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