lvm

type ExitError interface {
	ExitCode() int
	error
}

type HostLVM struct {
	exec.Executor
}

type LVM interface {
	CreateVG(ctx context.Context, vg VolumeGroup) error
	ExtendVG(ctx context.Context, vg VolumeGroup, pvs []string) (VolumeGroup, error)
	AddTagToVG(ctx context.Context, vgName string) error
	DeleteVG(ctx context.Context, vg VolumeGroup) error
	GetVG(ctx context.Context, name string) (VolumeGroup, error)

	ListPVs(ctx context.Context, vgName string) ([]PhysicalVolume, error)
	ListVGs(ctx context.Context, taggedByLVMS bool) ([]VolumeGroup, error)
	ListLVsByName(ctx context.Context, vgName string) ([]string, error)
	ListLVs(ctx context.Context, vgName string) (*LVReport, error)

	LVExists(ctx context.Context, lvName, vgName string) (bool, error)
	CreateLV(ctx context.Context, lvName, vgName string, sizePercent int, chunkSizeBytes, metadataSizeBytes int64) error
	ExtendLV(ctx context.Context, lvName, vgName string, sizePercent int) error
	ExtendThinPoolMetadata(ctx context.Context, lvName, vgName string, metadataSizeBytes int64) error
	ActivateLV(ctx context.Context, lvName, vgName string) error
	DeleteLV(ctx context.Context, lvName, vgName string) error
}

type LVReport struct {
	Report []LVReportItem `json:"report"`
}

type LVReportItem struct {
	Lv []LogicalVolume `json:"lv"`
}

type LogicalVolume struct {
	Name            string `json:"lv_name"`
	VgName          string `json:"vg_name"`
	PoolName        string `json:"pool_lv"`
	LvAttr          string `json:"lv_attr"`
	LvSize          string `json:"lv_size"`
	MetadataPercent string `json:"metadata_percent"`
	ChunkSize       string `json:"chunk_size"`
	MetadataSize    string `json:"lv_metadata_size"`
}

type PVReport struct {
	Report []struct {
		Pv []PhysicalVolume `json:"pv"`
	} `json:"report"`
}

type PhysicalVolume struct {
	// PvName is the name of the Physical Volume
	PvName string `json:"pv_name"`

	// UUID is the unique identifier of the Physical Volume used in the devices file
	UUID string `json:"pv_uuid"`

	// VgName is the name of the associated Volume Group, if any
	VgName string `json:"vg_name"`

	// PvFmt is the file format of the PhysicalVolume
	PvFmt string `json:"pv_fmt"`

	// PvAttr describes the attributes of the PhysicalVolume
	PvAttr string `json:"pv_attr"`

	// PvSize describes the total space of the PhysicalVolume
	PvSize string `json:"pv_size"`

	// PvFree describes the free space of the PhysicalVolume
	PvFree string `json:"pv_free"`

	// DevSize describes the size of the underlying device on which the PhysicalVolume was created
	DevSize string `json:"dev_size"`
}

type VGReport struct {
	Report []struct {
		Vg []struct {
			Name   string `json:"vg_name"`
			VgSize string `json:"vg_size"`
			Tags   string `json:"vg_tags"`
		} `json:"vg"`
	} `json:"report"`
}

type VolumeGroup struct {
	// Name is the name of the volume group
	Name string `json:"vg_name"`

	// VgSize is the size of the volume group
	VgSize string `json:"vg_size"`

	// PVs is the list of physical volumes associated with the volume group
	PVs []PhysicalVolume `json:"pvs"`

	// Tags is the list of tags associated with the volume group
	Tags []string `json:"vg_tags"`
}