TAS: allow to dump the usage of domains for TAS ResourceFlavors

[vladikkuzn]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Allows to dump the free capacity of TAS snapshots per domain.

Which issue(s) this PR fixes:

Fixes #3493

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

[k8s-ci-robot]

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[vladikkuzn]

/cc @mimowo

[vladikkuzn]

/test all

[vladikkuzn]

/ok-to-test

[vladikkuzn]

/test pull-kueue-verify-main

[gabesaba]

Please verify that this log line works properly when running integration test, and that is not affected by #4137. There is no need to write a new integration test, unless this path is not covered. We only want to make sure that this line is output properly

[vladikkuzn]

This is how it looks now: 2025/02/26 10:38:20 INFO TAS Snapshot Free Capacity freeCapacityPerDomain="map[domain1:map[cpu:2000 memory:4294967296 nvidia.com/gpu:1] domain2:map[cpu:1000 memory:2147483648]]"

[gabesaba]

Can we pretty print these? 4294967296, 2147483648 is hard for humans to read

Try this function

kueue/pkg/resources/requests.go

Lines 101 to 104 in f8015cb

	func ResourceQuantityString(name corev1.ResourceName, v int64) string {
	rq := ResourceQuantity(name, v)
	return rq.String()
	}