day16.3
作者：互联网
Ansible 变量
# 避免重复代码，方便维护，减少维护成本
Ansible变量定义
1.命令行
2.play中定义
vars
vars_files
3.lnventory中定义
hosts文件
host_vars目录
group_vars目录
优先级
# 命令行 > vars_files(play) > vars(play) > host_vars(inventory) > group_vars(inventory) > hosts (inventory)
定义ansible变量的位置
在play中定义变量
# vars变量
- hosts: web_group
vars:
user_group: cjk
id: '438'
pkg:
- nginx
- php
- mariadb-server
tasks:
- name: 创建{{ user_group }}组
group:
name: "{{ user_group }}"
gid: "{{ id }}"
- name: 创建{{ user_group }}用户
user
name: "{{ user_group }}"
uid: "{{ id }}"
group: "{{ id }}"
shell: /sbin/nologin
create_home: False
- name: 安装nginx php mysql
yum:
name: "{{ pkg }}"
state: present
# vars_files变量
- hosts: web_group
vars:
user_group: huanglong
id: '438'
pkg:
- nginx
- php
- mariadb-server
vars_files: ./zls_var.yml
tasks:
- name: 创建{{ user_group }}组
group:
name: "{{ user_group }}"
gid: "{{ id }}"
- name: 创建{{ user_group }}用户
user:
name: "{{ user_group }}"
uid: "{{ id }}"
group: "{{ id }}"
shell: /sbin/nologin
create_home: False
zls_var.yml
user_group: wuyangke
id: '250'
pkg:
- nginx
- php
- mariadb-server
在inventory中定义变量
在inventory文件中定义变量(几乎不用)
[root@m01 ~]# vim /etc/ansible/hosts
[web_group]
web01 ansible_ssh_host=10.0.0.7
web02 ansible_ssh_host=10.0.0.8
[web_group:vars]
user_group=xxx
id='666'
host_vars
# 和yaml文件同级目录下创建目录
- hosts: web_group
vars:
user_group: www
id: "666"
作业
- hosts: all
tasks:
- name: 创建同一用户
group:
name: www
gid: 666
state: present
- name: 创建同一用户
user:
name: www
group: 666
uid: 666
shell: /sbin/nologin
create_home: false
- hosts: nfs,backup
tasks:
- name: 下载nfs，backup
yum:
name: rsync,nfs-utils
state: present
- hosts: backup
tasks:
- name: rsync
copy:
src: /root/rsyncd.conf
dest: /etc/
- name: 创建密码文件，权限600
copy:
content: rsync_backup:123
dest: /etc/rsync.passwd
mode: 0600
- name: 创建backup目录，修改用户
file:
path: /backup
owner: www
group: www
mode: 0755
state: directory
- name: 启动rsync
service:
name: rsyncd
state: started
- hosts: nfs
tasks:
- name: rsync客户端 创建密码文件
copy:
content: 123
dest: /etc/rsync.passwd
mode: 0600
- name: nfs服务端
copy:
content: "/data 172.16.1.0/24(rw.sync.anonuid=666,anongid=666,all_squash)"
dest: /etc/exports
- name: 创建data目录
file:
path: /data
owner: www
group: www
mode: 0755
state: directory
- hosts: web_group
tasks:
- name: 发rpm包
unarchive:
src: /root/nginx_php(1).tar
dest: /root
- name: 安装rpm包
shell: "rpm -Uvh /root/*.rpm"
ignore_errors: yes
- name: 修改nginxwww用户
copy:
src: /code/nginx.conf
dest: /etc/nginx/nginx.conf
- name: 修改PHP配置文件
copy:
src: /code/www.conf
dest: /etc/php-fpm.d/www.conf
- name: 启动nginx /etc/php-fpm
service:
name: nginx
state: started
- name: 启动nginx php-fpm
service:
name: php-fpm
state: started
- name: 创建站点目录
file:
path: /code
owner: www
group: www
state: directory
- name: 部署WordPress
unarchive:
src: /code/latest-zh_CN.tar.gz
dest: /code
owner: www
group: www
- name: 部署配置文件
copy:
src: /code/wordpress.conf
dest: /etc/nginx/conf.d/
- name: 启动nginx
service:
name: nginx
state: reloaded
- name: 启动php
service:
name: php-fpm
state: reloaded
- hosts: db01
tasks:
- name: 下载数据库
yum:
name: mariadb-server,MySQL-python
- name: 启动数据库
service:
name: mariadb
state: started
enabled: True
- name: 创建库
mysql_user:
name: wp_user
host: "%"
password: 111
priv: '*.*:ALL'
state: present
- name: 创建库
mysql_db:
name: wp
state: present
- name: 输出数据库备份文件
copy:
src: /code/wordpress.sql
dest: /opt
- name: 导入数据
mysql_db:
name: wp
state: import
target: /opt/wordpress.sql
- hosts: web_group
tasks:
- name: 挂载目录
mount:
src: 172.16.1.31:/data
fstype: nfs
path: /code/wordpress/wp-content/uploads
state: mounted
标签：group,name,vars,nginx,state,user,day16.3 来源： https://www.cnblogs.com/wangchengww/p/16425541.html