shell脚本编写--服务器资源信息简要展示

shell脚本编写--服务器资源信息简要展示

1.背景

 

展示一些简单的服务器信息

 

2.脚本

#!/usr/bin/env bash
# -----------------------------------------------------------------
# -------- 创建日期：2022-01                               --------
# -------- 作者：ywjia                                     --------
# -------- 邮箱：duxingren201955@163.com                   --------
# -----------------------------------------------------------------
# 打印log-详细日志-install_all.log
function Print_info_log() {
    echo -e "\e[1;35m INFO:$(date "+%Y-%m-%d %H:%M:%S") \e[0m $1" | tee -a /install_all.log
}
# 打印log-错误日志-install_all.log
function Print_error_log() {
    echo -e "\e[1;38m ERROR:$(date "+%Y-%m-%d %H:%M:%S") \e[0m $1" | tee -a /install_all.log
}
# 打印log-进度日志-install_show.log
function Print_show_log() {
    echo -e "\e[1;35m INFO:$(date "+%Y-%m-%d %H:%M:%S") \e[0m $1" | tee -a /install_show.log
}

function Calc_disk() {
    calc_total_size=0
    calc_array=$@
    for disksize in ${calc_array[@]}; do
        [ "${disksize}" == "0" ] && disksize=0 || disksize_t=$(echo ${disksize:0:${#disksize}-1})
        [ "$(echo ${disksize:(-1)})" == "K" ] && disksize=0
        [ "$(echo ${disksize:(-1)})" == "M" ] && disksize=$(awk 'BEGIN{printf "%.f", '$disksize_t' / 1024}')
        [ "$(echo ${disksize:(-1)})" == "T" ] && disksize=$(awk 'BEGIN{printf "%.f", '$disksize_t' * 1024}')
        [ "$(echo ${disksize:(-1)})" == "G" ] && disksize=${disksize_t}
        calc_total_size=$(awk 'BEGIN{printf "%.f", '$calc_total_size' + '$disksize'}')
    done
    echo ${calc_total_size}
}

function Get_system_info() {
    cpu_name=$(awk -F ":" '/model name/ {name=$2} END {print name}' /proc/cpuinfo)
    cpu_cores=$(awk -F":" '/processor/ {num++} END {print num}' /proc/cpuinfo)
    cpu_mhz=$(awk -F":" '/cpu MHz/ {cpu_mhz=$2} END {print cpu_mhz}' /proc/cpuinfo)

    memory_total=$(free -m | awk '/Mem/{print $2}')
    memory_used=$(free -m | awk '/Mem/{print $3}')
    #memory_free=$(free -m | awk '/Mem/{print $4}')
    memory_buff=$(free -m | awk '/Mem/{print $6}')
    memory_available=$(free -m | awk '/Mem/{print $7}')

    swap_total=$(free -m | awk '/Swap/{print $2}')
    swap_used=$(free -m | awk '/Swap/{print $3}')
    #swap_free=$(free -m | awk '/Swap/{print $4}')

    running_time=$(awk '{days=$1/86400;hours=($1%86400)/3600;mins=($1%3600)/60} {printf("%d days %d hour %d min\n",days,hours,mins)}' /proc/uptime)
    load_average=$(w | awk '/load average/{print $(NF-2),$(NF-1),$(NF) }')

    system_version=$(awk '{print $1" "$4}' /etc/redhat-release)
    system_arch=$(uname -m)
    system_kernel=$(uname -r)

    disk_size=($(LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem|\/boot' | awk '{print $2}'))
    disk_usedsize=($(LANG=C df -hPl | grep -wvE '\-|none|tmpfs|overlay|shm|udev|devtmpfs|by-uuid|chroot|Filesystem|\/boot' | awk '{print $3}'))
    disk_total_size=$(Calc_disk ${disk_size[@]})
    disk_total_usedsize=$(Calc_disk ${disk_usedsize[@]})

    virtual_info=$(dmesg) 2>/dev/null
    [[ "$virtual_info" =~ "VMware Virtual Platform" ]] && virtual_type="VMware" || virtual_type="none"

}

function Print_system_info() {
    Print_info_log " CPU 类型        Model                  : $cpu_name "
    Print_info_log " CPU 核心信息    CoreInfo               :  $cpu_cores Cores $cpu_mhz MHz $system_arch "
    Print_info_log " 虚拟化类型        virtual_info           :  $virtual_type "
    Print_info_log " 系统版本        OS_Version             :  $system_version "
    Print_info_log " 系统内核        Kernel                 :  $system_kernel "
    Print_info_log " 磁盘统计        Store                  :  $disk_total_usedsize GB / $disk_total_size GB  "
    Print_info_log " 内存统计        Memory                 :  $memory_used MB / $memory_total MB （$memory_buff MB Buff    $memory_available MB available）"
    Print_info_log " 交换分区统计    SWAP                   :  $swap_used MB / $swap_total MB "
    Print_info_log " 系统运行时间      Uptime                 :  $running_time "
    Print_info_log " 系统平均负载      Load Average           :  $load_average "
}

#主函数
function main() {
    Get_system_info
    Print_system_info

}

#------------start---------
main
#------------end-----------

 

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