126 lines
3 KiB
Nix
126 lines
3 KiB
Nix
{
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config,
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lib,
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pkgs,
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flake,
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...
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}:
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{
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# Only expose loki port via wireguard interface
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networking.firewall.interfaces.wg-ssh.allowedTCPPorts = [ 3100 ];
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# source: https://gist.github.com/rickhull/895b0cb38fdd537c1078a858cf15d63e
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# https://grafana.com/docs/loki/latest/configure/examples/#1-local-configuration-exampleyaml
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services.loki = {
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enable = true;
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configuration = {
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server.http_listen_port = 3100;
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auth_enabled = false;
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common = {
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ring = {
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instance_interface_names = [ "wg-ssh" ];
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instance_enable_ipv6 = true;
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kvstore = {
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store = "inmemory";
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};
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};
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replication_factor = 1;
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path_prefix = "/var/lib/loki";
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storage = {
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filesystem = {
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chunks_directory = "chunks/";
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rules_directory = "rules/";
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};
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};
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};
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ingester = {
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chunk_encoding = "snappy";
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chunk_idle_period = "1h";
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};
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query_range = {
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results_cache = {
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cache = {
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embedded_cache = {
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enabled = true;
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max_size_mb = 500;
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};
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};
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};
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};
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chunk_store_config = {
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max_look_back_period = "0s";
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chunk_cache_config = {
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embedded_cache = {
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enabled = true;
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max_size_mb = 500;
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ttl = "24h";
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};
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};
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};
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# Keep logs for 4 weeks
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# https://grafana.com/docs/loki/latest/operations/storage/retention/
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limits_config = {
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retention_period = "4w";
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split_queries_by_interval = "0";
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};
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compactor = {
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shared_store = "filesystem";
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compaction_interval = "10m";
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retention_enabled = true;
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retention_delete_delay = "2h";
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retention_delete_worker_count = 150;
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};
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schema_config = {
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configs = [
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{
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from = "2020-05-15";
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store = "boltdb-shipper";
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object_store = "filesystem";
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schema = "v11";
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index = {
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prefix = "index_";
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period = "24h";
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};
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}
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];
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};
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};
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};
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services.promtail = {
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enable = true;
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configuration = {
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server = {
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http_listen_port = 9080;
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grpc_listen_port = 0;
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};
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positions = {
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filename = "/tmp/positions.yaml";
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};
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clients = [
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{
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url = "http://flora-6.wg.pub.solar:${toString config.services.loki.configuration.server.http_listen_port}/loki/api/v1/push";
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}
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];
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scrape_configs = [
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{
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job_name = "journal";
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journal = {
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max_age = "24h";
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labels = {
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job = "systemd-journal";
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host = "flora-6";
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};
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};
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relabel_configs = [
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{
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source_labels = [ "__journal__systemd_unit" ];
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target_label = "unit";
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}
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];
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}
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];
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};
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};
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}
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