fix discovery on loop with delegation (#70013)

* fix discovery on loop with delegation

fixes #69963

changelogs/fragments/ensure_discovery_delegate.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - ensure we pass on interpreter discovery values to delegated host.

lib/ansible/plugins/action/__init__.py

@@ -252,6 +252,11 @@ class ActionBase(with_metaclass(ABCMeta, object)):
                     task_vars['ansible_facts'][discovered_key] = self._discovered_interpreter
                     # preserve this so _execute_module can propagate back to controller as a fact
                     self._discovered_interpreter_key = discovered_key
+                else:
+                    task_vars['ansible_delegated_vars'][self._task.delegate_to]
+                    if task_vars['ansible_delegated_vars'][self._task.delegate_to].get('ansible_facts') is None:
+                        task_vars['ansible_delegated_vars'][self._task.delegate_to]['ansible_facts'] = {}
+                    task_vars['ansible_delegated_vars'][self._task.delegate_to]['ansible_facts'][discovered_key] = self._discovered_interpreter
 
         return (module_style, module_shebang, module_data, module_path)
 

test/integration/targets/delegate_to/discovery_applied.yml

@@ -0,0 +1,8 @@
+- hosts: testhost
+  gather_facts: no
+  tasks:
+  - command: ls
+    delegate_to: "{{ item }}"
+    with_items:
+    - localhost
+    - "{{ inventory_hostname }}"

test/integration/targets/delegate_to/runme.sh

@@ -69,3 +69,4 @@ ln -s python firstpython
 ln -s python secondpython
 )
 ansible-playbook verify_interpreter.yml -i inventory_interpreters -v "$@"
+ansible-playbook discovery_applied.yml -i inventory -v "$@"