Ansible:仅在存在时禁用服务

Question

有什么好的方法可以禁用和停止服务，但前提是它安装在服务器上？像这样的东西:

- service: name={{ item }} enabled=no state=stopped only_if_present=yes
  with_items:
  - avahi-daemon
  - abrtd
  - abrt-ccpp

请注意，“only_if_present”是 Ansible 中目前不存在的关键字，但我想我的目标很明显。

Answer 1

我不知道您的情况下的包名称是什么，但您可以执行类似的操作:

- shell: dpkg-query -W 'avahi'
  ignore_errors: True
  register: is_avahi
  when: ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'

- shell: rpm -q 'avahi'
  ignore_errors: True
  register: is__avahi
  when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'

- service: name=avahi-daemon enabled=no state=stopped
  when: is_avahi|failed

Update: I have added conditions so that the playbook works when you have multiple different distros, you might need to adapt it to fit your requirements.