retrying to connect to the lavalink server until it worked

src/cogs/music.py

@@ -27,6 +27,8 @@ import re
 import typing
 import wavelink
 from discord.ext import commands, menus
+from time import sleep
+import socket
 
 # Genius API
 from lyricsgenius import Genius
@@ -355,8 +357,17 @@ class Music(commands.Cog, wavelink.WavelinkMixin):
                           'region': self.keys["REGION_DISCORD"]
                           }}
 
-        for n in nodes.values():
+        nodeValues = list(nodes.values())
-            await self.bot.wavelink.initiate_node(**n)
+        n = 0
+        while n < len(nodeValues):
+            location = (nodeValues[n]["host"], nodeValues[n]["port"])
+            a_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+            if a_socket.connect_ex(location) == 0:
+                await self.bot.wavelink.initiate_node(**nodeValues[n]) # Port is open, connecting...
+                n += 1
+            else:
+                sleep(1) # Port is not open, retrying in 1 second...
 
     @wavelink.WavelinkMixin.listener()
     async def on_node_ready(self, node: wavelink.Node):