infrastructure/modules/dgn-node-monitoring.nix

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{ config, lib, ... }:
let
inherit (lib)
mkEnableOption
mkIf
mkOption
types
;
cfg = config.dgn-node-monitoring;
in
{
options.dgn-node-monitoring = {
enable = mkEnableOption "DGNum nodes monitoring (needs a valid netbird tunnel)" // {
default = true;
};
port = mkOption {
type = types.port;
default = 9002;
description = lib.mdDoc ''
Port to listen on.
'';
};
};
config = mkIf cfg.enable {
services.prometheus = {
exporters = {
node = {
enable = true;
enabledCollectors = [
"processes"
"systemd"
];
inherit (cfg) port;
listenAddress = "0.0.0.0";
};
};
};
networking.firewall.interfaces.wt0.allowedTCPPorts = [ cfg.port ];
};
}