volume

Documentation

Overview

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.

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.

Index

• Constants
• type LocalVolume
• type LocalVolumeImplement
  • func (v *LocalVolumeImplement) AddNewDiskToVg(disk, vgName string) error
  • func (v *LocalVolumeImplement) CloneVolume(lvName, vgName, newLvName string) error
  • func (v *LocalVolumeImplement) CreateSnapshot(snapName, lvName, vgName string) error
  • func (v *LocalVolumeImplement) CreateVolume(lvName, vgName string, size, ratio uint64) error
  • func (v *LocalVolumeImplement) DeleteSnapshot(snapName, vgName string) error
  • func (v *LocalVolumeImplement) DeleteVolume(lvName, vgName string) error
  • func (v *LocalVolumeImplement) GetCurrentPvStruct() ([]types.PVInfo, error)
  • func (v *LocalVolumeImplement) GetCurrentVgStruct() ([]types.VgGroup, error)
  • func (v *LocalVolumeImplement) HealthCheck()
  • func (v *LocalVolumeImplement) NoticeUpdateCapacity(vgName []string)
  • func (v *LocalVolumeImplement) RefreshLvmCache()
  • func (v *LocalVolumeImplement) RegisterNoticeServer(vgName string, notice chan struct{})
  • func (v *LocalVolumeImplement) RemoveDiskInVg(disk, vgName string) error
  • func (v *LocalVolumeImplement) ResizeVolume(lvName, vgName string, size, ratio uint64) error
  • func (v *LocalVolumeImplement) RestoreSnapshot(snapName, vgName string) error
  • func (v *LocalVolumeImplement) SnapshotList(lvName, vgName string) ([]types.LvInfo, error)
  • func (v *LocalVolumeImplement) VolumeInfo(lvName, vgName string) (*types.LvInfo, error)
  • func (v *LocalVolumeImplement) VolumeList(lvName, vgName string) ([]types.LvInfo, error)

Constants

const (
	THIN     = "thin-"
	SNAP     = "snap-"
	LVVolume = "volume-"
)

const VOLUMEMUTEX = "VolumeMutex"

Types

type LocalVolume

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{})
}

本接口负责对外提供方法 处理业务逻辑并调用lvm接口

type LocalVolumeImplement

type LocalVolumeImplement struct {
	Lv              lvmd.Lvm2
	Mutex           *mutx.GlobalLocks
	NoticeServerMap map[string]chan struct{}
}

func (*LocalVolumeImplement) AddNewDiskToVg

func (v *LocalVolumeImplement) AddNewDiskToVg(disk, vgName string) error

func (*LocalVolumeImplement) CloneVolume

func (v *LocalVolumeImplement) CloneVolume(lvName, vgName, newLvName string) error

func (*LocalVolumeImplement) CreateSnapshot

func (v *LocalVolumeImplement) CreateSnapshot(snapName, lvName, vgName string) error

func (*LocalVolumeImplement) CreateVolume

func (v *LocalVolumeImplement) CreateVolume(lvName, vgName string, size, ratio uint64) error

func (*LocalVolumeImplement) DeleteSnapshot

func (v *LocalVolumeImplement) DeleteSnapshot(snapName, vgName string) error

func (*LocalVolumeImplement) DeleteVolume

func (v *LocalVolumeImplement) DeleteVolume(lvName, vgName string) error

func (*LocalVolumeImplement) GetCurrentPvStruct

func (v *LocalVolumeImplement) GetCurrentPvStruct() ([]types.PVInfo, error)

func (*LocalVolumeImplement) GetCurrentVgStruct

func (v *LocalVolumeImplement) GetCurrentVgStruct() ([]types.VgGroup, error)

func (*LocalVolumeImplement) HealthCheck

func (v *LocalVolumeImplement) HealthCheck()

func (*LocalVolumeImplement) NoticeUpdateCapacity

func (v *LocalVolumeImplement) NoticeUpdateCapacity(vgName []string)

func (*LocalVolumeImplement) RefreshLvmCache

func (v *LocalVolumeImplement) RefreshLvmCache()

func (*LocalVolumeImplement) RegisterNoticeServer

func (v *LocalVolumeImplement) RegisterNoticeServer(vgName string, notice chan struct{})

func (*LocalVolumeImplement) RemoveDiskInVg

func (v *LocalVolumeImplement) RemoveDiskInVg(disk, vgName string) error

func (*LocalVolumeImplement) ResizeVolume

func (v *LocalVolumeImplement) ResizeVolume(lvName, vgName string, size, ratio uint64) error

func (*LocalVolumeImplement) RestoreSnapshot

func (v *LocalVolumeImplement) RestoreSnapshot(snapName, vgName string) error

func (*LocalVolumeImplement) SnapshotList

func (v *LocalVolumeImplement) SnapshotList(lvName, vgName string) ([]types.LvInfo, error)

func (*LocalVolumeImplement) VolumeInfo

func (v *LocalVolumeImplement) VolumeInfo(lvName, vgName string) (*types.LvInfo, error)

func (*LocalVolumeImplement) VolumeList

func (v *LocalVolumeImplement) VolumeList(lvName, vgName string) ([]types.LvInfo, error)