Check for ansible_facts in results for with_ tasks

that loop over a lookup plugin. Fixes #3704 and #3735

lib/ansible/playbook/__init__.py

@@ -361,8 +361,15 @@ class PlayBook(object):
 
         # add facts to the global setup cache
         for host, result in contacted.iteritems():
-            facts = result.get('ansible_facts', {})
-            self.SETUP_CACHE[host].update(facts)
+            if 'results' in result:
+                # task ran with_ lookup plugin, so facts are encapsulated in
+                # multiple list items in the results key
+                for res in result['results']:
+                    facts = res.get('ansible_facts', {})
+                    self.SETUP_CACHE[host].update(facts)
+            else:
+                facts = result.get('ansible_facts', {})
+                self.SETUP_CACHE[host].update(facts)
             # extra vars need to always trump - so update  again following the facts
             self.SETUP_CACHE[host].update(self.extra_vars)
             if task.register: