If D-Bus to UDisks2 is not connected, return None (#6265)

When fetching the host info without UDisks2 D-Bus connected it would raise an exception and disable managing addons via home assistant (and other GUI functions that need host info status).

supervisor/hardware/disk.py

@@ -9,7 +9,12 @@ from typing import Any
 from supervisor.resolution.const import UnhealthyReason
 
 from ..coresys import CoreSys, CoreSysAttributes
-from ..exceptions import DBusError, DBusObjectError, HardwareNotFound
+from ..exceptions import (
+    DBusError,
+    DBusNotConnectedError,
+    DBusObjectError,
+    HardwareNotFound,
+)
 from .const import UdevSubsystem
 from .data import Device
 
@@ -207,6 +212,8 @@ class HwDisk(CoreSysAttributes):
         try:
             block_device = self.sys_dbus.udisks2.get_block_device_by_path(device_path)
             drive = self.sys_dbus.udisks2.get_drive(block_device.drive)
+        except DBusNotConnectedError:
+            return None
         except DBusObjectError:
             _LOGGER.warning(
                 "Unable to find UDisks2 drive for device at %s", device_path.as_posix()

tests/hardware/test_disk.py

@@ -376,3 +376,14 @@ async def test_try_get_nvme_life_time_missing_percent_used(
         coresys.config.path_supervisor
     )
     assert lifetime is None
+
+
+async def test_try_get_nvme_life_time_dbus_not_connected(coresys: CoreSys):
+    """Test getting lifetime info from an NVMe when DBUS is not connected."""
+    # Set the dbus for udisks2 bus to be None, to make it forcibly disconnected.
+    coresys.dbus.udisks2.dbus = None
+
+    lifetime = await coresys.hardware.disk.get_disk_life_time(
+        coresys.config.path_supervisor
+    )
+    assert lifetime is None