config: return error when toml.DecodeFile failed.

[Defined2014]

What problem does this PR solve?

Issue Number: close #51399

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[tiprow]

Hi @Defined2014. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[codecov]

Codecov Report

Merging #51828 (1ce194c) into master (c95a54c) will increase coverage by 1.9991%.
Report is 40 commits behind head on master.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #51828        +/-   ##
================================================
+ Coverage   70.7160%   72.7151%   +1.9991%     
================================================
  Files          1476       1476                
  Lines        437502     445408      +7906     
================================================
+ Hits         309384     323879     +14495     
+ Misses       108721     101316      -7405     
- Partials      19397      20213       +816     

Flag	Coverage Δ
integration	48.9324% <0.0000%> (?)
unit	70.4743% <100.0000%> (-0.0574%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	50.9006% <ø> (+4.9969%)	⬆️

[Defined2014]

/retest

[tiprow]

@Defined2014: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-03-15 14:37:03.391742658 +0000 UTC m=+1041850.413989046: ☑️ agreed by xhebox.
• 2024-03-18 02:44:08.516995811 +0000 UTC m=+1258275.539242198: ☑️ agreed by guo-shaoge.

[easonn7]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: easonn7, guo-shaoge, xhebox

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Needs approval from an approver in each of these files:

• OWNERS [guo-shaoge,xhebox]
• pkg/config/OWNERS [easonn7]

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #52577.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #53055.