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feat(orchestrator): Phase 3.2 — wire Quadlet path behind feature flag

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prod_orchestrator::install_fresh now branches on the new
Config::use_quadlet_backends flag (default false):

* off (today's production behavior) — unchanged: runtime.create_container
  + start_container, container parented under archipelago.service's
  cgroup, FM3 cascade SIGKILL on every archipelago restart.
* on  — install_via_quadlet renders the manifest as a Quadlet unit via
  QuadletUnit::from_manifest, writes it atomically into
  ~/.config/containers/systemd/, calls daemon-reload, and starts the
  generated <name>.service. Container ends up under user.slice — no
  more cgroup parented under archipelago, so archipelago restarts
  don't touch the container's lifetime.

Default off so this commit is structurally safe to ship: nothing
changes at runtime until an operator opts in. Flip the default once
tests/lifecycle/run-20x.sh has gone green against the new path on
.228 + .198 (the v1.7.52 release gate).

Plumbing:
* config.rs — `use_quadlet_backends: bool` w/ Default false
* prod_orchestrator.rs — flag stored on the struct, threaded through
  new(), with set_use_quadlet_backends(bool) test setter
* prod_orchestrator.rs — install_via_quadlet helper
* dropped the Phase-3.1 #[allow(dead_code)] markers on from_manifest /
  parse_memory_mib / RestartPolicy::OnFailure now that the call path
  exists; if a future revert removes the wiring, the warnings come back.

Tests: 624 passing, cargo check clean (0 warnings). Existing companion
behavior unaffected — render_skips_backend_directives_when_default
still passes byte-equal to before quadlet.rs grew the new fields.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
archipelago
2026-05-01 17:22:10 -04:00
parent 9becafafd3
commit 5b2e02bd43
4 changed files with 74 additions and 16 deletions
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2
tests/lifecycle/TESTING.md
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@@ -96,7 +96,7 @@ Goal: minimum-viable container subsystem.
| `core/container/src/bitcoin_simulator.rs` | 219 | 0 | -219 | ○ couples with dev_orchestrator |
| `core/container/src/port_manager.rs` | 175 | 0 | -175 | ○ couples with dev_orchestrator |
| `core/archipelago/src/api/rpc/package/install.rs::install_bitcoincoin_rpc_repair` | ~150 | 0 | -150 | ◐ pending fold into orchestrator pre-start |
| imperative `install_fresh` in prod_orchestrator | ~120 | 0 | -120 | ○ pending Phase 3.2 Quadlet renderer |
| imperative `install_fresh` in prod_orchestrator | ~120 | 0 | -120 | ◐ Phase 3.2 wired behind `use_quadlet_backends` flag (default off); flip default after 20× green |
**Today: -270 LoC committed. Outstanding deletes possible: ~1,616 LoC** (if Phase 3 ships fully + dev_mode resolved).