Adding list roles operation
diff --git a/openstack/identity/v2/extensions/admin/roles/urls.go b/openstack/identity/v2/extensions/admin/roles/urls.go
new file mode 100644
index 0000000..2ab2b5d
--- /dev/null
+++ b/openstack/identity/v2/extensions/admin/roles/urls.go
@@ -0,0 +1,16 @@
+package roles
+
+import "github.com/rackspace/gophercloud"
+
+const (
+ extPath = "OS-KSADMN"
+ rolePath = "roles"
+)
+
+func resourceURL(c *gophercloud.ServiceClient, id string) string {
+ return c.ServiceURL(extPath, rolePath, id)
+}
+
+func rootURL(c *gophercloud.ServiceClient) string {
+ return c.ServiceURL(extPath, rolePath)
+}