[ENH]: make otel optional (#2090)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
	 - Make otel server optional

go/pkg/grpcutils/service.go

@@ -74,13 +74,12 @@ func newDefaultGrpcProvider(name string, grpcConfig *GrpcConfig, registerFunc fu
 	}
 	opts = append(opts, grpc.UnaryInterceptor(otel.ServerGrpcInterceptor))
 	OPTL_TRACING_ENDPOINT := os.Getenv("OPTL_TRACING_ENDPOINT")
-	if OPTL_TRACING_ENDPOINT == "" {
-		OPTL_TRACING_ENDPOINT = "jaeger:4317"
+	if OPTL_TRACING_ENDPOINT != "" {
+		otel.InitTracing(context.Background(), &otel.TracingConfig{
+			Service:  "sysdb-service",
+			Endpoint: OPTL_TRACING_ENDPOINT,
+		})
 	}
-	otel.InitTracing(context.Background(), &otel.TracingConfig{
-		Service:  "sysdb-service",
-		Endpoint: OPTL_TRACING_ENDPOINT,
-	})
 
 	c := &defaultGrpcServer{
 		server: grpc.NewServer(opts...),

go/shared/otel/main.go

@@ -125,7 +125,7 @@ func InitTracing(ctx context.Context, config *TracingConfig) (err error) {
 		otlptracegrpc.NewClient(
 			otlptracegrpc.WithInsecure(),
 			otlptracegrpc.WithEndpoint(config.Endpoint),
-			otlptracegrpc.WithDialOption(grpc.WithBlock()), // Useful for waiting until the connection is up.
+			otlptracegrpc.WithDialOption(),
 		),
 	)
 	if err != nil {

k8s/distributed-chroma/values.yaml

@@ -38,13 +38,17 @@ sysdb:
     tag: 'sysdb'
   replicaCount: 1
   env:
+    - name: OPTL_TRACING_ENDPOINT
+      value: 'value: "http://jaeger:4317"'
   flags:
 
 logService:
   image:
     repository: 'local'
     tag: 'log-service'
   env:
+    - name: OPTL_TRACING_ENDPOINT
+      value: 'value: "http://jaeger:4317"'
   flags:
 
 queryService: