nixfleet/modules/promtail/default.nix
Andrea Ciceri 7f52ad42cd
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Enable Prometheus/Grafana/Loki
2024-07-21 18:18:24 +02:00

54 lines
1.1 KiB
Nix

{
pkgs,
lib,
config,
...
}: let
conf = {
server = {
http_listen_port = 28183;
grpc_listen_port = 0;
};
clients = [
{
url = "http://sisko.fleet:${builtins.toString config.services.loki.configuration.server.http_listen_port}/loki/api/v1/push";
}
];
positions = {
filename = "/tmp/positions.yaml";
};
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";
}
];
}
];
};
configFile = pkgs.writeTextFile {
name = "promtail.yaml";
text = lib.generators.toYAML {} conf;
};
in {
systemd.services.promtail = {
description = "Promtail service for Loki";
wantedBy = ["multi-user.target"];
serviceConfig = {
ExecStart = ''
${pkgs.grafana-loki}/bin/promtail --config.file ${configFile}
'';
};
};
}