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69ecce1e75
volumes have "csi-cephfs-dyn-" prefix when they are provisioned dynamically (provisionVolume=true) and have "csi-cephfs-sta-" prefix when they are provisioned statically by the user (provisionVolume=false)
61 lines
1.5 KiB
Go
61 lines
1.5 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 cephfs
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import (
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"github.com/container-storage-interface/spec/lib/go/csi/v0"
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"github.com/pborman/uuid"
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)
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const (
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dynamicallyProvisionedVolumePrefix = "csi-cephfs-dyn-"
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staticallyProvisionedVolumePrefix = "csi-cephfs-sta-"
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volumePrefixLen = len(dynamicallyProvisionedVolumePrefix)
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)
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type volumeIdentifier struct {
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name, uuid, id string
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}
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func newVolumeIdentifier(volOptions *volumeOptions, req *csi.CreateVolumeRequest) *volumeIdentifier {
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volId := volumeIdentifier{
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name: req.GetName(),
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uuid: uuid.NewUUID().String(),
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}
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prefix := staticallyProvisionedVolumePrefix
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if volOptions.ProvisionVolume {
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prefix = dynamicallyProvisionedVolumePrefix
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}
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volId.id = prefix + volId.uuid
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return &volId
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}
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func uuidFromVolumeId(volId string) string {
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return volId[volumePrefixLen:]
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}
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func isDynProvision(volId string) bool {
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if len(volId) <= volumePrefixLen {
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return false
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}
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return volId[:volumePrefixLen] == dynamicallyProvisionedVolumePrefix
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}
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