Merge pull request #511 from Ex4amp1e/add-pprof-enable-conf-update

Update configuration for turning profiling on/off

.golangci.yml

@@ -36,7 +36,7 @@ linters-settings:
   dupl:
     threshold: 150
   funlen:
-    Lines: 120
+    Lines: 140
     Statements: 50
   goconst:
     min-len: 2

README.md

@@ -31,6 +31,8 @@ docker build .
 * `NSM_LOG_LEVEL`                - Log level (default: "INFO")
 * `NSM_OPEN_TELEMETRY_ENDPOINT`  - OpenTelemetry Collector Endpoint (default: "otel-collector.observability.svc.cluster.local:4317")
 * `NSM_METRICS_EXPORT_INTERVAL`  - interval between mertics exports (default: "10s")
+* `NSM_PPROF_ENABLED`            - is pprof enabled (default: "false")
+* `NSM_PPROF_LISTEN_ON`          - pprof URL to ListenAndServe (default: "localhost:6060")
 
 # Testing
 

main.go

@@ -1,6 +1,6 @@
 // Copyright (c) 2020-2022 Doc.ai and/or its affiliates.
 //
-// Copyright (c) 2023 Cisco and/or its affiliates.
+// Copyright (c) 2023-2024 Cisco and/or its affiliates.
 //
 // Copyright (c) 2024 OpenInfra Foundation Europe. All rights reserved.
 //
@@ -56,6 +56,7 @@ import (
 	"github.com/networkservicemesh/sdk/pkg/tools/listenonurl"
 	"github.com/networkservicemesh/sdk/pkg/tools/log"
 	"github.com/networkservicemesh/sdk/pkg/tools/log/logruslogger"
+	"github.com/networkservicemesh/sdk/pkg/tools/pprofutils"
 )
 
 // Config is configuration for cmd-nsmgr-proxy
@@ -71,6 +72,8 @@ type Config struct {
 	LogLevel               string        `default:"INFO" desc:"Log level" split_words:"true"`
 	OpenTelemetryEndpoint  string        `default:"otel-collector.observability.svc.cluster.local:4317" desc:"OpenTelemetry Collector Endpoint" split_words:"true"`
 	MetricsExportInterval  time.Duration `default:"10s" desc:"interval between mertics exports" split_words:"true"`
+	PprofEnabled           bool          `default:"false" desc:"is pprof enabled" split_words:"true"`
+	PprofListenOn          string        `default:"localhost:6060" desc:"pprof URL to ListenAndServe" split_words:"true"`
 }
 
 func main() {
@@ -128,6 +131,11 @@ func main() {
 		}()
 	}
 
+	// Configure pprof
+	if config.PprofEnabled {
+		go pprofutils.ListenAndServe(ctx, config.PprofListenOn)
+	}
+
 	// Get a X509Source
 	source, err := workloadapi.NewX509Source(ctx)
 	if err != nil {