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45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
/*
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Copyright 2018 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 podsecuritypolicy
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import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/apis/policy"
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"k8s.io/kubernetes/pkg/features"
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)
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// DropDisabledFields removes disabled fields from the pod security policy spec.
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// This should be called from PrepareForCreate/PrepareForUpdate for all resources containing a pod security policy spec.
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func DropDisabledFields(pspSpec, oldPSPSpec *policy.PodSecurityPolicySpec) {
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if !utilfeature.DefaultFeatureGate.Enabled(features.ProcMountType) && !allowedProcMountTypesInUse(oldPSPSpec) {
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pspSpec.AllowedProcMountTypes = nil
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}
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}
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func allowedProcMountTypesInUse(oldPSPSpec *policy.PodSecurityPolicySpec) bool {
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if oldPSPSpec == nil {
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return false
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}
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if oldPSPSpec.AllowedProcMountTypes != nil {
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return true
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}
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return false
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}
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