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分享一个实用脚本—centos7系统巡检

jeson 2020-11-09 13:56:46 安全服务1597
转发一个:分享一个实用脚本—centos7系统巡检。看了这个非常的不错,也给大家分享,让您的运维不再难。

今天主要分享一个给平时运维人员用的centos7系统巡检的脚本,或者排查问题检查系统情况也可以用..

实用脚本

#!/bin/bash
##############################################################
# File Name: CenOS7.sh
# Version: V1.0
# Author: hwb
# Created Time : date
# Description: xunjian for centos7
##############################################################

#参数定义
date=`date +"%Y-%m-%d-%H:%M:%S"`
centosVersion=$(awk '{print $(NF-1)}' /etc/redhat-release)
VERSION=`date +%F`
#日志相关
LOGPATH="/tmp/awr"
[ -e $LOGPATH ] || mkdir -p $LOGPATH
RESULTFILE="$LOGPATH/HostCheck-`hostname`-`date +%Y%m%d`.txt"

#调用函数库
[ -f /etc/init.d/functions ] && source /etc/init.d/functions
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
source /etc/profile


#root用户执行脚本
[ $(id -u) -gt 0 ] && echo "请用root用户执行此脚本!" && exit 1


function version(){
   echo ""
   echo ""
   echo "[${date}] >>> `hostname -s` 主机巡检"
}


function getSystemStatus(){
   echo ""
   echo -e "\033[33m****************************************************系统检查****************************************************\033[0m"
   if [ -e /etc/sysconfig/i18n ];then
       default_LANG="$(grep "LANG=" /etc/sysconfig/i18n | grep -v "^#" | awk -F '"' '{print $2}')"
   else
       default_LANG=$LANG
   fi
   export LANG="en_US.UTF-8"
   Release=$(cat /etc/redhat-release 2>/dev/null)
   Kernel=$(uname -r)
   OS=$(uname -o)
   Hostname=$(uname -n)
   SELinux=$(/usr/sbin/sestatus | grep "SELinux status: " | awk '{print $3}')
   LastReboot=$(who -b | awk '{print $3,$4}')
   uptime=$(uptime | sed 's/.*up \([^,]*\), .*/\1/')
   echo "     系统:$OS"
   echo " 发行版本:$Release"
   echo "     内核:$Kernel"
   echo "   主机名:$Hostname"
   echo "  SELinux:$SELinux"
   echo "语言/编码:$default_LANG"
   echo " 当前时间:$(date +'%F %T')"
   echo " 最后启动:$LastReboot"
   echo " 运行时间:$uptime"
   export LANG="$default_LANG"
}

function getCpuStatus(){
   echo ""
   echo -e "\033[33m****************************************************CPU检查*****************************************************\033[0m"
   Physical_CPUs=$(grep "physical id" /proc/cpuinfo| sort | uniq | wc -l)
   Virt_CPUs=$(grep "processor" /proc/cpuinfo | wc -l)
   CPU_Kernels=$(grep "cores" /proc/cpuinfo|uniq| awk -F ': ' '{print $2}')
   CPU_Type=$(grep "model name" /proc/cpuinfo | awk -F ': ' '{print $2}' | sort | uniq)
   CPU_Arch=$(uname -m)
   echo "物理CPU个数:$Physical_CPUs"
   echo "逻辑CPU个数:$Virt_CPUs"
   echo "每CPU核心数:$CPU_Kernels"
   echo "    CPU型号:$CPU_Type"
   echo "    CPU架构:$CPU_Arch"
}

function getMemStatus(){
   echo ""
   echo  -e "\033[33m**************************************************内存检查*****************************************************\033[0m"
   if [[ $centosVersion < 7 ]];then
       free -mo
   else
       free -h
   fi
   #报表信息
   MemTotal=$(grep MemTotal /proc/meminfo| awk '{print $2}')  #KB
   MemFree=$(grep MemFree /proc/meminfo| awk '{print $2}')    #KB
   let MemUsed=MemTotal-MemFree
   MemPercent=$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")
}

function getDiskStatus(){
   echo ""
   echo -e "\033[33m**************************************************磁盘检查******************************************************\033[0m"
   df -hiP | sed 's/Mounted on/Mounted/'> /tmp/inode
   df -hTP | sed 's/Mounted on/Mounted/'> /tmp/disk
   join /tmp/disk /tmp/inode | awk '{print $1,$2,"|",$3,$4,$5,$6,"|",$8,$9,$10,$11,"|",$12}'| column -t
   #报表信息
   diskdata=$(df -TP | sed '1d' | awk '$2!="tmpfs"{print}') #KB
   disktotal=$(echo "$diskdata" | awk '{total+=$3}END{print total}') #KB
   diskused=$(echo "$diskdata" | awk '{total+=$4}END{print total}')  #KB
   diskfree=$((disktotal-diskused)) #KB
   diskusedpercent=$(echo $disktotal $diskused | awk '{if($1==0){printf 100}else{printf "%.2f",$2*100/$1}}')
   inodedata=$(df -iTP | sed '1d' | awk '$2!="tmpfs"{print}')
   inodetotal=$(echo "$inodedata" | awk '{total+=$3}END{print total}')
   inodeused=$(echo "$inodedata" | awk '{total+=$4}END{print total}')
   inodefree=$((inodetotal-inodeused))
   inodeusedpercent=$(echo $inodetotal $inodeused | awk '{if($1==0){printf 100}else{printf "%.2f",$2*100/$1}}')
}



function get_resource(){
   echo ""
   echo -e "\033[33m**************************************************资源消耗统计**************************************************\033[0m"

   echo -e "\033[36m*************带宽资源消耗统计*************\033[0m"
#用数组存放网卡名
   nic=(`ifconfig | grep ^[a-z] | grep -vE 'lo|docker0'| awk -F: '{print $1}'`)
time=`date "+%Y-%m-%d %k:%M"`
num=0

   for ((i=0;i<${#nic[@]};i++))
do
   #循环五次,避免看到的是偶然的数据
      while (( $num<5 ))
   do
     rx_before=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $2}')
        tx_before=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $10}')
  sleep 2
  #用sed先获取第7列,再用awk获取第2列,再cut切割,从第7个到最后,即只切割网卡流量数字部分
        rx_after=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $2}')
        tx_after=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $10}')
  #注意下面截取的相差2秒的两个时刻的累计和发送的bytes(即累计传送和接收的位)
        rx_result=$[(rx_after-rx_before)/1024/1024/2*8]
        tx_result=$[(tx_after-tx_before)/1024/1024/2*8]
  echo  "$time Now_In_Speed: $rx_result Mbps  Now_OUt_Speed: $tx_result Mbps" >> /tmp/network.txt
  let "num++"
   done
   #注意下面grep后面的$time变量要用双引号括起来
      rx_result=$(cat /tmp/network.txt|grep "$time"|awk '{In+=$4}END{print In}')
      tx_result=$(cat /tmp/network.txt|grep "$time"|awk '{Out+=$7}END{print Out}')
      In_Speed=$(echo "scale=2;$rx_result/5"|bc)
      Out_Speed=$(echo "scale=2;$tx_result/5"|bc)
      echo -e  "\033[32m In_Speed_average: $In_Speed Mbps Out_Speed_average: $Out_Speed Mbps! \033[0m"
done


   echo -e "\033[36m*************CPU资源消耗统计*************\033[0m"

   #使用vmstat 1 5命令统计5秒内的使用情况,再计算每秒使用情况
total=`vmstat 1 5|awk '{x+=$13;y+=$14}END{print x+y}'`
cpu_average=$(echo "scale=2;$total/5"|bc)

#判断CPU使用率(浮点数与整数比较)
if [ `echo "${cpu_average} > 70" | bc` -eq 1 ];then
    echo -e  "\033[31m Total CPU is already use: ${cpu_average}%,请及时处理!\033[0m"
   else
    echo -e  "\033[32m Total CPU is already use: ${cpu_average}%! \033[0m"
   fi


   echo -e "\033[36m*************磁盘资源消耗统计*************\033[0m"
   #磁盘使用情况(注意:需要用sed先进行格式化才能进行累加处理)
   disk_used=$(df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{used+=$3} END{print used}')
   disk_totalSpace=$(df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{totalSpace+=$2} END{print totalSpace}')
   disk_all=$(echo "scale=4;$disk_used/$disk_totalSpace" | bc)
   disk_percent1=$(echo $disk_all | cut -c 2-3)
   disk_percent2=$(echo $disk_all | cut -c 4-5)
   disk_warning=`df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{if ($5>85) print $6 "目录使用率:" $5;} '`
   
echo -e  "\033[32m Total disk has used: $disk_percent1.$disk_percent2% \033[0m"
   #echo -e "\t\t.." 表示换行
if [ -n  "$disk_warning" ];then
    echo -e "\033[31m${disk_warning} \n [Error]以上目录使用率超过85%,请及时处理!\033[0m"
fi

   echo -e "\033[36m*************内存资源消耗统计*************\033[0m"

   #获得系统总内存
memery_all=$(free -m | awk 'NR==2' | awk '{print $2}')
#获得占用内存(操作系统 角度)
system_memery_used=$(free -m | awk 'NR==2' | awk '{print $3}')
#获得buffer、cache占用内存,当内存不够时会及时回收,所以这两部分可用于可用内存的计算
buffer_used=$(free -m | awk 'NR==2' | awk '{print $6}')
cache_used=$(free -m | awk 'NR==2' | awk '{print $7}')
#获得被使用内存,所以这部分可用于可用内存的计算,注意计算方法
actual_used_all=$[memery_all-(free+buffer_used+cache_used)]
#获得实际占用的内存
actual_used_all=`expr $memery_all - $free + $buffer_used + $cache_used `
   memery_percent=$(echo "scale=4;$system_memery_used / $memery_all" | bc)
   memery_percent2=$(echo "scale=4; $actual_used_all / $memery_all" | bc)
   percent_part1=$(echo $memery_percent | cut -c 2-3)
   percent_part2=$(echo $memery_percent | cut -c 4-5)
   percent_part11=$(echo $memery_percent2 | cut -c 2-3)
   percent_part22=$(echo $memery_percent2 | cut -c 4-5)
   
#获得占用内存(操作系统角度)
   echo -e "\033[32m system memery is already use: $percent_part1.$percent_part2% \033[0m"
   #获得实际内存占用率
   echo -e "\033[32m actual memery is already use: $percent_part11.$percent_part22% \033[0m"
   echo -e "\033[32m buffer is already used : $buffer_used M \033[0m"
   echo -e "\033[32m cache is already used : $cache_used M \033[0m"
}



function getServiceStatus(){
   echo ""
   echo -e "\033[33m*************************************************服务检查*******************************************************\033[0m"
   echo ""
   if [[ $centosVersion > 7 ]];then
       conf=$(systemctl list-unit-files --type=service --state=enabled --no-pager | grep "enabled")
       process=$(systemctl list-units --type=service --state=running --no-pager | grep ".service")      
   else
       conf=$(/sbin/chkconfig | grep -E ":on|:启用")
       process=$(/sbin/service --status-all 2>/dev/null | grep -E "is running|正在运行")        
   fi
echo -e "\033[36m******************服务配置******************\033[0m"
   echo "$conf"  | column -t
   echo ""
echo -e "\033[36m**************正在运行的服务****************\033[0m"
   echo "$process"
}


function getAutoStartStatus(){
   echo ""
   echo -e "\033[33m***********************************************自启动检查*******************************************************\033[0m"
   echo -e "\033[36m****************自启动命令*****************\033[0m"
conf=$(grep -v "^#" /etc/rc.d/rc.local| sed '/^$/d')
   echo "$conf"  
}


function getLoginStatus(){
   echo ""
   echo -e "\033[33m************************************************登录检查********************************************************\033[0m"
   last | head
}

function getNetworkStatus(){
   echo ""
   echo -e "\033[33m************************************************网络检查********************************************************\033[0m"
   if [[ $centosVersion < 7 ]];then
       /sbin/ifconfig -a | grep -v packets | grep -v collisions | grep -v i
 net6
   else
       #ip a
       for i in $(ip link | grep BROADCAST | awk -F: '{print $2}');do ip add show $i | grep -E "BROADCAST|global"| awk '{print $2}' | tr '\n' ' ' ;echo "" ;done
   fi
   GATEWAY=$(ip route | grep default | awk '{print $3}')
   DNS=$(grep nameserver /etc/resolv.conf| grep -v "#" | awk '{print $2}' | tr '\n' ',' | sed 's/,$//')
   echo ""
   echo "网关:$GATEWAY "
   echo "DNS:$DNS"
   #报表信息
   IP=$(ip -f inet addr | grep -v 127.0.0.1 |  grep inet | awk '{print $NF,$2}' | tr '\n' ',' | sed 's/,$//')
   MAC=$(ip link | grep -v "LOOPBACK\|loopback" | awk '{print $2}' | sed 'N;s/\n//' | tr '\n' ',' | sed 's/,$//')
   echo ""
ping -c 4 www.baidu.com >/dev/null 2>&1
if [ $? -eq 0 ];then
  echo ""
  echo -e "\033[32m网络连接:正常!\033[0m"
else
  echo ""
  echo -e "\033[31m网络连接:异常!\033[0m"
fi
}


function getListenStatus(){
   echo ""
   echo  -e "\033[33m***********************************************监听检查********************************************************\033[0m"
   TCPListen=$(ss -ntul | column -t)
   echo "$TCPListen"
}


function getCronStatus(){
   echo ""
   echo -e "\033[33m**********************************************计划任务检查******************************************************\033[0m"
   Crontab=0
   for shell in $(grep -v "/sbin/nologin" /etc/shells);do
       for user in $(grep "$shell" /etc/passwd| awk -F: '{print $1}');do
           crontab -l -u $user >/dev/null 2>&1
           status=$?
           if [ $status -eq 0 ];then
               echo -e "\033[36m************$user用户的定时任务**************\033[0m"
               crontab -l -u $user
               let Crontab=Crontab+$(crontab -l -u $user | wc -l)
               echo ""
           fi
       done
   done
   #计划任务
   #find /etc/cron* -type f | xargs -i ls -l {} | column  -t
   #let Crontab=Crontab+$(find /etc/cron* -type f | wc -l)
}


function getHowLongAgo(){
   # 计算一个时间戳离现在有多久了
   datetime="$*"
   [ -z "$datetime" ] && echo `stat /etc/passwd|awk "NR==6"`
   Timestamp=$(date +%s -d "$datetime")  
   Now_Timestamp=$(date +%s)
   Difference_Timestamp=$(($Now_Timestamp-$Timestamp))
   days=0;hours=0;minutes=0;
   sec_in_day=$((60*60*24));
   sec_in_hour=$((60*60));
   sec_in_minute=60
   while (( $(($Difference_Timestamp-$sec_in_day)) > 1 ))
   do
       let Difference_Timestamp=Difference_Timestamp-sec_in_day
       let days++
   done
   while (( $(($Difference_Timestamp-$sec_in_hour)) > 1 ))
   do
       let Difference_Timestamp=Difference_Timestamp-sec_in_hour
       let hours++
   done
   echo "$days 天 $hours 小时前"
}


function getUserLastLogin(){
   # 获取用户最近一次登录的时间,含年份
   # 很遗憾last命令不支持显示年份,只有"last -t YYYYMMDDHHMMSS"表示某个时间之间的登录,我
   # 们只能用最笨的方法了,对比今天之前和今年元旦之前(或者去年之前和前年之前……)某个用户
   # 登录次数,如果登录统计次数有变化,则说明最近一次登录是今年。
   username=$1
   : ${username:="`whoami`"}
   thisYear=$(date +%Y)
   oldesYear=$(last | tail -n1 | awk '{print $NF}')
   while(( $thisYear >= $oldesYear));do
       loginBeforeToday=$(last $username | grep $username | wc -l)
       loginBeforeNewYearsDayOfThisYear=$(last $username -t $thisYear"0101000000" | grep $username | wc -l)
       if [ $loginBeforeToday -eq 0 ];then
           echo "从未登录过"
           break
       elif [ $loginBeforeToday -gt $loginBeforeNewYearsDayOfThisYear ];then
           lastDateTime=$(last -i $username | head -n1 | awk '{for(i=4;i<(NF-2);i++)printf"%s ",$i}')" $thisYear"
           lastDateTime=$(date "+%Y-%m-%d %H:%M:%S" -d "$lastDateTime")
           echo "$lastDateTime"
           break
       else
           thisYear=$((thisYear-1))
       fi
   done
}


function getUserStatus(){
   echo ""
   echo -e "\033[33m*************************************************用户检查*******************************************************\033[0m"
   #/etc/passwd 最后修改时间
   pwdfile="$(cat /etc/passwd)"
   Modify=$(stat /etc/passwd | grep Modify | tr '.' ' ' | awk '{print $2,$3}')
   echo "/etc/passwd: $Modify ($(getHowLongAgo $Modify))"
   echo ""
   echo -e "\033[36m******************特权用户******************\033[0m"
   RootUser=""
   for user in $(echo "$pwdfile" | awk -F: '{print $1}');do
       if [ $(id -u $user) -eq 0 ];then
           echo "$user"
           RootUser="$RootUser,$user"
       fi
   done
   echo ""
echo -e "\033[36m******************用户列表******************\033[0m"
   USERs=0
   echo "$(
   echo "用户名 UID GID HOME SHELL 最后一次登录"
   for shell in $(grep -v "/sbin/nologin" /etc/shells);do
       for username in $(grep "$shell" /etc/passwd| awk -F: '{print $1}');do
           userLastLogin="$(getUserLastLogin $username)"
           echo "$pwdfile" | grep -w "$username" |grep -w "$shell"| awk -F: -v lastlogin="$(echo "$userLastLogin" | tr ' ' '_')" '{print $1,$3,$4,$6,$7,lastlogin}'
       done
       let USERs=USERs+$(echo "$pwdfile" | grep "$shell"| wc -l)
   done
   )" | column -t
   echo ""
echo -e "\033[36m******************空密码用户****************\033[0m"
   USEREmptyPassword=""
   for shell in $(grep -v "/sbin/nologin" /etc/shells);do
           for user in $(echo "$pwdfile" | grep "$shell" | cut -d: -f1);do
           r=$(awk -F: '$2=="!!"{print $1}' /etc/shadow | grep -w $user)
           if [ ! -z $r ];then
               echo $r
               USEREmptyPassword="$USEREmptyPassword,"$r
           fi
       done    
   done
   echo ""
echo -e "\033[36m*****************相同ID用户*****************\033[0m"
   USERTheSameUID=""
   UIDs=$(cut -d: -f3 /etc/passwd | sort | uniq -c | awk '$1>1{print $2}')
   for uid in $UIDs;do
       echo -n "$uid";
       USERTheSameUID="$uid"
       r=$(awk -F: 'ORS="";$3=='"$uid"'{print ":",$1}' /etc/passwd)
       echo "$r"
       echo ""
       USERTheSameUID="$USERTheSameUID $r,"
   done
}


function getPasswordStatus {
   echo ""
   echo -e "\033[33m*************************************************密码检查*******************************************************\033[0m"
   pwdfile="$(cat /etc/passwd)"
   echo ""
   echo -e "\033[36m****************密码过期检查****************\033[0m"
   result=""
   for shell in $(grep -v "/sbin/nologin" /etc/shells);do
       for user in $(echo "$pwdfile" | grep "$shell" | cut -d: -f1);do
           get_expiry_date=$(/usr/bin/chage -l $user | grep 'Password expires' | cut -d: -f2)
           if [[ $get_expiry_date = ' never' || $get_expiry_date = 'never' ]];then
               printf "%-15s 永不过期\n" $user
               result="$result,$user:never"
           else
               password_expiry_date=$(date -d "$get_expiry_date" "+%s")
               current_date=$(date "+%s")
               diff=$(($password_expiry_date-$current_date))
               let DAYS=$(($diff/(60*60*24)))
               printf "%-15s %s天后过期\n" $user $DAYS
               result="$result,$user:$DAYS days"
           fi
       done
   done
   report_PasswordExpiry=$(echo $result | sed 's/^,//')
   echo ""
echo -e "\033[36m****************密码策略检查****************\033[0m"
   grep -v "#" /etc/login.defs | grep -E "PASS_MAX_DAYS|PASS_MIN_DAYS|PASS_MIN_LEN|PASS_WARN_AGE"
}


function getSudoersStatus(){
   echo ""
   echo -e "\033[33m**********************************************Sudoers检查*******************************************************\033[0m"
   conf=$(grep -v "^#" /etc/sudoers| grep -v "^Defaults" | sed '/^$/d')
   echo "$conf"
   echo ""
}


function getInstalledStatus(){
   echo ""
   echo -e "\033[33m*************************************************软件检查*******************************************************\033[0m"
   rpm -qa --last | head | column -t
}


function getProcessStatus(){
   echo ""
   echo -e "\033[33m*************************************************进程检查*******************************************************\033[0m"
   if [ $(ps -ef | grep defunct | grep -v grep | wc -l) -ge 1 ];then
       echo ""
       echo -e "\033[36m***************僵尸进程***************\033[0m"
       ps -ef | head -n1
       ps -ef | grep defunct | grep -v grep
   fi
echo ""
   echo -e "\033[36m************CPU占用TOP 10进程*************\033[0m"
   echo -e "用户 进程ID %CPU 命令
$(ps aux | awk '{print $1, $2, $3, $11}' | sort -k3rn | head -n 10 )"| column -t
   echo ""
   echo -e "\033[36m************内存占用TOP 10进程*************\033[0m"
   echo -e "用户 进程ID %MEM 虚拟内存  常驻内存 命令
$(ps aux | awk '{print $1, $2, $4, $5, $6, $11}' | sort -k3rn | head -n 10 )"| column -t
#echo ""
   #echo -e "\033[36m************SWAP占用TOP 10进程*************\033[0m"
#awk: fatal: cannot open file `/proc/18713/smaps' for reading (No such file or directory)
#for i in `cd /proc;ls |grep "^[0-9]"|awk ' $0 >100'`;do awk '{if (-f /proc/$i/smaps) print "$i file is not exist"; else print "$i"}';done
#    for i in `cd /proc;ls |grep "^[0-9]"|awk ' $0 >100'` ;do awk '/Swap:/{a=a+$2}END{print '"$i"',a/1024"M"}' /proc/$i/smaps ;done |sort -k2nr > /tmp/swap.txt
#echo -e "进程ID SWAP使用 $(cat /tmp/swap.txt|grep -v awk | head -n 10)"| column -t
}



function getSyslogStatus(){
   echo ""
   echo -e "\033[33m***********************************************syslog检查*******************************************************\033[0m"
   echo "SYSLOG服务状态:$(getState rsyslog)"
   echo ""
   echo -e "\033[36m***************rsyslog配置******************\033[0m"
   cat /etc/rsyslog.conf 2>/dev/null | grep -v "^#" | grep -v "^\\$" | sed '/^$/d'  | column -t
}


function getFirewallStatus(){
   echo ""
   echo -e "\033[33m***********************************************防火墙检查*******************************************************\033[0m"

   echo -e "\033[36m****************防火墙状态******************\033[0m"
   if [[ $centosVersion = 7 ]];then
       systemctl status firewalld >/dev/null  2>&1
       status=$?
       if [ $status -eq 0 ];then
               s="active"
       elif [ $status -eq 3 ];then
               s="inactive"
       elif [ $status -eq 4 ];then
               s="permission denied"
       else
               s="unknown"
       fi
   else
       s="$(getState iptables)"
   fi
   echo "firewalld: $s"
   echo ""
   echo -e "\033[36m****************防火墙配置******************\033[0m"
   cat /etc/sysconfig/firewalld 2>/dev/null
}


function getSNMPStatus(){
   #SNMP服务状态,配置等
   echo ""
   echo -e "\033[33m***********************************************SNMP检查*********************************************************\033[0m"
   status="$(getState snmpd)"
   echo "SNMP服务状态:$status"
   echo ""
   if [ -e /etc/snmp/snmpd.conf ];then
       echo "/etc/snmp/snmpd.conf"
       echo "--------------------"
       cat /etc/snmp/snmpd.conf 2>/dev/null | grep -v "^#" | sed '/^$/d'
   fi
}


function getState(){
   if [[ $centosVersion < 7 ]];then
       if [ -e "/etc/init.d/$1" ];then
           if [ `/etc/init.d/$1 status 2>/dev/null | grep -E "is running|正在运行" | wc -l` -ge 1 ];then
               r="active"
           else
               r="inactive"
           fi
       else
           r="unknown"
       fi
   else
       #CentOS 7+
       r="$(systemctl is-active $1 2>&1)"
   fi
   echo "$r"
}


function getSSHStatus(){
   #SSHD服务状态,配置,受信任主机等
   echo ""
   echo -e "\033[33m************************************************SSH检查*********************************************************\033[0m"
   #检查受信任主机
   pwdfile="$(cat /etc/passwd)"
   echo "SSH服务状态:$(getState sshd)"
   Protocol_Version=$(cat /etc/ssh/sshd_config | grep Protocol | awk '{print $2}')
   echo "SSH协议版本:$Protocol_Version"
   echo ""
   echo -e "\033[36m****************信任主机******************\033[0m"
   authorized=0
   for user in $(echo "$pwdfile" | grep /bin/bash | awk -F: '{print $1}');do
       authorize_file=$(echo "$pwdfile" | grep -w $user | awk -F: '{printf $6"/.ssh/authorized_keys"}')
       authorized_host=$(cat $authorize_file 2>/dev/null | awk '{print $3}' | tr '\n' ',' | sed 's/,$//')
       if [ ! -z $authorized_host ];then
           echo "$user 授权 \"$authorized_host\" 无密码访问"
       fi
       let authorized=authorized+$(cat $authorize_file 2>/dev/null | awk '{print $3}'|wc -l)
   done
   echo ""
   echo -e "\033[36m*******是否允许ROOT远程登录***************\033[0m"
   config=$(cat /etc/ssh/sshd_config | grep PermitRootLogin)
   firstChar=${config:0:1}
   if [ $firstChar == "#" ];then
       PermitRootLogin="yes"
   else
       PermitRootLogin=$(echo $config | awk '{print $2}')
   fi
   echo "PermitRootLogin $PermitRootLogin"
   echo ""
   echo -e "\033[36m*************ssh服务配置******************\033[0m"
   cat /etc/ssh/sshd_config | grep -v "^#" | sed '/^$/d'
}


function getNTPStatus(){
   #NTP服务状态,当前时间,配置等
   echo ""
   echo -e "\033[33m***********************************************NTP检查**********************************************************\033[0m"
   if [ -e /etc/ntp.conf ];then
       echo "NTP服务状态:$(getState ntpd)"
       echo ""
       echo -e "\033[36m*************NTP服务配置******************\033[0m"
       cat /etc/ntp.conf 2>/dev/null | grep -v "^#" | sed '/^$/d'
   fi
}


function check(){
   version
   getSystemStatus
get_resource
   getCpuStatus
   getMemStatus
   getDiskStatus
   getNetworkStatus
   getListenStatus
   getProcessStatus
   getServiceStatus
   getAutoStartStatus
   getLoginStatus
   getCronStatus
   getUserStatus
   getPasswordStatus
   getSudoersStatus
   getFirewallStatus
   getSSHStatus
   getSyslogStatus
   getSNMPStatus
   getNTPStatus
   getInstalledStatus
}
#执行检查并保存检查结果
check > $RESULTFILE
echo -e "\033[44;37m 主机巡检结果存放在:$RESULTFILE   \033[0m"

#上传检查结果的文件
#curl -F "filename=@$RESULTFILE" "$uploadHostDailyCheckApi" 2>/dev/null
cat $RESULTFILE


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