62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
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#!/usr/bin/env python
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#############################################################################
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# Accton
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#
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# Module contains an implementation of SONiC PSU 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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try:
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from sonic_psu.psu_base import PsuBase
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except ImportError as e:
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raise ImportError (str(e) + "- required module not found")
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class PsuUtil(PsuBase):
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"""Platform-specific PSUutil class"""
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def __init__(self):
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PsuBase.__init__(self)
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self.psu_path = "/sys/bus/i2c/devices/"
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self.psu_presence = "/psu_present"
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self.psu_oper_status = "/psu_power_good"
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self.psu_mapping = {
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2: "11-0053",
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1: "10-0050",
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}
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def get_num_psus(self):
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return len(self.psu_mapping)
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def get_psu_status(self, index):
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if index is None:
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return False
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status = 0
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node = self.psu_path + self.psu_mapping[index]+self.psu_oper_status
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try:
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with open(node, 'r') as power_status:
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status = int(power_status.read())
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except IOError:
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return False
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return status == 1
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def get_psu_presence(self, index):
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if index is None:
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return False
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status = 0
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node = self.psu_path + self.psu_mapping[index] + self.psu_presence
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try:
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with open(node, 'r') as presence_status:
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status = int(presence_status.read())
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except IOError:
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return False
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return status == 1
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