Files
cloudpods/pkg/hostman/storageman/diskhandlers/diskhandler.go
T

494 lines
16 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 diskhandlers
import (
"context"
"fmt"
"net/http"
"yunion.io/x/cloudmux/pkg/cloudprovider"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/regutils"
"yunion.io/x/pkg/utils"
"yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/appsrv"
"yunion.io/x/onecloud/pkg/cloudcommon/workmanager"
"yunion.io/x/onecloud/pkg/hostman/guestman"
"yunion.io/x/onecloud/pkg/hostman/hostutils"
"yunion.io/x/onecloud/pkg/hostman/storageman"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/auth"
)
var (
keyWords = []string{"disks"}
snapshotKeywords = []string{"snapshots"}
actionFuncs = map[string]actionFunc{
"create": diskCreate,
"delete": diskDelete,
"resize": diskResize,
"save-prepare": diskSavePrepare,
"reset": diskReset,
"snapshot": diskSnapshot,
"delete-snapshot": diskDeleteSnapshot,
"cleanup-snapshots": diskCleanupSnapshots,
"backup": diskBackup,
"src-migrate-prepare": diskSrcMigratePrepare,
"migrate": diskMigrate,
}
)
type actionFunc func(context.Context, mcclient.TokenCredential, storageman.IStorage, string, storageman.IDisk, jsonutils.JSONObject) (interface{}, error)
func AddDiskHandler(prefix string, app *appsrv.Application) {
for _, keyWord := range keyWords {
for _, seg := range []string{"iso_cache", "image_cache"} {
app.AddHandler("POST",
fmt.Sprintf("%s/%s/%s", prefix, keyWord, seg),
auth.Authenticate(perfetchImageCache))
app.AddHandler("DELETE",
fmt.Sprintf("%s/%s/%s", prefix, keyWord, seg),
auth.Authenticate(deleteImageCache))
}
app.AddHandler("POST",
fmt.Sprintf("%s/%s/<storageId>/upload", prefix, keyWord),
auth.Authenticate(saveToGlance))
app.AddHandler("POST",
fmt.Sprintf("%s/%s/<storageId>/<action>/<diskId>", prefix, keyWord),
auth.Authenticate(performDiskActions))
app.AddHandler("GET",
fmt.Sprintf("%s/%s/<storageId>/<diskId>/status", prefix, keyWord),
auth.Authenticate(getDiskStatus))
}
for _, keyWord := range snapshotKeywords {
app.AddHandler("GET",
fmt.Sprintf("%s/%s/<storageId>/<diskId>/<snapshotId>/status", prefix, keyWord),
auth.Authenticate(getSnapshotStatus),
)
}
}
func performImageCache(
ctx context.Context,
w http.ResponseWriter,
r *http.Request,
performAction string,
) {
_, _, body := appsrv.FetchEnv(ctx, w, r)
disk, err := body.Get("disk")
if err != nil {
httperrors.MissingParameterError(ctx, w, "disk")
return
}
scId, err := disk.GetString("storagecache_id")
if err != nil {
httperrors.MissingParameterError(ctx, w, "disk")
return
}
storagecache := storageman.GetManager().GetStoragecacheById(scId)
if storagecache == nil {
httperrors.NotFoundError(ctx, w, "Storagecache %s not found", scId)
return
}
var performTask workmanager.DelayTaskFunc
if performAction == "perfetch" {
performTask = storagecache.PrefetchImageCache
} else {
performTask = storagecache.DeleteImageCache
}
hostutils.DelayTask(ctx, performTask, disk)
hostutils.ResponseOk(ctx, w)
}
func perfetchImageCache(ctx context.Context, w http.ResponseWriter, r *http.Request) {
performImageCache(ctx, w, r, "perfetch")
}
func deleteImageCache(ctx context.Context, w http.ResponseWriter, r *http.Request) {
performImageCache(ctx, w, r, "delete")
}
func getDiskStatus(ctx context.Context, w http.ResponseWriter, r *http.Request) {
params, _, _ := appsrv.FetchEnv(ctx, w, r)
var (
storageId = params["<storageId>"]
diskId = params["<diskId>"]
)
storage := storageman.GetManager().GetStorage(storageId)
if storage == nil {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Storage %s not found", storageId))
return
}
ret := jsonutils.NewDict()
_, err := storage.GetDiskById(diskId)
if err != nil {
if errors.Cause(err) != cloudprovider.ErrNotFound {
hostutils.Response(ctx, w, httperrors.NewGeneralError(errors.Wrapf(err, "GetDiskById(%s)", diskId)))
return
}
ret.Set("status", jsonutils.NewString(compute.DISK_NOT_EXIST))
} else {
// Note: the statuses of disk on host are either exist or not exist
ret.Set("status", jsonutils.NewString(compute.DISK_EXIST))
}
hostutils.Response(ctx, w, ret)
}
func getSnapshotStatus(ctx context.Context, w http.ResponseWriter, r *http.Request) {
params, _, _ := appsrv.FetchEnv(ctx, w, r)
var (
storageId = params["<storageId>"]
diskId = params["<diskId>"]
snapshotId = params["<snapshotId>"]
)
storage := storageman.GetManager().GetStorage(storageId)
if storage == nil {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Storage %s not found", storageId))
return
}
var (
ret = jsonutils.NewDict()
status string
)
if exist, err := storage.IsSnapshotExist(diskId, snapshotId); exist {
status = compute.SNAPSHOT_EXIST
} else if !exist && err == nil {
status = compute.SNAPSHOT_NOT_EXIST
} else {
log.Errorf("fetch snapshot exist failed %s", err)
status = compute.SNAPSHOT_UNKNOWN
}
ret.Set("status", jsonutils.NewString(status))
hostutils.Response(ctx, w, ret)
}
func saveToGlance(ctx context.Context, w http.ResponseWriter, r *http.Request) {
params, _, body := appsrv.FetchEnv(ctx, w, r)
userCred := auth.FetchUserCredential(ctx, nil)
var (
storageId = params["<storageId>"]
diskInfo, _ = body.Get("disk")
)
storage := storageman.GetManager().GetStorage(storageId)
if storage == nil {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Storage %s not found", storageId))
return
}
if diskInfo == nil {
hostutils.Response(ctx, w, httperrors.NewMissingParameterError("disk"))
return
}
info := storageman.SStorageSaveToGlanceInfo{
UserCred: userCred,
DiskInfo: diskInfo.(*jsonutils.JSONDict),
}
hostutils.DelayTask(ctx, storage.SaveToGlance, info)
hostutils.ResponseOk(ctx, w)
}
func performDiskActions(ctx context.Context, w http.ResponseWriter, r *http.Request) {
params, _, body := appsrv.FetchEnv(ctx, w, r)
userCred := auth.FetchUserCredential(ctx, nil)
if body == nil {
body = jsonutils.NewDict()
}
var (
storageId = params["<storageId>"] // seg1
action = params["<action>"] // seg2
diskId = params["<diskId>"] // seg3
)
if !regutils.MatchUUID(storageId) {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Not found"))
return
}
storage := storageman.GetManager().GetStorage(storageId)
if storage == nil {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Storage %s not found", storageId))
return
}
var disk storageman.IDisk
var err error
rebuild, _ := body.Bool("disk", "rebuild")
if !utils.IsInStringArray(action, []string{"create", "migrate"}) || rebuild {
disk, err = storage.GetDiskById(diskId)
if err != nil {
if errors.Cause(err) != cloudprovider.ErrNotFound || action != "delete" {
hostutils.Response(ctx, w, httperrors.NewGeneralError(errors.Wrapf(err, "GetDiskById(%s)", diskId)))
return
}
}
}
f, ok := actionFuncs[action]
if !ok {
hostutils.Response(ctx, w, httperrors.NewNotFoundError("Action %s Not found", action))
return
}
res, err := f(ctx, userCred, storage, diskId, disk, body)
if err != nil {
hostutils.Response(ctx, w, err)
return
}
if res != nil {
hostutils.Response(ctx, w, res)
return
}
hostutils.ResponseOk(ctx, w)
}
func diskCreate(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
params := storageman.SDiskCreateByDiskinfo{
DiskId: diskId,
Disk: disk,
DiskInfo: compute.DiskAllocateInput{},
Storage: storage,
}
err := body.Unmarshal(&params.DiskInfo, "disk")
if err != nil {
return nil, errors.Wrapf(err, "body.Unmarshal")
}
hostutils.DelayTask(ctx, storage.CreateDiskByDiskinfo, &params)
return nil, nil
}
func diskDelete(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
flatPath, _ := body.GetString("esxi_flat_file_path")
input := compute.DiskDeleteInput{
EsxiFlatFilePath: flatPath,
// Only local storage support clean snapshots
CleanSnapshots: jsonutils.QueryBoolean(body, "clean_snapshots", false),
}
if disk != nil {
hostutils.DelayTask(ctx, disk.Delete, input)
} else {
hostutils.DelayTask(ctx, nil, nil)
}
return nil, nil
}
func diskResize(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
diskInfo, err := body.Get("disk")
if err != nil {
return nil, httperrors.NewMissingParameterError("disk")
}
serverId, _ := diskInfo.GetString("server_id")
if len(serverId) > 0 && guestman.GetGuestManager().Status(serverId) == "running" {
sizeMb, _ := diskInfo.Int("size")
return guestman.GetGuestManager().OnlineResizeDisk(ctx, serverId, disk, sizeMb)
} else {
hostutils.DelayTask(ctx, disk.Resize, diskInfo)
return nil, nil
}
}
func diskSavePrepare(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
diskInfo, err := body.Get("disk")
if err != nil {
return nil, httperrors.NewMissingParameterError("disk")
}
hostutils.DelayTask(ctx, disk.PrepareSaveToGlance, diskInfo)
return nil, nil
}
func diskReset(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
snapshotId, err := body.GetString("snapshot_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("snapshot_id")
}
backingDiskId, _ := body.GetString("backing_disk_id")
hostutils.DelayTask(ctx, disk.ResetFromSnapshot, &storageman.SDiskReset{
SnapshotId: snapshotId,
BackingDiskId: backingDiskId,
Input: body,
})
return nil, nil
}
func diskSrcMigratePrepare(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
snaps, back, hasTemplate, err := disk.PrepareMigrate(false)
if err != nil {
return nil, err
}
ret := jsonutils.NewDict()
if len(back) > 0 {
ret.Set("disk_back", jsonutils.NewString(back))
}
if len(snaps) > 0 {
ret.Set("disk_snaps_chain", jsonutils.NewStringArray(snaps))
}
if hasTemplate {
ret.Set("sys_disk_has_template", jsonutils.JSONTrue)
}
return ret, nil
}
func diskMigrate(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
srcStorageId, _ := body.GetString("src_storage_id")
if srcStorageId == "" {
return nil, httperrors.NewMissingParameterError("src_storage_id")
}
snapshotsUri, _ := body.GetString("snapshots_uri")
if snapshotsUri == "" {
return nil, httperrors.NewMissingParameterError("snapshots_uri")
}
diskUri, _ := body.GetString("disk_uri")
if diskUri == "" {
return nil, httperrors.NewMissingParameterError("disk_uri")
}
templateId, _ := body.GetString("template_id")
sysDiskHasTemplate := jsonutils.QueryBoolean(body, "sys_disk_has_template", false)
diskBackingFile, _ := body.GetString("disk_back")
outChainSnaps, _ := body.GetArray("out_chain_snapshots")
diskSnapsChain, _ := body.GetArray("disk_snaps_chain")
params := storageman.SDiskMigrate{
DiskId: diskId,
Disk: disk,
Storage: storage,
DiskUri: diskUri,
SnapshotsUri: snapshotsUri,
SrcStorageId: srcStorageId,
TemplateId: templateId,
DiskBackingFile: diskBackingFile,
SysDiskHasTemplate: sysDiskHasTemplate,
OutChainSnaps: outChainSnaps,
SnapsChain: diskSnapsChain,
}
hostutils.DelayTask(ctx, storage.DiskMigrate, &params)
return nil, nil
}
func diskSnapshot(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
snapshotId, err := body.GetString("snapshot_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("snapshot_id")
}
hostutils.DelayTask(ctx, disk.DiskSnapshot, snapshotId)
return nil, nil
}
func diskStorageBackup(ctx context.Context, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
backupId, err := body.GetString("backup_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_id")
}
backupStorageId, err := body.GetString("backup_storage_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_storage_id")
}
backupStorageAccessInfo, err := body.Get("backup_storage_access_info")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_storage_access_info")
}
hostutils.DelayTask(ctx, storage.StorageBackup, &storageman.SStorageBackup{
BackupId: backupId,
BackupStorageId: backupStorageId,
BackupStorageAccessInfo: backupStorageAccessInfo.(*jsonutils.JSONDict),
})
return nil, nil
}
func diskStorageBackupRecovery(ctx context.Context, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
backupId, err := body.GetString("backup_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_id")
}
backupStorageId, err := body.GetString("backup_storage_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_storage_id")
}
backupStorageAccessInfo, err := body.Get("backup_storage_access_info")
if err != nil {
return nil, httperrors.NewMissingParameterError("backup_storage_access_info")
}
hostutils.DelayTask(ctx, storage.StorageBackupRecovery, storageman.SStorageBackup{
BackupId: backupId,
BackupStorageId: backupStorageId,
BackupStorageAccessInfo: backupStorageAccessInfo.(*jsonutils.JSONDict),
})
return nil, nil
}
func diskBackup(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
backupInfo := &storageman.SDiskBackup{}
err := body.Unmarshal(backupInfo)
if err != nil {
return nil, errors.Wrap(err, "JsonUnmarshal")
}
if len(backupInfo.SnapshotId) == 0 {
return nil, httperrors.NewMissingParameterError("snapshot_id")
}
if len(backupInfo.BackupId) == 0 {
return nil, httperrors.NewMissingParameterError("backup_id")
}
if len(backupInfo.BackupStorageId) == 0 {
return nil, httperrors.NewMissingParameterError("backup_storage_id")
}
backupInfo.UserCred = userCred
hostutils.DelayTask(ctx, disk.DiskBackup, backupInfo)
return nil, nil
}
func diskDeleteSnapshot(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
snapshotId, err := body.GetString("snapshot_id")
if err != nil {
return nil, httperrors.NewMissingParameterError("snapshot_id")
}
hostutils.DelayTask(ctx, disk.DiskDeleteSnapshot, snapshotId)
return nil, nil
}
func diskCleanupSnapshots(ctx context.Context, userCred mcclient.TokenCredential, storage storageman.IStorage, diskId string, disk storageman.IDisk, body jsonutils.JSONObject) (interface{}, error) {
convertSnapshots, err := body.GetArray("convert_snapshots")
if err != nil {
return nil, httperrors.NewMissingParameterError("convert_snapshots")
}
deleteSnapshots, err := body.GetArray("delete_snapshots")
if err != nil {
return nil, httperrors.NewMissingParameterError("delete_snapshots")
}
hostutils.DelayTask(ctx, disk.CleanupSnapshots, &storageman.SDiskCleanupSnapshots{
ConvertSnapshots: convertSnapshots,
DeleteSnapshots: deleteSnapshots,
})
return nil, nil
}