资产清单：
[demo1] 172.22.32.25 hostname=hostname1 172.22.32.26 hostname=hostname2 172.22.32.27 hostname=hostname3 172.22.32.28 hostname=hostname4 172.22.32.29 hostname=hostname5 172.22.32.30 hostname=hostname6
playbook
---
- hosts: demo1
tasks:
- name: 覆盖/etc/hostname文件
raw: 'echo {{ hostname|quote }} > /etc/hostname'
- name: 命令再次设置
shell: hostnamectl set-hostname {{ hostname|quote }}
标签：ip,hostname,主机名,etc,ansible,playbook,172.22
From： https://www.cnblogs.com/netsa/p/17461321.html