100 lines
2.6 KiB
Nix
100 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.monetdb;
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in {
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meta.maintainers = with maintainers; [ StillerHarpo primeos ];
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###### interface
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options = {
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services.monetdb = {
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enable = mkEnableOption "the MonetDB database server";
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package = mkOption {
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type = types.package;
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default = pkgs.monetdb;
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defaultText = literalExpression "pkgs.monetdb";
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description = lib.mdDoc "MonetDB package to use.";
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};
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user = mkOption {
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type = types.str;
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default = "monetdb";
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description = lib.mdDoc "User account under which MonetDB runs.";
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};
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group = mkOption {
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type = types.str;
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default = "monetdb";
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description = lib.mdDoc "Group under which MonetDB runs.";
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/monetdb";
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description = lib.mdDoc "Data directory for the dbfarm.";
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};
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port = mkOption {
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type = types.ints.u16;
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default = 50000;
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description = lib.mdDoc "Port to listen on.";
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};
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listenAddress = mkOption {
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type = types.str;
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default = "127.0.0.1";
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example = "0.0.0.0";
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description = lib.mdDoc "Address to listen on.";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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users.users.monetdb = mkIf (cfg.user == "monetdb") {
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uid = config.ids.uids.monetdb;
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group = cfg.group;
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description = "MonetDB user";
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home = cfg.dataDir;
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createHome = true;
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};
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users.groups.monetdb = mkIf (cfg.group == "monetdb") {
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gid = config.ids.gids.monetdb;
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members = [ cfg.user ];
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};
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environment.systemPackages = [ cfg.package ];
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systemd.services.monetdb = {
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description = "MonetDB database server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = [ cfg.package ];
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unitConfig.RequiresMountsFor = "${cfg.dataDir}";
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${cfg.package}/bin/monetdbd start -n ${cfg.dataDir}";
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ExecStop = "${cfg.package}/bin/monetdbd stop ${cfg.dataDir}";
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};
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preStart = ''
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if [ ! -e ${cfg.dataDir}/.merovingian_properties ]; then
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# Create the dbfarm (as cfg.user)
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${cfg.package}/bin/monetdbd create ${cfg.dataDir}
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fi
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# Update the properties
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${cfg.package}/bin/monetdbd set port=${toString cfg.port} ${cfg.dataDir}
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${cfg.package}/bin/monetdbd set listenaddr=${cfg.listenAddress} ${cfg.dataDir}
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'';
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};
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};
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}
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