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imagetools: support cross-repo mounting 

Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell 2022-05-25 12:10:07 +01:00
parent 4ecca34a42
commit f1a9f91323
1 changed files with 13 additions and 0 deletions
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13
util/imagetools/create.go
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@ -4,6 +4,8 @@ import (
"bytes"
"context"
"encoding/json"
"net/url"
"strings"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs"
@ -183,6 +185,17 @@ func (r *Resolver) Copy(ctx context.Context, src *Source, dest reference.Named)
return err
}
refspec := reference.TrimNamed(src.Ref).String()
u, err := url.Parse("dummy://" + refspec)
if err != nil {
return err
}
source, repo := u.Hostname(), strings.TrimPrefix(u.Path, "/")
if src.Desc.Annotations == nil {
src.Desc.Annotations = make(map[string]string)
}
src.Desc.Annotations["containerd.io/distribution.source."+source] = repo
err = contentutil.CopyChain(ctx, contentutil.FromPusher(p), contentutil.FromFetcher(f), src.Desc)
if err != nil {
return err