Added pprof config

Signed-off-by: Vladislav Byrgazov <vladislav.byrgazov@xored.com>

Author: Vladislav Byrgazov

README.md

@@ -33,6 +33,8 @@ docker build .
 * `NSM_TARGET_PORT`             - TCP/UDP target port
 * `NSM_PROTOCOL`                - TCP or UDP protocol
 * `NSM_SELECTOR`                - labels for the load balancer selector labels
+* `NSM_PPROF_ENABLED`           - is pprof enabled (default: "false")
+* `NSM_PPROF_LISTEN_ON`         - pprof URL to ListenAndServe (default: "localhost:6060")
 
 # Testing
 

internal/config/config.go

@@ -1,4 +1,4 @@
-// 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.
 //
@@ -41,6 +41,8 @@ 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"`
 
 	Port       uint16            `default:"" desc:"TCP/UDP service port" split_words:"true"`
 	TargetPort uint16            `default:"" desc:"TCP/UDP target port" split_words:"true"`

internal/imports/imports_linux.go

@@ -28,6 +28,7 @@ import (
 	_ "github.com/networkservicemesh/sdk/pkg/tools/log/logruslogger"
 	_ "github.com/networkservicemesh/sdk/pkg/tools/nsurl"
 	_ "github.com/networkservicemesh/sdk/pkg/tools/opentelemetry"
+	_ "github.com/networkservicemesh/sdk/pkg/tools/pprofutils"
 	_ "github.com/networkservicemesh/sdk/pkg/tools/spiffejwt"
 	_ "github.com/networkservicemesh/sdk/pkg/tools/token"
 	_ "github.com/networkservicemesh/sdk/pkg/tools/tracing"

main.go

@@ -60,6 +60,7 @@ import (
 	"github.com/networkservicemesh/sdk/pkg/tools/log/logruslogger"
 	"github.com/networkservicemesh/sdk/pkg/tools/nsurl"
 	"github.com/networkservicemesh/sdk/pkg/tools/opentelemetry"
+	"github.com/networkservicemesh/sdk/pkg/tools/pprofutils"
 	"github.com/networkservicemesh/sdk/pkg/tools/spiffejwt"
 	"github.com/networkservicemesh/sdk/pkg/tools/token"
 	"github.com/networkservicemesh/sdk/pkg/tools/tracing"
@@ -128,6 +129,13 @@ func main() {
 		}()
 	}
 
+	// ********************************************************************************
+	// Configure pprof
+	// ********************************************************************************
+	if c.PprofEnabled {
+		go pprofutils.ListenAndServe(ctx, c.PprofListenOn)
+	}
+
 	// ********************************************************************************
 	log.FromContext(ctx).Infof("executing phase 2: run vpp and get a connection to it (time since start: %s)", time.Since(starttime))
 	// ********************************************************************************