tegwick
0d62ac501d
docs/review-optimize-checklist.md: six checks (naming, TTL/scoping,
redundancy, compaction, ease of use, posture), applied for real to the
rein-openweights plan's section 4 -- including a genuinely useful
finding (credentials.py already expects this exact path/delivery shape,
zero code changes needed to consume it).
docs/executive-summary-format.md: six fixed fields, no bao syntax, no
restating earlier sections, explicit approve/reject/revise decision.
Rendered for real into the plan's section 5 -- ready for an actual
decision.
src/ops_mason/{plan,executor,audit}.py: the phase-4 build executor for
credential_type openbao-approle-kv. Refuses to run against anything but
an approved plan -- verified the refusal never even calls subprocess.run.
role_id/secret_id (the AppRole's own access credential, not the
downstream secret) land as 0600 files, never logged; the HCL policy
goes over stdin, never argv; the audit trail is metadata-only. 12 tests,
all mocked at the bao boundary (no live OpenBao access from this
session).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
155 lines
8.5 KiB
Markdown
155 lines
8.5 KiB
Markdown
---
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id: rein-openweights-openrouter-approle
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demand_source: glas-harness/workplans/GLAS-WP-0002-T02
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consumer_repo: rein-openweights
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credential_type: openbao-approle-kv
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status: reviewed
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approved_by: null
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approved_at: null
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created: "2026-07-27"
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updated: "2026-07-27"
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---
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# Construction plan: rein-openweights OpenBao AppRole
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## 1. Demand
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`rein-openweights` (the OpenRouter-driven rein in the glas-harness family)
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needs to authenticate to OpenBao **non-interactively** — no operator OIDC
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session, no human in the loop at run time — to fetch its OpenRouter API
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key when it runs unattended (e.g. via a future scheduled trigger, or a
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glas-harness gateway invocation with no operator present). This was
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scoped as `glas-harness/GLAS-WP-0002-T02` ("Option B" — see that
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workplan's discussion) and is currently blocked: the only credential path
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exercised so far is the `OPENROUTER_API_KEY` env-var short-circuit in
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`rein_openweights/credentials.py`; the AppRole/vault branch
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(`_acquire_token`, `bao kv get`) is real code, live-verifiable, but has
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never actually talked to OpenBao.
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## 2. Existing-structure survey
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**Checked:** `ops-warden/registry/routing/catalog.yaml` (readable directly
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— no OpenBao session needed for this). **Not checked:** live `bao policy
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list` / `bao auth list` / `bao secrets list` — this session has no valid
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OpenBao token (`bao token lookup` returns `403`). Whoever executes phase 4
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must re-verify against live state before applying anything below; this
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survey is current as of what's on disk, not as of live OpenBao ACL state.
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**Relevant existing catalog entry: `openrouter-llm-connect`**
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(`ops-warden/registry/routing/catalog.yaml:283`) — an OpenRouter key
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already exists at
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`platform/workloads/activity-core/llm-connect/llm-connect-provider-secrets`
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(field `OPENROUTER_API_KEY`), gated by policy
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`workload-kv-read-llm-connect-provider-secrets`, `auth_method: caller's
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own OpenBao token (operator OIDC via key-cape, or a token carrying
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[that policy])`, marked `risk: high` ("provider API key with spend impact").
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`rein-aharness`'s own mail-triage/brief-daily already reuse this exact
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lane (see `binky-control/integrations/executor-worker-secrets.md`, Lane 1
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— "REUSE (verified)").
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**Does this existing lane satisfy the demand? Partially, by design, not
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fully — reuse considered and declined:**
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- The existing lane's `auth_method` is interactive-caller-shaped (OIDC /
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"a token carrying the policy") — it was never scoped for a bare AppRole
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login the way `agent-harness-binky-mail`'s Lane 3 was. Binding a new
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AppRole to the *existing* policy is mechanically possible (Option A
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from the original discussion) but would give `rein-openweights`
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standing, non-interactive access to a policy explicitly flagged
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`risk: high` for spend impact, shared with `activity-core`'s broader
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usage — a wider blast radius than a single rein needs.
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- **Recommendation: do not reuse.** Build a dedicated, narrowly-scoped
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AppRole + KV path for `rein-openweights` specifically (matches
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`credentials.py`'s existing default `reins/rein-openweights/openrouter`
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path already in the code) — same reasoning `agent-harness-binky-mail`
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used for its own dedicated lane rather than widening an existing one.
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This keeps a leak scoped to exactly one consumer, one credential.
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## 3. Proposed changes
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| # | Action | Object | Reuse-vs-new rationale |
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|---|---|---|---|
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| 1 | create | KV v2 secret path `reins/rein-openweights/openrouter` (field `api_key`) | New, narrowly scoped — matches `credentials.py`'s existing default path; declined reuse of the shared `activity-core` path (see §2) |
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| 2 | create | Policy `workload-kv-read-rein-openweights-openrouter` — read-only, scoped to exactly path #1 | New — mirrors the shape of `workload-kv-read-llm-connect-provider-secrets` but scoped to one path, not shared |
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| 3 | create | AppRole `rein-openweights`, bound to policy #2 | New — mirrors `agent-harness-binky-mail`'s AppRole shape: `token_ttl=15m`, `token_max_ttl=30m`, bounded `token_num_uses`, `secret_id_ttl` per current posture (build-phase; see `ops-warden/wiki/WorkloadSecurityPosture.md`) |
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| 4 | deliver | `role_id`/`secret_id` files, `0600`, to wherever the live verification runs (workstation or a future Railiance deployment) | New — matches `agent-harness-binky-mail`'s delivery pattern (`~/.local/agent-harness/approle-binky-mail`), analogous path for this consumer |
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| 5 | propose | ops-warden catalog entry `rein-openweights-openrouter-approle` — pointer-only, `warden_executes: false`, `status: draft` | New — no existing entry covers this AppRole; `openrouter-llm-connect` entry stays as-is, untouched |
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No tear-down in this plan — no existing lane is being retired or
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compacted; the existing `openrouter-llm-connect` lane is explicitly kept
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as-is for its current interactive-caller consumers.
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## 4. Review notes (phase 2)
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- **Naming convention check:** follows `<consumer>-<credential-purpose>`
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shape used by `agent-harness-binky-mail` — proposed
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`rein-openweights-openrouter-approle` for the AppRole/catalog id,
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`workload-kv-read-rein-openweights-openrouter` for the policy (matches
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the `workload-kv-read-<path-slug>` convention already visible in the
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existing catalog).
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- **TTL/scoping check:** `token_ttl=15m`/`token_max_ttl=30m`/bounded
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`token_num_uses` matches `agent-harness-binky-mail` exactly — no reason
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to diverge, this consumer's access pattern (one-shot credential fetch
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per run) is identical in shape.
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- **Redundancy check:** confirmed no second existing AppRole or policy
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already scoped to `reins/rein-openweights/*` — this is genuinely new
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structure, not a duplicate.
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- **Compaction opportunity:** none identified — nothing existing becomes
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redundant once this lands; the shared `activity-core` lane keeps its
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own consumers.
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- **Ease of use for the consumer:** matches directly — `credentials.py`
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already reads `REIN_OPENWEIGHTS_APPROLE_DIR` (defaults to a
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`role_id`/`secret_id` file pair) and a KV path override via
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`REIN_OPENWEIGHTS_OPENROUTER_KV_PATH` (defaulting to exactly
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`reins/rein-openweights/openrouter`, field `api_key`) — this plan's
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path #1 and delivery #4 need **zero code changes** in
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`rein-openweights` to consume; the code was already written expecting
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this exact shape.
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- **Posture check:** build phase (one founder-operator, pre-revenue) per
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`ops-warden/wiki/WorkloadSecurityPosture.md` — `agent-harness-binky-mail`
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used `secret_id_ttl=0` (no expiry) at this same posture; carrying that
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forward here rather than adding a rotation schedule neither
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`agent-harness-binky-mail` nor current posture requires. **Explicit
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assumption, not a silent default** — flagged again in the executive
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summary below for the approval decision to confirm or override.
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## 5. Executive summary (phase 3)
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**One-line ask:** create a narrowly-scoped, non-interactive credential
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lane so `rein-openweights` can fetch its own OpenRouter API key at run
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time without an operator present.
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**Who/what gets access:** a new OpenBao AppRole named `rein-openweights`.
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Nothing else — no existing role, human, or service gains anything new.
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**To what:** read-only access to exactly one KV path,
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`reins/rein-openweights/openrouter` (field `api_key`) — a path that does
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not exist today and holds nothing else. The AppRole cannot read the
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existing shared `activity-core`/`llm-connect` secret or any other path.
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**For how long:** each login is a 15-minute token, renewable up to a
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30-minute cap, bounded number of uses per token — matches the existing
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`agent-harness-binky-mail` lane exactly. The AppRole credential itself
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(`role_id`/`secret_id`) does not expire on a schedule at current
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(build-phase) posture, same choice already made for
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`agent-harness-binky-mail`.
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**Blast radius if the credential leaks:** whoever holds a valid
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`role_id`/`secret_id` pair can mint a short-lived token that reads one
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OpenRouter API key — nothing else in OpenBao. Actual damage from the
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OpenRouter key itself is real but bounded (API spend on that key, no
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data-store or infra access) and independent of this plan (same exposure
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`openrouter-llm-connect`'s existing consumers already carry).
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**Cost to reverse:** delete one AppRole, one policy, one KV path — three
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`bao` commands, no other lane or consumer affected. Fully isolated
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blast/reversal radius by construction (that was the point of declining
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reuse in §2).
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**Decision needed:** approve as proposed, reject, or send back to phase 1
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with feedback (e.g. different TTL, different path name, or "actually
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reuse the shared lane instead").
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## 6. Build result (phase 4)
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<!-- Appended once MASON-WP-0001-T04/T05 execute this plan after approval. -->
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