kubernetes reinvocationcontext 源码
kubernetes reinvocationcontext 代码
文件路径：/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/mutating/reinvocationcontext.go
/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package mutating
import (
apiequality "k8s.io/apimachinery/pkg/api/equality"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/sets"
)
type webhookReinvokeContext struct {
// lastWebhookOutput holds the result of the last webhook admission plugin call
lastWebhookOutput runtime.Object
// previouslyInvokedReinvocableWebhooks holds the set of webhooks that have been invoked and
// should be reinvoked if a later mutation occurs
previouslyInvokedReinvocableWebhooks sets.String
// reinvokeWebhooks holds the set of webhooks that should be reinvoked
reinvokeWebhooks sets.String
}
func (rc *webhookReinvokeContext) ShouldReinvokeWebhook(webhook string) bool {
return rc.reinvokeWebhooks.Has(webhook)
}
func (rc *webhookReinvokeContext) IsOutputChangedSinceLastWebhookInvocation(object runtime.Object) bool {
return !apiequality.Semantic.DeepEqual(rc.lastWebhookOutput, object)
}
func (rc *webhookReinvokeContext) SetLastWebhookInvocationOutput(object runtime.Object) {
if object == nil {
rc.lastWebhookOutput = nil
return
}
rc.lastWebhookOutput = object.DeepCopyObject()
}
func (rc *webhookReinvokeContext) AddReinvocableWebhookToPreviouslyInvoked(webhook string) {
if rc.previouslyInvokedReinvocableWebhooks == nil {
rc.previouslyInvokedReinvocableWebhooks = sets.NewString()
}
rc.previouslyInvokedReinvocableWebhooks.Insert(webhook)
}
func (rc *webhookReinvokeContext) RequireReinvokingPreviouslyInvokedPlugins() {
if len(rc.previouslyInvokedReinvocableWebhooks) > 0 {
if rc.reinvokeWebhooks == nil {
rc.reinvokeWebhooks = sets.NewString()
}
for s := range rc.previouslyInvokedReinvocableWebhooks {
rc.reinvokeWebhooks.Insert(s)
}
rc.previouslyInvokedReinvocableWebhooks = sets.NewString()
}
}
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