http://repo.mysql.com/yum/mysql-8.0-community/el/7/x86_64/mysql-community-client-8.0.21-1.el7.x86_64.rpm
http://repo.mysql.com/yum/mysql-8.0-community/el/7/x86_64/mysql-community-server-8.0.21-1.el7.x86_64.rpm
http://repo.mysql.com/yum/mysql-8.0-community/el/7/x86_64/mysql-community-client-8.0.21-1.el7.x86_64.rpm
http://repo.mysql.com/yum/mysql-8.0-community/el/7/x86_64/mysql-community-server-8.0.21-1.el7.x86_64.rpm