openstack/rackspace build info ops and unit tests
diff --git a/openstack/orchestration/v1/buildinfo/results.go b/openstack/orchestration/v1/buildinfo/results.go
new file mode 100644
index 0000000..0e006b8
--- /dev/null
+++ b/openstack/orchestration/v1/buildinfo/results.go
@@ -0,0 +1,37 @@
+package buildinfo
+
+import (
+	"github.com/mitchellh/mapstructure"
+	"github.com/rackspace/gophercloud"
+)
+
+// Revision represents the API/Enging revision of a Heat deployment.
+type Revision struct {
+	Revision string `mapstructure:"revision"`
+}
+
+// BuildInfo represents the build information for a Heat deployment.
+type BuildInfo struct {
+	API    Revision `mapstructure:"api"`
+	Engine Revision `mapstructure:"engine"`
+}
+
+// GetResult represents the result of a Get operation.
+type GetResult struct {
+	gophercloud.Result
+}
+
+// Extract returns a pointer to a BuildInfo object and is called after a
+// Get operation.
+func (r GetResult) Extract() (*BuildInfo, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var res BuildInfo
+	if err := mapstructure.Decode(r.Body, &res); err != nil {
+		return nil, err
+	}
+
+	return &res, nil
+}