1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package specialimage
import (
"github.com/containerd/platforms"
"github.com/distribution/reference"
"github.com/opencontainers/go-digest"
"github.com/opencontainers/image-spec/specs-go"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
type PartialOpts struct {
Stored []ocispec.Platform
Missing []ocispec.Platform
}
// PartialMultiPlatform creates an index with all platforms in storedPlatforms
// and missingPlatforms. However, only the blobs of the storedPlatforms are
// created and stored, while the missingPlatforms are only referenced in the
// index.
func PartialMultiPlatform(dir string, imageRef string, opts PartialOpts) (*ocispec.Index, []ocispec.Descriptor, error) {
ref, err := reference.ParseNormalizedNamed(imageRef)
if err != nil {
return nil, nil, err
}
var descs []ocispec.Descriptor
for _, platform := range opts.Stored {
ps := platforms.FormatAll(platform)
manifestDesc, _, err := oneLayerPlatformManifest(dir, platform, FileInLayer{Path: "bash", Content: []byte("layer-" + ps)})
if err != nil {
return nil, nil, err
}
descs = append(descs, manifestDesc)
}
for _, platform := range opts.Missing {
platformStr := platforms.FormatAll(platform)
dgst := digest.FromBytes([]byte(platformStr))
descs = append(descs, ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageManifest,
Size: 128,
Platform: &platform,
Digest: dgst,
})
}
idx, err := multiPlatformImage(dir, ref, ocispec.Index{
Versioned: specs.Versioned{SchemaVersion: 2},
MediaType: ocispec.MediaTypeImageIndex,
Manifests: descs,
})
return idx, descs, err
}
|
