Github user harshach commented on a diff in the pull request:
https://github.com/apache/storm/pull/432#discussion_r26591966
--- Diff: storm-core/src/jvm/backtype/storm/utils/Utils.java ---
@@ -363,9 +384,30 @@ public static CuratorFramework newCurator(Map conf,
List<String> servers, Object
return builder.build();
}
- protected static void setupBuilder(CuratorFrameworkFactory.Builder
builder, String zkStr, Map conf, ZookeeperAuthInfo auth)
+ protected static void setupBuilder(CuratorFrameworkFactory.Builder
builder, final String zkStr, Map conf, ZookeeperAuthInfo auth)
{
- builder.connectString(zkStr)
+ List<String> exhibitorServers =
getStrings(conf.get(Config.STORM_EXHIBITOR_SERVERS));
+ if (!exhibitorServers.isEmpty()) {
+ // use exhibitor servers
+ builder.ensembleProvider(new ExhibitorEnsembleProvider(
+ new Exhibitors(exhibitorServers,
Utils.getInt(conf.get(Config.STORM_EXHIBITOR_PORT), 8080),
+ new Exhibitors.BackupConnectionStringProvider() {
+ @Override
+ public String getBackupConnectionString() throws
Exception {
+ // use zk servers as backup if they exist
+ return zkStr;
+ }}),
+ new DefaultExhibitorRestClient(),
+ (String) Utils.get(conf, Config.STORM_EXHIBITOR_URIPATH,
"/exhibitor/v1/cluster/list"),
--- End diff --
this should also be in defaults.yaml
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