make _get_phase more robust

Signed-off-by: Matthias Büchse <[email protected]>

Author: mbuechse

Tests/kaas/plugin/plugin_clusterstacks.py

@@ -35,7 +35,8 @@ def _get_condition_ready(self, co_api: _csh.CustomObjectsApi):
 
     def _get_phase(self, co_api: _csh.CustomObjectsApi):
         try:
-            return _csh.get_cluster_status(co_api, self.namespace, self.name)['status'].get('phase', 'n/a')
+            status = _csh.get_cluster_status(co_api, self.namespace, self.name).get('status', {})
+            return status.get('phase', 'n/a')
         except ApiException as e:
             if e.status != 404:
                 raise