// is not available (in particular in some multi-cluster cases)
	return option.NewTemplateParams(opts...)
}

// substituteValues substitutes variables known to the bootstrap like pod_ip.
// "http.{pod_ip}_" with pod_id = [10.3.3.3,10.4.4.4] --> [http.10.3.3.3_,http.10.4.4.4_]
func substituteValues(patterns []string, varName string, values []string) []string {
	ret := make([]string, 0, len(patterns))
	for _, pattern := range patterns {