#connets.sh
#!/bin/sh
#ocpyang@
#根据输入参数u或d来显示出对应的用户名或数据库名中用户的连接数.
#也可以输入u 具体用户名或d 具体数据库名做进一步的分组筛选
#set mysql evn
MYSQL_USER=system #mysql的用户名
MYSQL_PASS='password' #mysql的登录用户密码
MYSQL_HOST=192.168.2.188
if [ "$#" -lt 1 ];then
echo "**********************************"
echo "you must input paraters"
echo "**********************************"
echo "USAGE01: $0 d |$0 d database_name"
echo "eg01: $0 d|$0 d mysql"
echo "USAGE02: $0 u |$0 u username"
echo "eg02: $0 u |$0 u wind"
exit 1;
fi
#Case conversion
ipt=`echo $1 |tr '[a-z]' '[A-Z]'`
#source /usr/local/mysql/scripts/mysql_env.ini
logfiledate_init="tmpinit.`date +%Y%m%d%H%M%S`.txt"
logfiledate_midd="tmpmidd.`date +%Y%m%d%H%M%S`.txt"
judegedate_01="judegedate01.`date +%Y%m%d%H%M%S`.txt"
judegedate_02="judegedate02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"show processlist;" >${logfiledate_init}
if [ "$#" -eq 1 ]; then
if [ "$ipt" = 'D' ];then
awk '{tt[$4]++} BEGIN { printf "%-20s %-20s\n" ,"dbname","connect";} END{for (i in tt) printf "%-20s %-20s\n" ,i,tt[i]}' ${logfiledate_init} | grep -v "NULL"
elif [ "$ipt" = 'U' ];then
awk '{tt[$2]++} BEGIN { printf "%-20s %-20s\n" ,"username","connect";} END{for (i in tt) printf "%-20s %-20s\n" ,i,tt[i]}' ${logfiledate_init} | grep -v "NULL"
else
echo "**************************************************************"
echo "输入错误!"
echo "**************************************************************"
fi
elif [ "$#" -eq 2 ]; then
grep -i $2 ${logfiledate_init} > ${logfiledate_midd}
if [ "$ipt" = 'D' ];then
SCHEMA_JUDEGE01="select schema_name from information_schema.schemata where schema_name='$2';"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${SCHEMA_JUDEGE01}" >${judegedate_01}
if [ ! -s "${judegedate_01}" ];then
echo "**************************************************************"
echo "you input schema_name $2 not exits,pleae check your schema_name"
echo "**************************************************************"
rm -rf ${SCHEMA_JUDEGE01}
exit 0
else
awk '{tt[$4]++} BEGIN { printf "%-20s %-20s\n" ,"dbname","connect";} END{for (i in tt) printf "%-20s %-20s\n" ,i,tt[i]}' ${logfiledate_midd} | grep -v "NULL"
fi
elif [ "$ipt" = 'U' ];then
SCHEMA_JUDEGE02="select user from mysql.user where user='$2';"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${SCHEMA_JUDEGE02}" >${judegedate_02}
if [ ! -s "${judegedate_02}" ];then
echo "**************************************************************"
echo "you input username $2 not exits,pleae check your user_name"
echo "**************************************************************"
rm -rf ${SCHEMA_JUDEGE02}
exit 0
else
awk '{tt[$2]++} BEGIN { printf "%-20s %-20s\n" ,"username","connect";} END{for (i in tt) printf "%-20s %-20s\n" ,i,tt[i]}' ${logfiledate_midd} | grep -v "NULL"
fi
else
echo "**************************************************************"
echo "输入错误!"
echo "**************************************************************"
fi
fi
#清除临时文件
rm -rf ${logfiledate_init}
rm -rf ${logfiledate_midd}
rm -rf ${judegedate_01}
rm -rf ${judegedate_02}