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70 lines
2.3 KiB
Bash
70 lines
2.3 KiB
Bash
# 使用此脚本前先执行 apt install -y net-tools bc 安装依赖
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# */10 * * * * /bin/bash /root/check_trafic.sh >> /root/check.log 2>&1 cron任务，每10分钟运行检查一次
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#!/bin/bash
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# 定义颜色
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green="\e[1;32m"
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yellow="\e[1;33m"
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re="\033[0m"
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# 设置流量阈值，单位为 GB
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threshold_traffic=5000
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# 设置 CPU 使用率阈值，单位为百分比
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threshold_cpu=99
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# 设置内存使用率阈值，单位为百分比
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threshold_memory=99
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# 获取 lxdbr0和eth0分支流量
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rx_bytes=$(/sbin/ifconfig enp1s0 | grep "RX packets" | awk '{print $5}')
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tx_bytes=$(/sbin/ifconfig enp1s0 | grep "TX packets" | awk '{print $5}')
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# 将字节转换为 GB
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rx_gb=$(echo "scale=2; $rx_bytes / (1024^3)" | bc)
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tx_gb=$(echo "scale=2; $tx_bytes / (1024^3)" | bc)
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echo -e "${yellow}RX 流量: $(echo "$rx_gb" | bc)GB${re}"
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echo -e "${yellow}TX 流量: $(echo "$tx_gb" | bc)GB${re}"
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# 计算总流量
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total_gb=$(echo "$rx_gb + $tx_gb" | bc)
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echo -e "${yellow}总共使用流量: ${total_gb}GB${re}"
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# 检查流量是否超过阈值
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if (( $(echo "$total_gb >= $threshold_traffic" | bc -l) )); then
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echo -e "${yellow}流量已超过阈值，执行关机操作...${re}"
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shutdown -h now
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else
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echo -e "${green}流量未超过阈值，继续运行...${re}"
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fi
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total_memory=$(free -m | awk '/^Mem:/{print $2}')
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used_memory=$(free -m | awk '/^Mem:/{print $3}')
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memory_usage=$(echo "scale=2; $used_memory / $total_memory * 100" | bc)
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echo -e "${yellow}总内存: ${total_memory}MB${re}"
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echo -e "${yellow}已使用内存: ${used_memory}MB${re}"
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echo -e "${yellow}当前内存使用率: ${memory_usage}%${re}"
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# 检查内存使用率是否超过阈值
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if (( $(echo "$memory_usage >= $threshold_memory" | bc -l) )); then
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echo -e "${yellow}内存使用率已达到${threshold_memory}%, 执行重启操作...${re}"
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shutdown -h now
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else
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echo -e "${green}内存使用率未达到${threshold_memory}%, 继续运行...${re}"
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fi
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# 获取当前 CPU 使用率
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cpu_usage=$(top -bn1 | grep "Cpu(s)" | awk '{print $2}' | awk -F. '{print $1}')
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echo -e "${yellow}当前CPU使用率: ${cpu_usage}%${re}"
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# 检查 CPU 使用率是否超过阈值
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if ((cpu_usage >= threshold_cpu)); then
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echo -e "${yellow}CPU使用率已达到${threshold_cpu}%, 执行关机操作...${re}"
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shutdown -h now
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else
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echo -e "${green}CPU使用率未达到${threshold_cpu}%, 继续运行...${re}"
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fi |