}

	return "", nil, "", 0, fmt.Errorf("Spec does not reference an ISCSI volume type")
}

// get iSCSI initiator info: iface and initiator name
func getISCSIInitiatorInfo(spec *volume.Spec) (string, *string, error) {
	if spec.Volume != nil && spec.Volume.ISCSI != nil {
		return spec.Volume.ISCSI.ISCSIInterface, spec.Volume.ISCSI.InitiatorName, nil
	} else if spec.PersistentVolume != nil &&

							ISCSIInterface: "tcp",
						},
					},
				},
			},
			expectedIface: "tcp",
			expectedError: nil,
		},
	}
	for _, testcase := range tests {
		resultIface, _, err := getISCSIInitiatorInfo(testcase.spec)
		if err != testcase.expectedError || resultIface != testcase.expectedIface {
			t.Errorf("%s failed: expected err=%v iface=%s, got %v/%s", testcase.name, testcase.expectedError, testcase.expectedIface,