mysql 巡检脚本V1

#!/bin/sh
[email protected]

export black=‘\033[0m‘
export boldblack=‘\033[1;0m‘
export red=‘\033[31m‘
export boldred=‘\033[1;31m‘
export green=‘\033[32m‘
export boldgreen=‘\033[1;32m‘
export yellow=‘\033[33m‘
export boldyellow=‘\033[1;33m‘
export blue=‘\033[34m‘
export boldblue=‘\033[1;34m‘
export magenta=‘\033[35m‘
export boldmagenta=‘\033[1;35m‘
export cyan=‘\033[36m‘
export boldcyan=‘\033[1;36m‘
export white=‘\033[37m‘
export boldwhite=‘\033[1;37m‘

cecho ()

## -- Function to easliy print colored text -- ##
 
 # Color-echo.
 # 参数 $1 = message
 # 参数 $2 = color
{
local default_msg="No message passed."

message=${1:-$default_msg} # 如果$1没有输入则为默认值default_msg.
color=${2:-black}  # 如果$1没有输入则为默认值black.

case $color in
 black)
   printf "$black" ;;
 boldblack)
   printf "$boldblack" ;;
 red)
   printf "$red" ;;
 boldred)
   printf "$boldred" ;;
 green)
   printf "$green" ;;
 boldgreen)
   printf "$boldgreen" ;;
 yellow)
   printf "$yellow" ;;
 boldyellow)
   printf "$boldyellow" ;;
 blue)
   printf "$blue" ;;
 boldblue)
   printf "$boldblue" ;;
 magenta)
   printf "$magenta" ;;
 boldmagenta)
   printf "$boldmagenta" ;;
 cyan)
   printf "$cyan" ;;
 boldcyan)
   printf "$boldcyan" ;;
 white)
   printf "$white" ;;
 boldwhite)
   printf "$boldwhite" ;;
esac
  printf "%s\n"  "$message"
  tput sgr0   # tput sgr0即恢复默认值
  printf "$black"

return
}

cechon ()  

 # Color-echo.
 # 参数1 $1 = message
 # 参数2 $2 = color
{
local default_msg="No message passed."
    # Doesn‘t really need to be a local variable.

message=${1:-$default_msg} # 如果$1没有输入则为默认值default_msg.
color=${2:-black}  # 如果$1没有输入则为默认值black.

case $color in
 black)
  printf "$black" ;;
 boldblack)
  printf "$boldblack" ;;
 red)
  printf "$red" ;;
 boldred)
  printf "$boldred" ;;
 green)
  printf "$green" ;;
 boldgreen)
  printf "$boldgreen" ;;
 yellow)
  printf "$yellow" ;;
 boldyellow)
  printf "$boldyellow" ;;
 blue)
  printf "$blue" ;;
 boldblue)
  printf "$boldblue" ;;
 magenta)
  printf "$magenta" ;;
 boldmagenta)
  printf "$boldmagenta" ;;
 cyan)
  printf "$cyan" ;;
 boldcyan)
  printf "$boldcyan" ;;
 white)
  printf "$white" ;;
 boldwhite)
  printf "$boldwhite" ;;
esac
  printf "%s"  "$message"
  tput sgr0   # tput sgr0即恢复默认值
  printf "$black"

return
}

#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

#1.the server infomation
echo "the system basic infomation:"
echo "***********************************************************************"
echo
hostname=`hostname`  #主机名

ipaddress=`ifconfig |grep ‘inet addr:‘| grep -v ‘127.0.0.1‘ | cut -d: -f2 | awk ‘{ print $1}‘` #IP地址

gtway=`cat  /etc/sysconfig/network|grep GATEWAY|awk -F "=" ‘{print $2}‘` #网关

cpuinfo=`cat /proc/cpuinfo|grep "name"|cut -d: -f2 |awk ‘{print "*"$1,$2,$3,$4}‘|uniq -c` #cpu

phmem=`dmidecode | grep -A 16 "Memory Device$" |grep Size:|grep -v "No Module Installed"|awk ‘{print "*" $2,$3}‘|uniq -c` #物理内存数量

sysver=`cat /etc/issue | head -1` #--系统版本

kerver=`uname -a  |awk ‘{print $3}‘`  #内核版本

#mem usage
mem_total=$(free -m |grep Mem|awk ‘{print $2}‘)
mem_used=$(free -m |grep Mem|awk ‘{print $3}‘)
mem_rate=`expr $mem_used/$mem_total*100|bc -l`

cechon "1.1 server hostname is:" red
echo ${hostname}

cechon "1.2 server ipaddree is: " red
echo  ${ipaddress}

cechon "1.3 server gateway is: " red
echo ${gtway}

cechon "1.4 server cpuinfo is: " red
echo ${cpuinfo}

cechon "1.5 server Physical memory number is: " red
echo ${phmem}

cechon "1.6 server version  is: " red
echo ${sysver}

cechon "1.7 server system kernel version is: " red
echo ${kerver}

cechon "1.8 server Physical memory number is:" red
echo  ${phmem}

cechon "1.9 server  memory usage rate is: " red
echo ${mem_rate:0:5}%

cechon "1.10 server  disk usage  is: " red
echo
#disk usage
df -H |awk -F ‘\t‘ ‘{ print $1,$2,$3,$4,$5,$6}‘

echo
cechon "1.11 server  CPU load average  is: " red
echo
uptime | awk ‘BEGIN{print "1min, 5min, 15min"}   {print $10,$11,$12}‘

echo
cechon "1.12 server  started services   is: " red
echo
chkconfig --list | grep on
echo

echo
cechon "1.13 server  CPU free   is: " red
top -b -n 1 | grep Cpu | awk ‘{print $5}‘ | cut -f 1 -d "."
echo

cechon "1.14 mysql ESTABLISHED connect   is: " red
echo
netstat -an -t | grep ":3306" | grep ESTABLISHED | awk ‘{printf "%s %s\n",$5,$6}‘ | sort |sed  ‘s/^::ffff://‘
echo

cechon "1.15 server  ESTABLISHED  TCP connect number   is: " red
echo
netstat -n | awk ‘/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}‘
echo

echo
echo "***********************************************************************"
echo

#2.mysql版本
v_01="select @@version;"
v_02="v02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${v_01}" >${v_02}
v_03=`cat ${v_02} | grep -v @@version`
cechon "2.1 mysql runing version is: ${v_03} " red
echo "                                                                           "
rm -rf ${v_02}
mysql_port=`cat /usr/local/mysql/my.cnf |grep port| sed -n 1p`
cechon "2.2 mysql port is: ${mysql_port} " red
echo "                                                                           "

#3.系统mysql的进程数
mysql_processnum=`ps -ef | grep "mysql" | grep -v "grep" | wc -l`
cechon "3. mysql process number is: ${mysql_processnum} " red
echo "                                                                           "

#4.客户端连接的mysql进程数

conn_01="conn01.`date +%Y%m%d%H%M%S`.txt"
conn_02="show processlist;"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${conn_02}" | grep -v Id >${conn_01}
client_conn_num=`cat ${conn_01} |wc -l`
cechon "4. mysql client connect number  is: ${client_conn_num} " red
echo "                                                                           "
rm -rf ${conn_01}

#5.QPS(每秒事务量)

qps_01="show global status like ‘Questions‘;"
qps_re="qpsre.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${qps_01}" |grep -v Variable_name \
|cut -f 2 >${qps_re}
qps_02=`cat ${qps_re}`
qps_03=`cat /proc/uptime |awk ‘{print $1}‘`  
qps_04=`awk ‘BEGIN{print ‘${qps_02}‘ / ‘${qps_03}‘}‘` #shell默认不支持浮点运算
cechon "5. current mysql server QPS is: ${qps_04:0:5} " red
echo "                                                                           "
rm -rf ${qps_re}

#6.TPS(每秒事务量)
tps_01="show  status where Variable_name in(‘Com_commit‘); "
tps_02="show  status where Variable_name in(‘Com_rollback‘); "
tps_re01="tpsre01.`date +%Y%m%d%H%M%S`.txt"
tps_re02="tpsre02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${tps_01}" |grep -v Variable_name \
|cut -f 2 >${tps_re01}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${tps_02}" |grep -v Variable_name \
|cut -f 2 >${tps_re02}
tps_03=`cat ${tps_re01}`
tps_04=`cat ${tps_re02}`
tps_sum=`awk ‘BEGIN{print ‘${tps_03}‘ + ‘${tps_04}‘}‘` #shell默认不支持浮点运算
tps_uptime=`cat /proc/uptime |awk ‘{print $1}‘`
tps_avg=`awk ‘BEGIN{print ‘${tps_sum}‘ / ‘${tps_uptime}‘}‘` #shell默认不支持浮点运算
cechon "6. current mysql server TPS is: ${tps_avg} " red
echo "                                                                           "
rm -rf ${tps_re01}
rm -rf ${tps_re02}

#7.key Buffer 命中率

#key_buffer_read_hits = (1-key_reads / key_read_requests) * 100%

kbrd_01="show  status like ‘Key_reads‘; "
kbrd_02="show  status like ‘Key_read_requests‘; "
kbrd_re01="kbrd01.`date +%Y%m%d%H%M%S`.txt"
kbrd_re02="kbrd02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${kbrd_01}" |grep -v Variable_name \
|cut -f 2 >${kbrd_re01}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${kbrd_02}" |grep -v Variable_name \
|cut -f 2 >${kbrd_re02}

kbrd_03=`cat ${kbrd_re01}`
kbrd_04=`cat ${kbrd_re02}`

if [ "${kbrd_03}" -eq 0 ];then
 cechon "7.1 there is no any value!" green
 echo "                                                                           "
else
 kbrd_05=`awk ‘BEGIN{print ‘${kbrd_03}‘ / ‘${kbrd_04}‘}‘` #shell默认不支持浮点运算
 kbrd_06=`awk ‘BEGIN{print ‘1-${kbrd_05}‘}‘` #shell默认不支持浮点运算
 key_buffer_read_hits=`awk ‘BEGIN{print ‘${kbrd_06}‘ * 100}‘`
 cechon "7.1 current mysql key_buffer_read_hits is: ${key_buffer_read_hits:0:5}% " red
 echo "                                                                           "
fi
 

rm -rf ${kbrd_re01}
rm -rf ${kbrd_re02}

#key_buffer_write_hits = (1-key_writes / key_write_requests) * 100%

kbwd_01="show  status like ‘Key_writes‘; "
kbwd_02="show  status like ‘Key_write_requests‘; "
kbwd_re01="kbwd01.`date +%Y%m%d%H%M%S`.txt"
kbwd_re02="kbwd02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${kbwd_01}" |grep -v Variable_name \
|cut -f 2 >${kbwd_re01}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${kbwd_02}" |grep -v Variable_name \
|cut -f 2 >${kbwd_re02}

kbwd_03=`cat ${kbwd_re01}`
kbwd_04=`cat ${kbwd_re02}`

if [ "${kbwd_03}" -eq 0  ] ;then
 cechon "7.2 there is no any value!" green
 echo "                                                                           "
else
 kbwd_05=`awk ‘BEGIN{print ‘${kbwd_03}‘ / ‘${kbwd_04}‘}‘` #shell默认不支持浮点运算
 kbwd_06=`awk ‘BEGIN{print ‘1-${kbwd_05}‘}‘` #shell默认不支持浮点运算
 key_buffer_write_hits=`awk ‘BEGIN{print ‘${kbwd_06}‘ * 100}‘`
 cechon "7.2 current mysql key_buffer_write_hits is: ${key_buffer_write_hits:0:5}% " red
 echo "                                                                           "
fi

rm -rf  ${kbwd_re01}
rm -rf  ${kbwd_re02}

#8.InnoDB Buffer命中率
#Innodb_buffer_read_hits = (1 - innodb_buffer_pool_reads / innodb_buffer_pool_read_requests) * 100%
innob_01="show  status like ‘Innodb_buffer_pool_reads‘; "
innob_02="show  status like ‘Innodb_buffer_pool_read_requests‘; "
innob_re01="innob_re01.`date +%Y%m%d%H%M%S`.txt"
innob_re02="innob_re02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${innob_01}" |grep -v Variable_name \
|cut -f 2 >${innob_re01}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${innob_02}" |grep -v Variable_name \
|cut -f 2 >${innob_re02}

innob_03=`cat ${innob_re01}`
innob_04=`cat ${innob_re02}`
if [ "${innob_03}" -eq 0  ] ;then
 cechon "8. there is no any value!" green
 echo "                                                                           "
else
 innob_05=`awk ‘BEGIN{print ‘${innob_03}‘ / ‘${innob_04}‘}‘` #shell默认不支持浮点运算
 innob_06=`awk ‘BEGIN{print ‘1-${innob_05}‘}‘` #shell默认不支持浮点运算
 innodb_buffer_read_hits=`awk ‘BEGIN{print ‘${innob_06}‘ * 100}‘`
 cechon "8. current mysql Innodb_buffer_read_hits is: ${innodb_buffer_read_hits:0:5}% " red
 echo "                                                                           "
fi
rm -rf ${innob_re01}
rm -rf ${innob_re02}

#9.Query Cache命中率
#Query_cache_hits =((Qcache_hits/(Qcache_hits+Qcache_inserts+Qcache_not_cached))*100)

qc_01="show  status like ‘Qcache_hits‘; "
qc_02="show  status like ‘Qcache_inserts‘; "
qc_03="show  status like ‘Qcache_not_cached‘; "

qc_re01="qc_re01.`date +%Y%m%d%H%M%S`.txt"
qc_re02="qc_re02.`date +%Y%m%d%H%M%S`.txt"
qc_re03="qc_re03.`date +%Y%m%d%H%M%S`.txt"

mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${qc_01}" |grep -v Variable_name \
|cut -f 2 >${qc_re01}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${qc_02}" |grep -v Variable_name \
|cut -f 2 >${qc_re02}
mysql -h${MYSQL_HOST} -u${MYSQL_USER} -p${MYSQL_PASS} -e"${qc_03}" |grep -v Variable_name \
|cut -f 2 >${qc_re03}

qc_04=`cat ${qc_re01}`
qc_05=`cat ${qc_re02}`
qc_06=`cat ${qc_re03}`

if [ "${qc_04}" -eq 0  ] ;then
 cechon "9. there is no any value!" green
 echo "                                                                           "
else
 qc_07=`awk ‘BEGIN{print ‘${qc_04}‘ + ‘${qc_05}‘ + ‘${qc_06}‘ }‘`
 qc_08=`awk ‘BEGIN{print  ‘${qc_04}‘/‘${qc_07}‘}‘`
 query_cache_hits=`awk ‘BEGIN{print ‘${qc_08}‘ * 100}‘`
 cechon "9. current mysql query_cache_hits is: ${query_cache_hits:0:5}% " red
 echo "                                                                           "
fi
rm -rf ${qc_re01}
rm -rf ${qc_re02}
rm -rf ${qc_re03}