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https://github.com/lkddi/dell-fans-controller-docker.git
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81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
from controller.logger import logger
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from controller.ipmi import IpmiTool
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# 风扇控制器：根据iDRAC温度传感器结果自动切换风扇模式和转速
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class FanController:
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# 初始化控制器并记录iDRAC连接信息
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def __init__(self, host: str, username: str, password: str):
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self.host = host
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self.username = username
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self.password = password
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self.ipmi = IpmiTool(self.host, self.username, self.password)
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self.last_set_speed = None # 记录最后设置的风扇速度
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self.is_auto_mode = False # 记录当前是否为自动模式
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# 设置手动风扇速度
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def set_fan_speed(self, speed: int):
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logger.info(f'设置风扇速度: {speed}%')
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self.ipmi.set_fan_speed(speed)
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# 根据最高温度计算目标风扇转速
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def get_required_fan_speed(self, temperature: int) -> int:
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"""
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根据温度确定所需的风扇转速
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:param temperature: 当前最高温度
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:return: 对应的风扇转速百分比，如果应该切换到自动模式则返回-1
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"""
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if 0 < temperature <= 50:
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return 20
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elif 50 < temperature <= 55:
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return 25
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elif 55 < temperature <= 60:
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return 30
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elif 60 < temperature <= 65:
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return 40
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else:
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return -1 # 表示应切换到自动模式
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# 执行一次完整的温度读取和风扇控制周期
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def run(self):
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# 同一轮控制周期复用一次SDR结果，减少iDRAC会话压力
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sensor_data = self.ipmi.sensor()
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temperature: int = max(self.ipmi.temperature(sensor_data))
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logger.info(f'当前最高温度: {temperature}')
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required_speed = self.get_required_fan_speed(temperature)
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if required_speed == -1:
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# 需要切换到自动模式
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if not self.is_auto_mode:
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logger.info(f'切换风扇为自动模式')
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self.ipmi.switch_fan_mode(auto=True)
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self.is_auto_mode = True
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self.last_set_speed = None # 重置手动设置的速度
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else:
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logger.info(f'当前已是自动模式，无需操作')
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else:
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# 需要设置手动风扇速度
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if self.is_auto_mode:
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# 如果当前是自动模式，需要先切换到手动模式
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logger.info(f'从自动模式切换到手动模式')
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self.ipmi.switch_fan_mode(auto=False)
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self.is_auto_mode = False
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# 获取当前风扇转速
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current_speed = self.ipmi.get_fan_duty_cycle(sensor_data)
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# 只有在当前转速与所需转速不同时才调整
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# 如果无法获取当前转速（返回-1），则检查是否已记录之前设置的速度
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if current_speed == -1:
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logger.warning('无法获取当前风扇转速，为避免IPMI会话不稳定时盲目写入，本轮跳过设置')
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elif current_speed != required_speed:
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logger.info(f'当前风扇转速: {current_speed}%, 需要转速: {required_speed}%')
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self.set_fan_speed(required_speed)
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self.last_set_speed = required_speed
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else:
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logger.info(f'当前风扇转速: {current_speed}% 已符合要求，无需调整')
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