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Merge pull request #8717 from djdongjin/dedup-manifest-platform

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Dedup config platform helper
This commit is contained in:
Phil Estes 2023-06-22 15:12:22 -04:00 committed by GitHub
commit 733070b96a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 40 deletions
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18
image.go
View File

@ -464,29 +464,13 @@ func (i *image) getLayers(ctx context.Context, manifest ocispec.Manifest) ([]roo
return layers, nil
}
func (i *image) getManifestPlatform(ctx context.Context, manifest ocispec.Manifest) (ocispec.Platform, error) {
cs := i.ContentStore()
p, err := content.ReadBlob(ctx, cs, manifest.Config)
if err != nil {
return ocispec.Platform{}, err
}
// Technically, this should be ocispec.Image, but we only need the
// ocispec.Platform that is embedded in the image struct.
var imagePlatform ocispec.Platform
if err := json.Unmarshal(p, &imagePlatform); err != nil {
return ocispec.Platform{}, err
}
return platforms.Normalize(imagePlatform), nil
}
func (i *image) checkSnapshotterSupport(ctx context.Context, snapshotterName string, manifest ocispec.Manifest) error {
snapshotterPlatformMatcher, err := i.client.GetSnapshotterSupportedPlatforms(ctx, snapshotterName)
if err != nil {
return err
}
manifestPlatform, err := i.getManifestPlatform(ctx, manifest)
manifestPlatform, err := images.ConfigPlatform(ctx, i.ContentStore(), manifest.Config)
if err != nil {
return err
}

3
images/archive/exporter.go
View File

@ -439,9 +439,6 @@ func manifestsRecord(ctx context.Context, store content.Provider, manifests map[
if err := json.Unmarshal(p, &manifest); err != nil {
return tarRecord{}, err
}
if err := manifest.Config.Digest.Validate(); err != nil {
return tarRecord{}, fmt.Errorf("invalid manifest %q: %w", m.manifest.Digest, err)
}
dgst := manifest.Config.Digest
if err := dgst.Validate(); err != nil {

40
images/image.go
View File

@ -169,19 +169,11 @@ func Manifest(ctx context.Context, provider content.Provider, image ocispec.Desc
}
if desc.Platform == nil {
p, err := content.ReadBlob(ctx, provider, manifest.Config)
imagePlatform, err := ConfigPlatform(ctx, provider, manifest.Config)
if err != nil {
return nil, err
}
// Technically, this should be ocispec.Image, but we only need the
// ocispec.Platform that is embedded in the image struct.
var imagePlatform ocispec.Platform
if err := json.Unmarshal(p, &imagePlatform); err != nil {
return nil, err
}
if !platform.Match(platforms.Normalize(imagePlatform)) {
if !platform.Match(imagePlatform) {
return nil, nil
}
@ -276,19 +268,11 @@ func Platforms(ctx context.Context, provider content.Provider, image ocispec.Des
switch desc.MediaType {
case MediaTypeDockerSchema2Config, ocispec.MediaTypeImageConfig:
p, err := content.ReadBlob(ctx, provider, desc)
imagePlatform, err := ConfigPlatform(ctx, provider, desc)
if err != nil {
return nil, err
}
// Technically, this should be ocispec.Image, but we only need the
// ocispec.Platform that is embedded in the image struct.
var imagePlatform ocispec.Platform
if err := json.Unmarshal(p, &imagePlatform); err != nil {
return nil, err
}
platformSpecs = append(platformSpecs, platforms.Normalize(imagePlatform))
platformSpecs = append(platformSpecs, imagePlatform)
}
return nil, nil
}), ChildrenHandler(provider)), image)
@ -441,3 +425,19 @@ func RootFS(ctx context.Context, provider content.Provider, configDesc ocispec.D
}
return config.RootFS.DiffIDs, nil
}
// ConfigPlatform returns a normalized platform from an image manifest config.
func ConfigPlatform(ctx context.Context, provider content.Provider, configDesc ocispec.Descriptor) (ocispec.Platform, error) {
p, err := content.ReadBlob(ctx, provider, configDesc)
if err != nil {
return ocispec.Platform{}, err
}
// Technically, this should be ocispec.Image, but we only need the
// ocispec.Platform that is embedded in the image struct.
var imagePlatform ocispec.Platform
if err := json.Unmarshal(p, &imagePlatform); err != nil {
return ocispec.Platform{}, err
}
return platforms.Normalize(imagePlatform), nil
}