// StorageClassDevice returns device configuration
type StorageClassDevice struct {
	// StorageClass name to use for set of matched devices
	StorageClassName string `json:"storageClassName"`
	// Volume mode. Raw or with file system
	// + optional
	VolumeMode PersistentVolumeMode `json:"volumeMode,omitempty"`
	// File system type
	// +optional
	FSType string `json:"fsType,omitempty"`
	// A list of device paths which would be chosen for local storage.
	// If specified along with AutoDiscovery option, device specified in devicePath
	// will be selected regardless of selection critirea mentioned in autoDiscovery
	// field.
	// For example - ["/dev/sda", "/dev/sdb", "/dev/disk/by-id/ata-crucial"]
	DevicePaths []string `json:"devicePaths,omitempty"`

	// AutoDiscovery can be used to discover all local devices
	// on the node and automatically create PVs.
	// +optional
	AutoDiscovery *LocalVolumeDiscoveryPolicy
}

type DeviceDiscoveryPolicy string

const (
	UseAllDevices DeviceDiscoveryPolicy = "UseAllDevices"
	UseOnlySSD    DeviceDiscoveryPolicy = "UseOnlySSD"
)

type LocalVolumeDiscoveryPolicy struct {
	// DeviceDiscoveryPolicy controls how devices are discovered by local-storage-operator
	DiscoveryPolicy DeviceDiscoveryPolicy
	// Device type that should be used for localvolumes. This would be type returned
	// by output of lsblk. Possible types are - crypt,raid1, raid4, raid5, raid10, multipath, disk, tape, printer,
	// processor, worm, rom, scanner, mo-disk, changer, comm, raid, enclosure, rbc, osd, and no-lun.
	// For example - ["part", "disk"]
	// +optional
	DeviceTypes []string
	// A list of regular expressions that will be used to exclude certain devices
	// For example - ["^rbd[0-9]+p?[0-9]{0,}$"]
	// +optional
	DeviceExclusionFilter []string
}