1 /* 2 Copyright 2016 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package util 18 19 // DeviceUtil is a util for common device methods 20 type DeviceUtil interface { 21 FindMultipathDeviceForDevice(disk string) string 22 FindSlaveDevicesOnMultipath(disk string) []string 23 GetISCSIPortalHostMapForTarget(targetIqn string) (map[string]int, error) 24 FindDevicesForISCSILun(targetIqn string, lun int) ([]string, error) 25 } 26 27 type deviceHandler struct { 28 getIo IoUtil 29 } 30 31 // NewDeviceHandler Create a new IoHandler implementation 32 func NewDeviceHandler(io IoUtil) DeviceUtil { 33 return &deviceHandler{getIo: io} 34 } 35