ryan/systant
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Your 'Systant. A system daemon on Linux that communicates via MQTT to get diagnostic info from, and send commands to, a Linux computer. Written in Elixir because fuck you, and written mostly by Claude because fuck everything.
16 Commits 1 Branch 0 Tags 980 KiB
Elixir 88.6%
HTML 5.3%
Nix 3.4%
JavaScript 2.3%
Just 0.3%
c7949285d1
Go to file
ryan c7949285d1 Add Home Assistant custom integration for Systant 
- Create basic integration structure with manifest.json
- Add config flow for easy setup via UI
- Implement MQTT-based host discovery and sensor creation
- Auto-discover Systant hosts via systant/+/stats topic
- Create device entities with last_seen sensor for each host
- Add Python tooling to flake.nix for HA development

Integration features:
- Automatic host discovery via MQTT
- Device representation for each monitored host
- Extensible sensor architecture
- Proper Home Assistant integration patterns
2025-08-02 20:19:57 -07:00
home-assistant-integration/custom_components/systant Add Home Assistant custom integration for Systant 2025-08-02 20:19:57 -07:00
nix Fix COOKIE issue by setting RELEASE_COOKIE environment variable 2025-08-02 20:14:24 -07:00
server Create dummy COOKIE file in Nix package to avoid runtime error 2025-08-02 20:09:57 -07:00
.gitignore Fix Nix build by removing accidentally committed build artifacts 2025-08-02 19:56:47 -07:00
CLAUDE.md Clean up Nix configuration and remove old files 2025-08-02 19:41:40 -07:00
flake.lock Clean up Nix configuration and remove old files 2025-08-02 19:41:40 -07:00
flake.nix Add Home Assistant custom integration for Systant 2025-08-02 20:19:57 -07:00
README.md Rename project from system-stats-daemon to systant 2025-08-02 17:06:03 -07:00

README.md

Systant

An Elixir application that runs as a systemd daemon to:

  1. Publish system stats to MQTT every 30 seconds
  2. Listen for commands over MQTT and log them to syslog

Configuration

Edit config/config.exs to configure MQTT connection:

config :systant, Systant.MqttClient,
  host: "localhost",
  port: 1883,
  client_id: "systant",
  username: nil,
  password: nil,
  stats_topic: "system/stats",
  command_topic: "system/commands",
  publish_interval: 30_000

Building

mix deps.get
mix compile

Running

# Development
mix run --no-halt

# Production release
MIX_ENV=prod mix release
_build/prod/rel/systant/bin/systant start

Systemd Installation

  1. Build production release
  2. Copy binary to /usr/local/bin/
  3. Copy systant.service to /etc/systemd/system/
  4. Enable and start:
sudo systemctl enable systant
sudo systemctl start systant

Features

  • Publishes "Hello from systant" stats every 30 seconds to system/stats topic
  • Listens on system/commands topic and logs received messages
  • Configurable MQTT connection settings
  • Runs as systemd daemon with auto-restart
  • Logs to system journal