forked from yunionio/cloudmux
/
storagecache.go
291 lines (248 loc) · 8.29 KB
/
storagecache.go
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// Copyright 2019 Yunion
//
// 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 apsara
import (
"context"
"fmt"
"strings"
"time"
"github.com/aliyun/aliyun-oss-go-sdk/oss"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/qemuimgfmt"
"yunion.io/x/cloudmux/pkg/cloudprovider"
"yunion.io/x/cloudmux/pkg/multicloud"
)
type SStoragecache struct {
multicloud.SResourceBase
ApsaraTags
region *SRegion
iimages []cloudprovider.ICloudImage
}
func (self *SStoragecache) GetId() string {
return fmt.Sprintf("%s-%s", self.region.client.cpcfg.Id, self.region.GetId())
}
func (self *SStoragecache) GetName() string {
return fmt.Sprintf("%s-%s", self.region.client.cpcfg.Name, self.region.GetId())
}
func (self *SStoragecache) GetStatus() string {
return "available"
}
func (self *SStoragecache) Refresh() error {
return nil
}
func (self *SStoragecache) GetGlobalId() string {
return fmt.Sprintf("%s-%s", self.region.client.cpcfg.Id, self.region.GetGlobalId())
}
func (self *SStoragecache) IsEmulated() bool {
return false
}
func (self *SStoragecache) getImages(owner ImageOwnerType) ([]SImage, error) {
images := make([]SImage, 0)
for {
parts, total, err := self.region.GetImages(ImageStatusType(""), owner, nil, "", len(images), 50)
if err != nil {
return nil, err
}
images = append(images, parts...)
if len(images) >= total {
break
}
}
return images, nil
}
func (self *SStoragecache) fetchImages() error {
images := make([]SImage, 0)
for _, owner := range []ImageOwnerType{ImageOwnerSelf, ImageOwnerSystem} {
_images, err := self.getImages(owner)
if err != nil {
return errors.Wrapf(err, "GetImage(%s)", owner)
}
images = append(images, _images...)
}
self.iimages = make([]cloudprovider.ICloudImage, len(images))
for i := 0; i < len(images); i += 1 {
images[i].storageCache = self
self.iimages[i] = &images[i]
}
return nil
}
func (self *SStoragecache) GetICloudImages() ([]cloudprovider.ICloudImage, error) {
if self.iimages == nil {
err := self.fetchImages()
if err != nil {
return nil, err
}
}
return self.iimages, nil
}
func (self *SStoragecache) GetICustomizedCloudImages() ([]cloudprovider.ICloudImage, error) {
return nil, cloudprovider.ErrNotImplemented
}
func (self *SStoragecache) GetIImageById(extId string) (cloudprovider.ICloudImage, error) {
img, err := self.region.GetImage(extId)
if err != nil {
return nil, err
}
img.storageCache = self
return img, nil
}
func (self *SStoragecache) GetPath() string {
return ""
}
func (self *SStoragecache) UploadImage(ctx context.Context, image *cloudprovider.SImageCreateOption, callback func(progress float32)) (string, error) {
if len(image.ExternalId) > 0 {
status, err := self.region.GetImageStatus(image.ExternalId)
if err != nil {
log.Errorf("GetImageStatus error %s", err)
}
log.Debugf("UploadImage: Image external ID %s exists, status %s", image.ExternalId, status)
// 不能直接删除 ImageStatusCreating 状态的image ,需要先取消importImage Task
if status == ImageStatusCreating {
err := self.region.CancelImageImportTasks()
if err != nil {
log.Errorln(err)
}
}
}
return self.uploadImage(ctx, image, callback)
}
func (self *SStoragecache) uploadImage(ctx context.Context, image *cloudprovider.SImageCreateOption, callback func(progress float32)) (string, error) {
reader, sizeByte, err := image.GetReader(image.ImageId, string(qemuimgfmt.QCOW2))
if err != nil {
return "", errors.Wrapf(err, "GetReader")
}
bucketName := strings.ToLower(fmt.Sprintf("imgcache-%s-%s", self.region.GetId(), image.ImageId))
exist, err := self.region.IBucketExist(bucketName)
if err != nil {
log.Errorf("IsBucketExist err %s", err)
return "", err
}
if !exist {
log.Debugf("Bucket %s not exists, to create ...", bucketName)
err = self.region.CreateIBucket(bucketName, "", "")
if err != nil {
log.Errorf("Create bucket error %s", err)
return "", err
}
} else {
log.Debugf("Bucket %s exists", bucketName)
}
defer self.region.DeleteIBucket(bucketName) // remove bucket
bucket, err := self.region.GetIBucketByName(bucketName)
if err != nil {
log.Errorf("Bucket error %s %s", bucketName, err)
return "", err
}
log.Debugf("To upload image to bucket %s ...", bucketName)
body := multicloud.NewProgress(sizeByte, 80, reader, callback)
err = cloudprovider.UploadObject(context.Background(), bucket, image.ImageId, 0, body, sizeByte, "", "", nil, false)
// err = bucket.PutObject(image.ImageId, reader)
if err != nil {
log.Errorf("PutObject error %s %s", image.ImageId, err)
return "", err
}
defer bucket.DeleteObject(context.Background(), image.ImageId) // remove object
imageBaseName := image.ImageId
if imageBaseName[0] >= '0' && imageBaseName[0] <= '9' {
imageBaseName = fmt.Sprintf("img%s", image.ImageId)
}
imageName := imageBaseName
nameIdx := 1
// check image name, avoid name conflict
for {
_, err = self.region.GetImageByName(imageName)
if err != nil {
if errors.Cause(err) == cloudprovider.ErrNotFound {
break
} else {
return "", err
}
}
imageName = fmt.Sprintf("%s-%d", imageBaseName, nameIdx)
nameIdx += 1
}
log.Debugf("Import image %s", imageName)
// ensure privileges
err = self.region.GetClient().EnableImageImport()
if err != nil {
log.Errorf("fail to enable import privileges: %s", err)
return "", err
}
task, err := self.region.ImportImage(imageName, image.OsArch, image.OsType, image.OsDistribution, bucketName, image.ImageId)
if err != nil {
log.Errorf("ImportImage error %s %s %s", image.ImageId, bucketName, err)
return "", err
}
// timeout: 1hour = 3600 seconds
err = self.region.waitTaskStatus(ImportImageTask, task.TaskId, TaskStatusFinished, 15*time.Second, 3600*time.Second)
if err != nil {
log.Errorf("waitTaskStatus %s", err)
return task.ImageId, err
}
if callback != nil {
callback(100)
}
return task.ImageId, nil
}
func (self *SRegion) CreateImage(snapshoutId, imageName, imageDesc string) (string, error) {
return self.createIImage(snapshoutId, imageName, imageDesc)
}
func (self *SRegion) createIImage(snapshoutId, imageName, imageDesc string) (string, error) {
params := make(map[string]string)
params["RegionId"] = self.RegionId
params["OssBucket"] = strings.ToLower(fmt.Sprintf("imgcache-%s", self.GetId()))
params["SnapshotId"] = snapshoutId
params["ImageName"] = imageName
params["Description"] = imageDesc
if body, err := self.ecsRequest("CreateImage", params); err != nil {
log.Errorf("CreateImage fail %s", err)
return "", err
} else {
log.Infof("%s", body)
return body.GetString("ImageId")
}
}
// 定义进度条监听器。
type OssProgressListener struct {
}
// 定义进度变更事件处理函数。
func (listener *OssProgressListener) ProgressChanged(event *oss.ProgressEvent) {
switch event.EventType {
case oss.TransferStartedEvent:
log.Debugf("Transfer Started, ConsumedBytes: %d, TotalBytes %d.\n",
event.ConsumedBytes, event.TotalBytes)
case oss.TransferDataEvent:
log.Debugf("\rTransfer Data, ConsumedBytes: %d, TotalBytes %d, %d%%.",
event.ConsumedBytes, event.TotalBytes, event.ConsumedBytes*100/event.TotalBytes)
case oss.TransferCompletedEvent:
log.Debugf("\nTransfer Completed, ConsumedBytes: %d, TotalBytes %d.\n",
event.ConsumedBytes, event.TotalBytes)
case oss.TransferFailedEvent:
log.Debugf("\nTransfer Failed, ConsumedBytes: %d, TotalBytes %d.\n",
event.ConsumedBytes, event.TotalBytes)
default:
}
}
func (region *SRegion) GetIStoragecaches() ([]cloudprovider.ICloudStoragecache, error) {
storageCache := region.getStoragecache()
return []cloudprovider.ICloudStoragecache{storageCache}, nil
}
func (region *SRegion) GetIStoragecacheById(id string) (cloudprovider.ICloudStoragecache, error) {
storageCache := region.getStoragecache()
if id == storageCache.GetGlobalId() {
return storageCache, nil
}
return nil, cloudprovider.ErrNotFound
}