Files
cloudpods/pkg/image/models/image_subs.go
Jian Qiu 2dd1aeb8aa fix: mount disk readonly (#13152)
Co-authored-by: Qiu Jian <qiujian@yunionyun.com>
2022-04-28 09:26:45 +08:00

392 lines
10 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 models
import (
"context"
"database/sql"
"fmt"
"os"
"path/filepath"
"strings"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
api "yunion.io/x/onecloud/pkg/apis/image"
noapi "yunion.io/x/onecloud/pkg/apis/notify"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/notifyclient"
"yunion.io/x/onecloud/pkg/image/options"
"yunion.io/x/onecloud/pkg/image/torrent"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/util/fileutils2"
"yunion.io/x/onecloud/pkg/util/torrentutils"
)
// +onecloud:swagger-gen-ignore
type SImageSubformatManager struct {
db.SResourceBaseManager
}
var ImageSubformatManager *SImageSubformatManager
func init() {
ImageSubformatManager = &SImageSubformatManager{
SResourceBaseManager: db.NewResourceBaseManager(
SImageSubformat{},
"image_subformats",
"image_subformat",
"image_subformats",
),
}
ImageSubformatManager.SetVirtualObject(ImageSubformatManager)
ImageSubformatManager.TableSpec().AddIndex(true, "image_id", "format")
}
type SImageSubformat struct {
SImagePeripheral
Format string `width:"20" charset:"ascii" nullable:"true"`
Size int64 `nullable:"true"`
Location string `nullable:"true"`
Checksum string `width:"32" charset:"ascii" nullable:"true"`
FastHash string `width:"32" charset:"ascii" nullable:"true"`
Status string `nullable:"false"`
TorrentSize int64 `nullable:"true"`
TorrentLocation string `nullable:"true"`
TorrentChecksum string `width:"32" charset:"ascii" nullable:"true"`
TorrentStatus string `nullable:"false"`
}
func (manager *SImageSubformatManager) FetchSubImage(id string, format string) *SImageSubformat {
q := manager.Query().Equals("image_id", id).Equals("format", format)
subImgObj, err := db.NewModelObject(manager)
if err != nil {
log.Errorf("new subformatfail %s", err)
return nil
}
subImg := subImgObj.(*SImageSubformat)
err = q.First(subImg)
if err != nil {
if err != sql.ErrNoRows {
log.Errorf("query subimage fail! %s", err)
}
return nil
}
return subImg
}
func (manager *SImageSubformatManager) GetAllSubImages(id string) []SImageSubformat {
q := manager.Query().Equals("image_id", id)
var subImgs []SImageSubformat
err := db.FetchModelObjects(manager, q, &subImgs)
if err != nil {
log.Errorf("query subimage fail!")
return nil
}
return subImgs
}
func (self *SImageSubformat) isLocal() bool {
return strings.HasPrefix(self.Location, LocalFilePrefix)
}
func (self *SImageSubformat) doConvert(image *SImage) error {
err := self.Save(image)
if err != nil {
log.Errorf("fail to convert image %s", err)
return err
}
if options.Options.EnableTorrentService {
err = self.SaveTorrent()
if err != nil {
log.Errorf("fail to convert image torrent %s", err)
return err
}
err = self.seedTorrent(image.Id)
if err != nil {
log.Errorf("fail to seed torrent %s", err)
return err
}
}
// log.Infof("Start seeding...")
return nil
}
func (self *SImageSubformat) Save(image *SImage) error {
var err error
defer func() {
if err != nil {
db.Update(self, func() error {
self.Status = api.IMAGE_STATUS_SAVE_FAIL
return nil
})
}
}()
if self.Status == api.IMAGE_STATUS_ACTIVE {
return nil
}
_, err = db.Update(self, func() error {
self.Status = api.IMAGE_STATUS_SAVING
return nil
})
if err != nil {
log.Errorf("updateStatus fail %s", err)
return err
}
info, err := storage.ConvertImage(context.Background(), image, self.Format)
if err != nil {
return errors.Wrap(err, "unable to ConvertImage")
}
location := image.GetPath(self.Format)
checksum, err := fileutils2.MD5(location)
if err != nil {
log.Errorf("fileutils2.Md5 fail %s", err)
return err
}
fastHash, err := fileutils2.FastCheckSum(location)
if err != nil {
log.Errorf("fileutils2.fastChecksum fail %s", err)
return err
}
_, err = db.Update(self, func() error {
self.Location = info.Location
self.Checksum = checksum
self.FastHash = fastHash
self.Size = info.SizeBytes
self.Status = api.IMAGE_STATUS_ACTIVE
return nil
})
if err != nil {
log.Errorf("updateStatus fail %s", err)
return err
}
return nil
}
func (self *SImageSubformat) SaveTorrent() error {
if self.TorrentStatus == api.IMAGE_STATUS_ACTIVE {
return nil
}
// if self.TorrentStatus != api.IMAGE_STATUS_QUEUED {
// return nil // httperrors.NewInvalidStatusError("cannot save torrent in status %s", self.Status)
// }
imgPath := self.GetLocalLocation()
torrentPath := filepath.Join(options.Options.TorrentStoreDir, fmt.Sprintf("%s.torrent", filepath.Base(imgPath)))
_, err := db.Update(self, func() error {
self.TorrentStatus = api.IMAGE_STATUS_SAVING
self.TorrentLocation = fmt.Sprintf("%s%s", LocalFilePrefix, torrentPath)
return nil
})
if err != nil {
log.Errorf("updateStatus fail %s", err)
return err
}
_, err = torrentutils.GenerateTorrent(imgPath, torrent.GetTrackers(), torrentPath)
if err != nil {
log.Errorf("torrentutils.GenerateTorrent %s fail %s", imgPath, err)
return err
}
checksum, err := fileutils2.MD5(torrentPath)
if err != nil {
log.Errorf("fileutils2.Md5 fail %s", err)
return err
}
_, err = db.Update(self, func() error {
self.TorrentStatus = api.IMAGE_STATUS_ACTIVE
self.TorrentLocation = fmt.Sprintf("%s%s", LocalFilePrefix, torrentPath)
self.TorrentChecksum = checksum
self.TorrentSize = fileutils2.FileSize(torrentPath)
return nil
})
if err != nil {
log.Errorf("updateStatus fail %s", err)
return err
}
return nil
}
func (self *SImageSubformat) GetLocalLocation() string {
if len(self.Location) > len(LocalFilePrefix) {
return self.Location[len(LocalFilePrefix):]
}
return ""
}
func (self *SImageSubformat) getLocalTorrentLocation() string {
if len(self.TorrentLocation) > len(LocalFilePrefix) {
return self.TorrentLocation[len(LocalFilePrefix):]
}
return ""
}
func (self *SImageSubformat) seedTorrent(imageId string) error {
file := self.getLocalTorrentLocation()
log.Debugf("add torrent %s to seed...", file)
return torrent.SeedTorrent(file, imageId, self.Format)
}
func (self *SImageSubformat) StopTorrent() {
if len(self.TorrentLocation) > 0 {
torrent.RemoveTorrent(self.getLocalTorrentLocation())
}
}
func (self *SImageSubformat) cleanup(ctx context.Context, userCred mcclient.TokenCredential) error {
err := self.removeFiles(ctx)
if err != nil {
return errors.Wrap(err, "removeFiles")
}
err = self.Delete(ctx, userCred)
if err != nil {
return errors.Wrap(err, "delete")
}
return nil
}
func (self *SImageSubformat) removeFiles(ctx context.Context) error {
self.StopTorrent()
location := self.getLocalTorrentLocation()
if len(location) > 0 && fileutils2.IsFile(location) {
err := os.Remove(location)
if err != nil {
return err
}
}
if err := RemoveImage(ctx, self.Location); err != nil {
if strings.Contains(err.Error(), "no such file or directory") {
return nil
}
return err
}
return nil
}
type SImageSubformatDetails struct {
Format string
Size int64
Checksum string
FastHash string
Status string
TorrentSize int64
TorrentChecksum string
TorrentStatus string
TorrentSeeding bool
}
func (self *SImageSubformat) GetDetails() SImageSubformatDetails {
details := SImageSubformatDetails{}
details.Format = self.Format
details.Size = self.Size
details.Checksum = self.Checksum
details.FastHash = self.FastHash
details.Status = self.Status
details.TorrentSize = self.TorrentSize
details.TorrentChecksum = self.TorrentChecksum
details.TorrentStatus = self.TorrentStatus
filePath := self.getLocalTorrentLocation()
if len(filePath) > 0 {
details.TorrentSeeding = torrent.GetTorrentSeeding(filePath)
}
return details
}
func (self *SImageSubformat) isActive(useFast bool, noCheckum bool) bool {
active, reason := isActive(self.GetLocalLocation(), self.Size, self.Checksum, self.FastHash, useFast, noCheckum)
if active || reason != FileChecksumMismatch {
return active
}
data := jsonutils.NewDict()
data.Set("name", jsonutils.NewString(self.ImageId))
notifyclient.SystemExceptionNotifyWithResult(context.TODO(), noapi.ActionChecksumTest, noapi.TOPIC_RESOURCE_IMAGE, noapi.ResultFailed, data)
return false
}
func (self *SImageSubformat) isTorrentActive() bool {
active, _ := isActive(self.getLocalTorrentLocation(), self.TorrentSize, self.TorrentChecksum, "", false, false)
return active
}
func (self *SImageSubformat) SetStatus(status string) error {
_, err := db.Update(self, func() error {
self.Status = status
return nil
})
return err
}
func (self *SImageSubformat) setTorrentStatus(status string) error {
_, err := db.Update(self, func() error {
self.TorrentStatus = status
return nil
})
return err
}
func (self *SImageSubformat) checkStatus(useFast bool, noChecksum bool) {
if strings.HasPrefix(self.Location, LocalFilePrefix) {
if self.isActive(useFast, noChecksum) {
if self.Status != api.IMAGE_STATUS_ACTIVE {
self.SetStatus(api.IMAGE_STATUS_ACTIVE)
}
if len(self.FastHash) == 0 {
fastHash, err := fileutils2.FastCheckSum(self.GetLocalLocation())
if err != nil {
log.Errorf("checkStatus fileutils2.FastChecksum fail %s", err)
} else {
_, err := db.Update(self, func() error {
self.FastHash = fastHash
return nil
})
if err != nil {
log.Errorf("checkStatus save FastHash fail %s", err)
}
}
}
} else {
if self.Status != api.IMAGE_STATUS_QUEUED {
self.SetStatus(api.IMAGE_STATUS_QUEUED)
}
}
if self.isTorrentActive() {
if self.TorrentStatus != api.IMAGE_STATUS_ACTIVE {
self.setTorrentStatus(api.IMAGE_STATUS_ACTIVE)
}
} else {
if self.TorrentStatus != api.IMAGE_STATUS_QUEUED {
self.setTorrentStatus(api.IMAGE_STATUS_QUEUED)
}
}
}
}
func (self *SImageSubformat) SetStatusSeeding(seeding bool) {
filePath := self.getLocalTorrentLocation()
if len(filePath) > 0 {
torrent.SetTorrentSeeding(filePath, seeding)
}
}