MYSQL 数据库状态检查脚本(Python版）
#原shell版
View Code 1 #!/bin/bash 2 3 # Script Name: mysql_status_check.sh 4 # Description: check mysql servers status 5 # Author: Xinggang Wang - OpsEye.com 6 # Create Date: 2012/3/30 7 8 #获取MySQL所在服务器IP/端口/用户名/密码 9 read -p "Host=" HOST 10 read -p "Port=" PORT 11 read -p "User=" USER 12 read -sp "Password=" PASSWORD 13 echo 14 15 #默认为127.0.0.1/3306/root 16 if [ "${HOST}" = "" ] 17 then 18 HOST='127.0.0.1' 19 fi 20 21 if [ "${PORT}" = "" ] 22 then 23 PORT='3306' 24 fi 25 26 if [ "${USER}" = "" ] 27 then 28 USER='root' 29 fi 30 31 #注意密码为空的时候的格式 32 mysql_list=" 33 $HOST:$PORT:$USER:$PASSWORD 34 " 35 #计算函数，提高脚本效率 36 compute(){ 37 formula="$1" 38 awk 'BEGIN{printf("%.2f",'$formula')}' 2>/dev/null && 39 echo $value || echo NULL 40 } 41 42 for mysql in $mysql_list 43 { 44 host=${mysql%%:*} 45 port=$(echo $mysql|awk -F: '{print $2}') 46 user=$(echo $mysql|awk -F: '{print $3}') 47 passwd=${mysql##*:} 48 49 [ -z "$passwd" ] && mysql="mysql -h$host -P$port -u$user" || 50 mysql="mysql -h$host -P$port -u$user -p$passwd" 51 52 unset Uptime 53 # 把show global status的值赋给相应的参数名称（这里相当于大量的变量赋值操作） 54 eval $( $mysql -e "show global status" | awk '{print $1"=\x27"$2"\047"}') 55 [ X = X"$Uptime" ] && continue 56 57 # Mysql VER 58 VER=`$mysql -e"status;"|grep 'Server version'|awk '{print $3}'` 59 60 # Uptime 61 UPTIME=`compute "$Uptime/3600/24"` 62 63 # Threads_connected 64 threads_connected=`compute "$Threads_connected"` 65 66 # QPS Questions/Uptime 67 qps=`compute "$Questions/$Uptime"` 68 69 # TPS (Com_commit + Com_rollback)/Uptime 70 tps=`compute "($Com_commit+$Com_rollback)/$Uptime"` 71 72 # Reads Com_select + Qcache_hits 73 reads=`compute "$Com_select+$Qcache_hits"` 74 75 # Writes Com_insert + Com_update + Com_delete + Com_replace 76 writes=`compute "$Com_insert+$Com_update+$Com_delete+$Com_replace"` 77 78 # Read/Writes Ratio reads/writes*100% 79 rwratio=`compute "$reads/$writes*100"`% 80 81 # MyISAM Key_buffer_read_hits (1 - Key_reads/Key_read_requests) * 100 82 key_buffer_read_hits=`compute "(1-$Key_reads/$Key_read_requests)*100"`% 83 84 # MyISAM Key_buffer_write_hits (1 - Key_writes/Key_write_requests) * 100 85 key_buffer_write_hits=`compute "(1-$Key_writes/$Key_write_requests)*100"`% 86 87 # Query_cache_hits (Qcache_hits / (Qcache_hits + Qcache_inserts)) * 100% 88 query_cache_hits=`compute "$Qcache_hits/($Qcache_hits+$Qcache_inserts)*100"`% 89 90 # Innodb_buffer_read_hits (1 - Innodb_buffer_pool_reads/Innodb_buffer_pool_read_requests) * 100 91 innodb_buffer_read_hits=`compute "(1-$Innodb_buffer_pool_reads/$Innodb_buffer_pool_read_requests)*100"`% 92 93 # Thread_cache_hits (1 - Threads_created / Connections) * 100% 94 thread_cache_hits=`compute "(1-$Threads_created/$Connections)*100"`% 95 96 # Slow_queries_per_second Slow_queries / Uptime * 60 97 slow_queries_per_second=`compute "$Slow_queries/$Uptime"` 98 99 # Select_full_join_per_second Select_full_join / Uptime * 60 100 select_full_join_per_second=`compute "$Select_full_join/$Uptime*60"` 101 102 # select_full_join_in_all_select (Select_full_join / Com_select) * 100 103 select_full_join_in_all_select=`compute "($Select_full_join/$Com_select)*100"`% 104 105 # MyISAM Lock Contention (Table_locks_waited / Table_locks_immediate) * 100 106 myisam_lock_contention=`compute "($Table_locks_waited/$Table_locks_immediate)*100"`% 107 108 # Temp_tables_to_disk (Created_tmp_disk_tables / Created_tmp_tables) * 100 109 temp_tables_to_disk_ratio=`compute "($Created_tmp_disk_tables/$Created_tmp_tables)*100"`% 110 111 # print formated MySQL status report 112 title="******************** MySQL--${HOST}--${PORT} ***********************" 113 width=$((`echo "$title"|wc -c`-1)) 114 115 echo "$title" 116 117 export IFS=':' 118 while read name value ;do 119 printf "%36s :\t%10s\n" $name $value 120 done <<EOF 121 Mysql Ver:$VER 122 Uptime:$UPTIME days 123 Threads connected:$threads_connected 124 QPS:$qps 125 TPS:$tps 126 Reads:$reads 127 Writes:$writes 128 Read/Writes Ratio:$rwratio 129 MyISAM Key buffer read hits(>99%):$key_buffer_read_hits 130 MyISAM Key buffer write hits:$key_buffer_write_hits 131 Query cache hits:$query_cache_hits 132 InnoDB buffer read hits(>95%):$innodb_buffer_read_hits 133 Thread cache hits(>90%):$thread_cache_hits 134 Slow queries per second:$slow_queries_per_second 135 Select full join per second:$select_full_join_per_second 136 Select full join in all select:$select_full_join_in_all_select 137 MyiSAM lock contention(<1%):$myisam_lock_contention 138 Temp tables to disk ratio:$temp_tables_to_disk_ratio 139 EOF 140 141 unset IFS 142 143 for i in `seq $width`;{ echo -n "*";};echo 144 } 145 146 exit 0#Python版View Code 1 #!/usr/bin/env python 2 3 #-*- coding: utf-8 -*- 4 5 # Script Name: mysql_status_check.py 6 7 # Description: check mysql servers status 8 9 # Author: Bruce.Zuo 10 11 # Create Date: 2012/06/05 12 13 import os,sys 14 15 import MySQLdb 16 17 import getpass 18 19 20 21 host=raw_input("host:") 22 23 user=raw_input("user:") 24 25 password=getpass.getpass() 26 27 28 29 try: 30 31 conn = MySQLdb.connect(host = host, user=user ,passwd = password, db = 'test') 32 33 except MySQLdb.ERROR,e: 34 35 print "Error %d:%s"%(e.args[0],e.args[1]) 36 37 exit(1) 38 39 cursor=conn.cursor() 40 41 42 43 cursor.execute('show global status;') 44 45 result_set=cursor.fetchall() 46 47 cursor.close() 48 49 conn.close() 50 51 52 53 def get_value(key_name): 54 55 for rows in result_set: 56 57 if rows[0]==key_name: 58 59 return float(rows[1]) 60 61 62 63 print ('MySQL-'+host+'-3306').center(60,'*') 64 65 print 'Uptime:'.rjust(40),get_value('Uptime') 66 67 print 'Threads_connected:'.rjust(40),get_value('Threads_connected') 68 69 print 'QPS:'.rjust(40),round(get_value('Questions') / get_value('Uptime'),2) 70 71 print 'TPS:'.rjust(40),round(get_value('Com_commit')+get_value('Com_rollback') / get_value('Uptime'),2) 72 73 reads=get_value('Com_select')+ get_value('Qcache_hits') 74 75 writes=get_value('Com_insert')+get_value('Com_update')+get_value('Com_delete')+get_value('Com_replace') 76 77 print 'Reads:'.rjust(40),get_value('Com_select')+ get_value('Qcache_hits') 78 79 print 'Writes:'.rjust(40),get_value('Com_insert')+get_value('Com_update')+get_value('Com_delete')+get_value('Com_replace') 80 81 print 'Read/Writes Ratio:'.rjust(40),round(reads / writes,2),'%' 82 83 print 'MyISAM Key buffer read hits(>99%):'.rjust(40),round(1-get_value('Key_reads') / (get_value('Key_read_requests')*100),2),'%' 84 85 print 'MyISAM Key buffer write hits:'.rjust(40),round(1-get_value('Key_writes') / (get_value('Key_write_requests')*100),2),'%' 86 87 print 'Query cache hits:'.rjust(40),round(get_value('Qcache_hits') / (get_value('Qcache_hits')+get_value('Qcache_inserts'))*100,2),'%' 88 89 print 'InnoDB buffer read hits(>95%):'.rjust(40),round(1-get_value('Innodb_buffer_pool_reads') / (get_value('Innodb_buffer_pool_read_requests')*100),2),'%' 90 91 print 'Thread cache hits(>90%):'.rjust(40),round(1-get_value('Threads_created') / (get_value('Connections')*100),2),'%' 92 93 print 'Slow queries per second:'.rjust(40),round(get_value('Slow_queries') / get_value('Uptime'),2) 94 95 print 'Select full join per second:'.rjust(40),round(get_value('Select_full_join') / get_value('Uptime'),2) 96 97 print 'Select full join in all select:'.rjust(40),round(get_value('Select_full_join') / (get_value('Com_select')*100),2),'%' 98 99 print 'MyiSAM lock contention(<1%):'.rjust(40),round(get_value('Table_locks_waited') / (get_value('Table_locks_immediate')*100),2),'%'100 101 print 'Temp tables to disk ratio:'.rjust(40),round(get_value('Created_tmp_disk_tables') / (get_value('Created_tmp_tables')*100),2),'%'102 103 print '*'*60#根据这个方法，可以添加更多的状态项。
#效果图
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