private String getHealthInfo() throws Exception { for (int i = 0; i < 20; i++) { try { Cluster.Instance instance = Iterables.get(cluster.getInstancesMatching(role(ElasticSearchHandler.ROLE)), 0); String address = instance.getPublicAddress().getHostAddress(); URL url = new URL(String.format("http://%s:9200/_cluster/health", address)); BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream())); StringBuilder builder = new StringBuilder(); String line; while ((line = in.readLine()) != null) { builder.append(line); } in.close(); return builder.toString(); } catch (IOException e) { try { Thread.sleep(5000); } catch (InterruptedException e1) { } } } throw new Exception("Unable to get cluster health info."); }
@Test(timeout = TestConstants.ITEST_TIMEOUT) public void testCheckNumberOfNodes() throws Exception { for (int i = 0; i < 20; i++) { int nodes = getNumberOfNodes(); LOG.info( "{}/{} nodes joined the elasticsearch cluster", nodes, cluster.getInstances().size()); if (nodes == cluster.getInstances().size()) { return; } try { Thread.sleep(5000); } catch (InterruptedException e) { } } throw new Exception("All nodes did not joined the cluster as expected"); }
/** Use unicast if not on AWS (most of the cloud providers deny multicast traffic). */ private static void addDefaultsForUnicast(Cluster cluster, CompositeConfiguration config) { List<String> hosts = Lists.newLinkedList(); for (Cluster.Instance instance : cluster.getInstancesMatching(role(ElasticSearchHandler.ROLE))) { hosts.add(String.format("\"%s:9300\"", instance.getPrivateIp())); } config.addProperty("es.discovery.zen.ping.multicast.enabled", "false"); config.addProperty("es.discovery.zen.ping.unicast.hosts", StringUtils.join(hosts, ",")); }