package dao import ( "context" "go-common/library/log" ) // pingRedis ping redis. func (d *Dao) pingRedis(c context.Context) (err error) { conn := d.redis.Get(c) defer conn.Close() if _, err = conn.Do("SET", "PING", "PONG"); err != nil { PromError("redis: ping remote") log.Error("remote redis: conn.Do(SET,PING,PONG) error(%v)", err) } return }