Make `main()` calls conditional - database (#3659)

lib/ansible/modules/extras/database/misc/mongodb_user.py

@@ -438,4 +438,6 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 from ansible.module_utils.pycompat24 import get_exception
-main()
+
+if __name__ == '__main__':
+    main()

lib/ansible/modules/extras/database/misc/redis.py

@@ -341,4 +341,6 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 from ansible.module_utils.pycompat24 import get_exception
-main()
+
+if __name__ == '__main__':
+    main()

lib/ansible/modules/extras/database/postgresql/postgresql_ext.py

@@ -189,5 +189,6 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 from ansible.module_utils.pycompat24 import get_exception
-main()
 
+if __name__ == '__main__':
+    main()

lib/ansible/modules/extras/database/postgresql/postgresql_lang.py

@@ -285,4 +285,6 @@ def main():
 # import module snippets
 from ansible.module_utils.basic import *
 from ansible.module_utils.pycompat24 import get_exception
-main()
+
+if __name__ == '__main__':
+    main()