Files
cloudpods/pkg/compute/tasks/disk_save_task.go
2019-01-01 16:21:37 +08:00

109 lines
3.9 KiB
Go

package tasks
import (
"context"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
"yunion.io/x/onecloud/pkg/compute/models"
"yunion.io/x/onecloud/pkg/compute/options"
"yunion.io/x/onecloud/pkg/mcclient/auth"
mc "yunion.io/x/onecloud/pkg/mcclient/modules"
)
type DiskSaveTask struct {
SDiskBaseTask
}
func init() {
taskman.RegisterTask(DiskSaveTask{})
}
func (self *DiskSaveTask) GetMasterHost(disk *models.SDisk) *models.SHost {
if guests := disk.GetGuests(); len(guests) == 1 {
if host := guests[0].GetHost(); host == nil {
if storage := disk.GetStorage(); storage != nil {
return storage.GetMasterHost()
}
} else {
return host
}
}
return nil
}
func (self *DiskSaveTask) OnInit(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
disk := obj.(*models.SDisk)
if host := self.GetMasterHost(disk); host == nil {
resion := "Cannot find host for disk"
disk.SetDiskReady(ctx, self.GetUserCred(), resion)
self.TaskFailed(ctx, resion)
db.OpsLog.LogEvent(disk, db.ACT_SAVE_FAIL, resion, self.GetUserCred())
} else {
disk.SetStatus(self.GetUserCred(), models.DISK_START_SAVE, "")
for _, guest := range disk.GetGuests() {
guest.SetStatus(self.GetUserCred(), models.VM_SAVE_DISK, "")
}
self.StartBackupDisk(ctx, disk, host)
}
}
func (self *DiskSaveTask) StartBackupDisk(ctx context.Context, disk *models.SDisk, host *models.SHost) {
self.SetStage("on_disk_backup_complete", nil)
disk.SetStatus(self.GetUserCred(), models.DISK_SAVING, "")
imageId, _ := self.GetParams().GetString("image_id")
if err := host.GetHostDriver().RequestPrepareSaveDiskOnHost(ctx, host, disk, imageId, self); err != nil {
log.Errorf("Backup failed: %v", err)
disk.SetDiskReady(ctx, self.GetUserCred(), err.Error())
self.TaskFailed(ctx, err.Error())
db.OpsLog.LogEvent(disk, db.ACT_SAVE_FAIL, err.Error(), self.GetUserCred())
}
}
func (self *DiskSaveTask) OnDiskBackupCompleteFailed(ctx context.Context, disk *models.SDisk, data jsonutils.JSONObject) {
disk.SetDiskReady(ctx, self.GetUserCred(), data.String())
db.OpsLog.LogEvent(disk, db.ACT_SAVE_FAIL, data.String(), self.GetUserCred())
self.SetStageFailed(ctx, data.String())
}
func (self *DiskSaveTask) OnDiskBackupComplete(ctx context.Context, disk *models.SDisk, data *jsonutils.JSONDict) {
disk.SetDiskReady(ctx, self.GetUserCred(), "")
db.OpsLog.LogEvent(disk, db.ACT_SAVE, disk.GetShortDesc(ctx), self.GetUserCred())
self.SetStageComplete(ctx, nil)
imageId, _ := self.GetParams().GetString("image_id")
if host := self.GetMasterHost(disk); host == nil {
log.Errorf("Saved disk Host mast not be nil")
self.TaskFailed(ctx, "Saved disk Host mast not be nil")
} else {
if self.Params.Contains("format") {
format, _ := self.Params.Get("format")
data.Add(format, "format")
}
if err := self.UploadDisk(ctx, host, disk, imageId, data); err != nil {
log.Errorf("UploadDisk failed: %v", err)
self.TaskFailed(ctx, err.Error())
}
self.RefreshImageCache(ctx, imageId)
}
}
func (self *DiskSaveTask) RefreshImageCache(ctx context.Context, imageId string) {
models.CachedimageManager.GetImageById(ctx, self.GetUserCred(), imageId, true)
}
func (self *DiskSaveTask) UploadDisk(ctx context.Context, host *models.SHost, disk *models.SDisk, imageId string, data *jsonutils.JSONDict) error {
return host.GetHostDriver().RequestSaveUploadImageOnHost(ctx, host, disk, imageId, self, jsonutils.Marshal(data))
}
func (self *DiskSaveTask) TaskFailed(ctx context.Context, resion string) {
self.SetStageFailed(ctx, resion)
if imageId, err := self.GetParams().GetString("image_id"); err != nil && len(imageId) > 0 {
log.Errorf("save disk task failed, set image %s killed", imageId)
s := auth.GetAdminSession(ctx, options.Options.Region, "")
mc.Images.Update(s, imageId, jsonutils.Marshal(map[string]string{"status": "killed"}))
}
}