降低iDRAC会话压力并开放重试配置

start.py

@@ -5,6 +5,40 @@ import traceback
 from controller.client import FanController
 from controller.logger import logger
 
+
+# 解析整数环境变量，缺省时使用默认值
+def get_int_env(name: str, default: int, min_value: int = 1) -> int:
+    value = os.getenv(name)
+    if value is None:
+        return default
+
+    try:
+        parsed_value = int(value)
+    except ValueError as exc:
+        raise RuntimeError(f'{name} 必须是整数') from exc
+
+    if parsed_value < min_value:
+        raise RuntimeError(f'{name} 必须大于等于 {min_value}')
+
+    return parsed_value
+
+
+# 解析布尔环境变量，支持 true/false、1/0、yes/no
+def get_bool_env(name: str, default: bool = False) -> bool:
+    value = os.getenv(name)
+    if value is None:
+        return default
+
+    normalized_value = value.strip().lower()
+    if normalized_value in ('1', 'true', 'yes', 'on'):
+        return True
+
+    if normalized_value in ('0', 'false', 'no', 'off'):
+        return False
+
+    raise RuntimeError(f'{name} 必须是布尔值: true/false')
+
+
 if __name__ == '__main__':
 
     # 从环境变量读取iDRAC连接信息，开源版本不内置任何真实默认凭据
@@ -15,6 +49,12 @@ if __name__ == '__main__':
     fan_speed_steps = os.getenv('FAN_SPEED_STEPS')
     if fan_speed_steps is None:
         fan_speed_steps = os.getenv('FAN_SPEED_RULES')
+    control_interval = get_int_env('CONTROL_INTERVAL_SECONDS', 120)
+    error_interval = get_int_env('ERROR_INTERVAL_SECONDS', control_interval)
+    ipmi_retry_count = get_int_env('IPMI_RETRY_COUNT', 5)
+    ipmi_retry_delay = get_int_env('IPMI_RETRY_DELAY_SECONDS', 20)
+    ipmi_timeout = get_int_env('IPMI_TIMEOUT_SECONDS', 60)
+    use_raw_fan_duty = get_bool_env('USE_RAW_FAN_DUTY', False)
     if not host:
         raise RuntimeError('未设置 HOST 环境变量')
 
@@ -30,16 +70,20 @@ if __name__ == '__main__':
         username=username,
         password=password,
         fan_speed_steps=fan_speed_steps,
+        ipmi_retry_count=ipmi_retry_count,
+        ipmi_retry_delay=ipmi_retry_delay,
+        ipmi_timeout=ipmi_timeout,
+        use_raw_fan_duty=use_raw_fan_duty,
     )
 
     while True:
         try:            
             # 执行一次温度读取和风扇控制周期
             client.run()
-            time.sleep(60)
+            time.sleep(control_interval)
         except Exception as err:
             logger.error(
                 f'运行控制器失败 {err}. {traceback.format_exc()}'
             )
             # iDRAC会话异常时等待下一轮，避免连续请求压垮IPMI服务
-            time.sleep(60)
+            time.sleep(error_interval)