8eab0e02df
* [202012][platform/barefoot] (#8543) Why I did it Pcied running by python 2. How I did it dropped python2 support and add python3 support for pcied in file docker-pmon.supervisord.conf.j2 How to verify it docker exec pmon supervisorctl status * [Netberg][nba715] Initial support for Netberg Aurora 715 switch Signed-off-by: Andrew Sapronov <andrew.sapronov@gmail.com> Co-authored-by: Kostiantyn Yarovyi <kostiantynx.yarovyi@intel.com>
96 lines
2.5 KiB
Python
Executable File
96 lines
2.5 KiB
Python
Executable File
#
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# psuutil.py
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# Platform-specific PSU status interface for SONiC
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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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ATTR_PATH = '/sys/class/hwmon/hwmon2/device/NBA715_POWER/'
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MAX_PSUS = 2
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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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# Get sysfs attribute
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def get_attr_value(self, path):
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retval = 'ERR'
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if not os.path.isfile(path):
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return retval
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try:
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with open(path, 'r') as file_d:
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retval = file_d.read()
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except IOError as error:
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print("Unable to open ", path, " file !", str(error))
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retval = retval.rstrip('\r\n')
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return retval
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def get_num_psus(self):
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"""
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Retrieves the number of PSUs available on the device
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:return: An integer, the number of PSUs available on the device
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"""
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return MAX_PSUS
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def get_psu_status(self, index):
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"""
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Retrieves the oprational status of power supply unit (PSU) defined
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by index <index>
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:param index: An integer, index of the PSU of which to query status
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:return: Boolean, True if PSU is operating properly, False if PSU is\
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faulty
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"""
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status = 0
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attr_file = 'psu{}_good'.format(index)
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status_path = ATTR_PATH + attr_file
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try:
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reg_file = open(status_path, 'r')
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except IOError as e:
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print("Error: unable to open file: %s" % str(e))
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return False
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text = reg_file.read()
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if int(text) == 1:
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status = 1
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reg_file.close()
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return status
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def get_psu_presence(self, index):
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"""
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Retrieves the presence status of power supply unit (PSU) defined
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by index <index>
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:param index: An integer, index of the PSU of which to query status
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:return: Boolean, True if PSU is plugged, False if not
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"""
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status = 0
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attr_file = 'psu{}_prnt'.format(index)
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presence_path = ATTR_PATH + attr_file
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try:
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reg_file = open(presence_path, 'r')
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except IOError as e:
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print("Error: unable to open file: %s" % str(e))
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return False
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text = reg_file.read()
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if int(text) == 1:
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status = 1
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reg_file.close()
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return status
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