forked from LaconicNetwork/kompose
143 lines
3.8 KiB
Go
143 lines
3.8 KiB
Go
/*
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Copyright 2016 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 util
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import (
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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/util/sets"
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)
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func GetAllFSTypesExcept(exceptions ...string) sets.String {
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fstypes := GetAllFSTypesAsSet()
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for _, e := range exceptions {
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fstypes.Delete(e)
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}
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return fstypes
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}
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func GetAllFSTypesAsSet() sets.String {
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fstypes := sets.NewString()
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fstypes.Insert(
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string(api.FSTypeHostPath),
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string(api.FSTypeAzureFile),
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string(api.FSTypeFlocker),
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string(api.FSTypeFlexVolume),
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string(api.FSTypeEmptyDir),
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string(api.FSTypeGCEPersistentDisk),
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string(api.FSTypeAWSElasticBlockStore),
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string(api.FSTypeGitRepo),
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string(api.FSTypeSecret),
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string(api.FSTypeNFS),
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string(api.FSTypeISCSI),
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string(api.FSTypeGlusterfs),
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string(api.FSTypePersistentVolumeClaim),
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string(api.FSTypeRBD),
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string(api.FSTypeCinder),
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string(api.FSTypeCephFS),
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string(api.FSTypeDownwardAPI),
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string(api.FSTypeFC),
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string(api.FSTypeConfigMap),
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string(api.FSTypeVsphereVolume),
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string(api.FSTypeQuobyte),
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string(api.FSTypeAzureDisk),
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)
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return fstypes
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}
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// getVolumeFSType gets the FSType for a volume.
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func GetVolumeFSType(v api.Volume) (api.FSType, error) {
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switch {
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case v.HostPath != nil:
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return api.FSTypeHostPath, nil
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case v.EmptyDir != nil:
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return api.FSTypeEmptyDir, nil
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case v.GCEPersistentDisk != nil:
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return api.FSTypeGCEPersistentDisk, nil
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case v.AWSElasticBlockStore != nil:
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return api.FSTypeAWSElasticBlockStore, nil
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case v.GitRepo != nil:
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return api.FSTypeGitRepo, nil
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case v.Secret != nil:
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return api.FSTypeSecret, nil
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case v.NFS != nil:
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return api.FSTypeNFS, nil
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case v.ISCSI != nil:
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return api.FSTypeISCSI, nil
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case v.Glusterfs != nil:
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return api.FSTypeGlusterfs, nil
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case v.PersistentVolumeClaim != nil:
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return api.FSTypePersistentVolumeClaim, nil
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case v.RBD != nil:
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return api.FSTypeRBD, nil
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case v.FlexVolume != nil:
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return api.FSTypeFlexVolume, nil
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case v.Cinder != nil:
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return api.FSTypeCinder, nil
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case v.CephFS != nil:
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return api.FSTypeCephFS, nil
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case v.Flocker != nil:
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return api.FSTypeFlocker, nil
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case v.DownwardAPI != nil:
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return api.FSTypeDownwardAPI, nil
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case v.FC != nil:
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return api.FSTypeFC, nil
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case v.AzureFile != nil:
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return api.FSTypeAzureFile, nil
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case v.ConfigMap != nil:
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return api.FSTypeConfigMap, nil
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case v.VsphereVolume != nil:
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return api.FSTypeVsphereVolume, nil
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case v.Quobyte != nil:
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return api.FSTypeQuobyte, nil
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case v.AzureDisk != nil:
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return api.FSTypeAzureDisk, nil
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}
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return "", fmt.Errorf("unknown volume type for volume: %#v", v)
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}
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// fsTypeToStringSet converts an FSType slice to a string set.
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func FSTypeToStringSet(fsTypes []api.FSType) sets.String {
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set := sets.NewString()
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for _, v := range fsTypes {
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set.Insert(string(v))
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}
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return set
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}
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// SCCAllowsAllVolumes checks for FSTypeAll in the scc's allowed volumes.
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func SCCAllowsAllVolumes(scc *api.SecurityContextConstraints) bool {
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return SCCAllowsFSType(scc, api.FSTypeAll)
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}
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// SCCAllowsFSType is a utility for checking if an SCC allows a particular FSType.
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// If all volumes are allowed then this will return true for any FSType passed.
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func SCCAllowsFSType(scc *api.SecurityContextConstraints, fsType api.FSType) bool {
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if scc == nil {
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return false
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}
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for _, v := range scc.Volumes {
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if v == fsType || v == api.FSTypeAll {
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return true
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}
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}
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return false
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}
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