Jackie-Jiang commented on a change in pull request #4952: Adding new Controller
APIs for retrieving and setting tag for an instance
URL: https://github.com/apache/incubator-pinot/pull/4952#discussion_r374268191
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
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@@ -358,6 +358,19 @@ public synchronized PinotResourceManagerResponse
addInstance(Instance instance)
}
}
+ /**
+ * Update a given instance for the specified Instance ID
+ */
+ public synchronized PinotResourceManagerResponse updateInstance(String
instanceIdToUpdate, Instance newInstance) {
+ List<String> instances = getAllInstances();
+ if (!instances.contains(instanceIdToUpdate)) {
+ return PinotResourceManagerResponse.failure("Instance " +
instanceIdToUpdate + " does not exists");
+ } else {
+ _helixAdmin.setInstanceConfig(_helixClusterName, instanceIdToUpdate,
newInstance.toInstanceConfig());
Review comment:
This won't be able the change the instance host/port. In order to do that,
you need to use data accessor to set it.
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