Apache HTTP Server 점검 스크립트

#!/bin/sh

usage() {
  echo " Usage :"
  echo "  ./httpd_check.sh -h [webwas-home]"
  echo ""
  echo " Example :"
  echo "  $ ./httpd_check.sh -h /sw/apache/2.4/servers"
  echo ""
}
print_k_v() {
  printf "| %-20s | %s\n" "$1" "$2"
}
print_k_v_raw() {
  printf "%s^%s\n" "$1" "$2"
}
print_t_l_s() {
  printf "+----------------------+--------------------------------------------------------------------\n"
}
print_t_l_e() {
  printf "+----------------------+--------------------------------------------------------------------\n\n"
}
get_value() {
  echo $1 | cut -d'=' -f2 | sed -e 's/"//g' | sed -e 's/\/>//g'
}
get_ltrim_strip_field2() {
  echo $1 | sed -e 's/^[[:space:]]*//' | sed -e 's/"//g' | cut -d' ' -f2
}
get_ltrim_strip_varlable_field2() {
  echo $1 | sed -e 's/^[[:space:]]*//' | sed -e 's/["|$|{|}]//g' | cut -d' ' -f2
}
get_apa_custom_log() {
  if [[ $1 == *"rotatelog"* ]]; then
    apa_custom_log1=`echo $1 | cut -d' ' -f3 | awk -F "/" '{print $NF}'`
  else
    apa_custom_log1=`echo $1 | cut -d' ' -f2 | awk -F "/" '{print $NF}'`
  fi
  echo ${apa_custom_log1//\"/}
}
get_apa_error_log() {
  if [[ $1 == *"rotatelog"* ]]; then
    echo $1 | cut -d' ' -f2 | sed -e 's/\"//g' | awk -F "/" '{print $NF}'
  else
    echo $1 | cut -d' ' -f1 | sed -e 's/\"//g' | awk -F "/" '{print $NF}'
  fi

}
display_apache_server() {
  inst_count=0

  for inst in `cd $HTTPD_HOME/servers; ls -d */`
  do
    inst_count=$(($inst_count + 1))

    inst=${inst%%/}

    apa_inst_ps=`ps -ef | grep httpd | grep ${inst} | grep -v grep | head -1`
    apa_inst_user=`echo $apa_inst_ps | awk '{print $1}'`
    apa_inst_ver=`$HTTPD_HOME/bin/httpd -v | grep version`

    apa_inst_home=$HTTPD_HOME/servers/$inst
    apa_inst_ver=`$HTTPD_HOME/bin/httpd -v | grep version | sed -e 's/Server version: //g'`
    env_sh=$apa_inst_home/env.sh

    echo ""
    ps -ef | grep httpd | grep ${inst} | grep -v grep
    echo ""

    if [ -d "$env_sh" ]; then
      . $env_sh
    fi

    httpd_conf=$apa_inst_home/conf/httpd.conf
    httpd_ssl_conf=$apa_inst_home/conf/extra/httpd-ssl.conf
    httpd_default_conf=$apa_inst_home/conf/extra/httpd-default.conf
    workers_properties=$apa_inst_home/conf/workers.properties

    if [ -d "$env_sh" ]; then
      apa_inst_listen_http=`grep "^export SERVICE_PORT=" $env_sh | cut -d'=' -f2`
    else
      apa_inst_listen_http=`grep "^Listen" $httpd_conf | cut -d' ' -f2`
    fi

    netstat -an | grep tcp | grep ":$apa_inst_listen_http" | grep LISTEN  > /dev/null

    if [ $? -eq 0 ]; then
      is_apa_inst_listen_http="Listen"
    else
      is_apa_inst_listen_http="Not Listen"
    fi

    if [ -d "$env_sh" ]; then
      apa_inst_listen_https=`grep "^Listen" $env_sh | cut -d'=' -f2`
    else
      apa_inst_listen_https=`grep "^Listen" $httpd_ssl_conf | cut -d' ' -f2`
    fi

    netstat -an | grep tcp | grep ":$apa_inst_listen_https" | grep LISTEN  > /dev/null
    if [ $? -eq 0 ]; then
      is_apa_inst_listen_https="Listen"
    else
      is_apa_inst_listen_https="Not Listen"
    fi

    if [ -d "$env_sh" ]; then
      apa_inst_documrnt_root1=`get_ltrim_strip_varlable_field2 "\`grep 'DocumentRoot ' $httpd_conf | grep -v '#'\`"`
      apa_inst_document_root=`grep "^export $apa_inst_documrnt_root1=" $env_sh | cut -d'=' -f2`
    else
      apa_inst_document_root=`grep "^DocumentRoot" $httpd_conf | cut -d' ' -f2`
    fi

    if [ -d "$apa_inst_document_root" ]; then
      apa_inst_document_root_permission=`ls -ld $apa_inst_document_root | awk {'print $1'}`
    else
      apa_inst_document_root_permission="No Directory"
    fi

    apa_inst_trace_enable=`grep "^TraceEnable " $httpd_conf | cut -d' ' -f2`
    apa_inst_keep_alive=`grep "^KeepAlive " $httpd_default_conf | cut -d' ' -f2`
    apa_inst_keep_alive_timeout=`grep "^KeepAliveTimeout " $httpd_default_conf | cut -d' ' -f2`
    apa_inst_server_tokens=`grep "^ServerTokens " $httpd_default_conf | cut -d' ' -f2`
    apa_inst_server_signature=`grep "^ServerSignature " $httpd_default_conf | cut -d' ' -f2`

    apa_inst_custom_log=`get_apa_custom_log "\`grep "CustomLog " $httpd_conf | grep -v "#" | sed -e 's/^[[:space:]]*//'\`"`
    apa_inst_error_log=`get_apa_error_log "\`grep "^ErrorLog " $httpd_conf | cut -d' ' -f2-\`"`

    ## MPM

    is_mpm_line=0
    while read mpm_line
    do
      if [ $is_mpm_line -eq 0 -a "$mpm_line" == "<IfModule mpm_worker_module>" ]; then
        is_mpm_line=1
      elif [ $is_mpm_line -eq 1 -a "$mpm_line" == "</IfModule>" ]; then
        break
      fi
      if [ $is_mpm_line -eq 1 ]; then
        if [[ "$mpm_line" == *"StartServers"* ]]; then
          tmp_str=${mpm_line/"StartServers"}
          apa_inst_mpm_start_servers=${tmp_str//[[:blank:]]/}
        elif [[ "$mpm_line" == *"MaxClients"* ]]; then
          tmp_str=${mpm_line/"MaxClients"}
          apa_inst_mpm_max_clients=${tmp_str//[[:blank:]]/}
        elif [[ "$mpm_line" == *"ThreadsPerChild"* ]]; then
          tmp_str=${mpm_line/"ThreadsPerChild"}
          apa_inst_mpm_threads_per_child=${tmp_str//[[:blank:]]/}
        fi
      fi
    done < $apa_inst_home/conf/extra/httpd-mpm.conf

    echo "  <> Apache HTTP Server - $inst_count. $inst"
    echo ""
    ps -ef | grep httpd | grep ${inst} | grep -v grep
    echo ""
    print_t_l_s
    print_k_v "Hostname" "$webwas_host_name"
    print_k_v "CPU Count" "$webwas_cpu_count"
    print_k_v "Memory Total" "$webwas_mem_total"
    print_k_v "IP Address (eth)" "$webwas_ip_address"
    print_k_v "OS" "$webwas_os_info"
    print_t_l_s
    print_k_v "Apache Version" "$apa_inst_ver"
    print_k_v "WEB User" "$apa_inst_user"
    print_k_v "Instance Home" "$apa_inst_home"
    print_k_v "Start Script" "start.sh"
    print_k_v "Stop Script" "stop.sh"
    print_k_v "HTTP Port" "$apa_inst_listen_http ($is_apa_inst_listen_http)"
    print_k_v "HTTPS Port" "$apa_inst_listen_https ($is_apa_inst_listen_https)"
    print_k_v "Access Log" "$apa_inst_custom_log"
    print_k_v "Error Log" "$apa_inst_error_log"
    print_k_v "Document Root" "$apa_inst_document_root ($apa_inst_document_root_permission)"
    print_k_v "KeepAlive" "$apa_inst_keep_alive"
    print_k_v "KeepAliveTimeout" "$apa_inst_keep_alive_timeout"
    print_k_v "TraceEnable" "$apa_inst_trace_enable"
    print_k_v "ServerTokens" "$apa_inst_server_tokens"
    print_k_v "ServerSignature" "$apa_inst_server_signature"
    print_k_v "StartServers" "$apa_inst_mpm_start_servers"
    print_k_v "MaxClients" "$apa_inst_mpm_max_clients"
    print_k_v "ThreadsPerChild" "$apa_inst_mpm_threads_per_child"
    print_t_l_s

    #vhost_seq=1
    #for vhost in `cd $apa_inst_home/conf/extra/vhost; ls`
    #do
      #vhost_conf=$apa_inst_home/conf/extra/vhost/$vhost
      #vhost_name=`echo $vhost | sed -e 's/.conf//g'`
      #print_k_v "Virtual Host" "[$vhost_seq] $vhost_name"

      #_get_vhost
      #_get_urimap

      #print_k_v "- Uriworkermap" "    - `(IFS=$','; echo \"${urimap_array[*]}\")`"
      #print_k_v "- Document Root" "    - $apa_inst_vhost_document_root"
      #print_k_v "- Access Log" "    - $apa_inst_vhost_custom_log"
      #print_k_v "- Error Log" "    - $apa_inst_vhost_error_log"
    #done

    print_t_l_s

    worker_seq=1
    lb_seq=1

    IFS=","
    for lb in `grep '^worker.list=' $workers_properties | cut -d'.' -f2 | sed -e 's/list=//g'`
    do
      if [ "$lb" != "jkstatus" ]; then
        lb_name=$lb
        print_k_v "Load Balancer" "[$lb_seq] $lb_name"

        IFS=","
        for lb_worker in `grep "worker.$lb_name.balance_workers=" $workers_properties | grep -v "^#" | cut -d'=' -f2`
        do
          print_k_v "- Worker Name" "    ($worker_seq) $lb_worker"

          IFS=$IFS_NEW_LINE
          for all_worker in `grep "^worker.$lb_worker." $workers_properties \
            | grep -v '^worker.list' \
            | grep -v '^worker.template' \
            | grep -v '^worker.jkstatus' \
            | cut -d'.' -f2 \
            | sort \
            | uniq`
          do
            if [ "$lb_worker" == "$all_worker" ]; then
              print_k_v "  - Host" "        - `grep "${all_worker}.host=" $workers_properties | cut -d'=' -f2`"
              print_k_v "  - Port" "        - `grep "${all_worker}.port=" $workers_properties | cut -d'=' -f2`"
              print_k_v "  - Pool" "        - `grep "${all_worker}.connection_pool_size=" $workers_properties | cut -d'=' -f2`"
              print_k_v "  - Pool Min" "        - `grep "${all_worker}.connection_pool_minsize=" $workers_properties | cut -d'=' -f2`"
              ((worker_seq++))
            fi
          done
        done
        ((lb_seq++))
      fi
    done
    print_t_l_e
  done
}
_get_vhost() {
  apa_inst_vhost_document_root1=`get_ltrim_strip_varlable_field2 "\`grep 'DocumentRoot ' $vhost_conf | grep -v '#'\`"`
  apa_inst_vhost_document_root=`echo ${!apa_inst_vhost_document_root1} | cut -d'=' -f2`
  if [ -d "$apa_inst_vhost_document_root" ]; then
    apa_inst_vhost_document_root_permission=`ls -ld $apa_inst_vhost_document_root | awk {'print $1'}`
  else
    apa_inst_vhost_document_root_permission="No Directory"
  fi
  apa_inst_vhost_custom_log=`get_apa_custom_log "\`grep "CustomLog " $vhost_conf \
    | grep -v "#" | sed -e 's/^[[:space:]]*//'\`"`
  apa_inst_vhost_error_log=`get_apa_error_log "\`grep "^ErrorLog " $vhost_conf \
    | cut -d' ' -f2-\`"`
}
_get_urimap() {
  apa_inst_vhost_uriworkermap=`get_ltrim_strip_field2 "\`grep 'JkMountFile ' $vhost_conf | grep -v '#'\`"`
  echo $apa_inst_vhost_uriworkermap
  urimap_array=()
  if [ "$apa_inst_vhost_uriworkermap" != "" ]; then
    for urimap in `cat \`eval echo $apa_inst_vhost_uriworkermap\``
    do
      uri=`echo $urimap | cut -d'=' -f1 | sed -e 's/[\||\/]//g'`
      if [ "$uri" == "*" ]; then
        urimap_array+=("*")
      else
        urimap_array+=($uri)
      fi
    done
  fi
}

while [[ $# > 1 ]]
do
  key="$1"

  case $key in
      -h|--home)
      HTTPD_HOME="$2"
      shift # past argument
      ;;
      *)
              # unknown option
      ;;
  esac
  shift # past argument or value
done

#echo "home = $HTTPD_HOME"

IFS_NEW_LINE=$'
'

webwas_host_name=`uname -n`
if [ `ifconfig -a | grep eth0 | wc -l` -gt 0 ]; then
  webwas_ip_address=`ifconfig eth0 | grep 'inet addr:' | cut -d':' -f2 | awk '{print $1}'`
elif [ `ifconfig -a | grep eth1 | wc -l` -gt 0 ]; then
  webwas_ip_address=`ifconfig eth1 | grep 'inet addr:' | cut -d':' -f2 | awk '{print $1}'`
fi
webwas_os_info=`uname -sr`
webwas_cpu_count=`grep processor /proc/cpuinfo | wc -l`
webwas_mem_total=`grep MemTotal /proc/meminfo | cut -d':' -f2 | sed -e 's/^[[:space:]]*//'`

echo ""

display_apache_server