utils

Documentation

Index

• Constants
• func CallerWithCondLock[T any](cond *sync.Cond, f func() T) T
• func ContainsIgnoredCase(s []string, k string) bool
• func GetFullDevPath(shortPath string) string
• func IsFSCorrupted(err error) bool
• func IsHostProcMounted() (bool, error)
• func IsSupportedFileSystem(fsType string) bool
• func MakeExt4DiskFormatting(devPath, uuid string) error
• func MatchesIgnoredCase(s []string, k string) bool
• func MountDisk(devPath, mountPoint string) error
• func UmountDisk(path string) error
• func XMLWriter(targetFilePath string, xmlData any) error
• type Disk
  • func DiskXMLReader(filePath string) (Disk, error)
• type Driver
• type Source
• type Target

Constants

const (
	// ProcPath is a vfs storing process info for Linux.
	ProcPath = "/proc"
	// HostProcPath is the convention path where host `/proc` is mounted.
	HostProcPath = "/host/proc"
	// DiskRemoveTag indicates a Longhorn is pending to remove.
	DiskRemoveTag = "harvester-ndm-disk-remove"
)

Functions

func CallerWithCondLock

func CallerWithCondLock[T any](cond *sync.Cond, f func() T) T

CallerWithLock is a helper function to call a function with a condition lock

func ContainsIgnoredCase

func ContainsIgnoredCase(s []string, k string) bool

func GetFullDevPath

func GetFullDevPath(shortPath string) string

func IsFSCorrupted

func IsFSCorrupted(err error) bool

func IsHostProcMounted

func IsHostProcMounted() (bool, error)

IsHostProcMounted checks if host's proc info `/proc` is mounted on `/host/proc`

func IsSupportedFileSystem

func IsSupportedFileSystem(fsType string) bool

func MakeExt4DiskFormatting

func MakeExt4DiskFormatting(devPath, uuid string) error

func MatchesIgnoredCase

func MatchesIgnoredCase(s []string, k string) bool

func MountDisk

func MountDisk(devPath, mountPoint string) error

MountDisk mounts the specified ext4 volume device to the specified path

func UmountDisk

func UmountDisk(path string) error

UmountDisk unmounts the specified volume device to the specified path

func XMLWriter

func XMLWriter(targetFilePath string, xmlData any) error

XMLWriter write XML to target file, make sure your xmlData should valid

Types

type Disk

type Disk struct {
	XMLName xml.Name `xml:"disk"`
	Type    string   `xml:"type,attr"`
	Device  string   `xml:"device,attr"`
	Driver  Driver   `xml:"driver"`
	Source  Source   `xml:"source"`
	Target  Target   `xml:"target"`
	WWN     string   `xml:"wwn"`
}

func DiskXMLReader

func DiskXMLReader(filePath string) (Disk, error)

DiskXMLReader can read the libvirt disk xml file and return a Disk struct

type Driver

type Driver struct {
	Name string `xml:"name,attr"`
	Type string `xml:"type,attr"`
}

type Source

type Source struct {
	File string `xml:"file,attr"`
}

type Target

type Target struct {
	Dev string `xml:"dev,attr"`
	Bus string `xml:"bus,attr"`
}