1、安装redis
yum -y install redis
2、修改redis配置
vim /etc/redis.conf
找到redis.conf 并修改 daemonize no 为 daemonize yes
3、启动redis
redis-server /etc/redis.conf
4、安装插件
pip install redis
5、修改ansible.cfg文件
gathering = smart
fact_caching = redis
fact_caching_timeout = 86400
fact_caching_connection = localhost:6379
#fact_caching_connection = localhost:6379:0:admin(设置了redis用户密码)