disk

type Disk struct {
	IQN  string
	IPv4 string
	Port int
}

type Interface interface {
	// AddToDB adds the iSCSI node record for the target.
	AddToDB() error
	// FormatAndMount formats the given disk, if needed, and mounts it.  That is
	// if the disk is not formatted and it is not being mounted as read-only it
	// will format it first then mount it. Otherwise, if the disk is already
	// formatted or it is being mounted as read-only, it will be mounted without
	// formatting.
	FormatAndMount(source string, target string, fstype string, options []string) error

	//Mount only mounts the disk. In case if formatting is handled by different functionality.
	// This function doesn't bother for checking the format again.
	Mount(source string, target string, fstype string, options []string) error

	// Login logs into the iSCSI target.
	Login() error

	// Logout logs out the iSCSI target.
	Logout() error

	DeviceOpened(pathname string) (bool, error)
	// updates the queue depth for iSCSI target
	UpdateQueueDepth() error

	// RemoveFromDB removes the iSCSI target from the database.
	RemoveFromDB() error

	// SetAutomaticLogin sets the iSCSI node to automatically login at machine
	// start-up.
	SetAutomaticLogin() error

	// UnmountPath is a common unmount routine that unmounts the given path and
	// deletes the remaining directory if successful.
	UnmountPath(path string) error

	Resize(devicePath string, volumePath string) (bool, error)
}