add delegates for rackspace configurations
diff --git a/rackspace/db/v1/configurations/delegate.go b/rackspace/db/v1/configurations/delegate.go
new file mode 100644
index 0000000..d8cb48a
--- /dev/null
+++ b/rackspace/db/v1/configurations/delegate.go
@@ -0,0 +1,79 @@
+package configurations
+
+import (
+ "github.com/rackspace/gophercloud"
+ os "github.com/rackspace/gophercloud/openstack/db/v1/configurations"
+ "github.com/rackspace/gophercloud/pagination"
+)
+
+// List will list all of the available configurations.
+func List(client *gophercloud.ServiceClient) pagination.Pager {
+ return os.List(client)
+}
+
+// Create will create a new configuration group.
+func Create(client *gophercloud.ServiceClient, opts os.CreateOptsBuilder) os.CreateResult {
+ return os.Create(client, opts)
+}
+
+// Get will retrieve the details for a specified configuration group.
+func Get(client *gophercloud.ServiceClient, configID string) os.GetResult {
+ return os.Get(client, configID)
+}
+
+// Update will modify an existing configuration group by performing a merge
+// between new and existing values. If the key already exists, the new value
+// will overwrite. All other keys will remain unaffected.
+func Update(client *gophercloud.ServiceClient, configID string, opts os.UpdateOptsBuilder) os.UpdateResult {
+ return os.Update(client, configID, opts)
+}
+
+// Replace will modify an existing configuration group by overwriting the
+// entire parameter group with the new values provided. Any existing keys not
+// included in UpdateOptsBuilder will be deleted.
+func Replace(client *gophercloud.ServiceClient, configID string, opts os.UpdateOptsBuilder) os.ReplaceResult {
+ return os.Replace(client, configID, opts)
+}
+
+// Delete will permanently delete a configuration group. Please note that
+// config groups cannot be deleted whilst still attached to running instances -
+// you must detach and then delete them.
+func Delete(client *gophercloud.ServiceClient, configID string) os.DeleteResult {
+ return os.Delete(client, configID)
+}
+
+// ListInstances will list all the instances associated with a particular
+// configuration group.
+func ListInstances(client *gophercloud.ServiceClient, configID string) pagination.Pager {
+ return os.ListInstances(client, configID)
+}
+
+// ListDatastoreParams will list all the available and supported parameters
+// that can be used for a particular datastore ID and a particular version.
+// For example, if you are wondering how you can configure a MySQL 5.6 instance,
+// you can use this operation (you will need to retrieve the MySQL datastore ID
+// by using the datastores API).
+func ListDatastoreParams(client *gophercloud.ServiceClient, datastoreID, versionID string) pagination.Pager {
+ return os.ListDatastoreParams(client, datastoreID, versionID)
+}
+
+// GetDatastoreParam will retrieve information about a specific configuration
+// parameter. For example, you can use this operation to understand more about
+// "innodb_file_per_table" configuration param for MySQL datastores. You will
+// need the param's ID first, which can be attained by using the ListDatastoreParams
+// operation.
+func GetDatastoreParam(client *gophercloud.ServiceClient, datastoreID, versionID, paramID string) os.ParamResult {
+ return os.GetDatastoreParam(client, datastoreID, versionID, paramID)
+}
+
+// ListGlobalParams is similar to ListDatastoreParams but does not require a
+// DatastoreID.
+func ListGlobalParams(client *gophercloud.ServiceClient, versionID string) pagination.Pager {
+ return os.ListGlobalParams(client, versionID)
+}
+
+// GetGlobalParam is similar to GetDatastoreParam but does not require a
+// DatastoreID.
+func GetGlobalParam(client *gophercloud.ServiceClient, versionID, paramID string) os.ParamResult {
+ return os.GetGlobalParam(client, versionID, paramID)
+}