Add api call for retrieve_config

leapp/actors/__init__.py

@@ -379,6 +379,17 @@ def report_error(self, message, severity=ErrorSeverity.ERROR, details=None):
                 actor=self,
                 details=details)
 
+    def retrieve_config(self):
+        """
+        Retrieve the configuration specific to the specified schema.
+
+        :param schema: Configuration schemas
+        :type schema: :py:class:`leapp.models.Model`
+        :return: Dictionary containing requested configuration.
+        :rtype: dict
+        """
+        return retrieve_config(self.config_schema)
+
 
 def _is_type(value_type):
     def validate(actor, name, value):

leapp/actors/config.py

@@ -298,7 +298,7 @@ def retrieve_config(schema):
     for field in schema:
         configuration[field.section][field.name] = _ACTOR_CONFIG[field.section][field.name]
 
-    return configuration
+    return dict(configuration)
 
 #
 # The function after this needs some work to be ready.  It isn't part of the

leapp/libraries/stdlib/api.py

@@ -228,3 +228,10 @@ def get_actor_tool_path(name):
     :rtype: str or None
     """
     return current_actor().get_actor_tool_path(name)
+
+
+def retrieve_config():
+    """
+    Retrieve the configuration specific to the specified schema.
+    """
+    return current_actor().retrieve_config()