volume

Documentation

Index

• Constants
• Variables
• func CheckValidVolume(cStorVolume *apis.CStorVolume) error
• func CreateIstgtConf(cStorVolume *apis.CStorVolume) ([]byte, error)
• func CreateVolumeTarget(cStorVolume *apis.CStorVolume) error
• func ExecuteDesiredReplicationFactorCommand(cStorVolume *apis.CStorVolume, getDRFCmd func(*apis.CStorVolume) string) error
• func GetScaleDownCommand(cStorVolume *apis.CStorVolume) string
• func GetScaleUpCommand(cstorVolume *apis.CStorVolume) string
• func GetVolumeStatus(cStorVolume *apis.CStorVolume) (*apis.CVStatus, error)
• func ResizeTargetVolume(cStorVolume *apis.CStorVolume) error

Constants

const (
	// VolumeOperator is the name of the tool that makes volume-related operations.
	VolumeOperator = "iscsi"
)

Variables

var FileOperatorVar util.FileOperator

FileOperatorVar is used for doing File Operations

var UnixSockVar util.UnixSock

UnixSockVar is used for communication through Unix Socket

Functions

func CheckValidVolume

func CheckValidVolume(cStorVolume *apis.CStorVolume) error

CheckValidVolume checks for validity of CStorVolume resource.

func CreateIstgtConf

func CreateIstgtConf(cStorVolume *apis.CStorVolume) ([]byte, error)

CreateIstgtConf creates istgt.conf file

func CreateVolumeTarget

func CreateVolumeTarget(cStorVolume *apis.CStorVolume) error

CreateVolumeTarget creates a new cStor volume istgt config.

func ExecuteDesiredReplicationFactorCommand

func ExecuteDesiredReplicationFactorCommand(
	cStorVolume *apis.CStorVolume,
	getDRFCmd func(*apis.CStorVolume) string) error

ExecuteDesiredReplicationFactorCommand executes istgtcontrol command to update desired replication factor

func GetScaleDownCommand

func GetScaleDownCommand(cStorVolume *apis.CStorVolume) string

GetScaleDownCommand return replica scale down command Ex command: drf <vol_name> <value> <known replica list>

func GetScaleUpCommand

func GetScaleUpCommand(cstorVolume *apis.CStorVolume) string

GetScaleUpCommand will return data required to execute istgtcontrol drf command Ex command: drf <vol_name> <value>

func GetVolumeStatus

func GetVolumeStatus(cStorVolume *apis.CStorVolume) (*apis.CVStatus, error)

GetVolumeStatus retrieves an array of replica statuses.

func ResizeTargetVolume

func ResizeTargetVolume(cStorVolume *apis.CStorVolume) error

ResizeTargetVolume sends resize volume command to istgt and get the response