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[Marvell] Fix get_system_mac for system without eeprom (#15376)

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Why I did it
get_system_mac was returning 'None' mac for system without eeprom.
get_system_mac for marvell platform checks for mac in eeprom, profile.ini(hwsku file) and eth0. Check for valid mac returned by syseeprom was incorrect. Which was resulting in bypassing mac get from profile.ini and eth0.

How I did it
get_system_mac already has a logic to get first valid mac.
Removed null check for mac returned by eeprom.
Corrected the check for profile.ini file by checking if file exist.

How to verify it
Executed sonic-cfggen to check valid mac address is getting configured in config_db.json with/without profile.ini.
Signed-off-by: Pavan Naregundi <pnaregundi@marvell.com>
This commit is contained in:
pavannaregundi 2023-07-26 22:47:39 +05:30 committed by mssonicbld
parent 4602d30a73
commit 6876f27374
1 changed files with 11 additions and 9 deletions
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20
src/sonic-py-common/sonic_py_common/device_info.py
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@ -713,19 +713,21 @@ def get_system_mac(namespace=None):
machine_vars = get_machine_info()
(mac, err) = run_command(syseeprom_cmd)
hw_mac_entry_outputs.append((mac, err))
if not mac:
if machine_vars is not None and machine_key in machine_vars:
hwsku = machine_vars[machine_key]
profile_cmd0 = ['cat', HOST_DEVICE_PATH + '/' + platform + '/' + hwsku + '/profile.ini']
if machine_vars is not None and machine_key in machine_vars:
hwsku = machine_vars[machine_key]
profile_file = HOST_DEVICE_PATH + '/' + platform + '/' + hwsku + '/profile.ini'
if os.path.exists(profile_file):
profile_cmd0 = ['cat', profile_file]
profile_cmd1 = ['grep', 'switchMacAddress']
profile_cmd2 = ['cut', '-f2', '-d', '=']
(mac, err) = run_command_pipe(profile_cmd0, profile_cmd1, profile_cmd2)
else:
profile_cmd = ["false"]
(mac, err) = run_command(profile_cmd)
hw_mac_entry_outputs.append((mac, err))
(mac, err) = run_command_pipe(iplink_cmd0, iplink_cmd1, iplink_cmd2)
hw_mac_entry_outputs.append((mac, err))
else:
profile_cmd = ["false"]
(mac, err) = run_command(profile_cmd)
hw_mac_entry_outputs.append((mac, err))
(mac, err) = run_command_pipe(iplink_cmd0, iplink_cmd1, iplink_cmd2)
hw_mac_entry_outputs.append((mac, err))
elif (version_info['asic_type'] == 'cisco-8000'):
# Try to get valid MAC from profile.ini first, else fetch it from syseeprom or eth0
platform = get_platform()