mirror of
https://github.com/yunionio/cloudpods.git
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83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storageman
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import (
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"context"
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"yunion.io/x/jsonutils"
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"yunion.io/x/log"
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api "yunion.io/x/onecloud/pkg/apis/compute"
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)
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type IImageCacheMangerFactory interface {
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NewImageCacheManager(manager *SStorageManager, cachePath string, storage IStorage, storagecacheId string) IImageCacheManger
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StorageType() string
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}
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var (
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imageCacheManagerFactories = make(map[string]IImageCacheMangerFactory)
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)
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func registerimageCacheManagerFactory(factory IImageCacheMangerFactory) {
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imageCacheManagerFactories[factory.StorageType()] = factory
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}
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func NewImageCacheManager(manager *SStorageManager, cachePath string, storage IStorage, storagecacheId string, storageType string) IImageCacheManger {
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if factory, ok := imageCacheManagerFactories[storageType]; ok {
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return factory.NewImageCacheManager(manager, cachePath, storage, storagecacheId)
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}
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log.Errorf("no image cache manager driver for %s found", storageType)
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return nil
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}
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type IImageCacheManger interface {
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GetId() string
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GetPath() string
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SetStoragecacheId(string)
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// for diskhandler
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PrefetchImageCache(ctx context.Context, data interface{}) (jsonutils.JSONObject, error)
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DeleteImageCache(ctx context.Context, data interface{}) (jsonutils.JSONObject, error)
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AcquireImage(ctx context.Context, input api.CacheImageInput, callback func(progress, progressMbps float64, totalSizeMb int64)) (IImageCache, error)
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ReleaseImage(ctx context.Context, imageId string)
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LoadImageCache(imageId string)
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}
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type SBaseImageCacheManager struct {
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storageManager IStorageManager
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storagecacaheId string
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cachePath string
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cachedImages map[string]IImageCache
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}
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func (c *SBaseImageCacheManager) GetPath() string {
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return c.cachePath
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}
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func (c *SBaseImageCacheManager) GetId() string {
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return c.storagecacaheId
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}
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func (c *SBaseImageCacheManager) SetStoragecacheId(scid string) {
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c.storagecacaheId = scid
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}
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func (c *SBaseImageCacheManager) GetStorageManager() IStorageManager {
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return c.storageManager
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}
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