def __init__(self):
super(Chassis, self).__init__()
# Initialize SKU name
self.sku_name = self._get_sku_name()
mi = get_machine_info()
if mi is not None:
self.name = mi['onie_platform']
self.platform_name = get_platform_info(mi)
else:
self.name = self.sku_name
self.platform_name = self._get_platform_name()
# move the initialization of each components to their dedicated initializer
# which will be called from platform
self.sfp_module_initialized = False
self.sfp_event_initialized = False
self.reboot_cause_initialized = False
logger.log_info("Chassis loaded successfully")
def __get_path_to_port_config_file(self):
# Get platform and hwsku
machine_info = sonic_device_util.get_machine_info()
platform = sonic_device_util.get_platform_info(machine_info)
config_db = ConfigDBConnector()
config_db.connect()
data = config_db.get_table('DEVICE_METADATA')
try:
hwsku = data['localhost']['hwsku']
except KeyError:
hwsku = "Unknown"
# Load platform module from source
platform_path = "/".join([self.PLATFORM_ROOT_PATH, platform])
hwsku_path = "/".join([platform_path, hwsku])
# First check for the presence of the new 'port_config.ini' file
port_config_file_path = "/".join([hwsku_path, "port_config.ini"])
if not os.path.isfile(port_config_file_path):
# port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
port_config_file_path = "/".join([hwsku_path, "portmap.ini"])
return port_config_file_path
def __get_platform_type(self):
return sonic_device_util.get_platform_info(
sonic_device_util.get_machine_info())
def install_component_firmware(self, component_name, image_path):
bios_image = None
bios_version = "3.25.0."
bios_file_name = "S6100*BIOS*"
flashrom = "/usr/local/bin/flashrom"
PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
machine_info = sonic_device_util.get_machine_info()
platform = sonic_device_util.get_platform_info(machine_info)
platform_path = "/".join([PLATFORM_ROOT_PATH, platform, "bin"])
warning = """
********************************************************************
* Warning - Upgrading BIOS is inherently risky and should only be *
* attempted when necessary. A failure at this upgrade may cause *
* a board RMA. Proceed with caution ! *
********************************************************************
"""
if component_name in self._component_name_list:
if component_name == self._component_name_list[0]: # BIOS
# current BIOS version
current_bios_version = self.get_firmware_version("BIOS")
# Construct BIOS image path
if image_path is not None:
image_path = image_path + platform_path
for name in glob.glob(
os.path.join(image_path, bios_file_name)):
bios_image = image_path = name
if not bios_image:
print "BIOS image file not found:", image_path
return False
# Extract BIOS image version
bios_image = os.path.basename(bios_image)
bios_image = bios_image.strip('S6100-BIOS-')
bios_image_version = bios_image.strip('.bin')
if bios_image_version.startswith(bios_version):
bios_image_minor = bios_image_version.replace(
bios_image_version[:7], '')
if bios_image_minor.startswith("2"):
bios_image_minor = bios_image_minor.split("-")[1]
if current_bios_version.startswith(bios_version):
current_bios_minor = current_bios_version.replace(
current_bios_version[:7], '')
if current_bios_minor.startswith("2"):
current_bios_minor = current_bios_minor.split("-")[1]
# BIOS version check
if bios_image_minor > current_bios_minor:
print warning
prompt_text = "New BIOS image " + bios_image_version + \
" available to install, continue?"
yes = click.confirm(prompt_text)
elif current_bios_minor > bios_image_minor:
print warning
prompt_text = "Do you want to downgrade BIOS image from " \
+ current_bios_version + " to " + \
bios_image_version + " continue?"
yes = click.confirm(prompt_text)
else:
print("BIOS is already with {} latest version".format(
current_bios_version))
return True
if yes:
command = flashrom + " -p" + " internal" + " -w " + \
image_path
self.run_command(command)
elif component_name == self._component_name_list[1]: # CPLD1
return False
elif component_name == self._component_name_list[2]: # CPLD2
return False
elif component_name == self._component_name_list[3]: # SMF
return False
else:
print "Invalid component Name:", component_name
return True