查看Tomcat集群状态

桃扇骨 2023-06-09 12:24 6阅读 0赞

# 查看Tomcat集群状态 #

> 依赖sshpass命令，所以需要先安装sshpass-1.06-1.el7.x86\_64.rpm

*  授权

chmod +x check-tocmat.sh

#!/bin/sh
    #set -ex
    
    #日志名称
    LOG_FILE=host_check_$(date "+%Y%m%d").log
    #注释变量或密码留空则执行脚本时输入
    SSHPASS=[password]
    
    if [[ ! -x $(command -v sshpass 2> /dev/null) ]]; then
      echo -e 'sshpass does not exist, you should install sshpass.'
      exit 0
    fi
    
    if [[ -z ${SSHPASS} ]]; then
      read -s -p 'Enter SSH password for hosts:' SSHPASS
      export SSHPASS
      echo
    else
      export SSHPASS
    fi
    
    cat << EOF > ~/.ssh/config
    StrictHostKeyChecking no
    EOF
    
    function format_output { 
      COL=$(($(tput cols) - 2))
      IFS= read -r -d '\n' INPUT
      MAX_LEN=$(echo "${INPUT}" | awk '{ print length($0)}' | awk 'BEGIN { max = 0} { if ($1+0 > max+0) { max=$1; content=$0} } END { print content}')
      if [[ ${MAX_LEN} -gt ${COL} ]]; then
        MAX_LEN=${COL}
      fi
      MLINE=$(awk -v len=${ MAX_LEN} 'BEGIN{OFS="─"; NF=len+1; print}')
      echo "┌${MLINE}┐"
      IFS=''
      echo -n "${INPUT}" | while read LINE; do
        if [[ -z ${LINE} ]]; then
          echo "├${MLINE}┤"
        else
          printf "│%-${MAX_LEN}s│\n" "${LINE}"
        fi
      done
      echo -e "└${MLINE}┘\n"
    }
    
    function ping_host { 
      ping -c 1 -W 1 $1 2>&1 > /dev/null || (echo -e "Host $1: Ping Failed.\n" && exit 1)
    }
    
    function get_tomcat_service { 
      for HOST_IP in $(echo $1 | tr ',' ' '); do
        (ping_host ${HOST_IP} && sshpass -e ssh root@${HOST_IP} 'bash -s' << EOF) | format_output | tee -a ${LOG_FILE}
    export LANG=en_US.UTF-8
    echo -e "Tomcat Server: ${HOST_IP}\n"
    echo -e "Tomcat Process PID, %CPU, MEM, CMD:"
    ps -eo pid,%cpu,rss,cmd | grep [a]pache-tomcat
    echo -e "\nTomcat catalina.log:"
    grep -E "^$(date -d '6 day ago' +%d-%b-%Y)|^$(date -d '5 day ago' +%d-%b-%Y)|^$(date -d '4 day ago' +%d-%b-%Y)|^$(date -d '3 day ago' +%d-%b-%Y)\ |^$(date -d '2 day ago' +%d-%b-%Y)|^$(date -d '1 day ago' +%d-%b-%Y)" /opt/apache-tomcat-8.0.52/logs/catalina.* | grep 'OutOfMemory'
    EOF
      done
    }
    
    get_tomcat_service 192.168.1.1,192.168.1.2,192.168.1.3,192.168.1.4
    
    rm -f ~/.ssh/config