0.目录结构

$ tree mysql
mysql
├── files
│   └── web.sql
├── handlers
│   └── main.yml
├── tasks
│   └── main.yml
├── templates
│   ├── client.cnf.j2
│   ├── my.cnf.j2
│   ├── mysql-clients.cnf.j2
│   └── server.cnf.j2
└── vars

1.tasks内容

- name: 01-install
  yum:
    name:  "{{ item }}"
    state: installed
  loop:
    - MySQL-python
    - mariadb
    - mariadb-server
  notify: 
    - remove_user 
    - remove_test
    - set_password 
    - create_user

- name: 02-start
  service:
    name: mariadb
    state: started

- name: 03-copy_conf
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
  loop:
    - { src: my.cnf.j2,            dest: /etc/my.cnf }
    - { src: client.cnf.j2,        dest: /etc/my.cnf.d/client.cnf }
    - { src: server.cnf.j2,        dest: /etc/my.cnf.d/server.cnf }
    - { src: mysql-clients.cnf.j2, dest: /etc/my.cnf.d/mysql-clients.cnf }
  notify:
    - restart_mysql

- name: 04-copy_sql
  copy: 
    src: web.sql
    dest: /tmp/web.sql
  notify:
    - import_sql

2.handlers内容

- name: remove_user
  mysql_user:
    name: ''
    host_all: yes
    state: absent

- name: remove_test 
  mysql_db: 
    name: test
    state: absent

- name: set_password
  mysql_user:
    name: root
    password: '123456'

- name: create_user
  mysql_user:
    login_user: root
    login_password: '123456'
    name: web
    password: oldboy123
    host: '172.16.1.%'
    priv: '*.*:ALL,GRANT'
    state: present

- name: restart_mysql
  service:
    name: mariadb
    state: restarted 

- name: import_sql
  mysql_db:
    login_user: root
    login_password: '123456'
    name: all
    state: import
    target: /tmp/web.sql