Retracted: v0.5.2 was retagged: 71d70d4e738679154f62e2869e94784558cb9b36 -> fd022b910830015d8665a7b497f47bba1f90dd18

snapshot

package

v0.5.2 Latest Latest Go to latest Published: Nov 9, 2022 License: Apache-2.0 Imports: 24 Imported by: 0

Documentation ¶

Index ¶

Constants
func NewSnapshotter(root string, mode string, opts ...Opt) (snapshots.Snapshotter, error)
type Opt
type OverlayBDBSConfig
type OverlayBDBSConfigLower
type OverlayBDBSConfigUpper
type SnapshotterConfig

Constants ¶

View Source

const (
	// LabelSupportReadWriteMode is used to support writable block device
	// for active snapshotter.
	//
	// By default, multiple active snapshotters can share one block device
	// from parent snapshotter(committed). Like image builder and
	// sandboxed-like container runtime(KataContainer, Firecracker), those
	// cases want to use the block device alone or as writable.
	// There are two ways to provide writable devices:
	//  - 'dir' mark the snapshotter
	//    as wriable block device and mount it on rootfs.
	//  - 'dev' mark the snapshotter
	//    as wriable block device without mount.
	LabelSupportReadWriteMode = "containerd.io/snapshot/overlaybd.writable"

	// LabelLocalOverlayBDPath is used to export the commit file path.
	//
	// NOTE: Only used in image build.
	LabelLocalOverlayBDPath = "containerd.io/snapshot/overlaybd.localcommitpath"
)

interface

Variables ¶

This section is empty.

Functions ¶

func NewSnapshotter ¶

func NewSnapshotter(root string, mode string, opts ...Opt) (snapshots.Snapshotter, error)

NewSnapshotter returns a Snapshotter which uses block device based on overlayFS.

Types ¶

type Opt ¶

type Opt func(config *SnapshotterConfig) error

Opt is an option to configure the snapshotter

type OverlayBDBSConfig ¶

type OverlayBDBSConfig struct {
	RepoBlobURL       string                   `json:"repoBlobUrl"`
	Lowers            []OverlayBDBSConfigLower `json:"lowers"`
	Upper             OverlayBDBSConfigUpper   `json:"upper"`
	ResultFile        string                   `json:"resultFile"`
	AccelerationLayer bool                     `json:"accelerationLayer,omitempty"`
	RecordTracePath   string                   `json:"recordTracePath,omitempty"`
}

OverlayBDBSConfig is the config of overlaybd target.

type OverlayBDBSConfigLower ¶

type OverlayBDBSConfigLower struct {
	File   string `json:"file,omitempty"`
	Digest string `json:"digest,omitempty"`
	Size   int64  `json:"size,omitempty"`
	Dir    string `json:"dir,omitempty"`
}

OverlayBDBSConfigLower

type OverlayBDBSConfigUpper ¶

type OverlayBDBSConfigUpper struct {
	Index string `json:"index,omitempty"`
	Data  string `json:"data,omitempty"`
}

type SnapshotterConfig ¶

type SnapshotterConfig struct {
	// OverlayBDUtilBinDir contains overlaybd-create/overlaybd-commit tools
	// to handle writable device.
	OverlayBDUtilBinDir string `toml:"overlaybd_util_bin_dir" json:"overlaybd_util_bin_dir"`
}

SnapshotterConfig is used to configure the snapshotter instance

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL