Files
cloudpods/pkg/compute/tasks/guest_change_disk_storage_task.go

205 lines
7.3 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 tasks
import (
"context"
"fmt"
"yunion.io/x/jsonutils"
"yunion.io/x/pkg/errors"
api "yunion.io/x/onecloud/pkg/apis/compute"
hostapi "yunion.io/x/onecloud/pkg/apis/host"
"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/util/logclient"
)
func init() {
taskman.RegisterTask(GuestChangeDiskStorageTask{})
}
type GuestChangeDiskStorageTask struct {
SGuestBaseTask
}
func (t *GuestChangeDiskStorageTask) OnInit(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
guest := obj.(*models.SGuest)
t.ChangeDiskStorage(ctx, guest)
}
func (t *GuestChangeDiskStorageTask) GetInputParams() (*api.ServerChangeDiskStorageInternalInput, error) {
input := new(api.ServerChangeDiskStorageInternalInput)
err := t.GetParams().Unmarshal(input)
return input, err
}
func (t *GuestChangeDiskStorageTask) getDiskById(id string) (*models.SDisk, error) {
obj, err := models.DiskManager.FetchById(id)
if err != nil {
return nil, err
}
return obj.(*models.SDisk), nil
}
func (t *GuestChangeDiskStorageTask) GetSourceDisk() (*models.SDisk, error) {
input, err := t.GetInputParams()
if err != nil {
return nil, errors.Wrap(err, "GetInputParams")
}
return t.getDiskById(input.DiskId)
}
func (t *GuestChangeDiskStorageTask) GetTargetDisk() (*models.SDisk, error) {
input, err := t.GetInputParams()
if err != nil {
return nil, errors.Wrap(err, "GetInputParams")
}
return t.getDiskById(input.TargetDiskId)
}
func (t *GuestChangeDiskStorageTask) ChangeDiskStorage(ctx context.Context, guest *models.SGuest) {
input, err := t.GetInputParams()
if err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("GetInputParams error: %v", err)))
return
}
targetDisk, err := t.GetTargetDisk()
if err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("GetTargetDisk error: %v", err)))
return
}
// set target disk's status to clone
targetDisk.SetStatus(t.GetUserCred(), api.DISK_CLONE, "")
t.SetStage("OnDiskChangeStorageComplete", nil)
if err := guest.GetDriver().RequestChangeDiskStorage(ctx, t.GetUserCred(), guest, input, t); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("RequestChangeDiskStorage: %s", err)))
return
}
}
func (t *GuestChangeDiskStorageTask) OnDiskChangeStorageComplete(ctx context.Context, guest *models.SGuest, data jsonutils.JSONObject) {
srcDisk, err := t.GetSourceDisk()
if err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("GetSourceDisk: %v", err)))
return
}
// update target disk attributes by response
resp := new(hostapi.ServerCloneDiskFromStorageResponse)
if err := data.Unmarshal(resp); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("Unmarshal response: %v", err)))
return
}
targetDisk, err := t.GetTargetDisk()
if err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("GetTargetDisk error: %v", err)))
return
}
if _, err := db.UpdateWithLock(ctx, targetDisk, func() error {
targetDisk.AccessPath = resp.TargetAccessPath
targetDisk.DiskFormat = resp.TargetFormat
return nil
}); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("Update target disk attributes error: %v", err)))
return
}
guestSrcDisk := guest.GetGuestDisk(srcDisk.GetId())
if guestSrcDisk == nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("Source disk %s not attached", srcDisk.GetId())))
return
}
conf := guestSrcDisk.ToDiskConfig()
t.SetStage("OnSourceDiskDetachComplete", jsonutils.Marshal(conf).(*jsonutils.JSONDict))
if err := t.detachSourceDisk(ctx, guest, srcDisk); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("detachSourceDisk: %s", err)))
return
}
}
func (t *GuestChangeDiskStorageTask) OnDiskChangeStorageCompleteFailed(ctx context.Context, guest *models.SGuest, err jsonutils.JSONObject) {
// set target disk's status to clone
targetDisk, _ := t.GetTargetDisk()
targetDisk.SetStatus(t.GetUserCred(), api.DISK_CLONE_FAIL, err.String())
t.TaskFailed(ctx, guest, err)
}
func (t *GuestChangeDiskStorageTask) detachSourceDisk(ctx context.Context, guest *models.SGuest, srcDisk *models.SDisk) error {
input, err := t.GetInputParams()
if err != nil {
return errors.Wrap(err, "GetInputParams")
}
return guest.StartGuestDetachdiskTask(ctx, t.GetUserCred(), srcDisk, input.KeepOriginDisk, t.GetTaskId(), false)
}
func (t *GuestChangeDiskStorageTask) OnSourceDiskDetachComplete(ctx context.Context, guest *models.SGuest, data jsonutils.JSONObject) {
t.SetStage("OnTargetDiskAttachComplete", data.(*jsonutils.JSONDict))
conf := new(api.DiskConfig)
if err := data.Unmarshal(conf); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("unmarshal %s to api.DiskConfig: %s", data, err)))
return
}
if err := t.attachTargetDisk(ctx, guest, conf); err != nil {
t.TaskFailed(ctx, guest, jsonutils.NewString(fmt.Sprintf("attachTargetDisk: %s", err)))
return
}
}
func (t *GuestChangeDiskStorageTask) OnSourceDiskDetachCompleteFailed(ctx context.Context, guest *models.SGuest, err jsonutils.JSONObject) {
t.TaskFailed(ctx, guest, err)
}
func (t *GuestChangeDiskStorageTask) attachTargetDisk(ctx context.Context, guest *models.SGuest, conf *api.DiskConfig) error {
targetDisk, err := t.GetTargetDisk()
if err != nil {
return errors.Wrap(err, "GetTargetDisk")
}
confData := map[string]interface{}{
"index": conf.Index,
"mountpoint": conf.Mountpoint,
"driver": conf.Driver,
"cache": conf.Cache,
}
attachData := jsonutils.Marshal(confData).(*jsonutils.JSONDict)
attachData.Add(jsonutils.NewString(targetDisk.GetId()), "disk_id")
return guest.GetDriver().StartGuestAttachDiskTask(ctx, t.GetUserCred(), guest, attachData, t.GetTaskId())
}
func (t *GuestChangeDiskStorageTask) OnTargetDiskAttachComplete(ctx context.Context, guest *models.SGuest, data jsonutils.JSONObject) {
t.TaskComplete(ctx, guest, nil)
}
func (t *GuestChangeDiskStorageTask) OnTargetDiskAttachCompleteFailed(ctx context.Context, guest *models.SGuest, err jsonutils.JSONObject) {
t.TaskFailed(ctx, guest, err)
}
func (t *GuestChangeDiskStorageTask) TaskComplete(ctx context.Context, guest *models.SGuest, data jsonutils.JSONObject) {
logclient.AddActionLogWithStartable(t, guest, logclient.ACT_DISK_CHANGE_STORAGE, nil, t.GetUserCred(), true)
t.SetStageComplete(ctx, nil)
}
func (t *GuestChangeDiskStorageTask) TaskFailed(ctx context.Context, guest *models.SGuest, reason jsonutils.JSONObject) {
guest.SetStatus(t.GetUserCred(), api.VM_DISK_CHANGE_STORAGE_FAIL, reason.String())
logclient.AddActionLogWithStartable(t, guest, logclient.ACT_DISK_CHANGE_STORAGE, reason, t.GetUserCred(), false)
t.SetStageFailed(ctx, reason)
}