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- /*
- Copyright 2014 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 admit
- import (
- "context"
- "io"
- "k8s.io/apiserver/pkg/admission"
- "k8s.io/klog"
- )
- // PluginName indicates name of admission plugin.
- const PluginName = "AlwaysAdmit"
- // Register registers a plugin
- func Register(plugins *admission.Plugins) {
- plugins.Register(PluginName, func(config io.Reader) (admission.Interface, error) {
- return NewAlwaysAdmit(), nil
- })
- }
- // alwaysAdmit is an implementation of admission.Interface which always says yes to an admit request.
- type alwaysAdmit struct{}
- var _ admission.MutationInterface = alwaysAdmit{}
- var _ admission.ValidationInterface = alwaysAdmit{}
- // Admit makes an admission decision based on the request attributes
- func (alwaysAdmit) Admit(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) (err error) {
- return nil
- }
- // Validate makes an admission decision based on the request attributes. It is NOT allowed to mutate.
- func (alwaysAdmit) Validate(ctx context.Context, a admission.Attributes, o admission.ObjectInterfaces) (err error) {
- return nil
- }
- // Handles returns true if this admission controller can handle the given operation
- // where operation can be one of CREATE, UPDATE, DELETE, or CONNECT
- func (alwaysAdmit) Handles(operation admission.Operation) bool {
- return true
- }
- // NewAlwaysAdmit creates a new always admit admission handler
- func NewAlwaysAdmit() admission.Interface {
- // DEPRECATED: AlwaysAdmit admit all admission request, it is no use.
- klog.Warningf("%s admission controller is deprecated. "+
- "Please remove this controller from your configuration files and scripts.", PluginName)
- return new(alwaysAdmit)
- }
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