62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
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#!/usr/bin/env python
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#############################################################################
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# Celestica
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#
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# Module contains an implementation of SONiC Platform Base API and
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# provides the PSUs status which are available in the platform
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#
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#############################################################################
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import os.path
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import sonic_platform
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try:
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from sonic_platform_base.psu_base import PsuBase
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from sonic_platform.fan import Fan
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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FAN_E1031_SPEED_PATH = "/sys/class/hwmon/hwmon{}/fan1_input"
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FAN_MAX_RPM = 11000
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class Psu(PsuBase):
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"""Platform-specific Psu class"""
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def __init__(self, psu_index):
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PsuBase.__init__(self)
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self.index = psu_index
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def get_fan(self):
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"""
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Retrieves object representing the fan module contained in this PSU
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Returns:
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An object dervied from FanBase representing the fan module
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contained in this PSU
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"""
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fan_speed_path = FAN_E1031_SPEED_PATH.format(
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str(self.index+3))
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try:
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with open(fan_speed_path) as fan_speed_file:
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fan_speed_rpm = int(fan_speed_file.read())
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except IOError:
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fan_speed = 0
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fan_speed = float(fan_speed_rpm)/FAN_MAX_RPM * 100
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fan = Fan(0)
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fan.fan_speed = int(fan_speed) if int(fan_speed) <= 100 else 100
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return fan
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def set_status_led(self, color):
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"""
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Sets the state of the PSU status LED
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Args:
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color: A string representing the color with which to set the PSU status LED
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Note: Only support green and off
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Returns:
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bool: True if status LED state is set successfully, False if not
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"""
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# Hardware not supported
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return False
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