Fix fact cleaning (#42595)

* fix fact cleanup

fixes #41684

lib/ansible/vars/clean.py

@@ -63,8 +63,13 @@ def clean_facts(facts):
     fact_keys = set(data.keys())
     # first we add all of our magic variable names to the set of
     # keys we want to remove from facts
+    # NOTE: these will eventually disappear in favor of others below
     for magic_var in C.MAGIC_VARIABLE_MAPPING:
         remove_keys.update(fact_keys.intersection(C.MAGIC_VARIABLE_MAPPING[magic_var]))
+
+    # remove common connection vars
+    remove_keys.update(fact_keys.intersection(C.COMMON_CONNECTION_VARS))
+
     # next we remove any connection plugin specific vars
     for conn_path in connection_loader.all(path_only=True):
         try:
@@ -72,7 +77,7 @@ def clean_facts(facts):
             re_key = re.compile('^ansible_%s_' % conn_name)
             for fact_key in fact_keys:
                 # most lightweight VM or container tech creates devices with this pattern, this avoids filtering them out
-                if re_key.match(fact_key) and not fact_key.endswith(('_bridge', '_gwbridge')):
+                if (re_key.match(fact_key) and not fact_key.endswith(('_bridge', '_gwbridge'))) or re_key.startswith('ansible_become_'):
                     remove_keys.add(fact_key)
         except AttributeError:
             pass

lib/ansible/vars/manager.py

@@ -43,7 +43,7 @@ from ansible.template import Templar
 from ansible.utils.listify import listify_lookup_plugin_terms
 from ansible.utils.vars import combine_vars
 from ansible.utils.unsafe_proxy import wrap_var
-from ansible.vars.clean import namespace_facts
+from ansible.vars.clean import namespace_facts, clean_facts
 
 try:
     from __main__ import display
@@ -313,7 +313,7 @@ class VariableManager:
 
                 # push facts to main namespace
                 if C.INJECT_FACTS_AS_VARS:
-                    all_vars = combine_vars(all_vars, wrap_var(facts))
+                    all_vars = combine_vars(all_vars, wrap_var(clean_facts(facts)))
                 else:
                     # always 'promote' ansible_local
                     all_vars = combine_vars(all_vars, wrap_var({'ansible_local': facts.get('ansible_local', {})}))