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/*
Copyright 2017 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 azure
import (
"fmt"
azs "github.com/Azure/azure-sdk-for-go/storage"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/golang/glog"
)
const (
useHTTPS = true
)
// FileClient is the interface for creating file shares, interface for test
// injection.
type FileClient interface {
createFileShare(accountName, accountKey, name string, sizeGiB int) error
deleteFileShare(accountName, accountKey, name string) error
resizeFileShare(accountName, accountKey, name string, sizeGiB int) error
}
// create file share
func (az *Cloud) createFileShare(accountName, accountKey, name string, sizeGiB int) error {
return az.FileClient.createFileShare(accountName, accountKey, name, sizeGiB)
}
func (az *Cloud) deleteFileShare(accountName, accountKey, name string) error {
return az.FileClient.deleteFileShare(accountName, accountKey, name)
}
func (az *Cloud) resizeFileShare(accountName, accountKey, name string, sizeGiB int) error {
return az.FileClient.resizeFileShare(accountName, accountKey, name, sizeGiB)
}
type azureFileClient struct {
env azure.Environment
}
func (f *azureFileClient) createFileShare(accountName, accountKey, name string, sizeGiB int) error {
fileClient, err := f.getFileSvcClient(accountName, accountKey)
if err != nil {
return err
}
// create a file share and set quota
// Note. Per https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/Create-Share,
// setting x-ms-share-quota can set quota on the new share, but in reality, setting quota in CreateShare
// receives error "The metadata specified is invalid. It has characters that are not permitted."
// As a result,breaking into two API calls: create share and set quota
share := fileClient.GetShareReference(name)
if err = share.Create(nil); err != nil {
return fmt.Errorf("failed to create file share, err: %v", err)
}
share.Properties.Quota = sizeGiB
if err = share.SetProperties(nil); err != nil {
if err := share.Delete(nil); err != nil {
glog.Errorf("Error deleting share: %v", err)
}
return fmt.Errorf("failed to set quota on file share %s, err: %v", name, err)
}
return nil
}
// delete a file share
func (f *azureFileClient) deleteFileShare(accountName, accountKey, name string) error {
fileClient, err := f.getFileSvcClient(accountName, accountKey)
if err != nil {
return err
}
return fileClient.GetShareReference(name).Delete(nil)
}
func (f *azureFileClient) resizeFileShare(accountName, accountKey, name string, sizeGiB int) error {
fileClient, err := f.getFileSvcClient(accountName, accountKey)
if err != nil {
return err
}
share := fileClient.GetShareReference(name)
if share.Properties.Quota >= sizeGiB {
glog.Warningf("file share size(%dGi) is already greater or equal than requested size(%dGi), accountName: %s, shareName: %s",
share.Properties.Quota, sizeGiB, accountName, name)
return nil
}
share.Properties.Quota = sizeGiB
if err = share.SetProperties(nil); err != nil {
return fmt.Errorf("failed to set quota on file share %s, err: %v", name, err)
}
glog.V(4).Infof("resize file share completed, accountName: %s, shareName: %s, sizeGiB: %d", accountName, name, sizeGiB)
return nil
}
func (f *azureFileClient) getFileSvcClient(accountName, accountKey string) (*azs.FileServiceClient, error) {
fileClient, err := azs.NewClient(accountName, accountKey, f.env.StorageEndpointSuffix, azs.DefaultAPIVersion, useHTTPS)
if err != nil {
return nil, fmt.Errorf("error creating azure client: %v", err)
}
fc := fileClient.GetFileService()
return &fc, nil
}
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