host           string
		expectedIPList set.StringSet
		expectedErr    error
	}{
		{"localhost", set.CreateStringSet("127.0.0.1"), nil},
	}

	for _, testCase := range testCases {
		ipList, err := getHostIP(testCase.host)
		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:

func (endpoints Endpoints) GetAllStrings() (all []string) {
	for _, e := range endpoints {
		all = append(all, e.String())
	}
	return
}

func hostResolveToLocalhost(endpoint Endpoint) bool {
	hostIPs, err := getHostIP(endpoint.Hostname())
	if err != nil {
		return false
	}
	var loopback int
	for _, hostIP := range hostIPs.ToSlice() {
		if net.ParseIP(hostIP).IsLoopback() {
			loopback++
		}
	}