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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
71 lines
3.0 KiB
Go
71 lines
3.0 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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"k8s.io/controller-manager/controller"
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"k8s.io/kubernetes/cmd/kube-controller-manager/names"
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endpointslicecontroller "k8s.io/kubernetes/pkg/controller/endpointslice"
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endpointslicemirroringcontroller "k8s.io/kubernetes/pkg/controller/endpointslicemirroring"
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)
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func newEndpointSliceControllerDescriptor() *ControllerDescriptor {
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return &ControllerDescriptor{
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name: names.EndpointSliceController,
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initFunc: startEndpointSliceController,
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}
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}
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func startEndpointSliceController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) {
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go endpointslicecontroller.NewController(
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ctx,
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controllerContext.InformerFactory.Core().V1().Pods(),
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controllerContext.InformerFactory.Core().V1().Services(),
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controllerContext.InformerFactory.Core().V1().Nodes(),
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controllerContext.InformerFactory.Discovery().V1().EndpointSlices(),
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controllerContext.ComponentConfig.EndpointSliceController.MaxEndpointsPerSlice,
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controllerContext.ClientBuilder.ClientOrDie("endpointslice-controller"),
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controllerContext.ComponentConfig.EndpointSliceController.EndpointUpdatesBatchPeriod.Duration,
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).Run(ctx, int(controllerContext.ComponentConfig.EndpointSliceController.ConcurrentServiceEndpointSyncs))
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return nil, true, nil
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}
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func newEndpointSliceMirroringControllerDescriptor() *ControllerDescriptor {
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return &ControllerDescriptor{
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name: names.EndpointSliceMirroringController,
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initFunc: startEndpointSliceMirroringController,
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}
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}
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func startEndpointSliceMirroringController(ctx context.Context, controllerContext ControllerContext, controllerName string) (controller.Interface, bool, error) {
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go endpointslicemirroringcontroller.NewController(
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ctx,
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controllerContext.InformerFactory.Core().V1().Endpoints(),
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controllerContext.InformerFactory.Discovery().V1().EndpointSlices(),
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controllerContext.InformerFactory.Core().V1().Services(),
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controllerContext.ComponentConfig.EndpointSliceMirroringController.MirroringMaxEndpointsPerSubset,
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controllerContext.ClientBuilder.ClientOrDie("endpointslicemirroring-controller"),
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controllerContext.ComponentConfig.EndpointSliceMirroringController.MirroringEndpointUpdatesBatchPeriod.Duration,
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).Run(ctx, int(controllerContext.ComponentConfig.EndpointSliceMirroringController.MirroringConcurrentServiceEndpointSyncs))
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return nil, true, nil
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}
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