4658089e21
126 plikow (md, yaml, sh, py) odwolywalo sie do sciezek sprzed migracji.
15 markdown-linkow [..](..) -> policzona sciezka WZGLEDNA wobec pliku
odsylajacego (wczesniej czesc z nich byla repo-root-relative i nie
rozwiazywala sie z katalogu, w ktorym lezala)
200 odwolan tekstowych (backticki, proza, yaml, importy w kodzie)
-> nowa sciezka repo-root-relative, zgodnie z konwencja repo
5 linkow rodzenstwa (gole nazwy plikow, np. "](DEPLOY.md)") — dzialaly
tylko w starym katalogu; przeliczone recznie
Objete m.in.: CLAUDE.md (scripts/onboard/README.md -> kb/runbooks/
node-onboarding-tool.md, docs/backlog.md -> kb/phases/backlog.md),
README.md, .claude/skills/, 20 session logow, kod jobow.
Ostatnie 5 odwolan pochodzi z tresci wciagnietej rebasem z origin/master
(session log 2026-07-31, override node-agenta na SOLARII, dwie pozycje
backlogu) — wskazywaly na docs/incidents/, docs/kb/modules/ i
services/narty27/README.md sprzed migracji.
Dodany wzajemny link miedzy kb/services/control-plane.md (stub kodu)
a kb/subsystems/control-plane.md (opis, deprecated) — dwa dokumenty o tym
samym systemie, latwe do pomylenia.
Weryfikacja na 790 plikach: 0 odwolan do starych sciezek,
0 martwych linkow markdown. Lint OKF: 190/190 plikow ZGODNE.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
91 lines
4.2 KiB
Markdown
91 lines
4.2 KiB
Markdown
---
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okf: "0.1"
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type: subsystem
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visibility: private
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status: deprecated
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updated: 2026-05-27
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links:
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- ../services/control-plane.md
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- ../runbooks/control-plane-deploy-recovery.md
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superseded_by: "przepisany tor redeploy, commity da151fc/79bfe8c 2026-08-03"
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---
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# VPS Control Plane
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The VPS Control Plane is the orchestration brain of the homelab platform. It runs on the Hetzner VPS (Tailscale IP: `100.95.58.48`) and provides observability, automated reconciliation, and a web-based operator interface.
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## Architecture
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The control plane consists of four core services running as a Docker Compose stack under `services/control-plane/`:
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| Container | Role |
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|-----------|------|
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| `control-plane-observer` | Synthesizes world state from events in `/opt/homelab/events/` |
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| `control-plane-supervisor` | Detects drift between desired state (`hosts/*/services.yaml`) and actual state (`world/services.json`); writes pending actions |
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| `control-plane-executor` | Executes approved actions from `/opt/homelab/actions/approved/` |
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| `control-plane-ui` | Web interface for system monitoring and action approval; serves port 18180 |
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All services use **filesystem-first** semantics with `/opt/homelab/` as the data exchange layer. All four run with `network_mode: host` and as UID 1000 (`homelab` user).
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## Supervisor Behavior
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### Desired State
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Loaded from `hosts/*/services.yaml` each reconcile cycle. Services with `monitor: false` are silently skipped — use this for services without a node-agent (e.g. `homeassistant` on `chelsty-ha`).
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### Drift Types
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- `missing_service` — service is in desired state but absent from `services.json`
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- `unhealthy_service` — service exists in `services.json` but `status != healthy`
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### Action Types
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| Trigger | Action type | Risk |
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|---------|-------------|------|
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| `containers_not_running`, `mqtt_unreachable` | `container_restart` | low |
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| Any other / unknown | `redeploy` | guarded |
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| Node `disk_pressure: high` | `disk_cleanup` | guarded |
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### Action ID Stability
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Action IDs are deterministic: `redeploy-{node}-{service}` or `container-restart-{node}-{service}`. The same drift always produces the same filename, making reconcile truly idempotent across supervisor restarts.
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### Auto-Cancel
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Pending `redeploy` and `container_restart` actions are automatically moved to `cancelled/` when:
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- **`drift_resolved_auto`** — the service becomes `healthy` in actual state
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- **`service_removed_from_desired_state`** — the service was removed from `services.yaml` or marked `monitor: false`
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Only `pending` actions are auto-cancelled. Approved/running actions have been committed to by the operator and are never cancelled automatically.
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### Node Name Resolution
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The supervisor supports a `NODE_ALIAS_MAP` environment variable (JSON string) to map event/world-state node names to canonical topology names:
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```bash
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NODE_ALIAS_MAP='{"node-2": "chelsty-infra", "node-1": "piha"}'
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```
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## Action Approval Workflow
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```
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Supervisor writes → /opt/homelab/actions/pending/<id>.json
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→ Operator UI (port 18180) or Telegram Bot notifies
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→ Operator clicks Approve
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→ /opt/homelab/actions/approved/<id>.json
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→ Executor executes → completed / failed
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```
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Possible action states: `pending → approved → running → completed / failed / rejected`
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Auto-cancel path: `pending → cancelled/`
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## Integration
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### piha agent-system webui (port 18180 on piha)
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The `agent-system-runtime-materializer` on piha polls the VPS control-plane API every 10 seconds and mirrors world state to piha's local `/opt/homelab/world/`. This ensures the **"Copy for AI"** button in the piha webui (`agent-system-webui`) reflects the same clean state as the VPS API.
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Override: `hosts/piha/runtime/agent-system/docker-compose.override.yml` — sets `CONTROL_PLANE_URL=http://100.95.58.48:18180`.
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### Nginx Proxy Manager
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The operator UI at port 18180 can be proxied via NPM for external access. No WebSocket support required.
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### Log Locations
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- Container logs: `docker compose logs -f` (from `services/control-plane/`)
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- Runtime events: `/opt/homelab/events/YYYY-MM-DD/`
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- World state: `/opt/homelab/world/`
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- Action queue: `/opt/homelab/actions/{pending,approved,running,completed,failed,cancelled}/`
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