services:
  smartctl-exporter:
    image: prometheuscommunity/smartctl-exporter
    privileged: true
    user: root
    ports:
      - "9633:9633"

#!/bin/bash

# smartctl_exporter 数据地址
EXPORTER_URL="http://10.115.15.20:9633/metrics"

# 默认最大温度值（异常时使用，单位：°C）
DEFAULT_MAX_TEMP=77

# 使用 curl 获取数据
TEMP_DATA=$(curl -s "$EXPORTER_URL" 2>/dev/null)

# 检查 curl 是否成功获取数据
if [[ $? -ne 0 || -z "$TEMP_DATA" ]]; then
    echo "Error: Failed to fetch data from $EXPORTER_URL" >&2
    echo $(( DEFAULT_MAX_TEMP * 1000 ))
    exit 1
fi

# 解析所有硬盘的当前温度
TEMP_DATA=$(echo "$TEMP_DATA" | grep 'smartctl_device_temperature' | grep 'temperature_type="current"' | awk '{print $2}')

# 检查是否有有效的温度数据
if [[ -z "$TEMP_DATA" ]]; then
    echo "Error: No valid temperature data found in the response from $EXPORTER_URL" >&2
    echo $(( DEFAULT_MAX_TEMP * 1000 ))
    exit 1
fi

# 初始化最大温度值
MAX_TEMP=0

# 遍历所有温度值，找出最大值
for temp in $TEMP_DATA; do
    # 忽略无效或零值（如 0°C）
    if [[ "$temp" =~ ^[0-9]+$ ]] && (( temp > MAX_TEMP )); then
        MAX_TEMP=$temp
    fi
done

# 如果最大温度仍为 0（可能所有硬盘温度均为 0 或无效），输出默认值
if (( MAX_TEMP == 0 )); then
    echo "Error: All temperatures are invalid or zero. Using default value." >&2
    echo $(( DEFAULT_MAX_TEMP * 1000 ))
    exit 1
fi

# 输出最大温度值（单位：毫摄氏度，乘以 1000）
echo $(( MAX_TEMP * 1000 ))

#!/bin/bash

# 获取最大温度值
MAX_TEMP=$(/usr/local/bin/get_max_hdd_temp.sh)

# 获取当前时间
CURRENT_TIME=$(date +"%Y-%m-%d %H:%M:%S")

# 写入文件
echo "$MAX_TEMP" > /var/lib/hdd_temp/max_hdd_temp.txt

# 记录日志到系统日志中
logger "Virtual Temperature Sensor: Updated HDD temperature to $MAX_TEMP°C at $CURRENT_TIME"

# 输出调试信息到标准输出（可选）
echo "Updated HDD temperature to $MAX_TEMP°C at $CURRENT_TIME"

[Unit]
Description=Write HDD temperature to file

[Service]
Type=oneshot
ExecStart=/usr/local/bin/write_hdd_temp.sh