1、配置文件

ll /ansible
-rw-r--r-- 1 root root        836 Sep 22 12:09 my.cnf
-rw-r--r-- 1 root root        810 Sep 22 07:21 mysql.service
-rw-r--r-- 1 root root       2731 Sep 22 12:32 mysql.yam

2、my.cnf内容

root@bole:/ansible# cat my.cnf 
[mysql]
#设置mysql客户端默认字符集
default-character-set=utf8mb4
[mysqld]
skip-name-resolve
user=mysql
ngram_token_size=2
server-id=1
default_password_lifetime=0
port=3306
#设置安装目录
basedir=/app/mysql
#数据存放目录
datadir=/app/mysql/data
log-error=/app/mysql/logs/err.log
#允许最大连接数
max_connections=1000
#服务端默认使用的字符集
character-set-server=utf8mb4
#创捷新表时默认的储存引擎
default-storage-engine=INNODB
#忘记密码时使用
#skip-grant-tables
#不区分大小写
lower_case_table_names=1
#认证方式
default_authentication_plugin=mysql_native_password
max_allowed_packet=500M
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
wait_timeout=28800
interactive_timeout=28800
max_connect_errors=100
max_user_connections=0
#日志文件大小
max_binlog_size=100M

3、mysql.service内容

root@bole:/ansible# cat mysql.service 
[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target[Install]
WantedBy=multi-user.target[Service]
User=mysql
Group=mysql# Have mysqld write its state to the systemd notify socket
Type=notify# Disable service start and stop timeout logic of systemd for mysqld service.
TimeoutSec=0# Start main service
ExecStart=/app/mysql/bin/mysqld --defaults-file=/app/mysql/conf/my.cnf $MYSQLD_OPTS# Use this to switch malloc implementation
EnvironmentFile=-/etc/sysconfig/mysql# Sets open_files_limit
LimitNOFILE=10000Restart=on-failure
RestartPreventExitStatus=1# Set environment variable MYSQLD_PARENT_PID. This is required for restart.
Environment=MYSQLD_PARENT_PID=1PrivateTmp=false

4、mysql.yaml的内容

root@bole:/ansible# cat mysql.yaml 
- name: Install MySQLhosts: 192.168.10.102gather_facts: no#创建用户组tasks:- name: Create MySQL groupgroup:name: mysqlsystem: yesgid: 306- name: Create MySQL useruser:name: mysqlshell: /sbin/nologinsystem: yesgroup: mysqluid: 306home: /data/mysqlcreate_home: no#将shell的标准输出赋予 id_output- name: Check creation of user and groupshell: id mysqlregister: id_output#将标准输出打印，加stdout即使捕获register模块的标准输出- name: Print output of 'id mysql'debug:var: id_output.stdout#创建app目录- name: Create directory for MySQL installationfile:path: /appstate: directorymode: 0755#下载mysql的tar包并将其解压- name: Unzip MySQL tarballblock:- name: Download MySQL tarballget_url:url: https://cdn.mysql.com/Downloads/MySQL-8.0/mysql-8.0.39-linux-glibc2.28-x86_64.tardest: /app- name: Unzip MySQL tarball to temporary directoryunarchive:src: /app/mysql-8.0.39-linux-glibc2.28-x86_64.tardest: /appcopy: no- name: Tar.xz Mysqlunarchive:src: /app/mysql-8.0.39-linux-glibc2.28-x86_64.tar.xzdest: /appcopy: no- name: Move MySQL directory to final locationshell: mv /app/mysql-8.0.39-linux-glibc2.28-x86_64 /app/mysqlargs:creates: /app/mysql- name: Set ownership and permissions for MySQL directoryfile:path: /app/mysqlstate: directoryowner: mysqlgroup: mysqlmode: 0755#创建所需的目录- name: Create MySQL directoriesfile:path: "{{ item }}"state: directoryowner: mysqlgroup: mysqlmode: 0755with_items:- /app/mysql- /app/mysql/logs- /app/mysql/conf- /app/mysql/data#安装依赖- name: Install dependenciesapt:name:- libaio1- libaio-dev- libncurses5-devupdate_cache: yes#拷贝配置文件及service文件- name: Copy MySQL configuration filescopy:src: /ansible/my.cnfdest: /app/mysql/confowner: mysqlgroup: mysqlmode: 0644- name: Copy Mysql.servicecopy:src: /ansible/mysql.servicedest: /usr/lib/systemd/systemowner: rootgroup: rootmode: 0644#安装mysql并启动- name: Initialize MySQLshell: /app/mysql/bin/mysqld --defaults-file=/app/mysql/conf/my.cnf --initializeenvironment:MYSQL_ROOT_PASSWORD: your_root_password_here- name: Start MySQL servicesystemd:name: mysqlstate: startedenabled: yes

5、验证查看

root@ab2:~# systemctl status mysql
● mysql.service - MySQL ServerLoaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)Active: active (running) since Sun 2024-09-22 12:33:40 UTC; 18min agoDocs: man:mysqld(8)http://dev.mysql.com/doc/refman/en/using-systemd.htmlMain PID: 4001 (mysqld)Status: "Server is operational"Tasks: 38 (limit: 4513)Memory: 361.7MCPU: 8.028sCGroup: /system.slice/mysql.service└─4001 /app/mysql/bin/mysqld --defaults-file=/app/mysql/conf/my.cnfSep 22 12:33:40 ab2 systemd[1]: Starting MySQL Server...
Sep 22 12:33:40 ab2 systemd[1]: Started MySQL Server.

6、登录验证

#获取密码
root@ab2:~# cat /app/mysql/logs/err.log |grep 'temporary password'
2024-09-22T12:33:37.597706Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: QEJw-p,=:8(.
#登录
mysql -uroot -p 'QEJw-p,=:8(.'#修改密码
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.00 sec)