#! /bin/bash

### AUTHOR: cenliang

### EMAIL: xuanniaoxi@sina.com

### DATE:2018/03/22### REV:3.0# 数据库服务器 性能巡检报告

source/etc/profile

source/root/.bash_profile

#################################

# #

# 全局配置 #

# #

#################################

# 巡检日期

CheckDate=`date +"%Y-%m-%d"`

# 巡检主机

CheckServer=`hostname`

# 巡检IP

CheckIP=`ifconfig eth0 |grep "inet" |awk '{print $2}'`

# 巡检报告

CheckReport=/data/backup/log/my3306/check_server.log

# 实例名

InstanceName=my3306

# 数据目录

DataDir=/data/mysql/my3306

# 备份同步路径

TargetRsyncDir=/data/backup/mysql/my3306

# 收件人

addr="cenliang@allinpay.com liulj3@allinpay.com chenzp3@allinpay.com wuyong@allinpay.com"# 邮件标题

subj="${CheckServer}(${CheckIP})巡检报告"# 邮件正文

body=$CheckReport

# 正文标题

title="${CheckServer}(${CheckIP})巡检报告"#################################

# #

# 巡检内容 #

# #

#################################

# 格式化标题函数functionf_format(){echo "##############################################################################"

echo "#"

echo "#"$1" "

echo "#"

echo -e "##############################################################################\n"}

# 表空间使用率检查函数functionf_check_tbs(){echo "SELECT a.schema_name db_name,

CONCAT(IFNULL(ROUND((SUM(b.data_length) + SUM(b.index_length)) / 1024 / 1024,0),0),'M') total,

CONCAT(IFNULL(ROUND(((SUM(b.data_length)+ SUM(b.index_length)) -SUM(b.data_free))/ 1024 / 1024,0),0),'M') used,

CONCAT(IFNULL(ROUND(SUM(data_free)/ 1024 / 1024, 0), 0), 'M') free,

CONCAT(IFNULL(ROUND((((SUM(b.data_length)+ SUM(b.index_length)) -SUM(b.data_free))/((SUM(b.data_length)+ SUM(b.index_length))) * 100),0),0),'%') ratio,

COUNT(table_name) TABLES

FROM information_schema.schemata a

LEFT JOIN information_schema. TABLES b

ON a.schema_name=b.table_schema

WHERE a.schema_name NOT IN

('information_schema', 'mysql', 'performance_schema')

GROUP BY a.schema_name

ORDER BY1;"}

f_format $title

f_format"01、CPU空闲率、系统负载"top- b -n1 -d1|head -n5

f_format"02、可用内存"

free -g

f_format"03、磁盘空间使用率"

df -Th

f_format"04、磁盘IO性能"iostat-d -m 2 5f_format"05、数据库实例状态"

ps -ef | grep mysql|grep -v "grep"f_format"06、数据库监听状态"netstat-atun| grep 3306f_format"07、数据库大小"

echo "数据目录： $DataDir"

du -ch --max-depth=1 $DataDir |grep total|cut -f 1f_format"08、数据库表空间使用率"f_check_tbs|mysql --login-path=my3306

f_format"09、错误日志"

grep `date +"%Y-%m-%d"` $DataDir/error.log

f_format"10、备份状态"

echo "备份路径： $TargetRsyncDir"

ls -hl $TargetRsyncDir |grep `date +"%Y%m%d"`

f_format"THE END !"#applied_email

mail-s $subj $addr < $body