systemd – Manage services
service – Manage services
service_facts – Return service state information as fact data
检测 systemd 服务
Ansible tips’n’tricks: checking if a systemd service is running
使用 service_facts 可以获取服务信息，该模块支持 systemd, sysv, upstart 三种。
- name: "获取服务信息" service_facts: - name: "如果 Docker 已安装，则重启 Docker 服务" when: ansible_facts.services["docker.service"] is defined systemd: name: docker.service state: restarted