Adding better warning message to let user know that config file is mi…

…ssing and they need to set env parameters. (#347)

* Adding EventHub creation to the deployment script

* Upgrading API versions and fixing the if clause of KV property creation for EH

* Making the warning message more clear

* Minor edit

feathr_project/feathr/client.py

@@ -102,7 +102,7 @@ def __init__(self, config_path:str = "./feathr_config.yaml", local_workspace_dir
         self.envutils = envutils
 
         if not os.path.exists(config_path):
-            self.logger.warning('Configuration path does not exist, you need to set the environment variables explicitly. For all the environment variables, please refer to https://github.com/linkedin/feathr/blob/main/feathr_project/feathrcli/data/feathr_user_workspace/feathr_config.yaml')
+            self.logger.warning('No Configuration file exist at the user provided config_path or the default config_path (./feathr_config.yaml), you need to set the environment variables explicitly. For all the environment variables that you need to set, please refer to https://github.com/linkedin/feathr/blob/main/feathr_project/feathrcli/data/feathr_user_workspace/feathr_config.yaml')
 
         # Load all configs from yaml at initialization
         # DO NOT load any configs from yaml during runtime.