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Merge pull request #103557 from jiahuif/feature/controller-manager/interface
common interface for controllers
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/*
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Copyright 2021 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 controller
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import "net/http"
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// Interface defines the base of a controller managed by a controller manager
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type Interface interface {
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// Name returns the canonical name of the controller.
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Name() string
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}
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// Debuggable defines a controller that allows the controller manager
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// to expose a debugging handler for the controller
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//
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// If a controller implements Debuggable, and the returned handler is
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// not nil, the controller manager can mount the handler during startup.
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type Debuggable interface {
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// DebuggingHandler returns a Handler that expose debugging information
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// for the controller, or nil if a debugging handler is not desired.
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//
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// The handler will be accessible at "/debug/controllers/{controllerName}/".
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DebuggingHandler() http.Handler
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}
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