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Disaster recovery feature via mongodb replica set #1311

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merged 34 commits into from
Jun 27, 2024

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jkralik
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@jkralik jkralik commented May 28, 2024

Description

The primary and standby cluster MongoDB members are in the same MongoDB replica set. The standby cluster members are configured as hidden, delayed, and with zero priority. When the primary cluster goes down, the standby cluster MongoDB members are promoted to standby state—one of them will become primary by administrator. After the primary is back online, the primary cluster members will be demoted to hidden. For switching back, the primary cluster members will be promoted to secondary MongoDB members and standby cluster members will be demoted.

Other changes

  • Upgrade mongodb to v7

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coderabbitai bot commented May 28, 2024

Warning

Review failed

The head commit changed during the review from a76336c to 7d4852d.

Walkthrough

This update introduces enhancements and new components related to MongoDB tools within a Kubernetes environment. Key changes include the addition of job configurations for mongodb-standby-tool and mongodb-admin-tool in the GitHub workflow, expanded Helm chart templates for certificate configurations, and new Dockerfiles and Makefiles for building and deploying MongoDB management tools. These additions bolster the automation and configuration capabilities of MongoDB replica sets, improving deployment and administration tasks.

Changes

File(s) Change Summary
.github/workflows/build-publish.yaml Added job configurations for mongodb-standby-tool and mongodb-admin-tool, specifying directories and Dockerfile paths.
charts/plgd-hub/...helpers.tpl Modified plgd-hub.name template; introduced new templates for certificate configurations, and restructured plgd-hub.certificateConfig to support additional parameters.
charts/plgd-hub/...coap-gateway/_helpers.tpl Introduced a new template for generating client certificate names in the CoAP gateway.
charts/plgd-hub/...mongodb-standby-tool/_helpers.tpl Added template definitions for MongoDB standby tool configurations within Kubernetes environment.
tools/mongodb/admin-tool/Dockerfile Introduced a multi-stage Docker build process for creating a MongoDB admin tool container image.
tools/mongodb/admin-tool/Makefile Added a Makefile for building, tagging, and pushing Docker images for the MongoDB admin tool, along with protobuf file generation targets.
tools/mongodb/admin-tool/main.go Added functionality for MongoDB admin tool, including TLS configurations, connecting to MongoDB, executing eval commands, and outputting results in JSON format.
tools/mongodb/standby-tool/Dockerfile Added a multi-stage Dockerfile to create a standalone MongoDB standby tool container.
tools/mongodb/standby-tool/Makefile Added a Makefile defining targets for building and pushing Docker images for the standby tool, with build arguments and tagging variables.
tools/mongodb/standby-tool/main.go Introduced functionality for managing MongoDB replica sets, configuring standby and secondary members, setting up TLS, handling primary member transitions, and enhancing configuration validation.

Poem

🐇
In a realm filled with code and dreams,
Where MongoDB flows in digital streams,
New tools arrive, like springtime beams,
Bringing efficiency to data teams.

Dockerfiles build, Makefiles sing,
With configs that manage everything,
Certificates and replicas in harmony,
Kubernetes now holds the key.

🌱✨


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@jkralik jkralik force-pushed the jkralik/feature/standby-cluster branch 7 times, most recently from 4f62e93 to 4a0dfbe Compare June 3, 2024 13:40
@jkralik jkralik force-pushed the jkralik/feature/standby-cluster branch 15 times, most recently from 9d2e5bb to 314c357 Compare June 10, 2024 14:28
@jkralik jkralik force-pushed the jkralik/feature/standby-cluster branch 3 times, most recently from a481d7a to d5c3e84 Compare June 14, 2024 11:38
@jkralik jkralik force-pushed the jkralik/feature/standby-cluster branch from a9f5b7f to 7c58ac9 Compare June 25, 2024 12:55
@jkralik jkralik marked this pull request as ready for review June 25, 2024 12:55
@jkralik jkralik requested a review from Danielius1922 June 25, 2024 12:56
@jkralik
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jkralik commented Jun 25, 2024

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coderabbitai bot commented Jun 25, 2024

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Actionable comments posted: 11

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 791822e and 7c58ac9.

Files ignored due to path filters (33)
  • charts/plgd-hub/Chart.lock is excluded by !**/*.lock, !**/*.lock
  • charts/plgd-hub/Chart.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certificate-authority/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certificate-authority/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/authorization-ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/coap/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/internal/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/issuer.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/mongodb-ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/mongodb-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/scylla-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/client-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/grpc-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/grpc-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/http-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/http-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/identity-store/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/identity-store/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mock-oauth-server/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mock-oauth-server/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/job.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/role.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/service-account.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-aggregate/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-aggregate/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-directory/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-directory/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/values.yaml is excluded by !**/*.yaml
  • tools/mongodb/standby-tool/config.yaml is excluded by !**/*.yaml
Files selected for processing (10)
  • .github/workflows/build-publish.yaml (1 hunks)
  • charts/plgd-hub/templates/_helpers.tpl (6 hunks)
  • charts/plgd-hub/templates/coap-gateway/_helpers.tpl (1 hunks)
  • charts/plgd-hub/templates/mongodb-standby-tool/_helpers.tpl (1 hunks)
  • tools/mongodb/admin-tool/Dockerfile (1 hunks)
  • tools/mongodb/admin-tool/Makefile (1 hunks)
  • tools/mongodb/admin-tool/main.go (1 hunks)
  • tools/mongodb/standby-tool/Dockerfile (1 hunks)
  • tools/mongodb/standby-tool/Makefile (1 hunks)
  • tools/mongodb/standby-tool/main.go (1 hunks)
Additional context used
Hadolint
tools/mongodb/standby-tool/Dockerfile

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

tools/mongodb/admin-tool/Dockerfile

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 28-28: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

Additional comments not posted (28)
tools/mongodb/admin-tool/Makefile (1)

1-10: Ensure environment variable defaults are secure and robust.

The Makefile uses several environment variables with default values. These defaults are crucial for ensuring that the build process is predictable and stable across different environments.

tools/mongodb/standby-tool/Makefile (1)

1-10: Review environment variable defaults for robustness.

Similar to the admin tool, ensure that the environment variable defaults are appropriate and secure for the standby tool.

charts/plgd-hub/templates/mongodb-standby-tool/_helpers.tpl (7)

2-13: Ensure consistent naming conventions and manage overrides effectively

The template plgd-hub.mongodb-standby-tool.fullname handles naming with potential overrides. It effectively manages different naming scenarios based on whether a fullnameOverride or nameOverride is provided, and concatenates names based on the release name and chart name, ensuring Kubernetes naming conventions (max 63 characters, no trailing hyphens). This is a crucial configuration for Kubernetes resource management and should be maintained carefully to avoid naming conflicts.


15-19: Good use of Kubernetes labels for selector configuration

This segment defines Kubernetes selector labels for the MongoDB standby tool, ensuring that the labels are consistent and correctly reference the configuration name. This is important for Kubernetes' ability to correctly identify and group related resources.


21-26: Dynamic image naming ensures flexibility and maintainability

The template dynamically constructs the Docker image name using registry, repository, and tag values from configurations, providing flexibility and maintainability for image deployments. This approach allows easy updates to image versions or registries without hardcoding values, which is a best practice in Kubernetes configurations.


28-35: Conditional logic for certificate creation might need clarification

The plgd-hub.mongodb-standby-tool.createCertByCm template uses a conditional to determine whether to create a certificate by config map based on the TLS configuration. It might be beneficial to add comments explaining under what conditions certificates are expected to be created, as this can be a critical security configuration.

+    # Add comments to explain when certificates are created by config map

37-40: Template for configuration name is well-defined

This template generates a configuration name for the MongoDB standby tool, ensuring it is unique and follows naming conventions. This is crucial for identifying specific configurations in a potentially complex Kubernetes environment.


42-44: Consistent naming for job certificates

The plgd-hub.mongodb-standby-tool.jobCertName template consistently names the job certificates, which is important for managing TLS configurations and ensuring that the correct certificates are used in the appropriate contexts.


46-52: Conditional enabling of MongoDB standby tool is well-handled

The template handles the conditional enabling of the MongoDB standby tool based on multiple conditions (MongoDB enabled, standby tool enabled, and members specified). This is a good use of Helm's templating capabilities to manage feature flags and deployment configurations dynamically.

.github/workflows/build-publish.yaml (1)

112-117: Addition of MongoDB tools to the build and publish workflow

The new entries for mongodb-standby-tool and mongodb-admin-tool in the workflow matrix ensure that these tools are built and published alongside other components. This integration is crucial for automating the build and deployment processes, ensuring that these tools are always up-to-date and available.

tools/mongodb/admin-tool/main.go (4)

21-45: Comprehensive argument parsing for MongoDB admin tool

The parseArgs function is well-structured and covers all necessary parameters, including TLS configurations and MongoDB URI. This thorough approach ensures that the tool can be flexibly configured via command-line arguments, which is essential for different deployment environments.


54-83: Robust error handling in command parsing

The parseEvalCommand function includes detailed error handling to ensure that the MongoDB admin commands are correctly formatted. This robust error checking is critical to prevent runtime errors during the evaluation of MongoDB commands.


85-110: Secure TLS configuration setup

The prepareClientOpts function correctly sets up TLS configurations based on provided arguments, including loading certificates and setting up the CA pool. This is crucial for ensuring secure connections to MongoDB, especially in production environments.


112-161: Effective MongoDB connection and command execution

The run function effectively manages the MongoDB connection, executes commands, and handles errors appropriately. It also ensures that results are correctly encoded and printed, providing a comprehensive approach to running MongoDB admin tasks.

charts/plgd-hub/templates/_helpers.tpl (12)

5-5: Ensure name template handles special characters correctly

The modification in the plgd-hub.name template to replace + with _ in nameOverride ensures that the names are DNS compliant, which is crucial for Kubernetes resource management. This change prevents potential issues with resource identification and management within Kubernetes.


80-96: Enhanced certificate configuration template

The new plgd-hub.certificateConfigWithExtraCAPool template adds flexibility for managing certificates with an extra CA pool, which is crucial for environments requiring additional certificate authorities for enhanced security.


109-114: Internal certificate configuration

The plgd-hub.internalCertificateConfig template extends the base certificate configuration to include internal-specific settings, providing a tailored approach to certificate management for internal components.


116-121: CoAP-specific certificate configuration

The plgd-hub.coapCertificateConfig template specifically addresses certificate configurations for CoAP gateways, ensuring that these components have the appropriate security settings, which is crucial for secure IoT communications.


123-128: Storage-specific certificate configuration

The plgd-hub.storageCertificateConfig template provides a focused approach to managing certificates for storage components, ensuring that data storage and retrieval operations are securely managed.


130-130: Refined base certificate configuration

The updates to the plgd-hub.certificateConfig template to include logic for caPool and extraCAPool provide a more robust and flexible approach to managing certificates, ensuring compatibility with various security requirements.


151-156: Authorization-specific certificate configuration

The plgd-hub.authorizationCaCertificateConfig template extends the certificate configuration to include settings specific to authorization components, ensuring that these critical security features are appropriately configured.


447-455: Dynamic replica configuration based on global settings

The plgd-hub.replicas template dynamically configures the number of replicas based on global standby settings, providing a flexible approach to scaling and resource management based on operational requirements.


457-464: Conditional configuration for extra CA pools

The plgd-hub.extraCAPoolAuthorizationEnabled template provides a conditional configuration for enabling extra CA pools specifically for authorization, adding an additional layer of security customization based on deployment needs.


466-473: Internal components extra CA pool configuration

The plgd-hub.extraCAPoolInternalEnabled template allows for the conditional inclusion of an extra CA pool for internal components, enhancing the security configuration flexibility for different parts of the system.


475-482: Storage components extra CA pool configuration

The plgd-hub.extraCAPoolStorageEnabled template enables the conditional inclusion of an extra CA pool for storage components, ensuring that data storage security can be enhanced as needed.


484-491: CoAP components extra CA pool configuration

The plgd-hub.extraCAPoolCoapEnabled template allows for the conditional inclusion of an extra CA pool specifically for CoAP components, providing targeted security enhancements for IoT communication gateways.

tools/mongodb/standby-tool/main.go (2)

88-139: Check for potential data races and optimize context usage.

The main function initializes several components that could potentially be accessed concurrently. Ensure that there are no data races, especially with the certClient and fileWatcher. Also, consider reusing the same context instead of creating a new one for each operation to reduce overhead.


665-684: Ensure atomicity in reconfigureRS method.

The reconfigureRS method modifies the replica set configuration. It's crucial to ensure the operation's atomicity and handle potential interruptions or errors gracefully.

tools/mongodb/admin-tool/Makefile Show resolved Hide resolved
tools/mongodb/standby-tool/Makefile Show resolved Hide resolved
tools/mongodb/standby-tool/Makefile Show resolved Hide resolved
tools/mongodb/admin-tool/Dockerfile Show resolved Hide resolved
tools/mongodb/standby-tool/main.go Outdated Show resolved Hide resolved
tools/mongodb/standby-tool/main.go Outdated Show resolved Hide resolved
tools/mongodb/standby-tool/main.go Outdated Show resolved Hide resolved
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Actionable comments posted: 6

Outside diff range and nitpick comments (1)
tools/mongodb/standby-tool/Dockerfile (1)

1-33: Review and approve the Dockerfile structure and logic.

The structure of the Dockerfile, including the multi-stage build and the separation of concerns between stages, is well-planned and implemented. Ensure that all ARGs and environment variables are used securely and appropriately throughout the build.

Tools
Hadolint

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 791822e and 7c58ac9.

Files ignored due to path filters (33)
  • charts/plgd-hub/Chart.lock is excluded by !**/*.lock, !**/*.lock
  • charts/plgd-hub/Chart.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certificate-authority/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certificate-authority/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/authorization-ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/coap/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/internal/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/issuer.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/mongodb-ca-pool.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/mongodb-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/certs/storage/scylla-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/client-crt.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/coap-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/grpc-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/grpc-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/http-gateway/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/http-gateway/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/identity-store/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/identity-store/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mock-oauth-server/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mock-oauth-server/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/job.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/role.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/mongodb-standby-tool/service-account.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-aggregate/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-aggregate/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-directory/config.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/templates/resource-directory/deployment.yaml is excluded by !**/*.yaml
  • charts/plgd-hub/values.yaml is excluded by !**/*.yaml
  • tools/mongodb/standby-tool/config.yaml is excluded by !**/*.yaml
Files selected for processing (10)
  • .github/workflows/build-publish.yaml (1 hunks)
  • charts/plgd-hub/templates/_helpers.tpl (6 hunks)
  • charts/plgd-hub/templates/coap-gateway/_helpers.tpl (1 hunks)
  • charts/plgd-hub/templates/mongodb-standby-tool/_helpers.tpl (1 hunks)
  • tools/mongodb/admin-tool/Dockerfile (1 hunks)
  • tools/mongodb/admin-tool/Makefile (1 hunks)
  • tools/mongodb/admin-tool/main.go (1 hunks)
  • tools/mongodb/standby-tool/Dockerfile (1 hunks)
  • tools/mongodb/standby-tool/Makefile (1 hunks)
  • tools/mongodb/standby-tool/main.go (1 hunks)
Additional context used
Hadolint
tools/mongodb/standby-tool/Dockerfile

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

tools/mongodb/admin-tool/Dockerfile

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 28-28: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

Additional comments not posted (30)
tools/mongodb/admin-tool/Makefile (2)

28-36: Approve Docker image building and pushing logic.

The logic to build and push Docker images appears correct and follows standard practices. However, ensure that the Docker repository and tags are appropriately managed in your CI/CD pipelines to avoid conflicts and overwrites.


2-10: Validate environment variable defaults and ensure consistency in naming conventions.

Ensure that the default values for environment variables like LATEST_TAG, VERSION_TAG, and others are appropriately set and consistent across your Makefiles. This helps maintain uniformity and predictability in your builds.

Verification successful

Environment variable defaults are consistent across Makefiles.

The environment variables such as LATEST_TAG, VERSION_TAG, GOPATH, BUILD_COMMIT_DATE, BUILD_SHORT_COMMIT, BUILD_DATE, and BUILD_VERSION are consistently defined across different Makefiles, maintaining uniformity and predictability in builds.

  • Consistent definitions observed in:
    • certificate-authority/Makefile
    • cloud2cloud-gateway/Makefile
    • bundle/Makefile
    • coap-gateway/Makefile
    • identity-store/Makefile
    • cloud2cloud-connector/Makefile
    • resource-directory/Makefile
    • http-gateway/Makefile
    • tools/cert-tool/Makefile
    • tools/mongodb/standby-tool/Makefile
    • tools/mongodb/admin-tool/Makefile
    • resource-aggregate/Makefile
    • grpc-gateway/Makefile
Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Check for consistency in environment variable defaults across Makefiles.

# Test: Search for environment variable defaults across all Makefiles. Expect: Consistent defaults.
rg --type make '^\w+ \?= ' --files-with-matches | xargs rg --type make '^\w+ \?= '

Length of output: 10632

tools/mongodb/standby-tool/Makefile (4)

2-10: Validate environment variable defaults and ensure consistency in naming conventions.

As previously noted, ensure that the default values for environment variables like LATEST_TAG, VERSION_TAG, and others are appropriately set and consistent across your Makefiles. This helps maintain uniformity and predictability in your builds.


14-26: Ensure Docker build process is optimized and secure.

As with the admin-tool, verify the security and efficiency of the Docker build process here. Consider the same improvements suggested previously.


28-36: Approve Docker image building and pushing logic.

The logic to build and push Docker images here mirrors that of the admin-tool and follows standard practices.


37-40: Consider adding actual implementation for proto/generate.

Ensure that the proto/generate target has its corresponding logic implemented, as noted in the admin-tool review.

tools/mongodb/admin-tool/Dockerfile (2)

9-9: Pin package versions in apk commands to ensure reproducibility and security.

As in the standby-tool Dockerfile, ensure that package versions in apk add commands are pinned to prevent unexpected changes in dependencies and enhance security.

Also applies to: 25-25, 28-28

Tools
Hadolint

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


1-34: Review and approve the Dockerfile structure and logic.

The structure of the Dockerfile, including the multi-stage build and the separation of concerns between stages, is well-planned and implemented, similar to the standby-tool Dockerfile.

Tools
Hadolint

[warning] 9-9: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 25-25: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)


[warning] 28-28: Pin versions in apk add. Instead of apk add <package> use apk add <package>=<version> (DL3018)

charts/plgd-hub/templates/coap-gateway/_helpers.tpl (1)

40-43: New template for client certificate names is well-defined.

The addition of the plgd-hub.coapgateway.clientCertName template is well-implemented. It uses existing patterns and maintains consistency with other naming conventions in the project.

charts/plgd-hub/templates/mongodb-standby-tool/_helpers.tpl (7)

2-13: New template for MongoDB standby tool fullname generation

This template handles the generation of a full name for the MongoDB standby tool. It accounts for overrides and integration with the release name. The logic to handle truncation and suffix removal is correctly implemented.


15-19: New selector labels for MongoDB standby tool

The selector labels defined here are crucial for Kubernetes deployments to ensure that the correct resources are associated with the MongoDB standby tool. The use of include for the config name is a good practice, ensuring modularity.


21-26: Template for image configuration of MongoDB standby tool

This template correctly constructs the Docker image name using registry, repository, and tag information from the Helm values. It handles defaults properly and converts the app version to a string when necessary.


28-35: Conditional logic for certificate creation by ConfigMap

This template provides a mechanism to decide whether to create a certificate by ConfigMap based on the TLS configuration. The approach of using a simple conditional check (if $serviceTls) is straightforward and effective.


37-40: Configuration name generation for MongoDB standby tool

This template generates a configuration name for the MongoDB standby tool, which is essential for identifying related Kubernetes resources. The use of the include function to reuse the fullname template is a good practice that enhances maintainability.


42-44: Job certificate name generation for MongoDB standby tool

This template simplifies the generation of a certificate name for jobs related to the MongoDB standby tool. The hardcoded certificate name "mongodb-cm-crt" is consistent and clear.


46-52: Conditional enabling of MongoDB standby tool

This template uses a complex condition to determine if the MongoDB standby tool should be enabled. It checks multiple conditions related to MongoDB configuration and the standby tool's specific settings. The use of the printf function to return a boolean string is appropriate here.

.github/workflows/build-publish.yaml (1)

112-117: Addition of MongoDB tools to the build-and-publish job

The new job configurations for the MongoDB standby and admin tools are correctly set up with appropriate directories and Dockerfile paths. This ensures that the Docker images for these tools are built and published correctly.

tools/mongodb/admin-tool/main.go (6)

21-29: Definition of MongoArgs struct

The MongoArgs struct is well-defined with appropriate fields for managing MongoDB connection and command execution settings, including TLS configuration and direct connection flags.


31-45: Argument parsing function

The parseArgs function correctly initializes and parses command-line arguments into the MongoArgs struct. The use of flag package functions is appropriate, and the function structure is clear and concise.


47-52: JSON keys formatting function

This function modifies JSON strings to ensure keys are quoted correctly, which is crucial for BSON parsing. The use of regular expressions here is efficient for the expected input format.


54-83: Command parsing and error handling in MongoDB tool

The parseEvalCommand function robustly handles the parsing of MongoDB admin commands from input strings. Error handling is comprehensive, providing clear error messages for different failure scenarios.


85-109: MongoDB client options preparation with TLS configuration

This function prepares MongoDB client options, handling both TLS and non-TLS configurations. The error handling and conditional logic are correctly implemented to ensure secure connections.


112-161: Main runtime logic for MongoDB admin tool

The run function orchestrates the MongoDB connection and command execution process. It includes comprehensive error handling and resource management, such as connection cleanup and context handling.

charts/plgd-hub/templates/_helpers.tpl (5)

5-5: Update to plgd-hub.name template

The modification to replace "+" with "_" in the name template is a small but important change for ensuring Kubernetes resource names are DNS compliant.


80-96: New template for certificate configuration with extra CA pool

This new template plgd-hub.certificateConfigWithExtraCAPool adds flexibility in handling certificates with an extra CA pool. It correctly uses conditional logic to determine the CA pool configuration based on Helm values.


109-114: Introduction of various certificate configuration templates

These templates (plgd-hub.internalCertificateConfig, plgd-hub.coapCertificateConfig, plgd-hub.storageCertificateConfig, plgd-hub.authorizationCaCertificateConfig) enhance the modularity and reusability of certificate configurations across different components of the plgd-hub. They correctly include the new plgd-hub.certificateConfigWithExtraCAPool template for extended functionality.

Also applies to: 116-121, 123-128, 151-156


447-455: Template for handling replicas based on global standby configuration

The plgd-hub.replicas template correctly uses a conditional check to set the number of replicas to 0 if a global standby is enabled, providing a clear mechanism to manage scaling in standby scenarios.


457-464: Conditional templates for extra CA pool management

These templates (plgd-hub.extraCAPoolAuthorizationEnabled, plgd-hub.extraCAPoolInternalEnabled, plgd-hub.extraCAPoolStorageEnabled, plgd-hub.extraCAPoolCoapEnabled) provide conditional logic to enable or disable extra CA pools based on global configurations. The use of the resolveTemplateString function adds a layer of dynamic configuration based on Helm values.

Also applies to: 466-472, 475-481, 484-490

tools/mongodb/standby-tool/main.go (2)

20-23: Struct Definitions: Ensure Consistency and Correctness

The struct definitions for StandbyConfig, SecondaryConfig, ReplicaSetConfig, TLSConfig, and Config are well-defined with appropriate YAML tags. Ensure that these tags are consistent with the YAML configuration files used in the project.

Also applies to: 25-29, 31-36, 38-41, 43-55


287-305: MongoDB Connection Handling: Security and Performance

The connectMongo function correctly sets up MongoDB client options, including TLS configuration. Ensure that the TLS settings are securely configured and that the MongoDB server's certificate is properly validated.

Verification successful

MongoDB Connection Handling: Security and Performance

The connectMongo function correctly sets up MongoDB client options, including TLS configuration. The GetTLSConfig method in certManager returns the server's TLS configuration, which ensures that the MongoDB server's certificate is properly validated. This confirms that the TLS settings are securely configured.

  • Implementation of GetTLSConfig method:
    • ./pkg/security/certManager/server/certManager.go:
      func (c *CertManager) GetTLSConfig() *tls.Config {
          return c.c.GetServerTLSConfig()
      }
    • ./pkg/security/certManager/client/certManager.go:
      func (c *CertManager) GetTLSConfig() *tls.Config {
          return c.c.GetClientTLSConfig()
      }

These methods ensure that the returned tls.Config is used to validate the MongoDB server's certificate, enhancing security.

  • TLS Configuration References:
    • The search results indicate multiple references to TLS configurations across the codebase, ensuring a consistent and secure setup.

Thus, the TLS settings for MongoDB connections are securely configured, and the MongoDB server's certificate is properly validated.

Scripts executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify MongoDB server's certificate validation.
# Test: Check for TLS certificate validation settings in the MongoDB configuration.
grep "tlsConfig" -A 5 -R ./config

Length of output: 75



Script:

#!/bin/bash
# Search for the implementation of the GetTLSConfig method in the codebase
ast-grep --lang go --pattern 'func ($_ *$_) GetTLSConfig() $_' --json

# Search for TLS configuration settings in the codebase
rg --ignore-case 'tls'

Length of output: 156535

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Actionable comments posted: 6

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tools/mongodb/standby-tool/main.go (1)

35-52: Review of SecondaryConfig Validation.

Validation checks for non-negative values in SecondaryConfig which is crucial for votes and priority settings. This is well-implemented and follows good practices.

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@Danielius1922
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@jkralik can you clean up SC issues, nothing important there, just some smells

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Actionable comments posted: 6

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  • charts/plgd-hub/templates/mongodb-standby-tool/config.yaml is excluded by !**/*.yaml
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Actionable comments posted: 5

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@jkralik jkralik changed the title standby-cluster: provide disaster recovery for mongodb Disaster recovery feature via mongodb replica set Jun 27, 2024
@jkralik jkralik merged commit 5e5424d into main Jun 27, 2024
34 of 35 checks passed
@jkralik jkralik deleted the jkralik/feature/standby-cluster branch June 27, 2024 10:47
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