Merge pull request #163 from goddenrich/kube-configs-with-no-contexts-clusters-users

Merging configs with missing fields

Author: k8s-ci-robot

config/kube_config.py

@@ -586,7 +586,7 @@ def load_config(self, path):
             self.config_merged = ConfigNode(path, config_merged, path)
 
         for item in ('clusters', 'contexts', 'users'):
-            self._merge(item, config[item], path)
+            self._merge(item, config.get(item, {}), path)
         self.config_files[path] = config
 
     def _merge(self, item, add_cfg, path):

config/kube_config_test.py

@@ -1355,13 +1355,17 @@ class TestKubeConfigMerger(BaseTestCase):
             },
         ]
     }
+    TEST_KUBE_CONFIG_PART4 = {
+        "current-context": "no_user",
+    }
 
     def _create_multi_config(self):
         files = []
         for part in (
                 self.TEST_KUBE_CONFIG_PART1,
                 self.TEST_KUBE_CONFIG_PART2,
-                self.TEST_KUBE_CONFIG_PART3):
+                self.TEST_KUBE_CONFIG_PART3,
+                self.TEST_KUBE_CONFIG_PART4):
             files.append(self._create_temp_file(yaml.safe_dump(part)))
         return ENV_KUBECONFIG_PATH_SEPARATOR.join(files)