feat: transfer sample-controller

2026-05-12 20:56:52 +02:00
parent efe2b34116
commit 0d160b5f08
48 changed files with 6651 additions and 0 deletions
@@ -0,0 +1,88 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"flag"
+	"time"
+
+	"gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/signals"
+	kubeinformers "k8s.io/client-go/informers"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/klog/v2"
+
+	// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
+	// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
+
+	clientset "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/clientset/versioned"
+	informers "gitea.t000-n.de/t.behrendt/authentik-kubernetes-operator/pkg/generated/informers/externalversions"
+)
+
+var (
+	masterURL  string
+	kubeconfig string
+)
+
+func main() {
+	klog.InitFlags(nil)
+	flag.Parse()
+
+	// set up signals so we handle the shutdown signal gracefully
+	ctx := signals.SetupSignalHandler()
+	logger := klog.FromContext(ctx)
+
+	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
+	if err != nil {
+		logger.Error(err, "Error building kubeconfig")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	kubeClient, err := kubernetes.NewForConfig(cfg)
+	if err != nil {
+		logger.Error(err, "Error building kubernetes clientset")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	exampleClient, err := clientset.NewForConfig(cfg)
+	if err != nil {
+		logger.Error(err, "Error building kubernetes clientset")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+
+	kubeInformerFactory := kubeinformers.NewSharedInformerFactory(kubeClient, time.Second*30)
+	exampleInformerFactory := informers.NewSharedInformerFactory(exampleClient, time.Second*30)
+
+	controller := NewController(ctx, kubeClient, exampleClient,
+		kubeInformerFactory.Apps().V1().Deployments(),
+		exampleInformerFactory.Samplecontroller().V1alpha1().Foos())
+
+	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(ctx.done())
+	// Start method is non-blocking and runs all registered informers in a dedicated goroutine.
+	kubeInformerFactory.Start(ctx.Done())
+	exampleInformerFactory.Start(ctx.Done())
+
+	if err = controller.Run(ctx, 2); err != nil {
+		logger.Error(err, "Error running controller")
+		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	}
+}
+
+func init() {
+	flag.StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
+	flag.StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
+}