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vdm.go
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vdm.go
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/*
Copyright 2016 The Kubernetes 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 diskmanagers
import (
"time"
"golang.org/x/net/context"
"github.com/golang/glog"
"github.com/vmware/govmomi/object"
"github.com/vmware/govmomi/vim25/types"
"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
)
// virtualDiskManager implements VirtualDiskProvider Interface for creating and deleting volume using VirtualDiskManager
type virtualDiskManager struct {
diskPath string
volumeOptions *vclib.VolumeOptions
}
// Create implements Disk's Create interface
// Contains implementation of virtualDiskManager based Provisioning
func (diskManager virtualDiskManager) Create(ctx context.Context, datastore *vclib.Datastore) (canonicalDiskPath string, err error) {
if diskManager.volumeOptions.SCSIControllerType == "" {
diskManager.volumeOptions.SCSIControllerType = vclib.LSILogicControllerType
}
// Create virtual disk
diskFormat := vclib.DiskFormatValidType[diskManager.volumeOptions.DiskFormat]
// Create a virtual disk manager
vdm := object.NewVirtualDiskManager(datastore.Client())
// Create specification for new virtual disk
vmDiskSpec := &types.FileBackedVirtualDiskSpec{
VirtualDiskSpec: types.VirtualDiskSpec{
AdapterType: diskManager.volumeOptions.SCSIControllerType,
DiskType: diskFormat,
},
CapacityKb: int64(diskManager.volumeOptions.CapacityKB),
}
requestTime := time.Now()
// Create virtual disk
task, err := vdm.CreateVirtualDisk(ctx, diskManager.diskPath, datastore.Datacenter.Datacenter, vmDiskSpec)
if err != nil {
vclib.RecordvSphereMetric(vclib.APICreateVolume, requestTime, err)
glog.Errorf("Failed to create virtual disk: %s. err: %+v", diskManager.diskPath, err)
return "", err
}
taskInfo, err := task.WaitForResult(ctx, nil)
vclib.RecordvSphereMetric(vclib.APICreateVolume, requestTime, err)
if err != nil {
glog.Errorf("Failed to complete virtual disk creation: %s. err: %+v", diskManager.diskPath, err)
return "", err
}
canonicalDiskPath = taskInfo.Result.(string)
return canonicalDiskPath, nil
}
// Delete implements Disk's Delete interface
func (diskManager virtualDiskManager) Delete(ctx context.Context, datacenter *vclib.Datacenter) error {
// Create a virtual disk manager
virtualDiskManager := object.NewVirtualDiskManager(datacenter.Client())
diskPath := vclib.RemoveStorageClusterORFolderNameFromVDiskPath(diskManager.diskPath)
requestTime := time.Now()
// Delete virtual disk
task, err := virtualDiskManager.DeleteVirtualDisk(ctx, diskPath, datacenter.Datacenter)
if err != nil {
glog.Errorf("Failed to delete virtual disk. err: %v", err)
vclib.RecordvSphereMetric(vclib.APIDeleteVolume, requestTime, err)
return err
}
err = task.Wait(ctx)
vclib.RecordvSphereMetric(vclib.APIDeleteVolume, requestTime, err)
if err != nil {
glog.Errorf("Failed to delete virtual disk. err: %v", err)
return err
}
return nil
}