import configparser

import os

def config_mariadb_yum():

exists = os.path.exists('/etc/yum.repos.d/mariadb.repo')

if exists:

print('mariadb.repo文件已經存在')

yum_install_mariadb()

else:

config = configparser.ConfigParser()

config.read('/etc/yum.repos.d/mariadb.repo', encoding='utf-8')

config.add_section('mariadb')

config.set('mariadb', 'name', 'MariaDB')

config.set('mariadb', 'baseurl', 'http://mirrors.ustc.edu.cn/mariadb/yum/10.3/centos7-amd64/')

config.set('mariadb', 'gpgkey', 'http://mirrors.ustc.edu.cn/mariadb/yum/RPM-GPG-KEY-MariaDB')

config.set('mariadb', 'gpgcheck', '1')

config.write(open("/etc/yum.repos.d/mariadb.repo", "w"))

yum_install_mariadb()

def yum_install_mariadb():

res1 = os.system('yum install MariaDB -y > /dev/null 2&>1')

if res1 == 0:

config = configparser.ConfigParser()

config.read('/etc/my.cnf.d/server.cnf', encoding='utf-8')

config.set('server','server_id','1')

config.set('server','log-bin','mysql-bin')

config.write(open("/etc/my.cnf.d/server.cnf", "w"))

res2 = os.system('service mariadb restart')

if res2 == 0:

os.system('mysql_secure_installation')

os.system('''mysql -uroot -proot -e "grant replication slave on *.* to 'slave'@'%' identified by 'slave'"''')

os.system("mysql -uroot -proot -e 'show master status'")

def main():

config_mariadb_yum()

if __name__ == '__main__':

main()

slave

import configparser

import os

master_ip = input('master_ip:').strip()

log_file = input('log_file:').strip()

pos = input('pos:').strip()

def config_mariadb_yum():

exists = os.path.exists('/etc/yum.repos.d/mariadb.repo')

if exists:

print('mariadb.repo文件已經存在')

yum_install_mariadb()

else:

config = configparser.ConfigParser()

config.read('/etc/yum.repos.d/mariadb.repo', encoding='utf-8')

config.add_section('mariadb')

config.set('mariadb', 'name', 'MariaDB')

config.set('mariadb', 'baseurl', 'http://mirrors.ustc.edu.cn/mariadb/yum/10.3/centos7-amd64/')

config.set('mariadb', 'gpgkey', 'http://mirrors.ustc.edu.cn/mariadb/yum/RPM-GPG-KEY-MariaDB')

config.set('mariadb', 'gpgcheck', '1')

config.write(open("/etc/yum.repos.d/mariadb.repo", "w"))

yum_install_mariadb()

def yum_install_mariadb():

res1 = os.system('yum install MariaDB -y > /dev/null 2&>1')

if res1 == 0:

config = configparser.ConfigParser()

config.read('/etc/my.cnf.d/server.cnf', encoding='utf-8')

config.set('server','server_id','2')

config.write(open("/etc/my.cnf.d/server.cnf", "w"))

res2 = os.system('service mariadb restart')

if res2 == 0:

os.system('mysql_secure_installation')

os.system('''mysql -uroot -proot -e "CHANGE MASTER TO MASTER_HOST='%s', MASTER_USER='slave', MASTER_PASSWORD='slave', MASTER_LOG_FILE='%s', MASTER_LOG_POS=%s"''' % (master_ip,log_file,pos))

os.system("mysql -uroot -proot -e 'start slave;'")

def main():

config_mariadb_yum()

if __name__ == '__main__':

main()