feat: implemented dynamic lobby server with specify group id

msb-example-server/msb-example-server.yml

@@ -63,18 +63,3 @@ spec:
               value: ws://kubik-discovery:8080
             - name: KUBIK_GROUP_ID
               value: lobby
----
-apiVersion: v1
-kind: Service
-
-metadata:
-  name: lobby
-
-spec:
-  type: NodePort
-  selector:
-    app: lobby
-  ports:
-    - port: 25565
-      targetPort: 25565
-      protocol: TCP

velocity-plugin/src/main/java/ru/dragonestia/kubik/plugin/KubikPlugin.java

@@ -3,6 +3,7 @@ package ru.dragonestia.kubik.plugin;
 import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
+import com.velocitypowered.api.event.player.PlayerChooseInitialServerEvent;
 import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.proxy.ProxyShutdownEvent;
@@ -46,6 +47,9 @@ public class KubikPlugin implements ProxyServerRegistry {
     private final Map<String, Consumer<PluginMessageEvent>> pluginChannelHandlers = new ConcurrentHashMap<>();
     private final Map<String, RegisteredServer> registeredServers = new ConcurrentHashMap<>();
 
+    private Kubik kubik;
+    private String initialServerGroupId;
+
     @Inject
     public KubikPlugin(ProxyServer proxyServer, Logger logger) {
         this.proxyServer = proxyServer;
@@ -56,8 +60,10 @@ public class KubikPlugin implements ProxyServerRegistry {
 
         logger.info("Using kubik urls: {}, {}", kubikHttpUrl, kubikWsUrl);
 
-        var kubik = new Kubik(kubikHttpUrl, kubikWsUrl);
+        kubik = new Kubik(kubikHttpUrl, kubikWsUrl);
         proxyControl = kubik.initProxy(this);
+
+        initialServerGroupId = EnvUtil.getString("KUBIK_INITIAL_SERVER_GROUP_ID", "lobby");
     }
 
     @Subscribe
@@ -86,6 +92,33 @@ public class KubikPlugin implements ProxyServerRegistry {
         proxyControl.dispose();
     }
 
+    @Subscribe
+    public void onChooseInitialServer(PlayerChooseInitialServerEvent event) {
+        var player = event.getPlayer();
+
+        if (initialServerGroupId == null) {
+            logger.error("Initial server group id is null");
+            player.disconnect(Component.text("Неправильно сконфигурировано лобби сервера"));
+            return;
+        }
+
+        var serverId = kubik.pickServer(initialServerGroupId);
+        if (serverId == null) {
+            logger.error("Could not find server with groupId '{}'", initialServerGroupId);
+            player.disconnect(Component.text("Нет доступных серверов для лобби"));
+            return;
+        }
+
+        var server = registeredServers.get(serverId);
+        if (server == null) {
+            logger.error("Server '{}' is not registered for groupId '{}'", serverId, initialServerGroupId);
+            player.disconnect(Component.text("Не зарегистрирован сервер для лобби"));
+            return;
+        }
+
+        event.setInitialServer(server);
+    }
+
     @Subscribe
     public void onTakenPluginMessage(PluginMessageEvent event) {
         var handler = pluginChannelHandlers.get(event.getIdentifier().getId());

velocity/kubik-proxy.yml

@@ -29,6 +29,8 @@ spec:
               value: http://kubik-discovery:8080
             - name: KUBIK_DISCOVERY_WS_URL
               value: ws://kubik-discovery:8080
+            - name: KUBIK_INITIAL_SERVER_GROUP_ID
+              value: lobby
 ---
 apiVersion: v1
 kind: Service

velocity/velocity.toml

@@ -77,20 +77,15 @@ enable-player-address-logging = true
 [servers]
 # Configure your servers here. Each key represents the server's name, and the value
 # represents the IP address of the server to connect to.
-lobby = "lobby:25565"
+#lobby = "lobby:25565"
-
 
 # In what order we should try servers when a player logs in or is kicked from a server.
 try = [
-    "lobby"
+#    "lobby"
 ]
 
 [forced-hosts]
 # Configure your forced hosts here.
-"lobby.example.com" = [
-    "lobby"
-]
-
 
 [advanced]
 # How large a Minecraft packet has to be before we compress it. Setting this to zero will