mirror of https://github.com/kubernetes/kops.git
114 lines
2.9 KiB
Go
114 lines
2.9 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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coordinationv1 "k8s.io/api/coordination/v1"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
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"k8s.io/klog/v2"
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"k8s.io/klog/v2/klogr"
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"k8s.io/kops/clusterapi/bootstrap/controllers"
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bootstrapapi "k8s.io/kops/clusterapi/bootstrap/kops/api/v1beta1"
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controlplaneapi "k8s.io/kops/clusterapi/controlplane/kops/api/v1beta1"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/metrics/server"
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// +kubebuilder:scaffold:imports
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)
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var (
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scheme = runtime.NewScheme()
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)
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func init() {
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// +kubebuilder:scaffold:scheme
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}
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func main() {
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ctx := context.Background()
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if err := run(ctx); err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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os.Exit(1)
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}
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}
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func run(ctx context.Context) error {
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klog.InitFlags(nil)
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// Disable metrics by default (avoid port conflicts, also risky because we are host network)
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metricsAddress := ":0"
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flag.Parse()
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ctrl.SetLogger(klogr.New())
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if err := buildScheme(); err != nil {
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return fmt.Errorf("error building scheme: %w", err)
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}
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kubeConfig := ctrl.GetConfigOrDie()
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options := ctrl.Options{
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Scheme: scheme,
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// MetricsBindAddress: metricsAddress,
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// LeaderElection: true,
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// LeaderElectionID: "kops-clusterapi-leader",
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}
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options.Metrics = server.Options{
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BindAddress: metricsAddress,
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}
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mgr, err := ctrl.NewManager(kubeConfig, options)
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if err != nil {
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return fmt.Errorf("error starting manager: %w", err)
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}
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if err := controllers.NewKopsConfigReconciler(mgr); err != nil {
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return fmt.Errorf("error creating controller: %w", err)
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}
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if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
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return fmt.Errorf("error running manager: %w", err)
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}
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return nil
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}
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func buildScheme() error {
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if err := corev1.AddToScheme(scheme); err != nil {
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return fmt.Errorf("error registering corev1: %v", err)
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}
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if err := bootstrapapi.AddToScheme(scheme); err != nil {
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return fmt.Errorf("error registering api: %w", err)
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}
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if err := controlplaneapi.AddToScheme(scheme); err != nil {
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return fmt.Errorf("error registering api: %w", err)
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}
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// Needed so that the leader-election system can post events
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if err := coordinationv1.AddToScheme(scheme); err != nil {
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return fmt.Errorf("error registering coordinationv1: %v", err)
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}
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return nil
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}
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