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aci-sim/CLAUDE.md
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taodengandClaude Fable 5 1d29a2f289 feat: aci-sim query helper + onboarding fixes (v0.17.0)
Clean-room README test found a newcomer hits failures in the first 5 min —
all doc/script, not sim bugs. Fixes:
- scripts/run.sh: use ./.venv/bin/python (was bare `python` → ModuleNotFoundError:
  uvicorn unless the venv was activated; now matches sandbox-up.sh).
- NEW `aci-sim query CLASS [--dn/--host/--json]`: stdlib aaaLogin→cookie→query
  helper so newcomers don't hand-roll auth cookies (the old README smoke test
  `curl class/fabricNode.json` had no auth → returned an APIC error envelope).
- README: 60-second quickstart + embedded topology screenshot (docs/images/
  topology.png), port-mode leads with `aci-sim run`, smoke test uses `aci-sim
  query`, install notes git+https is package-only.

900 tests pass (+12 for aci-sim query).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-05 22:51:55 +10:00

1.2 KiB

aci-sim — project notes for Claude

A faithful REST simulator of a 2-site Cisco ACI fabric (per-site APIC + one NDO/MSO plane), driven entirely by topology.yaml. Python 3.11+, FastAPI + uvicorn + Pydantic v2, in-memory MIT object store, no external dependencies. Full architecture/contract detail: README.md, docs/CONTRACT.md (the authoritative ACI/NDO REST behavior contract), docs/DESIGN.md (module map + design decisions + phase-by-phase build history).

Two run modes: port mode (scripts/run.sh, shared bind + distinct ports 8443/8444/8445) and sandbox mode (scripts/sandbox-up.sh, one loopback IP per device on :443, needed for NDO auto-discovery clients that hardcode port 443). Primary public use case: running Ansible cisco.aci playbooks against it directly — see examples/ansible/.

Test suite: .venv/bin/python -m pytest -q (900 tests, must stay green). Lint: ruff check . (non-blocking in CI — pre-existing baseline, see .github/workflows/ci.yml).

Version lives in pyproject.toml; changes are logged in CHANGELOG.md (newest entry at the top, Keep a Changelog format). The ACI/NDO object catalog is documented in docs/CONTRACT.md §6; environment variables in README.md §6.