1. 批量创建用户(playbook循环&&user模块 的应用 )
方法一
只创建用户
创建用户并设定密码
- 编写yml文件
---
- hosts: web
tasks:
- name: create users
user:
name: "{{ item.user }}"
state: present
password: "{{ item.pass | password_hash('sha512') }}"
loop:
- { user: user1,pass: linux }
- { user: user2,pass: redhat }
- { user: user3,pass: ansible }
- playbook 执行

由于密码是明文的,这种方法并不安全
方法二(加密)
- 将创建用户的信息单独写入文件
[devops@server1 ansible]$ vi userlist.yml
---
userlist:
- user: user1
pass: linux
- user: user2
pass: redhat
- user: user3
pass: ansible
- 将用户信息文件导入主yml文件
[devops@server1 ansible]$ vi createuser.yml
---
- hosts: web
vars_files:
- userlist.yml
tasks:
- name: create users
user:
name: "{{ item.user }}"
state: present
password: "{{ item.pass | password_hash('sha512') }}"
loop: "{{ userlist }}"
- 对用户信息文件进行加密
[devops@server1 ansible]$ vi createuser.yml

用户只能输入密码来查看和编辑被建立用户的信息


2. 批量对主机进行免密登录设定
- 编写yml文件
---
- hosts: all
tasks:
- name: set up authorized keys
authorized_key:
user: root
state: present
key: '{{item}}'
with_file:
- ~/.ssh/id_rsa.pub
执行playbook

设定成功

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