added cobblemon

modules/gameservers/minecraft_cobblemon/default.nix

@@ -0,0 +1,155 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  service = "minecraft_modded";
+  cfg = config.gameservers.${service};
+  sec = config.sops.secrets;
+  servers = {
+    cobblemon = {
+      data_dir = "/var/lib/gameservers/minecraft_modded/cobblemon";
+      start_file = "run.sh";
+    };
+  };
+in {
+  options.gameservers.${service} = {
+    enable = lib.mkEnableOption "enables ${service}";
+    url = lib.mkOption {
+      type = lib.types.str;
+      default = "mc.recoil.pro";
+      description = "set domain for ${service}";
+    };
+    data_dir = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/gameservers/${service}";
+      description = "set data directory for ${service}";
+    };
+    ids = lib.mkOption {
+      type = lib.types.int;
+      default = 25565;
+      description = "set uid and pid of ${service} user (matches port by default)";
+    };
+    backup = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "enable backups for ${service}";
+    };
+    motd = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      default = "velocity";
+    };
+    backup_repo = lib.mkOption {
+      type = lib.types.path;
+      default = "/holocron/archives/gameservers/minecraft/modded";
+      description = "path to take hourly backups to with borg!";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+
+    # declare ${service} user
+    users.users.minecraft = {
+      description = "minecraft server user";
+      uid = lib.mkForce cfg.ids;
+      isSystemUser = true;
+      shell = pkgs.bash;
+      group = "minecraft";
+      extraGroups = [];
+    };
+
+    systemd.tmpfiles.rules =
+      lib.attrsets.mapAttrsToList (
+        name: cfg: "d ${cfg.data_dir} 0770 minecraft minecraft -"
+      )
+      servers;
+
+    # Create a systemd service per server running in tmux
+    systemd.services =
+      lib.attrsets.mapAttrs (name: srv: {
+        description = "minecraft_recpro: ${name}";
+        after = ["network.target"];
+        wants = ["network.target"];
+        serviceConfig = {
+          User = "minecraft";
+          Group = "minecraft";
+          WorkingDirectory = srv.data_dir;
+          UMask = "0007";
+          ExecStart = "${pkgs.bash}/bin/bash ${srv.start_file}";
+          Restart = "on-failure";
+          KillMode = "process";
+        };
+        wantedBy = ["multi-user.target"];
+      })
+      servers;
+
+    environment.systemPackages = with pkgs; [openjdk21 mcrcon];
+
+    #    services.mysql = {
+    #      enable = true;
+    #      package = pkgs.mariadb;
+    #      ensureDatabases = ["minecraft_recpro_db"];
+    #      ensureUsers = [
+    #        {
+    #          name = "minecraft";
+    #          ensurePermissions = {"minecraft_recpro_db.*" = "ALL PRIVILEGES";};
+    #        }
+    #      ];
+    #      initialScript = pkgs.writeText "minecraft_recpro-init.sql" ''
+    #        CREATE USER IF NOT EXISTS 'minecraft_recpro'@'localhost' IDENTIFIED BY 'IKNOWTHISISBADIJUSTNEEDTHISTOWORKRNPLS';
+    #        GRANT ALL PRIVILEGES ON minecraft_recpro_db.* TO 'minecraft_recpro'@'localhost';
+    #        FLUSH PRIVILEGES;
+    #      '';
+    #    };
+
+    # open firewall
+    networking.firewall.allowedTCPPorts = [25778];
+
+    #    sops.secrets = {
+    #      "velocity_forwarding" = {
+    #        owner = "minecraft";
+    #        group = "minecraft";
+    #        path = "/var/lib/gameservers/minecraft_recpro/velocity/forwarding.secret";
+    #        mode = "0400";
+    #      };
+    #      "minecraft_recpro_db_passwd" = {
+    #        owner = "mysql";
+    #        group = "mysql";
+    #      };
+    #    };
+
+    # backups minecraft_recpro with borg!
+    services.borgbackup.jobs.${service} = {
+      archiveBaseName = service;
+      repo = cfg.backup_repo;
+      paths = lib.flatten (
+        lib.attrValues (
+          lib.mapAttrs (_: srv:
+            [srv.data_dir]
+            ++ (
+              if builtins.hasAttr "db_dump" srv
+              then [srv.db_dump]
+              else []
+            ))
+          servers
+        )
+      );
+      compression = "auto,zstd";
+      preHook = "systemctl start mysql-backup.service";
+      startAt = "*-*-* *:00:00";
+      group = "archives";
+      encryption.mode = "repokey-blake2";
+      encryption.passCommand = "cat ${config.sops.secrets."borg_passwd".path}";
+      extraArgs = ["--verbose" "--show-rc" "--umask" "0007"];
+      extraCreateArgs = ["--list" "--stats" "--filter" "AME"];
+      prune.keep = {
+        within = "1d"; # Keep all archives from the last day
+        hourly = 24;
+        daily = 7;
+        weekly = 12;
+        monthly = -1; # Keep at least one archive for each month
+      };
+    };
+  };
+}