Adding initial file structure and list def rules
diff --git a/openstack/compute/v2/extensions/defsecrules/urls.go b/openstack/compute/v2/extensions/defsecrules/urls.go
new file mode 100644
index 0000000..cc928ab
--- /dev/null
+++ b/openstack/compute/v2/extensions/defsecrules/urls.go
@@ -0,0 +1,13 @@
+package defsecrules
+
+import "github.com/rackspace/gophercloud"
+
+const rulepath = "os-security-group-default-rules"
+
+func resourceURL(c *gophercloud.ServiceClient, id string) string {
+ return c.ServiceURL(rulepath, id)
+}
+
+func rootURL(c *gophercloud.ServiceClient) string {
+ return c.ServiceURL(rulepath)
+}