block storage v1 api version requests
diff --git a/openstack/blockstorage/v1/apiversions/results.go b/openstack/blockstorage/v1/apiversions/results.go
new file mode 100644
index 0000000..eeff132
--- /dev/null
+++ b/openstack/blockstorage/v1/apiversions/results.go
@@ -0,0 +1,62 @@
+package apiversions
+
+import (
+ "github.com/rackspace/gophercloud"
+ "github.com/rackspace/gophercloud/pagination"
+
+ "github.com/mitchellh/mapstructure"
+)
+
+// APIVersion represents an API version for Cinder.
+type APIVersion struct {
+ ID string `json:"id" mapstructure:"id"` // unique identifier
+ Status string `json:"status" mapstructure:"status"` // current status
+ Updated string `json:"updated" mapstructure:"updated"` // date last updated
+}
+
+// APIVersionPage is the page returned by a pager when traversing over a
+// collection of API versions.
+type APIVersionPage struct {
+ pagination.SinglePageBase
+}
+
+// IsEmpty checks whether an APIVersionPage struct is empty.
+func (r APIVersionPage) IsEmpty() (bool, error) {
+ is, err := ExtractAPIVersions(r)
+ if err != nil {
+ return true, err
+ }
+ return len(is) == 0, nil
+}
+
+// ExtractAPIVersions takes a collection page, extracts all of the elements,
+// and returns them a slice of APIVersion structs. It is effectively a cast.
+func ExtractAPIVersions(page pagination.Page) ([]APIVersion, error) {
+ var resp struct {
+ Versions []APIVersion `mapstructure:"versions"`
+ }
+
+ err := mapstructure.Decode(page.(APIVersionPage).Body, &resp)
+ if err != nil {
+ return nil, err
+ }
+
+ return resp.Versions, nil
+}
+
+type GetResult struct {
+ gophercloud.CommonResult
+}
+
+func (r GetResult) Extract() (*APIVersion, error) {
+ var resp struct {
+ Version *APIVersion `mapstructure:"version"`
+ }
+
+ err := mapstructure.Decode(r.Resp, &resp)
+ if err != nil {
+ return nil, err
+ }
+
+ return resp.Version, nil
+}