27a77e0ef3
- These metadata can be used to handle controllers in a generic way. - This enables showing feature gated controllers in kube-controller-manager's help. - It is possible to obtain a controllerName in the InitFunc so it can be passed down to and used by the controller. metadata about a controller: - name - requiredFeatureGates - isDisabledByDefault - isCloudProviderController
68 lines
2.3 KiB
Go
68 lines
2.3 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
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import (
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"context"
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"fmt"
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"k8s.io/controller-manager/controller"
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"k8s.io/kubernetes/cmd/kube-controller-manager/names"
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"k8s.io/kubernetes/pkg/controller/bootstrap"
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)
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func newBootstrapSignerControllerDescriptor() *ControllerDescriptor {
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return &ControllerDescriptor{
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name: names.BootstrapSignerController,
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initFunc: startBootstrapSignerController,
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isDisabledByDefault: true,
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}
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}
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func startBootstrapSignerController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) {
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bsc, err := bootstrap.NewSigner(
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controllerContext.ClientBuilder.ClientOrDie("bootstrap-signer"),
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controllerContext.InformerFactory.Core().V1().Secrets(),
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controllerContext.InformerFactory.Core().V1().ConfigMaps(),
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bootstrap.DefaultSignerOptions(),
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)
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if err != nil {
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return nil, true, fmt.Errorf("error creating BootstrapSigner controller: %v", err)
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}
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go bsc.Run(ctx)
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return nil, true, nil
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}
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func newTokenCleanerControllerDescriptor() *ControllerDescriptor {
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return &ControllerDescriptor{
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name: names.TokenCleanerController,
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initFunc: startTokenCleanerController,
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isDisabledByDefault: true,
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}
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}
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func startTokenCleanerController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) {
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tcc, err := bootstrap.NewTokenCleaner(
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controllerContext.ClientBuilder.ClientOrDie("token-cleaner"),
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controllerContext.InformerFactory.Core().V1().Secrets(),
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bootstrap.DefaultTokenCleanerOptions(),
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)
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if err != nil {
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return nil, true, fmt.Errorf("error creating TokenCleaner controller: %v", err)
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}
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go tcc.Run(ctx)
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return nil, true, nil
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}
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