dmlegacy

Documentation

Index

• func ActivateSnapshot(vm *api.VM) (devicePath string, err error)
• func AllocateAndPopulateOverlay(vm *api.VM) error
• func CreateImageFilesystem(img *api.Image, src source.Source) error
• func DeactivateSnapshot(vm *api.VM) error

Functions

func ActivateSnapshot

func ActivateSnapshot(vm *api.VM) (devicePath string, err error)

ActivateSnapshot sets up the snapshot with devicemapper so that it is active and can be used. It returns the path of the bootable snapshot device.

func AllocateAndPopulateOverlay

func AllocateAndPopulateOverlay(vm *api.VM) error

AllocateAndPopulateOverlay creates the overlay.dm file on top of an image, and configures the snapshot in all ways needed. It also copies in contents from the host as needed, and configures networking.

func CreateImageFilesystem

func CreateImageFilesystem(img *api.Image, src source.Source) error

CreateImageFilesystem creates an ext4 filesystem in a file, containing the files from the source

func DeactivateSnapshot

func DeactivateSnapshot(vm *api.VM) error

DeactivateSnapshot deactivates the snapshot by removing it with dmsetup