有關(guān)template參數(shù)

{%  for i in li %}

hello {{ i }}

{% endfor %}


{% if name == "shark" %}
   ...

{% endif %}

![template.png](https://upload-images.jianshu.io/upload_images/18339928-67d8fcc8891df07c.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)

class:
  - name: stu1
    num: 001
  - name: stu2
    num: 002
  - name: stu3
    num: 003

python -c 'import yaml,sys,pprint; pprint.pprint(yaml.load(sys.stdin))' < test.ym
讀出內(nèi)容
{'class': [{'name': 'stu1', 'num': 1},
           {'name': 'stu2', 'num': 2},
           {'name': 'stu3', 'num': 3}]}

---
- name: one nginx yaml
  hosts: host1
  remote_user: root
  tasks:
  - name: install epel
    yum: name=epel-release state=present
  - name: install nginx
    yum: name=nginx state=present
  - name: start nginx server
    systemd:
        name: nginx
        enabled: true
        state: started
...

ansible-playbook nginx.yml --step
# 就會(huì)啟動(dòng)

---
- name: add a user
  hosts: host1
  vars:
    user_name: liangzai
    home_dir: /home/liangzai
  tasks:
  - name: add a user and space them home work
    user:
      name: "{{ user_name }}"
      home: "{{ home_dir }}"
...
創(chuàng)建一個(gè)用戶還有家目錄

ansible-playbook add.yml