47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
/*
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Copyright 2014 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 deny
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import (
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"errors"
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"io"
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"k8s.io/apiserver/pkg/admission"
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)
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func init() {
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admission.RegisterPlugin("AlwaysDeny", func(config io.Reader) (admission.Interface, error) {
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return NewAlwaysDeny(), nil
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})
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}
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// alwaysDeny is an implementation of admission.Interface which always says no to an admission request.
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// It is useful in unit tests to force an operation to be forbidden.
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type alwaysDeny struct{}
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func (alwaysDeny) Admit(a admission.Attributes) (err error) {
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return admission.NewForbidden(a, errors.New("Admission control is denying all modifications"))
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}
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func (alwaysDeny) Handles(operation admission.Operation) bool {
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return true
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}
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// NewAlwaysDeny creates an always deny admission handler
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func NewAlwaysDeny() admission.Interface {
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return new(alwaysDeny)
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}
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