func restSnapshotService(w *rest.ResponseWriter, r *rest.Request, client *node.ControlClient) {
serviceID, err := url.QueryUnescape(r.PathParam("serviceId"))
if err != nil {
restBadRequest(w, err)
return
}
var label string
err = client.Snapshot(serviceID, &label)
if err != nil {
glog.Errorf("Unexpected error snapshotting service: %v", err)
restServerError(w, err)
return
}
w.WriteJson(&simpleResponse{label, serviceLinks(serviceID)})
}