mirror of
https://github.com/kejilion/sh.git
synced 2026-07-26 23:22:57 +08:00
69 lines
No EOL
2.3 KiB
Bash
69 lines
No EOL
2.3 KiB
Bash
# 使用此脚本前先执行 apt install -y net-tools bc 安装依赖
|
||
# */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
|
||
#!/bin/bash
|
||
|
||
# 设置流量阈值，单位为 GB
|
||
threshold_traffic=5000
|
||
|
||
# 设置 CPU 使用率阈值，单位为百分比
|
||
threshold_cpu=99
|
||
|
||
# 设置内存使用率阈值，单位为百分比
|
||
threshold_memory=99
|
||
|
||
# 获取 lxdbr0和eth0分支流量
|
||
rx_bytes=$(/sbin/ifconfig enp1s0 | grep "RX packets" | awk '{print $5}')
|
||
tx_bytes=$(/sbin/ifconfig enp1s0 | grep "TX packets" | awk '{print $5}')
|
||
rx_bytes1=$(/sbin/ifconfig lxdbr0 | grep "RX packets" | awk '{print $5}')
|
||
tx_bytes1=$(/sbin/ifconfig lxdbr0 | grep "TX packets" | awk '{print $5}')
|
||
|
||
# 将字节转换为 GB
|
||
rx_gb=$(echo "scale=2; $rx_bytes / (1024^3)" | bc)
|
||
tx_gb=$(echo "scale=2; $tx_bytes / (1024^3)" | bc)
|
||
rx_gb1=$(echo "scale=2; $rx_bytes1 / (1024^3)" | bc)
|
||
tx_gb1=$(echo "scale=2; $tx_bytes1 / (1024^3)" | bc)
|
||
|
||
echo "RX 流量: $(echo "$rx_gb + $rx_gb1" | bc)GB"
|
||
echo "TX 流量: $(echo "$tx_gb + $tx_gb1" | bc)GB"
|
||
|
||
# 计算总流量
|
||
total_gb=$(echo "$rx_gb + $tx_gb + $rx_gb1 + $tx_gb1" | bc)
|
||
|
||
echo "总流量: ${total_gb}GB"
|
||
|
||
# 检查流量是否超过阈值
|
||
if (( $(echo "$total_gb >= $threshold_traffic" | bc -l) )); then
|
||
echo "流量已超过阈值，执行关机操作..."
|
||
shutdown -h now
|
||
else
|
||
echo "流量未超过阈值，继续运行..."
|
||
fi
|
||
|
||
total_memory=$(free -m | awk '/^Mem:/{print $2}')
|
||
used_memory=$(free -m | awk '/^Mem:/{print $3}')
|
||
memory_usage=$(echo "scale=2; $used_memory / $total_memory * 100" | bc)
|
||
|
||
echo "总内存: ${total_memory}MB"
|
||
echo "已使用内存: ${used_memory}MB"
|
||
echo "当前内存使用率: ${memory_usage}%"
|
||
|
||
# 检查内存使用率是否超过阈值
|
||
if (( $(echo "$memory_usage >= $threshold_memory" | bc -l) )); then
|
||
echo "内存使用率已达到 ${threshold_memory}%, 执行重启操作..."
|
||
reboot
|
||
else
|
||
echo "内存使用率未达到 ${threshold_memory}%, 继续运行..."
|
||
fi
|
||
|
||
# 获取当前 CPU 使用率
|
||
cpu_usage=$(top -bn1 | grep "Cpu(s)" | awk '{print $2}' | awk -F. '{print $1}')
|
||
|
||
echo "当前 CPU 使用率: ${cpu_usage}%"
|
||
|
||
# 检查 CPU 使用率是否超过阈值
|
||
if ((cpu_usage >= threshold_cpu)); then
|
||
echo "CPU 使用率已达到 ${threshold_cpu}%, 执行关机操作..."
|
||
shutdown -h now
|
||
else
|
||
echo "CPU 使用率未达到 ${threshold_cpu}%, 继续运行..."
|
||
fi |
