Improve logs in daemon

CHANGELOG.md

@@ -6,6 +6,7 @@
 - (#282) Branch support added. You can now specify your branches with a `#branch` fragment at the end of your git url. E.g.: https://github.com/mesg-foundation/service-ethereum-erc20#websocket
 - (#299) Add more user friendly errors when failing to connect to the Core or Docker
 - (#356) Use github.com/stretchr/testify package
+- (#352) Use logrus logging package
 
 #### Added
 - (#242) Add more details in command `mesg-core service validate`

Gopkg.toml

@@ -24,6 +24,13 @@
 #   go-tests = true
 #   unused-packages = true
 
+[[constraint]]
+  branch = "master"
+  name = "github.com/grpc-ecosystem/go-grpc-middleware"
+
+[[constraint]]
+  version = "1.0.6"
+  name = "github.com/sirupsen/logrus"
 
 [[constraint]]
   branch = "master"
@@ -77,7 +84,7 @@
   branch = "master"
   name = "golang.org/x/net"
 
-[[constraint]]
+[[override]]
   branch = "master"
   name = "google.golang.org/grpc"
 

api/core/api.proto

@@ -8,19 +8,19 @@ import "github.com/mesg-foundation/core/service/service.proto";
 // This is the primary API to interact with MESG Core functionalities.
 // It can be consumed by any applications or tools that you'd like to interact with MESG Core.
 // It is actually used by the MESG CLI and MESG Application libraries.
-// 
+//
 // This API is only accessible through [gRPC](https://grpc.io/).
-// 
+//
 // Services must not use this API, but rather use the [Service API](./service.md).
-// 
+//
 // The source file of this API is hosted on [GitHub](https://github.com/mesg-foundation/core/blob/master/api/core/api.proto).
 service Core {
   // Subscribe to a stream that listens for events from a service.
   rpc ListenEvent (ListenEventRequest) returns (stream EventData) {}
 
   // Subscribe to a stream that listens for task's result from a service.
   rpc ListenResult (ListenResultRequest) returns (stream ResultData) {}
-  
+
   // Execute a service's task through [Core](../guide/start-here/core.md).
   rpc ExecuteTask (ExecuteTaskRequest) returns (ExecuteTaskReply) {}
 
@@ -29,10 +29,10 @@ service Core {
 
   // Stop a service. The service must be already deployed to [Core](../guide/start-here/core.md).
   rpc StopService (StopServiceRequest) returns (StopServiceReply) {}
-  
+
   // Deploy a service to [Core](../guide/start-here/core.md). This will give you an unique identifier which is used to interact with the service.
   rpc DeployService (DeployServiceRequest) returns (DeployServiceReply) {}
-  
+
   // Delete a service from Core. This function only deletes a deployed service in [Core](../guide/start-here/core.md). If the service's code is on your computer, the source code will not be deleted.
   rpc DeleteService (DeleteServiceRequest) returns (DeleteServiceReply) {}
 
@@ -44,7 +44,7 @@ service Core {
 }
 
 // The request's data for the `ListenEvent` stream's API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -59,7 +59,7 @@ message ListenEventRequest {
 
 // The data received from the stream of the `ListenEvent` API.
 // The data will be received over time as long as the stream is open.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -73,7 +73,7 @@ message EventData {
 }
 
 // The request's data for the `ListenResult` stream API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -90,7 +90,7 @@ message ListenResultRequest {
 
 // The data received from the stream of the `ListenResult` API.
 // The data will be received over time as long as the stream is open.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -108,7 +108,7 @@ message ResultData {
 }
 
 // The request's data for the `ExecuteTask` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -124,7 +124,7 @@ message ExecuteTaskRequest {
 }
 
 // The reply's data of the `ExecuteTask` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -136,7 +136,7 @@ message ExecuteTaskReply {
 }
 
 // The request's data for the `StartService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -152,7 +152,7 @@ message StartServiceReply {
 }
 
 // The request's data for the `StopService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -168,7 +168,7 @@ message StopServiceReply {
 }
 
 // The request's data for `DeployService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -203,7 +203,7 @@ message DeployServiceRequest {
 }
 
 // The reply's data of `DeployService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -215,7 +215,7 @@ message DeployServiceReply {
 }
 
 // Request's data of the `DeleteService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -235,7 +235,7 @@ message ListServicesRequest {
 }
 
 // The reply's data of the `ListServices` API.
-// 
+//
 // **Example**
 // ```json
 // [{
@@ -270,7 +270,7 @@ message ListServicesReply {
 }
 
 // The request's data for the `GetService` API.
-// 
+//
 // **Example**
 // ```json
 // {
@@ -282,7 +282,7 @@ message GetServiceRequest {
 }
 
 // The reply's data of the `GetService` API.
-// 
+//
 // **Example**
 // ```json
 // {

api/server.go

@@ -2,12 +2,14 @@ package api
 
 import (
 	"errors"
-	"log"
 	"net"
 	"os"
 
+	"github.com/grpc-ecosystem/go-grpc-middleware"
+	"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
 	"github.com/mesg-foundation/core/api/core"
 	"github.com/mesg-foundation/core/api/service"
+	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/reflection"
 )
@@ -35,10 +37,17 @@ func (s *Server) Serve() error {
 	}
 
 	s.listener = listener
-	s.instance = grpc.NewServer()
+	s.instance = grpc.NewServer(
+		grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
+			grpc_logrus.StreamServerInterceptor(logrus.NewEntry(logrus.StandardLogger())),
+		)),
+		grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
+			grpc_logrus.UnaryServerInterceptor(logrus.NewEntry(logrus.StandardLogger())),
+		)),
+	)
 	s.register()
 
-	log.Println("Server listens on", s.listener.Addr())
+	logrus.Info("Server listens on ", s.listener.Addr())
 
 	// TODO: check if server still on after a connection throw an error. otherwise, add a for around serve
 	return s.instance.Serve(s.listener)

api/service/api.proto

@@ -6,11 +6,11 @@ option go_package = "service";
 // This is the API for MESG Services to interact with MESG Core.
 // It is to be consumed only by MESG Services.
 // It provides all necessary functions that MESG Services need in order to interact with MESG Core.
-// 
+//
 // This API is only accessible through [gRPC](https://grpc.io/).
-// 
+//
 // Applications must not use this API, but rather use the [Core API](./core.md).
-// 
+//
 // The source file of this API is hosted on [GitHub](https://github.com/mesg-foundation/core/blob/master/api/service/api.proto).
 service Service {
   // Emit an event to [Core](../guide/start-here/core.md).
@@ -27,7 +27,7 @@ service Service {
 }
 
 // The request's data for the `EmitEvent` API.
-// 
+//
 // **Example:**
 // ```json
 // {
@@ -47,7 +47,7 @@ message EmitEventReply {
 }
 
 // The request's data for the `ListenTask` stream API.
-// 
+//
 // **Example:**
 // ```json
 // {
@@ -61,7 +61,7 @@ message ListenTaskRequest {
 // The data received from the stream of the `ListenTask` API.
 // The data will be received over time as long as the stream is open.
 // The `executionID` value must be kept and sent with the result when calling the [`SubmitResult` API](#submitresult).
-// 
+//
 // **Example:**
 // ```json
 // {
@@ -78,7 +78,7 @@ message TaskData {
 
 // The request's data for the `SubmitResult` API.
 // The data must contain the `executionID` of the executed task received from the stream of [`ListenTask` API](#listentask).
-// 
+//
 // **Example:**
 // ```json
 // {

cmd/service/dev.go

@@ -3,11 +3,11 @@ package service
 import (
 	"context"
 	"fmt"
-	"log"
 
 	"github.com/logrusorgru/aurora"
 	"github.com/mesg-foundation/core/api/core"
 	"github.com/mesg-foundation/core/cmd/utils"
+	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
 
@@ -74,10 +74,10 @@ func listenEvents(serviceID string, filter string) {
 	for {
 		event, err := stream.Recv()
 		if err != nil {
-			log.Println(aurora.Red(err))
+			logrus.Info(aurora.Red(err))
 			return
 		}
-		log.Println("Receive event", aurora.Green(event.EventKey), ":", aurora.Bold(event.EventData))
+		logrus.Info("Receive event", aurora.Green(event.EventKey), ":", aurora.Bold(event.EventData))
 	}
 }
 
@@ -92,9 +92,9 @@ func listenResults(serviceID string, result string, output string) {
 	for {
 		result, err := stream.Recv()
 		if err != nil {
-			log.Println(aurora.Red(err))
+			logrus.Info(aurora.Red(err))
 			return
 		}
-		log.Println("Receive result", aurora.Green(result.TaskKey), aurora.Cyan(result.OutputKey), "with data", aurora.Bold(result.OutputData))
+		logrus.Info("Receive result", aurora.Green(result.TaskKey), aurora.Cyan(result.OutputKey), "with data", aurora.Bold(result.OutputData))
 	}
 }