89 lines
3.7 KiB
Go
89 lines
3.7 KiB
Go
/*
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Copyright 2016 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 app implements a server that runs a set of active
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// components. This includes replication controllers, service endpoints and
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// nodes.
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package app
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import (
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"context"
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"fmt"
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"time"
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"k8s.io/client-go/util/flowcontrol"
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"k8s.io/controller-manager/controller"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/pkg/controller/daemon"
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"k8s.io/kubernetes/pkg/controller/deployment"
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"k8s.io/kubernetes/pkg/controller/replicaset"
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"k8s.io/kubernetes/pkg/controller/statefulset"
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)
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func startDaemonSetController(ctx context.Context, controllerContext ControllerContext) (controller.Interface, bool, error) {
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dsc, err := daemon.NewDaemonSetsController(
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controllerContext.InformerFactory.Apps().V1().DaemonSets(),
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controllerContext.InformerFactory.Apps().V1().ControllerRevisions(),
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controllerContext.InformerFactory.Core().V1().Pods(),
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controllerContext.InformerFactory.Core().V1().Nodes(),
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controllerContext.ClientBuilder.ClientOrDie("daemon-set-controller"),
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flowcontrol.NewBackOff(1*time.Second, 15*time.Minute),
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)
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if err != nil {
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return nil, true, fmt.Errorf("error creating DaemonSets controller: %v", err)
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}
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go dsc.Run(ctx, int(controllerContext.ComponentConfig.DaemonSetController.ConcurrentDaemonSetSyncs))
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return nil, true, nil
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}
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func startStatefulSetController(ctx context.Context, controllerContext ControllerContext) (controller.Interface, bool, error) {
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ctx = klog.NewContext(ctx, klog.LoggerWithName(klog.FromContext(ctx), "statefulset"))
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go statefulset.NewStatefulSetController(
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ctx,
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controllerContext.InformerFactory.Core().V1().Pods(),
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controllerContext.InformerFactory.Apps().V1().StatefulSets(),
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controllerContext.InformerFactory.Core().V1().PersistentVolumeClaims(),
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controllerContext.InformerFactory.Apps().V1().ControllerRevisions(),
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controllerContext.ClientBuilder.ClientOrDie("statefulset-controller"),
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).Run(ctx, int(controllerContext.ComponentConfig.StatefulSetController.ConcurrentStatefulSetSyncs))
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return nil, true, nil
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}
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func startReplicaSetController(ctx context.Context, controllerContext ControllerContext) (controller.Interface, bool, error) {
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go replicaset.NewReplicaSetController(
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klog.FromContext(ctx),
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controllerContext.InformerFactory.Apps().V1().ReplicaSets(),
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controllerContext.InformerFactory.Core().V1().Pods(),
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controllerContext.ClientBuilder.ClientOrDie("replicaset-controller"),
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replicaset.BurstReplicas,
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).Run(ctx, int(controllerContext.ComponentConfig.ReplicaSetController.ConcurrentRSSyncs))
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return nil, true, nil
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}
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func startDeploymentController(ctx context.Context, controllerContext ControllerContext) (controller.Interface, bool, error) {
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dc, err := deployment.NewDeploymentController(
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controllerContext.InformerFactory.Apps().V1().Deployments(),
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controllerContext.InformerFactory.Apps().V1().ReplicaSets(),
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controllerContext.InformerFactory.Core().V1().Pods(),
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controllerContext.ClientBuilder.ClientOrDie("deployment-controller"),
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)
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if err != nil {
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return nil, true, fmt.Errorf("error creating Deployment controller: %v", err)
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}
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go dc.Run(ctx, int(controllerContext.ComponentConfig.DeploymentController.ConcurrentDeploymentSyncs))
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return nil, true, nil
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}
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