ansible-playbook foo.yml --check --diff --limit <only.one.host>
--check simulate
--diff show difference
--limit host only this host
--syntax-check
im Playbook, play or in a task:
debugger: on_failed
in ansible.cfg:
[defaults] enable_task_debugger = True
or as environment variable:
ANSIBLE_ENABLE_TASK_DEBUGGER=True; ansible-playbook -i hosts site.yml
export ANSIBLE_STDOUT_CALLBACK=debug
oder in ansible.cfg:
human-readable
stdout/stderr results display
stdout_callback = debug