常常用于判断前一个命令执行的结果.
| 参数 | 释义 | 示例 |
|---|---|---|
| success | 执行状态为成功为真 | when: result is success |
| succeeded | ||
| failure | 执行状态为失败为真 | when: result is failure |
| failed | ||
| change | 执行状态为change为真 | when: result is chang |
| changed | ||
| skip | 执行状态为skip为真 | when result is skip |
| skipped |
- hosts: all
vars:
- username: test1
tasks:
- name: detect whether the user exists
shell:
id {{ username }}
register: result
ignore_errors: true
- name: debug
debug:
msg: "{{ username }} exsist,nothing to do"
when: result is success
- name: user add {{ username }}
user:
name: "{{ username }}"
state: present
when: result is failure