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.");
}
/** 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, ","));
}