Set hosts fact gathering flag based on fact cache entries

Fixes ansible#12213

lib/ansible/executor/play_iterator.py

@@ -109,7 +109,7 @@ class PlayIterator:
     FAILED_RESCUE      = 4
     FAILED_ALWAYS      = 8
 
-    def __init__(self, inventory, play, play_context, all_vars):
+    def __init__(self, inventory, play, play_context, variable_manager, all_vars):
         self._play = play
 
         self._blocks = []
@@ -121,6 +121,10 @@ def __init__(self, inventory, play, play_context, all_vars):
         self._host_states = {}
         for host in inventory.get_hosts(self._play.hosts):
              self._host_states[host.name] = HostState(blocks=self._blocks)
+             # if the host's name is in the variable manager's fact cache, then set
+             # its _gathered_facts flag to true for smart gathering tests later
+             if host.name in variable_manager._fact_cache:
+                 host._gathered_facts = True
              # if we're looking to start at a specific task, iterate through
              # the tasks for this host until we find the specified task
              if play_context.start_at_task is not None:

lib/ansible/executor/task_queue_manager.py

@@ -197,7 +197,13 @@ def run(self, play):
             raise AnsibleError("Invalid play strategy specified: %s" % new_play.strategy, obj=play._ds)
 
         # build the iterator
-        iterator = PlayIterator(inventory=self._inventory, play=new_play, play_context=play_context, all_vars=all_vars)
+        iterator = PlayIterator(
+            inventory=self._inventory,
+            play=new_play,
+            play_context=play_context,
+            variable_manager=self._variable_manager,
+            all_vars=all_vars,
+        )
 
         # and run the play using the strategy
         return strategy.run(iterator, play_context)