老谢博客

cd /usr/local/zabbix/share/scripts
vim chk_mysql.sh
 
#!/bin/bash
#check mysql_status
MYSQL_USER='root'
MYSQL_HOST='127.0.0.1'
MYSQL_PORT='3306'
MYSQL_PWD='root'
MYSQL_CONN="/usr/local/mysql/bin/mysqladmin -u${MYSQL_USER} -p${MYSQL_PWD} -h${MYSQL_HOST} -P${MYSQL_PORT}"
if [ $# -ne "1" ];then
    echo "error error!"
fi
case $1 in
    Uptime)
        result=`${MYSQL_CONN} status|cut -f2 -d":"|cut -f1 -d"T"`              #mysql启动时间累加,mysql工作时间
        echo $result
        ;;
    Com_update)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_update"|cut -d"|" -f3`   #执行update 操作的次数
        echo $result
        ;;
    Slow_queries)
        result=`${MYSQL_CONN} status |cut -f5 -d":"|cut -f1 -d"O"`                  #慢查询的次数
        echo $result
        ;;
    Com_select)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_select"|cut -d"|" -f3`  #执行select 操作的次数，一次查询只累加1
        echo $result
                ;;
    Com_rollback)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_rollback"|cut -d"|" -f3`  #事务回滚情况，对于回滚操作非常频繁的数据库，可能意味着应用编写存在问题
                echo $result
                ;;
    Questions)
        result=`${MYSQL_CONN} status|cut -f4 -d":"|cut -f1 -d"S"` #初始的查询操作的总数
                echo $result
                ;;
    Com_insert)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_insert"|cut -d"|" -f3`  #执行insert 操作的次数，对于批量插入的insert 操作，只累加一次；
                echo $result
                ;;
    Com_delete)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_delete"|cut -d"|" -f3` #执行delete 操作的次数
                echo $result
                ;;
    Com_commit)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_commit"|cut -d"|" -f3`  #事务提交次数
                echo $result
                ;;
    Bytes_sent)
        result=`${MYSQL_CONN} extended-status |grep -w "Bytes_sent" |cut -d"|" -f3`  #请求流量带宽，发送
                echo $result
                ;;
    Bytes_received)
        result=`${MYSQL_CONN} extended-status |grep -w "Bytes_received" |cut -d"|" -f3` #响应流量带宽,接收
                echo $result
                ;;
    Com_begin)
        result=`${MYSQL_CONN} extended-status |grep -w "Com_begin"|cut -d"|" -f3`
                echo $result
                ;;
    Innodb_rows_read)
        result=`${MYSQL_CONN} extended-status |grep -w "Innodb_rows_read"|cut -d"|" -f3`    #Innodb中select 查询返回的行数
                echo $result
             ;;
    Innodb_rows_inserted)
        result=`${MYSQL_CONN} extended-status |grep -w "Innodb_rows_inserted"|cut -d"|" -f3` #执行Insert 操作插入的行数
                echo $result
        ;;
    Innodb_rows_updated)
        result=`${MYSQL_CONN} extended-status |grep -w "Innodb_rows_updated"|cut -d"|" -f3` #执行update 操作更新的行数
                echo $result
        ;;
    Innodb_rows_deleted)
        result=`${MYSQL_CONN} extended-status |grep -w "Innodb_rows_deleted"|cut -d"|" -f3` #执行update 操作更新的行数
                echo $result
        ;;
    Qcache_free_memory)
        result=`${MYSQL_CONN} extended-status |grep -w "Qcache_free_memory"|cut -d"|" -f3`  #缓存中的空闲内存
                echo $result
                ;;
    Qcache_hits)
        result=`${MYSQL_CONN} extended-status |grep -w "Qcache_hits"|cut -d"|" -f3`  #每次查询在缓存中命中时就增大
                echo $result
                ;;
    Qcache_inserts)
        result=`${MYSQL_CONN} extended-status |grep -w "Qcache_inserts"|cut -d"|" -f3`  #每次插入一个查询时就增大。命中次数除以插入次数就是不中比率
                echo $result
                ;;
    Threads_connected)
        result=`${MYSQL_CONN} extended-status |grep -w "Threads_connected"|cut -d"|" -f3`  #当前连接数
                echo $result
                ;;
        *)
        echo "Usage:$0(Uptime|Com_update|Slow_queries|Com_select|Com_rollback|Questions|Com_insert|Com_delete|Com_commit|Bytes_sent|Bytes_received|Com_begin||Inn                                                                            odb_rows_read|Innodb_rows_inserted|Innodb_rows_updated|Innodb_rows_deleted|Qcache_free_memory|Qcache_hits|Qcache_inserts|Threads_connected)"
        ;;
esac

UserParameter=mysql.status[*],/usr/local/zabbix/share/scripts/chk_mysql.sh $1
UserParameter=mysql.ping,/usr/local/mysql/bin/mysqladmin -uroot -proot -P3306 -h127.0.0.1  ping | grep -c alive
UserParameter=mysql.version,mysql -V