How To Use Conditionals in Ansible Playbooks

**How To Use Conditionals in Ansible Playbooks**

Introduction In Ansible, tasks execute on every host in the inventory unless you tell them not to. Without conditionals, a task that uses apt will attempt to run on RedHat hosts and fail; a task that assumes a /data volume exists will error on hosts where it is not mounted. The when keyword lets you attach a condition to any task so it runs only on hosts where that condition is true and is skipped everywhere else. This guide shows how to use conditionals in Ansible playbooks for basic task control, register-based checks, host facts, multiple conditions, loops, and how to avoid common errors. For broader playbook structure, see the How To Write Ansible Playbooks series...

---

**[devsupporter 해설]**

이 기사는 DigitalOcean에서 제공하는 최신 개발 동향입니다. 관련 도구나 기술에 대해 더 알아보시려면 원본 링크를 참고하세요.