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[component] add auto_update_firmware() to support the auto update. #106

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merged 8 commits into from
Jan 26, 2021
Merged

[component] add auto_update_firmware() to support the auto update. #106

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f26b932
add boot_action option to fwutil update command
sujinmkang Aug 4, 2020
c03fb4e
add auto_update_firmware api to support
sujinmkang Sep 10, 2020
c8fce83
remove command argument
sujinmkang Oct 6, 2020
b6b0f41
add more clarification on return of auto_update_firmware api
sujinmkang Oct 29, 2020
3a88347
add more information on auto_update input and return values
sujinmkang Nov 20, 2020
1d56deb
review comments
sujinmkang Nov 24, 2020
4c86ecc
review comments
sujinmkang Nov 30, 2020
87cd0ee
address review comments
sujinmkang Jan 14, 2021
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32 changes: 32 additions & 0 deletions sonic_platform_base/component_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,3 +103,35 @@ def update_firmware(self, image_path):
RuntimeError: update failed
"""
raise NotImplementedError

def auto_update_firmware(self, image_path, boot_type):
"""
Updates firmware of the component

This API performs firmware update automatically based on boot_type: it assumes firmware installation
and/or creating a loading task during the reboot, if needed, in a single call.
In case platform component requires some extra steps (apart from calling Low Level Utility)
to load the installed firmware (e.g, reboot, power cycle, etc.) - this will be done automatically during the reboot.
The loading task will be created by API.

Args:
image_path: A string, path to firmware image
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image_path : can it be mentioned that the firmware_image be a self extracting binary..

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Got clarification from HLD.

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This API will have any return values? Please mention if required.

boot_type: A string, reboot type following the upgrade
- none/fast/warm/cold

Returns:
Output: A return code
return_code: An integer number, status of component firmware auto-update
- return code of a positive number indicates successful auto-update
- status_installed = 1
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@sujinmkang IMHO, status installed is not relevant for this flow, since it requires some additional steps from user (e.g., power cycle for CPLD/FPGA, etc.), thus such an operation can't be claimed as automatic firmware upgrade.

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@nazariig This has been discussed several time. auto-update is expected to be able to perform install/ update/ creating a task for the components firmware update if the update is available for the boot_type.
The decision should be done by the platform api.
For example, with cold boot, cpld firmware update can be done if the reboot plugin can handle the powercycle flag to complete the cpld firmware update. For warm/fast reboot, the cpld firmware update won't happen and the platform api will return boot_type error? fwutil will not exit for the boot_type error since the firmware auto-update is not just supported in that boot_type case.

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For warm/fast reboot, the cpld firmware update won't happen and the platform api will return boot_type error? fwutil will not exit for the boot_type error since the firmware auto-update is not just supported in that boot_type case.

@sujinmkang that is clear, but i am talking about the case when we have status_installed.
What is the use case for this status code? Basically this means that user still needs to do some manual steps to finish firmware upgrade and this is something completely different to what we call automatic.

- status_updated = 2
- status_scheduled = 3
- return_code of a negative number indicates failed auto-update
- status_err_boot_type = -1
- status_err_image = -2
- status_err_others = -3
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@sujinmkang maybe it's better to use err_unknown?

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@nazariig please review this PR again.


Raises:
RuntimeError: auto-update failure cause
"""
raise NotImplementedError