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Add structured error logging to OCI handlers

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Every 500 response in the OCI package silently discarded the actual
error, making production debugging impossible. Add slog.Error before
each 500 response with the error and relevant context (repo, digest,
tag, uuid). Add slog.Info for state-mutating successes (manifest push,
blob upload complete, deletions).

Logger is injected into the OCI Handler via constructor, falling back
to slog.Default() if nil.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kyle Isom
2026-03-26 12:47:44 -07:00
parent 61b8c2fcef
commit ef39152f4e
15 changed files with 86 additions and 39 deletions
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10
internal/oci/blob_test.go
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@@ -15,7 +15,7 @@ func TestBlobGet(t *testing.T) {
blobs := newFakeBlobs()
blobs.data["sha256:layerdigest"] = []byte("layer-content-bytes")
h := NewHandler(fdb, blobs, allowAll(), nil)
h := NewHandler(fdb, blobs, allowAll(), nil, nil)
router := testRouter(h)
req := authedRequest("GET", "/v2/myrepo/blobs/sha256:layerdigest", nil)
@@ -47,7 +47,7 @@ func TestBlobHead(t *testing.T) {
blobs := newFakeBlobs()
blobs.data["sha256:layerdigest"] = []byte("layer-content-bytes")
h := NewHandler(fdb, blobs, allowAll(), nil)
h := NewHandler(fdb, blobs, allowAll(), nil, nil)
router := testRouter(h)
req := authedRequest("HEAD", "/v2/myrepo/blobs/sha256:layerdigest", nil)
@@ -79,7 +79,7 @@ func TestBlobGetNotInRepo(t *testing.T) {
blobs := newFakeBlobs()
blobs.data["sha256:orphan"] = []byte("data")
h := NewHandler(fdb, blobs, allowAll(), nil)
h := NewHandler(fdb, blobs, allowAll(), nil, nil)
router := testRouter(h)
req := authedRequest("GET", "/v2/myrepo/blobs/sha256:orphan", nil)
@@ -103,7 +103,7 @@ func TestBlobGetRepoNotFound(t *testing.T) {
fdb := newFakeDB()
// No repos.
h := NewHandler(fdb, newFakeBlobs(), allowAll(), nil)
h := NewHandler(fdb, newFakeBlobs(), allowAll(), nil, nil)
router := testRouter(h)
req := authedRequest("GET", "/v2/nosuchrepo/blobs/sha256:abc", nil)
@@ -131,7 +131,7 @@ func TestBlobGetMultiSegmentRepo(t *testing.T) {
blobs := newFakeBlobs()
blobs.data["sha256:layerdigest"] = []byte("data")
h := NewHandler(fdb, blobs, allowAll(), nil)
h := NewHandler(fdb, blobs, allowAll(), nil, nil)
router := testRouter(h)
req := authedRequest("GET", "/v2/org/team/app/blobs/sha256:layerdigest", nil)