class Chassis(ChassisBase):
"""Platform-specific Chassis class"""
def __init__(self):
self.config_data = {}
for index in range(0, NUM_FAN):
fan = Fan(index)
self._fan_list.append(fan)
for index in range(0, NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
ChassisBase.__init__(self)
self._component_device = Device("component")
self._component_name_list = self._component_device.get_name_list()
self._watchdog = Watchdog()
def __read_config_db(self):
try:
with open(CONFIG_DB_PATH, 'r') as fd:
data = json.load(fd)
return data
except IOError:
raise IOError("Unable to open config_db file !")
def __read_txt_file(self, file_path):
try:
with open(file_path, 'r') as fd:
data = fd.read()
return data.strip()
except IOError:
raise IOError("Unable to open %s file !" % file_path)
def get_base_mac(self):
"""
Retrieves the base MAC address for the chassis
Returns:
A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX'
"""
try:
self.config_data = self.__read_config_db()
base_mac = self.config_data["DEVICE_METADATA"]["localhost"]["mac"]
return str(base_mac)
except KeyError:
return str(None)
def get_firmware_version(self, component_name):
"""
Retrieves platform-specific hardware/firmware versions for chassis
componenets such as BIOS, CPLD, FPGA, etc.
Args:
type: A string, component name
Returns:
A string containing platform-specific component versions
"""
self.component = Component(component_name)
if component_name not in self._component_name_list:
return None
return self.component.get_firmware_version()
def install_component_firmware(self, component_name, image_path):
"""
Install firmware to module
Args:
type: A string, component name.
image_path: A string, path to firmware image.
Returns:
A boolean, True if install successfully, False if not
"""
self.component = Component(component_name)
if component_name not in self._component_name_list:
return False
return self.component.upgrade_firmware(image_path)
def get_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
Returns:
A tuple (string, string) where the first element is a string
containing the cause of the previous reboot. This string must be
one of the predefined strings in this class. If the first string
is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
to pass a description of the reboot cause.
"""
self.component = Component("CPLD1")
description = 'None'
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
hw_reboot_cause = self.component.get_register_value(RESET_REGISTER)
sw_reboot_cause = self.__read_txt_file(REBOOT_CAUSE_PATH)
if sw_reboot_cause != "Unexpected reboot":
reboot_cause = self.REBOOT_CAUSE_NON_HARDWARE
description = sw_reboot_cause
elif hw_reboot_cause == "0x11":
reboot_cause = self.REBOOT_CAUSE_POWER_LOSS
elif hw_reboot_cause == "0x22":
reboot_cause = self.REBOOT_CAUSE_WATCHDOG,
else:
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
description = 'Unknown reason'
return (reboot_cause, description)
class Chassis(ChassisBase):
"""Platform-specific Chassis class"""
def __init__(self):
self.config_data = {}
for index in range(0, NUM_FAN):
fan = Fan(index)
self._fan_list.append(fan)
for index in range(0, NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
for index in range(0, NUM_THERMAL):
thermal = Thermal(index)
self._thermal_list.append(thermal)
for index in range(0, NUM_SFP):
sfp = Sfp(index)
self._sfp_list.append(sfp)
ChassisBase.__init__(self)
self._component_name_list = COMPONENT_NAME_LIST
self._watchdog = Watchdog()
self._eeprom = Tlv()
def __read_txt_file(self, file_path):
try:
with open(file_path, 'r') as fd:
data = fd.read()
return data.strip()
except IOError:
raise IOError("Unable to open %s file !" % file_path)
def get_base_mac(self):
"""
Retrieves the base MAC address for the chassis
Returns:
A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX'
"""
return self._eeprom.get_mac()
def get_serial_number(self):
"""
Retrieves the hardware serial number for the chassis
Returns:
A string containing the hardware serial number for this chassis.
"""
return self._eeprom.get_serial()
def get_system_eeprom_info(self):
"""
Retrieves the full content of system EEPROM information for the chassis
Returns:
A dictionary where keys are the type code defined in
OCP ONIE TlvInfo EEPROM format and values are their corresponding
values.
"""
return self._eeprom.get_eeprom()
def get_firmware_version(self, component_name):
"""
Retrieves platform-specific hardware/firmware versions for chassis
componenets such as BIOS, CPLD, FPGA, etc.
Args:
type: A string, component name
Returns:
A string containing platform-specific component versions
"""
self.component = Component(component_name)
if component_name not in self._component_name_list:
return None
return self.component.get_firmware_version()
def install_component_firmware(self, component_name, image_path):
"""
Install firmware to module
Args:
type: A string, component name.
image_path: A string, path to firmware image.
Returns:
A boolean, True if install successfully, False if not
"""
self.component = Component(component_name)
if component_name not in self._component_name_list:
return False
return self.component.upgrade_firmware(image_path)
def get_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
Returns:
A tuple (string, string) where the first element is a string
containing the cause of the previous reboot. This string must be
one of the predefined strings in this class. If the first string
is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
to pass a description of the reboot cause.
"""
self.component = Component("SMC_CPLD")
description = 'None'
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
hw_reboot_cause = self.component.get_register_value(RESET_REGISTER)
sw_reboot_cause = self.__read_txt_file(REBOOT_CAUSE_PATH)
if sw_reboot_cause != "Unexpected reboot":
reboot_cause = self.REBOOT_CAUSE_NON_HARDWARE
description = sw_reboot_cause
elif hw_reboot_cause == "0x11":
reboot_cause = self.REBOOT_CAUSE_POWER_LOSS
elif hw_reboot_cause == "0x33" or hw_reboot_cause == "0x55":
reboot_cause = self.REBOOT_CAUSE_WATCHDOG
else:
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
description = 'Unknown reason'
return (reboot_cause, description)
