forked from TrueCloudLab/distribution
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
|
package testutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/docker/distribution"
|
||
|
|
"github.com/docker/distribution/context"
|
||
|
|
"github.com/docker/distribution/digest"
|
||
|
|
"github.com/docker/distribution/manifest"
|
||
|
|
"github.com/docker/distribution/manifest/manifestlist"
|
||
|
|
"github.com/docker/distribution/manifest/schema1"
|
||
|
|
"github.com/docker/distribution/manifest/schema2"
|
||
|
|
"github.com/docker/libtrust"
|
||
|
|
)
|
||
|
|
|
||
|
|
// MakeManifestList constructs a manifest list out of a list of manifest digests
|
||
|
|
func MakeManifestList(blobstatter distribution.BlobStatter, manifestDigests []digest.Digest) (*manifestlist.DeserializedManifestList, error) {
|
||
|
|
ctx := context.Background()
|
||
|
|
|
||
|
|
var manifestDescriptors []manifestlist.ManifestDescriptor
|
||
|
|
for _, manifestDigest := range manifestDigests {
|
||
|
|
descriptor, err := blobstatter.Stat(ctx, manifestDigest)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
platformSpec := manifestlist.PlatformSpec{
|
||
|
|
Architecture: "atari2600",
|
||
|
|
OS: "CP/M",
|
||
|
|
Variant: "ternary",
|
||
|
|
Features: []string{"VLIW", "superscalaroutoforderdevnull"},
|
||
|
|
}
|
||
|
|
manifestDescriptor := manifestlist.ManifestDescriptor{
|
||
|
|
Descriptor: descriptor,
|
||
|
|
Platform: platformSpec,
|
||
|
|
}
|
||
|
|
manifestDescriptors = append(manifestDescriptors, manifestDescriptor)
|
||
|
|
}
|
||
|
|
|
||
|
|
return manifestlist.FromDescriptors(manifestDescriptors)
|
||
|
|
}
|
||
|
|
|
||
|
|
// MakeSchema1Manifest constructs a schema 1 manifest from a given list of digests and returns
|
||
|
|
// the digest of the manifest
|
||
|
|
func MakeSchema1Manifest(digests []digest.Digest) (distribution.Manifest, error) {
|
||
|
|
manifest := schema1.Manifest{
|
||
|
|
Versioned: manifest.Versioned{
|
||
|
|
SchemaVersion: 1,
|
||
|
|
},
|
||
|
|
Name: "who",
|
||
|
|
Tag: "cares",
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, digest := range digests {
|
||
|
|
manifest.FSLayers = append(manifest.FSLayers, schema1.FSLayer{BlobSum: digest})
|
||
|
|
manifest.History = append(manifest.History, schema1.History{V1Compatibility: ""})
|
||
|
|
}
|
||
|
|
|
||
|
|
pk, err := libtrust.GenerateECP256PrivateKey()
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("unexpected error generating private key: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
signedManifest, err := schema1.Sign(&manifest, pk)
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("error signing manifest: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return signedManifest, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// MakeSchema2Manifest constructs a schema 2 manifest from a given list of digests and returns
|
||
|
|
// the digest of the manifest
|
||
|
|
func MakeSchema2Manifest(repository distribution.Repository, digests []digest.Digest) (distribution.Manifest, error) {
|
||
|
|
ctx := context.Background()
|
||
|
|
blobStore := repository.Blobs(ctx)
|
||
|
|
builder := schema2.NewManifestBuilder(blobStore, []byte{})
|
||
|
|
for _, digest := range digests {
|
||
|
|
builder.AppendReference(distribution.Descriptor{Digest: digest})
|
||
|
|
}
|
||
|
|
|
||
|
|
manifest, err := builder.Build(ctx)
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("unexpected error generating manifest: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return manifest, nil
|
||
|
|
}
|