yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel
参照：https://blog.51cto.com/13544424/2149473
解决缺少SSL问题(安装1.1.1版本)，然后往下走
./configure prefix=/usr/local/python3 --with-openssl=/usr/local/openssl
make && make install
/usr/local/python3/bin/python3 -m pip install --upgrade pip
/usr/local/python3/bin/python3 -m pip install redis