Jinja2 spacing could be improved: {{ ((mirror_pool_info.stdout | default('{}') | from_json)['peers'] | selectattr('site_name', 'match', '^'+ceph_rbd_mirror_remote_cluster+'$') | map(attribute='uuid') | list) }} -> {{ ((mirror_pool_info.stdout | default('{}') | from_json)['peers'] | selectattr('site_name', 'match', '^' + ceph_rbd_mirror_remote_cluster + '$') | map(attribute='uuid') | list) }}