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interface.go
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interface.go
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/*
Copyright @ 2021 fushaosong <fushaosong@beyondlet.com>.
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 volume
import (
"github.com/bocloud/carina/pkg/devicemanager/types"
)
const (
THIN = "thin-"
SNAP = "snap-"
LVVolume = "volume-"
)
// 本接口负责对外提供方法
// 处理业务逻辑并调用lvm接口
type LocalVolume interface {
CreateVolume(lvName, vgName string, size, ratio uint64) error
DeleteVolume(lvName, vgName string) error
ResizeVolume(lvName, vgName string, size, ratio uint64) error
VolumeList(lvName, vgName string) ([]types.LvInfo, error)
VolumeInfo(lvName, vgName string) (*types.LvInfo, error)
CreateSnapshot(snapName, lvName, vgName string) error
DeleteSnapshot(snapName, vgName string) error
RestoreSnapshot(snapName, vgName string) error
SnapshotList(lvName, vgName string) ([]types.LvInfo, error)
CloneVolume(lvName, vgName, newLvName string) error
// 额外的方法
GetCurrentVgStruct() ([]types.VgGroup, error)
GetCurrentPvStruct() ([]types.PVInfo, error)
AddNewDiskToVg(disk, vgName string) error
RemoveDiskInVg(disk, vgName string) error
HealthCheck()
RefreshLvmCache()
// For Device Plugin
NoticeUpdateCapacity(vgName []string)
// 注册通知服务,因为多个vg组,每个组需要不同的channel
RegisterNoticeServer(vgName string, notice chan struct{})
}