mysql复制延迟监控脚本

#!/bin/sh
#[email protected]
#repdelay.sh
#查看复制延迟具体多少event

#####1.juede the rep slave status 

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
}


####2.jude the rep delay status 

#configure rep master and slave env

masterhost="192.168.99.137"
slavehost="192.168.1.220"
mysql_user=root  #mysql的用户名
mysql_pass='123'  #mysql的登录用户密码



SQLresponse=`mysql -h${slavehost} -u${mysql_user} -p${mysql_pass} mysql -e "show slave status \G" |grep '\<Slave_SQL_Running\>'|awk '{print $2}'`
IOresponse=`mysql -h${slavehost} -u${mysql_user} -p${mysql_pass} mysql -e "show slave status \G" |grep '\<Slave_IO_Running\>'|awk '{print $2}'`
Behind=`mysql -h${slavehost} -u${mysql_user} -p${mysql_pass} mysql -e "show slave status \G" |grep '\<Seconds_Behind_Master\>'|awk '{print $2}'`



if [ "$SQLresponse" = "No" ]; then
	echo "                                                                           "
	error="mysql服务器($slavehost)的复制已经停止工作:Slave_SQL_Running: No;无法获取复制延迟情况."
	cechon  "${error}" red
	echo "                                                                           "
	exit 0


fi


if [ "$IOresponse" = "No" ]; then
	echo "                                                                           "
	error="mysql服务器($slavehost)的复制已经停止工作:Slave_IO_Running: No;无法获取复制延迟情况."
	cechon  "${error}" red
	echo "                                                                           "
	exit 0
	
fi




#set mysql evn
MYSQL_USER_MASTER=root  
MYSQL_PASS_MASTER='123'  
MYSQL_HOST_MASTER=192.168.99.137

MYSQL_USER_SLAVE=root  
MYSQL_PASS_SLAVE='123'  
MYSQL_HOST_SLAVE=192.168.1.220



tmpfile_01="tmp01.`date +%Y%m%d%H%M%S`.txt"
tmpfile_02="tmp02.`date +%Y%m%d%H%M%S`.txt"
mysql -h${MYSQL_HOST_MASTER} -u${MYSQL_USER_MASTER} -p${MYSQL_PASS_MASTER} -e"SHOW BINARY LOGS;" >${tmpfile_01}
mysql -h${MYSQL_HOST_SLAVE} -u${MYSQL_USER_SLAVE} -p${MYSQL_PASS_SLAVE} -e"SHOW SLAVE STATUS\G;" >${tmpfile_02}





#tail -1 ${tmpfile_01} | grep -v "Log_name"
#cat ${tmpfile_02} | grep -E 'Master_Log_File|Read_Master_Log_Pos|Exec_Master_Log_Pos' | grep -v "Relay_Master_Log_File" |sed 's/^[ ]*//g'
a=`tail -1 ${tmpfile_01} | grep -v "Log_name" |awk '{print $1}'|awk -F "." '{print $2}'`
b=`sed -n "/\<Relay_Master_Log_File\>/p" ${tmpfile_02} |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'|awk -F "." '{print $2}'`
bhtime=`sed -n "/\<Seconds_Behind_Master\>/p" ${tmpfile_02} |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'`



if [ "$b" = "$a"  ];then
	c=`tail -1 ${tmpfile_01} | grep -v "Log_name" |awk '{print $2}'`
	d=`sed -n "/\<Read_Master_Log_Pos\>/p" ${tmpfile_02}  |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'`
	k=`sed -n "/\<Exec_Master_Log_Pos\>/p" ${tmpfile_02}  |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'`
        e=`expr $c - $d`
	dfevt=`expr $d - $k`
	if [ "${e}" -eq 0  -a "${bhtime}" -eq 0 -a "${k}" -eq 0   ] ; then
		echo "*****************************************************************************"
		echo -e "\e[1;31m  &&&&&&&Synchronization has been completed!&&&&&&& \e[0m"
		echo "*****************************************************************************"
	elif [  "${e}" -eq 0  -o "${bhtime}" -gt 0    ] ; then
		echo "*****************************************************************************"
		echo -e "\e[1;31m  Has been synchronized to the same log file! Wait a moment \e[0m"
		echo -e "\e[1;31m Not synchronized binlog events is:${dfevt},behind master tims is ${bhtime} \e[0m"
		echo "*****************************************************************************"
	fi

elif  [ ${b} -lt ${a} ];then
	exbin=`sed -n "/\<Exec_Master_Log_Pos\>/p" ${tmpfile_02}  |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'`
	y=`sed -n "/\<Relay_Master_Log_File\>/p" ${tmpfile_02}  |sed 's/^[ ]*//g' |awk -F ":" '{print $2}'`
	#u=`awk '{if($1~/'''''$y'''''/ ) print NR}' ${tmpfile_01}`
	u=`grep -n "$y" ${tmpfile_01}|awk -F: '{print $1'}`
	x=`awk 'NR>='''$u''' { print $0}' ${tmpfile_01}|awk 'BEGIN{total=0}{total+=$2}END{print total}' `
	re=`expr $x - $exbin`
	echo -e "\e[1;31m There are multiple log files are not synchronized,the  events is:${re} \e[0m"
fi


rm -rf ${tmpfile_01}

rm -rf ${tmpfile_02}