237 lines
7.4 KiB
Python
237 lines
7.4 KiB
Python
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#
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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 logging
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import commands
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Z9332F_MAX_PSUS = 2
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FRU_PSUL = 11
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FRU_PSUR = 12
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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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IPMI_PSU1_DATA = "ipmitool raw 0x04 0x2d 0x2f | awk '{print substr($0,9,1)}'"
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IPMI_PSU2_DATA = "ipmitool raw 0x04 0x2d 0x39 | awk '{print substr($0,9,1)}'"
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IPMI_PSU_VOUT = "ipmitool sdr get PSU{0}_VOut"
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IPMI_PSU_POUT = "ipmitool sdr get PSU{0}_POut"
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IPMI_PSU_COUT = "ipmitool sdr get PSU{0}_COut"
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IPMI_PSU_FAN_SPEED = "ipmitool sdr get PSU{0}_Fan"
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IPMI_FRU = "ipmitool fru"
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IPMI_FRU_DATA = "ipmitool fru print {0}"
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def __init__(self):
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PsuBase.__init__(self)
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def isDockerEnv(self):
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num_docker = open('/proc/self/cgroup', 'r').read().count(":/docker")
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if num_docker > 0:
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return True
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else:
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return False
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def get_psu_vout(self,index):
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try:
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ret_status, ipmi_cmd_ret = commands.getstatusoutput(self.IPMI_PSU_VOUT.format(index))
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if ret_status == 0:
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rdata = ipmi_cmd_ret.splitlines()[3].split(':')[1].split(' ')[1]
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return rdata
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except Exception:
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logging.error('Failed to execute : %s'%self.IPMI_PSU_VOUT.format(index))
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def get_psu_cout(self,index):
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try:
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ret_status, ipmi_cmd_ret = commands.getstatusoutput(self.IPMI_PSU_COUT.format(index))
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if ret_status == 0:
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rdata = ipmi_cmd_ret.splitlines()[3].split(':')[1].split(' ')[1]
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return rdata
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except Exception:
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logging.error('Failed to execute : %s'%self.IPMI_PSU_COUT.format(index))
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def get_psu_pout(self,index):
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try:
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ret_status, ipmi_cmd_ret = commands.getstatusoutput(self.IPMI_PSU_POUT.format(index))
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if ret_status == 0:
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rdata = ipmi_cmd_ret.splitlines()[3].split(':')[1].split(' ')[1]
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return rdata
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except Exception:
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logging.error('Failed to execute : %s'%self.IPMI_PSU_POUT.format(index))
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def get_psu_fan_speed(self,index):
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try:
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ret_status, ipmi_cmd_ret = commands.getstatusoutput(self.IPMI_PSU_FAN_SPEED.format(index))
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if ret_status == 0:
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rdata = ipmi_cmd_ret.splitlines()[3].split(':')[1].split(' ')[1]
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return rdata
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except Exception:
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logging.error('Failed to execute : %s'%self.IPMI_PSU_FAN_SPEED.format(index))
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#Fetch FRU Data for given fruid
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def get_psu_airflow(self, index):
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if index == 1:
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fru_id = 'FRU_PSUL'
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else:
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fru_id = 'FRU_PSUR'
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ret_status, ipmi_cmd_ret = commands.getstatusoutput(self.IPMI_FRU)
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if ret_status:
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logging.error('Failed to execute ipmitool: '+ self.IPMI_FRU)
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found_fru = False
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for line in ipmi_cmd_ret.splitlines():
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if line.startswith('FRU Device Description') and fru_id in line.split(':')[1] :
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found_fru = True
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if found_fru and line.startswith(' Board Product '):
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return ' B2F' if 'PS/IO' in line else ' F2B'
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return ''
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# Read FRU info
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def get_fru_info(self,fru_id,reg_name):
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output = None
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Found = False
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try:
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status, ipmi_fru_list = commands.getstatusoutput(self.IPMI_FRU_DATA.format(fru_id))
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if status == 0:
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for item in ipmi_fru_list.split("\n"):
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if reg_name == item.split(':')[0].strip(' '):
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output = item.strip()
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output = output.split(':')[1]
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Found = True
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break;
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if not Found:
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logging.error('\nFailed to fetch: ' + reg_name + ' sensor ')
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return output
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except Exception:
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logging.error('Failed to execute:' + ipmi_fru_list)
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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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Z9332F_MAX_PSUS = 2
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return Z9332F_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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psu_status = '0'
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if index == 1:
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cmd_status, psu_status = commands.getstatusoutput(self.IPMI_PSU1_DATA)
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elif index == 2:
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cmd_status, psu_status = commands.getstatusoutput(self.IPMI_PSU2_DATA)
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else:
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logging.error("Invalid PSU number:" + index)
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if cmd_status:
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logging.error('Failed to execute ipmitool')
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return (not int(psu_status, 16) > 1)
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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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psu_status = '0'
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if index == 1:
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cmd_status, psu_status = commands.getstatusoutput(self.IPMI_PSU1_DATA)
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elif index == 2:
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cmd_status, psu_status = commands.getstatusoutput(self.IPMI_PSU2_DATA)
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else:
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logging.error("Invalid PSU number:" + index)
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if cmd_status:
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logging.error('Failed to execute ipmitool')
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return (int(psu_status, 16) & 1)
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def get_output_voltage(self, index):
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if index is None:
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return 0.0
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psuvoltage=self.get_psu_vout(index)
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return float(psuvoltage.strip())
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def get_output_current(self, index):
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if index is None:
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return 0.0
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psucurrent=self.get_psu_cout(index)
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return float(psucurrent.strip())
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def get_output_power(self, index):
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if index is None:
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return 0.0
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psupower=self.get_psu_pout(index)
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return float(psupower.strip())
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def get_fan_rpm(self, index, fan_idx):
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if index is None:
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return 0
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fanrpm=self.get_psu_fan_speed(index)
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return int(fanrpm.strip())
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def get_serial(self, index):
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if index is None:
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return None
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if index == 1:
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fru_id = FRU_PSUL
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else:
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fru_id = FRU_PSUR
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return self.get_fru_info(fru_id,'Board Serial')
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def get_model(self, index):
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if index is None:
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return None
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if index == 1:
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fru_id = FRU_PSUL
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else:
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fru_id = FRU_PSUR
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return self.get_fru_info(fru_id,'Board Part Number')
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def get_mfr_id(self, index):
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if index is None:
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return None
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if index == 1:
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fru_id = FRU_PSUL
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else:
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fru_id = FRU_PSUR
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return self.get_fru_info(fru_id,'Board Mfg')
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def get_direction(self, index):
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if index is None:
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return None
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direction=self.get_psu_airflow(index).strip()
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if direction == 'B2F':
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return "INTAKE"
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elif direction == 'F2B':
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return "EXHAUST"
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else:
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return None
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