[root@hddcluster2 script]# cat test_site.sh #!/bin/bash    SITES=("http://10.0.0.2" "http://www.163.com") # 要监控的网站  NOTICE_EMAIL='me@example.com'                                 # 管理员电邮  DATE=$(date +%Y-%m-%d' '%H:%M:%S)function SENDMAIL(){         echo $1         }function CHECK_SITE_CODE(){# 循环判断每个site          for site in ${SITES[*]}; do                printf "start to access ${site}\n"              site_code=$(curl -o /dev/null -s -w %{http_code} "${site}")                printf "$(date '+%Y-%m-%d %H:%M:%S')\n"              printf "site http code return:${site_code}\n\n"            if [ ${site_code} != 200 ];                then                        echo "Subject: ${site} can't access ${DATE}" | SENDMAIL ${NOTICE_EMAIL}              fidone}function MAX_ACCESS_TIME(){       for site in ${SITES[*]}; do         site_access_time=$(curl -o /dev/null -s -w "time_connect: %{time_connect}\ntime_starttransfer: %{time_starttransfer}\ntime_total: %{time_total}" "${site}")        echo  "$site"        time_total=${site_access_time##*:}          #echo "$time_total"        printf "site access time\n${time_total}\n"        var=${time_total%.*}                if [ ${var} -ge 2 ];                        then                                echo "Subject: ${site} can't access ${DATE} " | SENDMAIL ${NOTICE_EMAIL}                fi       done}function SEND_MAIL(){        /usr/local/python}echo "check the httpd code"CHECK_SITE_CODEecho "-----------------------------------------"\necho "check max access time"MAX_ACCESS_TIME