Move ConfigException out of incluster_config and in it's own file

kubernetes/config/__init__.py

@@ -12,6 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from .kube_config import load_kube_config
+from .config_exception import ConfigException
 from .incluster_config import load_incluster_config
-from .incluster_config import ConfigException
+from .kube_config import load_kube_config

kubernetes/config/config_exception.py

@@ -0,0 +1,17 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class ConfigException(Exception):
+    pass

kubernetes/config/incluster_config.py

@@ -16,6 +16,8 @@ import os
 
 from kubernetes.client import configuration
 
+from .config_exception import ConfigException
+
 _SERVICE_HOST_ENV_NAME = "KUBERNETES_SERVICE_HOST"
 _SERVICE_PORT_ENV_NAME = "KUBERNETES_SERVICE_PORT"
 _SERVICE_TOKEN_FILENAME = "/var/run/secrets/kubernetes.io/serviceaccount/token"
@@ -31,10 +33,6 @@ def _join_host_port(host, port):
     return template % (host, port)
 
 
-class ConfigException(Exception):
-    pass
-
-
 class InClusterConfigLoader(object):
 
     def __init__(self, host_env_name, port_env_name, token_filename,

kubernetes/config/incluster_config_test.py

@@ -16,10 +16,9 @@ import os
 import tempfile
 import unittest
 
-from kubernetes.client import configuration
-
+from .config_exception import ConfigException
 from .incluster_config import (_SERVICE_HOST_ENV_NAME, _SERVICE_PORT_ENV_NAME,
-                               ConfigException, InClusterConfigLoader)
+                               InClusterConfigLoader)
 
 _TEST_TOKEN = "temp_token"
 _TEST_HOST = "127.0.0.1"