mysql主从监控脚本含自动配置发Gmail邮件客户端

常用脚本备份

自动配置msmtp，使用mail发邮件
#!/bin/bash
SRC=/usr/local/src
cd $SRC
#install msmtp client
# if your want support TLS/SSL,install openssl-devel
# yum install -y openssl-devel  //
wget http://nchc.dl.sourceforge.net/project/msmtp/msmtp/1.4.28/msmtp-1.4.28.tar.bz2
tar xjf msmtp-1.4.28.tar.bz2
cd msmtp-1.4.28
./configure --prefix=/usr/local/msmtp && make && make install
cd /usr/local/msmtp/
mkdir etc
echo 'account gmail
host smtp.gmail.com
from [email protected]
auth on
tls on
tls_starttls on
tls_force_sslv3 on
tls_trust_file /usr/local/msmtp/etc/gmail.crt
user [email protected]
password 1234567890
port 587
syslog off
logfile /tmp/msmtp.log
account default: gmail'  >  /usr/local/msmtp/etc/msmtprc
wget -O /usr/local/msmtp/etc/gmail.crt http://www.geotrust.com/resources/extended-validation-ssl/certs/Equifax%20Secure%20Certificate%20Authority.crt
ln -s /usr/local/msmtp/bin/msmtp /usr/bin/
echo "set sendmail=/usr/bin/msmtp" >> /etc/mail.rc

脚本2 <监控mysql服务器主从,来自抚琴煮酒>
#!/bin/bash
#check MySQL_Slave Status
#crontab time every 10 min
test -e /data0/mysql/check_mysql_slave.log || touch /data0/mysql/check_mysql_slave.log
chown mysql.mysql /data0/mysql/check_mysql_slave.log

MYSQLPORT=`netstat -na|grep "LISTEN"|grep "3306"|awk -F[:" "]+ '{print $5}'`
MYSQLIP=`ifconfig eth0|grep "inet addr" | awk -F[:" "]+ '{print $4}'`
STATUS=$(/usr/local/mysql/bin/mysql -uadmin -ppassword -S /tmp/mysql.sock -e "show slave status\G" | grep -i "running")
IO_env=`echo $STATUS | grep IO | awk  ' {print $2}'`
SQL_env=`echo $STATUS | grep SQL | awk  '{print $2}'`
DATA=`date +"%y-%m-%d %H:%M:%S"`

if [ "$MYSQLPORT" == "3306" ]
then
    echo "mysql is running"
else
    mail -s "ERROR!server: $MYSQLIP mysql is down" [email protected]  -c [email protected] -c [email protected] -c [email protected]
fi

if [ "$IO_env" = "Yes" -a "$SQL_env" = "Yes" ]
then
    echo "Slave is running!"
else
    echo "####### $DATA #########">> /data0/mysql/check_mysql_slave.log
    echo "Slave is not running!" >>  /data0/mysql/check_mysql_slave.log
    echo "Slave is not running!" | mail -s "ERROR! $MYSQLIP MySQL Slave is not running" [email protected] -c [email protected] -c [email protected] -c [email protected]
fi

 最近因实际需求，对脚本做了以下更改，添加了DNS的监控。与上一个有些区别的就是，经一发邮件出来。而不是有一个错就发会邮件出来。

#!/bin/bash  -x
#check MySQL_Slave Status and check dns status
#crontab time 00:10
test -e /data0/mysql/check_mysql_slave.log || touch /data0/mysql/check_mysql_slave.log
chown mysql.mysql /data0/mysql/check_mysql_slave.log

MYSQLPORT=`netstat -na|grep "LISTEN"|grep "3306"|awk -F[:" "]+ '{print $5}'`
MYSQLIP=`ifconfig eth0|grep "inet addr" | awk -F[:" "]+ '{print $4}'`
STATUS=$(/usr/local/mysql/bin/mysql -uadmin -ppassword -S /tmp/mysql.sock -e "show slave status\G" | grep -i "running")
IO_env=`echo $STATUS | grep IO | awk  ' {print $2}'`
SQL_env=`echo $STATUS | grep SQL | awk  '{print $2}'`
DATA=`date +"%y-%m-%d %H:%M:%S"`

 > /data0/mysql/check_mysql_slave.log

if [ "$MYSQLPORT" == "3306" ]
then
    echo "mysql is running"
else
    echo "Mysql Server is not running!" >>  /data0/mysql/check_mysql_slave.log
fi

if [ "$IO_env" = "Yes" -a "$SQL_env" = "Yes" ];then
    echo "Slave is running"
    ps aux | grep bind | grep -v grep > /dev/null
    if [ "$?" == "0" ];then
        echo "Bind9 is running"
    else
        echo "####### $DATA #########">> /data0/mysql/check_mysql_slave.log
        echo "Bind9 is not running!" >>  /data0/mysql/check_mysql_slave.log
    fi
else
    echo "####### $DATA #########">> /data0/mysql/check_mysql_slave.log
    echo "Slave is not running!" >>  /data0/mysql/check_mysql_slave.log
fi

LINE=`wc -l /data0/mysql/check_mysql_slave.log | awk '{print $1}' `
if [ "$LINE" -gt "0" ];then
    cat /data0/mysql/check_mysql_slave.log | mail -s "PLOBLEAM: DNS SERVER $MYSQLIP ERROR INFORMATION" [email protected]
fi

线上机器运行

+ test -e /data0/mysql/check_mysql_slave.log
+ chown mysql.mysql /data0/mysql/check_mysql_slave.log
++ netstat -na
++ grep LISTEN
++ grep 3306
++ awk '-F[: ]+' '{print $5}'
+ MYSQLPORT=3306
++ ifconfig eth0
++ grep 'inet addr'
++ awk '-F[: ]+' '{print $4}'
+ MYSQLIP=118.X.X.X
++ /usr/local/mysql/bin/mysql -uadmin -ppassword -S /tmp/mysql.sock -e 'show slave status\G'
++ grep -i running
+ STATUS='             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes'
++ echo Slave_IO_Running: Yes Slave_SQL_Running: Yes
++ grep IO
++ awk ' {print $2}'
+ IO_env=Yes
++ echo Slave_IO_Running: Yes Slave_SQL_Running: Yes
++ grep SQL
++ awk '{print $2}'
+ SQL_env=Yes
++ date '+%y-%m-%d %H:%M:%S'
+ DATA='12-12-28 18:44:14'
+ '[' 3306 == 3306 ']'
+ echo 'mysql is running'
mysql is running
+ '[' YesYes = Yes -a YesYes = Yes ']'
+ echo 'Slave is running'
Slave is running
+ ps aux
+ grep bind
+ grep -v grep
+ '[' 0 == 0 ']'
+ echo 'Bind9 is running'
Bind9 is running
++ wc -l /data0/mysql/check_mysql_slave.log
++ awk '{print $1}'
+ LINE=5
+ '[' 5 -ne 0 ']'
+ cat /data0/mysql/check_mysql_slave.log
+ mail -s 'PLOBLEAM: DNS SERVER 118.X.X.X ERROR INFORMATION' [email protected]