Adding load_config wrapper method to have a more generic way of initializing the client config

Author: moshevayner

config/__init__.py

@@ -12,7 +12,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
 from .config_exception import ConfigException
 from .incluster_config import load_incluster_config
 from .kube_config import (list_kube_config_contexts, load_kube_config,
-                          load_kube_config_from_dict, new_client_from_config)
+                          load_kube_config_from_dict, new_client_from_config, KUBE_CONFIG_DEFAULT_LOCATION)
+
+
+def load_config(**kwargs):
+    """
+    Wrapper function to load the kube_config.
+    It will initially try to load_kube_config from provided path, then check if the KUBE_CONFIG_DEFAULT_LOCATION exists
+    If neither exists- it will fall back to load_incluster_config and inform the user accordingly.
+    """
+    if "kube_config_path" in kwargs.keys() or os.path.exists(KUBE_CONFIG_DEFAULT_LOCATION):
+        load_kube_config(**kwargs)
+    else:
+        print(f"kube_config_path not provided and default location ({KUBE_CONFIG_DEFAULT_LOCATION}) does not exist. "
+              "Using inCluster Config. This might not work.")
+        load_incluster_config(**kwargs)