Shell-Check Redis

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REDIS=/usr/local/bin/redis-cli
REDIS_STATUS=1
CHECK_TIME=3

function check_redis_status()
{  
$REDIS PING >/dev/null 2>&1

if [ $? = 0 ];
then 
	REDIS_STATUS=1 
else 
	REDIS_STATUS=0
fi 
return $REDIS_STATUS
} 

while [ $CHECK_TIME -ne 0 ];
do 
let "CHECK_TIME -= 1" 

check_redis_status 

if [ $REDIS_STATUS = 1 ]; 
then 
	REDIS_STATUS=1
	exit 0
fi 

if [ $REDIS_STATUS -eq 0 ] && [ $CHECK_TIME -eq 0 ];
then 
	/etc/init.d/keepalived stop 
	exit 1 
fi 
sleep 1

done

Shell-Check Redis

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原文地址：http://blog.csdn.net/jxzkin/article/details/42487101