Fix issue where included blocks were not filtered on tags (v2)

v2/ansible/playbook/taggable.py

@@ -26,7 +26,7 @@ from ansible.template import Templar
 class Taggable:
 
     untagged = set(['untagged'])
-    _tags = FieldAttribute(isa='list', default=None)
+    _tags = FieldAttribute(isa='list', default=[])
 
     def __init__(self):
         super(Taggable, self).__init__()

v2/ansible/plugins/strategies/linear.py

@@ -285,7 +285,9 @@ class StrategyModule(StrategyBase):
                             noop_block.rescue = [noop_task for t in new_block.rescue]
                             for host in hosts_left:
                                 if host in included_file._hosts:
-                                    all_blocks[host].append(new_block)
+                                    task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=included_file._task)
+                                    final_block = new_block.filter_tagged_tasks(connection_info, task_vars)
+                                    all_blocks[host].append(final_block)
                                 else:
                                     all_blocks[host].append(noop_block)
 

v2/samples/hosts

+testing ansible_connection=local ansible_ssh_host=192.168.122.100 ansible_ssh_user=testing

v2/samples/include.yml

 - debug: msg="this is the include, a=={{a}}"
+  tags:
+  - included
 #- debug: msg="this is the second debug in the include"
 #- debug: msg="this is the third debug in the include, and a is still {{a}}"