relabel: default value for source_labels should be nil and not empty slice#5059
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relabel: default value for source_labels should be nil and not empty slice#5059
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dehaansa
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Dec 10, 2025
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PR Description
Seems like latest prometheus update relabel rules are now validated when with scrape config. When we translate our internal structure we did not generate valid rules for e.g. e.g.
labeldrop. This affects at leastprometheus.operator.*but maybe more?We need to set
source_labelsto nil and not empty slice.Which issue(s) this PR fixes
Fixes: #4992
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PR Checklist