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op: push-container stores metadata on fs, under /dagger/

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Signed-off-by: Sam Alba <sam.alba@gmail.com>
This commit is contained in:
Sam Alba 2021-04-16 16:18:33 -07:00
parent 8f844366d2
commit 6818659c14
1 changed files with 24 additions and 1 deletions
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25
dagger/pipeline.go
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@ -627,7 +627,7 @@ func (p *Pipeline) PushContainer(ctx context.Context, op *compiler.Value, st llb
// Add the default tag "latest" to a reference if it only has a repo name.
ref = reference.TagNameOnly(ref)
_, err = p.s.Export(ctx, p.State(), &p.image, bk.ExportEntry{
resp, err := p.s.Export(ctx, p.State(), &p.image, bk.ExportEntry{
Type: bk.ExporterImage,
Attrs: map[string]string{
"name": ref.String(),
@ -635,6 +635,29 @@ func (p *Pipeline) PushContainer(ctx context.Context, op *compiler.Value, st llb
},
})
if err != nil {
return st, err
}
if digest, ok := resp.ExporterResponse["containerimage.digest"]; ok {
imageRef := fmt.Sprintf(
"%s@%s",
resp.ExporterResponse["image.name"],
digest,
)
return st.File(
llb.Mkdir("/dagger", fs.FileMode(0755)),
llb.WithCustomName(p.vertexNamef("Mkdir /dagger")),
).File(
llb.Mkfile("/dagger/image_digest", fs.FileMode(0644), []byte(digest)),
llb.WithCustomName(p.vertexNamef("Storing image digest to /dagger/image_digest")),
).File(
llb.Mkfile("/dagger/image_ref", fs.FileMode(0644), []byte(imageRef)),
llb.WithCustomName(p.vertexNamef("Storing image ref to /dagger/image_ref")),
), nil
}
return st, err
}