From b2c33c13732b00b56b4efe89e66c9f05130ade12 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sat, 17 Apr 2021 22:04:45 -1000
Subject: [PATCH] Only fetch the local ip once per run (#49336)

Wrap get_local_ip in lru_cache
---
 homeassistant/util/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/homeassistant/util/__init__.py b/homeassistant/util/__init__.py
index 79ceeada0c2..c684d14d276 100644
--- a/homeassistant/util/__init__.py
+++ b/homeassistant/util/__init__.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 import asyncio
 from datetime import datetime, timedelta
 import enum
-from functools import wraps
+from functools import lru_cache, wraps
 import random
 import re
 import socket
@@ -129,6 +129,7 @@ def ensure_unique_string(
 
 
 # Taken from: http://stackoverflow.com/a/11735897
+@lru_cache(maxsize=None)
 def get_local_ip() -> str:
     """Try to determine the local IP address of the machine."""
     try: