ansible模块register/vars

register注册变量

可以将输出信息作为变量值

示例： [root@jack7-1 work]# cat register.yml

---

• hosts: PC remote_user: root tasks:
  • name: test shell shell: "echo test > /root/test" register: testvar ==================>将shell输出的结果赋值给testvar变量
  • name: shell return debug:

var: testvar ======>debug调用testvar

   msg: "{{testvar.end}}"   ==============>debug调用testvar的内部的参数

vars_prompt 提示用户输入信息，并写入变量

name变量的名称 prompt 提示用户输入信息 encrypt: "sha512_crypt"使用sha512哈希算法，对字符串哈希，主要用于创建密码 confirm 提示用户再次提交 private是否隐藏用户输入的信息，默认yes，no不隐藏

示例（创建用户）： [root@jack7-1 work]# cat c_user_pass.yml

---

• hosts: PA remote_user: root vars_prompt:
  • name: "user" prompt: "Please input your create user name" private: no
  • name: "pass" prompt: "Please input your password" encrypt: "sha512_crypt" confirm: yes tasks:
  • name: add user user: name: "{{user}}" password: "{{pass}}"

命令行传入变量

--extra-vars 简写 -e 适用与ansible ansible-playbook 传入单个变量值：ansible-playbook var.yml -e 'var1="jack"' 传入多个变量值：ansible-paybook var.yml -e 'var1="jack" var2="ross"' （空格隔开，否则会报错） 传入变量列表：ansible-playbook var.yml -e '{"var_list":["var1","var2","var3",]}' 传入变量文件：ansible-playbook var.yml -e '@/etc/ansible/vars/hero.yml'

示例： [root@jack7-1 work]# vim var.yml

---

• hosts: PC remote_user: root vars: cmd_var1: This is a default var1 cmd_var2: This is a default var2 name_list: ["jack","ross","wolf","captain"] tasks:
  • name: "var on command line" debug: msg: "{{cmd_var1}},{{cmd_var2}},{{name_list[2]}}"
  • name: "var in file" debug: msg: I am {{hero_list[2]}}

变量有默认值的情况下，命令行传入的变量值优先级更高

变量文件： [root@jack7-1 work]# cat ../vars/hero.yml #This is a hero list hero_list:

• spander-man
• iron-man
• captain-Amarican
• doctor
• worlf
• sour