Copy blockstorage v1 to v2
diff --git a/openstack/blockstorage/v2/volumes/results.go b/openstack/blockstorage/v2/volumes/results.go
new file mode 100644
index 0000000..2fd4ef1
--- /dev/null
+++ b/openstack/blockstorage/v2/volumes/results.go
@@ -0,0 +1,113 @@
+package volumes
+
+import (
+ "github.com/rackspace/gophercloud"
+ "github.com/rackspace/gophercloud/pagination"
+
+ "github.com/mitchellh/mapstructure"
+)
+
+// Volume contains all the information associated with an OpenStack Volume.
+type Volume struct {
+ // Current status of the volume.
+ Status string `mapstructure:"status"`
+
+ // Human-readable display name for the volume.
+ Name string `mapstructure:"display_name"`
+
+ // Instances onto which the volume is attached.
+ Attachments []map[string]interface{} `mapstructure:"attachments"`
+
+ // This parameter is no longer used.
+ AvailabilityZone string `mapstructure:"availability_zone"`
+
+ // Indicates whether this is a bootable volume.
+ Bootable string `mapstructure:"bootable"`
+
+ // The date when this volume was created.
+ CreatedAt string `mapstructure:"created_at"`
+
+ // Human-readable description for the volume.
+ Description string `mapstructure:"display_description"`
+
+ // The type of volume to create, either SATA or SSD.
+ VolumeType string `mapstructure:"volume_type"`
+
+ // The ID of the snapshot from which the volume was created
+ SnapshotID string `mapstructure:"snapshot_id"`
+
+ // The ID of another block storage volume from which the current volume was created
+ SourceVolID string `mapstructure:"source_volid"`
+
+ // Arbitrary key-value pairs defined by the user.
+ Metadata map[string]string `mapstructure:"metadata"`
+
+ // Unique identifier for the volume.
+ ID string `mapstructure:"id"`
+
+ // Size of the volume in GB.
+ Size int `mapstructure:"size"`
+}
+
+// CreateResult contains the response body and error from a Create request.
+type CreateResult struct {
+ commonResult
+}
+
+// GetResult contains the response body and error from a Get request.
+type GetResult struct {
+ commonResult
+}
+
+// DeleteResult contains the response body and error from a Delete request.
+type DeleteResult struct {
+ gophercloud.ErrResult
+}
+
+// ListResult is a pagination.pager that is returned from a call to the List function.
+type ListResult struct {
+ pagination.SinglePageBase
+}
+
+// IsEmpty returns true if a ListResult contains no Volumes.
+func (r ListResult) IsEmpty() (bool, error) {
+ volumes, err := ExtractVolumes(r)
+ if err != nil {
+ return true, err
+ }
+ return len(volumes) == 0, nil
+}
+
+// ExtractVolumes extracts and returns Volumes. It is used while iterating over a volumes.List call.
+func ExtractVolumes(page pagination.Page) ([]Volume, error) {
+ var response struct {
+ Volumes []Volume `json:"volumes"`
+ }
+
+ err := mapstructure.Decode(page.(ListResult).Body, &response)
+ return response.Volumes, err
+}
+
+// UpdateResult contains the response body and error from an Update request.
+type UpdateResult struct {
+ commonResult
+}
+
+type commonResult struct {
+ gophercloud.Result
+}
+
+// Extract will get the Volume object out of the commonResult object.
+func (r commonResult) Extract() (*Volume, error) {
+ if r.Err != nil {
+ return nil, r.Err
+ }
+
+ var res struct {
+ Volume *Volume `json:"volume"`
+ }
+
+ err := mapstructure.Decode(r.Body, &res)
+
+ return res.Volume, err
+}