Files
cloudpods/pkg/multicloud/azure/storagecache.go
2021-05-28 20:18:10 +08:00

297 lines
8.9 KiB
Go

// 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 azure
import (
"context"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"strings"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/onecloud/pkg/cloudprovider"
"yunion.io/x/onecloud/pkg/compute/options"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/auth"
"yunion.io/x/onecloud/pkg/mcclient/modules"
"yunion.io/x/onecloud/pkg/multicloud"
"yunion.io/x/onecloud/pkg/util/fileutils2"
"yunion.io/x/onecloud/pkg/util/qemuimg"
)
const (
DefaultStorageAccount string = "image"
DefaultContainer string = "image-cache"
DefaultReadBlockSize int64 = 4 * 1024 * 1024
)
type SStoragecache struct {
multicloud.SResourceBase
multicloud.AzureTags
region *SRegion
}
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) GetICloudImages() ([]cloudprovider.ICloudImage, error) {
return nil, cloudprovider.ErrNotImplemented
}
func (self *SStoragecache) GetICustomizedCloudImages() ([]cloudprovider.ICloudImage, error) {
images, err := self.region.GetImages(cloudprovider.ImageTypeCustomized)
if err != nil {
return nil, errors.Wrapf(err, "GetImages")
}
ret := []cloudprovider.ICloudImage{}
for i := 0; i < len(images); i++ {
images[i].storageCache = self
ret = append(ret, &images[i])
}
return ret, nil
}
func (self *SStoragecache) GetIImageById(extId string) (cloudprovider.ICloudImage, error) {
img, err := self.region.GetImageById(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, userCred mcclient.TokenCredential, image *cloudprovider.SImageCreateOption, isForce bool) (string, error) {
if len(image.ExternalId) > 0 {
log.Debugf("UploadImage: Image external ID exists %s", image.ExternalId)
status, err := self.region.GetImageStatus(image.ExternalId)
if err != nil {
log.Errorf("GetImageStatus error %s", err)
}
if status == ImageStatusAvailable && !isForce {
return image.ExternalId, nil
}
} else {
log.Debugf("UploadImage: no external ID")
}
err := os.MkdirAll(options.Options.TempPath, os.ModePerm)
if err != nil {
log.Warningf("failed to create tmp path %s error: %v", options.Options.TempPath, err)
}
return self.uploadImage(ctx, userCred, image, isForce, options.Options.TempPath)
}
func (self *SStoragecache) checkStorageAccount() (*SStorageAccount, error) {
storageaccounts, err := self.region.ListStorageAccounts()
if err != nil {
return nil, errors.Wrap(err, "ListStorageAccounts")
}
if len(storageaccounts) == 0 {
storageaccount, err := self.region.CreateStorageAccount(self.region.Name)
if err != nil {
return nil, errors.Wrap(err, "CreateStorageAccount")
}
return storageaccount, nil
}
for i := 0; i < len(storageaccounts); i++ {
if id, ok := storageaccounts[i].Tags["id"]; ok && id == self.region.Name {
return &storageaccounts[i], nil
}
}
storageaccount := &storageaccounts[0]
if storageaccount.Tags == nil {
storageaccount.Tags = map[string]string{}
}
storageaccount.Tags["id"] = self.region.Name
err = self.region.update(jsonutils.Marshal(storageaccount), nil)
if err != nil {
return nil, errors.Wrapf(err, "Update(%s)", jsonutils.Marshal(storageaccount).String())
}
return storageaccount, nil
}
func (self *SStoragecache) uploadImage(ctx context.Context, userCred mcclient.TokenCredential, image *cloudprovider.SImageCreateOption, isForce bool, tmpPath string) (string, error) {
s := auth.GetAdminSession(ctx, options.Options.Region, "")
meta, reader, sizeBytes, err := modules.Images.Download(s, image.ImageId, string(qemuimg.VHD), false)
if err != nil {
return "", err
}
// {
// "checksum":"d0ab0450979977c6ada8d85066a6e484",
// "container_format":"bare",
// "created_at":"2018-08-10T04:18:07",
// "deleted":"False",
// "disk_format":"vhd",
// "id":"64189033-3ad4-413c-b074-6bf0b6be8508",
// "is_public":"False",
// "min_disk":"0",
// "min_ram":"0",
// "name":"centos-7.3.1611-20180104.vhd",
// "owner":"5124d80475434da8b41fee48d5be94df",
// "properties":{
// "os_arch":"x86_64",
// "os_distribution":"CentOS",
// "os_type":"Linux",
// "os_version":"7.3.1611-VHD"
// },
// "protected":"False",
// "size":"2028505088",
// "status":"active",
// "updated_at":"2018-08-10T04:20:59"
// }
log.Infof("meta data %s", meta)
imageNameOnBlob, _ := meta.GetString("name")
if !strings.HasSuffix(imageNameOnBlob, ".vhd") {
imageNameOnBlob = fmt.Sprintf("%s.vhd", imageNameOnBlob)
}
tmpFile := fmt.Sprintf("%s/%s", tmpPath, imageNameOnBlob)
defer os.Remove(tmpFile)
f, err := os.Create(tmpFile)
if err != nil {
return "", errors.Wrap(err, "os.Create(tmpFile)")
}
defer f.Close()
if _, err := io.Copy(f, reader); err != nil {
return "", errors.Wrap(err, "io.Copy(f, reader)")
}
storageaccount, err := self.checkStorageAccount()
if err != nil {
return "", errors.Wrap(err, "self.checkStorageAccount")
}
blobURI, err := storageaccount.UploadFile("image-cache", tmpFile)
if err != nil {
return "", errors.Wrap(err, "storageaccount.UploadFile")
}
// size, _ := meta.Int("size")
img, err := self.region.CreateImageByBlob(image.ImageId, image.OsType, blobURI, int32(sizeBytes>>30))
if err != nil {
return "", errors.Wrap(err, "CreateImageByBlob")
}
return img.GetGlobalId(), nil
}
func (self *SStoragecache) CreateIImage(snapshotId, imageName, osType, imageDesc string) (cloudprovider.ICloudImage, error) {
if image, err := self.region.CreateImage(snapshotId, imageName, osType, imageDesc); err != nil {
return nil, err
} else {
image.storageCache = self
return image, nil
}
}
func (self *SStoragecache) DownloadImage(userCred mcclient.TokenCredential, imageId string, extId string, path string) (jsonutils.JSONObject, error) {
return self.downloadImage(userCred, imageId, extId, path)
}
func (self *SStoragecache) downloadImage(userCred mcclient.TokenCredential, imageId string, extId string, path string) (jsonutils.JSONObject, error) {
// TODO: need to fix scenarios where image is a public image
// XXX Qiu Jian
if image, err := self.region.getPrivateImage(extId); err != nil {
return nil, err
} else if snapshotId := image.Properties.StorageProfile.OsDisk.Snapshot.ID; len(snapshotId) == 0 {
return nil, cloudprovider.ErrNotFound
} else if uri, err := self.region.GrantAccessSnapshot(snapshotId); err != nil {
return nil, err
} else if resp, err := http.Get(uri); err != nil {
return nil, err
} else {
tmpImageFile, err := ioutil.TempFile(path, "temp")
if err != nil {
return nil, err
}
defer tmpImageFile.Close()
defer os.Remove(tmpImageFile.Name())
{
sf := fileutils2.NewSparseFileWriter(tmpImageFile)
data := make([]byte, DefaultReadBlockSize)
written := int64(0)
for {
n, err := resp.Body.Read(data)
if n > 0 {
if n, err := sf.Write(data); err != nil {
return nil, err
} else {
written += int64(n)
}
} else if err == io.EOF {
if written <= resp.ContentLength {
return nil, fmt.Errorf("got eof: expecting %d bytes, got %d", resp.ContentLength, written)
}
break
} else {
return nil, err
}
}
if err := sf.PreClose(); err != nil {
return nil, err
}
}
if _, err := tmpImageFile.Seek(0, os.SEEK_SET); err != nil {
return nil, errors.Wrap(err, "seek")
}
s := auth.GetAdminSession(context.Background(), options.Options.Region, "")
params := jsonutils.Marshal(map[string]string{"image_id": imageId, "disk-format": "raw"})
if result, err := modules.Images.Upload(s, params, tmpImageFile, resp.ContentLength); err != nil {
return nil, err
} else {
return result, nil
}
}
}
func (region *SRegion) GetIStoragecaches() ([]cloudprovider.ICloudStoragecache, error) {
storageCache := region.getStoragecache()
return []cloudprovider.ICloudStoragecache{storageCache}, nil
}