Show correct ipv6 address in System Monitor (#114024)

homeassistant/components/systemmonitor/sensor.py

@@ -7,6 +7,7 @@ import contextlib
 from dataclasses import dataclass
 from datetime import datetime
 from functools import lru_cache
+import ipaddress
 import logging
 import socket
 import sys
@@ -136,6 +137,11 @@ def get_ip_address(
     if entity.argument in addresses:
         for addr in addresses[entity.argument]:
             if addr.family == IF_ADDRS_FAMILY[entity.entity_description.key]:
+                address = ipaddress.ip_address(addr.address)
+                if address.version == 6 and (
+                    address.is_link_local or address.is_loopback
+                ):
+                    continue
                 return addr.address
     return None
 

tests/components/systemmonitor/conftest.py

@@ -129,7 +129,21 @@ def mock_psutil(mock_process: list[MockProcess]) -> Generator:
                     "255.255.255.0",
                     "255.255.255.255",
                     None,
-                )
+                ),
+                snicaddr(
+                    socket.AF_INET6,
+                    "fe80::baf2:8a90:4f78:b1cb%end0",
+                    "ffff:ffff:ffff:ffff::",
+                    None,
+                    None,
+                ),
+                snicaddr(
+                    socket.AF_INET6,
+                    "2a00:1f:2103:3a01:3333:2222:1111:0000",
+                    "ffff:ffff:ffff:ffff::",
+                    None,
+                    None,
+                ),
             ],
             "eth1": [
                 snicaddr(

tests/components/systemmonitor/snapshots/test_diagnostics.ambr

@@ -4,7 +4,7 @@
     'coordinators': dict({
       'data': dict({
         'addresses': dict({
-          'eth0': "[snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.1.1', netmask='255.255.255.0', broadcast='255.255.255.255', ptp=None)]",
+          'eth0': "[snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.1.1', netmask='255.255.255.0', broadcast='255.255.255.255', ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='fe80::baf2:8a90:4f78:b1cb%end0', netmask='ffff:ffff:ffff:ffff::', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='2a00:1f:2103:3a01:3333:2222:1111:0000', netmask='ffff:ffff:ffff:ffff::', broadcast=None, ptp=None)]",
           'eth1': "[snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.10.1', netmask='255.255.255.0', broadcast='255.255.255.255', ptp=None)]",
           'vethxyzxyz': "[snicaddr(family=<AddressFamily.AF_INET: 2>, address='172.16.10.1', netmask='255.255.255.0', broadcast='255.255.255.255', ptp=None)]",
         }),

tests/components/systemmonitor/snapshots/test_sensor.ambr

@@ -95,7 +95,7 @@
   })
 # ---
 # name: test_sensor[System Monitor IPv6 address eth0 - state]
-  'unknown'
+  '2a00:1f:2103:3a01:3333:2222:1111:0000'
 # ---
 # name: test_sensor[System Monitor IPv6 address eth1 - attributes]
   ReadOnlyDict({