go-ceph/rbd/admin/imagespec.go
Rakshith R 890b3619db rbd admin: add type ImageSpec to work with rbd task api
ImageSpec type has been added to work with rbd task api.
It consists of optional pool & namespace and image name/id.
[pool/][namespace/]image[Name/id].
Added unit tests.

Signed-off-by: Rakshith R <rar@redhat.com>
2021-09-28 13:13:07 +00:00

44 lines
1.2 KiB
Go

// +build !nautilus,ceph_preview
package admin
import (
"fmt"
)
// ImageSpec values are used to identify an RBD image wherever Ceph APIs
// require an image_spec/image_id_spec using image name/id and optional
// pool and namespace.
// PREVIEW
type ImageSpec struct {
spec string
}
// NewImageSpec is used to construct an ImageSpec given an image name/id
// and optional namespace and pool names.
// NewImageSpec constructs an ImageSpec to identify an RBD image and thus
// requires image name/id, whereas NewLevelSpec constructs LevelSpec to
// identify entire pool, pool namespace or single RBD image, all of which
// requires pool name.
// PREVIEW
func NewImageSpec(pool, namespace, image string) ImageSpec {
var s string
if pool != "" && namespace != "" {
s = fmt.Sprintf("%s/%s/%s", pool, namespace, image)
} else if pool != "" {
s = fmt.Sprintf("%s/%s", pool, image)
} else {
s = image
}
return ImageSpec{s}
}
// NewRawImageSpec returns a ImageSpec directly based on the spec string
// argument without constructing it from component values. This should only be
// used if NewImageSpec can not create the imagespec value you want to pass to
// ceph.
// PREVIEW
func NewRawImageSpec(spec string) ImageSpec {
return ImageSpec{spec}
}