NixOS/system/services/telemetry/loki.nix

69 lines
1.8 KiB
Nix

{ config, lib, ... }:
let
cfg = config.profile.services.telemetry.loki;
inherit (lib) mkIf;
in
{
config = mkIf cfg.enable {
services.loki =
let
dataDir = config.services.loki.dataDir;
in
{
enable = true;
configuration = {
# https://grafana.com/docs/loki/latest/configure/examples/configuration-examples/
auth_enabled = false; # Loki will not be exposed to the public internet
server = {
http_listen_address = "0.0.0.0";
http_listen_port = 3100;
grpc_listen_port = 9095;
};
common = {
path_prefix = dataDir;
replication_factor = 1;
ring = {
instance_addr = "127.0.0.1";
kvstore.store = "inmemory";
};
};
schema_config = {
configs = [
{
from = "2024-08-29";
store = "tsdb";
object_store = "filesystem";
schema = "v13";
index = {
prefix = "index_";
period = "24h";
};
}
];
};
storage_config = {
filesystem = {
directory = "${dataDir}/chunks";
};
};
};
};
# https://grafana.com/docs/grafana/latest/datasources/loki/
services.grafana.provision.datasources.settings.datasources = [
{
name = "Loki";
type = "loki";
access = "proxy";
url = "http://${config.services.loki.configuration.server.http_listen_address}:${toString config.services.loki.configuration.server.http_listen_port}";
jsonData = {
timeout = 60;
maxLines = 1000;
};
}
];
};
}