shell脚本实现-----自动巡检脚本.sh - 好文

[root@localhost ~]# vim自动巡检脚本.sh
#!/bin/bash
###################################################################
# Functions: this script from polling system status
# Info: be suitable for CentOS/RHEL 6/7
# Changelog:
#    2018-01-28   Hetl   initial commit
###################################################################

#set path env,if not set will some command not found in crontab
# export
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
# source /etc/profile

#set user to run this script
# report_user='monitor'

# run this script use monitor
# if [ `whoami` != "$report_user" ];then
#    echo " only monitor can run this script"
#    exit 1
# fi

# define log path
# LOGPATH=/home/$report_user/var
# [ -d $LOGPATH ] || mkdir -p $LOGPATH
# RESULTFILE="$LOGPATH/HostDailyCheck-`hostname`-`date +%Y%m%d`.txt"

# check system version,6 or 7 ?
OS_Version=$(awk '{print $(NF-1)}' /etc/redhat-release)

# define globle variable
report_DateTime=''   #日期
report_SystemVersion=''   #系统版本
report_Hostname=''   #主机名
report_IP=''   #主机IP
report_CpuUser=''   #用户空间占用CPU百分比
report_CpuSys=''   #内核空间占用CPU百分比
report_CpuIdle=''   #CPU空闲率
report_CpuUsed=''   #CPU使用率
report_MemALL=''   #内存大小
report_MemFree=''   #内存剩余
report_MenRate=''   #使用率
report_DiskInfo=''   #磁盘信息
report_DefunctProsess=''   #僵尸进程数量
report_ProcessCount=''   #系统进程数
report_ProcessStatus='' #特定进程状态

function getSystemStatus(){
   report_DateTime=$(date +"%F %T")
   report_SystemVersion=$(cat /etc/redhat-release)
   report_Hostname=$(hostname)
}

function getCpuStatus(){
   if [[ $OS_Version < 7 ]];then
       report_CpuUser=$(top -n 1|grep 'Cpu(s)'|awk '{print $2}'|sed
's/us\,//')
       report_CpuSys=$(top -n 1|grep 'Cpu(s)'|awk '{print $3}'|sed
's/sy\,//')
       report_CpuIdle=$(top -n 1|grep 'Cpu(s)'|awk '{print $5}'|sed
's/id\,//')
       report_CpuUsed=''   #建议程序计算
   else
       report_CpuUser=$(top -n 1|grep 'Cpu(s)'|awk '{print $2}')%
       report_CpuSys=$(top -n 1|grep 'Cpu(s)'|awk '{print $4}')%
       report_CpuIdle=$(top -n 1|grep 'Cpu(s)'|awk '{print $8}')%
       report_CpuUsed=''   #建议程序计算
   fi
}

function getIpInfo(){
   #report_IP=$(ip -f inet addr | grep -v 127.0.0.1 | grep inet | awk
'{print $NF,$2}' | tr '\n' ',' | sed 's/,$//')
   if [[ $OS_Version < 7 ]];then
       report_IP=$(ifconfig|grep "inet addr:"|grep -v "127.0.0.1"|cut -d:
-f2|awk '{print $1}')
   else
       report_IP=$(ifconfig|grep -w inet|grep -v "127.0.0.1"|awk '{print
$2}')
   fi
}

function getMemInfo(){
   report_MemALL=$(grep MemTotal /proc/meminfo|awk {'print $2'})
   report_MemFree=$(grep MemFree /proc/meminfo|awk {'print $2'})
   report_MenRate=''   #使用率--建议程序计算
}

function getDiskInfo(){
   report_DiskInfo=$(df -Ph |grep -vE 'boot|run|tempfs|Filesystem|文件系统'|grep
-vw '0%'|awk '{print $6,$5,$4}')
}

function getProcessNum(){
#僵尸进程数量
   report_DefunctProsess="$(ps -ef | grep defunct | grep -v grep|wc -l)"
#进程总数
report_ProcessCount="$(ps aux|wc -l)"
}

#获取单个进程的状态，参数1：程序名，参数2：筛选关键字
function getSingleProcessStats(){
   if [ $# -eq 1 ];then
       count=$(ps -ef | grep $1 | grep -v 'grep' | wc -l)
   elif [[ $# -eq 2 ]]; then
       count=$(ps -ef | grep $1 |grep $2| grep -v 'grep' |wc -l)
   else
       count="ERROR"
   fi

   if [[ $count = "ERROR" ]]; then
       report_ProcessStatus=$report_ProcessStatus$1"
""getSingleProcessStats()参数错误""|"
   elif [[ count -ge 1 ]]; then
       report_ProcessStatus=$report_ProcessStatus$1" ""YES""|"
   else
       report_ProcessStatus=$report_ProcessStatus$1" ""NO""|"
   fi
}

function getAllProcessStats(){
   getSingleProcessStats java CheungSSH aaa
   getSingleProcessStats flume
   getSingleProcessStats systemd
   getSingleProcessStats netns
}

#统一监控平台OVO接口测试
function OVOWebServiceStatus(){
   nodeName=`echo -n "192.168.56.200" | base64`
   alertName=`echo -n "TEST" | base64`
   severity=`echo -n "ALARM" | base64`
   Message=`echo -n "OVO接口测试，无需报障，谢谢！" | base64`

   #获取当前时间，yyyyMMddHHmmSS
   arisingTime=`date +%Y%m%d%H%M%S`
   arisingTime=`echo -n "${arisingTime}" | base64`

   #目前接口至通过agentId="OVO"的告警
   agentId=`echo -n "OVO" | base64`
   curl
http://192.168.56.200:8089/collectorAlertService/collectAlert/$nodeName/$alertName/$severity/$Message/$arisingTime/$agentId
   if [ $? -eq 0 ];
       then
       ImmsWebServiceStatus="ACCESS"
       echo $ImmsWebServiceStatus
   fi
}

function getJson(){
   json="{
       \"DateTime\":\"$report_DateTime\",
       \"report_Hostname\":\"$report_Hostname\",
       \"report_IP\":\"$report_IP\",
       \"report_SystemVersion\":\"$report_SystemVersion\",
       \"report_CpuUser\":\"$report_CpuUser\",
       \"report_CpuSys\":\"$report_CpuSys\",
       \"report_CpuIdle\":\"$report_CpuIdle\",
       \"report_MemALL\":\"$report_MemALL\",
       \"report_MemFree\":\"$report_MemFree\",
       \"report_DiskInfo\":\"$report_DiskInfo\",
       \"report_DefunctProsess\":\"$report_DefunctProsess\",
       \"report_ProcessCount\":\"$report_ProcessCount\",
       \"report_ProcessStatus\":\"$report_ProcessStatus\"
   }"
   echo "$json"
}

function main(){
   getSystemStatus
   getCpuStatus
   getIpInfo
   getDiskInfo
   getMemInfo
   getProcessNum
   getAllProcessStats
   getJson
}

#main > $RESULTFILE
main

shell脚本的效果图

[root@localhost ~]#  sh zhuhaiyan.sh
{
       "DateTime":"2018-07-22 13:46:03",
       "report_Hostname":"room9pc01",
       "report_IP":"176.130.4.34
192.168.4.254
192.168.2.254
201.1.1.254
201.1.2.254
172.25.254.250
172.25.0.250
192.168.6.254
192.168.122.1",
       "report_SystemVersion":"CentOS Linux release 7.4.1708 (Core) ",
       "report_CpuUser":"28.8%",
       "report_CpuSys":"0.0%",
       "report_CpuIdle":"97.0%",
       "report_MemALL":"16147372",
       "report_MemFree":"12032600",
       "report_DiskInfo":"/ 75% 29G
/dev/shm 2% 7.6G
/var/ftp/openstack-ext 100% 0
/var/lib/libvirt/images 59% 77G
/var/ftp/centos7 100% 0
/var/www/html/rhel7 100% 0
/var/ftp/rhel7 100% 0
/var/ftp/openstack 100% 0",
       "report_DefunctProsess":"0",
       "report_ProcessCount":"248",
       "report_ProcessStatus":"java getSingleProcessStats()参数错误|flume
NO|systemd YES|netns YES|"
   }

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