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imagetools: keep arm variant

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2019-05-06 16:24:04 -07:00
parent 7339f85248
commit 9b57f9e872
1 changed files with 8 additions and 9 deletions
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17
util/imagetools/create.go
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@@ -8,6 +8,7 @@ import (
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/platforms"
"github.com/docker/distribution/reference"
"github.com/opencontainers/go-digest"
"github.com/opencontainers/image-spec/specs-go"
@@ -47,14 +48,11 @@ func (r *Resolver) Combine(ctx context.Context, in string, descs []ocispec.Descr
switch mt {
case images.MediaTypeDockerSchema2Manifest, ocispec.MediaTypeImageManifest:
if descs[i].Platform == nil {
cfg, err := r.loadConfig(ctx, in, dt)
p, err := r.loadPlatform(ctx, in, dt)
if err != nil {
return err
}
descs[i].Platform = &ocispec.Platform{
OS: cfg.OS,
Architecture: cfg.Architecture,
}
descs[i].Platform = p
}
case images.MediaTypeDockerSchema1Manifest:
return errors.Errorf("schema1 manifests are not allowed in manifest lists")
@@ -168,7 +166,7 @@ func (r *Resolver) Push(ctx context.Context, ref reference.Named, desc ocispec.D
return err
}
func (r *Resolver) loadConfig(ctx context.Context, in string, dt []byte) (*ocispec.Image, error) {
func (r *Resolver) loadPlatform(ctx context.Context, in string, dt []byte) (*ocispec.Platform, error) {
var manifest ocispec.Manifest
if err := json.Unmarshal(dt, &manifest); err != nil {
return nil, errors.WithStack(err)
@@ -179,12 +177,13 @@ func (r *Resolver) loadConfig(ctx context.Context, in string, dt []byte) (*ocisp
return nil, err
}
var img ocispec.Image
if err := json.Unmarshal(dt, &img); err != nil {
var p ocispec.Platform
if err := json.Unmarshal(dt, &p); err != nil {
return nil, errors.WithStack(err)
}
return &img, nil
p = platforms.Normalize(p)
return &p, nil
}
func detectMediaType(dt []byte) (string, error) {