Files
nixos/roles/dbserver-mariadb.nix

55 lines
1.2 KiB
Nix

# Module: roles/dbserver-mariadb
# Enables a database server running MariaDB
{
config,
lib,
pkgs,
pkgsUnstable,
inputs,
...
}:
with lib;
let
cfg = config.dbserver-mariadb;
defaultDBPackage = pkgs.mariadb;
defaultPyMySQLPackage = pkgs.python313Packages.pymysql;
in
{
options.dbserver-mariadb = {
enable = mkEnableOption "Enables dbserver-mariadb role";
dbPackage = mkOption {
type = types.package;
default = defaultDBPackage;
description = "Package to use for the database server";
example = mariadb;
};
};
config = mkIf cfg.enable {
environment.systemPackages = with pkgs; [
cfg.dbPackage
(python3.withPackages (ps: [ ps.pymysql ]))
];
services.mysql = {
enable = true;
package = cfg.dbPackage;
};
environment.etc."alloy/mariadb.alloy".text = ''
prometheus.exporter.mysql "mariadb" {
data_source_name = "{{ mariadb_role_alloy }}@(localhost)/"
enable_collectors = ["heartbeat", "mysql.user"]
}
prometheus.scrape "mariadb_scrape" {
targets = prometheus.exporter.mysql.mariadb.targets
forward_to = [prometheus.remote_write.default.receiver]
}
'';
};
}