108 lines
2.9 KiB
Nix
108 lines
2.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.bagel.services.prometheus;
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inherit (lib) mkEnableOption mkIf;
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mimirPort = config.services.mimir.configuration.server.http_listen_port;
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in
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{
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options.bagel.services.prometheus.enable = mkEnableOption "Prometheus scraper";
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config = mkIf cfg.enable {
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age.secrets = {
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metrics-push-htpasswd = {
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file = ../../../secrets/metrics-push-htpasswd.age;
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owner = "nginx";
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};
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mimir-environment.file = ../../../secrets/mimir-environment.age;
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};
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services.mimir = {
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enable = true;
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extraFlags = ["--config.expand-env=true"];
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configuration = {
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target = "all,alertmanager";
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multitenancy_enabled = false;
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common.storage = {
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backend = "s3";
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s3 = {
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endpoint = "s3.delroth.net";
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bucket_name = "bagel-mimir";
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secret_access_key = "\${S3_KEY}"; # This is a secret injected via an environment variable
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access_key_id = "\${S3_KEY_ID}";
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};
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};
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server = {
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http_listen_port = 9009;
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grpc_server_max_recv_msg_size = 104857600;
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grpc_server_max_send_msg_size = 104857600;
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grpc_server_max_concurrent_streams = 1000;
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};
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ingester.ring.replication_factor = 1;
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distributor.instance_limits.max_ingestion_rate = 0; # unlimited
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limits = {
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ingestion_rate = 1000000; # can't set to unlimited :(
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out_of_order_time_window = "12h";
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};
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blocks_storage.backend = "s3";
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ruler_storage = {
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backend = "local";
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local.directory = pkgs.runCommand "mimir-rules" {} ''
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mkdir -p $out
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ln -s ${./alerts} $out/anonymous
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'';
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};
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alertmanager = {
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sharding_ring.replication_factor = 1;
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fallback_config_file = pkgs.writers.writeYAML "alertmanager.yaml" {
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route = {
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group_by = ["alertname"];
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receiver = "matrix";
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};
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receivers = [
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{
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name = "matrix";
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}
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];
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};
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};
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alertmanager_storage.backend = "filesystem";
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ruler.alertmanager_url = "http://localhost:${toString mimirPort}/alertmanager";
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};
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};
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systemd.services.mimir.serviceConfig.EnvironmentFile = [ config.age.secrets.mimir-environment.path ];
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services.nginx = {
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upstreams.mimir = {
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servers."127.0.0.1:${toString mimirPort}" = {};
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extraConfig = "keepalive 16;";
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};
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virtualHosts."mimir.forkos.org" = {
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enableACME = true;
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forceSSL = true;
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locations."/api/v1/push" = {
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proxyPass = "http://mimir";
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basicAuthFile = config.age.secrets.metrics-push-htpasswd.path;
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};
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};
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};
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bagel.monitoring.grafana-agent.exporters.mimir.port = 9009;
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};
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}
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