Fix cli usage of could environment - unification of naming convention

Depends on #43

Author: mijaros

Diff for: osia/cli.py

@@ -36,7 +36,7 @@ def _read_list(in_str: str) -> List[str]:
     'common': {
         'cloud': {'help': 'Cloud provider to be used.', 'type': str,
                   'choices': ['openstack', 'aws']},
-        'cloud_environment': {'help': 'Environment of cloud to be used.', 'type': str},
+        'cloud_env': {'help': 'Environment of cloud to be used.', 'type': str},
         'dns_provider': {'help': 'Provider of dns used with openstack cloud',
                          'type': str, 'choices': ['nsupdate', 'route53']}
     },

Diff for: osia/config/config.py

@@ -26,8 +26,8 @@ def _resolve_cloud_name(args: argparse.Namespace) -> Optional[Dict]:
                       'removed in future releases.')
         return defaults['CLOUD'][args.cloud]
     default_env = defaults['CLOUD'][args.cloud].get('cloud_env', None) \
-        if args.cloud_environment is None else \
-        args.cloud_environment
+        if args.cloud_env is None else \
+        args.cloud_env
     if default_env is None:
         logging.error("Couldn't resolve default environment")
         raise Exception("Invalid environment setup, cloud_env is missing")