44d9489b8d
#### Why I did it On our platforms syncd must be up while using the sonic_platform. The issue is warm-reboot script first disables syncd then instantiate Chassis, which tries to connect syncd in __init__. #### How I did it Refactor Chassis to lazy initialize components. Signed-off-by: Volodymyr Boyko <volodymyrx.boiko@intel.com>
111 lines
3.0 KiB
Python
111 lines
3.0 KiB
Python
#!/usr/bin/env python
|
|
|
|
try:
|
|
import os
|
|
import sys
|
|
|
|
sys.path.append(os.path.dirname(__file__))
|
|
|
|
from .platform_thrift_client import thrift_try
|
|
|
|
from sonic_platform_base.psu_base import PsuBase
|
|
except ImportError as e:
|
|
raise ImportError (str(e) + "- required module not found")
|
|
|
|
class Psu(PsuBase):
|
|
"""Platform-specific PSU class"""
|
|
|
|
def __init__(self, index):
|
|
PsuBase.__init__(self)
|
|
self.__index = index
|
|
|
|
'''
|
|
Units of returned info object values:
|
|
vin - V
|
|
iout - mA
|
|
vout - V
|
|
pwr_out - mW
|
|
fspeed - RPM
|
|
'''
|
|
def __info_get(self):
|
|
def psu_info_get(client):
|
|
return client.pltfm_mgr.pltfm_mgr_pwr_supply_info_get(self.__index)
|
|
|
|
return thrift_try(psu_info_get)
|
|
|
|
@staticmethod
|
|
def get_num_psus():
|
|
"""
|
|
Retrieves the number of PSUs available on the device
|
|
:return: An integer, the number of PSUs available on the device
|
|
"""
|
|
return 2
|
|
|
|
def get_powergood_status(self):
|
|
"""
|
|
Retrieves the oprational status of power supply unit (PSU) defined
|
|
by 1-based self.index <self.index>
|
|
:param self.index: An integer, 1-based self.index of the PSU of which to query status
|
|
:return: Boolean, True if PSU is operating properly, False if PSU is faulty
|
|
"""
|
|
info = self.__info_get()
|
|
return info.ffault == False and info.vout != 0
|
|
|
|
def get_voltage(self):
|
|
"""
|
|
Retrieves current PSU voltage output
|
|
|
|
Returns:
|
|
A float number, the output voltage in volts,
|
|
e.g. 12.1
|
|
"""
|
|
return float(self.__info_get().vout)
|
|
|
|
def get_current(self):
|
|
"""
|
|
Retrieves present electric current supplied by PSU
|
|
|
|
Returns:
|
|
A float number, the electric current in amperes, e.g 15.4
|
|
"""
|
|
return self.__info_get().iout / 1000.
|
|
|
|
def get_power(self):
|
|
"""
|
|
Retrieves current energy supplied by PSU
|
|
|
|
Returns:
|
|
A float number, the power in watts, e.g. 302.6
|
|
"""
|
|
return self.__info_get().pwr_out / 1000.
|
|
|
|
def get_presence(self):
|
|
"""
|
|
Retrieves the presence status of power supply unit (PSU) defined
|
|
by 1-based self.index <self.index>
|
|
:param self.index: An integer, 1-based self.index of the PSU of which to query status
|
|
:return: Boolean, True if PSU is plugged, False if not
|
|
"""
|
|
def psu_present_get(client):
|
|
return client.pltfm_mgr.pltfm_mgr_pwr_supply_present_get(self.__index)
|
|
|
|
status = thrift_try(psu_present_get)
|
|
return status
|
|
|
|
# DeviceBase iface:
|
|
def get_serial(self):
|
|
return self.__info_get().serial
|
|
|
|
def get_model(self):
|
|
return self.__info_get().model
|
|
|
|
def is_replaceable(self):
|
|
return True
|
|
|
|
def psu_list_get():
|
|
psu_list = []
|
|
for i in range(1, Psu.get_num_psus() + 1):
|
|
psu = Psu(i)
|
|
psu_list.append(psu)
|
|
return psu_list
|