}
@Override
public List<Node> call() throws Exception {
List<Node> newNodes = Lists.newArrayList();
log.debug("Updating graylog2 server node list from node {}", node);
NodesResponse response = api.path(routes.ClusterResource().nodes(), NodesResponse.class)
.node(node)
.unauthenticated()
.execute();
int i = 0;
for (NodeSummaryResponse nsr : response.nodes) {