Ansible playbook初始化配置Linux Centos7（一.DNS）

• 一.DNS配置
• • 1.1.文件结构
  • 1.2.DNS任务下任务主文件
  • 1.3.DNS任务下操作文件

├── hosts
├── roles
│   ├── DNS
│   │   ├── handlers
│   │   │   └── main.yml
│   │   └── tasks
│   │       └── main.yml
└── site.yml

/roles/DNS/tasks/main.yml

 - name: add_DNS
   lineinfile:
     dest: /etc/sysconfig/network-scripts/ifcfg-eth0
     line: "DNS1=192.168.0.111"
     state: present
   notify:
     - restart_network
 - name: ssh no DNS
   lineinfile:
     dest: /etc/ssh/sshd_config
     regexp: "{{item.old}}"
     line: "{{item.new}}"
     state: present
   with_items:
     - {old: 'UseDNS yes', new: 'UseDNS no' }
     - {old: 'GSSAPIAuthentication yes' ,new: 'GSSAPIAuthentication no' }
   notify:
     - restart_sshd
 - meta: flush_handlers

/roles/DNS/handlers/main.yml

 - name: restart_network
   service: name=network state=restarted
 - name: restart_sshd
   service: name=sshd state=restarted