lego-monitoring

Simple system monitoring service. Sends alerts in Telegram and/or reports status to Healthchecks. Currently supports monitoring:

• CPU/RAM/network usage
• temperature readings
• UPS events
• vulnix readings (NixOS only)

Setup

NixOS

Only flake-based setups are supported.

Include the module in your flake.nix:

{
  inputs = {
    # ... your other inputs ...
    lego-monitoring = {
      url = "git+https://gitlab.altau.su/lego/lego-monitoring.git";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    nixpkgs,
    lego-monitoring,
    ...
  }: {
    # change `yourhostname` to your actual hostname
    nixosConfigurations.yourhostname = nixpkgs.lib.nixosSystem {
      # change to your system:
      system = "x86_64-linux";
      modules = [
        lego-monitoring.nixosModules.default
        ./configuration.nix
        # ... your other modules ...
      ];
    };
  };
}

See docs/nixos-options.md for available configuration options.

Non-NixOS

Requires uv, systemd.

cd /opt
git clone https://gitlab.altau.su/lego/lego-monitoring.git
cd lego-monitoring
uv sync
cp config.example.json config.json

Edit config.json to suit your usage scenario. The default configuration only sends alerts on service's start and stop. You may refer to the NixOS option documentation, as its options are the same, except JSON uses snake_case instead of lowerCamelCase, and enable NixOS options just make a config section present or absent in JSON.

Then enable and start the service:

ln -s /opt/lego-monitoring/lego-monitoring.service /etc/systemd/system/lego-monitoring.service
systemctl enable --now lego-monitoring

UPS monitoring

See docs/ups.md for instructions.