novox/mesh-controller
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A base the registry already holds is not pulled from upstream again

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A base is named by digest, and a digest the mesh's registry holds under the module's repository
is the same bytes whatever upstream would say. Asked on every build, the public hub's anonymous
pull limit was reached on the first merge that rebuilt a whole catalogue, and every module whose
base lives there failed on a copy it did not need.
This commit is contained in:
jschoubben
2026-09-28 04:48:32 +02:00
parent 60be9c5360
commit 3756bb3460
2 changed files with 44 additions and 0 deletions
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internal/builder/mirror.go
+14
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@@ -180,6 +180,20 @@ func (r Registry) MirrorImage(ctx context.Context, from, repository string) (str
if err != nil {
return "", err
}
// **Already held is already mirrored.** A base is named by digest, and a digest this registry
// holds under the module's repository is the same bytes whatever upstream would say — so
// upstream is not asked. Asked every build, the public hub's anonymous pull limit was reached
// on the first merge that rebuilt a whole catalogue (2026-09-28), and every module whose base
// lives there failed on a copy it did not need.
if strings.HasPrefix(where.reference, "sha256:") {
held, err := r.has(ctx, "http://"+r.Address+"/v2/"+repository+"/manifests/"+where.reference)
if err != nil {
return "", fmt.Errorf("asking %s whether it holds %s: %w", r.Address, from, err)
}
if held {
return r.Address + "/" + repository + "@" + where.reference, nil
}
}
src := &source{client: r.client()}
digest, err := r.copyManifest(ctx, src, where, where.reference, repository)
if err != nil {