chore: add webhook validation

Author: katallaxie

cmd/webhook/main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"context"
-	"fmt"
 
 	sourcev1alpha1 "github.com/zeiss/knative-extension-sample-source/pkg/apis/sources/v1alpha1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -12,7 +11,6 @@ import (
 	"knative.dev/pkg/logging"
 	"knative.dev/pkg/metrics"
 	"knative.dev/pkg/signals"
-	"knative.dev/pkg/system"
 	"knative.dev/pkg/webhook"
 	"knative.dev/pkg/webhook/certificates"
 	"knative.dev/pkg/webhook/configmaps"
@@ -77,7 +75,7 @@ func NewConfigValidationController(ctx context.Context, cmw configmap.Watcher) *
 	return configmaps.NewAdmissionController(ctx,
 
 		// Name of the configmap webhook.
-		fmt.Sprintf("config.webhook.%s.knative.dev", system.Namespace()),
+		"config.webhook.sample.sources.eventing.zeiss.com",
 
 		// The path on which to serve the webhook.
 		"/config-validation",