utils

package

v1.3.3 Latest Latest Go to latest Published: Feb 1, 2017 License: Apache-2.0 Imports: 8 Imported by: 0

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Repository

github.com/NetApp/netappdvp

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Documentation ¶

Index ¶

Constants
func ConvertSizeToBytes(s string) (string, error)
func ConvertSizeToBytes64(s string) (string, error)
func FormatVolume(device, fsType string) error
func GetDeviceFileFromIscsiPath(iscsiPath string) (devFile string)
func GetFSType(device string) string
func GetInitiatorIqns() ([]string, error)
func GetV(opts map[string]string, key string, defaultValue string) string
func IscsiDisableDelete(tgt *IscsiTargetInfo) (err error)
func IscsiDiscovery(portal string) (targets []string, err error)
func IscsiRescan() (err error)
func IscsiSessionExists(portal string) (bool, error)
func IscsiSupported() bool
func IscsiadmCmd(args []string) ([]byte, error)
func LoginWithChap(tiqn, portal, username, password, iface string) error
func Mount(device, mountpoint string) error
func MultipathFlush() (err error)
func Pow(x, y int) int
func Pow64(x int64, y int) int64
func Stat(fileName string) (string, error)
func Umount(mountpoint string) error
func WaitForPathToExist(fileName string, numTries int) bool
type DFInfo
- func GetDFOutput() ([]DFInfo, error)
type IscsiSessionInfo
- func GetIscsiSessionInfo() ([]IscsiSessionInfo, error)
type IscsiTargetInfo
type ScsiDeviceInfo
- func GetDeviceInfoForLuns() ([]ScsiDeviceInfo, error)
- func LsscsiCmd(args []string) ([]ScsiDeviceInfo, error)

Constants ¶

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const Darwin = "darwin"

Darwin is a constant value for the runtime.GOOS that represents Apple OSX

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const Linux = "linux"

Linux is a constant value for the runtime.GOOS that represents the Linux OS

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const Windows = "windows"

Windows is a constant value for the runtime.GOOS that represents the Windows OS

Variables ¶

This section is empty.

Functions ¶

func ConvertSizeToBytes ¶

func ConvertSizeToBytes(s string) (string, error)

ConvertSizeToBytes converts size to bytes; see also https://en.wikipedia.org/wiki/Kilobyte

func ConvertSizeToBytes64 ¶

func ConvertSizeToBytes64(s string) (string, error)

ConvertSizeToBytes64 converts size to bytes; see also https://en.wikipedia.org/wiki/Kilobyte

func FormatVolume ¶

func FormatVolume(device, fsType string) error

FormatVolume creates a filesystem for the supplied device of the supplied type

func GetDeviceFileFromIscsiPath ¶

func GetDeviceFileFromIscsiPath(iscsiPath string) (devFile string)

GetDeviceFileFromIscsiPath returns the /dev device for the supplied iscsiPath

func GetFSType ¶

func GetFSType(device string) string

GetFSType returns the filesystem for the supplied device

func GetInitiatorIqns ¶

func GetInitiatorIqns() ([]string, error)

GetInitiatorIqns returns parsed contents of /etc/iscsi/initiatorname.iscsi

func GetV ¶

func GetV(opts map[string]string, key string, defaultValue string) string

GetV takes a map, key, and a defaultValue; will return the value of the key or defaultValue none set

func IscsiDisableDelete ¶

func IscsiDisableDelete(tgt *IscsiTargetInfo) (err error)

IscsiDisableDelete logout from the supplied target and remove the iscsi device

func IscsiDiscovery ¶

func IscsiDiscovery(portal string) (targets []string, err error)

IscsiDiscovery uses the 'iscsiadm' command to perform discovery

func IscsiRescan ¶

func IscsiRescan() (err error)

IscsiRescan uses the 'rescan-scsi-bus' command to perform rescanning of the SCSI bus

func IscsiSessionExists ¶

func IscsiSessionExists(portal string) (bool, error)

IscsiSessionExists checks to see if a session exists to the sepecified portal

func IscsiSupported ¶

func IscsiSupported() bool

IscsiSupported returns true if iscsiadm is installed and in the PATH

func IscsiadmCmd ¶

func IscsiadmCmd(args []string) ([]byte, error)

IscsiadmCmd uses the 'iscsiadm' command to perform operations

func LoginWithChap ¶

func LoginWithChap(tiqn, portal, username, password, iface string) error

LoginWithChap will login to the iscsi target with the supplied credentials

func Mount ¶

func Mount(device, mountpoint string) error

Mount attaches the supplied device at the supplied location

func MultipathFlush ¶

func MultipathFlush() (err error)

MultipathFlush uses the 'multipath' commands to flush paths that have been removed

func Pow ¶

func Pow(x, y int) int

Pow is an integer version of exponentation; existing builtin is float, we needed an int version

func Pow64 ¶

func Pow64(x int64, y int) int64

Pow is an integer version of exponentation; existing builtin is float, we needed an int version

func Stat ¶ added in v1.3.3

func Stat(fileName string) (string, error)

func Umount ¶

func Umount(mountpoint string) error

Umount detaches from the supplied location

func WaitForPathToExist ¶

func WaitForPathToExist(fileName string, numTries int) bool

WaitForPathToExist retries every second, up to numTries times, for the specified fileName to show up

Types ¶

type DFInfo ¶

type DFInfo struct {
	Target string
	Source string
}

DFInfo data structure for wrapping the parsed output from the 'df' command

func GetDFOutput ¶

func GetDFOutput() ([]DFInfo, error)

GetDFOutput returns parsed DF output

type IscsiSessionInfo ¶

type IscsiSessionInfo struct {
	SID        string
	Portal     string
	PortalIP   string
	TargetName string
}

IscsiSessionInfo contains information about iSCSI sessions

func GetIscsiSessionInfo ¶

func GetIscsiSessionInfo() ([]IscsiSessionInfo, error)

GetIscsiSessionInfo parses output from 'iscsiadm -m session' and returns the parsed output

type IscsiTargetInfo ¶

type IscsiTargetInfo struct {
	IP        string
	Port      string
	Portal    string
	Iqn       string
	Lun       string
	Device    string
	Discovery string
}

IscsiTargetInfo structure for usage with the iscsiadm command

type ScsiDeviceInfo ¶

type ScsiDeviceInfo struct {
	Host            string
	Channel         string
	Target          string
	LUN             string
	Device          string
	MultipathDevice string
	Filesystem      string
	IQN             string
}

ScsiDeviceInfo contains information about SCSI devices

func GetDeviceInfoForLuns ¶

func GetDeviceInfoForLuns() ([]ScsiDeviceInfo, error)

GetDeviceInfoForLuns parses 'lsscsi' to find NetApp LUNs

func LsscsiCmd ¶

func LsscsiCmd(args []string) ([]ScsiDeviceInfo, error)

LsscsiCmd executes and parses the output from the 'lsscsi' command

Source Files ¶

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