Add agent type option to agent recipe.

slapos/recipe/agent/__init__.py

@@ -48,6 +48,7 @@ class Recipe(GenericBaseRecipe):
           'callbacks_directory': self.options['callbacks-directory'],
           'partition_id': self.options['partition-id'],
           'computer_id': self.options['computer-id'],
+          'agent_type': self.options['type'],
         }
       ),
     )

slapos/recipe/agent/template/config.in

@@ -4,3 +4,4 @@ EQUEUE_SOCKET = %(equeue_socket)r
 CALLBACKS_DIRECTORY = %(callbacks_directory)r
 COMPUTER_ID = %(computer_id)r
 PARTITION_ID = %(partition_id)r
+AGENT_TYPE = %(agent_type)r