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netpol-sso.yaml admits only executor pods to LLDAP 17170, KeyCape 8080 and Authelia 9091 (never LDAP 3890); test_netpol.py pins it. Prepared, not applied. README reflects T13. Live reads: OpenBao open to all namespaces; approval-engine and audit-core need pod-scoped rules (requested: hub messages 39a3bffa, deea5bf8). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Assistant: claude-code Assistant-Model: opus Assistant-Process: 5502@bnt-lap001 Assistant-Session: 68b3b02f-5d0f-4e71-8421-796f62e50196
58 lines
3.1 KiB
Markdown
58 lines
3.1 KiB
Markdown
# Bounded executor (NK-WP-0056)
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Runs one founder-approved Bounded Execution Admission (`canon/standards/bounded-execution-admission_v0.1.md`)
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exactly once. Founder decision 6d1adce9: net-kingdom writes the executor; `rapp-bounded-executor` deploys it as one
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Job per admission in `sso`.
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`executor.py` is the core runner (T11):
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- **preflight, no effect:**
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- the admission is valid (BEA-1..14);
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- the executed files match their pins;
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- the trust states hold;
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- every operation and check is known;
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- the window is open and longer than the wall-time budget;
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- the approval-engine approval binds this admission's digest, names this executor as actor and was approved
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only by listed HUMAN approvers at aal2. The name-to-subject map is configured; no guessing.
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- **consume once:** `request_digest` = admission digest, `decision_id` = run id. An unclear outcome is resolved by
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reading the approval back, never by a second consume.
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- **custody:** emit `execution.run.started` to audit-core. If the event can't be stored, the run stops.
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- **steps:** in plan order, one consumer at a time. Checks run after every mutating step, after their settle time.
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The kill switch and the budget are checked between steps.
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- **failure:**
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- A failed check, an exhausted budget or the kill switch reverts in reverse order.
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- Each revert must pass its own checks.
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- A clean revert may retry within `attempts`.
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- An outcome that can't be determined stops without guessing.
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- A failed revert stops and alerts.
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- **receipt:** one `execution.attribution.receipt` per run, with PDP `not-evaluated` in the pilot. It never holds a
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value that an operation handled.
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Operations, checks, the approval carrier, the trust oracle, the audit sink, alerts and clocks are injected.
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`operations.py` (T12) holds the pilot's real operations:
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- OpenBao KV v2 with CAS;
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- LLDAP self-rotation;
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- ExternalSecret force-sync and its status;
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- rollout restart, where a rollout that never becomes ready is a definite failure and is reverted;
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- the synthetic journey check.
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An operation signals a known-bad outcome with `definite_failure`, and the runner reverts. Any other error stops
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without guessing.
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`synthetic_pilot.py` runs a rotation and a deliberate revert on the T08 stack plus OpenBao:
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`uv run bounded-executor/synthetic_pilot.py`.
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`cli.py` (T13) is the Job's entry point: one admission, one approval id, a non-secret config. Exit codes: `0`
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completed, `3` reverted, `4` refused before any effect, `5` stopped, unknown or failed revert, `6` consumed but not in
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custody. `Containerfile` builds the image, which `.forgejo/workflows/bounded-executor-image.yaml` publishes by digest.
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Deployment is in `rapp-bounded-executor`, which pins the digest and renders one ConfigMap and Job per admission
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(`make run`, founder-run). That package also holds the ServiceAccount and Role, copied from
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`sso-mfa/k8s/bounded-executor/rbac.yaml`, and the executor's egress-only NetworkPolicy. The receiving side in `sso` is
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`allow-bounded-executor-to-*` in `sso-mfa/k8s/network-policies/netpol-sso.yaml`.
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```bash
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python3 -m pytest bounded-executor/tests # or: make bounded-executor-test
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```
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