101 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.5 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 = "pkgs.monetdb";
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        description = "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 = "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 = "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 = "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 = "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 = "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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