jackjlli commented on a change in pull request #4047: Create
leadControllerResource in helix cluster
URL: https://github.com/apache/incubator-pinot/pull/4047#discussion_r281861301
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/util/HelixSetupUtils.java
##########
@@ -175,4 +185,40 @@ private static HelixManager
startHelixControllerInStandadloneMode(String helixCl
return HelixControllerMain
.startHelixController(zkUrl, helixClusterName,
pinotControllerInstanceId, HelixControllerMain.STANDALONE);
}
+
+ private static void createLeadControllerResourceIfNeeded(String
helixClusterName, HelixAdmin admin,
+ boolean enableBatchMessageMode, boolean enableLeadControllerResource) {
+ List<String> resources = admin.getResourcesInCluster(helixClusterName);
+ if
(!resources.contains(CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME)) {
+ LOGGER.info("Cluster {} doesn't contain {}. Creating one..",
helixClusterName,
+ CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME);
+
+ admin.addStateModelDef(helixClusterName,
CommonConstants.Helix.MASTER_SLAVE_STATE_MODEL_DEFINITION,
+ MasterSlaveSMD.build());
+
+ HelixHelper.updateResourceConfigsFor(new HashMap<>(),
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME,
+ helixClusterName, admin);
+ admin.addResource(helixClusterName,
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME,
+
CommonConstants.Helix.DEFAULT_NUMBER_OF_PARTITIONS_IN_LEAD_CONTROLLER_RESOURCE,
+ CommonConstants.Helix.MASTER_SLAVE_STATE_MODEL_DEFINITION,
IdealState.RebalanceMode.FULL_AUTO.toString());
+
+ // Set instance group tag for lead controller resource.
+ IdealState leadControllerIdealState =
+ admin.getResourceIdealState(helixClusterName,
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME);
+
leadControllerIdealState.setInstanceGroupTag(CommonConstants.Helix.CONTROLLER_INSTANCE_TYPE);
+ leadControllerIdealState.setBatchMessageMode(enableBatchMessageMode);
+ admin.setResourceIdealState(helixClusterName,
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME,
+ leadControllerIdealState);
+ }
+
+ LOGGER.info("Re-balance lead controller resource with replicas: {}",
+ CommonConstants.Helix.DEFAULT_NUMBER_OF_CONTROLLER_REPLICAS);
+ admin.rebalance(helixClusterName,
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME,
+ CommonConstants.Helix.DEFAULT_NUMBER_OF_CONTROLLER_REPLICAS);
+
+ // Enable or disable lead controller resource.
+ LOGGER.info("{} lead controller resource.", enableLeadControllerResource ?
"Enabling" : "Disabling");
+ admin.enableResource(helixClusterName,
CommonConstants.Helix.LEAD_CONTROLLER_RESOURCE_NAME,
Review comment:
Done.
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