Add pprof-bind-address option to main.go

Jira: OSPRH-17594

Author: dprince

Makefile

@@ -157,9 +157,10 @@ build: generate fmt vet ## Build manager binary.
 .PHONY: run
 run: export METRICS_PORT?=24604
 run: export HEALTH_PORT?=24605
+run: export PPROF_PORT?=8082
 run: export ENABLE_WEBHOOKS?=false
 run: manifests generate fmt vet ## Run a controller from your host.
-	go run ./main.go -metrics-bind-address ":$(METRICS_PORT)" -health-probe-bind-address ":$(HEALTH_PORT)"
+	go run ./main.go -metrics-bind-address ":$(METRICS_PORT)" -health-probe-bind-address ":$(HEALTH_PORT)" -pprof-bind-address ":$(PPROF_PORT)"
 
 
 # Extra vars which will be passed to the Docker-build
@@ -471,6 +472,7 @@ SKIP_CERT ?=false
 .PHONY: run-with-webhook
 run-with-webhook: export METRICS_PORT?=33080
 run-with-webhook: export HEALTH_PORT?=33081
+run-with-webhook: export PPROF_PORT?=8082
 run-with-webhook: export RELATED_IMAGE_WATCHER_API_IMAGE_URL_DEFAULT=${WATCHER_API_CI_IMAGE}
 run-with-webhook: export RELATED_IMAGE_WATCHER_DECISION_ENGINE_IMAGE_URL_DEFAULT=${WATCHER_DECISION_ENGINE_CI_IMAGE}
 run-with-webhook: export RELATED_IMAGE_WATCHER_APPLIER_IMAGE_URL_DEFAULT=${WATCHER_APPLIER_CI_IMAGE}

hack/run_with_local_webhook.sh

@@ -292,4 +292,4 @@ if [ -n "${CSV_NAME}" ]; then
     oc patch "${CSV_NAME}" -n openstack-operators --type=json -p="[{'op': 'replace', 'path': '/spec/webhookdefinitions', 'value': []}]"
 fi
 
-go run ./main.go -metrics-bind-address ":${METRICS_PORT}" -health-probe-bind-address ":${HEALTH_PORT}"
+go run ./main.go -metrics-bind-address ":${METRICS_PORT}" -health-probe-bind-address ":${HEALTH_PORT}" -pprof-bind-address ":${PPROF_PORT}"

main.go

@@ -72,10 +72,12 @@ func main() {
 	var metricsAddr string
 	var enableLeaderElection bool
 	var probeAddr string
+	var pprofBindAddress string
 	var secureMetrics bool
 	var enableHTTP2 bool
 	flag.StringVar(&metricsAddr, "metrics-bind-address", ":33080", "The address the metric endpoint binds to.")
 	flag.StringVar(&probeAddr, "health-probe-bind-address", ":33081", "The address the probe endpoint binds to.")
+	flag.StringVar(&pprofBindAddress, "pprof-bind-address", "", "The address the pprof endpoint binds to. Set to empty to disable pprof.")
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
 		"Enable leader election for controller manager. "+
 			"Enabling this will ensure there is only one active controller manager.")
@@ -122,6 +124,7 @@ func main() {
 		HealthProbeBindAddress: probeAddr,
 		LeaderElection:         enableLeaderElection,
 		LeaderElectionID:       "5049980f.openstack.org",
+		PprofBindAddress:       pprofBindAddress,
 		// LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily
 		// when the Manager ends. This requires the binary to immediately end when the
 		// Manager is stopped, otherwise, this setting is unsafe. Setting this significantly