feat: properly modularised games

applications/games.nix

@@ -1,5 +1,70 @@
-{  ... }: {
+{ config, pkgs, lib, ... }:
+  with lib;
+  let
+    cfg = config.services.skynet_games;
+  in {
   imports = [
+    ./dns.nix
+
     ./games/minecraft.nix
   ];
+
+
+  options.services.skynet_games = {
+      enable = mkEnableOption "Skynet Games";
+
+      host = {
+        ip = mkOption {
+          type = types.str;
+        };
+
+        name = mkOption {
+          type = types.str;
+        };
+      };
+
+      domain = {
+        tld = mkOption {
+          type = types.str;
+          default = "ie";
+        };
+
+        base = mkOption {
+          type = types.str;
+          default = "skynet";
+        };
+
+        sub = mkOption {
+          type = types.str;
+          default = "games";
+        };
+      };
+
+  };
+
+
+  config = mkIf cfg.enable {
+    skynet_dns.records = {
+      cname = [
+        # need a base domain
+        "${cfg.domain.sub}  CNAME  ${cfg.host.name}"
+      ];
+    };
+
+    # the minecraft servers
+    services.skynet_games_minecraft = {
+      enable = true;
+
+      host = {
+        ip = cfg.host.ip;
+        name = cfg.domain.sub;
+      };
+
+      domain = {
+        sub = "minecraft.${cfg.domain.sub}";
+      };
+    };
+
+
+  };
 }

applications/games/minecraft.nix

@@ -1,18 +1,63 @@
-{
+{ config, pkgs, lib, ... }:
+  with lib;
+  let
+    cfg = config.services.skynet_games_minecraft;
+  in {
+
   imports = [
+    ../firewall.nix
+    ../dns.nix
+
     ../acme.nix
     ../nginx.nix
   ];
 
+  options.services.skynet_games_minecraft = {
+    enable = mkEnableOption "Skynet Games Minecraft";
+
+    host = {
+      ip = mkOption {
+        type = types.str;
+      };
+
+      name = mkOption {
+        type = types.str;
+      };
+    };
+
+    domain = {
+      tld = mkOption {
+        type = types.str;
+        default = "ie";
+      };
+
+      base = mkOption {
+        type = types.str;
+        default = "skynet";
+      };
+
+      sub = mkOption {
+        type = types.str;
+        default = "minecraft.games";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    skynet_firewall.forward = [
+      "ip daddr ${cfg.host.ip} tcp dport 80 counter packets 0 bytes 0 accept"
+      "ip daddr ${cfg.host.ip} tcp dport 443 counter packets 0 bytes 0 accept"
+      "ip daddr ${cfg.host.ip} tcp dport 25565 counter packets 0 bytes 0 accept"
+    ];
 
     skynet_dns.records = {
       external = [];
       cname = [
         # create a sub-subdomain for each game
-      "compsoc_classic.minecraft.games  CNAME   games"
-              "compsoc.minecraft.games  CNAME   games"
+        "compsoc_classic.${cfg.domain.sub}  CNAME   ${cfg.host.name}"
+                "compsoc.${cfg.domain.sub}  CNAME   ${cfg.host.name}"
 
-  "map.compsoc_classic.minecraft.games  CNAME   games"
+    "map.compsoc_classic.${cfg.domain.sub}  CNAME   ${cfg.host.name}"
                 #"compsoc.minecraft.games  CNAME   games"
       ];
     };
@@ -27,7 +72,7 @@
       20001
     ];
 
-  services.nginx.virtualHosts."compsoc_classic.minecraft.games.skynet.ie" = {
+    services.nginx.virtualHosts."compsoc_classic.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}" = {
       forceSSL = true;
       useACMEHost = "skynet";
       locations."/map/".alias = "/etc/games/minecraft/compsoc/classic/config/plugins/dynmap/web/";
@@ -83,4 +128,5 @@
         };
       };
     };
+  };
 }

machines/optimus.nix

@@ -21,7 +21,6 @@ let
 in {
   imports = [
     # applications for this particular server
-    ../applications/firewall.nix
     ../applications/dns.nix
     ../applications/games.nix
 
@@ -38,27 +37,28 @@ in {
     targetUser = "root";
   };
 
-  # these two are to be able to add the rules for firewall and dns
-  # open the firewall for this
-  skynet_firewall.forward = [
-    "ip daddr ${ip_pub} tcp dport 80 counter packets 0 bytes 0 accept"
-    "ip daddr ${ip_pub} tcp dport 443 counter packets 0 bytes 0 accept"
-    "ip daddr ${ip_pub} tcp dport 25565 counter packets 0 bytes 0 accept"
-  ];
 
   skynet_dns.records = {
     external = [
       "${name}       A       ${ip_pub}"
     ];
-    cname = [
-      # the games are each going to have a subdomain on this
-      "games           CNAME   ${name}"
-    ];
     reverse = [
       "${builtins.substring 9 3 ip_pub}    IN     PTR    ${name}"
     ];
   };
 
+  services.skynet_games = {
+    enable = true;
+
+    host = {
+      # pass in teh ip (used for firewall)
+      ip = ip_pub;
+
+      # the name is used for dns
+      name = name;
+    };
+  };
+
 # we use this to pass in teh relevent infomation to the
   services.skynet_ldap = {
     enable = true;