From 7adf7e280d5b52c736c20832b3d1556bda5285b1 Mon Sep 17 00:00:00 2001
From: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Mon, 5 Jun 2017 12:47:05 +0200
Subject: [PATCH] Use no user when the users section is missing in kubeconfig

Fixes kubernetes-incubator/client-python#236
---
 config/kube_config.py      |  3 ++-
 config/kube_config_test.py | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/config/kube_config.py b/config/kube_config.py
index b0ddeaa6a..eaa2e460c 100644
--- a/config/kube_config.py
+++ b/config/kube_config.py
@@ -130,7 +130,8 @@ class KubeConfigLoader(object):
             context_name = self._config['current-context']
         self._current_context = self._config['contexts'].get_with_name(
             context_name)
-        if self._current_context['context'].safe_get('user'):
+        if (self._current_context['context'].safe_get('user')
+                and self._config.safe_get('users')):
             self._user = self._config['users'].get_with_name(
                 self._current_context['context']['user'])['user']
         else:
diff --git a/config/kube_config_test.py b/config/kube_config_test.py
index 6784b75b6..fd83466f2 100644
--- a/config/kube_config_test.py
+++ b/config/kube_config_test.py
@@ -615,6 +615,17 @@ class TestKubeConfigLoader(BaseTestCase):
         self.assertEqual(BEARER_TOKEN_FORMAT % TEST_DATA_BASE64,
                          client.config.api_key['authorization'])
 
+    def test_no_users_section(self):
+        expected = FakeConfig(host=TEST_HOST)
+        actual = FakeConfig()
+        test_kube_config = self.TEST_KUBE_CONFIG.copy()
+        del test_kube_config['users']
+        KubeConfigLoader(
+            config_dict=test_kube_config,
+            active_context="gcp",
+            client_configuration=actual).load_and_set()
+        self.assertEqual(expected, actual)
+
 
 if __name__ == '__main__':
     unittest.main()