def __init__(self):
super(Chassis, self).__init__()
# Initialize SKU name
self.sku_name = self._get_sku_name()
# Initialize PSU list
for index in range(MLNX_NUM_PSU):
psu = Psu(index, self.sku_name)
self._psu_list.append(psu)
# Initialize watchdog
self._watchdog = get_watchdog()
# Initialize FAN list
multi_rotor_in_drawer = False
num_of_fan, num_of_drawer = self._extract_num_of_fans_and_fan_drawers()
multi_rotor_in_drawer = num_of_fan > num_of_drawer
for index in range(num_of_fan):
if multi_rotor_in_drawer:
fan = Fan(index, index / 2)
else:
fan = Fan(index, index)
self._fan_list.append(fan)
# Initialize SFP list
port_position_tuple = self._get_port_position_tuple_by_sku_name()
self.PORT_START = port_position_tuple[0]
self.QSFP_PORT_START = port_position_tuple[1]
self.PORT_END = port_position_tuple[2]
self.PORTS_IN_BLOCK = port_position_tuple[3]
for index in range(self.PORT_START, self.PORT_END + 1):
if index in range(self.QSFP_PORT_START, self.PORTS_IN_BLOCK + 1):
sfp_module = SFP(index, 'QSFP')
else:
sfp_module = SFP(index, 'SFP')
self._sfp_list.append(sfp_module)
# Initialize thermals
initialize_thermals(self.sku_name, self._thermal_list, self._psu_list)
# Initialize EEPROM
self.eeprom = Eeprom()
# Initialize component list
self._component_name_list.append(COMPONENT_BIOS)
self._component_name_list.append(COMPONENT_FIRMWARE)
self._component_name_list.append(COMPONENT_CPLD1)
self._component_name_list.append(COMPONENT_CPLD2)
# Initialize sfp-change-listening stuff
self._init_sfp_change_event()
def __init__(self):
ChassisBase.__init__(self)
# Initialize PSU list
for index in range(MLNX_NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
# Initialize watchdog
self._watchdog = get_watchdog()
# Initialize FAN list
multi_rotor_in_drawer = False
num_of_fan, num_of_drawer = self._extract_num_of_fans_and_fan_drawers()
multi_rotor_in_drawer = num_of_fan > num_of_drawer
for index in range(num_of_fan):
if multi_rotor_in_drawer:
fan = Fan(index, index / 2)
else:
fan = Fan(index, index)
self._fan_list.append(fan)
def __init__(self):
ChassisBase.__init__(self)
# Initialize PSU list
for index in range(MLNX_NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
# Initialize watchdog
self._watchdog = get_watchdog()
# Initialize FAN list
multi_rotor_in_drawer = False
num_of_fan, num_of_drawer = self._extract_num_of_fans_and_fan_drawers()
multi_rotor_in_drawer = num_of_fan > num_of_drawer
for index in range(num_of_fan):
if multi_rotor_in_drawer:
fan = Fan(index, index/2)
else:
fan = Fan(index, index)
self._fan_list.append(fan)
def get_watchdog(self):
"""
Retrieves hardware watchdog device on this chassis
Returns:
An object derived from WatchdogBase representing the hardware
watchdog device
Note:
We overload this method to ensure that watchdog is only initialized
when it is referenced. Currently, only one daemon can open the watchdog.
To initialize watchdog in the constructor causes multiple daemon
try opening watchdog when loading and constructing a chassis object
and fail. By doing so we can eliminate that risk.
"""
try:
if self._watchdog is None:
from sonic_platform.watchdog import get_watchdog
self._watchdog = get_watchdog()
except Exception as e:
logger.log_info("Fail to load watchdog due to {}".format(repr(e)))
return self._watchdog
def __init__(self):
ChassisBase.__init__(self)
# Initialize PSU list
for index in range(MLNX_NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
# Initialize watchdog
self._watchdog = get_watchdog()
# Initialize FAN list
multi_rotor_in_drawer = False
num_of_fan, num_of_drawer = self._extract_num_of_fans_and_fan_drawers()
multi_rotor_in_drawer = num_of_fan > num_of_drawer
for index in range(num_of_fan):
if multi_rotor_in_drawer:
fan = Fan(index, index / 2)
else:
fan = Fan(index, index)
self._fan_list.append(fan)
# Initialize SFP list
port_position_tuple = self._get_port_position_tuple_by_sku_name()
self.PORT_START = port_position_tuple[0]
self.QSFP_PORT_START = port_position_tuple[1]
self.PORT_END = port_position_tuple[2]
self.PORTS_IN_BLOCK = port_position_tuple[3]
for index in range(self.PORT_START, self.PORT_END + 1):
if index in range(QSFP_PORT_START, self.PORTS_IN_BLOCK + 1):
sfp_module = SFP(index, 'QSFP')
else:
sfp_module = SFP(index, 'SFP')
self._psu_list.append(sfp_module)
