Files
cloudpods/pkg/compute/models/storagecaches.go
T

282 lines
8.9 KiB
Go

package models
import (
"context"
"database/sql"
"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/cloudprovider"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/sqlchemy"
)
type SStoragecacheManager struct {
db.SStandaloneResourceBaseManager
SInfrastructureManager
}
var StoragecacheManager *SStoragecacheManager
func init() {
StoragecacheManager = &SStoragecacheManager{SStandaloneResourceBaseManager: db.NewStandaloneResourceBaseManager(SStoragecache{}, "storagecaches_tbl", "storagecache", "storagecaches")}
}
type SStoragecache struct {
db.SStandaloneResourceBase
SInfrastructure
SManagedResourceBase
Path string `width:"256" charset:"utf8" nullable:"true" list:"admin" update:"admin" create:"admin_optional"` // = Column(VARCHAR(256, charset='utf8'), nullable=True)
}
func (self *SStoragecache) getStorages() []SStorage {
storages := make([]SStorage, 0)
q := StorageManager.Query().Equals("storagecache_id", self.Id)
err := db.FetchModelObjects(StorageManager, q, &storages)
if err != nil {
return nil
}
return storages
}
func (self *SStoragecache) getStorageNames() []string {
storages := self.getStorages()
if storages == nil {
return nil
}
names := make([]string, len(storages))
for i := 0; i < len(storages); i += 1 {
names[i] = storages[i].Name
}
return names
}
func (manager *SStoragecacheManager) SyncWithCloudStoragecache(cloudCache cloudprovider.ICloudStoragecache) (*SStoragecache, error) {
localCacheObj, err := manager.FetchByExternalId(cloudCache.GetGlobalId())
if err != nil {
if err == sql.ErrNoRows {
return manager.newFromCloudStoragecache(cloudCache)
} else {
log.Errorf("%s", err)
return nil, err
}
} else {
localCache := localCacheObj.(*SStoragecache)
localCache.syncWithCloudStoragecache(cloudCache)
return localCache, nil
}
}
func (manager *SStoragecacheManager) newFromCloudStoragecache(cloudCache cloudprovider.ICloudStoragecache) (*SStoragecache, error) {
local := SStoragecache{}
local.SetModelManager(manager)
local.Name = cloudCache.GetName()
local.ExternalId = cloudCache.GetGlobalId()
local.IsEmulated = cloudCache.IsEmulated()
local.ManagerId = cloudCache.GetManagerId()
err := manager.TableSpec().Insert(&local)
if err != nil {
return nil, err
}
return &local, nil
}
func (self *SStoragecache) syncWithCloudStoragecache(cloudCache cloudprovider.ICloudStoragecache) error {
_, err := self.GetModelManager().TableSpec().Update(self, func() error {
self.Name = cloudCache.GetName()
self.IsEmulated = cloudCache.IsEmulated()
self.ManagerId = cloudCache.GetManagerId()
return nil
})
return err
}
func (self *SStoragecache) GetExtraDetails(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) *jsonutils.JSONDict {
extra := self.SStandaloneResourceBase.GetExtraDetails(ctx, userCred, query)
extra = self.getMoreDetails(extra)
return extra
}
func (self *SStoragecache) GetCustomizeColumns(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) *jsonutils.JSONDict {
extra := self.SStandaloneResourceBase.GetCustomizeColumns(ctx, userCred, query)
extra = self.getMoreDetails(extra)
return extra
}
func (self *SStoragecache) getCachedImages() []SStoragecachedimage {
images := make([]SStoragecachedimage, 0)
q := StoragecachedimageManager.Query().Equals("storagecache_id", self.Id)
err := q.All(&images)
if err != nil {
log.Errorf("%s", err)
return nil
}
return images
}
func (self *SStoragecache) getCachedImageCount() int {
images := self.getCachedImages()
return len(images)
}
func (self *SStoragecache) getCachedImageSize() int64 {
images := self.getCachedImages()
if images == nil {
return 0
}
var size int64 = 0
for _, img := range images {
imginfo := img.GetCachedimage()
size += imginfo.Size
}
return size
}
func (self *SStoragecache) getMoreDetails(extra *jsonutils.JSONDict) *jsonutils.JSONDict {
extra.Add(jsonutils.NewStringArray(self.getStorageNames()), "storages")
extra.Add(jsonutils.NewInt(self.getCachedImageSize()), "size")
extra.Add(jsonutils.NewInt(int64(self.getCachedImageCount())), "count")
return extra
}
func (self *SStoragecache) StartImageCacheTask(ctx context.Context, userCred mcclient.TokenCredential, imageId string, isForce bool, parentTaskId string) error {
StoragecachedimageManager.Register(ctx, userCred, self.Id, imageId)
data := jsonutils.NewDict()
data.Add(jsonutils.NewString(imageId), "image_id")
if isForce {
data.Add(jsonutils.JSONTrue, "is_force")
}
task, err := taskman.TaskManager.NewTask(ctx, "StorageCacheImageTask", self, userCred, data, parentTaskId, "", nil)
if err != nil {
log.Errorf("create StorageCacheImageTask fail %s", err)
return err
}
task.ScheduleRun(nil)
return nil
}
func (self *SStoragecache) StartImageUncacheTask(ctx context.Context, userCred mcclient.TokenCredential, imageId string, isForce bool, parentTaskId string) error {
if !isForce {
err := self.ValidateDeleteCondition(ctx)
if err != nil {
return err
}
}
data := jsonutils.NewDict()
data.Add(jsonutils.NewString(imageId), "image_id")
if isForce {
data.Add(jsonutils.JSONTrue, "is_force")
}
task, err := taskman.TaskManager.NewTask(ctx, "StorageUncacheImageTask", self, userCred, data, parentTaskId, "", nil)
if err != nil {
return err
}
task.ScheduleRun(nil)
return nil
}
func (self *SStoragecache) GetIStorageCache() (cloudprovider.ICloudStoragecache, error) {
provider, err := self.GetDriver()
if err != nil {
log.Errorf("fail to find cloud provider")
return nil, err
}
return provider.GetIStoragecacheById(self.GetExternalId())
}
func (manager *SStoragecacheManager) ListItemFilter(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*sqlchemy.SQuery, error) {
q, err := manager.SStandaloneResourceBaseManager.ListItemFilter(ctx, q, userCred, query)
if err != nil {
return nil, err
}
managerStr := jsonutils.GetAnyString(query, []string{"manager", "provider", "manager_id", "provider_id"})
if len(managerStr) > 0 {
provider := CloudproviderManager.FetchCloudproviderByIdOrName(managerStr)
if provider == nil {
return nil, httperrors.NewResourceNotFoundError("provider %s not found", managerStr)
}
q = q.Filter(sqlchemy.Equals(q.Field("manager_id"), provider.GetId()))
}
return q, nil
}
func (self *SStoragecache) ValidateDeleteCondition(ctx context.Context) error {
if self.getCachedImageCount() > 0 {
return httperrors.NewNotEmptyError("storage cache not empty")
}
return self.SStandaloneResourceBase.ValidateDeleteCondition(ctx)
}
func (self *SStoragecache) AllowPerformUncacheImage(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool {
return userCred.IsSystemAdmin()
}
func (self *SStoragecache) PerformUncacheImage(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error) {
imageStr, _ := data.GetString("image")
if len(imageStr) == 0 {
return nil, httperrors.NewInputParameterError("missing image id or name")
}
isForce := jsonutils.QueryBoolean(data, "is_force", false)
image, err := CachedimageManager.getImageInfo(ctx, userCred, imageStr, isForce)
if err != nil {
return nil, httperrors.NewImageNotFoundError("image %s not found: %s", imageStr, err)
}
scimg := StoragecachedimageManager.GetStoragecachedimage(self.Id, image.Id)
if scimg == nil {
return nil, httperrors.NewResourceNotFoundError("storage not cache image")
}
if scimg.Status == CACHED_IMAGE_STATUS_INIT {
err = scimg.Detach(ctx, userCred)
return nil, err
}
err = scimg.markDeleting(ctx, userCred)
if err != nil {
return nil, httperrors.NewInvalidStatusError("Fail to mark cache status: %s", err)
}
err = self.StartImageUncacheTask(ctx, userCred, image.Id, isForce, "")
return nil, err
}
func (self *SStoragecache) AllowPerformCacheImage(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool {
return userCred.IsSystemAdmin()
}
func (self *SStoragecache) PerformCacheImage(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error) {
imageStr, _ := data.GetString("image")
if len(imageStr) == 0 {
return nil, httperrors.NewInputParameterError("missing image id or name")
}
isForce := jsonutils.QueryBoolean(data, "is_force", false)
image, err := CachedimageManager.getImageInfo(ctx, userCred, imageStr, isForce)
if err != nil {
return nil, httperrors.NewImageNotFoundError("image %s not found: %s", imageStr, err)
}
if len(image.Checksum) == 0 {
return nil, httperrors.NewInvalidStatusError("Cannot cache image with no checksum")
}
err = self.StartImageCacheTask(ctx, userCred, image.Id, isForce, "")
return nil, err
}