koordlet: fix batch resource plugin for empty label pods

[saintube]

Signed-off-by: saintube saintube@foxmail.com

Ⅰ. Describe what this PR does

Fix the batch resource plugin when the BE pod has no label or annotation.

Also, fix some log format errors.

Ⅱ. Does this pull request fix one issue?

Currently, the batch resource plugin aborts set cgroup resources when a BE pod has no label or annotation since it checks if both of them are non-nil.

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[zwzhang0107]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: zwzhang0107

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[zwzhang0107]

/lgtm

[codecov]

Codecov Report

Base: 67.00% // Head: 66.97% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (cc4b971) compared to base (2fcd601).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #952      +/-   ##
==========================================
- Coverage   67.00%   66.97%   -0.04%     
==========================================
  Files         243      243              
  Lines       28169    28166       -3     
==========================================
- Hits        18876    18865      -11     
- Misses       8006     8012       +6     
- Partials     1287     1289       +2     

Flag	Coverage Δ
unittests	66.97% <0.00%> (-0.04%)	⬇️

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

Impacted Files	Coverage Δ
...runtimehooks/hooks/batchresource/batch_resource.go	69.54% <ø> (-0.38%)	⬇️
pkg/koordlet/runtimehooks/protocol/pod_context.go	7.33% <0.00%> (ø)
pkg/koordlet/runtimehooks/reconciler/reconciler.go	65.88% <0.00%> (-1.18%)	⬇️
pkg/scheduler/plugins/coscheduling/core/gang.go	75.15% <0.00%> (-0.93%)	⬇️
pkg/util/httputil/reverseproxy.go	84.30% <0.00%> (-0.80%)	⬇️

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[jasonliu747]

/lgtm