flex-auth/railiance/README.md
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Add Railiance staged-promotion overlay for flex-auth
FLEX-WP-0011 T01/T02: railiance.app.v1 contract, independently pinned
Helm values for tenant-engine and user-engine, isolated canary cycle
(deploy/observe/promote/rollback), and emergency kubectl path retained.
T03 waits on the custodian drain-plan row.
2026-08-16 01:32:31 +02:00

3.6 KiB

flex-auth Railiance overlay

Canonical staged-promotion contract for flex-auth (RAIL-BS-WP-0006, FLEX-WP-0011). The recovered deploy/*.yaml files remain as an emergency kubectl path; this overlay is the sanctioned shape.

Layout

Path Role
railiance/app.toml railiance.app.v1 contract
charts/flex-auth/ One Deployment + Service + NetworkPolicy per release
values/tenant-engine.yaml Production pin for flex-auth-tenant-engine
values/user-engine.yaml Production pin for flex-auth-user-engine
values/stage2-canary.yaml Isolated canary flex-auth-canary (no consumer ingress)
values/stage3-production.yaml Stage 3 values for that same isolated canary release
tests/stage1.sh Local render of every values file

The two production consumers stay independently pinned and independently rollable. Do not collapse them into one Helm release. The official bin/railiance deploy|observe|promote|rollback cycle operates on the isolated canary so it cannot move a production pin by accident.

Stage 1

tests/stage1.sh
# or
/home/worsch/railiance-bootstrap/bin/railiance run . --pretty

Stage 2 / Stage 3 (isolated canary)

RAILIANCE=/home/worsch/railiance-bootstrap/bin/railiance
$RAILIANCE deploy --stage 2 . --plan
$RAILIANCE deploy --stage 2 . --server-dry-run --pretty
$RAILIANCE deploy --stage 2 . --apply --approval-id <state-hub-id>
$RAILIANCE observe --stage 2 . --live --pretty
$RAILIANCE promote . --plan
$RAILIANCE promote . --apply --approval-id <state-hub-id>
$RAILIANCE rollback . --apply --approval-id <state-hub-id> --revision <helm-rev>

The canary Service is flex-auth-canary.flex-auth.svc.cluster.local:8080. Production consumers keep calling their own Service names.

Rolling a production pin

Policy is baked into the image. Do not build images on a workstation. .forgejo/workflows/image.yaml publishes :latest and :main-<short-sha>; deploy by digest.

# 1. Edit the digest in values/<consumer>.yaml
# 2. Record the previous digest as the rollback target
# 3. Apply only that release
helm upgrade --install flex-auth-<consumer> charts/flex-auth \
  --namespace flex-auth -f values/<consumer>.yaml --wait --timeout 2m

# 4. Prove the new policy, not just that the pod started
kubectl -n flex-auth port-forward svc/flex-auth-<consumer> 19099:8080
curl -s -X POST http://127.0.0.1:19099/v1/check \
  -H 'Content-Type: application/json' \
  -d @examples/<consumer>/<request that exercises the change>.json

Emergency kubectl path (no Helm history): kubectl apply -f deploy/flex-auth-<consumer>.yaml.

Rollback

Preferred: helm rollback flex-auth-<consumer> <revision> -n flex-auth --wait.

If Helm history is missing: kubectl -n flex-auth rollout undo deploy/flex-auth-<consumer>, or re-apply the last-known-good digest in deploy/README.md.

Deployment Last-known-good digest Policy state
flex-auth-tenant-engine sha256:c25fc34a6cd7e64d955f8723ec70e176a583d5ae71d76280c4e2d89fba0fe0aa live 2026-08-16 — four-action policy; lifecycle actions deny unknown_action
flex-auth-tenant-engine (FLEX-WP-0010 image, scaled to 0) sha256:9320df394a642eff24da8af4a0ee8886a7bb78b0f14d8ee1deeb30ea8eeeaba7 seven-action policy, previously live 2026-08-11
flex-auth-user-engine sha256:1f5290376dc5fcf456dc7a785e394d8b90949dabecd1d3e856f38557149bb5f4 FLEX-WP-0009-T04, nine fixtures, live 2026-08-16
flex-auth-user-engine (previous) sha256:a31961c45215aa6baf3bc748c6741ab703c2c8325e61aa7983a355026195e51b FLEX-WP-0009-T03, six fixtures