added flag for webhook port configuration (#1107)

docs/CHANGELOG.md

@@ -16,6 +16,7 @@ aliases:
 - [operator](https://docs.victoriametrics.com/operator/): reduces reconcile latency. See this [commit](2a9d09d0131cc10a0f9e32f0e2e054687ada78f7) for details.
 - [operator](https://docs.victoriametrics.com/operator/): reduces load on kubernetes api-server. See this commits: [commit-0](a0145b8a89dd5bb9051f8d4359b6a70c1d1a95ce), [commit-1](e2fbbd3e37146670f656d700ad0f64b2c299b0a0), [commit-2](184ba19a5f1d10dc2ac1bf018b2729f64e2a8c25).
 - [operator](https://docs.victoriametrics.com/operator/): enables client cache back for `secrets` and `configmaps`. Adds new flag `-controller.disableCacheFor=seccret,configmap` to disable it if needed.
+- [operator](https://docs.victoriametrics.com/operator/): made webhook port configurable. See [this issue](https://github.com/VictoriaMetrics/operator/issues/1106) for details.
 
 ## [v0.47.3](https://github.com/VictoriaMetrics/operator/releases/tag/v0.47.3) - 28 Aug 2024
 

internal/manager/manager.go

@@ -46,6 +46,7 @@ import (
 )
 
 const defaultMetricsAddr = ":8080"
+const defaultWebhookPort = 9443
 
 var (
 	startTime  = time.Now()
@@ -62,6 +63,7 @@ var (
 	setupLog            = ctrl.Log.WithName("setup")
 	leaderElect         = flag.Bool("leader-elect", false, "Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
 	enableWebhooks      = flag.Bool("webhook.enable", false, "adds webhook server, you must mount cert and key or use cert-manager")
+	webhookPort         = flag.Int("webhook.port", defaultWebhookPort, "port to start webhook server on")
 	disableCRDOwnership = flag.Bool("controller.disableCRDOwnership", false, "disables CRD ownership add to cluster wide objects, must be disabled for clusters, lower than v1.16.0")
 	webhooksDir         = flag.String("webhook.certDir", "/tmp/k8s-webhook-server/serving-certs/", "root directory for webhook cert and key")
 	webhookCertName     = flag.String("webhook.certName", "tls.crt", "name of webhook server Tls certificate inside tls.certDir")
@@ -174,7 +176,7 @@ func RunManager(ctx context.Context) error {
 		LivenessEndpointName:   "/health",
 		// port for webhook
 		WebhookServer: webhook.NewServer(webhook.Options{
-			Port:     9443,
+			Port:     *webhookPort,
 			CertDir:  *webhooksDir,
 			CertName: *webhookCertName,
 			KeyName:  *webhookKeyName,