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Retry the Harbor manifest copy instead of a probe for it
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The companion SHA tag step failed on the last build even though the image had
already been pushed and deployed. Harbor's vulnerability policy blocks manifest
reads while Trivy's scan is Running, and `imagetools create` copies the manifest,
so Harbor answered 412 Precondition Failed.

Two faults compounded. The loop gated on `imagetools inspect`, but a probe passing
is no guarantee the copy will be allowed. And `create` sat outside the condition,
so under the default `bash -e` its first failure aborted the step before `exit 0`
or any further attempt: the log shows one waiting line, then the error, with 58 of
60 retries unused.

Retry the real operation instead, inside the condition so a blocked copy is a
reason to wait rather than fatal. The trade-off is that a permanently failing copy
now takes the full ten minutes to report instead of failing fast; the previous
behaviour failed fast but wrongly, on a transient block.

Also records that only the primary tag matters for rollout, since the Flux image
policy matches the timestamp tag, so a failure in this step costs the audit tag
rather than the deployment.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
magnus
2026-10-11 09:56:26 +02:00
co-authored by Claude Opus 5
parent ac01388117
commit 7ea25ee4fd
3 changed files with 23 additions and 2 deletions
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AGENTS.md
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@@ -35,6 +35,12 @@ The image does not set `BTCDATA_URL`; deployments must provide it. `BUILD_SHA` i
runner, then publishes immutable linux/amd64 images to
`harbor.pmagnus.cloud/btcprice/btcprice`. It embeds the short Git SHA as `APP_VERSION`.
The build pushes two tags: `main-<timestamp>`, then a companion `main-<timestamp>-<sha>` for
audit. Harbor's vulnerability policy blocks manifest reads while Trivy is still scanning, so
the companion tag is retried until the scan clears. Only the first tag matters for deployment —
the Flux image policy matches `^main-<14 digits>$` — so a failure in that last step costs the
audit tag and nothing else.
Flux image automation updates the manifests in the separate `magnus/deploy` repository and Flux
reconciles k3s. CI has no Kubernetes credentials. Production runs two replicas—one on hostinger and
one on citadel—and is served at https://btcprice.k8s.pmagnus.cloud through ingress-nginx and