Moving ConnectionInformation -> PlayContext

Also making PlayContext a child class of the Playbook Base class,
which gives it access to all of the FieldAttribute code to ensure
field values are correctly typed after post_validation

Fixes #11381

lib/ansible/executor/play_iterator.py

@@ -89,12 +89,12 @@ class PlayIterator:
     FAILED_RESCUE      = 4
     FAILED_ALWAYS      = 8
 
-    def __init__(self, inventory, play, connection_info, all_vars):
+    def __init__(self, inventory, play, play_context, all_vars):
         self._play = play
 
         self._blocks = []
         for block in self._play.compile():
-            new_block = block.filter_tagged_tasks(connection_info, all_vars)
+            new_block = block.filter_tagged_tasks(play_context, all_vars)
             if new_block.has_tasks():
                 self._blocks.append(new_block)
 
@@ -103,12 +103,12 @@ class PlayIterator:
              self._host_states[host.name] = HostState(blocks=self._blocks)
              # if we're looking to start at a specific task, iterate through
              # the tasks for this host until we find the specified task
-             if connection_info.start_at_task is not None:
+             if play_context.start_at_task is not None:
                  while True:
                      (s, task) = self.get_next_task_for_host(host, peek=True)
                      if s.run_state == self.ITERATING_COMPLETE:
                          break
-                     if task.get_name() != connection_info.start_at_task:
+                     if task.get_name() != play_context.start_at_task:
                          self.get_next_task_for_host(host)
                      else:
                          break