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approval-engine/deploy/README.md
tegwick 119359c33d Reconcile the release record; guard the image pin with tests 
The publication at b51d174 pinned the manifest and appended a note, but left
three documents asserting the opposite. docs/image-scan-2026-09-06.md said "It
has not been pushed" in its Outcome block at the top while recording the
successful push at the bottom; its "Release status" section still said no
release digest existed and the manifest carried REPLACE_WITH_RELEASE_DIGEST;
and deploy/README.md still instructed an operator to replace a placeholder that
is now a real digest -- an instruction to undo the pin.

This is the derived-artifact staleness this repo argued for a rule about in
v0.8 §12 and then produced in its own release evidence, in the file another
repository would read to confirm what shipped. Superseded sections are now
marked in place with what replaced them rather than deleted, since they record
why the base changed and why the release was held. The scan doc carries a
status marker naming which parts state current state, including that a clean
scan is point-in-time and ages as advisories are published.

The workplan gains the publication entry it never got, and a re-check of T03's
full acceptance: a published image reads like a finished task, but the digest
was one of five requirements. Nothing is deployed -- the namespace is empty and
no secrets exist -- and production serve refuses to start without authenticated
audit delivery, so a rollout today would fail closed and prove nothing. T03
stays wait on T01's registrations and the audit credential.

Also corrects an earlier caution in the workplan that the digest was "a local
image id, not a release digest". That was wrong: with the containerd/OCI store
the build id is the manifest digest, and the registry resolves it.

tests/test_deploy_manifest.py holds the pin mechanically instead of by review:
both image references exist, are digest-pinned rather than tagged, are
identical, and no placeholder remains. The identity check matters because the
init container migrates the database the server then serves -- two different
digests there is a split-brain migration. Verified the guard fails on the drift
it targets, not only that it passes today. 116 tests pass.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PM5HnEAhokxdfcPqBNpT7D

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 715850@bnt-lap001
Assistant-Session: eb557e93-7cb1-45d0-9e57-7d15b3edc60e
2026-09-07 09:04:34 +02:00

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Deployment gates

The checked-in StatefulSet is a reviewed release input, not evidence of a live deployment. SQLite is intentionally limited to one replica, ReadWriteOnce storage, and an OnDelete update: never start two writers against a copied database.

Image: pinned, published, not rolled out. Both image: references already carry the immutable release digest sha256:73333f5ceb55e48192e3095cb2e2a741cdc6ff0be2f18128301072b4a6b6eb9d (registry tag 0.1.0, OCI index; linux/amd64 manifest sha256:2064d537…), pinned at b51d174. There is no placeholder left to replace. Both references MUST stay identical and MUST stay digests — a tag here would let the init container and the server run different code against one database.

Gates 1 and 2 below are the outstanding ones; nothing is deployed today.

Before applying:

  1. Register the exact approval-engine audience, caller scopes, and service clients in KeyCape. Confirm the in-cluster JWKS endpoint and configured issuer match the manifest.
  2. Register approval-engine as an audit-core sender, add matching audit-core ingress, and provision approval-engine-audit through the credential owner. The Secret must contain key audit-token; never commit its value.
  3. For a new release only: make image-release (build, scan, push — the scan gate fails the build on any CRITICAL or HIGH, so a failing scan blocks the push), then pin both image: references to the returned registry digest and run make deploy-dry-run. The current digest is already pinned; skip to 4 unless you are cutting a new image.
  4. Take a verified backup. Roll out by deleting the sole pod, then prove readiness, restart persistence, outbox drain, heartbeat, and restore.
  5. Enable a caller namespace only by applying label railiance.io/approval-engine-client=true; JWT scope checks remain the inner boundary.

The audit-core receiver-side registration, cadence findings, and accepted-count reconciliation are tracked by AUDIT-WP-0009-T04/T06/T09 and cannot be closed from this repository.