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notes/snippet/shell/monitor/patrol.sh

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#!/bin/bash
echo " ___ ___ ___
/ /\ / /\ /__/\
/ /:/_ / /::\ \ \:\
/ /:/ /\ / /:/\:\ \ \:\
/ /:/ /::\ / /:/~/:/ _____\__\:\
/__/:/ /:/\:\ /__/:/ /:/ /__/::::::::\
\ \:\/:/~/:/ \ \:\/:/ \ \:\~~\~~\/
\ \::/ /:/ \ \::/ \ \:\
\__\/ /:/ \ \:\ \ \:\
/__/:/ \ \:\ \ \:\
\__\/ \__\/ \__\/
"
echo "SPN 日常巡查脚本输出"
# 清理屏幕
clear
function bash_os() {
# "系统基础信息"
#内核信息
kernel=$(uname -r)
#操作系统版本
release=$(cat /etc/redhat-release)
#主机名称
hostname=$HOSTNAME
#当前时间及运行时间
dateload=$(uptime | awk -F "," '{print $1}')
# 当前登录用户数
users=$(uptime | awk -F "," '{print $2}')
echo -e "\n\033[32m############## 系统基础信息 #######\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|内核信息:\033[31m $kernel \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|操作系统版本:\033[31m $release \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|当前时间及运行时间:\033[31m $dateload \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|当前登录用户数:\033[31m $users \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
function memory() {
# 内存相关数据统计`free -m`
#总内存容量
mem_total=$(free -m | awk '/Mem/{printf "%.2fG", $2/1024}')
# 用户程序占用内存量
mem_user=$(free -m | awk '/Mem/{printf "%.2fG", $3/1024}')
# 多进程共享占用内存量
mem_shared=$(free -m | awk '/Mem/{printf "%.2fG", $5/1024}')
#缓存占用内存量
mem_buff_cache=$(free -m | awk '/Mem/{printf "%.fMB", $(NF-1)}')
#空闲内存容量
mem_free=$(free -m | awk '/Mem/{printf "%.2fG", $4/1024 }')
# 剩余可用内存容量
mem_available=$(free -m | awk 'NR==2{printf "%.2fG",$NF/1024}')
# 可用内存使用占比
mem_percentage=$(free -m | awk '/Mem/{printf "%.2f", $NF/$2*100}')
#总的交换分区容量
swap_total=$(free -m | awk '/Swap/{printf "%.2fG", $2/1024}')
#用户使用的交换分区容量
swap_user=$(free -m | awk '/Swap/{printf "%.2fG",$3/1024}')
#剩余交换分区容量
swap_free=$(free -m | awk '/Swap/{printf "%.2fG",$4/1024}')
#可用交换分区占比
swap_percentage=$(free -m | awk '/Swap/{printf "%.2f",$4/$2*100}')
#占用内存资源最多的10个进程列表
top_proc_mem=$(ps --no-headers -eo rss,args | sort -k1 -n -r | head -10)
echo -e "\n\033[32m################## 内存 ############\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|总内存容量:\033[31m $mem_total \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|用户程序内存量:\033[31m $mem_user \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|多进程共享内存量:\033[31m $mem_shared \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|缓存占用内存量:\033[31m $mem_buff_cache \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|空闲内存容量:\033[31m $mem_free \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|剩余可用内存容量:\033[31m $mem_available \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|可用内存百分比：\033[31m $mem_percentage% \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "\033[32m############## 交换分区 #############\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "总的交换分区容量：\033[31m $swap_total \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|用户使用的交换分区容量：\033[31m $swap_user \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|剩余交换分区容量：\033[31m ${swap_free}"
echo -e "\033[32m------------------------------------\033[0m"
if [ $(free -m | awk '/Swap/{print $2}') -ne 0 ]; then
echo -e "|可用交换分区占比：\033[31m $swap_percentage% \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
fi
echo -e "|占用内存资源最多的10个进程列表:"
echo -e "\033[31m$top_proc_mem% \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
function cpu() {
#CPU型号
cpu_info=$(LANG=C lscpu | awk -F: '/Model name/ {print $2}')
#CPU内核数量
cpu_core=$(awk '/processor/{core++} END{print core}' /proc/cpuinfo)
#CPU最近1/5/15分钟的平均负载
load1515=$(uptime | sed 's/,/ /g' | awk '{for(i=NF-2;i<=NF;i++)print $i }' | xargs)
#发生中断数量
irq=$(vmstat 1 1 | awk 'NR==3{print $11}')
#上下文切换数量
cs=$(vmstat 1 1 | awk 'NR==3{print $12}')
#占用CPU资源最多的10个进程列表
top_proc_cpu=$(ps --no-headers -eo %cpu,args | sort -k1 -n -r | head -10)
echo -e "\n\033[32m################## CPU 相关 ############\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|CPU型号:\033[31m$cpu_info \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|CPU内核数量:\033[31m$cpu_core \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|CPU最近1/5/15分钟的平均负载:\033[31m$load1515 \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|CPU中断数量:\033[31m$irq \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|上下文切换数量:\033[31m$cs \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|占用CPU资源最多的10个进程列表:"
echo -e "\033[31m$top_proc_cpu \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
function disk_io() {
#分区挂载信息
disk=$(df -h)
# 磁盘总数
disk_total=$(vmstat -D | awk 'NR==1{print $1}')
# 分区总数
disk_sub=$(vmstat -D | awk 'NR==2{print $1}')
#磁盘分区信息
lsblk_=$(lsblk -n)
#写入磁盘的总块数
bo=$(vmstat 1 1 | awk 'NR==3{print $10}')
#从磁盘读出的块数
bi=$(vmstat 1 1 | awk 'NR==3{print $9}')
#每秒写磁盘块的速率
wa=$(vmstat 1 1 | awk 'NR==3{print $16}')
echo -e "\n\033[32m################## 磁盘IO 相关 ############\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|磁盘总数:\033[31m$disk_total \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|分区总数:\033[31m$disk_sub \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|磁盘分区信息:"
echo -e "\033[31m$lsblk_ \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|写入磁盘的总块数:\033[31m$bo \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|从磁盘读出的块数:\033[31m$bi \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|每秒写磁盘块的速率:\033[31m$wa \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|分区挂载信息:"
echo -e "\033[31m$disk \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
function procs() {
#进程数量
procs=$(ps aux | wc -l)
#用户的最大进程数
ulimit_=$(ulimit -u)
#内核设置的最大进程数
pid_max=$(sysctl kernel.pid_max | awk '{print $3}')
echo -e "\n\033[32m################## 进程 相关 ############\033[0m\n"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|进程数量:\033[31m$procs \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|用户的最大进程数:\033[31m$ulimit_ \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|内核设置的最大进程数:\033[31m$pid_max \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
function network() {
#获取网卡流量信息,接收|发送的数据流量,单位为字节(bytes)
net_monitor=$(cat /proc/net/dev | tail -n +3 | awk 'BEGIN{ print "网卡名称 入站数据流量(bytes) 出站数据流量(bytes)"} {print $1,$2,$10}' | column -t)
#获取暴露端口信息
ip_port=$(ss -ntulpa)
#本地IP地址列表
localip=$(ip a s | awk '/inet /{print $2}' )
echo -e "\n\033[32m################## 网络 相关 ############\033[0m\n"
echo -e "|本地IP地址列表:"
echo -e "\033[31m$localip \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|获取网卡流量信息:"
echo -e "\033[31m$net_monitor \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
echo -e "|获取暴露端口信息:"
echo -e "\033[31m$ip_port \033[0m"
echo -e "\033[32m------------------------------------\033[0m"
}
case $1 in
all)
bash_os
memory
cpu
disk_io
procs
network
;;
bash_os)
bash_os
;;
memory)
memory
;;
cpu)
cpu
;;
disk_io)
disk_io
;;
procs)
procs
;;
network)
network
;;
*)
echo "Usage: bash_os|memory|cup|disk_io|procs|network|all"
;;
esac
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