nix-config/nixos/modules/common/monitoring.nix

47 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }:
{
# Prometheus Node Exporter for hardware metrics
services.prometheus.exporters = {
node = {
enable = true;
enabledCollectors = [ "systemd" ];
port = 9100;
};
};
# Promtail to ship logs to Loki
services.promtail = {
enable = true;
configuration = {
server = {
http_listen_port = 28183;
grpc_listen_port = 0;
};
positions = {
filename = "/tmp/positions.yaml";
};
clients = [{
# Use the internal DNS name for the Loki ingress
url = "http://loki.lab.depeuter.dev/loki/api/v1/push";
}];
scrape_configs = [{
job_name = "journal";
journal = {
max_age = "12h";
labels = {
job = "systemd-journal";
host = config.networking.hostName;
};
};
relabel_configs = [{
source_labels = [ "__journal__systemd_unit" ];
target_label = "unit";
}];
}];
};
};
# Open firewall ports for node-exporter so Prometheus can scrape it
networking.firewall.allowedTCPPorts = [ 9100 ];
}