flagger/pkg/router/util.go

package router

import (
	"strings"
)

func includeLabelsByPrefix(labels map[string]string, includeLabelPrefixes []string) map[string]string {
	filteredLabels := make(map[string]string)
	for key, value := range labels {
		for _, includeLabelPrefix := range includeLabelPrefixes {
			if includeLabelPrefix == "*" || strings.HasPrefix(key, includeLabelPrefix) {
				filteredLabels[key] = value
				break
			}
		}
	}

	return filteredLabels
}