Fix config command

trains_agent/__main__.py

@@ -20,7 +20,9 @@ from .interface import get_parser
 def run_command(parser, args, command_name):
 
     debug = args.debug
-    if len(command_name.split('.')) < 2:
+    if command_name and command_name.lower() == 'config':
+        command_class = commands.Config
+    elif len(command_name.split('.')) < 2:
         command_class = commands.Worker
     elif hasattr(args, 'func') and getattr(args, 'func'):
         command_class = getattr(commands, command_name.capitalize())

trains_agent/commands/__init__.py

@@ -1,3 +1,4 @@
 from __future__ import print_function
 
 from .worker import Worker
+from .check_config import Config

trains_agent/commands/check_config.py

@@ -0,0 +1,15 @@
+from trains_agent.commands.base import ServiceCommandSection
+
+
+class Config(ServiceCommandSection):
+
+    def __init__(self, *args, **kwargs):
+        super(Config, self).__init__(*args, only_load_config=True, **kwargs)
+
+    def config(self, **_):
+        return self._session.print_configuration()
+
+    @property
+    def service(self):
+        """ The name of the REST service used by this command """
+        return 'config'

trains_agent/session.py

@@ -72,7 +72,11 @@ class Session(_Session):
             os.environ[LOCAL_CONFIG_FILE_OVERRIDE_VAR] = config_file
             if not Path(config_file).is_file():
                 raise ValueError("Could not open configuration file: {}".format(config_file))
-        super(Session, self).__init__(*args, **kwargs)
+        if kwargs.get('only_load_config'):
+            from trains_agent.backend_api.config import load
+            self.config = load()
+        else:
+            super(Session, self).__init__(*args, **kwargs)
         self.log = self.get_logger(__name__)
         self.trace = kwargs.get('trace', False)
         self._config_file = kwargs.get('config_file') or \
@@ -120,7 +124,8 @@ class Session(_Session):
         if not worker_name.get():
             worker_name.set(platform.node())
 
-        self.create_cache_folders()
+        if not kwargs.get('only_load_config'):
+            self.create_cache_folders()
 
     @staticmethod
     def get_logger(name):