7f4ab8fbd8
Submodule updates include the following commits: * src/sonic-utilities 9dc58ea...f9eb739 (18): > Remove unnecessary calls to str.encode() now that the package is Python 3; Fix deprecation warning (#1260) > [generate_dump] Ignoring file/directory not found Errors (#1201) > Fixed porstat rate and util issues (#1140) > fix error: interface counters is mismatch after warm-reboot (#1099) > Remove unnecessary calls to str.decode() now that the package is Python 3 (#1255) > [acl-loader] Make list sorting compliant with Python 3 (#1257) > Replace hard-coded fast-reboot with variable. And some typo corrections (#1254) > [configlet][portconfig] Remove calls to dict.has_key() which is not available in Python 3 (#1247) > Remove unnecessary conversions to list() and calls to dict.keys() (#1243) > Clean up LGTM alerts (#1239) > Add 'requests' as install dependency in setup.py (#1240) > Convert to Python 3 (#1128) > Fix mock SonicV2Connector in python3: use decode_responses mode so caller code will be the same as python2 (#1238) > [tests] Do not trim from PATH if we did not append to it; Clean up/fix shebangs in scripts (#1233) > Updates to bgp config and show commands with BGP_INTERNAL_NEIGHBOR table (#1224) > [cli]: NAT show commands newline issue after migrated to Python3 (#1204) > [doc]: Update Command-Reference.md (#1231) > Added 'import sys' in feature.py file (#1232) * src/sonic-py-swsssdk 9d9f0c6...1664be9 (2): > Fix: no need to decode() after redis client scan, so it will work for both python2 and python3 (#96) > FieldValueMap `contains`(`in`) will also work when migrated to libswsscommon(C++ with SWIG wrapper) (#94) - Also fix Python 3-related issues: - Use integer (floor) division in config_samples.py (sonic-config-engine) - Replace print statement with print function in eeprom.py plugin for x86_64-kvm_x86_64-r0 platform - Update all platform plugins to be compatible with both Python 2 and Python 3 - Remove shebangs from plugins files which are not intended to be executable - Replace tabs with spaces in Python plugin files and fix alignment, because Python 3 is more strict - Remove trailing whitespace from plugins files
92 lines
2.5 KiB
Python
92 lines
2.5 KiB
Python
#
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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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class PsuUtil(PsuBase):
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"""Platform-specific PSUutil class"""
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SYSFS_PSU_DIR = ["/sys/bus/i2c/devices/i2c-3/3-0051",
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"/sys/bus/i2c/devices/i2c-4/4-0051"]
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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, attr_path):
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retval = 'ERR'
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if (not os.path.isfile(attr_path)):
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return retval
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try:
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with open(attr_path, 'r') as fd:
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retval = fd.read()
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except Exception as error:
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logging.error("Unable to open ", attr_path, " file !")
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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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MAX_PSUS = 2
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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_pg'
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attr_path = self.SYSFS_PSU_DIR[index-1] + '/' + attr_file
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attr_value = self.get_attr_value(attr_path)
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if (attr_value != 'ERR'):
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attr_value = int(attr_value, 16)
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# Check for PSU status
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if (attr_value == 1):
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status = 1
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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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psu_absent = 0
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attr_file = 'psu_abs'
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attr_path = self.SYSFS_PSU_DIR[index-1] + '/' + attr_file
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attr_value = self.get_attr_value(attr_path)
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if (attr_value != 'ERR'):
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attr_value = int(attr_value, 16)
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# Check for PSU presence
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if (attr_value == 0):
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status = 1
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return status
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