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bootloader/grub2: Handle empty static configs #3300

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merged 1 commit into from
Sep 15, 2024

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@travier travier commented Sep 13, 2024

In #3205, we introduced a check to skip re-generating the GRUB config if we detect that static configs are in used by looking at bootupd's state.

Unfortunately this check is incomplete and does not account for present but null entries in the JSON state file.

A proper fix would be to parse the JSON but this requires a larger code change.

Fixes: #3295
Fixes: #3205

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openshift-ci bot commented Sep 13, 2024

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

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travier commented Sep 13, 2024

Still test / investigating if this is really the issue.

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travier commented Sep 13, 2024

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travier commented Sep 13, 2024

CI fixes in #3301

@@ -30,6 +30,7 @@
#define BOOTUPD_CONFIG "boot/bootupd-state.json"
// Horrible hack, to avoid including a JSON parser we just grep for this
#define BOOTUPD_CONFIG_STATIC_JSON_FRAGMENT "\"static-configs\""
#define BOOTUPD_CONFIG_STATIC_JSON_FRAGMENT_NULL "\"static-configs\":null"
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Ouch 😢

I dunno, maybe overdue for us to link in a json library, I had just hoped to do that with rust (that's in #3054 but nontrivial)

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Yeah, I agree it's really not great :/

In ostreedev#3205, we introduced a check to skip re-generating the GRUB config if
we detect that static configs are in used by looking at bootupd's state.

Unfortunately this check is incomplete and does not account for present
but null entries in the JSON state file.

A proper fix would be to parse the JSON but this requires a larger code
change.

Fixes: ostreedev#3295
Fixes: ostreedev#3205
@travier travier marked this pull request as ready for review September 13, 2024 23:24
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travier commented Sep 13, 2024

This is working from initial testing.

@cgwalters cgwalters merged commit 558f260 into ostreedev:main Sep 15, 2024
24 of 25 checks passed
@travier travier deleted the main-static-config-null branch September 15, 2024 19:31
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champtar commented Oct 7, 2024

Just stumbled on this bug with EL 9.4, is it already planned for backport to EL 9.4 (or 9.5) or should I open an issue/case ?
EDIT:

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Incorrect check for static configs with bootupd
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