118 lines
3.8 KiB
Nix
118 lines
3.8 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.prometheus.minioExporter;
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in {
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options = {
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services.prometheus.minioExporter = {
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enable = mkEnableOption "prometheus minio exporter";
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port = mkOption {
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type = types.int;
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default = 9290;
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description = ''
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Port to listen on.
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'';
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};
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listenAddress = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "0.0.0.0";
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description = ''
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Address to listen on for web interface and telemetry.
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'';
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};
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minioAddress = mkOption {
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type = types.str;
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example = "https://10.0.0.1:9000";
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default = if config.services.minio.enable then "http://localhost:9000" else null;
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description = ''
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The URL of the minio server.
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Use HTTPS if Minio accepts secure connections only.
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By default this connects to the local minio server if enabled.
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'';
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};
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minioAccessKey = mkOption ({
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type = types.str;
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example = "BKIKJAA5BMMU2RHO6IBB";
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description = ''
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The value of the Minio access key.
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It is required in order to connect to the server.
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By default this uses the one from the local minio server if enabled
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and <literal>config.services.minio.accessKey</literal>.
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'';
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} // optionalAttrs (config.services.minio.enable && config.services.minio.accessKey != "") {
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default = config.services.minio.accessKey;
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});
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minioAccessSecret = mkOption ({
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type = types.str;
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description = ''
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The calue of the Minio access secret.
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It is required in order to connect to the server.
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By default this uses the one from the local minio server if enabled
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and <literal>config.services.minio.secretKey</literal>.
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'';
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} // optionalAttrs (config.services.minio.enable && config.services.minio.secretKey != "") {
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default = config.services.minio.secretKey;
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});
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minioBucketStats = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Collect statistics about the buckets and files in buckets.
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It requires more computation, use it carefully in case of large buckets..
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'';
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};
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extraFlags = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra commandline options when launching the minio exporter.
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Open port in firewall for incoming connections.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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networking.firewall.allowedTCPPorts = optional cfg.openFirewall cfg.port;
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systemd.services.prometheus-minio-exporter = {
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description = "Prometheus exporter for Minio server metrics";
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unitConfig.Documentation = "https://github.com/joe-pll/minio-exporter";
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wantedBy = [ "multi-user.target" ];
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after = optional config.services.minio.enable "minio.service";
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serviceConfig = {
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DynamicUser = true;
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Restart = "always";
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PrivateTmp = true;
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WorkingDirectory = /tmp;
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ExecStart = ''
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${pkgs.prometheus-minio-exporter}/bin/minio-exporter \
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-web.listen-address ${optionalString (cfg.listenAddress != null) cfg.listenAddress}:${toString cfg.port} \
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-minio.server ${cfg.minioAddress} \
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-minio.access-key ${cfg.minioAccessKey} \
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-minio.access-secret ${cfg.minioAccessSecret} \
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${optionalString cfg.minioBucketStats "-minio.bucket-stats"} \
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${concatStringsSep " \\\n " cfg.extraFlags}
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'';
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};
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};
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};
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}
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