Use link-local instead disabled for ipv6 (#3829)

* Use link-local instead disabled for ipv6

* Add a test

Co-authored-by: Mike Degatano <michael.degatano@gmail.com>

supervisor/dbus/const.py

@@ -140,6 +140,7 @@ class InterfaceMethod(str, Enum):
     AUTO = "auto"
     MANUAL = "manual"
     DISABLED = "disabled"
+    LINK_LOCAL = "link-local"
 
 
 class ConnectionType(str, Enum):

supervisor/dbus/network/setting/generate.py

@@ -93,7 +93,7 @@ def get_connection_from_interface(
     if not interface.ipv6 or interface.ipv6.method == InterfaceMethod.AUTO:
         ipv6["method"] = Variant("s", "auto")
     elif interface.ipv6.method == InterfaceMethod.DISABLED:
-        ipv6["method"] = Variant("s", "disabled")
+        ipv6["method"] = Variant("s", "link-local")
     else:
         ipv6["method"] = Variant("s", "manual")
         ipv6["dns"] = Variant(

supervisor/host/network.py

@@ -402,6 +402,7 @@ class Interface:
             NMInterfaceMethod.AUTO: InterfaceMethod.AUTO,
             NMInterfaceMethod.DISABLED: InterfaceMethod.DISABLED,
             NMInterfaceMethod.MANUAL: InterfaceMethod.STATIC,
+            NMInterfaceMethod.LINK_LOCAL: InterfaceMethod.DISABLED,
         }
 
         return mapping.get(method, InterfaceMethod.DISABLED)

tests/dbus/network/setting/test_init.py

@@ -6,6 +6,7 @@ from dbus_next.signature import Variant
 
 from supervisor.coresys import CoreSys
 from supervisor.dbus.network.setting.generate import get_connection_from_interface
+from supervisor.host.const import InterfaceMethod
 from supervisor.host.network import Interface
 
 from tests.const import TEST_INTERFACE
@@ -149,3 +150,21 @@ async def test_update(coresys: CoreSys):
         new=mock_call_dbus_get_settings_signature,
     ):
         await coresys.dbus.network.interfaces[TEST_INTERFACE].settings.update(conn)
+
+
+async def test_ipv6_disabled_is_link_local(coresys: CoreSys):
+    """Test disabled equals link local for ipv6."""
+    await coresys.dbus.network.interfaces[TEST_INTERFACE].connect()
+    interface = Interface.from_dbus_interface(
+        coresys.dbus.network.interfaces[TEST_INTERFACE]
+    )
+    interface.ipv4.method = InterfaceMethod.DISABLED
+    interface.ipv6.method = InterfaceMethod.DISABLED
+    conn = get_connection_from_interface(
+        interface,
+        name=coresys.dbus.network.interfaces[TEST_INTERFACE].settings.connection.id,
+        uuid=coresys.dbus.network.interfaces[TEST_INTERFACE].settings.connection.uuid,
+    )
+
+    assert conn["ipv4"]["method"] == Variant("s", "disabled")
+    assert conn["ipv6"]["method"] == Variant("s", "link-local")