标签：脚本巡检 grep echo awk linux print 033 0m

Linux系统服务巡检脚本

原创李逸皓运维book思议 2023-09-24 18:01 发表于河北收录于合集 #linux系统63个 #运维103个 #shell66个

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运维book思议李小白，一个北漂的运维。希望能够通过本公众号与业内各位大神交流技术问题。 186篇原创内容公众号

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服务器巡检是IT管理和维护中至关重要的任务之一。它是一项系统性的例行工作，旨在确保服务器正常运行、性能稳定，并防止潜在问题的出现。本文将详细探讨服务器巡检的作用和重要性，以及如何执行有效的巡检。

服务器巡检的作用

1. 问题预防

服务器巡检有助于预防潜在问题的出现。通过定期检查硬件、操作系统、应用程序和网络设置，管理员可以发现并解决可能导致故障或性能下降的问题。这种预防性的维护可以避免业务中断和数据丢失，降低维修成本。

2. 性能优化

巡检还可以帮助提高服务器性能。通过监视资源利用率、识别瓶颈和调整配置，管理员可以确保服务器在最佳状态下运行。这有助于提高应用程序的响应时间，确保用户体验良好，并支持业务的增长。

3. 安全性增强

服务器巡检有助于提高系统的安全性。管理员可以检查系统和应用程序的漏洞，确保及时打补丁和更新。此外，他们还可以审查访问控制和权限设置，以减少潜在的安全威胁。

4. 数据备份和恢复

服务器巡检还包括备份和恢复策略的审查。这确保了关键数据的定期备份，并测试了恢复过程，以防止数据丢失。

5. 合规性和监管要求

对于受监管行业，如金融和医疗保健，服务器巡检是确保合规性的一部分。通过记录和审计服务器配置和操作，组织可以满足法规和监管要求，并减少潜在的法律风险。

服务器巡检的执行

服务器巡检应该是一个定期的例行工作，可以每月、每季度或每年执行一次，具体取决于组织的需求和服务器的重要性。以下是一些执行服务器巡检的关键步骤：

制定计划：确定巡检的频率和计划。确保在巡检期间不会对生产系统造成不必要的中断。

收集信息：收集有关服务器配置、操作系统、应用程序和网络设置的信息。这包括硬件规格、操作系统版本、安装的应用程序列表等。

执行巡检：根据计划执行巡检。这包括检查硬件健康状况、操作系统更新、应用程序性能、安全漏洞等。

记录结果：记录所有发现的问题和巡检的结果。这将有助于跟踪问题的解决进度。

问题解决：解决发现的问题。这可能涉及硬件更换、软件更新、性能调整等。

定期审查：定期审查和更新服务器巡检计划，以确保它仍然适应组织的需求和技术环境的变化。

巡检脚本示例

#!/bin/bash#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 $LOGPATHRESULTFILE="$LOGPATH/HostCheck-`hostname`-`date +%Y%m%d`.txt"#调用函数库[ -f /etc/init.d/functions ] && source /etc/init.d/functionsexport PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/binsource /etc/profile#root用户执行脚本[ $(id -u) -gt 0 ] && echo "请用root用户执行此脚本！" && exit 1function version(){    echo ""    echo ""    echo "[${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>&1if [ $? -eq 0 ];then   echo ""   echo -e "\033[32m网络连接：正常！\033[0m" else   echo ""   echo -e "\033[31m网络连接：异常！\033[0m" fi }function getListenStatus(){    echo ""    echo  -e "\033[33m***********************************************监听检查********************************************************\033[0m"    TCPListen=$(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 > $RESULTFILEecho -e "\033[44;37m 主机巡检结果存放在：$RESULTFILE   \033[0m"#上传检查结果的文件#curl -F "filename=@$RESULTFILE" "$uploadHostDailyCheckApi" 2>/dev/nullcat $RESULTFILE