restartcheck: add NILRT ARM kernel version detection - #47610
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@jirikotlin is this something you could help us review? |
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@isbm You came up on GitHub's reviewers suggestions list, so I've requested a review from you here. Would you mind taking a look? |
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Oh, very nice! if distribution_i_use_at_my_office(): anyone? 😉
@10ne1 since seems NILRT does not have a proper versioning, then can we come up with something generic instead, like property checker etc, which will do decision based on that (say, "foo is installed", "bar is located there" etc) instead of hardcoding "older version" or "even_older_version" right into the code?
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I think I can modify the distro rootfs without breaking backwards compatibility such that the lsb_release DISTRIB_ID field reflects the difference between these older/newer versions and that would automatically get picked up by the existing lsb_distrib_id grain, so then we'd just have to test for grains[lsb_distrib_id] == 'nilrt'.
Are you ok with this approach?
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@rallytime seems your bot works very well! Last time I was reviewing this indeed. You should also probably take to the account number of comments posted by a reviewer... 😆 |
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Can you split this doc string into 3 lines instead of 1?
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@isbm @rallytime I've rebased on top of the develop branch and removed _is_older_nilrt in favor of the lsb_distrib_id grain which recently got fixed by #47951 |
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Detecting the NXG ARM kernel version is easy because the kernel is installed the same way as on x64, only uncompressed (uImage). For older ARM NILRT however on-disk kernel version detection is harder because the kernel is compressed and stored inside an u-boot "itb" image alongside it's device tree, ramdisk and a bootscript, so we need to extract it and decompress. Make the distinction between older vs newer NILRT useing the new lsb_distrib_id grain which recently got repurposed in NILRT. Signed-off-by: Ioan-Adrian Ratiu <adrian.ratiu@ni.com>
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Kind reminder. Ping? |
isbm
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@10ne1 oh, sorry! Thanks for the reminder, it was really needed. Yeah, looks better. I still don't like that you need to re-check the path to the image and in my personal opinion I would move it away to a separate function, like _get_kernel_path. If you would be kind to do that, go ahead.
Otherwise you can leave it as is for now.
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What does this PR do?
Adds the capability to detect ARM kernel versions to restartcheck on NI Linux RT platforms.
Tests written?
No
Commits signed with GPG?
No