Fix deployment with ipv6 management network

sunbeam-python/sunbeam/provider/local/deployment.py

@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import ipaddress
 import logging
 
 import petname  # type: ignore [import-untyped]
@@ -154,6 +155,8 @@ def get_management_cidr(self) -> str:
     def get_clusterd_http_address(self) -> str:
         """Return the address of the clusterd server."""
         local_ip = utils.get_local_ip_by_cidr(self.get_management_cidr())
+        if ipaddress.ip_address(local_ip).version == 6:
+            local_ip = f"[{local_ip}]"
         address = f"https://{local_ip}:{CLUSTERD_PORT}"
         return address
 

sunbeam-python/tests/unit/sunbeam/test_clusterd.py

@@ -69,6 +69,16 @@ def test_init_step(self, cclient, mocker):
         assert result.result_type == ResultType.COMPLETED
         init_step.client.cluster.bootstrap.assert_called_once()
 
+    def test_init_step_ipv6(self, cclient, mocker):
+        role = "control"
+        init_step = ClusterInitStep(cclient, [role], 0, "fd00::/108")
+        init_step.client = MagicMock()
+        init_step.fqdn = "node1"
+        mocker.patch("sunbeam.utils.get_local_ip_by_cidr", return_value="fd00::2")
+        result = init_step.run()
+        assert result.result_type == ResultType.COMPLETED
+        init_step.client.cluster.bootstrap.assert_called_once()
+
     def test_add_node_step(self, cclient):
         add_node_step = ClusterAddNodeStep(cclient, name="node-1")
         add_node_step.client = MagicMock()