Make sure ansible_become treated as a boolean (#70484)

* Make sure ansible_become treated as a boolean

changelogs/fragments/70484-bool-ansible-become.yaml

@@ -0,0 +1,3 @@
+bugfixes:
+  - The `ansible_become` value was not being treated as a boolean value when set in an INI format
+    inventory file (fixes bug https://github.com/ansible/ansible/issues/70476).

lib/ansible/executor/task_executor.py

@@ -19,6 +19,7 @@ from ansible import constants as C
 from ansible.errors import AnsibleError, AnsibleParserError, AnsibleUndefinedVariable, AnsibleConnectionFailure, AnsibleActionFail, AnsibleActionSkip
 from ansible.executor.task_result import TaskResult
 from ansible.executor.module_common import get_action_args_with_defaults
+from ansible.module_utils.parsing.convert_bool import boolean
 from ansible.module_utils.six import iteritems, string_types, binary_type
 from ansible.module_utils.six.moves import xrange
 from ansible.module_utils._text import to_text, to_native
@@ -818,7 +819,7 @@ class TaskExecutor:
             raise AnsibleError("the connection plugin '%s' was not found" % conn_type)
 
         # load become plugin if needed
-        if cvars.get('ansible_become', self._task.become):
+        if boolean(cvars.get('ansible_become', self._task.become)):
             become_plugin = self._get_become(cvars.get('ansible_become_method', self._task.become_method))
 
             try:

test/integration/targets/inventory_ini/aliases

@@ -0,0 +1 @@
+shippable/posix/group5

test/integration/targets/inventory_ini/inventory.ini

@@ -0,0 +1,5 @@
+[local]
+testhost ansible_connection=local ansible_become=no ansible_become_user=ansibletest1
+
+[all:vars]
+ansible_python_interpreter="{{ ansible_playbook_python }}"

test/integration/targets/inventory_ini/runme.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -eux
+
+ansible-playbook -v -i inventory.ini test_ansible_become.yml

test/integration/targets/inventory_ini/test_ansible_become.yml

@@ -0,0 +1,11 @@
+- hosts: testhost
+  gather_facts: no
+  tasks:
+    - name: Test proper bool evaluation of ansible_become (issue #70476)
+      shell: whoami
+      register: output
+
+    - name: Assert we are NOT the become user specified
+      assert:
+        that:
+          - "output.stdout != 'ansibletest1'"