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63 lines
2.3 KiB
Go
63 lines
2.3 KiB
Go
/*
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Copyright 2020 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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"time"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/client-go/informers"
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"k8s.io/client-go/restmapper"
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"k8s.io/controller-manager/pkg/clientbuilder"
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"k8s.io/controller-manager/pkg/informerfactory"
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)
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// ControllerContext defines the context object for controller
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type ControllerContext struct {
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// ClientBuilder will provide a client for this controller to use
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ClientBuilder clientbuilder.ControllerClientBuilder
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// InformerFactory gives access to informers for the controller.
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InformerFactory informers.SharedInformerFactory
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// ObjectOrMetadataInformerFactory gives access to informers for typed resources
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// and dynamic resources by their metadata. All generic controllers currently use
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// object metadata - if a future controller needs access to the full object this
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// would become GenericInformerFactory and take a dynamic client.
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ObjectOrMetadataInformerFactory informerfactory.InformerFactory
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// DeferredDiscoveryRESTMapper is a RESTMapper that will defer
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// initialization of the RESTMapper until the first mapping is
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// requested.
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RESTMapper *restmapper.DeferredDiscoveryRESTMapper
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// AvailableResources is a map listing currently available resources
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AvailableResources map[schema.GroupVersionResource]bool
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// Stop is the stop channel
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Stop <-chan struct{}
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// InformersStarted is closed after all of the controllers have been initialized and are running. After this point it is safe,
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// for an individual controller to start the shared informers. Before it is closed, they should not.
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InformersStarted chan struct{}
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// ResyncPeriod generates a duration each time it is invoked; this is so that
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// multiple controllers don't get into lock-step and all hammer the apiserver
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// with list requests simultaneously.
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ResyncPeriod func() time.Duration
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}
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