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parking_solution/komodo
julian 84f00db48b
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feat(backup): admin-tunable retention + BACKUP_KEY as a Komodo secret
Retention (keep-last / keep-daily-days) is operational policy the on-site admin
should tune, not a server env var requiring a redeploy -- same reasoning that moved
the target directory to the UI.

- Migration 0017: site_config.backup_keep_last + backup_keep_daily_days (nullable;
  null = code default 7 / 30 per field).
- BackupService reads retention fresh each run; status() exposes keepLast +
  keepDailyDays. DEFAULT_BACKUP_RETENTION is now a pure code default (env reads gone).
- PUT /api/backup/config accepts keepLast / keepDailyDays (non-negative int, or null
  to reset to default; 400 on negative).
- UI: two retention fields on the Backup config card; one Save covers target +
  retention. i18n sq + en.

BACKUP_KEY wired into Komodo:
- komodo/resources.toml: BACKUP_KEY=[[park_buzi_backup_key]] (per-booth secret,
  alongside JWT / signing keys).
- komodo/.env.komodo.example: documents it as the ONLY backup env var -- escrow it
  offsite alongside EVENT_SIGNING_KEY (recovery needs both); target + retention are
  admin-chosen in the UI / DB, not env. Server .env.example trimmed to just BACKUP_KEY.

Also carries the small in-progress setup-intro i18n copy trim.

Tests: 218 server tests green, incl. retention persist / reset-to-default / reject-
negative and the updated status shape. Migration applies cleanly (needed a
statement-breakpoint between the two ALTERs). Wiki backup-recovery updated.

Claude-Session: https://claude.ai/code/session_01Xcm6ikLgGoCxxHrxtjkk5V
2026-06-29 12:52:18 +02:00
..

komodo/ — fleet deployment as code

Infra-as-code for the Komodo Core control plane that deploys the parking appliance to the booth fleet over the NetBird mesh. See wiki/decisions/fleet-deployment-komodo.md for the rationale, threat-model analysis, and the three settled choices (many/growing fleet · deploys are manual + pinned · secrets are Komodo-managed, per-booth).

This directory does not change how images are built or how the app runs — it's only the control plane. The booth still runs the same docker-compose.yml + docker-compose.prod.yml (container-deployment); Komodo just drives them remotely instead of someone SSH-ing in to run booth.sh.

Files

  • resources.toml — the Komodo resource definitions (Servers, Stacks, optional Builders/ Procedures), synced into Core via a ResourceSync. This is the reviewable, version- controlled source of truth for which booth runs what.
  • .env.komodo.example — the variables a Stack expects, documenting what comes from Core's secret store (per-booth JWT_SECRET / EVENT_SIGNING_KEY) vs. plain Stack env.

How Core consumes this (one-time)

In Komodo Core, create a ResourceSync pointing at this repo + path (komodo/resources.toml), on the branch you manage from (e.g. main). Core reads the file and reconciles Servers/Stacks to match. Thereafter, a PR to this directory + a sync is how you change the fleet — no clicking.

Komodo's TOML schema evolves across releases. Treat resources.toml as a starting sketch: resources.toml mirrors the working park-buzi Stack (built by hand in the Core UI, then exported to TOML — so field names match the running Komodo version, v2.2). Import it into the sync Unmanaged first and review the diff; it should be ~empty against the live Stack.

How servers get created — NOT here

There is no [[server]] block in resources.toml. Servers are created by the Periphery agent onboarding outbound: in Core, create a one-time Onboarding Key (Settings → Onboarding), then install Periphery on the booth passing --onboarding-key + --core-address (Core's reverse-proxy URL, reached over the NetBird mesh) + --connect-as=<booth-name>. The agent self-registers, generates its own auto-rotating key pair (private key never leaves the booth), and connects outbound — the booth opens no inbound port. The sync owns only the Stack, which references the server by the name it onboarded as (server = "park-buzi"). See wiki/decisions/fleet-deployment-komodo.md.

Adding booth N

Copy the [[stack]] block, change name, server (its onboarded name), and the per-booth secret references ([[park_<site>_jwt_secret]], [[park_<site>_event_signing_key]]). Create those secrets in Core's store first.

Hard rules encoded here (do not relax without updating the decision page)

  1. No deploy webhook on a booth Stack. Deploys are a human action; pin TAG=dev-<sha> before a production booth goes live. A moving :dev on a production booth is the non-determinism we rejected. (TAG=dev here is fine while staging.)
  2. Onboarding, outbound, mesh-only. Servers self-register via an onboarding key; Periphery connects outbound to Core's mesh URL and exposes no inbound port. Never a LAN/WAN address.
  3. Secrets are per-booth and unique. EVENT_SIGNING_KEY signs the anti-fraud ledger — one leak must taint one booth, never the fleet. Reference Core secrets by name; never inline a real value in this file (it's in git).
  4. Volumes preserved. The Stack must never run compose down -v — that would wipe the parking-data volume (the signed ledger). Komodo's "destroy" is gated for the same reason.