flex-auth/examples/secrets-engine
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fix(secrets-engine): v2 adds the tenant rule v1 never had
secrets-engine.catalog-lane.lifecycle v1 contained no reference to
input.tenant — not in well_formed, not in the denial ladder, not in a
test. A rotate on lane:glas-primary under tenant:coulomb returned allow
against the deployed package (decision:066e629bbf0c0924).

Found while answering glas-harness's tenant-alignment request, which had
asked for wrong-tenant denial evidence. There was none to return.

Three covers failed the same way: every one of the 29 fixtures carried
tenant:platform, so the suite could not report on the field; T02's own
gate named "wrong-tenant deny" and was recorded done unmet; and the
engine hashes tenant into request_digest but never compares it. Four
other published packages carry the branch — this one was the outlier.

v2 adds wrong_tenant above wrong_system, three Rego tests and three
fixtures (28/28, 32/32). The absent-tenant test caught a second defect
in the first draft: a bare input.tenant != comparison is undefined on a
missing key, so the branch dropped and the ladder reported the wrong
rung. request_tenant := object.get(input, "tenant", "") fixes it.

v2 supersedes rather than amends v1 because the defect failed open: a
consumer pinned to _VERSION=v1 would keep receiving allows with no
signal the rule beneath the version string had changed. The earlier
dual-control correction stayed at v1 because it denied everything.

Replay envelopes regenerated at v2; both request_digest values are
byte-identical, so secrets-engine's digest join needs no re-pinning.

The sweep this prompted found tenant-engine unscoped on tenant as well —
deployed, and verified allowing tenant:coulomb. Not the same fix: its
request tenant names the target rather than the caller, so a constant
would break it. Recorded and carried by FLEX-WP-0022 rather than patched
unilaterally.

FLEX-WP-0021 closes at T05; the pin still serves v1 until a redeploy.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aQMM1dPXaPiXVn6DwwtLd

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 715613@bnt-lap001
Assistant-Session: fabd95c1-4c9e-4080-8849-8707ae025f80
2026-09-06 20:38:45 +02:00
..
replay fix(secrets-engine): v2 adds the tenant rule v1 never had 2026-09-06 20:38:45 +02:00
check_request_allow_destroy_dual_control.json Publish approval_binding_digest: a claim cannot name the request carrying it 2026-09-06 14:52:33 +02:00
check_request_allow_rotate.json Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
check_request_deny_destroy_without_claim.json Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
check_request_deny_revoke_not_an_action.json Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
check_request_deny_unknown_subject.json Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
check_request_deny_wrong_tenant.json fix(secrets-engine): v2 adds the tenant rule v1 never had 2026-09-06 20:38:45 +02:00
policy_fixtures.yaml fix(secrets-engine): v2 adds the tenant rule v1 never had 2026-09-06 20:38:45 +02:00
policy_package.md fix(secrets-engine): v2 adds the tenant rule v1 never had 2026-09-06 20:38:45 +02:00
protected_system_manifest.yaml Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
README.md fix(secrets-engine): v2 adds the tenant rule v1 never had 2026-09-06 20:38:45 +02:00
registry_snapshot.json Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00
subject_manifest.yaml Publish secrets-engine.catalog-lane.lifecycle v1 (FLEX-WP-0021 T01, T02) 2026-09-06 08:02:52 +02:00

secrets-engine example

Policy package, manifests, and fixtures for secrets-engine's gated catalog-lane operations. Opened by FLEX-DEC-2026-005, carried by FLEX-WP-0021.

File What it is
policy_package.md secrets-engine.catalog-lane.lifecycle v2, allow_ttl: 15m
protected_system_manifest.yaml the secret-catalog-lane resource type and twelve actions
subject_manifest.yaml the single secrets-engine service identity
registry_snapshot.json loadable snapshot combining both manifests
policy_fixtures.yaml 32 fixtures — 11 allows, dual control both ways, and every denial branch
check_request_*.json standalone requests for POST /v1/check

The action vocabulary is secrets-engine's, delivered under FLEX-WP-0021-T01 and recorded in ../../docs/secrets-engine-action-vocabulary.md. Read that before changing any action string here.

Verify

go run ./cmd/flex-auth validate -kind policy -file examples/secrets-engine/policy_package.md
go run ./cmd/flex-auth load-registry -file examples/secrets-engine/registry_snapshot.json

28 Rego tests and 32 fixtures.

Deployed, and the version to pin

FLEX-WP-0021-T04 deployed the flex-auth-secrets-engine pin on 2026-09-06:

Service:  http://flex-auth-secrets-engine.flex-auth.svc.cluster.local:8080
Package:  secrets-engine.catalog-lane.lifecycle
Version:  v2
callerAuth.mode: warn   (not enforced caller authentication)

Ingress admits namespace secrets-engine with pod label app.kubernetes.io/name=secrets-engine and default-denies everything else. A workstation CLI process is not that, and Service DNS is not workstation connectivity — an operator-run consumer needs a decided access path before it can call this pin at all (FLEX-WP-0021-T04's three shapes).

Pin _VERSION to v2, never v1. v1 is deployed and superseded: it had no tenant rule and allowed a foreign tenant. See the correction section in policy_package.md. The pin still serves v1 until the redeploy lands, which is why the version is stated here rather than left to be read off the running service.

SECRETS_ENGINE_AUTHORIZATION_POLICY_PACKAGE / _VERSION remain fallback-free and fail-closed by design; nothing here changes that.