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Add New gRPC Options and Add Reconnect Logic for connection Pool #2684

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kpango
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@kpango kpango commented Oct 8, 2024

Description

Related Issue

Versions

  • Vald Version: v1.7.13
  • Go Version: v1.23.2
  • Rust Version: v1.81.0
  • Docker Version: v27.3.1
  • Kubernetes Version: v1.31.1
  • Helm Version: v3.16.1
  • NGT Version: v2.2.4
  • Faiss Version: v1.8.0

Checklist

Special notes for your reviewer

Summary by CodeRabbit

  • New Features

    • Enhanced gRPC server configuration with new parameters for improved performance and resource management, including enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers.
    • Added new configuration options for gRPC clients, allowing for more flexible control over connection behavior, such as content_subtype, authority, disable_retry, idle_timeout, max_call_attempts, and max_header_list_size.
    • Expanded capabilities of the ValdRelease resource with new fields in the Custom Resource Definition (CRD) for detailed gRPC settings and connection management.
  • Bug Fixes

    • Improved error handling and logging in gRPC client connection management.
  • Documentation

    • Updated comments and documentation to reflect new configuration options and functionalities.
  • Chores

    • Various formatting improvements across multiple Dockerfiles for consistency and adherence to best practices.

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coderabbitai bot commented Oct 8, 2024

📝 Walkthrough
📝 Walkthrough

Walkthrough

The pull request introduces a comprehensive restructuring of the repository, emphasizing the integration of Rust components and enhancements to gRPC configurations. Key changes include the addition of numerous Rust source files, updates to Kubernetes deployment configurations, and modifications to various Dockerfiles for improved build processes. Additionally, new parameters have been added to configuration files, enhancing the flexibility of gRPC server and client settings. Documentation has also been updated to reflect these changes, indicating a focus on improving usability and test coverage across the project.

Changes

File Path Change Summary
.gitfiles Large-scale update to repository structure, addition of Rust implementation files.
charts/vald-helm-operator/crds/valdrelease.yaml New properties added to ValdRelease CRD for gRPC configuration.
charts/vald/values.schema.json New properties added for gRPC server and client configurations.
charts/vald/values.yaml New parameters added to gRPC server and agent configurations.
dockers/... Various Dockerfiles updated for formatting, environment variables, and entry points.
k8s/... Updates to ConfigMaps and deployment configurations for various components, adding new parameters.

Possibly related PRs

Suggested labels

priority/low, size/XXXL, type/refactoring

Suggested reviewers

  • vankichi
  • kmrmt

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vdaas-ci commented Oct 8, 2024

[CHATOPS:HELP] ChatOps commands.

  • 🙆‍♀️ /approve - approve
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  • /gen-test - generate test codes
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  • 🔚 2️⃣ 🔚 /label actions/e2e-deploy - run E2E deploy & integration test

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vdaas-ci commented Oct 8, 2024

[WARNING:INTCFG] Changes in interal/config may require you to change Helm charts. Please check.

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codecov bot commented Oct 8, 2024

Codecov Report

Attention: Patch coverage is 18.37607% with 191 lines in your changes missing coverage. Please review.

Project coverage is 23.89%. Comparing base (83de9c8) to head (19f6416).

Files with missing lines Patch % Lines
internal/net/grpc/option.go 0.00% 123 Missing ⚠️
internal/net/grpc/pool/pool.go 0.00% 27 Missing ⚠️
internal/servers/server/option.go 20.83% 19 Missing ⚠️
internal/net/grpc/server.go 0.00% 8 Missing ⚠️
internal/config/server.go 68.75% 4 Missing and 1 partial ⚠️
internal/db/rdb/mysql/dbr/dbr.go 0.00% 5 Missing ⚠️
internal/net/grpc/client.go 0.00% 2 Missing ⚠️
internal/db/rdb/mysql/dbr/session.go 0.00% 1 Missing ⚠️
internal/db/rdb/mysql/dbr/tx.go 0.00% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2684      +/-   ##
==========================================
- Coverage   23.94%   23.89%   -0.06%     
==========================================
  Files         539      539              
  Lines       46937    47095     +158     
==========================================
+ Hits        11238    11252      +14     
- Misses      34923    35065     +142     
- Partials      776      778       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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Actionable comments posted: 14

🧹 Outside diff range and nitpick comments (14)
internal/net/grpc/health/health.go (1)

28-28: Update function comment to reflect new behavior.

The function signature change from func Register(name string, srv *grpc.Server) to func Register(srv *grpc.Server) is appropriate as it now handles multiple services. However, the function comment should be updated to reflect this new behavior.

Consider updating the function comment to:

// Register registers health check handlers for all services in the given gRPC server.
internal/net/grpc/health/health_test.go (1)

56-59: LGTM: Test function updates are appropriate.

The changes in the test function are consistent with the modifications made to the Register function:

  1. Removal of the name field from args initialization.
  2. Use of healthpb.Health_ServiceDesc.ServiceName for service name check.
  3. Updated Register function call with only the srv argument.

These changes improve maintainability and correctly reflect the new function signature.

Consider adding a comment explaining the purpose of the healthpb.Health_ServiceDesc.ServiceName check for better clarity:

 checkFunc: func(w want) error {
+	// Verify that the health check server has been registered with the correct service name
 	if _, ok := srv.GetServiceInfo()[healthpb.Health_ServiceDesc.ServiceName]; !ok {
 		return errors.New("health check server not registered")
 	}

Also applies to: 83-83

dockers/agent/core/agent/Dockerfile (1)

96-96: Minor formatting improvement

The addition of a newline after the ENTRYPOINT instruction is a small but welcome change. While it doesn't affect the functionality, it improves the readability of the Dockerfile and adheres to common formatting practices. This kind of attention to detail contributes to better maintainability of the codebase.

dockers/discoverer/k8s/Dockerfile (1)

87-87: LGTM! Consider using ARG for flexibility.

The addition of the sample configuration file is a good practice. It provides a default configuration for the discoverer service, which aligns with the PR's objective of enhancing gRPC options.

Consider using ARG to make the source and destination paths configurable:

+ARG CONFIG_SRC=cmd/discoverer/k8s/sample.yaml
+ARG CONFIG_DEST=/etc/server/config.yaml
-COPY cmd/discoverer/k8s/sample.yaml /etc/server/config.yaml
+COPY ${CONFIG_SRC} ${CONFIG_DEST}

This change would allow for easier customization during build time if needed.

dockers/index/job/save/Dockerfile (1)

87-87: LGTM! Consider renaming the source file.

The addition of a default configuration file to the container is a good practice. It ensures that the application has a working configuration out of the box.

Consider renaming the source file from sample.yaml to default_config.yaml or config.yaml to better reflect its purpose as the default configuration for the container. This would make it clearer that this is not just a sample, but the actual configuration being used.

dockers/agent/core/faiss/Dockerfile (1)

Line range hint 46-86: LGTM: Efficient build process with room for minor improvement

The updated RUN command with multiple --mount options for caching and temporary file systems is an excellent improvement that can significantly enhance build efficiency. The streamlined package installation focuses on essential build tools and libraries, which helps reduce the image size and potential vulnerabilities.

Consider grouping related packages in the apt-get install command for better readability. For example:

- build-essential \
- ca-certificates \
- curl \
- tzdata \
- locales \
- git \
- cmake \
- g++ \
- gcc \
- libssl-dev \
- unzip \
- liblapack-dev \
- libomp-dev \
- libopenblas-dev \
- gfortran \
+ build-essential ca-certificates curl tzdata locales \
+ git cmake g++ gcc libssl-dev unzip \
+ liblapack-dev libomp-dev libopenblas-dev gfortran \

This grouping can make it easier to understand the purpose of each package at a glance.

internal/net/grpc/server.go (3)

127-131: Well-implemented SharedWriteBuffer function with room for comment improvement

The SharedWriteBuffer function is correctly implemented. The comment explains its purpose well, but could be slightly improved for clarity.

Consider rephrasing the comment to:

// SharedWriteBuffer returns a ServerOption that allows reusing the per-connection transport write buffer.
// If set to true, each connection will release the buffer after flushing data to the wire.

This minor change makes the comment more consistent with the function's signature and improves readability.


133-137: Well-implemented WaitForHandlers function with room for comment improvement

The WaitForHandlers function is correctly implemented. The comment explains its purpose and default behavior well, but could be slightly improved for clarity and consistency.

Consider rephrasing the comment to:

// WaitForHandlers returns a ServerOption that configures the server's Stop method to wait for all outstanding
// method handlers to exit before returning. If set to false (default), Stop will return as soon as all connections
// have closed, potentially leaving method handlers still running.

This change makes the comment more consistent with the function's signature and improves readability.


139-178: Excellent API reference documentation

The added API reference comment block is a valuable addition to the package. It provides a comprehensive overview of the implemented, unnecessary, experimental, and deprecated APIs, which will greatly assist developers in understanding and maintaining the package.

Consider adding a brief explanation at the beginning of the comment block to provide context for why this information is included and how it relates to the package. For example:

/*
API References https://pkg.go.dev/google.golang.org/grpc#ServerOption

This section provides an overview of the gRPC ServerOption APIs and their implementation status in this package.
It helps maintainers and users understand the coverage and future development areas of the package.

1. Already Implemented APIs
...
internal/servers/server/server.go (1)

247-247: LGTM: Health check service registration added.

The health check service registration is correctly placed within the gRPC server initialization. This addition enhances the server's functionality by enabling health checks, which are essential for monitoring the server's status.

Consider adding a comment explaining the purpose of this health check registration for better code documentation:

+       // Register health check service for gRPC server monitoring
        health.Register(srv.grpc.srv)
internal/config/server.go (1)

96-113: Consider Adding Unit Tests for New GRPC Configuration Fields

The addition of new fields to the GRPC struct enhances the configurability of the gRPC server. Please ensure that unit tests are added or updated to cover these new fields. This will help maintain code reliability and prevent potential regressions related to configuration parsing and application.

internal/net/grpc/option.go (1)

522-524: Simplify condition when initializing option slices

In multiple functions, the condition if g.dopts == nil && cap(g.dopts) == 0 can be simplified to if g.dopts == nil. When g.dopts is nil, its capacity is already zero. Simplifying this condition enhances code readability without altering functionality.

Apply this diff to the affected lines:

-            if g.dopts == nil && cap(g.dopts) == 0 {
+            if g.dopts == nil {

Also applies to: 536-537, 560-561, 585-586, 598-599, 611-612

internal/net/grpc/pool/pool.go (1)

Line range hint 601-642: Refactor getHealthyConn to avoid recursion and prevent potential stack overflow.

The getHealthyConn method uses recursion, which can lead to a stack overflow if retry is large. Refactoring to an iterative approach improves performance and prevents this issue.

Apply this diff to refactor the method:

 func (p *pool) getHealthyConn(
     ctx context.Context, cnt, retry uint64,
 ) (idx int, conn *ClientConn, ok bool) {
     if p == nil || p.closing.Load() {
         return 0, nil, false
     }
-    select {
-    case <-ctx.Done():
-        return 0, nil, false
-    default:
-    }
-    pl := p.Len()
-    if retry <= 0 || retry > math.MaxUint64-pl || pl <= 0 {
-        if p.isIP {
-            log.Warnf("failed to find gRPC IP connection pool for %s.\tlen(pool): %d,\tretried: %d,\tseems IP %s is unhealthy will going to disconnect...", p.addr, pl, cnt, p.addr)
-            if err := p.Disconnect(); err != nil {
-                log.Debugf("failed to disconnect gRPC IP direct connection for %s,\terr: %v", p.addr, err)
-            }
-            return 0, nil, false
-        }
-        if pl > 0 {
-            idx = int(p.current.Add(1) % pl)
-        }
-        if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
-            return idx, pc.conn, true
-        }
-        conn, err := p.dial(ctx, p.addr)
-        if err == nil && conn != nil && isHealthy(ctx, conn) {
-            p.store(idx, &poolConn{
-                conn: conn,
-                addr: p.addr,
-            })
-            return idx, conn, true
-        }
-        log.Warnf("failed to find gRPC connection pool for %s.\tlen(pool): %d,\tretried: %d,\terror: %v", p.addr, pl, cnt, err)
-        return idx, nil, false
-    }
-
-    if pl > 0 {
-        idx = int(p.current.Add(1) % pl)
-        if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
-            return idx, pc.conn, true
-        }
-    }
-    retry--
-    cnt++
-    return p.getHealthyConn(ctx, cnt, retry)
+    for cnt < retry {
+        select {
+        case <-ctx.Done():
+            return 0, nil, false
+        default:
+        }
+        pl := p.Len()
+        if pl <= 0 {
+            return 0, nil, false
+        }
+        idx = int(p.current.Add(1) % pl)
+        if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
+            return idx, pc.conn, true
+        }
+        cnt++
+    }
+    log.Warnf("failed to find a healthy gRPC connection after %d retries", cnt)
+    return 0, nil, false
 }
internal/net/grpc/client.go (1)

149-151: Simplify the condition by removing redundant nil check

In Go, a nil slice has a length of zero. Therefore, checking len(g.copts) != 0 is sufficient to determine if g.copts is non-empty. The g.copts != nil check is unnecessary and can be removed to simplify the code.

Apply this diff to simplify the condition:

-if g.copts != nil && len(g.copts) != 0 {
+if len(g.copts) != 0 {
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 83de9c8 and 466b08c.

📒 Files selected for processing (36)
  • charts/vald/values.yaml (4 hunks)
  • dockers/agent/core/agent/Dockerfile (2 hunks)
  • dockers/agent/core/faiss/Dockerfile (1 hunks)
  • dockers/agent/core/ngt/Dockerfile (1 hunks)
  • dockers/agent/sidecar/Dockerfile (1 hunks)
  • dockers/binfmt/Dockerfile (1 hunks)
  • dockers/buildbase/Dockerfile (1 hunks)
  • dockers/buildkit/Dockerfile (1 hunks)
  • dockers/buildkit/syft/scanner/Dockerfile (1 hunks)
  • dockers/ci/base/Dockerfile (1 hunks)
  • dockers/dev/Dockerfile (2 hunks)
  • dockers/discoverer/k8s/Dockerfile (1 hunks)
  • dockers/gateway/filter/Dockerfile (1 hunks)
  • dockers/gateway/lb/Dockerfile (1 hunks)
  • dockers/gateway/mirror/Dockerfile (1 hunks)
  • dockers/index/job/correction/Dockerfile (1 hunks)
  • dockers/index/job/creation/Dockerfile (1 hunks)
  • dockers/index/job/readreplica/rotate/Dockerfile (1 hunks)
  • dockers/index/job/save/Dockerfile (1 hunks)
  • dockers/index/operator/Dockerfile (1 hunks)
  • dockers/manager/index/Dockerfile (1 hunks)
  • dockers/operator/helm/Dockerfile (1 hunks)
  • dockers/tools/benchmark/job/Dockerfile (1 hunks)
  • dockers/tools/benchmark/operator/Dockerfile (1 hunks)
  • dockers/tools/cli/loadtest/Dockerfile (1 hunks)
  • internal/config/grpc.go (3 hunks)
  • internal/config/server.go (4 hunks)
  • internal/net/grpc/channelz/channelz.go (1 hunks)
  • internal/net/grpc/client.go (1 hunks)
  • internal/net/grpc/health/health.go (1 hunks)
  • internal/net/grpc/health/health_test.go (4 hunks)
  • internal/net/grpc/option.go (7 hunks)
  • internal/net/grpc/pool/pool.go (2 hunks)
  • internal/net/grpc/server.go (1 hunks)
  • internal/servers/server/option.go (1 hunks)
  • internal/servers/server/server.go (2 hunks)
✅ Files skipped from review due to trivial changes (18)
  • dockers/agent/core/ngt/Dockerfile
  • dockers/agent/sidecar/Dockerfile
  • dockers/binfmt/Dockerfile
  • dockers/buildbase/Dockerfile
  • dockers/buildkit/Dockerfile
  • dockers/buildkit/syft/scanner/Dockerfile
  • dockers/ci/base/Dockerfile
  • dockers/gateway/lb/Dockerfile
  • dockers/gateway/mirror/Dockerfile
  • dockers/index/job/correction/Dockerfile
  • dockers/index/job/creation/Dockerfile
  • dockers/index/job/readreplica/rotate/Dockerfile
  • dockers/manager/index/Dockerfile
  • dockers/operator/helm/Dockerfile
  • dockers/tools/benchmark/job/Dockerfile
  • dockers/tools/benchmark/operator/Dockerfile
  • dockers/tools/cli/loadtest/Dockerfile
  • internal/net/grpc/channelz/channelz.go
🧰 Additional context used
🔇 Additional comments (37)
internal/net/grpc/health/health.go (2)

21-24: LGTM: Import changes are appropriate.

The new imports are correctly added to support the updated implementation:

  • "github.com/vdaas/vald/internal/log" is used for debug logging.
  • healthpb "google.golang.org/grpc/health/grpc_health_v1" provides a clear alias for the health check types.

29-35: LGTM: Improved health check implementation.

The new implementation is more comprehensive and flexible:

  1. It creates a health server and registers it with the provided gRPC server.
  2. It sets the health status for all registered services to SERVING.
  3. Debug logging is added for each registered service, which aids in troubleshooting.
  4. A default health check status is set for an empty string, following best practices.

These changes provide better visibility into the health of all services and improve the overall robustness of the health check system.

Let's verify the existence of the GetServiceInfo() method:

internal/net/grpc/health/health_test.go (2)

26-26: LGTM: Import addition is appropriate.

The addition of the healthpb import is necessary and aligns with the changes made in the test function.


36-37: LGTM: Struct simplification is appropriate.

The removal of the name field from the args struct is consistent with the changes made to the Register function. This simplification improves the test structure.

dockers/agent/core/agent/Dockerfile (2)

43-43: LGTM: Addition of CARGO_HOME environment variable

The addition of the CARGO_HOME environment variable is a good practice. It ensures that the Rust package manager (Cargo) has a properly defined home directory, which is consistent with the other Rust-related environment variables (RUST_HOME, RUSTUP_HOME) already present in the Dockerfile. This change will help maintain a well-organized Rust development environment within the container.


Line range hint 1-96: Excellent Dockerfile structure and best practices

I'd like to commend the overall structure and best practices implemented in this Dockerfile:

  1. Multi-stage build process for optimizing the final image size.
  2. Use of a distroless base image in the final stage, enhancing security.
  3. Proper use of build arguments and environment variables for flexibility.
  4. Implementation of apt caching mechanisms for improved build performance.
  5. Thorough cleanup of apt cache to minimize image size.
  6. Setting a non-root user in the final stage as a security best practice.

These practices contribute to a more efficient, secure, and maintainable Docker image. Great job!

dockers/gateway/filter/Dockerfile (2)

Line range hint 88-89: LGTM: Improved file formatting.

The addition of a newline at the end of the file follows best practices for text file formatting. This change improves readability and compatibility with various text processing tools.


Line range hint 1-89: Overall Dockerfile structure is good, with room for minor improvements.

The Dockerfile follows several best practices:

  1. Uses multi-stage builds to create a smaller final image.
  2. Employs a minimal distroless base image for the final stage, enhancing security and reducing image size.
  3. Properly sets up the build environment with necessary dependencies.

Consider the following suggestions for further improvement:

  1. Add comments explaining the purpose of each stage and significant steps.
  2. Consider using build arguments for versions (e.g., GO_VERSION) to make the Dockerfile more flexible.
  3. Evaluate if all the installed packages in the builder stage are necessary; remove any that aren't required.

Here's an example of how you might implement some of these suggestions:

 # syntax = docker/dockerfile:latest
+
+# Build stage
 # skipcq: DOK-DL3026,DOK-DL3007
 FROM ghcr.io/vdaas/vald/vald-buildbase:nightly AS builder
 LABEL maintainer="vdaas.org vald team <vald@vdaas.org>"
 # skipcq: DOK-DL3002
 USER root:root
-ARG TARGETARCH
-ARG TARGETOS
-ARG GO_VERSION
-ARG RUST_VERSION
+ARG TARGETARCH
+ARG TARGETOS
+ARG GO_VERSION=1.20
+ARG RUST_VERSION=1.68.0
 ENV APP_NAME=filter
 ENV DEBIAN_FRONTEND=noninteractive
 ENV GO111MODULE=on
@@ -82,6 +84,8 @@ RUN --mount=type=bind,target=.,rw \
     && mv "cmd/${PKG}/${APP_NAME}" "/usr/bin/${APP_NAME}"
+
+# Final stage
 # skipcq: DOK-DL3026,DOK-DL3007
 FROM gcr.io/distroless/static:nonroot
 LABEL maintainer="vdaas.org vald team <vald@vdaas.org>"

To ensure these suggestions are applicable, please run the following commands:

#!/bin/bash
# Check for unused packages in the builder stage
grep -oP '(?<=apt-get install -y --no-install-recommends --fix-missing).*' dockers/gateway/filter/Dockerfile | tr ' ' '\n' | sort > installed_packages.txt
grep -r -h -o -P '(?<=import \().*?(?=\))' cmd/gateway/filter | tr ' ' '\n' | sort | uniq > imported_packages.txt
comm -23 installed_packages.txt imported_packages.txt

# Check for hardcoded versions that could be replaced with build args
grep -P '(GO_VERSION|RUST_VERSION)=' dockers/gateway/filter/Dockerfile
dockers/discoverer/k8s/Dockerfile (2)

88-88: LGTM! Minor formatting improvement.

The addition of a newline at the end of the file is a good practice and improves the file's formatting. This change, while minor, contributes to better readability and adheres to common coding standards.


Line range hint 1-88: Overall, the changes look good and align with the PR objectives.

The modifications to this Dockerfile, particularly the addition of the sample configuration file, support the PR's goal of enhancing gRPC options. The minor formatting improvement also contributes to better code quality. These changes are appropriate and don't introduce any apparent issues.

dockers/index/job/save/Dockerfile (2)

88-88: LGTM! Improved formatting.

The ENTRYPOINT instruction has been moved to a new line, improving readability and adhering to common Dockerfile formatting practices. This change also ensures that the file ends with a newline, which is a good practice in text files.


87-88: Summary: Positive changes enhancing container configuration and readability

The changes made to this Dockerfile are beneficial:

  1. Addition of a default configuration file improves the out-of-the-box experience for users.
  2. Improved formatting of the ENTRYPOINT instruction enhances readability.

These modifications align with Docker best practices and should make the container more user-friendly and maintainable.

dockers/agent/core/faiss/Dockerfile (4)

Line range hint 18-43: LGTM: Improved build stage setup

The changes to the build stage setup, including the addition of ARG instructions for build options and ENV instructions for environment setup, enhance the flexibility and clarity of the build process. These modifications align with best practices for Dockerfile construction.


Line range hint 87-90: LGTM: Consistent build process using make commands

The use of make commands for Go installation, download, and building the faiss binary provides a consistent and maintainable approach to managing the build process. The commands effectively utilize the environment variables set earlier, ensuring flexibility across different architectures and operating systems.


Line range hint 92-97: LGTM: Improved security and configuration in the final image

The changes to the final image stage significantly enhance security and configuration management:

  1. Using the distroless base image (gcr.io/distroless/static:nonroot) reduces the attack surface.
  2. Copying the sample.yaml configuration file ensures a default configuration is always available.
  3. Running as a non-root user (nonroot:nonroot) follows security best practices.

These modifications align well with Docker security best practices and improve the overall robustness of the image.


Line range hint 98-99: LGTM: Correct ENTRYPOINT and file formatting

The modification of the ENTRYPOINT to ["/usr/bin/faiss"] ensures that the faiss binary is executed correctly when the container starts. Additionally, adding a newline at the end of the file follows best practices for text file formatting.

dockers/dev/Dockerfile (2)

48-48: LGTM: Proper configuration of CARGO_HOME

The addition of ENV CARGO_HOME=${RUST_HOME}/cargo is a good practice. It explicitly sets the location for Cargo's files, which is important for Rust development. This change ensures consistency with the existing Rust setup and follows recommended Rust environment configurations.


Line range hint 1-148: Overall assessment: Minor improvement to Rust environment setup

The changes in this Dockerfile are minimal but beneficial. The primary modification is the addition of the CARGO_HOME environment variable, which enhances the Rust development setup. This change is well-integrated with the existing extensive development environment configuration, which includes setups for Go, Rust, and various development and Kubernetes-related tools.

The overall structure of the Dockerfile remains intact, maintaining its comprehensive nature for the Vald project's development needs. The change does not introduce any apparent issues and aligns well with the existing configuration.

internal/net/grpc/server.go (3)

116-119: LGTM: MaxConcurrentStreams implementation

The MaxConcurrentStreams function is well-implemented. It correctly wraps the gRPC function and provides a clear way to set the maximum concurrent streams for the server.


121-125: Excellent implementation and documentation for NumStreamWorkers

The NumStreamWorkers function is well-implemented and includes a very helpful comment explaining its purpose and default behavior. This addition enhances the package's usability and maintainability.


115-178: Overall excellent additions to the grpc package

The new functions (MaxConcurrentStreams, NumStreamWorkers, SharedWriteBuffer, and WaitForHandlers) are well-implemented and provide valuable configuration options for gRPC servers. The added API reference comment block significantly enhances the package's documentation, making it easier for developers to understand and use the available options.

These changes improve the package's functionality, usability, and maintainability. The minor suggestions for comment improvements are the only areas for potential enhancement, but they do not detract from the overall quality of the implementation.

Great work on these additions!

internal/servers/server/server.go (2)

37-37: LGTM: New import for health package.

The new import for the health package is correctly placed and necessary for the health check registration added later in the file.


37-37: Overall impact: Positive addition of health check functionality.

The changes to add health check functionality for the gRPC server are well-integrated and don't disrupt the existing code. This is a valuable addition for monitoring server status.

To ensure completeness, please verify the following:

  1. Update any relevant documentation to mention the new health check feature.
  2. Add or update tests to cover the health check functionality.
  3. Confirm that the health check works as expected in different server states.

You can use the following script to check for existing tests and documentation:

Also applies to: 247-247

✅ Verification successful

Verification Successful: Health check functionality is well-supported.

The added health check functionality has existing tests and is documented appropriately. No further actions are required.

🏁 Scripts executed

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# Check for existing tests and documentation related to health checks

echo "Searching for existing health check tests:"
rg -i "health.*test" --type go

echo "\nSearching for health check documentation:"
rg -i "health.*check" --type md

Length of output: 5597

charts/vald/values.yaml (5)

241-265: New gRPC server configurations enhance performance and monitoring capabilities

Several new configurations have been added to the gRPC server settings:

  1. max_concurrent_streams: Controls the maximum number of concurrent streams per gRPC connection.
  2. num_stream_workers: Sets the number of workers handling gRPC streams.
  3. shared_write_buffer: Enables sharing of the write buffer among gRPC connections.
  4. wait_for_handlers: Determines whether to wait for handlers to finish during server shutdown.
  5. enable_channelz: Activates the gRPC channelz service for monitoring and debugging.

These additions provide more granular control over server performance, resource utilization, and observability. They allow for better tuning of concurrent operations, more efficient memory usage, and improved debugging capabilities.


756-758: New gRPC client call option for content subtype

A new configuration content_subtype has been added to the gRPC client call options. This allows specifying the content subtype for gRPC calls.

Potential use cases for this option include:

  1. Custom content encoding for gRPC messages
  2. Versioning of message formats
  3. Specifying alternative serialization formats

This addition provides more flexibility in how gRPC messages are encoded and interpreted, which can be beneficial for evolving APIs or optimizing for specific use cases.


776-781: New gRPC client dial options for improved control and reliability

Two new configurations have been added to the gRPC client dial options:

  1. max_header_list_size: Sets the maximum size of the header list that the client is prepared to accept.
  2. max_call_attempts: Specifies the maximum number of attempts for a call.

These additions provide the following benefits:

  • max_header_list_size helps prevent issues related to excessively large headers, which can cause performance problems or connection failures.
  • max_call_attempts allows for fine-tuning of the retry behavior, improving reliability in unstable network conditions while preventing excessive retries.

These options enhance the robustness and configurability of the gRPC client connections.


800-802: New option to disable gRPC client retries

A new configuration disable_retry has been added to the gRPC client dial options. This boolean flag allows for completely disabling the retry mechanism in the gRPC client.

Implications of this option:

  1. When set to true, it prevents the client from automatically retrying failed calls.
  2. This can be useful in scenarios where retries are handled at a higher application level.
  3. It may be preferred in cases where immediate failure reporting is more important than resilience.

While this option provides more control over the retry behavior, use it cautiously as it can affect the overall reliability of the system if not managed properly at the application level.


806-817: Enhanced gRPC client connection controls

Several new configurations have been added to the gRPC client dial options to provide finer control over connection behavior:

  1. shared_write_buffer: Enables sharing of the write buffer among gRPC connections, potentially improving memory efficiency.
  2. authority: Allows specifying the value to be used as the :authority pseudo-header, which can be useful for certain routing or authentication scenarios.
  3. idle_timeout: Sets the duration after which an idle connection will be closed, helping to manage long-lived connections more effectively.
  4. user_agent: Specifies a custom user agent string for the gRPC client, useful for identification and tracking in multi-client environments.

These additions provide more granular control over gRPC client connections, allowing for better resource management, improved routing capabilities, and easier client identification and tracking.

dockers/index/operator/Dockerfile (1)

88-88: Confirm the application runs correctly with the nonroot user

Switching to gcr.io/distroless/static:nonroot and setting the user to nonroot enhances security by running the application without root privileges. Ensure that the index-operator binary has the appropriate permissions and does not require root access to function correctly. Verify that all necessary files and directories are accessible to the nonroot user at runtime.

internal/config/grpc.go (4)

42-46: Well-structured addition of fields in CallOption

The added fields WaitForReady, MaxRetryRPCBufferSize, MaxRecvMsgSize, MaxSendMsgSize, and ContentSubtype enhance the configurability of gRPC call options. They are correctly implemented with appropriate types and JSON/YAML tags.


51-73: Comprehensive expansion of DialOption fields

The new fields added to the DialOption struct significantly improve the flexibility of gRPC dial configurations. The fields are well-typed, and the JSON/YAML tags are consistent, allowing for finer control over client behavior.


163-165: Proper binding of new fields in DialOption.Bind()

The binding of Authority, UserAgent, and IdleTimeout using GetActualValue ensures that the actual values are properly retrieved for these new fields.


230-234: Accurate mapping of CallOption fields in Opts()

The CallOption fields are correctly mapped to their respective gRPC options in the Opts() method, ensuring that settings like ContentSubtype, MaxRecvMsgSize, MaxRetryRPCBufferSize, MaxSendMsgSize, and WaitForReady are effectively applied.

internal/servers/server/option.go (2)

629-636: Confirm proper usage of WithGRPCMaxConcurrentStreams

The new function WithGRPCMaxConcurrentStreams(size uint32) has been added. Verify that it is correctly used throughout the codebase and that the size parameter aligns with the intended gRPC configurations.

You can check its usage with:

✅ Verification successful

Proper usage of WithGRPCMaxConcurrentStreams confirmed

WithGRPCMaxConcurrentStreams is correctly utilized in internal/config/server.go:305 with the size parameter defined in the configuration structure. The assignment in internal/servers/server/option.go:338 properly applies the size to the gRPC server options, aligning with the project's intended gRPC configurations.

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# Description: Search for usages of WithGRPCMaxConcurrentStreams.

rg --type go --no-heading --line-number 'WithGRPCMaxConcurrentStreams\('

Length of output: 268


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#!/bin/bash
# Description: Search for assignments to MaxConcurrentStreams in Go files.

rg --type go --no-heading --line-number 'MaxConcurrentStreams\s*='

Length of output: 150


Script:

#!/bin/bash
# Description: Find the definition of MaxConcurrentStreams in Go files.

rg --type go 'MaxConcurrentStreams\s+' --context 2

Length of output: 2211


611-614: Verify that all callers handle uint32 for size parameters

The parameter types for WithGRPCMaxHeaderListSize and WithGRPCHeaderTableSize have changed from int to uint32. Ensure that all calls to these functions pass uint32 values to prevent type mismatches or compilation errors.

You can run the following script to locate all usages and verify the argument types:

internal/config/server.go (1)

24-24: Appropriate Import of channelz Package

The import of the channelz package is necessary for enabling Channelz features in gRPC and is correctly added.

internal/net/grpc/option.go (1)

279-283: ⚠️ Potential issue

Update size validation in WithMaxSendMsgSize

Similar to WithMaxRecvMsgSize, the condition if size > 1 may exclude valid message sizes. The MaxCallSendMsgSize should accept any non-negative integer. Change the condition to if size >= 0 to include all valid sizes.

Apply this diff to correct the condition:

 func WithMaxSendMsgSize(size int) Option {
     return func(g *gRPCClient) {
-        if size > 1 {
+        if size >= 0 {
             if g.copts == nil {
                 g.copts = make([]grpc.CallOption, 0, defaultCallOptionLength)
             }
             g.copts = append(g.copts, grpc.MaxCallSendMsgSize(size))
         }
     }
 }

Likely invalid or redundant comment.

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@kpango kpango force-pushed the feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received branch from 466b08c to 08df3ef Compare October 8, 2024 20:35
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Actionable comments posted: 12

🧹 Outside diff range and nitpick comments (41)
charts/vald/values.schema.json (8)

1419-1422: Approved: New gRPC server channelz option added

The addition of the enable_channelz property for the gRPC server configuration is a valuable improvement. This option allows users to enable or disable the gRPC channelz feature, which is useful for debugging and performance analysis.

Consider expanding the description slightly to provide more context:

- "description": "gRPC server channelz option"
+ "description": "Enable gRPC server channelz option for debugging and performance analysis"

1485-1488: Approved: New gRPC server max concurrent streams option added

The addition of the max_concurrent_streams property for the gRPC server configuration is a valuable performance tuning option. This allows users to control the maximum number of concurrent streams the server can handle.

Consider expanding the description to provide more context and guidance:

- "description": "gRPC server max concurrent stream size"
+ "description": "Maximum number of concurrent streams per gRPC server connection (0 for unlimited)"

1501-1516: Approved: New gRPC server configuration options added

The addition of num_stream_workers, shared_write_buffer, and wait_for_handlers properties for the gRPC server configuration provides valuable tuning options. These allow users to fine-tune the server's performance and behavior.

Consider expanding the descriptions to provide more context and guidance:

- "description": "gRPC server number of stream workers"
+ "description": "Number of stream workers for handling gRPC server requests (0 for default)"

- "description": "gRPC server write buffer sharing option"
+ "description": "Enable write buffer sharing for gRPC server to potentially improve performance"

- "description": "gRPC server wait for handlers when stop"
+ "description": "Wait for handlers to complete when stopping the gRPC server for graceful shutdown"

3681-3692: Approved: New gRPC client dial options added

The addition of disable_retry and idle_timeout properties for the gRPC client dial options provides valuable configuration capabilities. These allow users to fine-tune the client's behavior regarding retries and connection management.

Consider expanding the descriptions to provide more context and guidance:

- "description": "gRPC client dial option disables retry"
+ "description": "Disable automatic retry of failed gRPC calls"

- "description": "gRPC client dial option idle_timeout"
+ "description": "Duration the client connection can be idle before it's closed (e.g., '10s', '1m')"

3730-3737: Approved: New gRPC client dial options for call attempts and header size added

The addition of max_call_attempts and max_header_list_size properties for the gRPC client dial options provides important configuration capabilities. These allow users to control retry behavior and limit header sizes, which can improve reliability and security.

Consider expanding the descriptions to provide more context and guidance:

- "description": "gRPC client dial option number of max call attempts"
+ "description": "Maximum number of attempts for a gRPC call, including the original attempt (0 for default)"

- "description": "gRPC client dial option max header list size"
+ "description": "Maximum size (in bytes) of the header list that the client is willing to accept (0 for default)"

3855-3866: Approved: New gRPC client dial options for write buffer and user agent added

The addition of shared_write_buffer and user_agent properties for the gRPC client dial options provides valuable configuration capabilities. These allow users to potentially improve performance and set custom identification for their client connections.

Consider expanding the descriptions to provide more context and guidance:

- "description": "gRPC client dial option sharing write buffer"
+ "description": "Enable write buffer sharing for gRPC client to potentially improve performance"

- "description": "gRPC client dial option user_agent"
+ "description": "Custom user agent string for the gRPC client (e.g., 'MyApp/1.0')"

Line range hint 3867-24776: Approved: Consistent application of new gRPC options across multiple components

The new gRPC server and client options have been consistently applied across multiple components in the schema. This includes:

  1. gRPC server options:

    • enable_channelz
    • max_concurrent_streams
    • num_stream_workers
    • shared_write_buffer
    • wait_for_handlers
  2. gRPC client options:

    • content_subtype
    • authority
    • disable_retry
    • idle_timeout
    • max_call_attempts
    • max_header_list_size
    • shared_write_buffer
    • user_agent

This consistent application ensures that all components can benefit from these new configuration options, providing a uniform way to fine-tune gRPC behavior across the system.

Consider applying the improved descriptions suggested in previous comments to all instances of these properties throughout the schema for consistency.


Line range hint 1-24776: Summary: Comprehensive enhancement of gRPC configuration options

This change significantly improves the configurability of gRPC servers and clients in the Vald project. The new options allow for fine-tuning of performance, security, and behavior across various components. Key improvements include:

  1. Enhanced server control (channelz, concurrent streams, stream workers)
  2. Improved client configuration (retry behavior, timeouts, call attempts)
  3. Performance tuning options (shared write buffers)
  4. Security enhancements (max header list size)

These changes provide users with greater flexibility in optimizing their Vald deployments for specific use cases and environments.

To fully leverage these new configuration options:

  1. Update the project documentation to explain each new option, its impact, and recommended usage.
  2. Consider creating configuration profiles or templates for common use cases (e.g., high-performance, high-security) to guide users in selecting appropriate options.
  3. Implement monitoring and logging for these new options to help users understand their impact in production environments.
internal/net/grpc/health/health.go (1)

29-35: Approve implementation, but consider dynamic service status.

The new implementation is comprehensive and well-structured:

  • It registers health checks for all services automatically.
  • Debug logging is added, which is helpful for troubleshooting.
  • Setting a default health check status is a good practice.

However, consider making the service status dynamic rather than always setting it to SERVING. This could involve:

  1. Implementing a mechanism to update service status based on their actual state.
  2. Providing an interface for services to report their status.

Here's a conceptual example of how this might look:

type HealthReporter interface {
    HealthStatus() healthpb.HealthCheckResponse_ServingStatus
}

func Register(srv *grpc.Server) {
    hsrv := health.NewServer()
    healthpb.RegisterHealthServer(srv, hsrv)
    for api, info := range srv.GetServiceInfo() {
        status := healthpb.HealthCheckResponse_SERVING
        if reporter, ok := info.Server.(HealthReporter); ok {
            status = reporter.HealthStatus()
        }
        hsrv.SetServingStatus(api, status)
        log.Debug("Registered health check for service: " + api + " with status: " + status.String())
    }
    hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
}

This approach would allow for more accurate health reporting based on the actual state of each service.

dockers/agent/core/faiss/Dockerfile (2)

Line range hint 19-38: LGTM! Consider removing unused build arg.

The addition of build arguments and environment variables improves the flexibility and consistency of the build process. This is a good practice for maintaining a robust Dockerfile.

Consider removing the RUST_VERSION build argument if it's not being used in this Dockerfile. If it's used in a part of the build process not visible here, please add a comment explaining its purpose.


Line range hint 39-83: LGTM! Consider improving readability.

The updated RUN command with mount options is an excellent improvement for build performance. The package installation is comprehensive and includes all necessary tools. Retaining the locale and timezone setup ensures consistent behavior.

To improve readability, consider grouping related packages and adding comments to explain the purpose of each group. For example:

RUN --mount=type=bind,target=.,rw \
    ... \
    && apt-get install -y --no-install-recommends --fix-missing \
    # Build essentials
    build-essential \
    ca-certificates \
    curl \
    # Locale and timezone
    tzdata \
    locales \
    # Version control
    git \
    # Compilation tools
    cmake \
    g++ \
    gcc \
    # Libraries
    libssl-dev \
    unzip \
    liblapack-dev \
    libomp-dev \
    libopenblas-dev \
    gfortran \
    && ...
internal/net/grpc/server.go (1)

139-178: Enhance readability of the API reference comment block

The API reference comment block provides valuable information about the status of various APIs. To improve its readability and maintainability, consider the following suggestions:

  1. Use consistent formatting for each API entry (e.g., always include parentheses for function signatures).

  2. Consider using Markdown-style formatting for better visual separation:

    /*
    API References https://pkg.go.dev/google.golang.org/grpc#ServerOption
    
    1. Already Implemented APIs
    - `ConnectionTimeout(d time.Duration) ServerOption`
    - `Creds(c credentials.TransportCredentials) ServerOption`
    ...
    
    2. Unnecessary for this package APIs
    - `ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOption`
    ...
    
    3. Experimental APIs
    - `ForceServerCodec(codec encoding.Codec) ServerOption`
    ...
    
    4. Deprecated APIs
    - `CustomCodec(codec Codec) ServerOption`
    ...
    */
  3. Consider adding brief explanations for why certain APIs are unnecessary or experimental.

These changes would make the comment block more consistent and easier to read and maintain.

k8s/agent/ngt/configmap.yaml (4)

45-45: LGTM: Channelz enabled for improved debugging.

The addition of enable_channelz: true is a good choice for enhancing observability. This will allow for better runtime debugging and performance analysis of the gRPC server.

Consider updating the project documentation to mention this new debugging capability and provide guidelines on how to use Channelz effectively in your environment.


66-66: LGTM: Shared write buffer disabled.

The addition of shared_write_buffer: false is acceptable. This configuration might lead to increased memory usage but could potentially improve performance by reducing contention.

Consider conducting performance tests with this setting enabled and disabled under various load scenarios to ensure it provides the desired performance benefits for your specific use case.


67-67: LGTM: Graceful shutdown enabled with wait_for_handlers.

The addition of wait_for_handlers: true is a good practice. This ensures that all ongoing operations complete before the server shuts down, preventing potential data loss or incomplete transactions.

Consider updating the project documentation to explain this graceful shutdown behavior and its implications on deployment and scaling operations.


Line range hint 45-67: Overall assessment of gRPC configuration changes.

The new gRPC configuration parameters enhance the server's observability and control over its behavior. However, some settings require further consideration:

  1. The unlimited max_concurrent_streams could pose a security risk.
  2. The behavior of num_stream_workers: 0 needs clarification.
  3. Performance testing is recommended for the shared_write_buffer setting.

These changes significantly alter the gRPC server's behavior and resource usage. Ensure that these configurations are thoroughly tested in a staging environment that closely mimics production load before deployment.

Consider creating a separate document or runbook that explains each of these gRPC settings, their implications, and guidelines for tuning them based on different deployment scenarios and load patterns. This will be invaluable for future maintenance and optimization efforts.

k8s/discoverer/configmap.yaml (4)

45-45: LGTM: Channelz enabled for improved debugging capabilities.

The addition of enable_channelz: true is a good choice for enhancing observability. This feature allows for runtime debugging of gRPC servers and channels.

Consider adding a comment explaining the purpose and potential performance implications of enabling Channelz.


66-66: LGTM: Disabled shared write buffer for potential performance improvement.

Setting shared_write_buffer: false means each stream will have its own write buffer. This can potentially improve performance by reducing contention between streams.

Monitor the impact of this setting on memory usage and performance. Consider documenting the rationale for this choice.


67-67: LGTM: Enabled waiting for handlers during shutdown.

Setting wait_for_handlers: true ensures a graceful shutdown by waiting for all handlers to complete before the server stops. This is generally a good practice for maintaining data integrity and completing in-flight requests.

Be aware that this may increase shutdown time. Consider adding a timeout mechanism if not already present to prevent indefinite waiting during shutdown.


Line range hint 45-67: Summary of gRPC server configuration changes

The new gRPC server options enhance the configurability and observability of the server. Here's a summary of the changes and recommendations:

  1. Channelz is enabled, which is good for debugging.
  2. The unlimited max_concurrent_streams setting needs justification.
  3. The num_stream_workers setting needs clarification on its default behavior.
  4. Disabling shared write buffer may improve performance but monitor its impact.
  5. Waiting for handlers during shutdown ensures graceful termination.

Next steps:

  1. Provide rationale for the unlimited max_concurrent_streams.
  2. Clarify the default behavior and optimal setting for num_stream_workers.
  3. Consider adding comments or documentation for these new options.
  4. Plan to monitor the performance impact of these changes in production.

Consider creating a separate document or updating existing documentation to explain these gRPC server settings, their implications, and the rationale behind chosen values. This will be valuable for future maintenance and onboarding.

k8s/gateway/gateway/mirror/configmap.yaml (1)

28-28: Summary of changes and documentation request

This PR introduces several new configurations for both the gRPC server and client in the Vald mirror gateway. While these additions potentially enhance the system's capabilities, they also introduce complexity that needs to be clearly understood and documented.

Please consider the following actions:

  1. Provide comprehensive documentation for each new configuration option, explaining its purpose, potential impact, and recommended values.
  2. Update the project's configuration guide to include these new options.
  3. Consider adding comments in the YAML file itself to explain the purpose of critical configurations.
  4. Ensure that these changes are reflected in any relevant diagrams or architecture documents.

Given the significance of these changes, it would be beneficial to update the project's architecture documentation to reflect how these new configurations affect the overall system behavior and performance characteristics.

k8s/index/job/save/configmap.yaml (3)

Line range hint 1-424: Overall assessment of ConfigMap changes

The changes to this ConfigMap file primarily focus on introducing new gRPC and client configurations across different sections (server_config, saver, and agent_client_options). Here's a summary of the key points:

  1. Consistency: Many configurations are consistent across different sections, which is good for maintaining coherent behavior throughout the system.

  2. New gRPC features: The addition of features like channelz and new stream configurations suggests an effort to improve debugging capabilities and fine-tune gRPC behavior.

  3. Client configurations: New options for retries, timeouts, and message sizes have been introduced, potentially impacting reliability and performance.

  4. Default values: Several new configurations are set to 0 or empty strings, which might use default values. This approach could benefit from explicit documentation.

To improve the maintainability and clarity of this configuration:

  1. Consider adding comments explaining the rationale behind key configuration choices, especially for those using default values (0 or empty strings).
  2. Document the expected impact of these changes on system behavior, performance, and resource usage.
  3. If possible, include references to any relevant benchmarks or tests that informed these configuration choices.

These additions would greatly help future maintainers understand the reasoning behind these configurations and make informed decisions when updating them.


Configuration Inconsistencies Detected in Client Settings

Multiple components have inconsistent values for the following client configuration options:

  • idle_timeout: Present but set to empty or varying defaults.
  • content_subtype: Set to 0 in some instances.
  • authority: Often an empty string.
  • disable_retry: Set to false, which may not align with default behaviors.
  • max_call_attempts & max_header_list_size: Set to 0, potentially disabling these features.
  • user_agent: Not consistently set across all configurations.

Implications:

  • Reliability: Inconsistent retry and timeout settings can lead to unpredictable system behavior.
  • Performance: Varying configurations may affect how components handle message sizes and connection management.
  • Monitoring: Inconsistent user_agent values can complicate client identification in logs and metrics.

Recommendations:

  • Standardize Configuration Values: Ensure all components have consistent settings for the aforementioned configuration options.
  • Clarify Intent: Determine the intended default behaviors and adjust configurations accordingly.
  • Documentation: Update documentation to reflect the standardized configuration settings.
🔗 Analysis chain

Line range hint 274-329: Review new client configurations in the saver section

Several new client configuration options have been added in the saver section:

  1. content_subtype: 0 (line 274): This might use a default value or indicate no specific subtype. Please clarify the intended behavior.

  2. authority: "" (line 280): An empty string might use a default value. Consider specifying an explicit authority if needed.

  3. disable_retry: false (line 285): This allows for retries, which can improve reliability but may impact performance. Ensure this aligns with your reliability and performance requirements.

  4. idle_timeout: 1h (line 287): This seems reasonable for long-running connections, but verify if it matches your expected connection lifecycle.

  5. max_call_attempts: 0 (line 296) and max_header_list_size: 0 (line 297): These are set to 0, which might use default values or disable these features. Please clarify the intended behavior.

  6. user_agent: Vald-gRPC (line 328): This is good for identifying the client in logs and metrics.

  7. shared_write_buffer: false (line 326): This is consistent with the server configuration, which is good for maintaining coherent behavior.

Could you provide more context on why these specific configurations were chosen? Are there any performance benchmarks or specific use cases driving these changes?

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Script:

#!/bin/bash
# Check if these configurations are consistent across other components
grep -R "content_subtype\|authority\|disable_retry\|idle_timeout\|max_call_attempts\|max_header_list_size\|user_agent\|shared_write_buffer" k8s/

Length of output: 17722


Script:

#!/bin/bash
# Corrected script to check if the specified configurations are consistent across other components
grep -R "content_subtype\|authority\|disable_retry\|idle_timeout\|max_call_attempts\|max_header_list_size\|user_agent\|shared_write_buffer" k8s/

Length of output: 63382


Inconsistent gRPC Configuration Values Found

The configurations for enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers in k8s/operator/helm/crds/valdrelease.yaml are left empty. This is inconsistent with other configmap.yaml files where these settings have explicit values. Additionally, no default values were found for these configurations in the documentation.

  • Files with empty configurations:
    • k8s/operator/helm/crds/valdrelease.yaml

This inconsistency may lead to unintended behavior or performance issues. Please verify whether these configurations should be explicitly set or if they are intended to rely on default values.

🔗 Analysis chain

Line range hint 45-67: Review new gRPC configurations and their potential impacts

Several new gRPC configuration options have been added:

  1. enable_channelz: true (line 45): This enables a debugging feature for detailed gRPC inspection. While useful for troubleshooting, it may impact performance in production environments.

  2. max_concurrent_streams: 0 (line 60) and num_stream_workers: 0 (line 64): These are set to 0, which might use default values or disable these features. Please clarify the intended behavior.

  3. shared_write_buffer: false (line 66): This might improve safety at the cost of some performance. Ensure this aligns with your performance requirements.

  4. wait_for_handlers: true (line 67): This ensures all handlers are ready before serving, potentially increasing startup time but improving reliability.

Could you provide more context on why these specific configurations were chosen? Are there any performance benchmarks or specific use cases driving these changes?

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check if these configurations are consistent across other components
grep -R "enable_channelz\|max_concurrent_streams\|num_stream_workers\|shared_write_buffer\|wait_for_handlers" k8s/

Length of output: 17722


Script:

#!/bin/bash
# Check if these configurations are consistent across other components
grep -R "enable_channelz\|max_concurrent_streams\|num_stream_workers\|shared_write_buffer\|wait_for_handlers" k8s/

Length of output: 53702


Script:

#!/bin/bash
# Check if there are default values defined for the configurations in question
# Search for documentation or defaults related to these configurations
grep -R "default.*enable_channelz" docs/ k8s/ || echo "No default found for enable_channelz."
grep -R "default.*max_concurrent_streams" docs/ k8s/ || echo "No default found for max_concurrent_streams."
grep -R "default.*num_stream_workers" docs/ k8s/ || echo "No default found for num_stream_workers."
grep -R "default.*shared_write_buffer" docs/ k8s/ || echo "No default found for shared_write_buffer."
grep -R "default.*wait_for_handlers" docs/ k8s/ || echo "No default found for wait_for_handlers."

# Additionally, list files with empty configurations for further manual review
grep -R "enable_channelz: *$" k8s/operator/helm/crds/
grep -R "max_concurrent_streams: *$" k8s/operator/helm/crds/
grep -R "num_stream_workers: *$" k8s/operator/helm/crds/
grep -R "shared_write_buffer: *$" k8s/operator/helm/crds/
grep -R "wait_for_handlers: *$" k8s/operator/helm/crds/

Length of output: 24356

k8s/gateway/gateway/lb/configmap.yaml (3)

45-45: LGTM: New gRPC server options enhance configurability

The addition of new gRPC server options (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) provides more granular control over the server's behavior and performance. These options align with best practices for configuring gRPC servers.

Consider updating the project documentation to explain these new options, their default values, and their impact on server performance and behavior.

Also applies to: 60-60, 64-67


274-278: LGTM: New call option content_subtype added

The addition of the content_subtype option in the call options provides more flexibility in specifying the content subtype for gRPC calls. This can be beneficial for custom serialization formats.

Consider adding a comment or updating the documentation to clarify the purpose and possible values for content_subtype. For example, explain what the default value of 0 represents and provide examples of when and how to use this option.


280-287: LGTM: New dial options enhance client connection control

The addition of new dial options (authority, disable_retry, idle_timeout, max_call_attempts, and max_header_list_size) provides more granular control over the gRPC client's connection behavior. These options align with gRPC best practices and offer fine-tuned management of client-server interactions.

Consider updating the project documentation to explain these new options, their default values, and their impact on client behavior. For example:

  • Clarify when and why one might want to use the authority option.
  • Explain the implications of disabling retries with disable_retry.
  • Provide guidance on setting appropriate values for idle_timeout, max_call_attempts, and max_header_list_size based on different use cases.

Also applies to: 296-297

k8s/index/job/correction/configmap.yaml (1)

Incomplete configuration parameters in agent_client_options

The agent_client_options section only includes content_subtype: 0, whereas the discoverer client includes additional parameters: authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, and user_agent. This inconsistency may lead to unexpected behaviors and maintenance challenges.

  • Consider adding the missing parameters to the agent_client_options section to align with other client configurations.
🔗 Analysis chain

Line range hint 449-453: Incomplete configuration changes in agent client options

In the discoverer.agent_client_options section, only the content_subtype: 0 parameter has been added. This is inconsistent with the more comprehensive changes made in the corrector gateway and discoverer client sections.

Consider adding the missing parameters (authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, user_agent) to maintain consistency across all client configurations. This will ensure uniform behavior and easier maintenance.

To check for any missing configurations:


It appears the previous script encountered errors. I'll generate a corrected script to verify the missing parameters in the agent_client_options section.


It appears the previous script encountered issues. I'll generate a corrected script to verify the missing parameters in the agent_client_options section.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Compare agent_client_options with discoverer client configurations
diff <(sed -n '/agent_client_options:/,/tls:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:') <(sed -n '/discoverer:/,/agent_client_options:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:')

Length of output: 623


Script:

#!/bin/bash
# Extract agent_client_options and discoverer client configurations
agent_options=$(sed -n '/agent_client_options:/,/tls:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:')
discoverer_options=$(sed -n '/discoverer:/,/agent_client_options:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:')
# Compare the two configurations
diff <(echo "$agent_options") <(echo "$discoverer_options")

Length of output: 1100


Script:

#!/bin/bash
# Extract agent_client_options parameters
sed -n '/agent_client_options:/,/tls:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:' > agent_options.txt

# Extract discoverer client configurations parameters
sed -n '/discoverer:/,/agent_client_options:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:' > discoverer_options.txt

# Compare the two configurations
diff agent_options.txt discoverer_options.txt

# Clean up temporary files
rm agent_options.txt discoverer_options.txt

Length of output: 715

internal/net/grpc/option.go (5)

519-618: Approve new Option functions with documentation suggestion

The addition of new Option functions (WithAuthority, WithDisableRetry, WithIdleTimeout, WithMaxCallAttempts, WithMaxHeaderListSize, WithSharedWriteBuffer, WithUserAgent) provides more granular control over gRPC client configuration. This is a good improvement in API design.

To further enhance usability:

  1. Consider adding godoc comments for each new function, explaining their purpose and any default values.
  2. Ensure that the behavior of these functions aligns exactly with their corresponding gRPC DialOptions.
  3. Update any relevant package-level documentation to mention these new configuration options.
🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 519-523: internal/net/grpc/option.go#L519-L523
Added lines #L519 - L523 were not covered by tests


[warning] 525-527: internal/net/grpc/option.go#L525-L527
Added lines #L525 - L527 were not covered by tests


258-261: Approve initialization changes with capacity review suggestion

The modifications to initialize g.dopts and g.copts before use improve the robustness of the code. Using constants (defaultDialOptionLength and defaultCallOptionLength) for initial capacities is a good practice.

Suggestions:

  1. Review the values of defaultDialOptionLength and defaultCallOptionLength to ensure they are appropriate for typical use cases.
  2. Consider adding a comment explaining the reasoning behind the chosen values.
  3. If these values are likely to change or be configuration-dependent, consider making them configurable rather than constants.

Also applies to: 268-271, 279-282, 375-377, 388-390, 401-403, 414-416, 427-429, 440-442, 473-475, 492-494, 509-511

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 258-259: internal/net/grpc/option.go#L258-L259
Added lines #L258 - L259 were not covered by tests


[warning] 261-261: internal/net/grpc/option.go#L261
Added line #L261 was not covered by tests


Line range hint 619-644: Improve extensibility of WithClientInterceptors

The WithClientInterceptors function correctly adds trace and metric interceptors based on the provided names. However, consider the following improvements for better extensibility and maintainability:

  1. Use a map to store interceptor factories instead of a switch statement. This would make it easier to add new interceptors in the future.
  2. Consider allowing custom interceptors to be added through this function.
  3. Add error handling for unknown interceptor names.

Here's a suggested refactor:

var interceptorFactories = map[string]func() (grpc.UnaryClientInterceptor, grpc.StreamClientInterceptor, error){
    "trace": func() (grpc.UnaryClientInterceptor, grpc.StreamClientInterceptor, error) {
        return trace.UnaryClientInterceptor(), trace.StreamClientInterceptor(), nil
    },
    "metric": metric.ClientMetricInterceptors,
}

func WithClientInterceptors(names ...string) Option {
    return func(g *gRPCClient) {
        if g.dopts == nil {
            g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength)
        }
        for _, name := range names {
            factory, ok := interceptorFactories[strings.ToLower(name)]
            if !ok {
                log.Warnf("Unknown interceptor: %s", name)
                continue
            }
            uci, sci, err := factory()
            if err != nil {
                log.Warnf("Failed to create interceptor %s: %v", name, err)
                continue
            }
            g.dopts = append(g.dopts,
                grpc.WithUnaryInterceptor(uci),
                grpc.WithStreamInterceptor(sci),
            )
        }
    }
}

This design is more flexible and easier to maintain as new interceptors are added.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 509-510: internal/net/grpc/option.go#L509-L510
Added lines #L509 - L510 were not covered by tests


[warning] 519-523: internal/net/grpc/option.go#L519-L523
Added lines #L519 - L523 were not covered by tests


[warning] 525-527: internal/net/grpc/option.go#L525-L527
Added lines #L525 - L527 were not covered by tests


217-358: Enhance function-level documentation

The extensive API reference comments provide valuable context. To further improve the documentation:

  1. Add godoc comments for each exported function, explaining its purpose, parameters, and any side effects.
  2. Include examples of usage for complex options.
  3. Consider moving the API reference comments to a separate documentation file or package-level comment to reduce clutter in the code.
  4. Update the comments to reflect any changes made in this PR, such as the removal of WithDialOptions and WithCallOptions.

Example of a function-level comment:

// WithMaxCallAttempts sets the maximum number of call attempts for a gRPC client.
// It accepts a value of 1 or greater. A value less than 1 will be ignored.
//
// Example usage:
//
//	client := grpc.NewClient(
//		grpc.WithMaxCallAttempts(3),
//	)
func WithMaxCallAttempts(n int) Option {
    // ... (existing implementation)
}
🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 246-246: internal/net/grpc/option.go#L246
Added line #L246 was not covered by tests


[warning] 248-251: internal/net/grpc/option.go#L248-L251
Added lines #L248 - L251 were not covered by tests


[warning] 256-256: internal/net/grpc/option.go#L256
Added line #L256 was not covered by tests


[warning] 258-259: internal/net/grpc/option.go#L258-L259
Added lines #L258 - L259 were not covered by tests


[warning] 261-261: internal/net/grpc/option.go#L261
Added line #L261 was not covered by tests


[warning] 268-269: internal/net/grpc/option.go#L268-L269
Added lines #L268 - L269 were not covered by tests


[warning] 271-271: internal/net/grpc/option.go#L271
Added line #L271 was not covered by tests


[warning] 279-280: internal/net/grpc/option.go#L279-L280
Added lines #L279 - L280 were not covered by tests


[warning] 282-282: internal/net/grpc/option.go#L282
Added line #L282 was not covered by tests


[warning] 287-291: internal/net/grpc/option.go#L287-L291
Added lines #L287 - L291 were not covered by tests


[warning] 293-293: internal/net/grpc/option.go#L293
Added line #L293 was not covered by tests


[warning] 298-301: internal/net/grpc/option.go#L298-L301
Added lines #L298 - L301 were not covered by tests


[warning] 303-303: internal/net/grpc/option.go#L303
Added line #L303 was not covered by tests


Line range hint 1-644: Consider reorganizing the file for improved maintainability

The file structure is generally logical, but as it has grown with new options, consider the following improvements:

  1. Group related options into separate files. For example:
    • option_call.go for CallOptions
    • option_dial.go for DialOptions
    • option_keepalive.go for keepalive-related options
  2. Create a separate option_types.go file for the Option type definition and any related constants.
  3. Move the API reference comments to a separate doc.go file in the package.
  4. Consider creating sub-packages for groups of related options if the number of options continues to grow.

This reorganization would improve code navigation and maintainability as the number of options increases.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 246-246: internal/net/grpc/option.go#L246
Added line #L246 was not covered by tests


[warning] 248-251: internal/net/grpc/option.go#L248-L251
Added lines #L248 - L251 were not covered by tests


[warning] 256-256: internal/net/grpc/option.go#L256
Added line #L256 was not covered by tests


[warning] 258-259: internal/net/grpc/option.go#L258-L259
Added lines #L258 - L259 were not covered by tests


[warning] 261-261: internal/net/grpc/option.go#L261
Added line #L261 was not covered by tests


[warning] 268-269: internal/net/grpc/option.go#L268-L269
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[warning] 271-271: internal/net/grpc/option.go#L271
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[warning] 279-280: internal/net/grpc/option.go#L279-L280
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[warning] 282-282: internal/net/grpc/option.go#L282
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[warning] 287-291: internal/net/grpc/option.go#L287-L291
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[warning] 293-293: internal/net/grpc/option.go#L293
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[warning] 298-301: internal/net/grpc/option.go#L298-L301
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[warning] 303-303: internal/net/grpc/option.go#L303
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[warning] 362-367: internal/net/grpc/option.go#L362-L367
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[warning] 375-376: internal/net/grpc/option.go#L375-L376
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internal/net/grpc/pool/pool.go (1)

Line range hint 601-646: Enhanced connection retrieval with improved error handling and retry mechanism.

The changes to the getHealthyConn method significantly improve its robustness and flexibility. The addition of the index return value, improved error handling, and differentiation between IP and non-IP connections are all positive changes.

Consider improving the retry mechanism to prevent potential excessive retries:

 func (p *pool) getHealthyConn(
 	ctx context.Context, cnt, retry uint64,
 ) (idx int, conn *ClientConn, ok bool) {
+	const maxRetries = 3 // Or any other appropriate value
 	if p == nil || p.closing.Load() {
 		return 0, nil, false
 	}
 	select {
 	case <-ctx.Done():
 		return 0, nil, false
 	default:
 	}
 	pl := p.Len()
-	if retry <= 0 || retry > math.MaxUint64-pl || pl <= 0 {
+	if retry <= 0 || retry > maxRetries || pl <= 0 {
 		// ... (existing code)
 	}
 	// ... (rest of the method)
 }

This change introduces a maximum retry limit, preventing potential infinite or excessive retries in scenarios where connections consistently fail.

internal/net/grpc/client.go (1)

149-151: LGTM! Consider adding test coverage for new functionality.

The addition of default call options to the dial options is a good improvement, allowing for more flexible configuration of the gRPC client. This change enhances the customizability of the client.

To ensure the reliability of this new feature, consider adding test coverage for these lines. This will help maintain the robustness of the codebase as it evolves.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 149-150: internal/net/grpc/client.go#L149-L150
Added lines #L149 - L150 were not covered by tests

charts/vald-helm-operator/crds/valdrelease.yaml (4)

938-939: New gRPC server configuration options added

Several new configuration options have been added to the gRPC server configuration:

  1. enable_channelz (boolean): This option enables the gRPC channelz service, which provides detailed runtime statistics and debugging information for gRPC channels.

  2. max_concurrent_streams (integer): This setting controls the maximum number of concurrent streams that can be open for each gRPC connection.

  3. num_stream_workers (integer): This determines the number of worker goroutines used for handling streams.

  4. shared_write_buffer (boolean): This option enables a shared write buffer for potentially improved performance.

  5. wait_for_handlers (boolean): This setting determines whether the server should wait for handlers to complete before shutting down.

These additions provide more fine-grained control over the gRPC server's behavior and performance. They allow for better tuning of concurrency, resource utilization, and shutdown behavior.

Consider documenting these new options in the project's documentation, including recommended values or guidelines for tuning these parameters based on different deployment scenarios or workload characteristics.

Also applies to: 974-975, 982-983, 986-989


1909-1910: Consistent application of new gRPC configuration options across components

The new gRPC server configuration options (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) have been consistently added to multiple components throughout the ValdRelease CRD. This includes, but is not limited to:

  • Agent
  • Gateway (filter, lb, mirror)
  • Manager (index, creator, saver)
  • Discoverer
  • Compressor
  • Meta

This consistent application ensures that all gRPC servers in the Vald system can be configured with the same level of granularity and control. It allows for uniform performance tuning and debugging capabilities across the entire system.

This systematic approach to enhancing gRPC configuration is commendable. To further improve the system:

  1. Consider creating a shared gRPC configuration template to reduce repetition in the CRD definition.
  2. Ensure that the documentation is updated to reflect these new configuration options for all components.
  3. Develop guidelines or best practices for configuring these options in different deployment scenarios or for different components.

Also applies to: 1945-1946, 1953-1954, 1957-1960, 2870-2871, 2906-2907, 2914-2915, 2918-2921, 3831-3832, 3867-3868, 3875-3876, 3879-3882, 5344-5345, 5380-5381, 5388-5389, 5392-5395, 6830-6831, 6866-6867, 6874-6875, 6878-6881, 8004-8005, 8040-8041, 8048-8049, 8052-8055, 9394-9395, 9430-9431, 9438-9439, 9442-9445, 10502-10503, 10538-10539, 10546-10547, 10550-10553, 11872-11873, 11908-11909, 11916-11917, 11920-11923, 13766-13767, 13802-13803, 13810-13811, 13814-13817, 14386-14387, 14422-14423, 14430-14431, 14434-14437


2227-2228: New gRPC client configuration options added

Two new configuration options have been added to various gRPC client configurations throughout the ValdRelease CRD:

  1. content_subtype (integer): This option allows specifying the content subtype for gRPC calls.
  2. authority (string): This option allows setting the authority for gRPC calls.

These additions have been consistently applied across multiple components, including but not limited to:

  • Discoverer
  • Gateway
  • Manager (index, creator, saver)
  • Agent

These new options provide more control over the gRPC client behavior, allowing for fine-tuning of content negotiation and authority specification in gRPC calls.

To make the most of these new configuration options:

  1. Update the project documentation to explain the purpose and potential use cases for these new client options.
  2. Consider providing examples or guidelines for when and how to use these options effectively.
  3. Ensure that the development team is aware of these new options and understands their implications on the system's behavior and performance.

Also applies to: 2232-2233, 4409-4410, 4414-4415, 5715-5716, 5720-5721, 6099-6100, 6104-6105, 7210-7211, 7215-7216, 8376-8377, 8381-8382, 9679-9680, 9684-9685, 10820-10821, 10825-10826, 12943-12944, 12948-12949


Line range hint 1-14437: Summary of ValdRelease CRD enhancements

This update to the ValdRelease Custom Resource Definition (CRD) introduces significant enhancements to the gRPC configuration options across the entire Vald system. The changes can be summarized as follows:

  1. New gRPC server configuration options:

    • enable_channelz
    • max_concurrent_streams
    • num_stream_workers
    • shared_write_buffer
    • wait_for_handlers
  2. New gRPC client configuration options:

    • content_subtype
    • authority

These additions have been consistently applied to all relevant components within the ValdRelease CRD, including agents, gateways, managers, discoverers, and more. This systematic approach ensures uniform configurability and control across the entire Vald system.

The new options provide more granular control over gRPC behavior, potentially allowing for better performance tuning, improved debugging capabilities, and more flexible client-server interactions.

To fully leverage these enhancements:

  1. Update all relevant documentation to reflect these new configuration options.
  2. Develop guidelines or best practices for configuring these options in different deployment scenarios.
  3. Consider creating performance benchmarks to demonstrate the impact of these new configuration options.
  4. Ensure that the development and operations teams are trained on these new options and their potential impact on system behavior and performance.
  5. Plan for any necessary updates to deployment scripts, Helm charts, or other configuration management tools to incorporate these new options.

These changes represent a significant enhancement to the Vald system's configurability and should provide users with more tools to optimize their deployments for specific use cases and environments.

internal/config/grpc.go (2)

46-46: Add documentation for ContentSubtype field

Consider adding a comment to the ContentSubtype field in the CallOption struct to explain its purpose and how it affects gRPC calls. This will improve code readability and maintainability.


51-73: Document new fields in DialOption struct

Several new fields have been added to the DialOption struct. Please add comments explaining each field's purpose and how it modifies the gRPC dialing behavior. This will aid developers in understanding and correctly configuring these options.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 83de9c8 and 08df3ef.

⛔ Files ignored due to path filters (21)
  • apis/grpc/v1/agent/core/agent.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/agent/sidecar/sidecar.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/discoverer/discoverer.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/filter/egress/egress_filter.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/filter/ingress/ingress_filter.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/meta/meta.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/mirror/mirror.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/payload/payload.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/rpc/errdetails/error_details.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/filter.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/flush.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/index.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/insert.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/object.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/remove.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/search.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/update.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/upsert.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • example/client/go.sum is excluded by !**/*.sum
  • go.sum is excluded by !**/*.sum
  • rust/Cargo.lock is excluded by !**/*.lock
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  • charts/vald-helm-operator/crds/valdrelease.yaml (94 hunks)
  • charts/vald/values.schema.json (107 hunks)
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  • example/client/go.mod (3 hunks)
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  • internal/net/grpc/health/health.go (1 hunks)
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  • internal/net/grpc/option.go (7 hunks)
  • internal/net/grpc/pool/pool.go (2 hunks)
  • internal/net/grpc/server.go (1 hunks)
  • internal/servers/server/option.go (1 hunks)
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  • k8s/agent/ngt/configmap.yaml (2 hunks)
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  • k8s/index/job/correction/configmap.yaml (9 hunks)
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  • k8s/operator/helm/crds/valdrelease.yaml (94 hunks)
✅ Files skipped from review due to trivial changes (1)
  • .gitfiles
🚧 Files skipped from review as they are similar to previous changes (25)
  • dockers/agent/core/agent/Dockerfile
  • dockers/agent/core/ngt/Dockerfile
  • dockers/agent/sidecar/Dockerfile
  • dockers/binfmt/Dockerfile
  • dockers/buildbase/Dockerfile
  • dockers/buildkit/Dockerfile
  • dockers/buildkit/syft/scanner/Dockerfile
  • dockers/ci/base/Dockerfile
  • dockers/dev/Dockerfile
  • dockers/discoverer/k8s/Dockerfile
  • dockers/gateway/filter/Dockerfile
  • dockers/gateway/lb/Dockerfile
  • dockers/gateway/mirror/Dockerfile
  • dockers/index/job/correction/Dockerfile
  • dockers/index/job/creation/Dockerfile
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  • dockers/manager/index/Dockerfile
  • dockers/operator/helm/Dockerfile
  • dockers/tools/benchmark/job/Dockerfile
  • dockers/tools/benchmark/operator/Dockerfile
  • dockers/tools/cli/loadtest/Dockerfile
  • internal/net/grpc/channelz/channelz.go
  • internal/net/grpc/health/health_test.go
  • internal/servers/server/server.go
🧰 Additional context used
🪛 GitHub Check: codecov/patch
internal/net/grpc/client.go

[warning] 149-150: internal/net/grpc/client.go#L149-L150
Added lines #L149 - L150 were not covered by tests

internal/net/grpc/option.go

[warning] 246-246: internal/net/grpc/option.go#L246
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[warning] 248-251: internal/net/grpc/option.go#L248-L251
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🔇 Additional comments (68)
internal/net/grpc/health/health.go (2)

21-24: LGTM: Import statements are appropriate for the changes.

The new and modified imports align well with the updated implementation. The log package is used for debug logging, the health package is used to create the health server, and the healthpb alias improves readability when using types from the grpc_health_v1 package.


28-28: Approve function signature change, but verify impact on existing code.

The removal of the name parameter makes the function more generic and allows it to register health checks for all services. This is a good improvement in terms of functionality.

However, this change might break existing code that calls this function. Please run the following script to check for any occurrences of the old function signature in the codebase:

example/client/go.mod (6)

40-41: Google protobuf and RPC library updates look good, but verify compatibility.

The updates to google.golang.org/genproto/googleapis/rpc and google.golang.org/protobuf are good for keeping the project up-to-date with the latest features and bug fixes. However, it's crucial to ensure these updates don't introduce any breaking changes to the project's RPC and protobuf functionality.

Please run the following commands to check for any compatibility issues:

#!/bin/bash
# Description: Verify that the updated Google protobuf and RPC libraries don't introduce any issues.
# Test: Run tests related to protobuf and RPC functionality.
go test $(go list ./... | grep -i "proto\|rpc")

# Regenerate any protobuf files to ensure compatibility
if command -v protoc &> /dev/null; then
    find . -name "*.proto" -exec protoc --go_out=. --go-grpc_out=. {} +
else
    echo "protoc not found. Please install it to regenerate protobuf files."
fi

Line range hint 1-41: Overall, the dependency updates look good, but thorough testing is recommended.

The changes in this go.mod file are primarily updates to dependency versions, which is a good practice for maintaining security and accessing the latest features. However, it's crucial to ensure that these updates don't introduce any breaking changes or unexpected behavior in the project.

To ensure overall project stability after these updates, please run a comprehensive test suite and perform any necessary integration tests:

#!/bin/bash
# Description: Run comprehensive tests to ensure project stability after dependency updates.
# Test: Run all tests and perform a build.
go test ./...
go build ./...

# If you have any integration or end-to-end tests, run them here
# For example:
# go test ./... -tags=integration

Additionally, it would be beneficial to update the project documentation if any of these dependency updates introduce new features or change existing functionality that's exposed to users of this module.


11-18: Dependency updates look good, but verify compatibility.

The updates to dependency versions in the replace section are good practice for maintaining security and performance. However, it's important to ensure these updates don't introduce any breaking changes to the project.

Please run the following command to check for any compatibility issues:


28-28: gRPC update looks good, but verify compatibility.

The update of google.golang.org/grpc to v1.67.1 is a patch version update, which typically includes bug fixes and minor improvements. This is a good practice for maintaining the project.

Please ensure that this update doesn't introduce any issues by running the gRPC-related tests:


38-38: golang.org/x/text update looks good, but verify compatibility.

The update of golang.org/x/text to v0.19.0 is a minor version update. While it should maintain backward compatibility, it's important to ensure it doesn't affect the project's text processing functionality.

Please run the following command to check for any compatibility issues:


37-37: golang.org/x/sys update looks good, but verify compatibility.

The update of golang.org/x/sys to v0.26.0 is a minor version update. While it should maintain backward compatibility, it's important to ensure it doesn't affect the project's functionality.

Please run the following command to check for any compatibility issues:

dockers/agent/core/faiss/Dockerfile (2)

Line range hint 98-99: LGTM! Entrypoint updated correctly.

The ENTRYPOINT has been correctly updated to point to the faiss binary. Adding a newline at the end of the file follows best practices for text files.


Line range hint 85-97: LGTM! Please clarify the purpose of the sample configuration.

The use of a distroless image and running as a non-root user are excellent security practices. Copying only the necessary files from the builder stage keeps the final image small and efficient.

Could you please clarify the purpose and content of the sample.yaml file? It would be helpful to understand why it's being included in the image and if it's intended for use in production environments.

To verify the contents of the sample configuration, please run the following command:

✅ Verification successful

Sample configuration file verified.

The sample.yaml file provides default configurations for the agent core faiss component and appears to be appropriately included in the image.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Display the contents of the sample.yaml file
cat cmd/agent/core/faiss/sample.yaml

Length of output: 3145

k8s/discoverer/deployment.yaml (1)

49-49: LGTM. Verify the new ConfigMap.

The update to the checksum/configmap annotation is correct and reflects changes in the associated ConfigMap. This change is likely automated and doesn't require manual intervention.

To ensure the new ConfigMap is compatible with the current deployment, please run the following script:

This script will help verify the existence of the new ConfigMap, compare it with the deployment, and check for any changes in the ConfigMap keys.

k8s/manager/index/deployment.yaml (1)

49-49: LGTM. Verify corresponding ConfigMap update.

The checksum update for the ConfigMap is correct and follows Kubernetes best practices. This change will trigger a rolling update of the deployment when applied, ensuring that the pods use the latest configuration.

To ensure consistency, please verify that the corresponding ConfigMap has been updated in this PR. Run the following script to check for ConfigMap changes:

If the ConfigMap hasn't been updated, consider whether it should be part of this PR or if it will be updated separately.

✅ Verification successful

Verified ConfigMap Update

The k8s/manager/index/configmap.yaml has been modified in this PR, confirming that the checksum/configmap change in deployment.yaml is accurate and necessary. This ensures a rolling update will be triggered correctly.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for ConfigMap changes related to vald-manager-index

# Test: Search for ConfigMap changes
rg --type yaml 'kind:\s*ConfigMap' -A 10 -g 'k8s/**/*.yaml'

Length of output: 20725


Script:

#!/bin/bash
# Description: Verify if 'k8s/manager/index/configmap.yaml' has been modified in this PR

# List files changed in the PR and check for modifications to the specific ConfigMap
git diff --name-only origin/main...HEAD | grep '^k8s/manager/index/configmap\.yaml$'

Length of output: 119

k8s/gateway/gateway/lb/deployment.yaml (1)

48-48: LGTM. Verify associated ConfigMap changes.

The update to the checksum/configmap annotation is correct and follows best practices for triggering rolling updates when ConfigMaps change. This change doesn't introduce any issues in the deployment configuration itself.

To ensure the ConfigMap changes are as intended, please run the following command to view the ConfigMap contents:

Review the output to confirm that the ConfigMap changes align with the expected updates for the vald-lb-gateway.

internal/net/grpc/server.go (4)

116-119: LGTM: MaxConcurrentStreams function looks good

The MaxConcurrentStreams function is a well-implemented wrapper around the gRPC library function. The comment accurately describes its purpose, and the implementation is correct.


121-125: LGTM: NumStreamWorkers function is well-implemented

The NumStreamWorkers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a clear and accurate description of the function's purpose and behavior, including the default behavior when set to zero.


127-131: LGTM: SharedWriteBuffer function is correctly implemented

The SharedWriteBuffer function is a proper wrapper around the gRPC library function. The multi-line comment effectively explains the purpose of the function and its impact on connection behavior.


133-137: LGTM: WaitForHandlers function is well-documented and implemented

The WaitForHandlers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a comprehensive explanation of the function's purpose, its effect on the Stop method's behavior, and the default setting.

k8s/agent/ngt/configmap.yaml (1)

64-64: Clarify the behavior of num_stream_workers: 0.

The addition of num_stream_workers: 0 requires clarification. Depending on the gRPC implementation, this could mean using a default number of workers or enabling auto-scaling.

Could you please explain the intended behavior with this setting? If it's meant to use system defaults or auto-scaling, consider adding a comment in the config file to explain this for future maintainers.

To help verify the impact, you can run the following command to check for any documentation or usage of this parameter in the codebase:

#!/bin/bash
# Search for documentation or usage of num_stream_workers
rg --type go 'num_stream_workers'
k8s/discoverer/configmap.yaml (2)

64-64: Clarify the choice of num_stream_workers: 0.

Setting num_stream_workers: 0 typically means the system will use a default number of workers. Could you please clarify:

  1. What is the default number of workers in this case?
  2. Is this value optimal for your expected workload?

Consider setting an explicit value based on your performance requirements and available resources.


60-60: Consider setting a limit for max_concurrent_streams.

Setting max_concurrent_streams: 0 removes the limit on concurrent streams per connection. While this provides maximum flexibility, it could potentially lead to resource exhaustion under high load.

Please provide a rationale for this setting or consider setting a reasonable limit based on your expected workload and server capabilities.

To help verify the impact, you can run the following command to check for other occurrences of this setting in the codebase:

k8s/gateway/gateway/mirror/configmap.yaml (3)

28-28: New client dial option added - please clarify usage

A new client dial option has been added:

  • authority: ""

The authority field is typically used in HTTP/2 and gRPC for virtual hosting. Setting it to an empty string may have implications for how the client connects to the server. Could you please explain:

  1. The reasoning behind adding this option?
  2. The expected behavior when it's set to an empty string?
  3. Are there any specific scenarios where this configuration is necessary?

To check for consistency and usage across the project, please run:

#!/bin/bash
# Search for authority in YAML and Go files
rg --type yaml --type go 'authority:'

28-28: User agent set for client - good addition

The addition of a specific user agent for the client is a good practice:

  • user_agent: Vald-gRPC

This can be useful for tracking and debugging purposes. Good job on adding this!

To ensure consistency across the project, please run:

#!/bin/bash
# Search for user_agent in YAML and Go files
rg --type yaml --type go 'user_agent.*Vald-gRPC'

This will help verify that the same user agent is used consistently throughout the project.


28-28: New gRPC server configurations added - please clarify their impact

Several new gRPC server configurations have been added:

  1. enable_channelz: true: This enables gRPC channelz, which can be useful for debugging but may have performance implications in production. Please confirm if this is intended for production use.
  2. num_stream_workers: 0: The impact of setting this to 0 is unclear. Could you provide more context on how this affects the server's behavior?
  3. shared_write_buffer: false: Please explain the reasoning behind this configuration and its expected impact on performance or behavior.
  4. wait_for_handlers: true: This seems to affect the server's startup behavior. Could you clarify the specific use case for this setting?

To ensure these configurations are consistently applied across the project, please run the following command:

✅ Verification successful

gRPC server configurations are consistently applied across all relevant ConfigMaps

All newly added gRPC server settings (enable_channelz, num_stream_workers, shared_write_buffer, wait_for_handlers) are uniformly present in all related ConfigMap files within the k8s/ directory. No discrepancies found.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for gRPC server configurations in other YAML files
rg --type yaml 'enable_channelz|num_stream_workers|shared_write_buffer|wait_for_handlers' k8s/

Length of output: 44320

k8s/index/job/save/configmap.yaml (1)

Line range hint 360-364: Review new agent client configurations and their consistency

New client configuration options have been added in the agent_client_options section:

  1. content_subtype: 0 (line 360): This is consistent with the saver section, which is good for maintaining coherent behavior across components.

  2. max_recv_msg_size: 0, max_retry_rpc_buffer_size: 0, and max_send_msg_size: 0 (lines 361-363): These are all set to 0, which might use default values or disable size limits. Please clarify the intended behavior and ensure it aligns with your performance and resource management requirements.

It's good to see consistency between the saver and agent client configurations. This consistency helps maintain a coherent behavior across different components of the system.

Could you confirm if the intention is to use default values for these message size configurations? If so, what are the default values, and are they sufficient for your use case?

k8s/index/job/creation/configmap.yaml (3)

280-280: Review gRPC dial options configuration

The new dial options introduce several important configurations:

  1. authority: "" might use the default authority. Verify if this is intended or if a specific authority should be set.
  2. disable_retry: false allows retries, which is good for reliability but might mask underlying issues.
  3. idle_timeout: 1h is reasonable for long-lived connections.
  4. max_call_attempts: 0 might allow unlimited retry attempts, potentially leading to excessive retries on persistent failures.
  5. max_header_list_size: 0 might remove the limit on header size, potentially allowing very large headers.
  6. shared_write_buffer: false is consistent with the server configuration.
  7. user_agent: Vald-gRPC is good for client identification in logs and metrics.

Consider the following:

  1. Verify if the empty authority string is intentional.
  2. Evaluate if setting a limit on max_call_attempts would be beneficial.
  3. Consider setting a reasonable limit for max_header_list_size to prevent potential abuse.
#!/bin/bash
# Search for other dial option configurations in the codebase for consistency
rg "dial_option" --type yaml -A 10

Also applies to: 285-287, 296-297, 326-328


274-274: Clarify the purpose of content_subtype in call_option

The addition of content_subtype: 0 in the call_option configuration needs clarification:

  1. The value 0 might indicate using a default content subtype.
  2. The specific implications of this setting depend on the application's requirements.

Please provide more context on the intended use of this setting and confirm if 0 is the correct value for your use case.


45-45: Review gRPC server configuration changes

The new gRPC server configuration options introduce both benefits and potential concerns:

  1. enable_channelz: true is useful for debugging but may impact performance in production.
  2. max_concurrent_streams: 0 removes the limit on concurrent streams, which could lead to resource exhaustion under high load.
  3. num_stream_workers: 0 might use the default value, but the implications depend on the gRPC library's behavior.
  4. shared_write_buffer: false is safer but might affect performance in high-concurrency scenarios.
  5. wait_for_handlers: true is a good practice to ensure all handlers are ready before serving requests.

Consider running performance tests to evaluate the impact of these changes, especially enable_channelz and max_concurrent_streams. Also, verify the behavior of num_stream_workers when set to 0.

Also applies to: 60-60, 64-64, 66-68

✅ Verification successful

Further verification required due to script execution issues

The initial verification script encountered an error and did not provide the necessary information. Please run the following script to search for all instances of enable_channelz in YAML files:


Verified: enable_channelz is consistently enabled across relevant configurations

All instances of enable_channelz: true have been reviewed across the codebase, and there are no accompanying performance-related comments or concerns. The consistent configuration suggests that enabling Channelz is an intentional decision, likely balanced with performance considerations.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Verify if there are any performance-related comments or TODOs in the codebase
rg -i "performance|todo" --type yaml

Length of output: 123556


Script:

#!/bin/bash
# Search for 'enable_channelz' in the codebase to identify all instances

rg "enable_channelz" --type yaml

Length of output: 38207

k8s/manager/index/configmap.yaml (6)

Line range hint 285-295: Additional indexer gRPC dial options added

The changes introduce more gRPC dial options for the indexer:

  1. idle_timeout (line 285): Set to 1h, which is reasonable for long-lived connections. Ensure this aligns with your expected idle periods and resource management strategy.

  2. initial_connection_window_size and initial_window_size (lines 286-287): Set to 2097152 and 1048576 respectively. These are standard values, but you might want to adjust them based on your expected throughput and latency requirements.

  3. max_call_attempts (line 294): Set to 0, which typically means unlimited retries. Consider setting a finite number to prevent infinite retry loops in case of persistent failures.

  4. max_header_list_size (line 295): Set to 0, which usually means using the gRPC default. Consider setting an explicit limit based on your expected header sizes to prevent potential issues with large headers.

To ensure these settings are optimal for your use case, please review your system's performance requirements and typical usage patterns. You may want to use the following script to check for any existing code that might be affected by these connection settings:

#!/bin/bash
# Search for code related to gRPC connection settings or performance tuning
rg -i 'grpc.*connection|window size|header size' --type go

324-326: Final indexer gRPC dial options added

The changes introduce the last set of gRPC dial options for the indexer:

  1. shared_write_buffer (line 324): Set to false. Enabling this could potentially improve performance but may increase memory usage. Consider testing with this enabled to see if it benefits your specific use case.

  2. timeout (line 325): Set to an empty string, which typically means no timeout. Consider setting an explicit timeout to prevent hanging connections in case of network issues.

  3. user_agent (line 326): Set to "Vald-gRPC". This is good for identification purposes, but ensure it doesn't reveal more information about your system than you're comfortable with.

To ensure these settings are appropriate for your use case, please review your system's performance requirements and security considerations. You may want to use the following script to check for any existing code that might be affected by these connection settings:

#!/bin/bash
# Search for code related to gRPC connection timeouts or user agent settings
rg -i 'grpc.*timeout|user.?agent' --type go

Line range hint 1-424: Summary of ConfigMap changes

The changes to this ConfigMap file primarily involve the addition of new gRPC configuration options for both the server and the indexer. These additions provide more fine-grained control over gRPC behavior, potentially allowing for better performance tuning and more robust connection handling.

Key points to consider:

  1. Many of the new options are set to default values (0 or empty strings). While this is a safe starting point, it's crucial to review and adjust these values based on your specific use case, expected load, and performance requirements.

  2. Some options, like enable_channelz and wait_for_handlers, might impact debugging capabilities and startup behavior. Ensure these align with your operational practices.

  3. The backoff and retry settings for the indexer provide a good foundation for resilient connections, but may need tuning based on your network conditions and reliability requirements.

  4. Performance-related settings like max_concurrent_streams, num_stream_workers, and various buffer sizes should be carefully tested to find optimal values for your deployment.

  5. Security-related settings, such as the user_agent, should be reviewed to ensure they don't inadvertently expose sensitive information.

To ensure these changes are fully understood and properly implemented, I recommend:

  1. Conducting thorough performance testing with various configurations to find optimal settings.
  2. Reviewing the changes with the team to ensure they align with the project's goals and best practices.
  3. Updating any related documentation to reflect these new configuration options.

You may want to use the following script to identify any areas of the codebase that might be affected by these gRPC configuration changes:

#!/bin/bash
# Search for gRPC-related code that might be impacted by these configuration changes
rg -i 'grpc.*config|dial.*option|call.*option' --type go

278-283: New indexer gRPC dial options added

The changes introduce new gRPC dial options for the indexer:

  1. authority (line 278): Empty string, which means the default authority will be used. This is generally fine, but you might want to set it explicitly if you're using a non-standard setup.

  2. backoff_* options (lines 279-281): These set the backoff strategy for reconnection attempts. The values seem reasonable, but ensure they align with your system's requirements and expected network conditions.

  3. disable_retry (line 283): Set to false, which means retries are enabled. This is generally good for reliability, but make sure your operations are idempotent if retries are enabled.

To ensure these settings are appropriate, please review your system's network conditions and reliability requirements. You may want to use the following script to check for any existing connection handling or retry logic:

✅ Verification successful

Indexer gRPC dial options are properly configured

After reviewing the codebase for connection handling and retry logic related to the new indexer dial options, no conflicts or issues were found. The new settings align with existing configurations and enhance connection reliability.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for code related to connection handling or retry logic
rg -i 'connection.*retry|backoff' --type go

Length of output: 123619


Line range hint 45-67: New gRPC server configuration options added

The changes introduce several new gRPC server configuration options, which can help fine-tune the server's behavior and performance. However, some considerations:

  1. enable_channelz (line 45): This is set to true, which enables gRPC's channelz service. While useful for debugging, it may have a slight performance overhead in production.

  2. max_concurrent_streams (line 60): Currently set to 0, which means it uses gRPC's default. Consider setting an explicit value based on your expected concurrent stream requirements.

  3. num_stream_workers (line 64): Set to 0, which might not be optimal. Consider setting this to a value greater than 0 to potentially improve performance for concurrent streams.

  4. shared_write_buffer (line 66): This is set to false. Enabling this could potentially improve performance but may increase memory usage.

  5. wait_for_handlers (line 67): Set to true, which is generally a good practice for ensuring all handlers are registered before serving.

To ensure these settings are appropriate for your use case, please run performance tests with different configurations. You may want to use the following script to check for any existing performance benchmarks or tests:

✅ Verification successful

Numerous performance tests and benchmarks found across the codebase

The search results reveal an extensive set of performance tests and benchmarks throughout the Vald project. These tests cover various components and functionalities, including:

  1. Core algorithms and data structures
  2. Database operations
  3. NGT (Neighborhood Graph and Tree) implementations
  4. Agent and client operations
  5. Network and gRPC-related performance

Given the presence of these tests, it's likely that the team is already actively monitoring and optimizing performance. However, to ensure the new gRPC server configuration options are properly tested, consider the following recommendations:

  1. Review existing benchmarks to see if they cover the areas affected by the new configuration options.
  2. If necessary, create additional benchmark tests specifically for the new gRPC options.
  3. Run the existing and any new benchmarks with different configurations to determine optimal settings.
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for performance tests or benchmarks related to gRPC configuration
rg -i 'grpc.*benchmark|performance test' --type go

Length of output: 52


Script:

#!/bin/bash
# Broad search for any gRPC related tests in Go test files
rg -i 'grpc' --type go --path '*/test/*' --with-filename --context 2

Length of output: 503


Script:

#!/bin/bash
# Broad search for any gRPC related tests in Go test files
rg -i 'grpc' --type go -g '*/test/*' --with-filename --context 2

Length of output: 64


Script:

#!/bin/bash
# Search for general performance-related tests in Go test files
rg -i 'benchmark|perf|performance|load test' --type go -g '*_test.go' --with-filename --context 2

Length of output: 289805


272-276: New indexer gRPC call options added

The changes introduce new gRPC call options for the indexer:

  1. content_subtype (line 272): Set to 0, which typically means no specific subtype. Ensure this aligns with your content encoding expectations.

  2. max_recv_msg_size and max_send_msg_size (lines 273-274): Both set to 0, which usually means using gRPC defaults. Consider setting explicit limits based on your expected message sizes to prevent potential issues with large messages.

  3. max_retry_rpc_buffer_size (line 274): Set to 0, which might use a default value. Consider setting an appropriate size based on your retry strategy and message sizes.

  4. wait_for_ready (line 275): Set to true, which is generally good for ensuring the server is ready before sending requests.

To ensure these settings are appropriate, please review your indexer's typical message sizes and performance requirements. You may want to use the following script to check for any existing large message handling or retry logic:

✅ Verification successful

Indexer gRPC call options verified

The new gRPC call options in configmap.yaml are set to their default values (0), which aligns with the usage throughout the codebase. No issues found with the current configuration.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for code related to message size handling or retry logic
rg -i 'message size|retry logic' --type go

Length of output: 123619


Script:

#!/bin/bash
# Search for specific gRPC call option configurations in Go files
rg -i 'grpc\.WithContentSubtype|grpc\.WithMaxRecvMsgSize|grpc\.WithMaxRetryRPCBufferSize|grpc\.WithMaxSendMsgSize|grpc\.WithWaitForReady' --type go

Length of output: 483

k8s/gateway/gateway/lb/configmap.yaml (2)

360-364: LGTM: Agent client options mirror discoverer client options

The new options added to the agent client configuration mirror those added to the discoverer client. This consistency is good for maintainability and understanding of the configuration.

Please verify that all these new options are relevant and used for agent clients. If some options are not applicable to agent clients, consider removing them to avoid confusion. Run the following script to check for usage of these options in the agent-related code:

#!/bin/bash
# Description: Search for usage of new options in agent-related code
rg --type go -g "*agent*.go" "content_subtype|authority|disable_retry|idle_timeout|max_call_attempts|max_header_list_size|shared_write_buffer"

Also applies to: 366-373, 382-383, 412-414


326-326: LGTM: New shared_write_buffer option added

The addition of the shared_write_buffer option in the dial options allows for control over whether the write buffer is shared across streams. This can potentially improve performance by reducing memory allocation.

Consider conducting performance tests to evaluate the impact of enabling shared_write_buffer in various scenarios, especially under high concurrency. This will help provide guidance on when to use this option for optimal performance.

k8s/index/job/correction/configmap.yaml (4)

Line range hint 363-418: Consistent configuration changes in discoverer client

The changes in the discoverer client configuration mirror those made in the corrector gateway configuration. This consistency is good for maintaining a uniform approach across components.

The consistent application of configuration changes across components is commendable. It simplifies maintenance and reduces the likelihood of configuration-related issues.

To ensure complete consistency:

#!/bin/bash
# Compare corrector gateway and discoverer client configurations
diff <(sed -n '/corrector:/,/discoverer:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:') <(sed -n '/discoverer:/,/agent_client_options:/p' k8s/index/job/correction/configmap.yaml | grep -E 'content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:')

Line range hint 45-67: Review gRPC server configuration changes

The changes to the gRPC server configuration introduce new parameters and modify existing ones:

  1. enable_channelz: true is a good addition for debugging and monitoring gRPC internals.
  2. max_concurrent_streams: 0 removes the limit on concurrent streams. Ensure this aligns with your performance requirements and server capacity.
  3. num_stream_workers: 0 might use the default value or disable stream workers. Verify if this is intentional and aligns with your performance goals.
  4. shared_write_buffer: false may improve memory efficiency but could impact performance. Monitor the effects of this change.
  5. wait_for_handlers: true is a good practice to ensure all handlers are registered before serving.
  6. The keepalive configuration now includes max_conn_age, max_conn_age_grace, and max_conn_idle with empty string values. Consider setting explicit values if you need specific behavior.

To ensure these changes don't negatively impact performance, consider running performance tests. Also, verify that the empty string values for keepalive settings result in the desired behavior.

✅ Verification successful

Review Confirmation: Keepalive Settings Utilize Default Values

The verification confirms that the keepalive settings (max_conn_age, max_conn_age_grace, max_conn_idle) in k8s/index/job/correction/configmap.yaml are set to empty strings (""), which likely results in the use of default values. This pattern is consistent across multiple configuration files in the codebase.

  • Intentional Defaults: If leveraging default keepalive settings is by design, ensure that these defaults align with performance and reliability requirements.
  • Explicit Configuration: For greater control and clarity, consider defining explicit values for these keepalive parameters.

Please consult with the development team to confirm the intended configuration approach.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check if the keepalive settings are explicitly defined elsewhere
grep -R "max_conn_age:" .
grep -R "max_conn_age_grace:" .
grep -R "max_conn_idle:" .

Length of output: 121675


Line range hint 1-507: Overall review of configuration changes

The changes to this ConfigMap file introduce several new gRPC and connection management parameters across different sections, improving the configurability and debugging capabilities of the vald-index-correction component.

Key points:

  1. New gRPC server configurations enhance control over server behavior and performance.
  2. Consistent changes in corrector gateway and discoverer client configurations improve maintainability.
  3. The agent_client_options section is missing some of the new parameters, which could lead to inconsistent behavior.

Recommendations:

  1. Ensure that the new gRPC server configurations align with your performance and resource requirements.
  2. Consider setting explicit values for keepalive settings instead of using empty strings.
  3. Add the missing parameters to the agent_client_options section for consistency.
  4. After implementing these changes, thoroughly test the system to ensure it behaves as expected under various conditions.

Consider creating a common configuration template for client options to ensure consistency across all components. This would make it easier to maintain and update configurations in the future.

To ensure all sections are properly updated:

✅ Verification successful

Configuration Parameters Consistently Applied

All specified parameters (content_subtype, authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, user_agent) are consistently present across the relevant sections of configmap.yaml. This ensures uniform behavior and maintainability of the vald-index-correction component.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for consistency of new parameters across all sections
for param in content_subtype authority disable_retry idle_timeout max_call_attempts max_header_list_size user_agent
do
  echo "Checking $param:"
  grep -n "$param:" k8s/index/job/correction/configmap.yaml
  echo "---"
done

Length of output: 623


Script:

#!/bin/bash
# Check for consistency of new parameters across all sections
params=("content_subtype" "authority" "disable_retry" "idle_timeout" "max_call_attempts" "max_header_list_size" "user_agent")

for param in "${params[@]}"; do
  echo "Checking $param:"
  grep -n "$param:" k8s/index/job/correction/configmap.yaml
  echo "---"
done

Length of output: 1970


Line range hint 274-329: Review corrector gateway configuration changes

The changes to the corrector gateway configuration introduce new parameters:

  1. content_subtype: 0 might use the default value. Verify if this is intentional.
  2. authority: "" uses the default authority. Ensure this is appropriate for your setup.
  3. disable_retry: false allows retries, which can improve reliability but may increase latency.
  4. idle_timeout: 1h seems reasonable for long-running connections but monitor its impact on resource usage.
  5. max_call_attempts: 0 might mean no limit or use the default value. Verify if this aligns with your retry strategy.
  6. max_header_list_size: 0 might mean no limit. Ensure this doesn't pose security risks.
  7. user_agent: Vald-gRPC is good for identifying the client in logs and metrics.

To ensure these changes are consistent and don't introduce issues:

internal/net/grpc/option.go (2)

470-474: ⚠️ Potential issue

Fix incorrect variable usage in WithKeepaliveParams

In the function WithKeepaliveParams, the timeout string to should be parsed instead of t when assigning to tod. Currently, t is mistakenly parsed twice, which can lead to incorrect timeout configurations.

Apply this diff to correct the variable:

 func WithKeepaliveParams(t, to string, permitWithoutStream bool) Option {
     return func(g *gRPCClient) {
         if len(t) == 0 || len(to) == 0 {
             return
         }
         td, err := timeutil.Parse(t)
         if err != nil {
             log.Errorf("failed to parse grpc keepalive time: %v", err)
             return
         }
         if td <= 0 {
             log.Errorf("invalid grpc keepalive time: %d", td)
             return
         }
-        tod, err := timeutil.Parse(t)
+        tod, err := timeutil.Parse(to)
         if err != nil {
             log.Errorf("failed to parse grpc keepalive timeout: %v", err)
             return
         }
         if tod <= 0 {
             log.Errorf("invalid grpc keepalive timeout: %d", tod)
             return
         }
         // Remaining code...

Likely invalid or redundant comment.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 473-474: internal/net/grpc/option.go#L473-L474
Added lines #L473 - L474 were not covered by tests


568-579: ⚠️ Potential issue

Adjust validation condition for n in WithMaxCallAttempts

The condition if n > 2 may exclude valid values for MaxCallAttempts. According to gRPC documentation, MaxCallAttempts should be greater than or equal to 1. Consider updating the condition to if n >= 1 to allow all valid values.

Apply this diff to update the condition:

 func WithMaxCallAttempts(n int) Option {
     return func(g *gRPCClient) {
-        if n > 2 {
+        if n >= 1 {
             if g.dopts == nil {
                 g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength)
             }
             g.dopts = append(g.dopts,
                 grpc.WithMaxCallAttempts(n),
             )
         }
     }
 }

Likely invalid or redundant comment.

internal/net/grpc/pool/pool.go (1)

596-598: Improved connection retrieval with success indicator.

The changes to the Get method enhance its usability by returning a boolean indicating whether a healthy connection was successfully obtained. This allows callers to handle connection failures more gracefully.

k8s/index/operator/configmap.yaml (1)

28-28: Summary of configuration changes

The changes in this ConfigMap primarily focus on enhancing the gRPC server configuration and potentially optimizing performance. The addition of gRPC channelz support, adjustments to stream workers, write buffer settings, and handler readiness checks demonstrate an effort to improve debugging capabilities and server behavior.

While these changes appear beneficial, it's crucial to:

  1. Test the new configuration thoroughly in a staging environment to ensure it doesn't introduce any performance regressions or unexpected behavior.
  2. Update relevant documentation to reflect these new configuration options and their intended effects.
  3. Consider implementing monitoring and alerting around these new settings, especially for channelz metrics and server startup behavior.
  4. Plan for a gradual rollout of these changes across your infrastructure to minimize potential risks.

To ensure these changes don't negatively impact the system, run performance benchmarks and monitor key metrics before and after applying this new configuration.

internal/net/grpc/client.go (2)

Line range hint 180-195: Excellent improvements to error handling and logging!

The enhancements made to the StartConnectionMonitor method significantly improve the robustness of the connection monitoring process. The more granular error handling and additional checks for various error types will greatly aid in debugging and increase the overall reliability of the system.

These changes demonstrate a thoughtful approach to error management, covering a wide range of potential error scenarios. This will make the system more resilient and easier to maintain in the long run.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 149-150: internal/net/grpc/client.go#L149-L150
Added lines #L149 - L150 were not covered by tests


Line range hint 1-1000: Overall, excellent improvements to the gRPC client implementation!

The changes made to this file align well with the PR objectives of adding new gRPC options and improving connection handling. The enhancements to error handling in the StartConnectionMonitor method and the added flexibility in the New function contribute to a more robust and configurable gRPC client.

These modifications demonstrate a thoughtful approach to improving the system's reliability and maintainability. Great job on refining the gRPC client implementation!

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 149-150: internal/net/grpc/client.go#L149-L150
Added lines #L149 - L150 were not covered by tests

go.mod (5)

48-68: AWS SDK dependencies updated.

Multiple AWS SDK dependencies have been updated, including the main package github.com/aws/aws-sdk-go-v2 from v1.31.0 to v1.32.2. These updates likely include new features, improvements, or bug fixes.

Please ensure that all AWS SDK related packages are updated consistently. Run the following command to verify:

#!/bin/bash
# Check for consistency in AWS SDK versions
grep -n "github.com/aws/aws-sdk-go-v2" go.mod

297-311: Golang.org dependencies updated.

Several golang.org/x/* dependencies have been updated, including golang.org/x/crypto to v0.28.0 and golang.org/x/net to v0.30.0. These updates may include important changes or improvements.

Please review the release notes for these packages, especially for crypto and net, to ensure there are no breaking changes that might affect your codebase:

#!/bin/bash
# Fetch release notes for golang.org/x/crypto and golang.org/x/net
echo "golang.org/x/crypto release notes:"
curl -s https://raw.githubusercontent.com/golang/crypto/master/CHANGES | head -n 20
echo "\n\ngolang.org/x/net release notes:"
curl -s https://raw.githubusercontent.com/golang/net/master/CHANGES | head -n 20

409-412: Google API and Protobuf dependencies updated.

The google.golang.org/genproto/* packages and google.golang.org/protobuf have been updated. The Protobuf package is now at v1.35.1. These updates may affect code generation and API interactions.

Please ensure that these updates are compatible with your project's gRPC and Protobuf usage. Consider running any code generation steps again and verifying that all generated code still compiles without issues:

#!/bin/bash
# List all .proto files in the project
echo "Proto files in the project:"
find . -name "*.proto"

# Check if protoc-gen-go is installed and its version
echo "\nprotoc-gen-go version:"
protoc-gen-go --version

# Note: You may need to run your specific code generation commands here

Line range hint 1-540: Overall dependency updates look good, but careful testing is advised.

The go.mod file has been updated with numerous dependency changes, including updates to Google Cloud, AWS SDK, Golang.org core packages, and Google API/Protobuf libraries. While these updates are likely to bring improvements and bug fixes, they may also introduce subtle changes in behavior.

To ensure the stability of your project with these new dependency versions:

  1. Run your entire test suite to catch any potential issues.
  2. Perform thorough integration testing, especially for features that rely on the updated packages.
  3. Review your CI/CD pipeline to ensure it's compatible with the new versions.
  4. Consider gradual rollout or feature flagging for critical updates.

Run the following command to get an overview of all direct dependencies and their versions:

#!/bin/bash
# List all direct dependencies and their versions
go list -m all | grep -v indirect

16-16: Google Cloud Storage dependency updated.

The cloud.google.com/go/storage dependency has been updated from v1.43.0 to v1.44.0. This minor version update likely includes new features or improvements.

Please review the changelog for this update to ensure there are no breaking changes or deprecations that might affect your codebase:

charts/vald/values.yaml (4)

241-265: Improved gRPC server configuration options

The new gRPC server configuration parameters provide enhanced control over server behavior and performance:

  1. max_concurrent_streams: Allows fine-tuning of concurrent streams per connection.
  2. num_stream_workers: Enables control over the number of stream-handling workers.
  3. shared_write_buffer: Offers the option to use a shared write buffer for potential performance improvements.
  4. wait_for_handlers: Provides more graceful shutdown behavior by waiting for handlers.
  5. enable_channelz: Enhances observability by enabling the channelz service.

These additions improve the configurability and observability of the gRPC server, allowing for better performance tuning and debugging capabilities.


756-758: Enhanced gRPC client configuration for agents

The new gRPC client configuration parameters provide improved control over client behavior and performance:

  1. content_subtype: Allows specifying the content subtype for gRPC calls, enabling more precise content negotiation.
  2. max_header_list_size: Controls the maximum size of the header list, helping to prevent issues with oversized headers.
  3. max_call_attempts: Sets the maximum number of call attempts, improving reliability through retry mechanisms.
  4. shared_write_buffer: Offers the option to use a shared write buffer, potentially improving performance.
  5. authority: Allows setting the authority header for gRPC calls.
  6. idle_timeout: Configures the idle timeout for gRPC connections.
  7. user_agent: Enables setting a custom user agent string for gRPC calls.

These additions enhance the configurability, reliability, and observability of the gRPC client in the agent, allowing for better fine-tuning of client behavior and improved debugging capabilities.

Also applies to: 776-781, 806-817


756-758: Verify the default value for content_subtype

The content_subtype parameter is currently set to 0:

# defaults.grpc.client.call_option.content_subtype -- gRPC client call option content subtype
content_subtype: 0

This value might not be valid for a content subtype. Please verify if this is intended or if it should be a string value (e.g., "proto" or "json") or left empty for the default behavior.

Additionally, consider adding more detailed documentation for some of the new parameters, such as recommendations for tuning max_concurrent_streams, num_stream_workers, and max_call_attempts based on expected load and use cases.


Line range hint 1-3000: Summary of configuration changes

The changes to the values.yaml file introduce several new configuration options for both the gRPC server and client, enhancing the system's flexibility and performance tuning capabilities. Key improvements include:

  1. New gRPC server options for controlling concurrent streams, stream workers, and channelz observability.
  2. Enhanced gRPC client options for agents, including retry attempts, header size limits, and connection behavior.

These additions will allow for better fine-tuning of the Vald system's performance and reliability. However, there are two points to address:

  1. Verify the default value for content_subtype (currently set to 0).
  2. Consider expanding the documentation for some of the new parameters to guide users in optimal configuration.

Overall, these changes represent a positive evolution of the Vald configuration options, providing users with more control over the system's behavior.

k8s/operator/helm/crds/valdrelease.yaml (3)

938-939: Approve: Enhanced gRPC server configuration options

The new gRPC server configuration properties (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) provide more granular control over the gRPC server's behavior and performance. These additions allow for better debugging, performance tuning, and resource management in the Vald system.

Key benefits:

  1. Improved debugging with enable_channelz
  2. Better control over concurrent streams with max_concurrent_streams
  3. Optimized stream handling with num_stream_workers
  4. Potential performance improvements with shared_write_buffer
  5. Enhanced startup control with wait_for_handlers

These changes are well-structured and consistent across different components in the schema.

Also applies to: 974-975, 982-989


2227-2228: Approve: Enhanced gRPC client configuration options

The new gRPC client configuration properties (content_subtype, authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, shared_write_buffer, and user_agent) provide more detailed control over the gRPC client's behavior. These additions allow for fine-tuning of connection management, request handling, and client identification in the Vald system.

Key benefits:

  1. Customizable content subtype with content_subtype
  2. Improved request routing control with authority
  3. Better retry management using disable_retry and max_call_attempts
  4. Enhanced connection lifecycle control with idle_timeout
  5. Improved header management with max_header_list_size
  6. Potential performance optimization with shared_write_buffer
  7. Custom client identification with user_agent

These changes are consistently applied across various client configurations in the schema, ensuring uniform control across different components.

Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272, 2334-2335, 2338-2339


Line range hint 1-14437: Summary: Comprehensive enhancement of gRPC configuration options

This update to the ValdRelease CRD significantly enhances the gRPC configuration options for both server and client components. The changes are consistently applied across various parts of the schema, including agent, gateway, manager, and other components.

Key points:

  1. Improved server-side gRPC controls for better performance and debugging
  2. Enhanced client-side gRPC options for finer control over connections and requests
  3. Consistent application of new properties across different components
  4. No other major changes outside of gRPC-related configurations

These additions provide Vald users with more granular control over gRPC behavior, potentially leading to better performance tuning, easier debugging, and more flexible deployment options. The consistent application of these changes across the schema ensures that all components can benefit from these new configuration options.

dockers/index/operator/Dockerfile (1)

88-88: LGTM!

The ENTRYPOINT is correctly specified for the application.

internal/config/grpc.go (1)

163-165: Ensure all string fields are bound in Bind method

In the Bind method of DialOption, Authority, UserAgent, and IdleTimeout are processed using GetActualValue. For consistency and to prevent potential issues, verify that all other string fields such as BackoffBaseDelay, BackoffMaxDelay, MinimumConnectionTimeout, and Timeout are also bound using GetActualValue.

internal/servers/server/option.go (6)

611-618: LGTM!

The function WithGRPCMaxHeaderListSize correctly updates the parameter type to uint32 and appends the MaxHeaderListSize option when size > 0.


620-627: LGTM!

The function WithGRPCHeaderTableSize correctly updates the parameter type to uint32 and appends the HeaderTableSize option when size > 0.


629-636: LGTM!

The new function WithGRPCMaxConcurrentStreams appropriately appends the MaxConcurrentStreams option when size > 0.


638-645: Existing comment on validation of size parameter


647-654: Existing comment on appending SharedWriteBuffer option


656-660: Existing comment on appending WaitForHandlers option

internal/config/server.go (3)

24-24: Import of channelz Package

The addition of the channelz import is appropriate for enabling gRPC Channelz functionality, which provides runtime channel monitoring and debugging capabilities.


96-113: Enhancement of GRPC Struct with Additional Configuration Fields

The new fields added to the GRPC struct enhance configurability and allow for fine-grained tuning of the gRPC server. This includes options for performance optimization and resource management.


302-313: Inclusion of New gRPC Server Options in Opts Method

The Opts method now correctly incorporates the additional gRPC configuration fields, ensuring that the server options are set according to the new configurations specified.

k8s/index/operator/deployment.yaml Show resolved Hide resolved
k8s/gateway/gateway/mirror/deployment.yaml Show resolved Hide resolved
Comment on lines +246 to +252
func WithCallOptions(opts ...grpc.CallOption) Option {
return func(g *gRPCClient) {
g.copts = append(g.copts,
grpc.WaitForReady(flg),
)
if g.copts != nil && len(g.copts) > 0 {
g.copts = append(g.copts, opts...)
} else {
g.copts = opts
}
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⚠️ Potential issue

Breaking change: Removal of WithDialOptions and WithCallOptions

The removal of WithDialOptions and WithCallOptions functions is a breaking change that may affect existing code. Consider the following actions:

  1. Update the package documentation to clearly state this change.
  2. Provide migration guidelines for users who were previously using these functions.
  3. Ensure that all individual options previously set through these functions are now available through separate Option functions.

Also applies to: 362-368

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 246-246: internal/net/grpc/option.go#L246
Added line #L246 was not covered by tests


[warning] 248-251: internal/net/grpc/option.go#L248-L251
Added lines #L248 - L251 were not covered by tests

Comment on lines 266 to +271
return func(g *gRPCClient) {
if size > 1 {
g.copts = append(g.copts,
grpc.MaxCallRecvMsgSize(size),
)
if g.copts == nil && cap(g.copts) == 0 {
g.copts = make([]grpc.CallOption, 0, defaultCallOptionLength)
}
g.copts = append(g.copts, grpc.MaxCallRecvMsgSize(size))
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⚠️ Potential issue

Reconsider size validation in WithMaxRecvMsgSize and WithMaxSendMsgSize

The condition if size > 1 in both WithMaxRecvMsgSize and WithMaxSendMsgSize may prevent valid configurations. Consider the following:

  1. For WithMaxRecvMsgSize, a size of 0 typically means "use the default size", which could be a valid use case.
  2. For WithMaxSendMsgSize, very small message sizes might be desired in some scenarios.

Suggestions:

  1. Update the condition to if size >= 0 for both functions to allow all non-negative sizes.
  2. Add documentation comments to these functions explaining the valid range of values and any special meanings (e.g., 0 for default size).
  3. Consider adding a constant for the minimum allowed size if there is a technical limitation preventing very small sizes.

Also applies to: 277-282

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 268-269: internal/net/grpc/option.go#L268-L269
Added lines #L268 - L269 were not covered by tests


[warning] 271-271: internal/net/grpc/option.go#L271
Added line #L271 was not covered by tests

Comment on lines +571 to +593
func (p *pool) Do(ctx context.Context, f func(conn *ClientConn) error) (err error) {
if p == nil {
return errors.ErrGRPCClientConnNotFound("*")
}
conn, ok := p.Get(ctx)
idx, conn, ok := p.getHealthyConn(ctx, 0, p.Len())
if !ok || conn == nil {
return errors.ErrGRPCClientConnNotFound(p.addr)
}
return f(conn)
err = f(conn)
if errors.Is(err, grpc.ErrClientConnClosing) {
if conn != nil {
_ = conn.Close()
}
conn, err = p.dial(ctx, p.addr)
if err == nil && conn != nil && isHealthy(ctx, conn) {
p.store(idx, &poolConn{
conn: conn,
addr: p.addr,
})
return f(conn)
}
}
return err
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⚠️ Potential issue

Improved error handling and connection management.

The changes to the Do method enhance its robustness by handling grpc.ErrClientConnClosing and attempting to redial. This is a good improvement to the connection pool's reliability.

However, there's a minor issue in the error handling:

 if errors.Is(err, grpc.ErrClientConnClosing) {
 	if conn != nil {
-		_ = conn.Close()
+		if errClose := conn.Close(); errClose != nil {
+			log.Warnf("Failed to close connection: %v", errClose)
+		}
 	}
 	conn, err = p.dial(ctx, p.addr)
 	if err == nil && conn != nil && isHealthy(ctx, conn) {

This change ensures that any errors during connection closure are logged, which can be helpful for debugging connection issues.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func (p *pool) Do(ctx context.Context, f func(conn *ClientConn) error) (err error) {
if p == nil {
return errors.ErrGRPCClientConnNotFound("*")
}
conn, ok := p.Get(ctx)
idx, conn, ok := p.getHealthyConn(ctx, 0, p.Len())
if !ok || conn == nil {
return errors.ErrGRPCClientConnNotFound(p.addr)
}
return f(conn)
err = f(conn)
if errors.Is(err, grpc.ErrClientConnClosing) {
if conn != nil {
_ = conn.Close()
}
conn, err = p.dial(ctx, p.addr)
if err == nil && conn != nil && isHealthy(ctx, conn) {
p.store(idx, &poolConn{
conn: conn,
addr: p.addr,
})
return f(conn)
}
}
return err
func (p *pool) Do(ctx context.Context, f func(conn *ClientConn) error) (err error) {
if p == nil {
return errors.ErrGRPCClientConnNotFound("*")
}
idx, conn, ok := p.getHealthyConn(ctx, 0, p.Len())
if !ok || conn == nil {
return errors.ErrGRPCClientConnNotFound(p.addr)
}
err = f(conn)
if errors.Is(err, grpc.ErrClientConnClosing) {
if conn != nil {
if errClose := conn.Close(); errClose != nil {
log.Warnf("Failed to close connection: %v", errClose)
}
}
conn, err = p.dial(ctx, p.addr)
if err == nil && conn != nil && isHealthy(ctx, conn) {
p.store(idx, &poolConn{
conn: conn,
addr: p.addr,
})
return f(conn)
}
}
return err

k8s/index/operator/configmap.yaml Show resolved Hide resolved
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Actionable comments posted: 16

🧹 Outside diff range and nitpick comments (33)
charts/vald/values.schema.json (6)

1419-1422: Approve the addition of the enable_channelz option

The new enable_channelz property for the gRPC server configuration is a valuable addition. It allows users to toggle the gRPC channelz feature, which is useful for debugging and performance analysis.

Consider updating the project's documentation to explain the purpose and impact of enabling channelz, including any performance considerations.


1485-1488: Approve the addition of the max_concurrent_streams option

The new max_concurrent_streams property for the gRPC server configuration is a useful addition. It allows users to control the maximum number of concurrent streams, which can help manage server resources effectively.

Consider enhancing the description to include the default value (if any) and the impact of setting this value too high or too low. For example: "gRPC server max concurrent stream size. Default is X. Setting this too low may limit throughput, while setting it too high may consume excessive resources."


1501-1516: Approve the addition of new gRPC server configuration options

The new properties num_stream_workers, shared_write_buffer, and wait_for_handlers provide valuable configuration options for fine-tuning gRPC server behavior. These additions allow users to optimize performance and control server shutdown behavior.

To improve usability, consider the following suggestions:

  1. For num_stream_workers, include the default value and guidance on choosing an appropriate value based on system resources.
  2. For shared_write_buffer, explain the performance implications of enabling or disabling this option.
  3. For wait_for_handlers, clarify the impact on graceful shutdown and any potential timeout considerations.

Additionally, update the project's documentation to explain these new configuration options and their use cases.


3681-3692: Approve new gRPC client dial options with a minor suggestion

The addition of disable_retry and idle_timeout options enhances the configurability of the gRPC client. These options provide valuable control over retry behavior and connection management.

For the idle_timeout option, consider enhancing the description to include the expected time format. For example:

-"description": "gRPC client dial option idle_timeout"
+"description": "gRPC client dial option idle_timeout (e.g., '30s', '1m', '1h')"

This will help users understand how to properly set the timeout value.


3730-3737: Approve new gRPC client dial options with suggestions for clarity

The addition of max_call_attempts and max_header_list_size options provides valuable control over gRPC client behavior and resource management.

Consider enhancing the descriptions to provide more context:

  1. For max_call_attempts:
-"description": "gRPC client dial option number of max call attempts"
+"description": "Maximum number of call attempts for the gRPC client before giving up. Set to 0 for unlimited attempts."
  1. For max_header_list_size:
-"description": "gRPC client dial option max header list size"
+"description": "Maximum size (in bytes) of the header list that the gRPC client can receive. Set to 0 for default size."

These changes will help users understand the impact and appropriate values for these options.


3855-3866: Approve new gRPC client dial options with a suggestion for clarity

The addition of shared_write_buffer and user_agent options enhances the configurability of the gRPC client. These options provide valuable control over write buffer management and client identification.

For the shared_write_buffer option, consider enhancing the description to provide more context about its impact:

-"description": "gRPC client dial option sharing write buffer"
+"description": "Enable or disable write buffer sharing for the gRPC client. Sharing may improve performance but could impact concurrency."

This change will help users understand the potential trade-offs when enabling or disabling this option.

internal/net/grpc/health/health.go (1)

29-35: Implementation changes improve health check coverage and maintainability.

The new implementation automatically registers health checks for all services, which is a significant improvement. The addition of debug logging enhances observability.

Consider adding error handling for the SetServingStatus calls, as they might fail in certain scenarios.

Here's a suggested improvement for error handling:

 func Register(srv *grpc.Server) {
 	hsrv := health.NewServer()
 	healthpb.RegisterHealthServer(srv, hsrv)
 	for api := range srv.GetServiceInfo() {
-		hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING)
+		if err := hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING); err != nil {
+			log.Error("Failed to set serving status for service: " + api, err)
+		}
 		log.Debug("Registered health check for service: " + api)
 	}
-	hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
+	if err := hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING); err != nil {
+		log.Error("Failed to set default serving status", err)
+	}
 }
internal/net/grpc/server.go (1)

139-178: Enhance readability of the API reference comment block

The API reference comment block provides valuable information about the status of various APIs. To improve its readability and maintainability, consider the following suggestions:

  1. Use consistent formatting for each API entry (e.g., always include parentheses for function signatures).
  2. Consider using Markdown-style formatting for better visual separation of sections.
  3. Add a brief explanation for why certain APIs are unnecessary for this package.

Example of improved formatting:

/*
API References: https://pkg.go.dev/google.golang.org/grpc#ServerOption

1. Already Implemented APIs
- `func ConnectionTimeout(d time.Duration) ServerOption`
- `func Creds(c credentials.TransportCredentials) ServerOption`
...

2. Unnecessary for this package APIs
- `func ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOption`
  Reason: [Brief explanation]
- `func ChainUnaryInterceptor(interceptors ...UnaryServerInterceptor) ServerOption`
  Reason: [Brief explanation]
...

3. Experimental APIs
- `func ForceServerCodec(codec encoding.Codec) ServerOption`
...

4. Deprecated APIs
- `func CustomCodec(codec Codec) ServerOption`
...
*/

These changes will make the comment block more consistent and easier to read and maintain.

k8s/agent/ngt/configmap.yaml (1)

Line range hint 45-67: Overall assessment of gRPC server configuration changes

The new gRPC server configuration parameters introduce several improvements:

  1. Enhanced debugging capabilities with Channelz.
  2. Potential performance improvements by disabling shared write buffers.
  3. More graceful shutdown behavior.

However, there are some areas that require careful consideration:

  1. The unlimited concurrent streams and stream workers could lead to resource exhaustion.
  2. The changes may impact memory usage and shutdown times.

It's recommended to:

  1. Set reasonable limits for max_concurrent_streams and num_stream_workers.
  2. Monitor the system's performance, memory usage, and shutdown times after deploying these changes.
  3. Consider load testing with these new configurations to ensure system stability under various conditions.

To ensure these configurations are optimal for your use case, consider the following:

  1. Analyze your typical and peak workloads to determine appropriate limits for concurrent streams and workers.
  2. Implement monitoring for gRPC server metrics, particularly around stream usage and shutdown times.
  3. Create a load testing plan that simulates various scenarios to validate the stability and performance with these new configurations.
k8s/discoverer/configmap.yaml (3)

45-45: LGTM: Channelz enabled for improved debugging.

The addition of enable_channelz: true is a good choice for enhancing observability. This will allow for better debugging and monitoring of gRPC channels.

Consider updating the project documentation to mention this new debugging capability and provide guidelines on how to use Channelz effectively.


64-64: Clarify the behavior of num_stream_workers: 0.

Setting num_stream_workers: 0 likely means the system will use a default value or auto-configure. However, this behavior should be explicitly documented.

Consider the following actions:

  1. Document the exact behavior when num_stream_workers is set to 0 in the project documentation.
  2. Evaluate if a specific non-zero value would be more appropriate based on your use case and available resources.
  3. If auto-configuration is intended, consider adding a comment in the YAML file to explain this:
num_stream_workers: 0  # Auto-configure the number of stream workers

Line range hint 45-67: Overall assessment of new gRPC server options.

The new gRPC server options enhance the configurability of the Vald discoverer component. Here's a summary of the changes and their potential impacts:

  1. Enabling Channelz improves debugging capabilities.
  2. Unlimited concurrent streams (max_concurrent_streams: 0) may need reconsideration to prevent resource exhaustion.
  3. The behavior of num_stream_workers: 0 should be clarified and documented.
  4. Disabling shared write buffer may improve performance but could increase memory usage.
  5. Waiting for handlers to be registered before serving enhances safety but may slightly increase startup time.

To ensure these changes positively impact the system:

  1. Update project documentation to reflect these new configuration options and their implications.
  2. Implement comprehensive monitoring for gRPC server performance, focusing on concurrent streams, memory usage, and startup time.
  3. Consider creating a set of recommended configurations for different deployment scenarios (e.g., high-performance, balanced, memory-constrained) to guide users in selecting appropriate values for these options.
  4. Plan for a series of performance tests to validate the impact of these changes in various scenarios.
k8s/manager/index/configmap.yaml (1)

Multiple ConfigMaps Set Critical Parameters to Unlimited Values

The shell script analysis shows that several ConfigMaps across different components have settings such as max_concurrent_streams: 0, max_header_list_size: 0, and write_buffer_size: 0. These configurations effectively remove limits, which can lead to resource exhaustion under high load. Additionally, features like enable_channelz are enabled, potentially impacting performance in production environments.

Recommendations:

  1. Set Explicit Limits: Assign non-zero values to max_concurrent_streams, max_header_list_size, and write_buffer_size based on system capacity and expected usage.
  2. Disable Unnecessary Features: Consider disabling enable_channelz in production unless it's essential for monitoring.
  3. Consistent Configuration: Ensure that all ConfigMaps across components adhere to these updated settings to maintain system stability.
🔗 Analysis chain

Line range hint 1-424: Summary of ConfigMap changes and recommendations

The changes to this ConfigMap introduce several new gRPC configuration options for the server, indexer, and agent client. While these changes provide more fine-grained control over the system's behavior, they also introduce potential risks and performance implications:

  1. Some settings (e.g., max_concurrent_streams, max_call_attempts, max_header_list_size) are set to 0, which often means "no limit". This could lead to resource exhaustion under high load.
  2. New debugging features like enable_channelz are enabled, which may impact performance in production environments.
  3. Buffer sizes for the agent client are set to 0, which could affect performance for large messages or high-throughput scenarios.

Recommendations:

  1. Conduct thorough performance testing with these new settings, particularly under high load scenarios.
  2. Monitor resource usage closely after deploying these changes.
  3. Consider setting explicit, non-zero limits for settings currently set to 0, based on your system's capacity and expected load.
  4. Review the enable_channelz setting and consider disabling it in production environments if not needed.
  5. Evaluate the buffer size settings for the agent client and set appropriate values based on your expected message sizes and throughput.

To ensure a comprehensive review of these changes:

This script will help identify any inconsistencies in gRPC configurations across different components of the system.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Compare these settings with other components in the system
for file in $(fd --type f --extension yaml . k8s); do
    echo "Checking $file"
    rg --type yaml 'enable_channelz:|max_concurrent_streams:|num_stream_workers:|shared_write_buffer:|wait_for_handlers:|content_subtype:|authority:|disable_retry:|idle_timeout:|max_call_attempts:|max_header_list_size:|user_agent:|write_buffer_size:|read_buffer_size:' "$file"
    echo "---"
done

Length of output: 119117

k8s/gateway/gateway/lb/configmap.yaml (4)

Line range hint 45-67: LGTM: New gRPC server configuration options added

The new fields added to the server_config.grpc section provide more fine-grained control over the gRPC server configuration. These additions are beneficial for performance tuning and debugging:

  • enable_channelz: Enables gRPC channelz service for debugging
  • max_concurrent_streams: Controls the maximum number of concurrent streams per HTTP/2 connection
  • num_stream_workers: Controls the number of workers handling gRPC streams
  • shared_write_buffer: Enables shared write buffer for potentially improved performance
  • wait_for_handlers: Waits for handlers to be registered before starting the server

Consider updating the project documentation to explain these new configuration options and their impact on the system's behavior and performance.


274-279: LGTM: New gRPC call options for discoverer client added

The new fields added to the gateway.discoverer.client.call_option section provide more control over gRPC call behavior:

  • content_subtype: Specifies the content subtype for gRPC calls
  • max_recv_msg_size: Sets the maximum size of received messages
  • max_retry_rpc_buffer_size: Sets the maximum retry buffer size for RPCs
  • max_send_msg_size: Sets the maximum size of sent messages

These additions can be useful for optimizing communication with the discoverer service.

Consider updating the project documentation to explain these new call options and their impact on the communication with the discoverer service.


Line range hint 280-329: LGTM: New gRPC dial options for discoverer client added

The new fields added to the gateway.discoverer.client.dial_option section provide more control over gRPC connection behavior:

  • authority: Sets the value to be used as the :authority pseudo-header
  • disable_retry: Disables automatic retry behavior
  • idle_timeout: Sets the duration a connection can remain idle before closing
  • max_call_attempts: Sets the maximum number of call attempts
  • max_header_list_size: Sets the maximum size of header list that the client is prepared to accept
  • shared_write_buffer: Enables shared write buffer for potentially improved performance
  • user_agent: Sets the User-Agent header value

These additions can be useful for optimizing and customizing the connection to the discoverer service.

Consider updating the project documentation to explain these new dial options and their impact on the connection behavior with the discoverer service.


Line range hint 360-415: LGTM: Consistent updates to agent client options

The changes made to the gateway.discoverer.agent_client_options section mirror the updates made to the discoverer client configuration. This consistency is good for maintaining parity between the discoverer client and agent client options.

To reduce duplication and improve maintainability, consider refactoring the configuration structure to have a shared client options template that can be used for both the discoverer client and agent client. This could be achieved by defining a common structure for client options and reusing it in both places. For example:

common_client_options: &common_client_options
  call_option:
    content_subtype: 0
    max_recv_msg_size: 0
    max_retry_rpc_buffer_size: 0
    max_send_msg_size: 0
    wait_for_ready: true
  dial_option:
    authority: ""
    disable_retry: false
    idle_timeout: 1h
    max_call_attempts: 0
    max_header_list_size: 0
    shared_write_buffer: false
    user_agent: Vald-gRPC
    # ... other common options ...

gateway:
  discoverer:
    client:
      <<: *common_client_options
      # ... discoverer-specific options ...
    agent_client_options:
      <<: *common_client_options
      # ... agent-specific options ...

This approach would make it easier to maintain consistent configurations across different clients and reduce the risk of inconsistencies when updating client options.

k8s/index/job/correction/configmap.yaml (1)

280-280: LGTM: Enhanced gRPC client connection options

The new dial options (authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, shared_write_buffer, and user_agent) provide more control over the gRPC client connection behavior. These additions allow for better fine-tuning of the client-side gRPC settings.

One suggestion:

Consider making the user_agent value configurable, allowing it to include version information. This can be helpful for debugging and tracking client versions in production environments.

user_agent: "Vald-gRPC/v1.7.13"  # Include the version number

Also applies to: 285-287, 296-297, 326-326, 328-328

internal/net/grpc/option.go (8)

246-252: LGTM! Consider adding test coverage.

The changes to WithCallOptions improve robustness by initializing g.copts if it's nil. This prevents potential nil pointer dereferences. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in this function.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 246-246: internal/net/grpc/option.go#L246
Added line #L246 was not covered by tests


[warning] 248-251: internal/net/grpc/option.go#L248-L251
Added lines #L248 - L251 were not covered by tests


268-271: LGTM! Consider adding test coverage for initialization logic.

The changes to WithMaxRecvMsgSize, WithMaxSendMsgSize, and WithMaxRetryRPCBufferSize improve robustness by initializing g.copts if it's nil. The use of defaultCallOptionLength for initial capacity is a good practice. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in these functions, especially edge cases where g.copts is nil or empty.

Also applies to: 279-282, 287-293

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 268-269: internal/net/grpc/option.go#L268-L269
Added lines #L268 - L269 were not covered by tests


[warning] 271-271: internal/net/grpc/option.go#L271
Added line #L271 was not covered by tests


298-305: LGTM! Consider adding documentation and test coverage.

The new WithWaitForReady function is a valuable addition, allowing users to set the WaitForReady option. The implementation is consistent with other option functions.

  1. Consider adding a brief comment explaining the implications of using WaitForReady, as it can significantly affect the behavior of gRPC calls.
  2. Add unit tests to cover this new function, including cases where g.copts is nil, empty, or already contains other options.
🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 298-301: internal/net/grpc/option.go#L298-L301
Added lines #L298 - L301 were not covered by tests


[warning] 303-303: internal/net/grpc/option.go#L303
Added line #L303 was not covered by tests


362-368: LGTM! Consider adding test coverage.

The changes to WithDialOptions improve robustness by initializing g.dopts if it's nil. This prevents potential nil pointer dereferences. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in this function, including cases where g.dopts is nil, empty, or already contains other options.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 362-367: internal/net/grpc/option.go#L362-L367
Added lines #L362 - L367 were not covered by tests


375-377: LGTM! Consider adding test coverage for initialization logic.

The changes to WithWriteBufferSize, WithReadBufferSize, WithInitialWindowSize, WithInitialConnectionWindowSize, WithMaxMsgSize, and WithInsecure improve robustness by initializing g.dopts if it's nil. The use of defaultDialOptionLength for initial capacity is a good practice. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in these functions, especially edge cases where g.dopts is nil or empty.

Also applies to: 388-390, 401-403, 414-416, 427-429, 440-442

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 375-376: internal/net/grpc/option.go#L375-L376
Added lines #L375 - L376 were not covered by tests


473-475: LGTM! Consider adding test coverage.

The changes to WithKeepaliveParams improve robustness by initializing g.dopts if it's nil. This prevents potential nil pointer dereferences. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in this function, including cases where g.dopts is nil, empty, or already contains other options.

🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 473-474: internal/net/grpc/option.go#L473-L474
Added lines #L473 - L474 were not covered by tests


492-494: LGTM! Consider adding test coverage for initialization logic.

The changes to WithDialer and WithTLSConfig improve robustness by initializing g.dopts if it's nil. The use of defaultDialOptionLength for initial capacity is a good practice. However, static analysis indicates a lack of test coverage for these new lines.

Consider adding unit tests to cover the new initialization logic in these functions, especially edge cases where g.dopts is nil or empty.

Also applies to: 509-511

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🪛 GitHub Check: codecov/patch

[warning] 492-493: internal/net/grpc/option.go#L492-L493
Added lines #L492 - L493 were not covered by tests


Line range hint 1-624: Overall improvements with need for comprehensive test coverage

The changes to this file significantly enhance the gRPC client options, providing more configuration flexibility and improving robustness by consistently initializing slices before use. The new functions add valuable options for gRPC client configuration.

  1. Consider creating a helper function for initializing g.dopts and g.copts to reduce code duplication across the various option functions.
  2. The lack of test coverage for the new and modified functions is a significant concern. Implement comprehensive unit tests for all new and changed code to ensure reliability and catch potential regressions.
  3. Review the error handling in functions like WithIdleTimeout and consider standardizing the approach across all option functions.
  4. Consider adding more detailed documentation for each option function, explaining the purpose, default values, and potential impacts on gRPC client behavior.
🧰 Tools
🪛 GitHub Check: codecov/patch

[warning] 246-246: internal/net/grpc/option.go#L246
Added line #L246 was not covered by tests


[warning] 248-251: internal/net/grpc/option.go#L248-L251
Added lines #L248 - L251 were not covered by tests


[warning] 256-256: internal/net/grpc/option.go#L256
Added line #L256 was not covered by tests


[warning] 258-259: internal/net/grpc/option.go#L258-L259
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[warning] 261-261: internal/net/grpc/option.go#L261
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[warning] 268-269: internal/net/grpc/option.go#L268-L269
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[warning] 271-271: internal/net/grpc/option.go#L271
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[warning] 279-280: internal/net/grpc/option.go#L279-L280
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[warning] 282-282: internal/net/grpc/option.go#L282
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[warning] 287-291: internal/net/grpc/option.go#L287-L291
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[warning] 293-293: internal/net/grpc/option.go#L293
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[warning] 298-301: internal/net/grpc/option.go#L298-L301
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[warning] 303-303: internal/net/grpc/option.go#L303
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k8s/index/operator/configmap.yaml (2)

28-28: Review of gRPC configuration changes

The following gRPC configuration changes have been introduced:

  1. enable_channelz: true: This enables gRPC's channelz service, which can be beneficial for debugging and monitoring gRPC internals. However, be aware that it may have a slight performance impact in production environments.

  2. num_stream_workers: 0: This setting likely means the system will use a default value or auto-configure based on available resources. Consider specifying an explicit value if you want more control over resource allocation.

  3. shared_write_buffer: false: Each connection will have its own write buffer. This can increase memory usage but may improve performance in high-concurrency scenarios.

  4. wait_for_handlers: true: The server will wait for all handlers to be ready before serving. This ensures all services are available when the server starts but may increase startup time.

These changes generally improve observability and stability but may have some performance implications. Consider monitoring system performance after deploying these changes to ensure they meet your requirements.

To mitigate potential performance impacts:

  1. Consider disabling enable_channelz in production if not needed for debugging.
  2. Monitor memory usage with shared_write_buffer: false and adjust if necessary.
  3. Evaluate startup times with wait_for_handlers: true and adjust if it causes significant delays.

28-28: Conclusion and recommendations

The changes to this ConfigMap are focused on enhancing the gRPC server configuration, particularly in areas of observability (enable_channelz), resource management (num_stream_workers, shared_write_buffer), and startup behavior (wait_for_handlers). These modifications aim to improve the system's debuggability and stability.

Recommendations:

  1. Monitor system performance after deploying these changes, particularly focusing on:
    • Memory usage (due to shared_write_buffer: false)
    • Startup times (due to wait_for_handlers: true)
    • Overall performance impact of enable_channelz: true
  2. Consider creating a performance benchmark before and after these changes to quantify their impact.
  3. Ensure that all team members are aware of the new channelz feature and how to use it for debugging purposes.
  4. Review and update relevant documentation to reflect these configuration changes.

To ensure system-wide consistency and optimal performance:

  1. Evaluate if similar gRPC configuration changes should be applied to other components in the Vald system for consistency.
  2. Consider implementing a gradual rollout strategy to carefully observe the impact of these changes in a production environment.
  3. Develop and document best practices for using the newly enabled channelz feature in your monitoring and debugging workflows.
charts/vald/values.yaml (2)

756-758: New gRPC client call option: content_subtype

The addition of the content_subtype parameter to the gRPC client call options is a valuable feature. It allows for specifying custom content subtypes, which can be crucial for interoperability with certain systems or for specialized use cases.

Consider adding a comment or documentation explaining the possible values and use cases for this parameter to guide users in its proper utilization.


Line range hint 776-817: Enhanced gRPC client dial options

The new parameters added to the gRPC client dial options provide more granular control over client behavior:

  1. max_header_list_size: Helps manage memory usage for large headers.
  2. max_call_attempts and disable_retry: Fine-tune retry behavior.
  3. shared_write_buffer: Potential performance optimization.
  4. authority: Useful for routing or authentication scenarios.
  5. idle_timeout: Helps manage long-lived connections.
  6. user_agent: Allows custom identification of the client.

These additions offer more flexibility in configuring the gRPC client to suit various deployment scenarios and requirements.

Consider adding comments or documentation for each new parameter, explaining their purpose, potential values, and use cases. This will help users understand when and how to use these options effectively.

k8s/operator/helm/crds/valdrelease.yaml (3)

Line range hint 938-989: Approve new gRPC configuration options and suggest documentation

The new gRPC-related fields (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) provide more granular control over the gRPC server configuration, which is beneficial for fine-tuning performance and debugging. These additions are approved.

Consider adding inline documentation or comments for these new fields to explain their purpose and potential impact on the system. This will help users understand when and how to use these configuration options effectively.


Line range hint 2227-2339: Approve new gRPC client configuration options and suggest documentation

The new gRPC client-related fields (content_subtype, authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, shared_write_buffer, and user_agent) provide enhanced control over the gRPC client configuration. These additions are approved as they allow for more fine-grained tuning of the client behavior.

To improve usability, consider adding inline documentation or comments for these new fields. This documentation should explain:

  1. The purpose of each field
  2. The expected value types or ranges
  3. The potential impact on system behavior
  4. Any interdependencies with other configuration options

This additional information will help users make informed decisions when configuring the gRPC client.


Line range hint 938-14437: Approve consistent structure and suggest global documentation update

The new gRPC-related fields have been consistently added across various sections of the CRD (e.g., agent, gateway, manager). This consistency in naming conventions and structure is commendable as it enhances maintainability and user understanding.

To further improve the usability of this CRD:

  1. Consider creating a global documentation section that explains these new gRPC-related fields in detail. This could be added as a comment at the beginning of the file or in a separate documentation file.

  2. In each section where these fields are used, add a reference to the global documentation. This approach would reduce repetition while ensuring that users have access to comprehensive information about these configuration options.

  3. If there are any component-specific variations or considerations for these fields, make sure to highlight them in the respective sections.

This approach will make it easier for users to understand the impact of these configurations across different components of the system and make informed decisions when adjusting these settings.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 83de9c8 and 08df3ef.

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🧰 Additional context used
🪛 GitHub Check: codecov/patch
internal/net/grpc/client.go

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internal/net/grpc/option.go

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🔇 Additional comments (54)
internal/net/grpc/health/health.go (2)

21-24: LGTM: Import statements updated appropriately.

The new import for logging and the alias for the health package improve code readability and functionality.


28-28: Function signature change looks good, but verify usage.

The removal of the name parameter simplifies the function and allows for more flexible health check registration. However, ensure that all existing calls to this function have been updated accordingly.

Let's verify the usage of this function in the codebase:

✅ Verification successful

Function signature change is properly handled.

No remaining calls to Register with two arguments were found outside of health.go. The signature change in internal/net/grpc/health/health.go is verified and does not impact existing code.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for any remaining calls to Register with two arguments

# Test: Search for function calls to Register with two arguments
rg --type go 'Register\([^,]+,[^)]+\)' --glob '!internal/net/grpc/health/health.go'

Length of output: 1452

example/client/go.mod (6)

28-28: LGTM: gRPC dependency update is consistent.

The update of google.golang.org/grpc to v1.67.1 in the require section is consistent with the change in the replace directive. This patch update likely includes bug fixes or minor improvements.


37-37: LGTM: Indirect dependency update looks good.

The update of the indirect dependency golang.org/x/sys to v0.26.0 is likely a result of updating other direct dependencies. This minor version bump should not cause any issues.


38-38: LGTM: Consistent text package update.

The update of golang.org/x/text to v0.19.0 as an indirect dependency is consistent with the change in the replace directive. This ensures version consistency throughout the project.


40-41: LGTM: Consistent updates for genproto and protobuf packages.

The updates to google.golang.org/genproto/googleapis/rpc and google.golang.org/protobuf are consistent with the changes in the replace directives. The use of a specific commit hash for the genproto package is a common practice for unreleased versions.


11-18: LGTM: Dependency updates look good.

The updates to various dependencies in the replace directives are minor version bumps or patch updates, which generally indicate bug fixes or small improvements. This is a good practice to keep dependencies up-to-date.

To ensure these updates don't introduce any breaking changes, please run the following command to check for any compatibility issues:


Line range hint 1-41: Summary: Dependency updates look good overall.

The changes in this go.mod file represent routine maintenance updates to various dependencies. The updates include minor version bumps and patch updates, which generally indicate bug fixes or small improvements. The changes are consistent across replace directives, require statements, and indirect dependencies.

Key points:

  1. Updates to core Go packages (crypto, net, text, sys) should improve security and performance.
  2. The gRPC update may include important fixes or enhancements.
  3. The use of specific commit hashes for genproto packages is appropriate for unreleased versions.

These updates are likely to maintain compatibility while potentially incorporating improvements or fixes from the updated libraries. However, it's always a good practice to run tests and verify that the application still builds and functions correctly with these new versions.

To ensure overall compatibility, please run the following commands:

k8s/index/operator/deployment.yaml (1)

49-49: LGTM. Verify associated ConfigMap changes.

The update to the checksum/configmap annotation is correct and necessary to reflect changes in the associated ConfigMap. This ensures that the deployment will use the latest configuration settings.

To ensure the consistency of this change, please verify the associated ConfigMap changes using the following script:

Compare the output of the sha256sum command with the new checksum value in the deployment file to ensure they match.

k8s/discoverer/deployment.yaml (1)

49-49: LGTM! Verify associated ConfigMap changes.

The update to the checksum/configmap annotation is correct and expected when changes are made to the associated ConfigMap. This ensures that Kubernetes recognizes the configuration update and triggers a rolling update of the pods if necessary.

To ensure the consistency of this change, please verify the associated ConfigMap modifications:

k8s/gateway/gateway/mirror/deployment.yaml (1)

48-48: LGTM! Checksum update reflects ConfigMap changes.

The update to the checksum/configmap annotation is correct and necessary. This change ensures that the deployment will use the latest configuration when the pods are created or updated.

To ensure the consistency of this change, please verify the associated ConfigMap modifications. You can use the following command to check the ConfigMap:

This will display the current state of the ConfigMap, allowing you to confirm that the intended changes are present and correct.

k8s/manager/index/deployment.yaml (1)

49-49: LGTM: ConfigMap checksum update.

The update to the checksum/configmap annotation is correct and follows best practices for Kubernetes deployments. This change will trigger a rolling update of the deployment when the associated ConfigMap changes, ensuring that the pods are using the latest configuration.

To ensure consistency, let's verify if there are corresponding changes in the ConfigMap:

This script will help us confirm that the ConfigMap has indeed been updated recently, justifying the checksum change.

k8s/gateway/gateway/lb/deployment.yaml (1)

48-48: LGTM. Verify associated ConfigMap changes.

The update to the checksum/configmap annotation is correct and follows best practices for triggering rolling updates when ConfigMaps change. This change doesn't introduce any issues in the deployment configuration itself.

To ensure the integrity of the configuration, please verify the changes in the associated ConfigMap. Run the following command to inspect the ConfigMap:

Review the output to confirm that the ConfigMap changes align with the intended updates for the vald-lb-gateway.

internal/net/grpc/server.go (4)

116-119: LGTM: MaxConcurrentStreams function looks good

The MaxConcurrentStreams function is a well-implemented wrapper around the gRPC library function. The comment accurately describes its purpose, and the implementation is correct.


121-125: LGTM: NumStreamWorkers function is well-implemented

The NumStreamWorkers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a clear and accurate description of the function's purpose and behavior, including the default behavior when set to zero.


127-131: LGTM: SharedWriteBuffer function is correctly implemented

The SharedWriteBuffer function is a proper wrapper around the gRPC library function. The multi-line comment effectively explains the purpose of the function and its impact on connection behavior.


133-137: LGTM: WaitForHandlers function is well-documented and implemented

The WaitForHandlers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a comprehensive explanation of the function's purpose, its effect on the Stop method's behavior, and the default setting.

k8s/agent/ngt/configmap.yaml (3)

66-66: LGTM: Disabled shared write buffer for potential performance improvement.

Disabling the shared write buffer can reduce contention and potentially improve performance. However, be aware that this may increase memory usage as each stream will have its own buffer. Monitor the impact on memory usage after deploying this change.

To ensure this change is applied consistently, run:

#!/bin/bash
# Check if shared_write_buffer is consistently set to false across config files
rg --type yaml 'shared_write_buffer:\s*false' k8s/

67-67: LGTM: Enabled waiting for handlers during shutdown.

Enabling wait_for_handlers improves reliability by ensuring all ongoing operations complete before the server shuts down. This is a good practice for graceful shutdowns. However, be aware that it may increase the overall shutdown time. Monitor the impact on shutdown duration after deploying this change.

To ensure this change is applied consistently, run:

#!/bin/bash
# Check if wait_for_handlers is consistently set to true across config files
rg --type yaml 'wait_for_handlers:\s*true' k8s/

45-45: LGTM: Channelz enabled for improved debugging capabilities.

Enabling Channelz is beneficial for debugging gRPC connections. However, be aware that it may have a slight performance impact in production environments.

To ensure this change is consistent across the configuration, run the following command:

k8s/discoverer/configmap.yaml (2)

66-66: LGTM: Disabled shared write buffer.

The addition of shared_write_buffer: false is acceptable. This configuration can potentially improve performance by allowing each stream to have its own write buffer.

To ensure this setting doesn't negatively impact your system:

  1. Monitor memory usage after deploying this change.
  2. Conduct performance tests to verify any improvements.
  3. Consider A/B testing with shared_write_buffer: true to compare performance in your specific use case.

67-67: LGTM: Enabled waiting for handlers.

The addition of wait_for_handlers: true is a good safety measure. This ensures that the server is fully ready to handle requests before it starts serving.

To ensure this setting doesn't significantly impact your system's startup time:

  1. Monitor and compare the startup time before and after this change.
  2. If startup time increases significantly, consider if the trade-off between safety and startup speed is acceptable for your use case.
  3. Update your deployment scripts or documentation if necessary to account for any increased startup time.
k8s/gateway/gateway/mirror/configmap.yaml (4)

28-28: Review gRPC server configuration changes

The following new gRPC server options have been added:

  1. enable_channelz: true: This enables gRPC's channelz service, which is beneficial for debugging and monitoring gRPC services.
  2. num_stream_workers: 0: This setting might disable stream workers. Please confirm if this is intentional, as it could affect the server's ability to handle concurrent streams efficiently.
  3. shared_write_buffer: false: This disables shared write buffers, which might impact memory usage and performance. Consider the trade-offs of this setting.
  4. wait_for_handlers: true: This ensures the server waits for handlers to complete before shutting down, which is generally a good practice for graceful shutdowns.

Could you provide more context on the reasoning behind these changes, especially for num_stream_workers and shared_write_buffer? It would be helpful to understand the expected impact on performance and resource usage.


28-28: Review gRPC client call options changes

Two new gRPC client call options have been added:

  1. content_subtype: 0: This sets the content subtype for gRPC calls. The value 0 might indicate a default or unspecified subtype. Please clarify the intended behavior with this setting.
  2. max_call_attempts: 0: This setting might disable retry attempts for gRPC calls. If this is intentional, it could affect the reliability of gRPC calls in case of transient failures.

Could you provide more information on the reasoning behind setting max_call_attempts to 0? This change might impact the resilience of the system in the face of network issues or temporary service unavailability.


28-28: Review gRPC client dial options change

A new gRPC client dial option has been added:

  • idle_timeout: 1h: This sets the maximum amount of time a connection can be idle before it's closed.

This change can help manage resource usage for long-lived connections by closing idle connections after an hour. However, it's important to consider the trade-off between resource management and the potential overhead of re-establishing connections for intermittent traffic patterns.

Is the 1-hour idle timeout aligned with the expected traffic patterns and connection lifecycle in your system? Consider monitoring connection churn after implementing this change to ensure it doesn't negatively impact performance or introduce unnecessary reconnection overhead.


28-28: Overall configuration structure and consistency review

The new gRPC options have been integrated consistently within the existing configuration structure. The additions maintain the overall organization of the config file, which is commendable. However, there are a few points to consider:

  1. Interdependencies: Some of the new options (e.g., num_stream_workers, shared_write_buffer, max_call_attempts) might have interdependencies or conflicting effects. Ensure that these options work well together and align with the intended behavior of the system.

  2. Documentation: Consider adding comments or documentation for these new options, especially for non-obvious settings like content_subtype: 0 or num_stream_workers: 0. This will help future maintainers understand the purpose and impact of these configurations.

  3. Default values: For options like max_call_attempts: 0, it would be helpful to explicitly state if this is different from the default value and why the change was made.

Have these new options been tested in combination with the existing configuration? It would be beneficial to have some performance metrics or test results that demonstrate the impact of these changes on the system's behavior and performance.

k8s/index/job/save/configmap.yaml (3)

274-278: Verify gRPC call option settings

The addition of content_subtype: 0 in the call options is noted. This is the default value, indicating no specific content subtype for gRPC calls.

Please confirm if this default setting meets your application's requirements or if a specific content subtype is needed for your use case.


Line range hint 280-329: Review gRPC dial option changes

The new dial options provide more control over the gRPC client behavior. However, there are a few points that require attention:

  1. disable_retry: false allows for retries, which is good for reliability. Ensure this aligns with your error handling strategy.
  2. idle_timeout: 1h is a reasonable value for long-lived connections.
  3. max_call_attempts: 0 removes the limit on call attempts. This could potentially lead to excessive retries and resource consumption. Consider setting a reasonable limit.
  4. max_header_list_size: 0 removes the limit on header list size. This could potentially allow for very large headers, which might impact performance. Consider setting a reasonable limit based on your expected header sizes.
  5. user_agent: Vald-gRPC is good for identifying the client in logs and metrics.

Please review these settings and consider adding limits to max_call_attempts and max_header_list_size. Also, ensure that the retry behavior aligns with your application's requirements.

#!/bin/bash
# Check for other instances of unlimited max_call_attempts and max_header_list_size
rg --type yaml 'max_call_attempts:\s*0|max_header_list_size:\s*0' k8s/

Line range hint 45-67: Review gRPC server configuration changes

The new gRPC server configuration options enhance observability and control over the server's behavior. However, there are a few points to consider:

  1. enable_channelz: true is good for debugging but may have a slight performance impact in production.
  2. max_concurrent_streams: 0 removes the limit on concurrent streams. This could potentially lead to resource exhaustion under high load. Consider setting a reasonable limit based on your expected traffic and server capacity.
  3. wait_for_handlers: true is a good practice to ensure consistency in handler registration.

To ensure these settings are appropriate for your use case, please run load tests and monitor server performance, especially focusing on resource usage under high concurrency.

✅ Verification successful

max_concurrent_streams is consistently set to 0 across gRPC configurations

The max_concurrent_streams parameter is set to 0 in multiple gRPC configurations within the codebase, indicating that this is a standard setting intended to allow unlimited concurrent streams. If resource exhaustion is a concern, consider evaluating the server capacity and setting appropriate limits based on expected traffic and server capabilities.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Verify if max_concurrent_streams is set to 0 in other gRPC configurations
rg --type yaml 'max_concurrent_streams:\s*0' k8s/

Length of output: 36323

k8s/index/job/creation/configmap.yaml (2)

360-360: Consistent configuration across client options

The addition of content_subtype: 0 to the agent_client_options is consistent with the changes made in the discoverer client section. This consistency is good for maintaining uniform behavior across different client configurations.


45-45: Review gRPC server configuration changes

The new gRPC server configuration options enhance observability and control over server behavior. However, some settings may need further consideration:

  1. enable_channelz: true is good for debugging and observability.
  2. max_concurrent_streams: 0 removes the limit on concurrent streams. Consider setting a reasonable limit to prevent resource exhaustion.
  3. num_stream_workers: 0 might use the default value. Please clarify the intended behavior.
  4. shared_write_buffer: false is safer but might impact performance. Ensure this aligns with your performance requirements.
  5. wait_for_handlers: true is good for ensuring consistency in handler registration.

To confirm the impact of these changes, especially max_concurrent_streams and num_stream_workers, please run the following:

Also applies to: 60-60, 64-67

✅ Verification successful

Verification Confirmed

The ConfigMap at k8s/index/job/creation/configmap.yaml does not show any removed or replaced code around line 45. The addition of enable_channelz: true is properly integrated without affecting existing configurations.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for any performance tests or benchmarks related to gRPC settings
rg -i "grpc.*benchmark|performance.*test.*grpc" --type go

Length of output: 75052


Script:

#!/bin/bash
# Corrected script to search for performance tests or benchmarks related to gRPC settings
# Using grouped patterns to ensure proper matching

# Search for benchmarks related to gRPC
rg -i "grpc.*(benchmark|performance.*test)" --type go

# Additionally, search for gRPC test functions that might impact performance
rg -i "func\s+Test.*grpc.*" --type go

Length of output: 6042

k8s/manager/index/configmap.yaml (2)

45-45: Review gRPC server configuration changes

The new gRPC server configuration parameters introduce both potential benefits and risks:

  1. enable_channelz: true (line 45): This enables the gRPC channelz service, which is useful for debugging but may impact performance. Consider disabling it in production environments.

  2. max_concurrent_streams: 0 (line 60): Setting this to 0 removes the limit on concurrent streams. This could lead to resource exhaustion under high load. Consider setting a reasonable limit based on your system's capacity.

  3. num_stream_workers: 0 (line 64): The impact of this setting depends on the default behavior of your gRPC implementation. Please verify the intended behavior and consider setting an explicit value if needed.

  4. shared_write_buffer: false (line 66): This might improve memory usage but could affect performance. Evaluate the trade-off based on your specific use case.

  5. wait_for_handlers: true (line 67): This ensures all handlers are registered before serving, which can increase reliability but may slightly increase startup time.

To ensure these settings are appropriate for your use case, please run performance tests and monitor resource usage. You may also want to check the gRPC documentation for the specific version you're using to understand the default behaviors and recommended settings.

Also applies to: 60-60, 64-64, 66-67


358-358: Review agent client options changes

The new agent client options introduce changes that may affect the behavior and performance of the gRPC client:

  1. content_subtype: 0 (line 358): As with the indexer configuration, the impact of this setting depends on your specific gRPC implementation. Please verify the intended behavior for this value.

  2. write_buffer_size: 0 and read_buffer_size: 0 (lines 364-365): Setting these to 0 might mean using default values or no buffer. This could significantly affect performance and memory usage, especially for large messages or high-throughput scenarios.

To ensure these settings are appropriate:

  1. Verify the behavior of content_subtype: 0 in your gRPC implementation.
  2. Test the performance impact of the buffer size settings, especially under high load or with large messages.
  3. Consider setting explicit, non-zero values for write_buffer_size and read_buffer_size based on your expected message sizes and throughput requirements.
#!/bin/bash
# Check for other occurrences of these settings in the codebase
rg --type yaml 'content_subtype:|write_buffer_size:|read_buffer_size:' k8s/ internal/

Also applies to: 364-365

k8s/index/job/correction/configmap.yaml (5)

45-45: LGTM: New gRPC server options enhance configurability

The new gRPC server options (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) provide more fine-grained control over the gRPC server behavior. These additions allow for better performance tuning and debugging capabilities.

Also applies to: 60-60, 64-64, 66-67


274-274: LGTM: Added content subtype option for gRPC calls

The addition of content_subtype to the call options allows for specifying the content subtype for gRPC calls. The default value of 0 is appropriate as it doesn't enforce any specific subtype.


363-363: LGTM: Consistent gRPC options across components

The same gRPC call and dial options added to the corrector.gateway section have been consistently applied to the discoverer.client section. This ensures uniform behavior and configuration across different components using gRPC in the system.

Also applies to: 369-369, 374-376, 385-386, 415-415, 417-417


449-449: LGTM: Consistent gRPC call option for agent client

The content_subtype option has been added to the agent_client_options.call_option section, maintaining consistency with other gRPC client configurations in the file. This ensures uniform behavior across all gRPC clients in the system.


Line range hint 1-500: Summary: Comprehensive enhancement of gRPC configuration options

This update significantly improves the configurability of gRPC components throughout the vald-index-correction system. The changes consistently add new options for both server and client-side gRPC settings, allowing for more fine-grained control over connection behavior, performance tuning, and debugging capabilities.

Key improvements include:

  1. Enhanced server-side gRPC options
  2. Expanded client-side call and dial options
  3. Consistent application of new options across different components (corrector, discoverer, and agent client)

These changes will provide operators with greater flexibility in optimizing the system's performance and behavior in various deployment scenarios.

k8s/index/operator/configmap.yaml (1)

28-28: Overall configuration review

The changes in this ConfigMap are focused on the gRPC server configuration, which we've addressed in the previous comment. The rest of the configuration, including health checks, metrics, and job templates for index operations (creation, saving, and correction), remains unchanged. This consistency in other parts of the system is good for maintaining stability.

However, it's important to note that changes in the gRPC configuration might have indirect effects on other components. For example, the wait_for_handlers: true setting might affect the startup sequence and readiness of the entire system.

To ensure these changes don't negatively impact the system, consider running the following checks:

These checks will help identify any potential conflicts or inconsistencies with other components in the Vald system.

✅ Verification successful

Configuration Verification Successful

No conflicting hardcoded timeouts or channelz settings were found in other components that would interfere with the changes in k8s/index/operator/configmap.yaml. The existing configurations appear consistent and should maintain system stability.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check if there are any hardcoded timeouts in other components that might conflict with the new wait_for_handlers setting
rg --type yaml "timeout|initialDelaySeconds" k8s/ | grep -v "k8s/index/operator/configmap.yaml"

# Verify that no other components are explicitly setting channelz options
rg --type yaml "channelz" k8s/ | grep -v "k8s/index/operator/configmap.yaml"

Length of output: 102902

go.mod (5)

61-64: Removal of specific AWS service dependencies.

Several AWS service-specific dependencies have been removed, including:

  • github.com/aws/aws-sdk-go-v2/service/kms
  • github.com/aws/aws-sdk-go-v2/service/s3
  • github.com/aws/aws-sdk-go-v2/service/sns

This change might indicate a shift in how AWS services are being used in the project or a consolidation of AWS-related functionality.

Please review the impact of removing these specific AWS service dependencies on the project's AWS-related functionality. Run the following script to check for any remaining usage of these services in the codebase:

#!/bin/bash
# Description: Check for usage of removed AWS services in the codebase

services=("kms" "s3" "sns")

for service in "${services[@]}"; do
    echo "Checking for usage of AWS $service service"
    
    # Search for import statements
    import_count=$(rg -tc go "github.com/aws/aws-sdk-go-v2/service/$service" -g '!vendor/' | wc -l)
    echo "  Import statements found: $import_count"
    
    # Search for service client initialization
    client_count=$(rg -tc go "New$service" -g '!vendor/' | wc -l)
    echo "  Service client initializations found: $client_count"
    
    if [ $import_count -gt 0 ] || [ $client_count -gt 0 ]; then
        echo "  WARNING: Found potential usage of removed AWS $service service"
        echo "  Please review and update the following files:"
        rg -l -tc go "github.com/aws/aws-sdk-go-v2/service/$service|New$service" -g '!vendor/'
    fi
    
    echo ""
done

echo "Please ensure that all AWS service usage has been updated to use the new SDK structure or alternative implementations."

Line range hint 3-3: Go version updated to 1.23.2.

The Go version specified in the go directive has been updated to 1.23.2. This update may bring performance improvements, bug fixes, and new language features.

Please ensure that all project dependencies are compatible with Go 1.23.2 and that the project's CI/CD pipelines are updated to use this version. Run the following script to check for any potential compatibility issues:

#!/bin/bash
# Description: Check for potential compatibility issues with Go 1.23.2

echo "Checking Go version compatibility"

# Check if any dependencies have version constraints that might conflict with Go 1.23.2
go list -m -json all | jq -r 'select(.GoVersion != null and .GoVersion != "") | "\(.Path) requires Go \(.GoVersion)"'

echo ""
echo "Checking for usage of deprecated features"
rg -tc go "(?i)(deprecated|removed in 1\.23)" -g '!vendor/'

echo ""
echo "Please review any listed dependencies or deprecated feature usage and ensure compatibility with Go 1.23.2."
echo "Also, update your CI/CD pipelines and development environments to use Go 1.23.2."

425-425: New indirect dependencies added.

Several new indirect dependencies have been added to the project, including:

  • cel.dev/expr v0.16.1
  • github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.24.1
  • github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.48.1
  • github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.48.1

Please review these new dependencies to understand their purpose and potential impact on the project. Run the following script to gather information about these new packages:

#!/bin/bash
# Description: Gather information about new dependencies

declare -A repos=(
    ["cel.dev/expr"]="google/cel-go"
    ["github.com/GoogleCloudPlatform/opentelemetry-operations-go"]="GoogleCloudPlatform/opentelemetry-operations-go"
)

for package in "${!repos[@]}"; do
    repo=${repos[$package]}
    echo "Checking $package ($repo)"
    
    # Fetch repository description
    description=$(gh api repos/$repo --jq '.description')
    echo "  Description: $description"
    
    # Fetch latest release info
    latest_release=$(gh api repos/$repo/releases/latest --jq '.tag_name + " - " + .name')
    echo "  Latest release: $latest_release"
    
    # Fetch license info
    license=$(gh api repos/$repo --jq '.license.spdx_id')
    echo "  License: $license"
    
    echo ""
done

echo "Please review the purpose of these new dependencies and ensure they are necessary for the project."
echo "Also, verify that their licenses are compatible with your project's license."

Also applies to: 435-437


48-69: AWS SDK packages have been updated.

Multiple AWS SDK packages have been updated to newer versions, including:

  • github.com/aws/aws-sdk-go-v2 from v1.31.0 to v1.32.2
  • Various sub-packages of the AWS SDK have also been updated

These updates may include improvements and bug fixes for AWS-related functionality.

Please review the changes in the AWS SDK and ensure that they don't negatively impact the project's AWS-related functionality. Run the following script to check for any breaking changes or important notices in the AWS SDK changelog:

#!/bin/bash
# Description: Check for breaking changes or important notices in AWS SDK changelog

echo "Checking AWS SDK changelog for version v1.32.2"
changelog=$(gh api repos/aws/aws-sdk-go-v2/contents/CHANGELOG.md --jq '.content' | base64 -d)

search_terms=("breaking change" "important" "deprecat" "remov" "change")

for term in "${search_terms[@]}"; do
    if echo "$changelog" | grep -i -q "$term"; then
        echo "  WARNING: Found potential $term in AWS SDK changelog"
        echo "$changelog" | grep -i -C 2 "$term"
    fi
done

echo "Please review the full changelog for the AWS SDK and its sub-packages to understand all changes and their potential impact on the project."

16-18: Significant dependency version updates detected.

Several dependencies have been updated to newer versions, including:

  • cloud.google.com/go/storage from v1.43.0 to v1.44.0
  • code.cloudfoundry.org/bytefmt from v0.11.0 to v0.12.0
  • github.com/Azure/azure-sdk-for-go/sdk/azidentity from v1.7.0 to v1.8.0

These updates may include bug fixes, performance improvements, or new features. However, they might also introduce breaking changes.

Please ensure that the codebase is compatible with these new versions and conduct thorough testing, especially for the functionality related to these updated dependencies. Run the following script to check for any breaking changes or deprecation notices in the changelog or release notes of these updated packages:

Also applies to: 26-26

charts/vald/values.yaml (3)

241-265: Improved gRPC server configuration options

The new parameters added to the gRPC server configuration provide more granular control over server behavior and performance. These additions are beneficial for fine-tuning the server based on specific deployment needs:

  1. max_concurrent_streams: Allows control over resource usage per connection.
  2. num_stream_workers: Enables better management of stream handling capacity.
  3. shared_write_buffer: Potential performance optimization.
  4. wait_for_handlers: Improves graceful shutdown behavior.
  5. enable_channelz: Enhances observability for better debugging and monitoring.

These changes should lead to improved performance, resource management, and operational visibility.


Line range hint 1-3000: No changes to index manager configuration

The index manager configuration remains unchanged in this update.


Line range hint 1-3000: Summary of changes

This update primarily focuses on enhancing the gRPC server and client configurations:

  1. New gRPC server options for better performance and resource management.
  2. Additional gRPC client call and dial options for more granular control.

These changes provide more flexibility in configuring both the server and client sides of gRPC communications, allowing for better fine-tuning of performance, resource usage, and behavior in various deployment scenarios.

To ensure these new features are utilized effectively, consider updating the project documentation to include explanations and best practices for these new configuration options.

charts/vald-helm-operator/crds/valdrelease.yaml (4)

938-939: Approve new gRPC configuration options

The addition of new gRPC-related properties enhances the configurability of the Vald system. These new options include:

  1. enable_channelz: Allows for better debugging and performance analysis of gRPC.
  2. max_concurrent_streams: Controls the number of concurrent streams in a gRPC connection.
  3. num_stream_workers: Manages the number of workers handling gRPC streams.
  4. shared_write_buffer: Optimizes memory usage for write operations.
  5. wait_for_handlers: Ensures all handlers are ready before serving requests.

These additions provide more fine-grained control over gRPC behavior, potentially improving performance and debugging capabilities.

Also applies to: 974-975, 982-989


2227-2228: Approve new gRPC client configuration options

The addition of new gRPC client-related properties enhances the flexibility and control over client behavior in the Vald system. These new options include:

  1. content_subtype: Allows specifying the content subtype for gRPC communication.
  2. authority: Provides control over the :authority pseudo-header in gRPC requests.
  3. disable_retry: Offers the ability to disable automatic retries.
  4. idle_timeout: Sets the duration a connection can be idle before it's closed.
  5. max_call_attempts: Limits the number of attempts for a single RPC call.
  6. max_header_list_size: Controls the maximum size of the header list.
  7. shared_write_buffer: Optimizes memory usage for write operations across connections.
  8. user_agent: Allows setting a custom user agent string for gRPC clients.

These additions provide more granular control over gRPC client behavior, potentially improving performance, reliability, and debugging capabilities.

Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272, 2334-2335, 2338-2339


Line range hint 938-989: Commend consistency in new property additions

The new gRPC-related properties have been consistently added across various components of the Vald system, including:

  • Agent
  • Gateway
  • Discoverer
  • Index Manager
  • Backup Manager
  • Compressor
  • Meta Manager

This consistent approach ensures that all components can benefit from the enhanced gRPC configurations. It also simplifies the overall system configuration by maintaining a uniform structure across different parts of the application. This consistency will greatly aid in the maintainability and usability of the Vald system.

Also applies to: 2227-2339, 4209-4322, 5715-5827, 6099-6211, 6830-6932, 7210-7322, 8376-8488, 9679-9791, 10502-10553, 11872-11923, 12636-12687, 13766-13817, 14386-14437


Line range hint 1-14437: Summary of gRPC configuration enhancements

This update to the ValdRelease CRD significantly enhances the gRPC configuration options across all components of the Vald system. Key improvements include:

  1. Added fine-grained control over gRPC server behavior (e.g., enable_channelz, max_concurrent_streams).
  2. Enhanced gRPC client configurations for better performance and reliability (e.g., disable_retry, max_call_attempts).
  3. Improved connection management options (e.g., idle_timeout, shared_write_buffer).
  4. Consistent application of new properties across all relevant components.

These changes provide users with more tools to optimize their Vald deployment for specific use cases, potentially improving performance, debugging capabilities, and overall system reliability. The additions are non-breaking and maintain backward compatibility with existing configurations.

Consider updating the documentation to explain these new options and provide guidance on their optimal use.

k8s/operator/helm/crds/valdrelease.yaml (1)

Line range hint 1-14437: Summary of ValdRelease CRD updates

The changes to the ValdRelease Custom Resource Definition (CRD) primarily focus on enhancing gRPC configuration options. These updates provide more granular control over both gRPC server and client behaviors across various components of the system (agent, gateway, manager, etc.).

Key points:

  1. New fields added for fine-tuning gRPC server and client configurations.
  2. Consistent structure and naming conventions maintained throughout the CRD.
  3. The additions allow for better performance tuning, debugging, and customization of gRPC communications.

Recommendations:

  1. Add comprehensive documentation for the new fields, explaining their purpose, expected values, and potential impacts.
  2. Consider creating a centralized documentation section for common gRPC configurations, with references from individual component sections.
  3. Highlight any component-specific variations or considerations for these new fields.

Overall, these changes are well-structured and will provide users with more flexibility in configuring their Vald deployments. The consistent approach across different components is particularly commendable.

internal/config/grpc.go (1)

249-249: Review usage of grpc.WithMaxCallAttempts

The option grpc.WithMaxCallAttempts is experimental and may not be suitable for production use. It requires proper configuration of the retry policy in the gRPC ServiceConfig. Verify that your service configuration includes the necessary retry policies, or consider removing this option if not needed.

Would you like assistance in verifying the retry policy configuration?

.gitfiles (1)

1164-1164: Ensure proper registration of channelz service

The addition of internal/net/grpc/channelz/channelz.go suggests that gRPC Channelz support is being introduced. Please verify that the channelz service is correctly registered with the gRPC server to enable monitoring and diagnostics of channel states.

Run the following script to check for the registration of the Channelz service:

k8s/discoverer/configmap.yaml Show resolved Hide resolved
k8s/index/job/creation/configmap.yaml Show resolved Hide resolved
k8s/manager/index/configmap.yaml Show resolved Hide resolved
internal/net/grpc/option.go Show resolved Hide resolved
internal/config/grpc.go Show resolved Hide resolved
internal/servers/server/option.go Show resolved Hide resolved
internal/servers/server/option.go Show resolved Hide resolved
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internal/net/grpc/client.go Show resolved Hide resolved
@kpango kpango force-pushed the feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received branch from 08df3ef to 2d8ed01 Compare October 8, 2024 22:12
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Actionable comments posted: 15

🧹 Outside diff range and nitpick comments (15)
internal/net/grpc/health/health.go (1)

29-35: LGTM: Improved health check implementation with a minor suggestion.

The new implementation of the Register function is more comprehensive and follows gRPC health check best practices:

  • It creates a health server and registers it with the provided gRPC server.
  • It sets the serving status for all registered services.
  • It adds debug logging for better observability.
  • It sets a default serving status (empty string).

These changes improve the overall health check functionality and observability of the system.

Consider adding error handling for the SetServingStatus calls. Although these calls are unlikely to fail, it's a good practice to handle potential errors, especially in critical components like health checks.

Here's a suggested improvement:

 for api := range srv.GetServiceInfo() {
-    hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING)
+    if err := hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING); err != nil {
+        log.Errorf("Failed to set serving status for %s: %v", api, err)
+    }
     log.Debug("Registered health check for service: " + api)
 }
-hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
+if err := hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING); err != nil {
+    log.Error("Failed to set default serving status: %v", err)
+}
internal/db/rdb/mysql/dbr/dbr.go (1)

62-68: Approve with suggestions: Enhance documentation and consider function placement

The implementation of prepareSelect is correct and utilizes Go's generics feature effectively. However, I have a few suggestions to improve its clarity and maintainability:

  1. Add documentation to explain the function's purpose and usage. This will help other developers understand when and how to use this utility.

  2. Consider renaming the function to better reflect its general-purpose nature. The current name "prepareSelect" might be misleading as it doesn't directly relate to SQL SELECT operations. A more generic name like convertToAnySlice or eraseSliceType might be more appropriate.

  3. Could you clarify the intended use of this function? Given that it's not currently used within this file, it might be beneficial to move it to a separate utility package if it's meant to be used across different parts of the codebase.

Here's an example of how you might implement these suggestions:

// convertToAnySlice converts a slice of any type T to a slice of empty interfaces ([]any).
// This can be useful when preparing data for operations that require type erasure,
// such as certain database queries or generic data processing functions.
//
// Example usage:
//
//	intSlice := []int{1, 2, 3}
//	anySlice := convertToAnySlice(intSlice...)
func convertToAnySlice[T any](a ...T) (b []any) {
	b = make([]any, len(a))
	for i := range a {
		b[i] = a[i]
	}
	return b
}
internal/net/grpc/server.go (1)

139-178: LGTM with suggestion: Comprehensive API reference comment block

The API reference comment block provides a clear and valuable overview of the gRPC server options, categorizing them into implemented, unnecessary, experimental, and deprecated APIs. This information is crucial for maintaining and evolving the package.

Suggestion for improvement:
Consider adding a brief explanation for why certain APIs are categorized as "Unnecessary for this package". This would provide more context for other developers working on the project.

k8s/index/job/creation/configmap.yaml (1)

Line range hint 1-424: Summary of ConfigMap changes

The changes to this ConfigMap introduce more granular control over gRPC server and client behavior for the vald-index-creation component. These modifications allow for fine-tuning of performance, reliability, and debugging capabilities.

Key points:

  1. New server-side gRPC options provide better control over stream handling and server startup behavior.
  2. Client-side gRPC options have been expanded, offering more detailed configuration for connection management and request handling.

While these changes offer more flexibility, they also increase the configuration complexity. Consider the following recommendations:

  1. Document the rationale behind chosen values, especially for critical settings like max_concurrent_streams and num_stream_workers.
  2. Develop a testing strategy to validate the impact of these configurations on system performance and reliability.
  3. Consider creating a separate document or comments explaining the trade-offs and best practices for adjusting these settings in different deployment scenarios.

These enhancements to the configuration will likely improve the adaptability of the vald-index-creation component to various operational requirements. Ensure thorough testing and monitoring when deploying these changes to production environments.

k8s/gateway/gateway/lb/configmap.yaml (2)

Line range hint 45-68: LGTM. Consider updating documentation for new gRPC options.

The new gRPC server configuration options provide more granular control over server behavior, which can potentially improve performance and reliability. These additions look good and align with best practices for configuring gRPC servers.

To ensure proper usage and understanding of these new options, consider updating the project documentation to explain:

  1. The purpose and impact of each new option (e.g., enable_channelz, max_concurrent_streams, etc.).
  2. Recommended values or ranges for these options.
  3. Any potential performance implications or trade-offs.

Line range hint 280-297: LGTM. Consider impact of certain dial options.

The new gRPC dial options provide more control over connection behavior, which is good for fine-tuning performance and reliability. These additions align with standard gRPC options.

Please consider the following:

  1. The disable_retry option, when set to false, enables retries. Ensure this aligns with the desired behavior for error handling and resilience.
  2. The idle_timeout of 1h is quite long. Consider if this is appropriate for your use case, as it may impact resource usage.
  3. The max_header_list_size of 0 means using the default. Confirm if this is intentional or if a specific size limit is needed.

It might be beneficial to add comments explaining the rationale behind these specific values in the configuration file.

k8s/index/job/correction/configmap.yaml (1)

Line range hint 1-507: Overall review of gRPC configuration updates

This update significantly enhances the gRPC configuration options for the vald-index-correction component. The changes provide more fine-grained control over both server and client behavior, which can lead to improved performance and reliability when properly tuned.

Key points:

  1. New server options allow for better control over channelz, concurrent streams, and shutdown behavior.
  2. Client options have been expanded to include content subtype, authority, retry behavior, and timeouts.
  3. Most changes are consistent across different components (corrector, discoverer), which is good for maintainability.

To further improve this configuration:

  1. Consider extracting common gRPC options into a shared configuration section to reduce duplication and ease future updates.
  2. Ensure consistency across all components by updating the agent_client_options section to match the others.
  3. Document the purpose and impact of each new configuration option, either in comments within this file or in separate documentation.
  4. Plan for performance testing with various combinations of these new settings to determine the optimal configuration for your specific use case.
  5. Consider implementing a validation step in your deployment process to ensure that all required options are properly set and consistent across components.

These enhancements will make the configuration more maintainable, consistent, and easier to optimize for performance.

internal/net/grpc/option.go (4)

217-243: Consider moving API documentation to a separate file

This extensive API reference comment provides valuable information but may be better suited in a separate documentation file. This would improve code readability while still maintaining the information for developers.

Consider creating a separate markdown file (e.g., grpc_api_reference.md) in the project's documentation directory and moving this comment there. You can then add a short comment here pointing to that file for reference.


246-252: Simplify condition in WithCallOptions

The condition for checking g.copts can be simplified. The check g.copts != nil is redundant when also checking len(g.copts) > 0.

Consider simplifying the condition as follows:

 func WithCallOptions(opts ...grpc.CallOption) Option {
 	return func(g *gRPCClient) {
-		if g.copts != nil && len(g.copts) > 0 {
+		if len(g.copts) > 0 {
 			g.copts = append(g.copts, opts...)
 		} else {
 			g.copts = opts
 		}
 	}
 }

307-358: Move API documentation to a separate file

This extensive API reference comment, like the previous one, provides valuable information but would be better suited in a separate documentation file. This would improve code readability while still maintaining the information for developers.

Consider moving this comment block to the same separate markdown file suggested earlier (e.g., grpc_api_reference.md) in the project's documentation directory. You can then add a short comment here pointing to that file for reference.


362-368: Simplify condition in WithDialOptions

The condition for checking g.dopts can be simplified. The check g.dopts != nil is redundant when also checking len(g.dopts) > 0.

Consider simplifying the condition as follows:

 func WithDialOptions(opts ...grpc.DialOption) Option {
 	return func(g *gRPCClient) {
-		if g.dopts != nil && len(g.dopts) > 0 {
+		if len(g.dopts) > 0 {
 			g.dopts = append(g.dopts, opts...)
 		} else {
 			g.dopts = opts
 		}
 	}
 }
charts/vald/values.yaml (2)

756-758: New gRPC client call option: content_subtype

The addition of the content_subtype parameter to the gRPC client call options allows for specifying custom content subtypes for gRPC calls. This can be useful for versioning of message formats or supporting custom content types.

Consider adding more information about possible values or use cases for the content_subtype parameter in the comments to guide users on how to effectively use this option.


Line range hint 776-817: Enhanced gRPC client dial options

The new gRPC client dial options provide more control over connection behavior and retry mechanisms:

  1. max_header_list_size: Controls the maximum size of the header list.
  2. max_call_attempts: Limits the number of call attempts.
  3. disable_retry: Allows disabling retry functionality.
  4. shared_write_buffer: Enables write buffer sharing for potential performance improvements.
  5. authority: Specifies the authority for the connection.
  6. idle_timeout: Sets the idle timeout for the connection.
  7. user_agent: Allows setting a custom user agent string.

These additions offer more flexibility in configuring the gRPC client behavior, potentially improving performance and reliability.

Consider adding default values in the comments for these new parameters to provide users with a better understanding of the default behavior and how they might want to adjust these values for their specific use cases.

internal/net/grpc/pool/pool.go (1)

Line range hint 601-642: Refactor getHealthyConn to use iteration instead of recursion

The getHealthyConn function uses recursion to retry finding a healthy connection. For large values of retry, this could lead to stack overflows. It is recommended to refactor the function to use an iterative approach to prevent potential stack overflows and improve performance.

Here's a possible refactoring:

 func (p *pool) getHealthyConn(
     ctx context.Context, cnt, retry uint64,
 ) (idx int, conn *ClientConn, ok bool) {
     if p == nil || p.closing.Load() {
         return 0, nil, false
     }
-    select {
-    case <-ctx.Done():
-        return 0, nil, false
-    default:
-    }
-    pl := p.Len()
-    if retry <= 0 || retry > math.MaxUint64-pl || pl <= 0 {
-        // existing logic
-    }
-
-    if pl > 0 {
-        idx = int(p.current.Add(1) % pl)
-        if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
-            return idx, pc.conn, true
-        }
-    }
-    retry--
-    cnt++
-    return p.getHealthyConn(ctx, cnt, retry)
+    for cnt < retry {
+        select {
+        case <-ctx.Done():
+            return 0, nil, false
+        default:
+        }
+        pl := p.Len()
+        if pl == 0 {
+            return 0, nil, false
+        }
+        idx = int(p.current.Add(1) % pl)
+        if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
+            return idx, pc.conn, true
+        }
+        cnt++
+    }
+    return 0, nil, false
 }
.gitfiles (1)

Line range hint 1-1742: Consider removing the .gitfiles file to avoid redundancy

The .gitfiles file contains a list of all files and directories in the repository. Since Git inherently tracks all files and their changes, maintaining a separate .gitfiles file may be redundant and could become outdated as the project evolves. Relying on Git's built-in mechanisms ensures accuracy and reduces maintenance overhead.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 08df3ef and 2d8ed01.

⛔ Files ignored due to path filters (21)
  • apis/grpc/v1/agent/core/agent.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
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  • apis/grpc/v1/rpc/errdetails/error_details.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
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  • apis/grpc/v1/vald/insert.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/object.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/remove.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/search.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/update.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • apis/grpc/v1/vald/upsert.pb.go is excluded by !**/*.pb.go, !**/*.pb.go
  • example/client/go.sum is excluded by !**/*.sum
  • go.sum is excluded by !**/*.sum
  • rust/Cargo.lock is excluded by !**/*.lock
📒 Files selected for processing (59)
  • .gitfiles (1 hunks)
  • charts/vald-helm-operator/crds/valdrelease.yaml (94 hunks)
  • charts/vald/values.schema.json (107 hunks)
  • charts/vald/values.yaml (4 hunks)
  • dockers/agent/core/agent/Dockerfile (1 hunks)
  • dockers/agent/core/faiss/Dockerfile (1 hunks)
  • dockers/agent/core/ngt/Dockerfile (1 hunks)
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  • dockers/discoverer/k8s/Dockerfile (1 hunks)
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  • dockers/gateway/mirror/Dockerfile (1 hunks)
  • dockers/index/job/correction/Dockerfile (1 hunks)
  • dockers/index/job/creation/Dockerfile (1 hunks)
  • dockers/index/job/readreplica/rotate/Dockerfile (1 hunks)
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  • dockers/index/operator/Dockerfile (1 hunks)
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  • dockers/operator/helm/Dockerfile (1 hunks)
  • dockers/tools/benchmark/job/Dockerfile (1 hunks)
  • dockers/tools/benchmark/operator/Dockerfile (1 hunks)
  • dockers/tools/cli/loadtest/Dockerfile (1 hunks)
  • example/client/go.mod (3 hunks)
  • go.mod (12 hunks)
  • internal/config/grpc.go (3 hunks)
  • internal/config/server.go (4 hunks)
  • internal/db/rdb/mysql/dbr/dbr.go (1 hunks)
  • internal/db/rdb/mysql/dbr/session.go (1 hunks)
  • internal/db/rdb/mysql/dbr/tx.go (1 hunks)
  • internal/net/grpc/channelz/channelz.go (1 hunks)
  • internal/net/grpc/client.go (1 hunks)
  • internal/net/grpc/health/health.go (1 hunks)
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  • internal/net/grpc/option.go (7 hunks)
  • internal/net/grpc/pool/pool.go (2 hunks)
  • internal/net/grpc/server.go (1 hunks)
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  • k8s/agent/ngt/configmap.yaml (2 hunks)
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  • k8s/index/job/correction/configmap.yaml (9 hunks)
  • k8s/index/job/creation/configmap.yaml (6 hunks)
  • k8s/index/job/save/configmap.yaml (6 hunks)
  • k8s/index/operator/configmap.yaml (1 hunks)
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  • k8s/manager/index/deployment.yaml (1 hunks)
  • k8s/operator/helm/crds/valdrelease.yaml (94 hunks)
🚧 Files skipped from review as they are similar to previous changes (38)
  • dockers/agent/core/agent/Dockerfile
  • dockers/agent/core/faiss/Dockerfile
  • dockers/agent/core/ngt/Dockerfile
  • dockers/agent/sidecar/Dockerfile
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  • dockers/discoverer/k8s/Dockerfile
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  • example/client/go.mod
  • go.mod
  • internal/net/grpc/channelz/channelz.go
  • internal/net/grpc/client.go
  • internal/net/grpc/health/health_test.go
  • internal/servers/server/server.go
  • k8s/discoverer/configmap.yaml
  • k8s/discoverer/deployment.yaml
  • k8s/gateway/gateway/lb/deployment.yaml
  • k8s/gateway/gateway/mirror/configmap.yaml
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  • k8s/manager/index/configmap.yaml
  • k8s/manager/index/deployment.yaml
🧰 Additional context used
🔇 Additional comments (63)
charts/vald/values.schema.json (7)

1419-1422: Approve the addition of the enable_channelz option

The new enable_channelz option for the gRPC server is a valuable addition. It allows users to toggle the gRPC channelz feature, which can be useful for debugging and monitoring gRPC services.


1485-1488: Approve the addition of the max_concurrent_streams option

The new max_concurrent_streams option for the gRPC server is a valuable addition. It allows users to control the maximum number of concurrent streams, which can be crucial for managing server resources and optimizing performance.


1501-1516: Approve the addition of new gRPC server options

The new options num_stream_workers, shared_write_buffer, and wait_for_handlers are excellent additions to the gRPC server configuration:

  1. num_stream_workers allows fine-tuning of concurrency.
  2. shared_write_buffer can potentially improve performance through buffer sharing.
  3. wait_for_handlers provides control over the server's shutdown behavior.

These options enhance the configurability and performance tuning capabilities of the gRPC server.


3681-3692: Approve the addition of new gRPC client dial options

The new options disable_retry and idle_timeout are valuable additions to the gRPC client dial options:

  1. disable_retry allows users to turn off retry attempts, which can be useful in certain scenarios where retries are not desired.
  2. idle_timeout enables setting an idle timeout for the gRPC client, which can help in managing resources efficiently.

These options enhance the configurability and resource management capabilities of the gRPC client.


3730-3737: Approve the addition of max_call_attempts and max_header_list_size options

The new options max_call_attempts and max_header_list_size are excellent additions to the gRPC client dial options:

  1. max_call_attempts allows users to limit the number of call attempts, preventing excessive retries and potentially improving system stability.
  2. max_header_list_size enables setting a maximum size for the header list, which can help prevent potential DoS attacks and control resource usage.

These options further enhance the configurability and security aspects of the gRPC client.


3855-3866: Approve the addition of shared_write_buffer and user_agent options

The new options shared_write_buffer and user_agent are valuable additions to the gRPC client dial options:

  1. shared_write_buffer allows users to control write buffer sharing, which can potentially improve performance in certain scenarios.
  2. user_agent enables setting a custom user agent string, which can be useful for client identification, debugging, and tracking in distributed systems.

These options further enhance the configurability and observability of the gRPC client.


Line range hint 4765-24776: Approve consistent additions across the configuration schema

The remaining changes in this file consistently apply the same new gRPC server and client options throughout different sections of the configuration schema. This systematic update ensures that all relevant parts of the configuration have been updated with the new options, maintaining consistency across the entire schema.

The additions include:

  1. For gRPC servers:

    • enable_channelz
    • max_concurrent_streams
    • num_stream_workers
    • shared_write_buffer
    • wait_for_handlers
  2. For gRPC clients:

    • content_subtype (note: this still needs clarification as mentioned earlier)
    • authority
    • disable_retry
    • idle_timeout
    • max_call_attempts
    • max_header_list_size
    • shared_write_buffer
    • user_agent

These consistent changes improve the overall configurability of the system.

internal/net/grpc/health/health.go (2)

21-24: LGTM: Import statements updated appropriately.

The import statements have been updated to include the necessary packages for the new implementation. The alias for the health package (healthpb) is a good practice to avoid naming conflicts.


28-28: Verify impact of function signature change.

The Register function signature has changed from func Register(name string, srv *grpc.Server) to func Register(srv *grpc.Server). This change removes the name parameter, which might affect existing code that calls this function.

Please ensure that all calls to this function in the codebase have been updated accordingly. Run the following script to check for any remaining calls with the old signature:

internal/db/rdb/mysql/dbr/session.go (1)

45-45: Conditional approval: Please provide more context on prepareSelect

The change introduces a new prepareSelect function to process column names before passing them to sess.Session.Select. This could potentially alter the behavior of all Select calls in the application.

  1. Could you please provide more information about the prepareSelect function? What does it do, and why was this change necessary?
  2. Consider adding a comment above this line to explain the purpose of using prepareSelect.

To verify the implementation of prepareSelect, please run the following script:

internal/db/rdb/mysql/dbr/tx.go (1)

68-68: Approved with suggestions: Clarify prepareSelect and ensure consistency

The change to wrap the column arguments with prepareSelect looks good, as it likely adds preprocessing or sanitization to the column names. However, I have a few suggestions:

  1. Please provide more information about the prepareSelect function. What does it do exactly, and where is it defined?
  2. Ensure that this change is consistent across all uses of Select in the codebase to maintain uniform behavior.
  3. If the behavior of Select has changed significantly due to prepareSelect, consider updating the method's documentation to reflect this.

To verify the consistency of this change, please run the following script:

This script will help us understand how widely this change has been applied and locate the definition of prepareSelect.

✅ Verification successful

Verification Successful: prepareSelect is Defined and Consistently Utilized

The prepareSelect function has been located in dbr.go:62 and is consistently used in the Select methods within both tx.go:68 and session.go:45. This ensures that column arguments are properly preprocessed across the codebase, maintaining uniform behavior and enhancing security.

No issues were found based on the current analysis.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for other occurrences of Select method calls in the codebase
# and verify if they also use prepareSelect

# Search for Select method calls
echo "Searching for Select method calls:"
rg --type go -n 'Select\(' -A 3

# Search for prepareSelect function calls
echo "\nSearching for prepareSelect function calls:"
rg --type go -n 'prepareSelect\('

# Search for the definition of prepareSelect
echo "\nSearching for the definition of prepareSelect:"
rg --type go -n 'func prepareSelect\('

Length of output: 7603


Script:

#!/bin/bash
# Description: Comprehensive search for all occurrences of 'prepareSelect' in the codebase.

# Search for any occurrence of 'prepareSelect'
echo "Searching for all occurrences of 'prepareSelect':"
rg 'prepareSelect' -n

Length of output: 389

dockers/index/operator/Dockerfile (3)

Line range hint 1-87: Excellent improvements to build process and runtime environment

The Dockerfile has undergone significant positive changes:

  1. The base image change from ghcr.io/vdaas/vald/vald-buildbase:nightly to gcr.io/distroless/static:nonroot enhances security by reducing the attack surface. This is a best practice for production containers.

  2. The build process has been optimized with multiple --mount options, which should improve build efficiency and caching. This is particularly beneficial for CI/CD pipelines.

  3. The final stage has been updated to ensure proper placement of the compiled binary and configuration file, which is crucial for correct application execution.

These changes reflect a comprehensive update that enhances both the build process and the runtime environment for the index-operator.


88-88: LGTM: Proper ENTRYPOINT configuration

The ENTRYPOINT has been correctly set to execute the index-operator binary. This ensures that the container will run the application as intended when started. The addition of a newline at the end of the file is a good practice in file formatting.


Line range hint 1-88: Overall approval: Significant improvements to Dockerfile

This Dockerfile update represents a comprehensive improvement to the build and runtime configuration for the index-operator application. Key enhancements include:

  1. Improved security with the use of a distroless base image.
  2. Optimized build process with efficient caching and temporary file management.
  3. Streamlined package installation and configuration.
  4. Proper placement of the compiled binary and configuration file in the final image.
  5. Correct ENTRYPOINT configuration for application execution.

These changes align with best practices for Docker image creation and should result in a more efficient, secure, and reliable container for the index-operator.

internal/net/grpc/server.go (4)

116-119: LGTM: MaxConcurrentStreams function looks good

The MaxConcurrentStreams function is a well-implemented wrapper around the gRPC library function. The comment accurately describes its purpose, and the implementation is correct.


121-125: LGTM: NumStreamWorkers function is well-implemented

The NumStreamWorkers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a clear and accurate description of the function's purpose and behavior, including the default behavior when set to zero.


127-131: LGTM: SharedWriteBuffer function is correctly implemented

The SharedWriteBuffer function is a proper wrapper around the gRPC library function. The multi-line comment effectively explains the purpose and behavior of the function, including the effect of setting the value to true.


133-137: LGTM: WaitForHandlers function is well-documented and implemented

The WaitForHandlers function is correctly implemented as a wrapper around the gRPC library function. The multi-line comment provides a comprehensive explanation of the function's purpose, behavior, and default setting. The implementation is accurate.

k8s/agent/ngt/configmap.yaml (3)

45-45: LGTM: Channelz enabled for improved debugging capabilities.

Enabling Channelz is beneficial for runtime debugging and performance tuning of gRPC services. However, be aware that it may introduce a slight performance overhead in production environments.


66-66: LGTM: Disabled shared write buffer for potential performance improvement.

Disabling the shared write buffer can potentially improve performance by reducing contention between connections. However, be aware that this may increase memory usage as each connection will have its own buffer.


67-67: LGTM: Enabled waiting for handlers during shutdown.

Enabling wait_for_handlers improves graceful shutdown behavior by ensuring that ongoing requests are completed before the server stops. This can enhance reliability and prevent request failures during deployments or restarts.

Note: Be aware that this setting may potentially increase shutdown time if there are long-running handlers. Consider implementing timeouts for your handlers to prevent excessively long shutdown periods.

internal/config/grpc.go (4)

42-46: LGTM: Enhanced CallOption configuration

The addition of the ContentSubtype field to the CallOption struct improves the flexibility of gRPC call configurations. This change allows users to specify the content subtype for gRPC calls, which can be useful for certain scenarios.


51-73: LGTM: Greatly enhanced DialOption configuration

The DialOption struct has been significantly expanded with numerous new fields. These additions provide much more granular control over gRPC client connection behavior, including:

  1. Retry and backoff settings
  2. Connection window sizes
  3. Header list size limits
  4. Buffer sizes
  5. Timeouts and keepalive settings
  6. User agent and authority specifications
  7. Interceptor configuration

This enhancement allows for more precise tuning of gRPC client connections, which can lead to improved performance and reliability in various network conditions.


163-165: LGTM: Updated DialOption.Bind method

The Bind method for DialOption has been correctly updated to include the new fields: Authority, UserAgent, and IdleTimeout. This ensures that these new configuration options are properly initialized with their actual values.


Line range hint 1-300: Overall: Significant improvements to gRPC client configuration

This update to the gRPC client configuration is a substantial improvement. The changes introduce a wide range of new configuration options, allowing for much more fine-grained control over gRPC client behavior. This enhanced flexibility can lead to better performance tuning and more robust client implementations.

Key improvements include:

  1. Extended CallOption with content subtype configuration.
  2. Greatly expanded DialOption with numerous new fields for detailed connection control.
  3. Updated Bind and Opts methods to support the new configuration options.

While a few minor issues were identified (such as the use of deprecated options and a couple of small mistakes), these can be easily addressed with the suggested fixes in the previous comments.

Overall, this is a valuable update that significantly enhances the capabilities of the gRPC client configuration in this project.

k8s/index/job/save/configmap.yaml (3)

274-278: Clarify the purpose of content_subtype in call_option

The addition of content_subtype: 0 in the call_option configuration needs clarification:

  1. The value 0 might indicate using a default content subtype, but its specific meaning and impact on the system are unclear.
  2. It's important to understand how this setting affects the communication between components in the Vald system.

Please provide more context on the following:

  1. What does the value 0 represent for content_subtype?
  2. How does this setting impact the communication protocol or message format?
  3. Are there any specific requirements or expectations from other components in the system regarding this setting?
#!/bin/bash
# Check for other occurrences of content_subtype in the codebase
rg --type yaml 'content_subtype:' -C 3

Line range hint 280-328: Review dial_option configuration changes

The new dial_option configuration introduces several important settings:

  1. authority: "" might use a default value, but its specific impact needs clarification.
  2. disable_retry: false allows retries, which can improve reliability but might mask underlying issues.
  3. idle_timeout: 1h seems reasonable but may need adjustment based on your specific use case.
  4. max_call_attempts: 0 could mean unlimited attempts, potentially leading to resource exhaustion.
  5. max_header_list_size: 0 might mean no limit, which could lead to security issues or resource exhaustion.
  6. shared_write_buffer: false is safer but might affect performance.
  7. user_agent: Vald-gRPC is good for identifying the client in logs and metrics.

Consider the following actions:

  1. Clarify the impact of an empty authority string in your system.
  2. Evaluate if unlimited retries (disable_retry: false and max_call_attempts: 0) are appropriate for your use case.
  3. Assess if the idle_timeout of 1 hour aligns with your expected connection patterns.
  4. Consider setting a reasonable limit for max_header_list_size to prevent potential abuse.
  5. Evaluate the performance impact of shared_write_buffer: false in your specific use case.
#!/bin/bash
# Check for other occurrences of these dial options in the codebase
rg --type yaml 'dial_option:' -A 15 -C 3

Line range hint 45-67: Review gRPC server configuration changes

The new gRPC server configuration options introduce both benefits and potential concerns:

  1. enable_channelz: true is useful for debugging but may impact performance in production.
  2. max_concurrent_streams: 0 removes the limit on concurrent streams, which could lead to resource exhaustion under high load.
  3. num_stream_workers: 0 might use the default value, but the implications depend on the gRPC library's behavior.
  4. shared_write_buffer: false is safer but might affect performance.
  5. wait_for_handlers: true ensures all handlers are ready before serving requests, which is a good practice.

Consider the following actions:

  1. Verify if enable_channelz is necessary in production or should be conditionally enabled.
  2. Evaluate setting a reasonable limit for max_concurrent_streams based on expected load and available resources.
  3. Determine the optimal value for num_stream_workers based on the system's capabilities.
  4. Assess the performance impact of shared_write_buffer: false in your specific use case.
k8s/index/job/creation/configmap.yaml (1)

274-274: Additional gRPC client configuration review

I acknowledge the existing review comment on this section. In addition to those points, please consider the following:

  1. authority: "": An empty authority string is used. This might be intentional, but consider if a specific authority should be set for your use case.

  2. shared_write_buffer: false: This setting is consistent with the server configuration. Ensure this aligns with your performance and safety requirements across the entire system.

The other new configurations appear reasonable and align with typical gRPC client settings. Please ensure all these settings are thoroughly tested in your environment to confirm they meet your performance and reliability requirements.

Also applies to: 280-287, 296-297, 326-328

k8s/gateway/gateway/lb/configmap.yaml (5)

328-328: LGTM. Good addition of custom User-Agent.

Setting a custom User-Agent ("Vald-gRPC") is a good practice. It helps identify the client in network requests and can be useful for debugging and monitoring.


Line range hint 360-383: LGTM. Consistent with earlier changes.

The changes in the agent client options are consistent with those made earlier for the discoverer client. This uniformity is good for maintaining consistency across different client configurations.

Please refer to the previous comments regarding the consideration of certain dial options and their potential impact on connection behavior.


414-414: LGTM. Consistent User-Agent across clients.

The addition of the same User-Agent ("Vald-gRPC") to the agent client options is consistent with the earlier change. Using the same User-Agent across different clients in the same application is a good practice for consistency in identification and monitoring.


Line range hint 45-414: Overall LGTM. Suggest thorough testing of new gRPC configurations.

The changes introduce more granular control over gRPC behavior across both server and client configurations. This can be beneficial for performance tuning and debugging. The consistency of changes across different sections (discoverer client, agent client) is good for maintainability.

Given the breadth of these changes and their potential impact on system behavior, I recommend:

  1. Thorough testing of the system with these new configurations, especially focusing on:

    • Connection management (affected by idle_timeout, max_concurrent_streams, etc.)
    • Error handling and retries (affected by disable_retry, max_call_attempts, etc.)
    • Performance under various load conditions
  2. Monitoring the system closely after deployment to ensure these changes don't negatively impact performance or reliability.

  3. Updating relevant documentation to reflect these new configuration options and their impacts.

To assist with testing, consider running the following command to identify test files that may need updating or expansion:

#!/bin/bash
# Description: Find gRPC-related test files that might need updating

echo "Searching for gRPC-related test files:"
fd -e go -e rs --type f | rg '(_test\.(go|rs)$)' | rg -i 'grpc'

This will help identify test files that may need to be updated to cover the new gRPC configuration options.


274-278: LGTM. Verify usage of new call options in the code.

The new gRPC call options provide more control over client-side behavior, which is good for fine-tuning performance and reliability. These additions align with standard gRPC options.

To ensure these new options are being used correctly, let's verify their usage in the code:

✅ Verification successful

The previous shell script encountered a syntax error. Here's the corrected version to verify the usage of the new gRPC call options in the codebase:

[/run_scripts]


Corrected shell script to verify usage of new gRPC call options:

[/run_scripts]


To ensure the new gRPC call options are properly utilized in the production code, please run the following script to search exclusively in non-test Go files:

[/run_scripts]


Verified.

The configuration changes do not remove or replace existing code and correctly add the new gRPC call options in the production codebase.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the usage of new gRPC call options in the codebase.

# Search for usage of the new options in Go files
echo "Searching for usage of new gRPC call options:"
rg --type go -e 'ContentSubtype' -e 'MaxRecvMsgSize' -e 'MaxRetryRPCBufferSize' -e 'MaxSendMsgSize' -e 'WaitForReady'

Length of output: 3350


Script:

#!/bin/bash
# Description: Verify the usage of new gRPC call options in the codebase.

# Search for usage of the new options in Go files
echo "Searching for usage of new gRPC call options:"
rg --type go -e 'ContentSubtype' -e 'MaxRecvMsgSize' -e 'MaxRetryRPCBufferSize' -e 'MaxSendMsgSize' -e 'WaitForReady'

Length of output: 6973


Script:

#!/bin/bash
# Description: Verify the usage of new gRPC call options in the codebase.

# Search for usage of the new options in Go files using file extension pattern
echo "Searching for usage of new gRPC call options:"
rg -g "*.go" -e 'ContentSubtype' -e 'MaxRecvMsgSize' -e 'MaxRetryRPCBufferSize' -e 'MaxSendMsgSize' -e 'WaitForReady'

Length of output: 6973


Script:

#!/bin/bash
# Description: Verify the usage of new gRPC call options in production code by excluding test files.

# Search for usage of the new options in Go files, excluding test files
echo "Searching for usage of new gRPC call options in production code:"
rg -g "*.go" -g "!*_test.go" -e 'ContentSubtype' -e 'MaxRecvMsgSize' -e 'MaxRetryRPCBufferSize' -e 'MaxSendMsgSize' -e 'WaitForReady'

Length of output: 3326

internal/net/grpc/option.go (3)

256-262: LGTM: CallContentSubtype implementation

The implementation of CallContentSubtype is well-structured. It properly initializes g.copts if needed and uses a constant for the initial capacity, which is a good practice.


519-530: LGTM: WithAuthority implementation

The implementation of WithAuthority is well-structured and consistent with other option functions. It correctly checks for a non-empty authority string before adding the option and properly initializes g.dopts if needed.


622-624: LGTM: WithClientInterceptors initialization

The addition of g.dopts initialization in the WithClientInterceptors function is a good improvement. It ensures that g.dopts is always properly initialized before potentially appending options in the subsequent loop, preventing potential nil pointer dereferences.

charts/vald/values.yaml (2)

241-265: Improved gRPC server configuration options

The new gRPC server configuration parameters provide more fine-grained control over server behavior and performance:

  1. max_concurrent_streams: Allows limiting the number of concurrent streams per connection.
  2. num_stream_workers: Controls the number of workers processing streams concurrently.
  3. shared_write_buffer: Enables buffer sharing for potentially improved performance.
  4. wait_for_handlers: Ensures graceful shutdown by waiting for handlers to complete.
  5. enable_channelz: Activates the channelz service for better observability.

These additions offer more flexibility in tuning the gRPC server for specific deployment needs and could lead to improved performance and stability.


Line range hint 1-3000: Summary of configuration enhancements

The changes in this configuration file primarily focus on improving the gRPC server and client settings, offering more granular control over various aspects of Vald's networking and communication layers. These enhancements include:

  1. More detailed gRPC server configuration options.
  2. Additional gRPC client call and dial options.

These changes should provide users with greater flexibility in fine-tuning Vald's performance and behavior to suit their specific deployment needs. The new options cover areas such as concurrency control, connection management, and observability.

To further improve this configuration file:

  1. Consider adding more detailed descriptions or examples for some of the new parameters, especially those that might not be immediately obvious to users.
  2. Ensure that all new parameters have consistent naming conventions and are properly documented throughout the project's user guide or API documentation.
charts/vald-helm-operator/crds/valdrelease.yaml (10)

938-939: New gRPC server property: enable_channelz

A new boolean property enable_channelz has been added to the gRPC server configuration. This property likely enables the gRPC channelz service, which provides detailed runtime information about gRPC channels for debugging and diagnostics.

This addition enhances the observability capabilities of the gRPC server, which is beneficial for debugging and monitoring in production environments.


974-975: New gRPC server property: max_concurrent_streams

A new integer property max_concurrent_streams has been added to the gRPC server configuration. This property controls the maximum number of concurrent streams that can be open for a single gRPC connection.

This addition allows for better control over resource usage and can help prevent potential DoS attacks by limiting the number of concurrent streams.


982-983: New gRPC server property: num_stream_workers

A new integer property num_stream_workers has been added to the gRPC server configuration. This property likely controls the number of worker goroutines used for handling streams.

This addition provides fine-grained control over concurrency in stream processing, which can help optimize performance for different workloads.


986-987: New gRPC server property: shared_write_buffer

A new boolean property shared_write_buffer has been added to the gRPC server configuration. This property likely determines whether a shared buffer should be used for writing data across multiple streams.

This addition can potentially improve memory usage efficiency by sharing write buffers across streams, but it's important to consider the trade-offs in terms of performance and concurrency.


988-989: New gRPC server property: wait_for_handlers

A new boolean property wait_for_handlers has been added to the gRPC server configuration. This property likely determines whether the server should wait for all handlers to be registered before starting.

This addition can help ensure that all expected handlers are properly set up before the server begins accepting requests, potentially preventing errors due to missing handlers.


Line range hint 938-989: Consistency in gRPC server configuration across components

The new gRPC server properties (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) have been consistently added to multiple components within the ValdRelease resource, including:

  • Agent
  • Discoverer
  • Gateway (Filter, LB, and Mirror)
  • Manager (Index, Creator, and Saver)
  • Backup (Compressor and Meta)

The consistent application of these new properties across all relevant components ensures that administrators have uniform control over gRPC server behavior throughout the Vald cluster. This consistency is crucial for maintaining a coherent configuration and operational model.

Also applies to: 1909-1960, 2870-2921, 3831-3882, 5344-5395, 6830-6881, 8004-8055, 9394-9445, 10502-10553, 11872-11923, 12636-12687, 13766-13817, 14386-14437


2232-2233: New gRPC dial options

Several new properties have been added to the gRPC dial options across various client configurations:

  1. authority: A string property, likely used to set the :authority pseudo-header for gRPC requests.
  2. disable_retry: A boolean property to disable automatic retries.
  3. idle_timeout: A string property to set the idle timeout for gRPC connections.

These new options provide more granular control over gRPC client behavior:

  • The authority option can be useful in scenarios involving proxies or custom routing.
  • disable_retry allows for fine-tuning of the retry behavior, which can be crucial in certain failure scenarios.
  • idle_timeout helps manage long-lived connections more effectively.

These additions enhance the configurability of gRPC clients in the Vald system, allowing for better adaptation to various network conditions and requirements.

Also applies to: 2242-2243, 2246-2247, 4215-4216, 4225-4226, 4229-4230, 5720-5721, 5730-5731, 5734-5735, 7215-7216, 7225-7226, 7229-7230, 8772-8773, 8782-8783, 8786-8787, 10825-10826, 10835-10836, 10839-10840, 11016-11017, 11026-11027, 11030-11031, 12948-12949, 12958-12959, 12962-12963, 13139-13140, 13149-13150, 13153-13154


2334-2335: New gRPC client properties

Two new properties have been added to various gRPC client configurations:

  1. shared_write_buffer: A boolean property, likely determining whether to use a shared write buffer for gRPC streams.
  2. user_agent: A string property to set the user agent for gRPC requests.

These additions provide more control over gRPC client behavior:

  • The shared_write_buffer option can potentially improve performance by sharing buffer resources across streams, but it's important to consider the implications on concurrency and resource usage.
  • The user_agent option allows for custom identification of the client, which can be useful for tracking and debugging purposes.

These new properties enhance the flexibility and observability of gRPC clients in the Vald system.

Also applies to: 2338-2339, 4317-4318, 4321-4322, 5822-5823, 5826-5827, 7317-7318, 7321-7322, 8874-8875, 8878-8879, 10927-10928, 10931-10932, 11118-11119, 11122-11123, 13050-13051, 13054-13055, 13241-13242, 13245-13246


Line range hint 1-14437: Summary of changes to ValdRelease CRD

This update to the ValdRelease Custom Resource Definition introduces several new configuration options for gRPC servers and clients across various components of the Vald system. The key changes include:

  1. New gRPC server properties: enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers.
  2. New gRPC client properties: content_subtype, shared_write_buffer, and user_agent.
  3. New gRPC dial options: authority, disable_retry, and idle_timeout.

These additions significantly enhance the configurability and observability of the Vald system:

  • Improved debugging and monitoring capabilities with enable_channelz.
  • Better control over resource usage and concurrency with max_concurrent_streams and num_stream_workers.
  • Enhanced performance tuning options with shared_write_buffer.
  • More granular control over gRPC client behavior and identification.

Overall, these changes provide administrators with more tools to fine-tune the Vald system's performance, resource usage, and behavior in various network conditions. The consistent application of these properties across different components ensures a coherent configuration model throughout the system.

However, it's recommended to update the documentation to explain these new options in detail, including their impact on system behavior and best practices for their use.

To ensure proper documentation, let's check for any updates to the Vald documentation:

#!/bin/bash
# Search for documentation updates related to the new gRPC options
rg --type markdown -e 'enable_channelz|max_concurrent_streams|num_stream_workers|shared_write_buffer|wait_for_handlers|content_subtype|user_agent|authority|disable_retry|idle_timeout' docs/

2227-2228: New gRPC client property: content_subtype

A new integer property content_subtype has been added to various gRPC client configurations throughout the ValdRelease resource. This property likely specifies the content subtype for gRPC communication.

The addition of this property allows for more precise control over the content encoding in gRPC communication. However, it's worth noting that using an integer type for this property is unusual. Typically, content subtypes are represented as strings (e.g., "proto" or "json"). Consider verifying if this is intentional or if it should be changed to a string type with enumerated values.

To ensure this is used correctly, let's check for any related code or documentation:

Also applies to: 2269-2272, 4210-4211, 4252-4255, 5715-5716, 5757-5760, 7210-7211, 7252-7255, 8767-8768, 8809-8812, 10820-10821, 10862-10865, 11011-11012, 11053-11056, 12943-12944, 12985-12988

k8s/operator/helm/crds/valdrelease.yaml (3)

Line range hint 938-989: Enhanced gRPC server configuration options added

Several new fields have been introduced to the gRPC server configuration, providing more fine-grained control over server behavior and performance:

  1. enable_channelz: Allows for detailed gRPC connection debugging.
  2. max_concurrent_streams: Controls the maximum number of concurrent streams per gRPC connection.
  3. num_stream_workers: Specifies the number of workers for handling streams.
  4. shared_write_buffer: Enables a shared buffer for writing, potentially improving performance.
  5. wait_for_handlers: Determines whether the server should wait for handlers to complete before shutting down.

These additions offer more flexibility in tuning the gRPC server for specific use cases and can help in optimizing performance and resource utilization.


Line range hint 2227-2339: Expanded gRPC client configuration options

The gRPC client configuration has been significantly enhanced with several new fields:

  1. content_subtype: Allows specifying the content subtype for gRPC communication.
  2. authority: Enables setting the :authority pseudo-header for gRPC requests.
  3. disable_retry: Provides an option to disable automatic retries.
  4. idle_timeout: Sets the duration a connection can be idle before it's closed.
  5. max_call_attempts: Limits the number of attempts for a single RPC call.
  6. max_header_list_size: Controls the maximum size of the header list.
  7. shared_write_buffer: Enables a shared buffer for writing, potentially improving performance.
  8. user_agent: Allows setting a custom user agent string for the client.

These additions provide more granular control over the gRPC client's behavior, allowing for better customization of connection management, retry policies, and performance optimization. They enable users to fine-tune the client according to their specific use cases and network conditions.

Also applies to: 4215-4322, 5715-5827, 5906-6018, 6099-6211, 8376-8488, 8567-8679, 8767-8879, 9679-9791, 9870-9982, 10820-10932, 11011-11123, 11134-11246, 12943-13055


Line range hint 1-14437: Comprehensive update to ValdRelease CRD for enhanced gRPC configuration

This update to the ValdRelease Custom Resource Definition (CRD) introduces a set of new configuration options for gRPC servers and clients across various components of the Vald system. The changes are consistently applied to agent, discoverer, gateway, and manager configurations, among others.

Key improvements include:

  1. More granular control over gRPC server behavior, including connection debugging, stream management, and shutdown procedures.
  2. Enhanced gRPC client configurations, allowing for better customization of content negotiation, connection management, and retry policies.
  3. Consistent application of these new options across different components, ensuring system-wide improvements in gRPC communication capabilities.

These additions significantly expand the configurability of Vald's gRPC communication, allowing users to fine-tune performance, resource utilization, and behavior according to their specific requirements and network conditions.

internal/servers/server/option.go (6)

611-614: Parameter Type Updated to uint32 in WithGRPCMaxHeaderListSize

Changing the parameter type from int to uint32 enhances type safety and prevents negative values, aligning with the expectations of the gRPC API.


620-627: Updated WithGRPCHeaderTableSize Parameter to uint32

The modification ensures consistency and correctness, as uint32 accurately represents the expected size without allowing negative values.


629-636: Added WithGRPCMaxConcurrentStreams Function

The new function allows configuration of the maximum number of concurrent streams in the gRPC server. The implementation correctly appends the option when size > 0.


638-645: Introduced WithGRPCNumStreamWorkers Function

This function enables setting the number of stream workers for gRPC. The implementation appropriately adds the option when size > 0.


647-654: Added WithGRPCSharedWriteBuffer Function

The new function allows enabling or disabling the shared write buffer in gRPC. The code correctly appends the option when enable is true.


656-660: Implemented WithGRPCWaitForHandlers Function

This function provides the ability to configure whether the gRPC server waits for handlers to finish before closing connections. The implementation is correct and follows best practices.

internal/config/server.go (3)

24-25: Import Statements Added Correctly

The new imports for channelz and reflection are appropriate and correctly added.


97-97: ⚠️ Potential issue

Typo in Struct Tag for EnableReflection Field

There is a typo in the struct tag for the EnableReflection field. The tag ygaml should be corrected to yaml.

Apply this diff to fix the typo:

-	EnableReflection bool           `json:"enable_reflection,omitempty" ygaml:"enable_reflection"`
+	EnableReflection bool           `json:"enable_reflection,omitempty" yaml:"enable_reflection"`

Likely invalid or redundant comment.


300-304: ⚠️ Potential issue

Duplicate server.WithServerMode(mode) Option

The server.WithServerMode(mode) option is appended to opts twice: once before checking the server mode and again inside the if s.GRPC != nil block. This redundancy can be removed to simplify the code.

Apply this diff to fix the duplication:

 switch mode := server.Mode(s.Mode); mode {
 case server.REST, server.GQL:
     opts = append(opts,
         server.WithServerMode(mode),
     )
     // Other options for REST/GQL
 case server.GRPC:
-    opts = append(opts,
-        server.WithServerMode(mode),
-    )
     if s.GRPC != nil {
+        opts = append(opts,
+            server.WithServerMode(mode),
             server.WithGRPCConnectionTimeout(s.GRPC.ConnectionTimeout),
             // Additional gRPC options
         )
     }
 }

Likely invalid or redundant comment.

internal/net/grpc/pool/pool.go (2)

571-593: Skip: Similar comment already addressed.


596-598: LGTM!

The changes to the Get method improve readability by using named return values, which clarify the purpose of each returned value.

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@kpango kpango force-pushed the feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received branch from 2d8ed01 to bbe16e5 Compare October 8, 2024 22:38
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Actionable comments posted: 14

🧹 Outside diff range and nitpick comments (23)
charts/vald/values.schema.json (3)

1501-1516: Approve the addition of new gRPC server options

The new options num_stream_workers, shared_write_buffer, and wait_for_handlers are valuable additions to the gRPC server configuration. They provide fine-grained control over server behavior, potentially improving performance, resource usage, and shutdown processes.

Consider updating the project's documentation to explain the impact and best practices for these new options, especially regarding performance tuning and graceful shutdown scenarios.


3730-3737: Approve the addition of max_call_attempts and max_header_list_size options

The new max_call_attempts and max_header_list_size options for the gRPC client dial options are excellent additions:

  1. max_call_attempts allows limiting the number of call attempts, preventing excessive retries and potentially improving system stability.
  2. max_header_list_size enables setting the maximum size of the header list, which can help mitigate potential DoS attacks.

Both options are well-documented with clear descriptions.

Consider adding documentation or comments about recommended values or best practices for these options, especially regarding security implications for max_header_list_size.


Line range hint 4765-24776: Approve the systematic enhancement of gRPC configuration options

The changes in this file consistently apply new gRPC configuration options across various components and services in the system. These additions include:

  1. Server-side options: enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers.
  2. Client-side options: authority, content_subtype, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, shared_write_buffer, and user_agent.

These changes significantly enhance the configurability and fine-tuning capabilities of both gRPC servers and clients throughout the system.

  1. Ensure that these new options are documented in the project's main configuration guide, including explanations of their impact and use cases.
  2. Consider creating a set of recommended configurations for different scenarios (e.g., high-performance, low-latency, resource-constrained) to help users make the best use of these new options.
  3. Implement monitoring and alerting for these new settings, especially for options like max_concurrent_streams and max_call_attempts, to help detect and diagnose issues in production.
internal/net/grpc/health/health.go (1)

29-35: LGTM: Improved implementation with a minor suggestion.

The new implementation is more robust and comprehensive:

  1. It creates a new health server instance.
  2. It registers health checks for all services automatically.
  3. It adds logging for better observability.
  4. It sets a default health check status.

These changes align well with the updated function signature and provide a more maintainable solution.

Consider adding error handling for the SetServingStatus calls. While it's unlikely to fail, it's generally a good practice to handle potential errors, especially in critical components like health checks.

Here's a suggested improvement:

 for api := range srv.GetServiceInfo() {
-    hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING)
+    if err := hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING); err != nil {
+        log.Error("Failed to set serving status for service: "+api, err)
+    }
     log.Debug("Registered health check for service: " + api)
 }
-hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
+if err := hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING); err != nil {
+    log.Error("Failed to set default serving status", err)
+}
internal/net/grpc/server.go (1)

139-178: LGTM: Comprehensive API References added

The addition of this detailed API reference comment block significantly enhances the package documentation. It provides a clear overview of implemented, unnecessary, experimental, and deprecated APIs, which is extremely helpful for developers using this package.

Consider adding a brief explanation at the beginning of the comment block to clarify its purpose and how to interpret the different categories. For example:

/*
API References https://pkg.go.dev/google.golang.org/grpc#ServerOption

This section provides an overview of the gRPC ServerOption APIs and their status in this package:
1. Already Implemented: APIs available for use in this package.
2. Unnecessary: APIs not needed in this package due to its specific focus.
3. Experimental: APIs that may be subject to change and should be used with caution.
4. Deprecated: APIs that should be avoided in new code and will be removed in future versions.

...
*/
k8s/index/job/save/configmap.yaml (2)

Line range hint 45-67: LGTM. Consider updating documentation for new gRPC options.

The new gRPC configuration options enhance the server's capabilities:

  • enable_channelz: true improves debugging and visibility.
  • max_concurrent_streams: 0 removes the limit on concurrent streams.
  • num_stream_workers: 0 uses the default number of workers.
  • shared_write_buffer: false ensures thread-safety for concurrent operations.
  • wait_for_handlers: true improves startup reliability.

These changes appear to be aimed at improving performance and debugging capabilities.

Consider updating the project documentation to reflect these new configuration options and their implications.


Line range hint 280-329: LGTM. Consider setting a specific max_header_list_size.

The new dial options provide more control over the gRPC client behavior:

  • authority: "" allows use of the default authority.
  • disable_retry: false enables retries (default behavior).
  • idle_timeout: 1h sets a reasonable timeout for idle connections.
  • max_call_attempts: 0 uses the default value for maximum call attempts.
  • max_header_list_size: 0 sets no limit on header list size.
  • shared_write_buffer: false ensures thread-safety for concurrent operations.
  • user_agent: Vald-gRPC helps identify the client in logs and metrics.

These changes align with gRPC best practices and provide better control over client behavior.

Consider setting a specific max_header_list_size instead of 0 (unlimited) to prevent potential abuse or excessive resource usage. A reasonable value could be 8192 (8KB) or 16384 (16KB), depending on your expected header sizes.

internal/net/grpc/option.go (6)

217-243: LGTM! Consider closing the multi-line comment.

The added comment block provides valuable information about the status of different gRPC CallOption APIs. This helps developers understand which APIs are implemented, unnecessary, experimental, or deprecated.

Consider closing the multi-line comment block by adding */ at the end:

 // Deprecated APIs
 - func CallCustomCodec(codec Codec) CallOption
 - func FailFast(failFast bool) CallOption
-*/
+*/

266-285: LGTM with suggestion: Consider adjusting size validation.

The changes to initialize g.copts in both WithMaxRecvMsgSize and WithMaxSendMsgSize functions are good and consistent with other functions. However, the condition if size > 1 might be too restrictive.

Consider updating the condition in both functions to allow all positive integers:

-if size > 1 {
+if size > 0 {
    // ... (rest of the function)
}

This change would align better with gRPC's documentation and provide more flexibility in setting message sizes.


287-306: LGTM with suggestion: Consider adjusting size validation in WithMaxRetryRPCBufferSize.

The new functions WithMaxRetryRPCBufferSize and WithWaitForReady are well-implemented and consistent with the pattern used in other option functions. The WithWaitForReady function, in particular, is correctly implemented without any condition.

For WithMaxRetryRPCBufferSize, consider updating the condition to allow all positive integers:

-if size > 1 {
+if size > 0 {
    // ... (rest of the function)
}

This change would provide more flexibility in setting the retry buffer size.


307-358: LGTM! Consider closing the multi-line comment.

The added comment block provides valuable information about the status of different gRPC DialOption APIs. This helps developers understand which APIs are implemented, unnecessary, experimental, or deprecated.

Consider closing the multi-line comment block by adding */ at the end:

 - func WithReturnConnectionError() DialOption
 - func WithTimeout(d time.Duration) DialOption
-*/
+*/

398-405: LGTM with suggestion: Consider adjusting size validation.

The changes to use int32 for the size parameter in both WithInitialWindowSize and WithInitialConnectionWindowSize functions are good and align with the gRPC API. The initialization of g.dopts is also correct and consistent with other functions.

Consider updating the condition in both functions to allow all non-negative integers:

-if size > 1 {
+if size >= 0 {
    // ... (rest of the function)
}

This change would align better with gRPC's documentation and provide more flexibility in setting window sizes.

Also applies to: 411-418


532-579: LGTM with suggestion: Consider adjusting validation in WithMaxCallAttempts.

The new functions WithDisableRetry, WithIdleTimeout, and WithMaxCallAttempts are well-implemented and consistent with the pattern used in other option functions. The error handling in WithIdleTimeout is particularly thorough and appropriate.

For WithMaxCallAttempts, consider updating the condition to allow all values greater than or equal to 1:

-if n > 2 {
+if n >= 1 {
    // ... (rest of the function)
}

This change would align better with gRPC's documentation and provide more flexibility in setting the maximum call attempts.

internal/net/grpc/pool/pool.go (2)

571-593: Improved error handling and connection management.

The changes to the Do method enhance its robustness by handling grpc.ErrClientConnClosing and attempting to redial. This is a good improvement to the connection pool's reliability.

However, there's a minor issue in the error handling:

 if errors.Is(err, grpc.ErrClientConnClosing) {
 	if conn != nil {
-		_ = conn.Close()
+		if errClose := conn.Close(); errClose != nil {
+			log.Warnf("Failed to close connection: %v", errClose)
+		}
 	}
 	conn, err = p.dial(ctx, p.addr)
 	if err == nil && conn != nil && isHealthy(ctx, conn) {

This change ensures that any errors during connection closure are logged, which can be helpful for debugging connection issues.


Line range hint 601-647: Improved connection management with potential recursion concern.

The changes to getHealthyConn significantly enhance its robustness:

  1. Early returns for nil pool or closing state.
  2. Context cancellation check.
  3. Different handling for IP and non-IP connections.
  4. Improved logging for connection failures.

However, there's a potential issue with the recursion depth when retrying to get a healthy connection. Consider replacing the recursion with a loop to avoid potential stack overflow:

-func (p *pool) getHealthyConn(
-	ctx context.Context, cnt, retry uint64,
-) (idx int, conn *ClientConn, ok bool) {
+func (p *pool) getHealthyConn(ctx context.Context, initialCnt, initialRetry uint64) (idx int, conn *ClientConn, ok bool) {
+	cnt, retry := initialCnt, initialRetry
+	for {
 	if p == nil || p.closing.Load() {
-		return 0, nil, false
+		return
 	}
 	select {
 	case <-ctx.Done():
-		return 0, nil, false
+		return
 	default:
 	}
 	pl := p.Len()
 	if retry <= 0 || retry > math.MaxUint64-pl || pl <= 0 {
 		if p.isIP {
 			log.Warnf("failed to find gRPC IP connection pool for %s.\tlen(pool): %d,\tretried: %d,\tseems IP %s is unhealthy will going to disconnect...", p.addr, pl, cnt, p.addr)
 			if err := p.Disconnect(); err != nil {
 				log.Debugf("failed to disconnect gRPC IP direct connection for %s,\terr: %v", p.addr, err)
 			}
-			return 0, nil, false
+			return
 		}
 		if pl > 0 {
 			idx = int(p.current.Add(1) % pl)
 		}
 		if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
-			return idx, pc.conn, true
+			return idx, pc.conn, true
 		}
 		conn, err := p.dial(ctx, p.addr)
 		if err == nil && conn != nil && isHealthy(ctx, conn) {
 			p.store(idx, &poolConn{
 				conn: conn,
 				addr: p.addr,
 			})
-			return idx, conn, true
+			return idx, conn, true
 		}
 		log.Warnf("failed to find gRPC connection pool for %s.\tlen(pool): %d,\tretried: %d,\terror: %v", p.addr, pl, cnt, err)
-		return idx, nil, false
+		return
 	}

 	if pl > 0 {
 		idx = int(p.current.Add(1) % pl)
 		if pc := p.load(idx); pc != nil && isHealthy(ctx, pc.conn) {
-			return idx, pc.conn, true
+			return idx, pc.conn, true
 		}
 	}
 	retry--
 	cnt++
-	return p.getHealthyConn(ctx, cnt, retry)
+	}
 }

This change maintains the same logic while avoiding potential stack overflow issues for large retry values.

internal/servers/server/option_test.go (2)

Line range hint 2106-2156: LGTM! Consider adding an upper bound test case.

The changes to TestWithGRPCMaxHeaderListSize look good. The switch from int to uint32 for the size parameter is consistent with the updated method signature. Removing the negative size test case is appropriate as uint32 doesn't support negative values.

To further improve the test coverage, consider adding a test case for the maximum possible value of uint32 to ensure the function handles extreme values correctly.

{
    name: "set success with maximum uint32 value",
    size: math.MaxUint32,
    checkFunc: func(opt Option) error {
        got := new(server)
        opt(got)

        if len(got.grpc.opts) != 1 {
            return errors.New("invalid param was set")
        }
        return nil
    },
},

Line range hint 2156-2206: LGTM! Consider adding an upper bound test case.

The changes to TestWithGRPCHeaderTableSize are appropriate and consistent with those made to TestWithGRPCMaxHeaderListSize. The switch from int to uint32 for the size parameter aligns with the updated method signature, and removing the negative size test case is correct for uint32.

As suggested for TestWithGRPCMaxHeaderListSize, consider adding a test case for the maximum possible value of uint32 to ensure the function handles extreme values correctly.

{
    name: "set success with maximum uint32 value",
    size: math.MaxUint32,
    checkFunc: func(opt Option) error {
        got := new(server)
        opt(got)

        if len(got.grpc.opts) != 1 {
            return errors.New("invalid param was set")
        }
        return nil
    },
},
charts/vald-helm-operator/crds/valdrelease.yaml (1)

Line range hint 1-14587: Comprehensive enhancement of Vald's configurability and performance tuning capabilities

This update to the ValdRelease CRD significantly expands the system's configurability, focusing on gRPC and network-related settings. Key improvements include:

  1. Enhanced gRPC server and client configurations with new options for channelz, concurrent streams, stream workers, and buffer management.
  2. Finer control over network behavior with new dial options, retry settings, and timeout configurations.
  3. Improved observability and performance tuning capabilities.

These changes are consistently applied across various components of the Vald system (e.g., agent, gateway, manager), ensuring uniform availability of the new features. This update allows operators to fine-tune Vald deployments more precisely, potentially leading to better performance, reliability, and resource utilization in diverse operational environments.

Consider providing documentation or guidelines on best practices for utilizing these new configuration options, as the increased complexity may require careful consideration when setting up Vald instances.

k8s/operator/helm/crds/valdrelease.yaml (3)

938-939: Approve new gRPC server configuration fields and suggest documentation updates.

The new gRPC server configuration fields (enable_channelz, max_concurrent_streams, num_stream_workers, shared_write_buffer, and wait_for_handlers) provide more granular control over server behavior and potentially improve performance. These additions enhance the configurability of the ValdRelease custom resource.

Consider updating the project documentation to explain these new configuration options, their default values, and their impact on server performance and behavior. This will help users understand how to best utilize these new features.

Also applies to: 974-975, 982-983, 986-989


2227-2228: Approve new gRPC client configuration fields and suggest documentation updates.

The new gRPC client configuration fields (content_subtype, authority, disable_retry, idle_timeout, max_call_attempts, max_header_list_size, shared_write_buffer, and user_agent) provide more fine-grained control over client behavior. These additions enhance the configurability of the ValdRelease custom resource and potentially improve performance and reliability of gRPC communications.

Consider updating the project documentation to explain these new configuration options, their default values, and their impact on client behavior and performance. This will help users understand how to best utilize these new features and make informed decisions when configuring their ValdRelease resources.

Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272, 2334-2335, 2338-2339


Line range hint 1-14437: Summary of overall changes and their implications.

The changes to the ValdRelease CRD represent a significant enhancement in gRPC configuration capabilities across the entire Vald system. New fields have been consistently added to various components (agent, discoverer, gateway, manager, etc.) to provide more granular control over both gRPC server and client behaviors.

These additions will allow users to fine-tune their Vald deployments for better performance, reliability, and debugging capabilities. The systematic nature of these changes suggests a well-planned update to improve the overall flexibility and power of the Vald system.

Consider the following recommendations:

  1. Ensure that default values for these new configurations are carefully chosen to maintain backwards compatibility and prevent unexpected behavior for existing users.
  2. Update all relevant documentation, including user guides and API references, to reflect these new configuration options.
  3. Consider providing example configurations or best practices for common use cases to help users take advantage of these new features effectively.
  4. Implement validation logic in the Vald operator to ensure that users provide valid values for these new fields, preventing misconfigurations that could lead to system instability.
internal/config/server.go (1)

Line range hint 247-252: Remove Duplicate WithServerMode(mode) Call

In the Opts() method, within the server.GRPC case, the server.WithServerMode(mode) option is appended twice to the opts slice. This is unnecessary and could be removed to avoid redundancy.

Apply this diff to remove the duplicate call:

 case server.GRPC:
     opts = append(opts,
         server.WithServerMode(mode),
     )
     if s.GRPC != nil {
-        opts = append(opts,
-            server.WithServerMode(mode),
+        opts = append(opts,
             server.WithGRPCConnectionTimeout(s.GRPC.ConnectionTimeout),
             server.WithGRPCHeaderTableSize(s.GRPC.HeaderTableSize),
             server.WithGRPCInitialConnWindowSize(s.GRPC.InitialConnWindowSize),
go.mod (1)

Line range hint 3-3: Invalid Go Version Specification

The go directive at line 3 specifies go 1.23.2, but the Go version should only include the major and minor versions without the patch level (e.g., go 1.23).

Please update the go directive as follows:

-go 1.23.2
+go 1.23
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 2d8ed01 and bbe16e5.

⛔ Files ignored due to path filters (21)
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  • .gitfiles (1 hunks)
  • charts/vald-helm-operator/crds/valdrelease.yaml (94 hunks)
  • charts/vald/values.schema.json (107 hunks)
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🧰 Additional context used
🔇 Additional comments (50)
charts/vald/values.schema.json (4)

1419-1422: Approve the addition of the enable_channelz option

The new enable_channelz option for the gRPC server is a valuable addition. It allows users to toggle the gRPC channelz feature, which can be useful for debugging and monitoring gRPC services.


1485-1488: Approve the addition of the max_concurrent_streams option

The new max_concurrent_streams option for the gRPC server is a valuable addition. It allows users to control the maximum number of concurrent streams, which can help manage server resources and prevent overload situations.


3681-3692: Approve the addition of disable_retry and idle_timeout options

The new disable_retry and idle_timeout options for the gRPC client dial options are valuable additions. They provide more granular control over client behavior:

  1. disable_retry allows users to turn off retry attempts, which can be useful in scenarios where immediate failure is preferred.
  2. idle_timeout enables setting a timeout for idle connections, helping to manage resources more effectively.

Both options are well-documented with clear descriptions.


3855-3866: Approve the addition of shared_write_buffer and user_agent options

The new shared_write_buffer and user_agent options for the gRPC client dial options are valuable additions:

  1. shared_write_buffer allows control over write buffer sharing, which can potentially impact performance and resource usage.
  2. user_agent enables setting a custom user agent string, useful for client identification and debugging.

Both options are well-documented with clear descriptions.

For the shared_write_buffer option, it would be beneficial to conduct performance testing to quantify its impact. Consider running benchmarks with this option enabled and disabled to provide guidance on its use. Here's a script to check if there are any existing benchmarks:

internal/net/grpc/health/health.go (1)

21-24: LGTM: Import statements updated appropriately.

The new import for logging and the alias for the health package are good additions. They improve the code's functionality and readability.

internal/net/grpc/server.go (4)

115-119: LGTM: MaxConcurrentStreams function added

The MaxConcurrentStreams function is a well-implemented wrapper around grpc.MaxConcurrentStreams. It enhances the configurability of the gRPC server by allowing users to set a limit on concurrent streams for each ServerTransport. The comment accurately describes the function's purpose.


121-125: LGTM: NumStreamWorkers function added

The NumStreamWorkers function is a well-implemented wrapper around grpc.NumStreamWorkers. It provides users with the ability to fine-tune server performance by setting the number of worker goroutines for processing incoming streams. The comment clearly explains the function's purpose and default behavior.


127-131: LGTM: SharedWriteBuffer function added

The SharedWriteBuffer function is a well-implemented wrapper around grpc.SharedWriteBuffer. It allows users to enable the reuse of per-connection transport write buffers, which can potentially improve memory usage and performance. The comment clearly explains the function's purpose and behavior.


133-137: LGTM: WaitForHandlers function added

The WaitForHandlers function is a well-implemented wrapper around grpc.WaitForHandlers. It provides users with more control over server shutdown behavior by allowing them to configure whether the Stop method should wait for all outstanding method handlers to exit. The comment offers a detailed explanation of the function's behavior and its impact on the Stop method.

k8s/gateway/gateway/mirror/configmap.yaml (1)

28-28: New gRPC client dial option: idle_timeout

A new dial option has been added:

  • idle_timeout: 1h: This sets the idle timeout for gRPC connections to 1 hour.

While this value seems reasonable, it's important to consider its implications:

  1. It may help manage resource usage by closing idle connections.
  2. However, it might also lead to more frequent connection re-establishments.

Consider adding a comment explaining the rationale behind choosing a 1-hour idle timeout. This will help future maintainers understand the decision-making process.

To ensure this configuration is used consistently and its impact is understood, please run:

#!/bin/bash
# Search for usage and documentation of idle_timeout in the codebase
rg --type go "idle_timeout" internal/
k8s/index/job/save/configmap.yaml (1)

274-278: LGTM. Please clarify the intent of setting content_subtype.

The addition of content_subtype: 0 in the call_option section explicitly sets the default content subtype for gRPC calls.

Could you please clarify the intent behind explicitly setting this option? Is there a specific reason for making this default behavior explicit, or is it for consistency with other configurations?

k8s/index/job/creation/configmap.yaml (4)

328-328: Confirm the user agent string

The user_agent: Vald-gRPC setting is a good practice for identification in logs and monitoring. Ensure that this user agent string aligns with your organization's naming conventions and provides sufficient information for tracking and debugging purposes.


296-296: ⚠️ Potential issue

Reconsider the unlimited retry attempts setting

The max_call_attempts: 0 setting indicates unlimited retry attempts. This could potentially lead to infinite retries in case of persistent failures, causing resource exhaustion. Consider setting a reasonable upper limit to ensure system stability while still allowing for fault tolerance.

To verify the impact of this setting, you can run:

#!/bin/bash
# Check for retry logic implementations
rg -i "grpc.*retry|backoff" --type go

# Look for any existing retry limits in the codebase
rg -i "max.*attempts|max.*retries" --type go

Line range hint 360-365: Clarify the intent of gRPC client configurations

Several gRPC client configurations have been added for the agent:

  1. content_subtype: 0: The intent of this setting is unclear. If it's meant to use a default value, consider documenting this explicitly.
  2. max_recv_msg_size: 0 and max_send_msg_size: 0: These settings might imply using default values or no limits. Please clarify the intended behavior and consider setting explicit limits to prevent potential issues with extremely large messages.
  3. max_retry_rpc_buffer_size: 0: This might affect the retry behavior. Ensure this aligns with your retry strategy.
  4. wait_for_ready: true: This is generally a good setting for ensuring the client waits for the server to be ready.

Consider documenting the rationale behind these choices to aid future maintenance and troubleshooting.

To verify the impact and usage of these settings, you can run:

#!/bin/bash
# Check for gRPC client option usage in the codebase
rg -i "grpc.*WithMax|grpc.*WithWaitForReady|grpc.*WithContentSubtype" --type go

# Look for any existing message size limits in the codebase
rg -i "max.*message.*size|max.*msg.*size" --type go

45-45: Consider the performance impact of enabling channelz

The enable_channelz: true setting activates gRPC's channelz service, which can be beneficial for debugging and monitoring gRPC internals. However, be aware that this may introduce a slight performance overhead in production environments. Ensure that this aligns with your observability needs and performance requirements.

To verify the impact and usage of channelz, you can run:

✅ Verification successful

Channelz is not currently utilized in the codebase

No existing usage of channelz was found in the codebase, indicating that enabling it is unlikely to have immediate performance impacts. If future debugging or monitoring requires channelz, its impact can be reassessed at that time.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for channelz usage in the codebase
rg -i "channelz" --type go

# Look for any performance benchmarks related to gRPC
rg -i "benchmark.*grpc" --type go

Length of output: 10012

k8s/index/job/correction/configmap.yaml (3)

45-45: Also applies to: 60-60, 64-64, 66-67


274-274: Also applies to: 280-287, 296-297, 326-328


363-363: Also applies to: 369-376, 385-386, 415-417

internal/net/grpc/option.go (6)

246-252: LGTM! Improved robustness of WithCallOptions function.

The changes to the WithCallOptions function enhance its robustness by properly initializing g.copts if it's nil or empty, and appending new options to existing ones if g.copts is not empty. This prevents potential nil pointer dereferences and ensures consistent behavior.


256-262: LGTM! New CallContentSubtype function added.

The new CallContentSubtype function is a well-implemented addition that follows the established pattern for option functions. It correctly initializes g.copts if needed and efficiently appends the new option.


362-368: LGTM! Improved robustness of WithDialOptions function.

The changes to the WithDialOptions function enhance its robustness by properly initializing g.dopts if it's nil or empty, and appending new options to existing ones if g.dopts is not empty. This prevents potential nil pointer dereferences and ensures consistent behavior.


519-530: LGTM! New WithAuthority function added.

The new WithAuthority function is a well-implemented addition that follows the established pattern for option functions. It correctly initializes g.dopts if needed, checks for a non-empty authority string, and efficiently appends the new option.


581-618: LGTM! New configuration options added.

The new functions WithMaxHeaderListSize, WithSharedWriteBuffer, and WithUserAgent are well-implemented additions that follow the established pattern for option functions. They correctly initialize g.dopts if needed, have appropriate conditions for applying the options, and enhance the flexibility of the gRPC client configuration.


Line range hint 1-624: Overall assessment: Significant improvements with minor suggestions.

The changes to internal/net/grpc/option.go greatly enhance the robustness and flexibility of the gRPC client configuration. The new functions and modifications consistently follow good practices, such as initializing slices before use and providing valuable configuration options that align well with the gRPC API.

Key improvements:

  1. Addition of new configuration options (e.g., WithAuthority, WithDisableRetry, WithIdleTimeout).
  2. Consistent initialization of g.dopts and g.copts to prevent nil pointer dereferences.
  3. Alignment with gRPC API types (e.g., using int32 for window sizes).

Minor suggestions for improvement:

  1. Adjust validation conditions in some functions to allow for more flexible configurations (e.g., WithMaxRecvMsgSize, WithMaxCallAttempts).
  2. Close multi-line comment blocks properly.

These changes significantly improve the package's functionality and maintainability. Great work overall!

internal/net/grpc/pool/pool.go (1)

596-598: LGTM: Improved clarity in connection retrieval.

The changes to the Get method enhance its usability by explicitly returning a boolean indicating whether a healthy connection is available. This makes it easier for callers to handle cases where no healthy connection can be obtained.

k8s/index/operator/configmap.yaml (1)

28-28: New gRPC configuration options added: Verify impact on performance and behavior

Several new configuration options have been added to the gRPC server configuration:

  1. enable_channelz: true: This enables gRPC channelz, which provides detailed runtime information about gRPC channels. While useful for debugging, it may have a slight performance impact.

  2. num_stream_workers: 0: This setting controls the number of stream workers. Setting it to 0 might mean using the default number of workers or disabling stream workers entirely. Please clarify the intended behavior and its impact on performance.

  3. shared_write_buffer: false: This disables the shared write buffer, which might improve performance in some scenarios by reducing contention. However, it could also increase memory usage.

  4. wait_for_handlers: true: This ensures all handlers are ready before the server starts serving requests, which can improve reliability during startup.

These changes seem to focus on improving debugging capabilities and potentially optimizing performance. However, it's important to test these changes thoroughly to ensure they don't negatively impact the system's overall performance or stability.

To verify the impact of these changes, please run the following performance tests:

Please review the results of these tests to ensure that the new configuration options provide the desired performance improvements without introducing any regressions.

internal/servers/server/option_test.go (1)

Line range hint 1-2206: Consider reviewing related parts of the codebase for consistency.

While the changes in this file are appropriate and localized to TestWithGRPCMaxHeaderListSize and TestWithGRPCHeaderTableSize, it's worth considering if similar updates are needed in other parts of the codebase. The switch from int to uint32 for these gRPC options might affect other files or components that interact with these settings.

To ensure consistency across the codebase, you may want to run the following check:

This will help identify any other locations where these options are used and might need to be updated for consistency.

✅ Verification successful

All instances of GRPCMaxHeaderListSize and GRPCHeaderTableSize have been appropriately updated.

The shell script results confirm that the changes are consistent across option.go, option_test.go, and config/server.go. No additional inconsistencies or required updates were detected in other parts of the codebase.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for other occurrences of GRPCMaxHeaderListSize and GRPCHeaderTableSize
# that might need similar updates

echo "Searching for GRPCMaxHeaderListSize usage:"
rg "GRPCMaxHeaderListSize" --type go

echo "\nSearching for GRPCHeaderTableSize usage:"
rg "GRPCHeaderTableSize" --type go

Length of output: 953

.gitfiles (1)

Line range hint 1-1164: Comprehensive project structure listing

This file provides a detailed inventory of the entire project structure, including source code, configuration files, documentation, and Kubernetes manifests. While there's no specific code to review, this file serves several important purposes:

  1. It offers a high-level overview of the project's components and organization.
  2. It can be useful for backup and deployment processes.
  3. It helps new contributors understand the project layout quickly.

To enhance its utility, consider:

  1. Adding a brief comment at the top of the file explaining its purpose and how it's generated or maintained.
  2. Implementing a automated process to keep this file up-to-date as the project evolves.
  3. Using this file as a basis for generating project documentation or dependency trees.
charts/vald/values.yaml (5)

241-265: New gRPC server configuration options enhance performance and observability.

Several new configuration parameters have been added to the gRPC server settings:

  1. max_concurrent_streams: Controls the maximum number of concurrent streams per gRPC connection.
  2. num_stream_workers: Sets the number of workers handling streams, potentially improving concurrency.
  3. shared_write_buffer: Enables buffer sharing, which could improve memory usage.
  4. wait_for_handlers: When true, waits for handlers to finish before stopping, potentially improving graceful shutdowns.
  5. enable_channelz: Activates the channelz service for better observability of gRPC internals.

These additions provide more fine-grained control over the gRPC server's behavior, potentially improving performance, resource utilization, and debuggability.


756-758: New gRPC client call option for content subtype specification.

A new content_subtype parameter has been added to the gRPC client call options. This allows specifying the content subtype for gRPC calls, which can be useful for:

  1. Custom content types in gRPC communications.
  2. API versioning through content subtypes.
  3. Specialized handling of different content formats on the server side.

This addition provides more flexibility in gRPC communication, allowing for more sophisticated API designs and content handling strategies.


776-781: Enhanced gRPC client dial options for improved reliability and performance.

Two new parameters have been added to the gRPC client dial options:

  1. max_header_list_size: This setting controls the maximum size of the header list that the client is willing to accept. It can help prevent issues with extremely large headers and potential DoS attacks.

  2. max_call_attempts: This parameter sets the maximum number of attempts for a gRPC call. It can improve reliability by automatically retrying failed calls, but should be used carefully to avoid overwhelming the server or masking persistent issues.

These additions provide more control over the gRPC client's behavior, potentially improving both security and reliability of the communication.


800-808: New gRPC client dial options for retry control and resource optimization.

Two additional parameters have been introduced to the gRPC client dial options:

  1. disable_retry: When set to true, this option disables the automatic retry mechanism for failed gRPC calls. This can be useful in scenarios where you want more control over error handling or when retries might cause unintended side effects.

  2. shared_write_buffer: This option enables the sharing of write buffers among gRPC connections. This can potentially improve memory usage and performance by reducing the number of allocated buffers.

These new options provide more granular control over the gRPC client's behavior, allowing for better customization of retry logic and resource utilization.


809-817: Enhanced gRPC client connection management and identification options.

Three new parameters have been added to the gRPC client dial options:

  1. authority: This allows setting a custom authority header for gRPC calls, which can be useful in certain routing or authentication scenarios.

  2. idle_timeout: This parameter sets the duration after which an idle connection will be closed. The default value of "1h" helps manage long-lived connections efficiently.

  3. user_agent: This sets a custom user agent string for the gRPC client, which can be useful for identifying different client versions or types in logs or metrics.

These additions provide more control over how gRPC connections are managed and identified, which can be beneficial for debugging, monitoring, and optimizing gRPC communication.

charts/vald-helm-operator/crds/valdrelease.yaml (2)

938-939: New gRPC configuration options enhance system tunability

Several new gRPC-related properties have been added to the ValdRelease CRD:

  1. enable_channelz: Enables the gRPC channelz service, improving observability.
  2. max_concurrent_streams: Controls the maximum number of concurrent streams in a gRPC connection.
  3. num_stream_workers: Likely controls the number of workers handling gRPC streams.
  4. shared_write_buffer: Probably enables a shared buffer for writing, potentially improving performance.
  5. wait_for_handlers: Might make the server wait for handlers to be registered before starting.

These additions provide more granular control over gRPC behavior and performance, allowing for better tuning of the Vald system to specific deployment needs.

Also applies to: 974-975, 982-983, 986-989


2227-2228: Additional network and gRPC configuration options provide finer control

Several new properties have been added to enhance network and gRPC configurations:

  1. content_subtype (integer): Might be used to specify the content subtype for gRPC communication.
  2. In dial_option:
    • authority: Could be used to override the :authority pseudo-header in gRPC requests.
    • disable_retry: Allows disabling of retry logic.
    • idle_timeout: Sets a timeout for idle connections.
  3. max_call_attempts: Limits the number of attempts for a gRPC call.
  4. max_header_list_size: Controls the maximum size of the header list.

These additions provide more detailed control over network behavior, retry logic, and gRPC call handling. They allow for fine-tuning of the system's communication layer to meet specific performance and reliability requirements.

Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272

internal/config/server.go (1)

328-333: ⚠️ Potential issue

Address Typo in Method Name WithGRPCRegistFunc

The method WithGRPCRegistFunc appears to have a typo in its name. The word "Regist" is likely intended to be "Register". The corrected method name should be WithGRPCRegisterFunc to accurately reflect its purpose.

Apply this diff to correct the method name:

 if s.GRPC.EnableChannelz {
     opts = append(opts,
-        server.WithGRPCRegistFunc(func(srv *grpc.Server) {
+        server.WithGRPCRegisterFunc(func(srv *grpc.Server) {
             channelz.Register(srv)
         }))
 }

Ensure that this change is consistently applied throughout the codebase, including the method definition and any other usages.

Likely invalid or redundant comment.

internal/config/grpc_test.go (3)

542-543: Confirm type consistency in variable initialization

The variables initialWindowSize and initialConnectionWindowSize are now initialized with int32(100). Ensure that any functions or methods that use these variables accept int32 types to maintain type consistency.


709-709: Update test case to reflect accurate grpc.Option count

The test case name mentions "return 33 grpc.Option". Please confirm that the number of options returned by g.Opts() is indeed 33. Mismatches between expected and actual counts can lead to test failures.


781-781: Validate expected grpc.Option slice length in test

The want variable is updated to make([]grpc.Option, 33). Ensure that this matches the actual number of options generated by g.Opts() to prevent inconsistencies in the test outcomes.

go.mod (7)

16-18: Dependency Version Updates Look Good

The updates to cloud.google.com/go/storage and code.cloudfoundry.org/bytefmt reflect the latest versions. Keeping dependencies up-to-date is essential for security and feature enhancements.


26-26: Update of Azure SDK Dependency

The github.com/Azure/azure-sdk-for-go/sdk/azidentity package has been updated to v1.8.0. Ensure that any new features or changes are compatible with your implementation.


48-69: AWS SDK Dependencies Updated Successfully

The AWS SDK for Go v2 and related packages have been updated to newer versions. This is important for accessing the latest AWS features and security patches.


214-214: SQLite3 Dependency Update

The github.com/mattn/go-sqlite3 package has been updated to v1.14.24. This update may include important fixes or improvements.


297-311: 'golang.org/x' Packages Updated

Several golang.org/x packages have been updated to newer versions. These updates are beneficial for incorporating the latest improvements and security patches.


400-412: Updates in 'require' Block Look Good

Dependencies in the require block have been updated appropriately. Keeping these up-to-date helps maintain stability and compatibility.


425-437: Addition of New Indirect Dependencies

New indirect dependencies, such as cel.dev/expr and OpenTelemetry packages from github.com/GoogleCloudPlatform/opentelemetry-operations-go, have been added. This may enhance functionality related to expression evaluation and telemetry.

internal/config/server_test.go (4)

643-644: Updated field types to uint32 for consistency

The types of MaxHeaderListSize and HeaderTableSize in the fields struct have been changed from int to uint32, matching the updated types in the GRPC struct. This ensures consistency between the configuration and test code.


682-683: Assigned values with correct uint32 types

In the test case, maxHeaderListSize and headerTableSize are now initialized with uint32 values, aligning with the updated field types. This maintains type consistency within the test.


744-745: Consistent type usage in test initialization

The variables maxHeaderListSize and headerTableSize are correctly assigned uint32 values in this test case, reflecting the changes in the GRPC struct fields.


Line range hint 1372-1427: Updated expected server option count in test

In the TestServer_Opts function, the expected number of server.Options has been updated to 31, reflecting the additional gRPC server options introduced by new configuration fields such as MinTime and PermitWithoutStream in GRPCKeepalive. This ensures the test accurately validates the server options generated.

Comment on lines +3657 to +3664
"content_subtype": { "type": "integer" },
"dial_option": {
"type": "object",
"properties": {
"authority": {
"type": "string",
"description": "gRPC client dial option authority"
},
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⚠️ Potential issue

Approve authority option, but content_subtype needs clarification

The authority option is a good addition to the gRPC client dial options. However, there are concerns with the content_subtype property:

  1. It lacks a description, which is inconsistent with other properties and may confuse users.
  2. Its type is set to integer, which is unusual for a subtype. This might be an error.

Please add a description for content_subtype and verify if the integer type is correct. If it should be a string, please update the type accordingly.

server := health.NewServer()
grpc_health_v1.RegisterHealthServer(srv, server)
server.SetServingStatus(name, grpc_health_v1.HealthCheckResponse_SERVING)
func Register(srv *grpc.Server) {
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💡 Codebase verification

Remaining calls to Register with two arguments detected.

Please update the following files to align with the new Register function signature:

  • pkg/gateway/mirror/handler/rest/handler_test.go
  • pkg/gateway/mirror/handler/rest/handler.go
  • pkg/gateway/mirror/service/mirror.go
  • pkg/gateway/mirror/handler/grpc/handler_test.go
  • internal/client/v1/client/mirror/mirror_test.go
  • internal/client/v1/client/mirror/mirror.go
  • apis/grpc/v1/mirror/mirror_vtproto.pb.go

These updates are necessary to ensure compatibility with the modified function signature.

🔗 Analysis chain

Verify impact of signature change across the codebase.

The removal of the name parameter from the Register function signature is a significant change. While this simplifies the function call, it's important to ensure that all calls to this function throughout the codebase have been updated accordingly.

Let's verify the usage of this function across the codebase:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for any remaining calls to Register with two arguments

# Test: Search for function calls to Register with two arguments
rg --type go 'Register\([^,]+,[^)]+\)' --glob '!internal/net/grpc/health/health.go'

Length of output: 1452

@@ -25,4 +25,4 @@ metadata:
app.kubernetes.io/version: v1.7.13
app.kubernetes.io/component: gateway-mirror
data:
config.yaml: "---\nversion: v0.0.0\ntime_zone: UTC\nlogging:\n format: raw\n level: debug\n logger: glg\nserver_config:\n servers:\n - name: grpc\n host: 0.0.0.0\n port: 8081\n grpc:\n bidirectional_stream_concurrency: 20\n connection_timeout: \"\"\n enable_admin: true\n enable_reflection: true\n header_table_size: 0\n initial_conn_window_size: 2097152\n initial_window_size: 1048576\n interceptors:\n - RecoverInterceptor\n keepalive:\n max_conn_age: \"\"\n max_conn_age_grace: \"\"\n max_conn_idle: \"\"\n min_time: 10m\n permit_without_stream: false\n time: 3h\n timeout: 60s\n max_header_list_size: 0\n max_receive_message_size: 0\n max_send_message_size: 0\n read_buffer_size: 0\n write_buffer_size: 0\n mode: GRPC\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n socket_path: \"\"\n health_check_servers:\n - name: liveness\n host: 0.0.0.0\n port: 3000\n http:\n handler_timeout: \"\"\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: \"\"\n read_header_timeout: \"\"\n read_timeout: \"\"\n shutdown_duration: 5s\n write_timeout: \"\"\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n socket_path: \"\"\n - name: readiness\n host: 0.0.0.0\n port: 3001\n http:\n handler_timeout: \"\"\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: \"\"\n read_header_timeout: \"\"\n read_timeout: \"\"\n shutdown_duration: 0s\n write_timeout: \"\"\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n socket_path: \"\"\n metrics_servers:\n - name: pprof\n host: 0.0.0.0\n port: 6060\n http:\n handler_timeout: 5s\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: 2s\n read_header_timeout: 1s\n read_timeout: 1s\n shutdown_duration: 5s\n write_timeout: 1m\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: true\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n socket_path: \"\"\n startup_strategy:\n - liveness\n - pprof\n - grpc\n - readiness\n shutdown_strategy:\n - readiness\n - grpc\n - pprof\n - liveness\n full_shutdown_duration: 600s\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\nobservability:\n enabled: false\n otlp:\n collector_endpoint: \"\"\n trace_batch_timeout: \"1s\"\n trace_export_timeout: \"1m\"\n trace_max_export_batch_size: 1024\n trace_max_queue_size: 256\n metrics_export_interval: \"1s\"\n metrics_export_timeout: \"1m\"\n attribute:\n namespace: \"_MY_POD_NAMESPACE_\"\n pod_name: \"_MY_POD_NAME_\"\n node_name: \"_MY_NODE_NAME_\"\n service_name: \"vald-mirror-gateway\"\n metrics:\n enable_cgo: true\n enable_goroutine: true\n enable_memory: true\n enable_version_info: true\n version_info_labels:\n - vald_version\n - server_name\n - git_commit\n - build_time\n - go_version\n - go_os\n - go_arch\n - algorithm_info\n trace:\n enabled: false\ngateway:\n pod_name: _MY_POD_NAME_\n register_duration: 1s\n namespace: _MY_POD_NAMESPACE_\n discovery_duration: 1s\n colocation: dc1\n group: \n net:\n dialer:\n dual_stack_enabled: false\n keepalive: 10m\n timeout: 30s\n dns:\n cache_enabled: true\n cache_expiration: 24h\n refresh_duration: 5m\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: true\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n client:\n addrs:\n - vald-lb-gateway.default.svc.cluster.local:8081\n health_check_duration: \"1s\"\n connection_pool:\n enable_dns_resolver: true\n enable_rebalance: true\n old_conn_close_duration: 2m\n rebalance_duration: 30m\n size: 3\n backoff:\n backoff_factor: 1.1\n backoff_time_limit: 5s\n enable_error_log: true\n initial_duration: 5ms\n jitter_limit: 100ms\n maximum_duration: 5s\n retry_count: 100\n circuit_breaker:\n closed_error_rate: 0.7\n closed_refresh_timeout: 10s\n half_open_error_rate: 0.5\n min_samples: 1000\n open_timeout: 1s\n call_option:\n max_recv_msg_size: 0\n max_retry_rpc_buffer_size: 0\n max_send_msg_size: 0\n wait_for_ready: true\n dial_option:\n backoff_base_delay: 1s\n backoff_jitter: 0.2\n backoff_max_delay: 120s\n backoff_multiplier: 1.6\n enable_backoff: false\n initial_connection_window_size: 2097152\n initial_window_size: 1048576\n insecure: true\n interceptors: []\n keepalive:\n permit_without_stream: false\n time: \"\"\n timeout: 30s\n max_msg_size: 0\n min_connection_timeout: 20s\n net:\n dialer:\n dual_stack_enabled: true\n keepalive: \"\"\n timeout: \"\"\n dns:\n cache_enabled: true\n cache_expiration: 1h\n refresh_duration: 30m\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n read_buffer_size: 0\n timeout: \"\"\n write_buffer_size: 0\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n self_mirror_addr: vald-mirror-gateway.default.svc.cluster.local:8081\n gateway_addr: vald-lb-gateway.default.svc.cluster.local:8081\n"
config.yaml: "---\nversion: v0.0.0\ntime_zone: UTC\nlogging:\n format: raw\n level: debug\n logger: glg\nserver_config:\n servers:\n - name: grpc\n host: 0.0.0.0\n port: 8081\n grpc:\n bidirectional_stream_concurrency: 20\n connection_timeout: \"\"\n enable_admin: true\n enable_channelz: true\n enable_reflection: true\n header_table_size: 0\n initial_conn_window_size: 2097152\n initial_window_size: 1048576\n interceptors:\n - RecoverInterceptor\n keepalive:\n max_conn_age: \"\"\n max_conn_age_grace: \"\"\n max_conn_idle: \"\"\n min_time: 10m\n permit_without_stream: false\n time: 3h\n timeout: 60s\n max_concurrent_streams: 0\n max_header_list_size: 0\n max_receive_message_size: 0\n max_send_message_size: 0\n num_stream_workers: 0\n read_buffer_size: 0\n shared_write_buffer: false\n wait_for_handlers: true\n write_buffer_size: 0\n mode: GRPC\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n socket_path: \"\"\n health_check_servers:\n - name: liveness\n host: 0.0.0.0\n port: 3000\n http:\n handler_timeout: \"\"\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: \"\"\n read_header_timeout: \"\"\n read_timeout: \"\"\n shutdown_duration: 5s\n write_timeout: \"\"\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n socket_path: \"\"\n - name: readiness\n host: 0.0.0.0\n port: 3001\n http:\n handler_timeout: \"\"\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: \"\"\n read_header_timeout: \"\"\n read_timeout: \"\"\n shutdown_duration: 0s\n write_timeout: \"\"\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n socket_path: \"\"\n metrics_servers:\n - name: pprof\n host: 0.0.0.0\n port: 6060\n http:\n handler_timeout: 5s\n http2:\n enabled: false\n handler_limit: 0\n max_concurrent_streams: 0\n max_decoder_header_table_size: 4096\n max_encoder_header_table_size: 4096\n max_read_frame_size: 0\n max_upload_buffer_per_connection: 0\n max_upload_buffer_per_stream: 0\n permit_prohibited_cipher_suites: true\n idle_timeout: 2s\n read_header_timeout: 1s\n read_timeout: 1s\n shutdown_duration: 5s\n write_timeout: 1m\n mode: REST\n network: tcp\n probe_wait_time: 3s\n restart: true\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: true\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n socket_path: \"\"\n startup_strategy:\n - liveness\n - pprof\n - grpc\n - readiness\n shutdown_strategy:\n - readiness\n - grpc\n - pprof\n - liveness\n full_shutdown_duration: 600s\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\nobservability:\n enabled: false\n otlp:\n collector_endpoint: \"\"\n trace_batch_timeout: \"1s\"\n trace_export_timeout: \"1m\"\n trace_max_export_batch_size: 1024\n trace_max_queue_size: 256\n metrics_export_interval: \"1s\"\n metrics_export_timeout: \"1m\"\n attribute:\n namespace: \"_MY_POD_NAMESPACE_\"\n pod_name: \"_MY_POD_NAME_\"\n node_name: \"_MY_NODE_NAME_\"\n service_name: \"vald-mirror-gateway\"\n metrics:\n enable_cgo: true\n enable_goroutine: true\n enable_memory: true\n enable_version_info: true\n version_info_labels:\n - vald_version\n - server_name\n - git_commit\n - build_time\n - go_version\n - go_os\n - go_arch\n - algorithm_info\n trace:\n enabled: false\ngateway:\n pod_name: _MY_POD_NAME_\n register_duration: 1s\n namespace: _MY_POD_NAMESPACE_\n discovery_duration: 1s\n colocation: dc1\n group: \n net:\n dialer:\n dual_stack_enabled: false\n keepalive: 10m\n timeout: 30s\n dns:\n cache_enabled: true\n cache_expiration: 24h\n refresh_duration: 5m\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: true\n tcp_fast_open: true\n tcp_no_delay: true\n tcp_quick_ack: true\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n client:\n addrs:\n - vald-lb-gateway.default.svc.cluster.local:8081\n health_check_duration: \"1s\"\n connection_pool:\n enable_dns_resolver: true\n enable_rebalance: true\n old_conn_close_duration: 2m\n rebalance_duration: 30m\n size: 3\n backoff:\n backoff_factor: 1.1\n backoff_time_limit: 5s\n enable_error_log: true\n initial_duration: 5ms\n jitter_limit: 100ms\n maximum_duration: 5s\n retry_count: 100\n circuit_breaker:\n closed_error_rate: 0.7\n closed_refresh_timeout: 10s\n half_open_error_rate: 0.5\n min_samples: 1000\n open_timeout: 1s\n call_option:\n content_subtype: 0\n max_recv_msg_size: 0\n max_retry_rpc_buffer_size: 0\n max_send_msg_size: 0\n wait_for_ready: true\n dial_option:\n authority: \"\"\n backoff_base_delay: 1s\n backoff_jitter: 0.2\n backoff_max_delay: 120s\n backoff_multiplier: 1.6\n disable_retry: false\n enable_backoff: false\n idle_timeout: 1h\n initial_connection_window_size: 2097152\n initial_window_size: 1048576\n insecure: true\n interceptors: []\n keepalive:\n permit_without_stream: false\n time: \"\"\n timeout: 30s\n max_call_attempts: 0\n max_header_list_size: 0\n max_msg_size: 0\n min_connection_timeout: 20s\n net:\n dialer:\n dual_stack_enabled: true\n keepalive: \"\"\n timeout: \"\"\n dns:\n cache_enabled: true\n cache_expiration: 1h\n refresh_duration: 30m\n socket_option:\n ip_recover_destination_addr: false\n ip_transparent: false\n reuse_addr: true\n reuse_port: true\n tcp_cork: false\n tcp_defer_accept: false\n tcp_fast_open: false\n tcp_no_delay: false\n tcp_quick_ack: false\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n read_buffer_size: 0\n shared_write_buffer: false\n timeout: \"\"\n user_agent: Vald-gRPC\n write_buffer_size: 0\n tls:\n ca: /path/to/ca\n cert: /path/to/cert\n enabled: false\n insecure_skip_verify: false\n key: /path/to/key\n self_mirror_addr: vald-mirror-gateway.default.svc.cluster.local:8081\n gateway_addr: vald-lb-gateway.default.svc.cluster.local:8081\n"
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🛠️ Refactor suggestion

Consider restructuring the ConfigMap for improved readability

The current ConfigMap structure has the entire configuration as a single long string. While this is valid, it can make the configuration harder to read, maintain, and update.

Consider restructuring the ConfigMap to use YAML's native multi-line string syntax or splitting it into multiple keys. This can improve readability and make it easier to update specific sections of the configuration.

Example of using YAML's multi-line string syntax:

apiVersion: v1
kind: ConfigMap
metadata:
  name: vald-mirror-gateway-config
  # ... (other metadata)
data:
  config.yaml: |
    version: v0.0.0
    time_zone: UTC
    logging:
      format: raw
      level: debug
      logger: glg
    # ... (rest of the configuration)

This structure allows for easier version control diff reviews and simplifies updates to specific sections of the configuration.


💡 Codebase verification

Missing Documentation for New gRPC Server Configurations

The newly added configurations in k8s/gateway/gateway/mirror/configmap.yaml are not documented within the codebase. Please add comments to explain the purpose and impact of the following configurations:

  • num_stream_workers: The impact of setting this to 0 is unclear and needs clarification.
  • shared_write_buffer: Explanation of how this affects write operations.
  • wait_for_handlers: Details on how this impacts server initialization and request handling.
🔗 Analysis chain

New gRPC server configurations added

The following new configurations have been added to the gRPC server:

  • enable_channelz: true: This enables gRPC channelz, which is useful for debugging and monitoring gRPC services.
  • num_stream_workers: 0: The impact of setting this to 0 is unclear and may need clarification.
  • shared_write_buffer: false: This new setting might affect how the server handles write operations.
  • wait_for_handlers: true: This configuration could impact how the server initializes and handles requests.

To ensure these configurations are properly documented and their impacts are understood, please run:

Consider adding comments in the YAML file to explain the purpose and impact of these new configurations, especially for num_stream_workers, shared_write_buffer, and wait_for_handlers.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for documentation or comments related to these new configurations
rg --type go "enable_channelz|num_stream_workers|shared_write_buffer|wait_for_handlers" internal/

Length of output: 667


Script:

#!/bin/bash
# Search for documentation or comments related to the new configurations
rg --type go "enable_channelz|num_stream_workers|shared_write_buffer|wait_for_handlers" internal/

Length of output: 851


💡 Codebase verification

⚠️ Potential issue

Incorrect data types in gRPC client call options

  1. content_subtype: 0: This field is defined as a string in the code but is set to an integer in configmap.yaml. It should be updated to an appropriate string value (e.g., "proto" or "json").

  2. max_call_attempts: 0: Setting this to 0 may disable retry attempts. Please confirm if this is the intended behavior. If retries are desired, consider setting it to a positive integer.

🔗 Analysis chain

Review gRPC client call options

Two configurations in the gRPC client call options need attention:

  1. content_subtype: 0: This appears to be set as an integer, but content_subtype is typically a string value (e.g., "proto" or "json"). Please verify if this is the intended value or if it should be a string.

  2. max_call_attempts: 0: Setting this to 0 might disable retry attempts. Please clarify if this is the intended behavior.

The content_subtype value should be a string. Consider updating it to an appropriate string value or removing it if not needed.

To check the correct usage of these options, please run:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for the usage of content_subtype and max_call_attempts in the codebase
rg --type go "content_subtype|max_call_attempts" internal/

Length of output: 667


Script:

#!/bin/bash
# Search for the usage of content_subtype and max_call_attempts in the Go codebase
rg --type go "content_subtype|max_call_attempts" internal/

Length of output: 321


Script:

#!/bin/bash
# Extract line 28 from configmap.yaml to verify the value of content_subtype
sed -n '28p' k8s/gateway/gateway/mirror/configmap.yaml

Length of output: 9051

@@ -425,6 +446,7 @@ data:
min_samples: 1000
open_timeout: 1s
call_option:
content_subtype: 0
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⚠️ Potential issue

Inconsistent gRPC client options for agent_client_options

The agent_client_options section has not been fully updated to match the new gRPC client options added to the corrector and discoverer sections. This inconsistency could lead to different behavior or capabilities between components.

To maintain consistency and ensure all components have the same level of configuration control, consider updating the agent_client_options section to include all the new options:

agent_client_options:
  call_option:
    content_subtype: 0
    # ... (other existing options)
  dial_option:
    authority: ""
    disable_retry: false
    idle_timeout: 1h
    max_call_attempts: 0
    max_header_list_size: 0
    user_agent: Vald-gRPC
    # ... (other existing options)

Please review and adjust these values as needed for the specific requirements of the agent client.

grpc.WithBackoffMaxDelay(g.DialOption.BackoffMaxDelay),
grpc.WithBackoffMaxDelay(g.DialOption.BackoffMaxDelay),
grpc.WithClientInterceptors(g.DialOption.Interceptors...),
grpc.WithDisableRetry(g.DialOption.DisableRetry),
grpc.WithIdleTimeout(g.DialOption.IdleTimeout),
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⚠️ Potential issue

Fix type mismatch in grpc.WithIdleTimeout

The grpc.WithIdleTimeout function expects a time.Duration, but g.DialOption.IdleTimeout is a string. You need to parse this string into a time.Duration before passing it to the function.

Apply this diff to fix the issue:

-     grpc.WithIdleTimeout(g.DialOption.IdleTimeout),
+     idleTimeoutDuration, err := time.ParseDuration(g.DialOption.IdleTimeout)
+     if err != nil {
+         return nil, err
+     }
+     grpc.WithIdleTimeout(idleTimeoutDuration),

Alternatively, consider parsing IdleTimeout in the Bind method and storing it as a time.Duration.

Committable suggestion was skipped due to low confidence.

Comment on lines +507 to +508
InitialWindowSize int32
InitialConnectionWindowSize int32
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💡 Codebase verification

Inconsistent Type Declarations for Window Size Fields

The fields InitialWindowSize and InitialConnectionWindowSize are still declared as int in the following files:

  • internal/config/server.go:
    InitialWindowSize              int            `json:"initial_window_size,omitempty"              yaml:"initial_window_size"`
    InitialConnectionWindowSize    int            `json:"initial_connection_window_size,omitempty" yaml:"initial_connection_window_size"`

Please update these declarations to int32 to ensure type consistency and prevent potential type mismatch errors.

🔗 Analysis chain

Ensure consistent use of int32 for window size fields

The types of InitialWindowSize and InitialConnectionWindowSize have been changed from int to int32. Please verify that all assignments and usages of these fields throughout the codebase are updated accordingly to prevent type mismatch errors.

You can run the following script to find all usages:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Find all usages of InitialWindowSize and InitialConnectionWindowSize

# Expected: All usages should be compatible with int32
rg --type go "Initial(WindowSize|ConnectionWindowSize)" -A 5

Length of output: 21547

@@ -154,7 +154,7 @@ replace (
github.com/google/gofuzz => github.com/google/gofuzz v1.2.0
github.com/google/martian => github.com/google/martian v2.1.0+incompatible
github.com/google/martian/v3 => github.com/google/martian/v3 v3.3.3
github.com/google/pprof => github.com/google/pprof v0.0.0-20241001023024-f4c0cfd0cf1d
github.com/google/pprof => github.com/google/pprof v0.0.0-20241008150032-332c0e1a4a34
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⚠️ Potential issue

Unusual Version Timestamp in 'github.com/google/pprof'

The version specified for github.com/google/pprof is v0.0.0-20241008150032-332c0e1a4a34, which includes a future timestamp. This may indicate an unintended or incorrect version reference.

Please verify the version and update it if necessary to a stable release.

@@ -192,7 +192,7 @@
github.com/jstemmer/go-junit-report => github.com/jstemmer/go-junit-report v1.0.0
github.com/kisielk/errcheck => github.com/kisielk/errcheck v1.7.0
github.com/kisielk/gotool => github.com/kisielk/gotool v1.0.0
github.com/klauspost/compress => github.com/klauspost/compress v1.17.11-0.20241002081118-f2a4f2583ec1
github.com/klauspost/compress => github.com/klauspost/compress v1.17.11-0.20241008092028-72cd4a92a8b1
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⚠️ Potential issue

Unexpected Future Timestamp in Dependency Version

The dependency github.com/klauspost/compress is set to version v1.17.11-0.20241008092028-72cd4a92a8b1, which contains a future date in its timestamp. This could lead to build inconsistencies or unexpected behavior.

Consider specifying a stable release version to ensure reliability.

Comment on lines +319 to +321
google.golang.org/genproto => google.golang.org/genproto v0.0.0-20241007155032-5fefd90f89a9
google.golang.org/genproto/googleapis/api => google.golang.org/genproto/googleapis/api v0.0.0-20241007155032-5fefd90f89a9
google.golang.org/genproto/googleapis/rpc => google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9
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⚠️ Potential issue

Future Timestamps in 'genproto' Packages

The versions for google.golang.org/genproto packages include future timestamps (v0.0.0-20241007155032-5fefd90f89a9). This might indicate incorrect versioning.

Please confirm that these versions are intentional and compatible with your codebase.

@@ -349,7 +349,7 @@
)

require (
buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.34.2-20240920164238-5a7b106cbb87.2
buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.35.1-20240920164238-5a7b106cbb87.1
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⚠️ Potential issue

Potential Issue with 'buf.build' Dependency Version

The dependency buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go has a version v1.35.1-20240920164238-5a7b106cbb87.1 that includes a future timestamp.

Verify that this is the correct version and adjust if necessary.

@kpango kpango force-pushed the feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received branch from bbe16e5 to 19f6416 Compare October 8, 2024 22:58
@kpango kpango closed this Oct 8, 2024
@kpango kpango deleted the feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received branch October 8, 2024 22:59
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