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imagetools: copy manifests between repositories

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Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2022-05-18 11:52:28 +01:00
parent d3412f1039
commit 37ca8631f9
2 changed files with 33 additions and 4 deletions
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28
util/imagetools/create.go
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@ -10,6 +10,7 @@ import (
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/platforms"
"github.com/docker/distribution/reference"
"github.com/moby/buildkit/util/contentutil"
"github.com/opencontainers/go-digest"
"github.com/opencontainers/image-spec/specs-go"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
@ -169,6 +170,33 @@ func (r *Resolver) Push(ctx context.Context, ref reference.Named, desc ocispec.D
return err
}
func (r *Resolver) Copy(ctx context.Context, srcs []*Source, dest reference.Named) error {
dest = reference.TagNameOnly(dest)
p, err := r.resolver().Pusher(ctx, dest.String())
if err != nil {
return err
}
for _, src := range srcs {
if reference.Domain(src.Ref) == reference.Domain(dest) && reference.Path(src.Ref) == reference.Path(dest) {
continue
}
srcRef := reference.TagNameOnly(src.Ref)
f, err := r.resolver().Fetcher(ctx, srcRef.String())
if err != nil {
return err
}
err = contentutil.CopyChain(ctx, contentutil.FromPusher(p), contentutil.FromFetcher(f), src.Desc)
if err != nil {
return err
}
}
return nil
}
func (r *Resolver) loadPlatform(ctx context.Context, p2 *ocispec.Platform, in string, dt []byte) error {
var manifest ocispec.Manifest
if err := json.Unmarshal(dt, &manifest); err != nil {