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delete.go
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delete.go
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// Copyright 2016 The Kubernetes Authors.
// Copyright 2016 The OpenSDS 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 volume
import (
"fmt"
"github.com/golang/glog"
"github.com/kubernetes-incubator/external-storage/lib/controller"
"github.com/opensds/nbp/opensds-provisioner/pkg/client"
v1 "k8s.io/api/core/v1"
)
func (p *opensdsProvisioner) Delete(volume *v1.PersistentVolume) error {
//glog.Infof("Delete called for volume:", volume.Name)
provisioned, err := p.provisioned(volume)
if err != nil {
return fmt.Errorf("error determining if this provisioner was the one to provision volume %q: %v", volume.Name, err)
}
if !provisioned {
strerr := fmt.Sprintf("this provisioner id %s didn't provision volume %q and so can't delete it; id %s did & can", p.identity, volume.Name, volume.Annotations[annProvisionerID])
return &controller.IgnoredError{Reason: strerr}
}
if _, exist := volume.Spec.PersistentVolumeSource.FlexVolume.Options[client.KVolumeId]; !exist {
return fmt.Errorf("PV dostn't have an volumeId, can,t delete it.")
}
err = p.sdsclient.Delete(volume.Spec.PersistentVolumeSource.FlexVolume.Options[client.KVolumeId])
if err != nil {
glog.Errorf("Failed to delete volume %s, error: %s", volume, err.Error())
return err
}
return nil
}
func (p *opensdsProvisioner) provisioned(volume *v1.PersistentVolume) (bool, error) {
provisionerID, ok := volume.Annotations[annProvisionerID]
if !ok {
return false, fmt.Errorf("PV doesn't have an annotation %s", annProvisionerID)
}
return provisionerID == string(p.identity), nil
}