kubernetes/test/integration/scheduler_perf/label_selector.go

// enabled checks a a label filter that works as in GitHub:
// - empty string means enabled
// - individual labels are comma-separated
// - [+]<label> means the workload must have that label
// - -<label> means the workload must not have that label
func enabled(labelFilters []string, labels ...string) bool { … }

func containsStr(hay []string, needle string) bool { … }