Commit Graph
8 Commits
Author SHA1 Message Date
stroblme 4925472f91 Give the work queue its own Redis root, and pin what the suite runs as
The queue shared the `pipeline:` prefix with flow state, so `RedisState.clear()`
could DEL the queue stream and `keys()` enumerated queue entries — only callers
filtering `__`-prefixed names kept it safe. It moves to `queue:` without a
migration: whatever is in flight at the upgrade is dropped once, documented in
DEPLOY.md rather than papered over.

Alongside it: `pool_pre_ping`, so a connection idle across a Postgres restart
costs a round trip instead of a failed request; the test suite pins
ENVIRONMENT=local and DOMAIN=localhost itself rather than inheriting a
deployment's .env; and `depth` leaves the queue stats, where it reported the
capped journal length as if it were a backlog.

ALERTS_FILE and PANELS_FILE now point at /data. They defaulted to a path on no
volume, so alert routing and every wall-panel pairing were living in the
container's writable layer and vanishing on each rebuild. Carrying the existing
files across is a manual step; DEPLOY.md has it.

development.md was still the upstream template — compose.override.yml,
localhost.tiangolo.com, `docker compose watch` as the dev flow — and said
nothing about the Playwright suite. Rewritten against what the Makefiles
actually do. deployment.md was template text too, duplicating the root
DEPLOY.md, and is gone.
2026-08-21 10:10:57 +02:00
stroblme 285b5cfc6f Compose: keep the portal enrolment on the data volume
CLOUD_CONFIG_FILE defaulted to a path relative to the working directory, so the
enrolment — this installation's credential and the portal key it pinned — sat
inside the container and was lost on every rebuild, silently detaching a
connected installation. It belongs beside the OAuth key and the flow secrets,
for exactly the same reason.
2026-08-19 22:13:07 +02:00
Melvin Strobl eb8f703396 analytics
Signed-off-by: Melvin Strobl <lc3267@kit.edu>
2026-08-18 13:17:07 +02:00
root 2a224ac94e Supervise the engine's host: deep health, loop watchdog, one worker
The API image ran four uvicorn workers, and each one built a full flow
controller — four sets of MQTT subscriptions, cron ticks and webhooks.
Runs one worker now; scaling out is the worker split, not more processes.

Adds a loop-lag watchdog and a deep /utils/health/ that fails when the
event loop is wedged or Redis is unreachable, the two failure modes a
process-alive check never sees. Autoheal restarts on that signal, behind
a compose profile because it mounts the Docker socket.

The private user-seeding routes now need an explicit opt-in rather than
just ENVIRONMENT=local, so a deployment that kept the default never
exposes them.
2026-08-16 07:14:28 +02:00
Melvin Strobl 6d2e25c2ca Let agents drive the flow API over MCP
The engine now speaks MCP at /mcp, with a built-in OAuth 2.1 authorization
server in front of it: an agent registers itself, sends a human to the browser
to approve it, and exchanges the resulting code for a token. PKCE is required,
codes are single-use and stored only as hashes, the browser is redirected to
the URI that was registered rather than the one asked for, and refresh tokens
rotate so that replaying a spent one revokes the whole line.

Twenty tools cover reading, building, publishing and running flows, and each
one calls the same REST endpoint the dashboard calls, in-process, carrying the
caller's own token. That keeps one description of what a flow is and what may
be done to it — validation, the draft/publish split, the version check — and
means an agent can do nothing a person could not do in the browser.

Agent tokens are RS256 with a keypair of their own rather than the secret that
signs browser sessions, so deleting the key withdraws every agent without
logging anyone out, and deps.decode_token grew the branch that trusting a
second issuer will need when the hosted login arrives.
2026-08-16 00:22:41 +02:00
Melvin Strobl 52fe9c4c0b Keep flow state across a restart, and tighten the flow typing
The engine fell back to MemoryState because there was no Redis to talk
to, so every value was lost on restart. Adds a redis service with
append-only persistence, reachable only from the backend, and points
REDIS_HOST at it.

state.py and pipeline.py leave the strict-mypy exclusion. redis-py types
its calls as sync/async unions; the casts narrow that at the points of
use rather than switching to redis.asyncio, which would make a
deliberately synchronous backend asynchronous. nodes.py stays excluded.

The .env.example CORS entry belongs with the CI work that follows.
2026-08-15 21:19:21 +02:00
Melvin Strobl 1d6f39a5de Add the flow editor: canvas, node panel and live values
The browser half of M3. Flows open on a full-bleed canvas with their chrome
floating over it: flow tabs top, dock bottom, node settings in a panel on the
right that leaves the graph visible and running behind it.

- Connections are derived, not stored. A node declares the messages it reads
  and publishes; every matching pair draws an edge, so two producers of one
  message converge on their consumer. Dragging output to input is shorthand
  for pointing that input at the producer's message, and asks before it
  replaces an existing one.
- Values land on the edges as they flow, over a websocket that feeds a store
  outside React, so a value arriving re-renders its own chip and nothing else.
  Clicking an edge shows the last payload and when it arrived.
- Node source is edited in Monaco, loaded only when a panel opens and themed
  from the design tokens.
- Edits autosave; identical documents are skipped server-side, so a quiet
  canvas writes nothing.
- Validation from the API shows on the node it belongs to and is summarised in
  the dock, where each entry pans to its node.
- Works on a phone: touch-connect, 44px dock targets, and the node panel
  becomes a full-screen sheet.

Two new tokens (--status-success, --font-mono) are mirrored in the website repo
and recorded in DESIGN-GUIDELINES.md.
2026-08-15 18:10:50 +02:00
Melvin Strobl e1a783c120 Restructure docker into layered compose files, add a Makefile
Move compose.yml/compose.override.yml/compose.traefik.yml into docker/ and
split into the explicit prod -> dev -> local layering; compose.override.yml
had to be renamed because docker compose auto-loads that filename, which
defeats the layering.

- external network traefik-public -> proxy (shared with the website stack)
- frontend host dashboard.${DOMAIN} -> app.${DOMAIN}
- stable container_names, security_opt no-new-privileges on prod services
- adminer bound to 127.0.0.1 in dev instead of all interfaces
- .env.example replaces the committed .env
- pre-commit biome hook ran npm in a bun repo
2026-08-09 15:21:34 +02:00