Add Rackspace Auto Scale client

Author: bison

rackspace/client.go

@@ -222,3 +222,13 @@ func NewDBV1(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*
 	}
 	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
 }
+
+// NewAutoScaleV1 creates a ServiceClient that may be used to access the v1 Auto Scale service.
+func NewAutoScaleV1(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*gophercloud.ServiceClient, error) {
+	eo.ApplyDefaults("rax:autoscale")
+	url, err := client.EndpointLocator(eo)
+	if err != nil {
+		return nil, err
+	}
+	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
+}