func matchingNamespaces(hostname string, namespaces []*sd.NamespaceSummary) []*sd.NamespaceSummary {
	matchingNamespaces := make([]*sd.NamespaceSummary, 0)

	for _, ns := range namespaces {
		if *ns.Name == hostname {
			matchingNamespaces = append(matchingNamespaces, ns)
		}
	}

	return matchingNamespaces
}
func matchingNamespaces(hostname string, namespaces []*sd.NamespaceSummary) []*sd.NamespaceSummary {
	matchingNamespaces := make([]*sd.NamespaceSummary, 0)

	for _, ns := range namespaces {
		if *ns.Name == hostname {
			matchingNamespaces = append(matchingNamespaces, ns)
		}
	}

	return matchingNamespaces
}
// returns list of all namespaces matching given hostname