mysql 管理脚本
作者主页：http://www.ruzuojun.com/
#!/bin/bash #script: my #version: 1.0 #purpose: this script can manage you mysql server Faster #author: ruzuojun #script update url: www.ruzuojun.com #bug report email: [email protected] #create date: 2013-10-12 #update_date: 2014-04-18 #Important statement: The script can be free to use, but the author does not take responsibility for the script, any economic loss or safety issues.Thanks #this config must be change before usage ########################################################################### host="127.0.0.1" #mysql server port="3306" #mysql port username="root" #mysql username password="root" #mysql password basedir="" # if not define. default /usr/local/mysql datadir="" # if not define. default $basedir/data #check privileges,This script must be run as root. ############################################################################ if [ $EUID -ne 0 ]; then echo "[ERROR]: Please run this script with root privileges." exit 1 fi #check system,This script must be run on CentOS/RHEL only. ############################################################################ if [ ! -f /etc/redhat-release ]; then echo "[ERROR]: Sorry, this script is for CentOS/RHEL only." exit 1 fi # The following variables are only set for letting mysql.server find things. ############################################################################# if test -z "$basedir" then basedir=/usr/local/mysql bindir=/usr/local/mysql/bin if test -z "$datadir" then datadir=/usr/local/mysql/data fi sbindir=/usr/local/mysql/bin libexecdir=/usr/local/mysql/bin else bindir="$basedir/bin" if test -z "$datadir" then datadir="$basedir/data" fi sbindir="$basedir/sbin" libexecdir="$basedir/libexec" fi # export PATH ############################################################################# PATH="/sbin:/usr/sbin:/bin:/usr/bin:$basedir/bin" export PATH #parameter define ############################################################################# login_param="-h$host -P$port -u$username -p$password" mode=$1 value=$2 #Command ############################################################################# case "$mode" in 'dba') #Login mysql server; Command: #my dba cd $basedir if test -x $bindir/mysql then $bindir/mysql $login_param else echo "Couldn't find MySQL server ($bindir/mysql)" fi ;; 'listen') #Print the mysql listen port; Command: #my listen listen=`netstat -nutpl |grep LISTEN |grep mysql` if [ "$listen" == "0" ];then echo "This server is not listen mysql. please check mysql server status." else netstat -nutpl |grep LISTEN |grep mysql fi ;; 'ping') #Check if mysqld is alive; Command: #my ping for((;;)) do if [ -f "$bindir/mysqladmin" ] ;then $bindir/mysqladmin $login_param ping echo "************************" else echo "The mysqladmin script is not find in $bindir." exit fi sleep 1 done ;; 'status-inc') #Check mysql status change value; Command: #my status-inc [parameter]; Example: my status-inc Buffer if [ -f "$bindir/mysqladmin" ] ;then $bindir/mysqladmin $login_param extended-status -r -i 3 |grep "$value" else echo "The mysqladmin script is not find in $bindir." exit fi ;; 'active') #Print mysql processlist once ; Command: #my active echo "**********************************************************************************************************************************" num_active=`$bindir/mysql $login_param -e 'show full processlist;'|grep -v Sleep|grep -v Command |wc -l` num_sleep=`$bindir/mysql $login_param -e 'show full processlist;'|grep Sleep|grep -v Command |wc -l` echo "Active sessions:$num_active Sleep sessions:$num_sleep" echo "**********************************************************************************************************************************" $bindir/mysql $login_param -e "show full processlist;"|grep -v Sleep |sed 's/\\n//g' |sed 's/\\t//g' echo "**********************************************************************************************************************************" ;; 'top') #Print mysql processlist ever and again; Commdnd: #my top for((;;)) do clear echo "**********************************************************************************************************************************" num_active=`$bindir/mysql $login_param -e 'show full processlist;'|grep -v Sleep|grep -v Command |wc -l` num_sleep=`$bindir/mysql $login_param -e 'show full processlist;'|grep Sleep|grep -v Command |wc -l` echo "Active sessions:$num_active Sleep sessions:$num_sleep" echo "**********************************************************************************************************************************" $bindir/mysql $login_param -e "show full processlist;"|grep -v Sleep |sed 's/\\n//g' |sed 's/\\t//g' echo "**********************************************************************************************************************************" sleep 2 done ;; 'kill') #Kill session by session id ; Command: #my kill [pid parameter]; Example: my kill 20000 if [[ "$value" =~ "^[0-9]+$" ]] ;then $bindir/mysql $login_param -e "kill $value" echo "killed mysql processes id is $value" else echo "The value is wrong, must be a number" fi ;; 'killall') #Kill all session if time > N seconds; Command: #my killall [N second parameter]; Example: my killall 60 if [[ "$value" =~ "^[0-9]+$" ]] ;then $bindir/mysql $login_param -e 'show processlist'|grep -v -i -E "system users|replication|processlist|Sleep|Command|Connect|master|Slave|information_schema"|awk '{if($6>'$value')print $1}' |while read line; do $bindir/mysql $login_param -e "kill query $line" ; echo "mysql processes id $line been killed"; done else echo "The value is wrong, must be a number" fi ;; 'query') #Print query avg number before two seconds; Command: #my query for((;;)) do query=`$bindir/mysql $login_param -e "show global status like 'Queries';"|grep Queries|awk '{if($2>0) print $2}'` sleep 2 query2=`$bindir/mysql $login_param -e "show global status like 'Queries';"|grep Queries|awk '{if($2>0) print $2}'` let query_avg=($query2-$query)/2 time=`date +"%H:%M:%S"` echo "[$time] query avg number: $query_avg" echo "**********************************************************" sleep 1 done ;; 'dml') #Print current dml number per seconds from com status; Command: #my dml for((;;)) do Com_select=`$bindir/mysql $login_param -e "show global status like 'Com_select';"|grep Com_select|awk '{if($2>0) print $2}'` Com_insert=`$bindir/mysql $login_param -e "show global status like 'Com_insert';"|grep Com_insert|awk '{if($2>0) print $2}'` Com_update=`$bindir/mysql $login_param -e "show global status like 'Com_update';"|grep Com_update|awk '{if($2>0) print $2}'` Com_delete=`$bindir/mysql $login_param -e "show global status like 'Com_delete';"|grep Com_delete|awk '{if($2>0) print $2}'` Com_commit=`$bindir/mysql $login_param -e "show global status like 'Com_commit';"|grep Com_commit|awk '{if($2>0) print $2}'` Com_rollback=`$bindir/mysql $login_param -e "show global status like 'Com_rollback';"|grep Com_rollback|awk '{if($2>0) print $2}'` sleep 1 Com_select_2=`$bindir/mysql $login_param -e "show global status like 'Com_select';"|grep Com_select|awk '{if($2>0) print $2}'` Com_insert_2=`$bindir/mysql $login_param -e "show global status like 'Com_insert';"|grep Com_insert|awk '{if($2>0) print $2}'` Com_update_2=`$bindir/mysql $login_param -e "show global status like 'Com_update';"|grep Com_update|awk '{if($2>0) print $2}'` Com_delete_2=`$bindir/mysql $login_param -e "show global status like 'Com_delete';"|grep Com_delete|awk '{if($2>0) print $2}'` Com_commit_2=`$bindir/mysql $login_param -e "show global status like 'Com_commit';"|grep Com_commit|awk '{if($2>0) print $2}'` Com_rollback_2=`$bindir/mysql $login_param -e "show global status like 'Com_rollback';"|grep Com_rollback|awk '{if($2>0) print $2}'` let select=$Com_select_2-$Com_select let insert=$Com_insert_2-$Com_insert let update=$Com_update_2-$Com_update let delete=$Com_delete_2-$Com_delete let commit=$Com_commit_2-$Com_commit let rollback=$Com_rollback_2-$Com_rollback time=`date +"%H:%M:%S"` echo "[$time] select:$select insert:$insert update:$update delete:$delete commit:$commit rollback:$rollback" echo "*******************************************************************************************" sleep 1 done ;; 'rtxlock') #Print innodb rtx locks info; Command: #my rtxlock $bindir/mysql $login_param -e "select * from information_schema.INNODB_TRX a, information_schema.INNODB_LOCKS b, information_schema.INNODB_LOCK_WAITS c, information_schema.INNODB_TRX d where a.trx_query like '%T_PRICING_RESULT%' and a.trx_id=b.lock_trx_id and a.trx_id=c.requesting_trx_id and c.blocking_trx_id=d.trx_id\G" ;; 'errorlog') #Print last 50 line error log info; Command: #my errorlog errorlog_file=`$bindir/mysql $login_param -e "show variables like 'log_error';"|grep log_error |awk -F ' ' '{print $2}'` echo "**********************************************************************************************************************************" tail -n 100 $errorlog_file echo "**********************************************************************************************************************************" echo "MySQL Error log write at: $errorlog_file" echo "**********************************************************************************************************************************" ;; 'tailerror') #Print error log info real time; Command: #my tailerror errorlog_file=`$bindir/mysql $login_param -e "show variables like 'log_error';"|grep log_error |awk -F ' ' '{print $2}'` echo "**********************************************************************************************************************************" tail -f -n 50 $errorlog_file ;; 'mycnf') #Print my.cnf info; Command: #my mycnf [parameter] ;you can find my.cnf file by #mysql --verbose --help |grep -A 1 'Default options' if [ -f "/etc/my.cnf" ]; then more /etc/my.cnf |grep "$value" elif [ -f "/etc/mysql/my.cnf" ]; then more /etc/mysql/my.cnf |grep "$value" elif [ -f "$basedir/etc/my.cnf" ]; then more $basedir/etc/my.cnf |grep "$value" elif [ -f "~/.my.cnf" ]; then more ~/.my.cnf |grep "$value" else echo "Error:not find my.cnf in /etc/my.cnf /etc/mysql/my.cnf $basedir/etc/my.cnf ~/.my.cnf" fi ;; 'variables') #Print mysql variables info; Command: #my variables [parameter] $bindir/mysql $login_param -e "show variables like '%$value%';" ;; 'status') #Print mysql status info; Command: #my status [parameter] ; Example: #my status locks $bindir/mysql $login_param -e "show status like '%$value%';" ;; 'innodb') #Print innodb status info; Command: #my innodb $bindir/mysql $login_param -e "show engine innodb status;" |more ;; 'mutex') #Print mutex status info; Command: #my mutex $bindir/mysql $login_param -e "show engine innodb mutex;" |more ;; 'exec') #Execute SQL statement; Command:#my exec [SQL parameter] ; Example: #my exec "select * from test.user" if [ "$value" == "" ];then echo "Error:please give a SQL statement." else $bindir/mysql $login_param -e "$value;" fi ;; 'user') #Print mysql user list info; Command: #my user $bindir/mysql $login_param -e "select user,host,password from mysql.user;" ;; 'grants') #Print mysql user grant info; Command: #my grants [parameter] ; Example: #my grants root@localhost $bindir/mysql $login_param -e "show grants for $value" ;; 'history') #Print mysql history file info; Command: #my history [parameter] ; Example: #my history update cat /root/.mysql_history |grep "$value" ;; 'doc') #Print mysql refman doc; Command: #my doc [parameter] ; Example: #my doc 'create table' $bindir/mysql $login_param -e "help $value" ;; 'version') #Print mysql server version; Command: #my version ; Example: #my version $bindir/mysql $login_param -e "select version() as version" ;; 'slave') #Print mysql slave info; Command: #my slave c=`$bindir/mysql $login_param -e "show slave status;" |wc -l` if [ "$c" == "0" ];then echo "Note:This mysql server is not a slave." else $bindir/mysql $login_param -e "show slave status\G" fi ;; 'delay') #Print mysql slave delay to master time ever and again; Command: #my delay for((;;)) do c=`$bindir/mysql $login_param -e "show slave status;" |wc -l` if [ "$c" == "0" ];then echo "Note:This mysql server is not a slave." else $bindir/mysql $login_param -e "show slave status\G" |grep Seconds_Behind_Master echo "*************************************************" fi sleep 1 done ;; 'admin') #Execute mysqladmin Command; Command: #my admin [Command parameter]; Example: #my admin stop-slave if [ -f "$bindir/mysqladmin" ] ;then $bindir/mysqladmin $login_param $value else echo "The mysqladmin script is not find in $bindir." exit fi ;; 'bigtable') #Print mysql large table info; Command: #my bigtable ; Example: #my bigtable echo "big table check start, please wait......" $bindir/mysql $login_param -e "SELECT table_schema as 'DB',table_name as 'TABLE',CONCAT(ROUND(( data_length + index_length ) / ( 1024 * 1024 ), 2), '') 'TOTAL(M)' , table_comment as COMMENT FROM information_schema.TABLES ORDER BY data_length + index_length DESC limit 20;" ;; 'source') #Print mysql connect source info; Command: #my source ; Example: #my source $bindir/mysql $login_param -e "select SUBSTRING_INDEX(host,':',1) as connect_server, user connect_user,db connect_db, count(SUBSTRING_INDEX(host,':',1)) as connect_count from information_schema.processlist where db is not null and db!='information_schema' and db !='performance_schema' group by connect_server order by connect_count desc limit 20;" ;; 'nettop') #Print netstat top ip connect source info; Command: #my nettop ; Example: #my nettop echo "================== Top 20 netstat IP Source ==========================" /bin/netstat -nat|grep ESTABLISHED|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -n -r |head -n 20 echo "======================================================================" ;; '--help') #for help echo "my help info:" echo "support-site:www.ruzuojun.com bug-report:[email protected]" echo "=======================================================================" echo "--help Print my tools help info; Command: #my --help" echo "dba Login mysql server; Command: #my dba" echo "doc Print mysql refman doc onine; Command: #my doc [parameter] ; Example: #my doc 'create table'" echo "ping Check if mysqld is alive; Command: #my ping" echo "version Pirnt mysql server version; Command: #my version" echo "listen Print the mysql listen port; Command: #my listen" echo "active Print mysql processlist once ; Command: #my active" echo "top Print mysql processlist ever and again; Commdnd: #my top" echo "kill kill session by session id ; Command: #my kill [pid parameter]; Example: my kill 20000" echo "killall kill all session if time > N seconds; Command: #my killall [N second parameter]; Example: my killall 60" echo "query Print query avg number before two seconds; Command: #my query" echo "dml Print current dml number per seconds from com status; Command: #my dml" echo "rtxlock Print innodb rtx locks info; Command: #my rtxlock" echo "errorlog Print last 50 line error log info; Command: #my errorlog" echo "tailerror Print last error log info real time; Command: #my tailerror" echo "mycnf Print my.cnf info; Command: #my mycnf [parameter] ;you can find my.cnf file by #mysql --verbose --help |grep -A 1 'Default options'" echo "variables Print mysql variables info; Command: #my variables [parameter]" echo "status Print mysql status info; Command: #my status [parameter] ; Example: #my status locks" echo "status-inc Check mysql status change value; Command: #my status-inc [parameter]; Example: my status-inc Buffer" echo "innodb Print innodb status info; Command: #my innodb" echo "mutex Print innodb mutex status info; Command: #my mutex" echo "user Print mysql user list info; Command: #my user" echo "grants Print mysql user grant info; Command: #my grants [parameter] ; Example: #my grants root@localhost" echo "history Print mysql history file info; Command: #my history [parameter] ; Example: #my history update" echo "slave Print mysql slave info; Command: #my slave" echo "delay Print mysql slave delay to master time ever and again; Command: #my delay" echo "exec Execute SQL statement; Command:#my exec [SQL parameter] ; Example: #my exec 'select * from test.user' " echo "admin Execute mysqladmin Command; Command: #my admin [Command parameter]; Example: #my admin stop-slave" echo "bigtable Print mysql large space table top 20; Command: #my bigtable; Example: #my bigtable" echo "source Print mysql connect source info; Command: #my source ; Example: #my source" echo "nettop Print netstat top ip connect source info; Command: #my nettop ; Example: #my nettop" exit ;; *) echo "Please input '#my --help' to read the help info." ;; esac exit 0