feat(etna): add mkMinecraftServer function

systems/etna/minecraft.nix

@@ -1,8 +1,63 @@
 {
+  lib,
   config,
   mkSecret,
   ...
-}: {
+}: let
+  mkMinecraftServer = name: {
+    port,
+    frpPort,
+    memory ? "4G",
+    env ? {},
+  }: {
+    virtualisation.oci-containers.containers.${name} = {
+      image = "itzg/minecraft-server";
+      ports = ["${builtins.toString port}:25565"];
+      volumes = [
+        "/data/${name}:/data"
+        "/data/downloads:/downloads"
+      ];
+      environmentFiles = [config.age.secrets.minecraftEnv.path];
+      environment =
+        {
+          EULA = "true";
+          MEMORY = memory;
+        }
+        // env;
+    };
+
+    services.frp.settings.proxies = [
+      {
+        name = name;
+        type = "tcp";
+        localIp = "127.0.0.1";
+        localPort = port;
+        remotePort = frpPort;
+      }
+    ];
+
+    systemd.services."${config.virtualisation.oci-containers.backend}-${name}".serviceConfig.TimeoutSec = "300";
+  };
+
+  recursiveMerge = attrList:
+    with lib; let
+      f = attrPath:
+        zipAttrsWith (
+          n: values:
+            if tail values == []
+            then head values
+            else if all isList values
+            then unique (concatLists values)
+            else if all isAttrs values
+            then f (attrPath ++ [n]) values
+            else last values
+        );
+    in
+      f [] attrList;
+
+  mkMinecraftServers = attrs: recursiveMerge (lib.mapAttrsToList mkMinecraftServer attrs);
+in
+  lib.recursiveUpdate {
     age.secrets = mkSecret "minecraftEnv" {};
 
     services.frp = {
@@ -11,34 +66,17 @@
       settings = {
         serverAddr = "49.13.148.129";
         serverPort = 7000;
-
-      proxies = [
-        {
-          name = "ragnamod7";
-          type = "tcp";
-          localIp = "127.0.0.1";
-          localPort = 25566;
-          remotePort = 6001;
-        }
-      ];
       };
     };
 
     virtualisation.oci-containers.backend = "docker";
-  virtualisation.oci-containers.containers = {
+  }
-    "ragnamod7" = {
+  (mkMinecraftServers {
-      image = "itzg/minecraft-server";
+    ragnamod7 = {
-      ports = ["25566:25565"];
+      port = 25566;
-      volumes = [
+      frpPort = 6001;
-        "/data/ragnamod7:/data"
+      memory = "10G";
-        "/data/downloads:/downloads"
+      env = {
-      ];
-      environmentFiles = [
-        config.age.secrets.minecraftEnv.path
-      ];
-      environment = {
-        EULA = "true";
-        MEMORY = "10G";
         USE_AIKAR_FLAGS = "true";
         TYPE = "AUTO_CURSEFORGE";
         CF_SLUG = "ragnamod-vii";
@@ -47,5 +85,15 @@
         CF_IGNORE_MISSING_FILES = "mods/ftbbackups2-forge-1.18.2-1.0.23.jar";
       };
     };
+
+    lynn = {
+      port = 25567;
+      frpPort = 6002;
+      memory = "4G";
+      env = {
+        USE_AIKAR_FLAGS = "true";
+        TYPE = "MODRINTH";
+        MODRINTH_MODPACK = "https://modrinth.com/modpack/adrenaserver/version/1.5.0+1.20.4.fabric";
       };
-}
+    };
+  })