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流量管理

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#!/bin/bash -e

# 初始阈值为1000M，单位为字节
gosgos=$((5000 * 1024 * 1024)) # 5G
max=$((300 * 1024 * 1024 * 1024)) # 300G

nettag=$(cat /sys/class/net/eth0/statistics/tx_bytes)
end=$((nettag + gosgos))  # 初始阈值为10M

echo "speedlog" > /var/speed.log
# 循环执行
while true; do
    current_traffic=$nettag
    sleep 1m
    new_traffic=$(cat /sys/class/net/eth0/statistics/tx_bytes)
    traffic_increase=$((new_traffic - current_traffic))


    echo "本小时上行流量: $((traffic_increase / 1048576)) MB; 起始量：$((current_traffic / 1048576)) MB 阈值：$((end / 1048576)) MB"  >> /var/speed.log
    # 检查是否超过阈值
    if [ $new_traffic -ge $end ]; then
        /usr/bin/python3 /root/auto/msg.py $((traffic_increase / 1048576)) $((new_traffic / 1048576))
        echo "超过 $((gosgos / 1048576)) MB，告警告警。" >> /var/speed.log
        nettag=$(cat /sys/class/net/eth0/statistics/tx_bytes)   # 更新起始值
        end=$((nettag + gosgos)) 
    else
        echo "未超过 $((gosgos / 1048576)) MB，继续监控。"
    fi

    # 检查是否超过阈值
    if [ $new_traffic -ge $max ]; then
        /usr/bin/python3 /root/auto/msg.py 即将关机 poweroff
        shutdown -h +5
        echo "上行流量超过 $((max / 1073741824)) GB，将执行关机操作。" >> /var/speed.log.bk
    else
        echo "上行流量未超过 $((max / 1073741824)) GB，继续监控。"

    fi

    if [ $(date +%M) == "00" ]; then
        nettag=$(cat /sys/class/net/eth0/statistics/tx_bytes)  # 每1小时起始值
        end=$((nettag + gosgos))  # 阈值
        echo "新阈值为 $((end / 1048576)) MB。" >> /var/speed.log
    fi
        # 在每天午夜执行ifconfig命令
    if [ $(date +%H:%M) == "18:02" ]; then
        /usr/bin/python3 /root/auto/msg.py 每日流量情况 $((new_traffic / 1048576)) MB
    fi
done