82 lines
2.4 KiB
Nix
82 lines
2.4 KiB
Nix
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{
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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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options.snowflake.monitoring.victoriametrics = let
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settingsFormat = pkgs.formats.json {};
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in {
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enable = lib.mkEnableOption "Enable victoriametrics and vmagent stack";
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port = lib.mkOption {
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type = lib.types.port;
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default = 8428;
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description = "Port to listen on for victoriametrics";
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};
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extraPrometheusConfig = lib.mkOption {
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description = "Extra prometheus scrape config for vmagent";
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type = lib.types.listOf (lib.types.submodule {freeformType = settingsFormat.type;});
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default = [];
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};
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};
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config = let
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cfg = config.snowflake.monitoring.victoriametrics;
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exporterCfg = config.services.prometheus.exporters;
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in
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lib.mkIf cfg.enable {
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services.victoriametrics = {
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enable = cfg.enable;
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listenAddress = "127.0.0.1:${toString cfg.port}";
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retentionPeriod = 3;
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};
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services.vmagent = {
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enable = cfg.enable;
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remoteWrite.url = "http://${config.services.victoriametrics.listenAddress}/api/v1/write";
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prometheusConfig = {
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global = {
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scrape_interval = "1m";
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scrape_timeout = "30s";
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};
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scrape_configs =
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[]
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++ lib.optional exporterCfg.node.enable {
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job_name = "node";
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static_configs = [
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{
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targets = ["127.0.0.1:${toString exporterCfg.node.port}"];
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}
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];
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relabel_configs = [
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{
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source_labels = ["__address__"];
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target_label = "instance";
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regex = "([^:]+)(:[0-9]+)?";
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replacement = config.networking.hostName;
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}
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];
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}
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++ lib.optional exporterCfg.collectd.enable {
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job_name = "collectd";
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static_configs = [
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{
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targets = ["127.0.0.1:${toString exporterCfg.collectd.port}"];
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}
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];
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}
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++ lib.optional exporterCfg.systemd.enable {
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job_name = "systemd";
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static_configs = [
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{
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targets = ["127.0.0.1:${toString exporterCfg.systemd.port}"];
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}
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];
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}
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++ cfg.extraPrometheusConfig;
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};
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};
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};
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}
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