// WatchRoutes begins watching for new, changed, or deleted route configurations.
func (registry *Etcd) WatchRoutes(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
if !label.Empty() {
return nil, fmt.Errorf("label selectors are not supported on routes yet")
}
version, err := storage.ParseWatchResourceVersion(resourceVersion, "pod")
if err != nil {
return nil, err
}
if value, found := field.RequiresExactMatch("ID"); found {
key, err := makeRouteKey(ctx, value)
if err != nil {
return nil, err
}
return registry.Watch(key, version, storage.Everything)
}
if field.Empty() {
key := kubeetcd.MakeEtcdListKey(ctx, RoutePath)
return registry.WatchList(key, version, storage.Everything)
}
return nil, fmt.Errorf("only the 'ID' and default (everything) field selectors are supported")
}
func makeRouteListKey(ctx kapi.Context) string {
return kubeetcd.MakeEtcdListKey(ctx, RoutePath)
}