| /* |
| 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 ( |
| "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(a admission.Attributes) (err error) { |
| return nil |
| } |
| |
| // Validate makes an admission decision based on the request attributes. It is NOT allowed to mutate. |
| func (alwaysAdmit) Validate(a admission.Attributes) (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) |
| } |