// Clusters for the Envoy instance
	Clusters() (*admin.Clusters, error)
	ClustersOrFail(t test.Failer) *admin.Clusters

	// Listeners for the Envoy instance
	Listeners() (*admin.Listeners, error)
	ListenersOrFail(t test.Failer) *admin.Listeners

	// Logs returns the logs for the sidecar container
	Logs() (string, error)
	// LogsOrFail returns the logs for the sidecar container, or aborts if an error is found

	msg := &admin.Listeners{}
	if err := s.adminRequest("listeners?format=json", msg); err != nil {
		return nil, err
	}

	return msg, nil
}

func (s *sidecar) ListenersOrFail(t test.Failer) *admin.Listeners {
	t.Helper()
	listeners, err := s.Listeners()
	if err != nil {
		t.Fatal(err)
	}
	return listeners
}