imgutil

Documentation

Index

• func AcceptableAsBasedisk(info *Info) error
• func ConvertToRaw(source, dest string) error
• func CreateDisk(disk, format string, size int) error
• func ResizeDisk(disk, format string, size int) error
• type Info
  • func GetInfo(f string) (*Info, error)
  • func ParseInfo(b []byte) (*Info, error)
• type InfoChild
• type InfoFormatSpecific
  • func (sp *InfoFormatSpecific) Qcow2() *InfoFormatSpecificDataQcow2
  • func (sp *InfoFormatSpecific) Vmdk() *InfoFormatSpecificDataVmdk
• type InfoFormatSpecificDataQcow2
• type InfoFormatSpecificDataVmdk
• type InfoFormatSpecificDataVmdkExtent

Functions

func AcceptableAsBasedisk

func AcceptableAsBasedisk(info *Info) error

func ConvertToRaw

func ConvertToRaw(source, dest string) error

func CreateDisk

func CreateDisk(disk, format string, size int) error

func ResizeDisk

func ResizeDisk(disk, format string, size int) error

Types

type Info

type Info struct {
	Filename              string              `json:"filename,omitempty"`                // since QEMU 1.3
	Format                string              `json:"format,omitempty"`                  // since QEMU 1.3
	VSize                 int64               `json:"virtual-size,omitempty"`            // since QEMU 1.3
	ActualSize            int64               `json:"actual-size,omitempty"`             // since QEMU 1.3
	DirtyFlag             bool                `json:"dirty-flag,omitempty"`              // since QEMU 5.2
	ClusterSize           int                 `json:"cluster-size,omitempty"`            // since QEMU 1.3
	BackingFilename       string              `json:"backing-filename,omitempty"`        // since QEMU 1.3
	FullBackingFilename   string              `json:"full-backing-filename,omitempty"`   // since QEMU 1.3
	BackingFilenameFormat string              `json:"backing-filename-format,omitempty"` // since QEMU 1.3
	FormatSpecific        *InfoFormatSpecific `json:"format-specific,omitempty"`         // since QEMU 1.7
	Children              []InfoChild         `json:"children,omitempty"`                // since QEMU 8.0
}

Info corresponds to the output of `qemu-img info --output=json FILE`.

func GetInfo

func GetInfo(f string) (*Info, error)

func ParseInfo

func ParseInfo(b []byte) (*Info, error)

type InfoChild

type InfoChild struct {
	Name string `json:"name,omitempty"` // since QEMU 8.0
	Info Info   `json:"info,omitempty"` // since QEMU 8.0
}

type InfoFormatSpecific

type InfoFormatSpecific struct {
	Type string          `json:"type,omitempty"` // since QEMU 1.7
	Data json.RawMessage `json:"data,omitempty"` // since QEMU 1.7
}

func (*InfoFormatSpecific) Qcow2

func (sp *InfoFormatSpecific) Qcow2() *InfoFormatSpecificDataQcow2

func (*InfoFormatSpecific) Vmdk

func (sp *InfoFormatSpecific) Vmdk() *InfoFormatSpecificDataVmdk

type InfoFormatSpecificDataQcow2

type InfoFormatSpecificDataQcow2 struct {
	Compat          string `json:"compat,omitempty"`           // since QEMU 1.7
	LazyRefcounts   bool   `json:"lazy-refcounts,omitempty"`   // since QEMU 1.7
	Corrupt         bool   `json:"corrupt,omitempty"`          // since QEMU 2.2
	RefcountBits    int    `json:"refcount-bits,omitempty"`    // since QEMU 2.3
	CompressionType string `json:"compression-type,omitempty"` // since QEMU 5.1
	ExtendedL2      bool   `json:"extended-l2,omitempty"`      // since QEMU 5.2
}

type InfoFormatSpecificDataVmdk

type InfoFormatSpecificDataVmdk struct {
	CreateType string                             `json:"create-type,omitempty"` // since QEMU 1.7
	CID        int                                `json:"cid,omitempty"`         // since QEMU 1.7
	ParentCID  int                                `json:"parent-cid,omitempty"`  // since QEMU 1.7
	Extents    []InfoFormatSpecificDataVmdkExtent `json:"extents,omitempty"`     // since QEMU 1.7
}

type InfoFormatSpecificDataVmdkExtent

type InfoFormatSpecificDataVmdkExtent struct {
	Filename    string `json:"filename,omitempty"`     // since QEMU 1.7
	Format      string `json:"format,omitempty"`       // since QEMU 1.7
	VSize       int64  `json:"virtual-size,omitempty"` // since QEMU 1.7
	ClusterSize int    `json:"cluster-size,omitempty"` // since QEMU 1.7
}