nixos-config/config/services/promtail.nix

47 lines
1 KiB
Nix

{
config,
pkgs,
lib,
...
}: let
promtail_config = {
server = {
http_listen_port = 28183;
grpc_listen_port = 0;
};
positions = {
filename = "/tmp/positions.yaml";
};
client = {
url = "http://nixos-8gb-fsn1-1.int.chir.rs:3100/loki/api/v1/push";
external_labels.host = config.networking.hostName;
};
scrape_configs = [
{
job_name = "journal";
journal = {
max_age = "12h";
labels.job = "systemd-journal";
};
relabel_configs = [
{
source_labels = ["__journal__systemd_unit"];
target_label = "unit";
}
];
}
];
};
promtail_yml = pkgs.writeText "promtail.yml" (lib.generators.toYAML {} promtail_config);
in {
systemd.services.promtail = {
description = "Promtail service for Loki";
wantedBy = ["multi-user.target"];
serviceConfig = {
ExecStart = ''
${pkgs.grafana-loki}/bin/promtail --config.file ${promtail_yml}
'';
};
};
}