Files
cloudpods/pkg/compute/tasks/disk_delete_task.go
2022-04-22 11:04:13 +08:00

258 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 tasks
import (
"context"
"database/sql"
"fmt"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
api "yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/db/taskman"
"yunion.io/x/onecloud/pkg/cloudcommon/notifyclient"
"yunion.io/x/onecloud/pkg/cloudprovider"
"yunion.io/x/onecloud/pkg/compute/models"
"yunion.io/x/onecloud/pkg/compute/options"
"yunion.io/x/onecloud/pkg/util/logclient"
)
type DiskDeleteTask struct {
SDiskBaseTask
}
func init() {
taskman.RegisterTask(DiskDeleteTask{})
taskman.RegisterTask(StorageDeleteRbdDiskTask{})
}
func (self *DiskDeleteTask) OnInit(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
disk := obj.(*models.SDisk)
cnt, err := disk.GetGuestDiskCount()
if err != nil {
reason := "Disk GetGuestDiskCount fail: " + err.Error()
self.SetStageFailed(ctx, jsonutils.NewString(reason))
db.OpsLog.LogEvent(disk, db.ACT_DELOCATE_FAIL, reason, self.UserCred)
return
}
if cnt > 0 {
reason := "Disk has been attached to server"
self.SetStageFailed(ctx, jsonutils.NewString(reason))
db.OpsLog.LogEvent(disk, db.ACT_DELOCATE_FAIL, reason, self.UserCred)
return
}
if jsonutils.QueryBoolean(self.Params, "delete_snapshots", false) {
self.SetStage("OnDiskSnapshotDelete", nil)
self.StartDeleteDiskSnapshots(ctx, disk)
} else {
self.OnDeleteSnapshots(ctx, disk)
}
}
func (self *DiskDeleteTask) OnDeleteSnapshots(ctx context.Context, disk *models.SDisk) {
isPurge := jsonutils.QueryBoolean(self.Params, "purge", false)
overridePendingDelete := jsonutils.QueryBoolean(self.Params, "override_pending_delete", false)
if len(disk.ExternalId) > 0 {
_, err := disk.GetIDisk()
if errors.Cause(err) == cloudprovider.ErrNotFound {
overridePendingDelete = true
}
}
if options.Options.EnablePendingDelete && !isPurge && !overridePendingDelete {
if disk.PendingDeleted {
self.SetStageComplete(ctx, nil)
return
}
self.startPendingDeleteDisk(ctx, disk)
} else {
self.startDeleteDisk(ctx, disk)
}
}
func (self *DiskDeleteTask) StartDeleteDiskSnapshots(ctx context.Context, disk *models.SDisk) {
disk.DeleteSnapshots(ctx, self.UserCred, self.GetId())
}
func (self *DiskDeleteTask) OnDiskSnapshotDelete(ctx context.Context, disk *models.SDisk, data jsonutils.JSONObject) {
self.OnDeleteSnapshots(ctx, disk)
}
func (self *DiskDeleteTask) OnDiskSnapshotDeleteFailed(ctx context.Context, disk *models.SDisk, data jsonutils.JSONObject) {
log.Errorf("Delete disk snapshots failed %s", data.String())
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, data)
}
func (self *DiskDeleteTask) startDeleteDisk(ctx context.Context, disk *models.SDisk) {
db.OpsLog.LogEvent(disk, db.ACT_DELOCATING, disk.GetShortDesc(ctx), self.UserCred)
if disk.Status == api.DISK_INIT {
self.OnGuestDiskDeleteComplete(ctx, disk, nil)
return
}
storage, err := disk.GetStorage()
if err != nil {
if errors.Cause(err) == sql.ErrNoRows { // dirty data
self.OnGuestDiskDeleteComplete(ctx, disk, nil)
return
}
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString("disk.GetStorage"))
return
}
host, err := storage.GetMasterHost()
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString("storage.GetMasterHost"))
return
}
isPurge := false
if (host == nil || !host.GetEnabled()) && jsonutils.QueryBoolean(self.Params, "purge", false) {
isPurge = true
}
disk.SetStatus(self.UserCred, api.DISK_DEALLOC, "")
if isPurge {
self.OnGuestDiskDeleteComplete(ctx, disk, nil)
return
}
if isNeed, _ := disk.IsNeedWaitSnapshotsDeleted(); isNeed { // for kvm rbd disk
self.OnGuestDiskDeleteComplete(ctx, disk, nil)
return
}
if len(disk.BackupStorageId) > 0 {
self.SetStage("OnMasterStorageDeleteDiskComplete", nil)
} else {
self.SetStage("OnGuestDiskDeleteComplete", nil)
}
if host == nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString("fail to find master host"))
return
}
err = host.GetHostDriver().RequestDeallocateDiskOnHost(ctx, host, storage, disk, self)
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString(err.Error()))
return
}
}
func (self *DiskDeleteTask) OnMasterStorageDeleteDiskComplete(ctx context.Context, disk *models.SDisk, data jsonutils.JSONObject) {
self.SetStage("OnGuestDiskDeleteComplete", nil)
storage := models.StorageManager.FetchStorageById(disk.BackupStorageId)
host, err := storage.GetMasterHost()
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString(fmt.Sprintf("backup storage %s fail to find master host", disk.BackupStorageId)))
return
}
err = host.GetHostDriver().RequestDeallocateDiskOnHost(ctx, host, storage, disk, self)
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString(err.Error()))
}
}
func (self *DiskDeleteTask) OnMasterStorageDeleteDiskCompleteFailed(ctx context.Context, disk *models.SDisk, reason jsonutils.JSONObject) {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, reason)
}
func (self *DiskDeleteTask) startPendingDeleteDisk(ctx context.Context, disk *models.SDisk) {
err := disk.DoPendingDelete(ctx, self.UserCred)
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk, jsonutils.NewString("pending delete disk failed"))
return
}
err = models.SnapshotPolicyDiskManager.SyncDetachByDisk(ctx, self.UserCred, nil, disk)
if err != nil {
self.OnGuestDiskDeleteCompleteFailed(ctx, disk,
jsonutils.NewString("detach all snapshotpolicies of disk failed"))
return
}
self.SetStageComplete(ctx, nil)
}
func (self *DiskDeleteTask) OnGuestDiskDeleteComplete(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
if obj == nil {
self.SetStageComplete(ctx, nil)
return
}
disk := obj.(*models.SDisk)
self.CleanHostSchedCache(disk)
db.OpsLog.LogEvent(disk, db.ACT_DELOCATE, disk.GetShortDesc(ctx), self.UserCred)
notifyclient.EventNotify(ctx, self.UserCred, notifyclient.SEventNotifyParam{
Obj: disk,
Action: notifyclient.ActionDelete,
})
if len(disk.SnapshotId) > 0 && disk.GetMetadata("merge_snapshot", nil) == "true" {
models.SnapshotManager.AddRefCount(disk.SnapshotId, -1)
}
disk.RealDelete(ctx, self.UserCred)
self.SetStageComplete(ctx, nil)
}
func (self *DiskDeleteTask) OnGuestDiskDeleteCompleteFailed(ctx context.Context, disk *models.SDisk, reason jsonutils.JSONObject) {
disk.SetStatus(self.GetUserCred(), api.DISK_DEALLOC_FAILED, reason.String())
self.SetStageFailed(ctx, reason)
db.OpsLog.LogEvent(disk, db.ACT_DELOCATE_FAIL, disk.GetShortDesc(ctx), self.GetUserCred())
logclient.AddActionLogWithContext(ctx, disk, logclient.ACT_DELOCATE, reason, self.UserCred, false)
}
type StorageDeleteRbdDiskTask struct {
taskman.STask
}
func (self *StorageDeleteRbdDiskTask) OnInit(ctx context.Context, obj db.IStandaloneModel, data jsonutils.JSONObject) {
storage := obj.(*models.SStorage)
self.DeleteDisk(ctx, storage, self.Params)
}
func (self *StorageDeleteRbdDiskTask) OnDeleteDisk(ctx context.Context, storage *models.SStorage, data jsonutils.JSONObject) {
self.DeleteDisk(ctx, storage, data)
}
func (self *StorageDeleteRbdDiskTask) DeleteDisk(ctx context.Context, storage *models.SStorage, data jsonutils.JSONObject) {
disksId := make([]string, 0)
data.Unmarshal(&disksId, "disks_id")
if len(disksId) == 0 {
self.SetStageComplete(ctx, nil)
return
}
params := jsonutils.NewDict()
params.Set("disks_id", jsonutils.Marshal(disksId[1:]))
params.Set("delete_disk", jsonutils.NewString(disksId[0]))
self.SetStage("OnDeleteDisk", params)
header := self.GetTaskRequestHeader()
url := fmt.Sprintf("/disks/%s/delete/%s", storage.Id, disksId[0])
body := jsonutils.NewDict()
host, err := storage.GetMasterHost()
if err != nil {
self.OnDeleteDiskFailed(ctx, storage, jsonutils.NewString("storage.GetMasterHost"))
return
}
_, err = host.Request(ctx, self.GetUserCred(), "POST", url, header, body)
if err != nil {
params.Set("err", jsonutils.NewString(err.Error()))
self.OnDeleteDiskFailed(ctx, storage, params)
}
}
func (self *StorageDeleteRbdDiskTask) OnDeleteDiskFailed(ctx context.Context, storage *models.SStorage, data jsonutils.JSONObject) {
deleteDisk, _ := data.GetString("delete_disk")
db.OpsLog.LogEvent(storage, db.ACT_DELETE_OBJECT, fmt.Sprintf("delete disk %s failed", deleteDisk), self.UserCred)
self.DeleteDisk(ctx, storage, self.Params)
}