/*

* Copyright (c) 2020. Ant Group. All rights reserved.

*

* SPDX-License-Identifier: Apache-2.0

*/

package label

const (

CRIImageRef = "containerd.io/snapshot/cri.image-ref"

CRIImageLayers = "containerd.io/snapshot/cri.image-layers"

CRILayerDigest = "containerd.io/snapshot/cri.layer-digest"

CRIManifestDigest = "containerd.io/snapshot/cri.manifest-digest"

// Marker for remote snapshotter to handle the pull request.

// During image pull, the containerd client calls Prepare API with the label containerd.io/snapshot.ref.

// This is a containerd-defined label which contains ChainID that targets a committed snapshot that the

// client is trying to prepare.

TargetSnapshotRef = "containerd.io/snapshot.ref"

// A bool flag to mark the blob as a Nydus data blob, set by image builders.

NydusDataLayer = "containerd.io/snapshot/nydus-blob"

// A bool flag to mark the blob as a nydus bootstrap, set by image builders.

NydusMetaLayer = "containerd.io/snapshot/nydus-bootstrap"

// A bool flag to mark the blob as a nydus ref metadata, set by image builders.

NydusRefLayer = "containerd.io/snapshot/nydus-ref"

// Annotation containing secret to pull images from registry, set by the snapshotter.

NydusImagePullSecret = "containerd.io/snapshot/pullsecret"

// Annotation containing username to pull images from registry, set by the snapshotter.

NydusImagePullUsername = "containerd.io/snapshot/pullusername"

// A bool flag to enable integrity verification of meta data blob

NydusSignature = "containerd.io/snapshot/nydus-signature"

// A bool flag to mark the blob as a estargz data blob, set by the snapshotter.

StargzLayer = "containerd.io/snapshot/stargz"

// volatileOpt is a key of an optional label to each snapshot.

// If this optional label of a snapshot is specified, when mounted to rootdir

// this snapshot will include volatile option

OverlayfsVolatileOpt = "containerd.io/snapshot/overlay.volatile"

)