// utility to mount a disk based filesystem func diskSetUp(manager diskManager, b iscsiDiskBuilder, volPath string, mounter mount.Interface) error { globalPDPath := manager.MakeGlobalPDName(*b.iscsiDisk) // TODO: handle failed mounts here. notMnt, err := mounter.IsLikelyNotMountPoint(volPath) if err != nil && !os.IsNotExist(err) { glog.Errorf("cannot validate mountpoint: %s", volPath) return err } if !notMnt { return nil } if err := manager.AttachDisk(b); err != nil { glog.Errorf("failed to attach disk") return err } if err := os.MkdirAll(volPath, 0750); err != nil { glog.Errorf("failed to mkdir:%s", volPath) return err } // Perform a bind mount to the full path to allow duplicate mounts of the same disk. options := []string{"bind"} if b.readOnly { options = append(options, "ro") } err = mounter.Mount(globalPDPath, volPath, "", options) if err != nil { glog.Errorf("failed to bind mount:%s", globalPDPath) return err } return nil }