nixos-config/nixos/profiles/services/prometheus/node-exporter.nix

40 lines
1.1 KiB
Nix

# Portions of this file are sourced from
# https://github.com/NickCao/flakes/blob/3b03efb676ea602575c916b2b8bc9d9cd13b0d85/modules/metrics/default.nix
{ config, ... }:
{
sops.secrets."prometheus/metrics" = {
sopsFile = config.sops.secretFiles.get "common.yaml";
restartUnits = [ "caddy.service" ];
};
systemd.services.caddy.serviceConfig = {
EnvironmentFile = [ config.sops.secrets."prometheus/metrics".path ];
};
services.prometheus.exporters.node = {
enable = true;
listenAddress = "127.0.0.1";
port = config.networking.ports.prometheus-node-exporter;
enabledCollectors = [ "systemd" ];
disabledCollectors = [ "arp" ];
};
services.caddy.virtualHosts."${config.networking.fqdn}" = {
extraConfig = with config.services.prometheus.exporters.node; ''
route /metrics {
basic_auth {
prometheus {$PROM_PASSWD}
}
reverse_proxy ${listenAddress}:${toString port}
}
route /caddy {
basic_auth {
prometheus {$PROM_PASSWD}
}
metrics
}
'';
};
}