代码如下:
def get_data(conn):
query = 'select user,host from mysql.user order by user'
cursor = conn.cursor()
cursor.execute(query)
lines = cursor.fetchall()
return lines
def output_data(conn,rows):
for user,host in rows:
query = "show grants for '%s'@'%s'" %(user,host)
cursor = conn.cursor()
cursor.execute(query)
show_pri = cursor.fetchall()
for grants_command in show_pri:
print ''.join(grants_command)+';'
print ''
if __name__ =='__main__':
conn = MySQLdb.connect(host='localhost',user='root',passwd='123456',db='mysql',port=3306,charset='utf8')
rows = get_data(conn)
output_data(conn,rows)
运行:python mysql_user_dump.py
代码如下:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9' WITH GRANT OPTION;
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.234.%' IDENTIFIED BY PASSWORD '*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9';
GRANT USAGE ON *.* TO 'test'@'192.168.234.%' IDENTIFIED BY PASSWORD '*2A032F7C5BA932872F0F045E0CF6B53CF702F2C5';
GRANT SELECT, INSERT, UPDATE, DELETE ON `test`.* TO 'test'@'192.168.234.%';
GRANT USAGE ON *.* TO 'zzz_test'@'192.168.234.%' IDENTIFIED BY PASSWORD '*2A032F7C5BA932872F0F045E0CF6B53CF702F2C5';
GRANT SELECT, INSERT, UPDATE, DELETE ON `zzz%`.* TO 'zzz_test'@'192.168.234.%';
最后把这些命令在B上面执行就好了,也可以在执行脚本的时候重定向到一个sql文件:如:user.sql,在到B服务器的数据库里面执行source user.sql 就完成了导入工作。
第2个方法最好,不需要1里面的删表和重建表的操作,最安全。
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