Python Linux系统管理与自动化运维之深入浅出Ansible(四)-优快云博客

本节结合前面所学的ansible命令和playbook语法做一个小的练习，实现在一台服务器上部署nginx.

playbook如下：
剧本如下：安装nginx 添加nginx用户考本配置文件添加index.html文件
ansible-playbook depoly_nginx.yml

depoly_nginx.yml

---
- hosts: nginx_server
  become: yes
  become_method: sudo
  vars:
    worker_processes: 4
    worker_connections: 768
    max_operi_files: 65506
  tasks:
    - name: install nginx
      yum: name=nginx update_cache=yes state=latest

    - name: useradd nginx
      user: name=ngigx createhome=no comment='nginx_command'

    - name: copy nginx config file
      template: src=/etc/ansible/roles/nginx/nginx.conf.j2 dest=/etc/nginx/nginx.conf
    notify: restart nginx

    - name: copy index.html 
      template: 
        src: /etc/ansible/roles/nginx/index.html.j2 
        dest: /usr/share/nginx/www/index.html 
        mode: 644 
    notify: restart nginx

  handlers:
    - name: restart nginx
      service: name=nginx state=restarted

nginx.conf.j2

worker_processes {{ worker_processes }};
worker_rlimit_nofile {{ max_open_files }};

events {
    worker_connections {{ worker_connections}};
}

http{
    server {
    listen 80 default_server;
    listen [::]:80 default_server ipv6only=on;
    listen 443 ssl;
    root  /usr/share/nginx/www;
    index index.html index.htm;

    server_name localhost;
     location /{
     try_files $uri $uri/ =404;

     }
    }
}

index.html.j2

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Wecome to Ansible</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
</head>
<body>
    <p> If you see this,Ansible successfuly installed nginx.</p>
    <p>{{ ansible_hostname}}</p>
</body>
</html>