ansible-playbook批量安装httpd，按主机名提供不同的index.html（如node1的index.html欢迎页面为welcome node1）

[root@ansible ~]# vim /etc/ansible/hosts
[webservers]
10.0.0.150 ansible_connection=local
10.0.0.160 

#创建角色相关目录
[root@ansible html]# mkdir -pv /data/ansible/roles/httpd/{tasks,handlers,files}
mkdir: created directory '/data/ansible'
mkdir: created directory '/data/ansible/roles'
mkdir: created directory '/data/ansible/roles/httpd'
mkdir: created directory '/data/ansible/roles/httpd/tasks'
mkdir: created directory '/data/ansible/roles/httpd/handlers'
mkdir: created directory '/data/ansible/roles/httpd/files'

#创建角色相关文件
[root@ansible html]# cd /data/ansible/roles/httpd/

#main.yml是task的入口文件
[root@ansible httpd]# vim tasks/main.yml
- include: group.yml
- include: user.yml
- include: install.yml
- include: config.yml
- include: index.yml
- include: service.yml

[root@ansible httpd]# vim tasks/group.yml
- name: create apache group
  group: name=apache system=yes gid=80

[root@ansible httpd]# vim tasks/user.yml
- name: create apache user
  user: name=apache system=yes shell=/sbin/nologin home=/var/www/ uid=80 group=apache

[root@ansible httpd]# vim tasks/install.yml
- name: install httpd package
  yum: name=httpd

[root@ansible httpd]# vim tasks/config.yml
- name: config file
  copy: src=httpd.conf  dest=/etc/httpd/conf/ backup=yes
  notify: restart

[root@ansible httpd]# vim tasks/index.yml
 - name: index.html
  copy: content='{{ ansible_hostname }}\n'  dest=/var/www/html/index.html

[root@ansible httpd]# vim tasks/service.yml
- name: start httpd service
  service: name=httpd state=started enabled=yes

[root@ansible httpd]# vim handlers/main.yml
- name: restart
  service: name=httpd state=restarted

#file目录下准备httpd.conf配置文件
[root@ansible httpd]# ls files/httpd.conf
files/httpd.conf

[root@ansible httpd]# tree /data/ansible/roles/httpd/
/data/ansible/roles/httpd/
├── files
│   └── httpd.conf
├── handlers
│   └── main.yml
└── tasks
    ├── config.yml
    ├── group.yml
    ├── index.yml
    ├── install.yml
    ├── main.yml
    ├── service.yml
    └── user.yml
3 directories, 9 files

#在playbook中调用角色
[root@ansible ~]# vim /data/ansible/role_httpd.yml
- hosts: webservers
  remote_user: root

  roles:
    - httpd

#运行playbook
[root@ansible ~]# ansible-playbook  /data/ansible/role_httpd.yml

#验证：
[root@ansible ~]# curl 10.0.0.150
ansible
[root@ansible ~]# curl 10.0.0.160
node1