shounakmk219 commented on code in PR #11077:
URL: https://github.com/apache/pinot/pull/11077#discussion_r1270555663
##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotInstanceRestletResource.java:
##########
@@ -416,4 +422,112 @@ public List<OperationValidationResponse>
instanceDropSafetyCheck(
Response.Status.INTERNAL_SERVER_ERROR, e);
}
}
+
+ @POST
+ @Path("/instances/updateTags/validate")
+ @Produces(MediaType.APPLICATION_JSON)
+ @ApiOperation(value = "Check if it's safe to update the tags of the given
instances. If not list all the reasons.")
+ @ApiResponses(value = {
+ @ApiResponse(code = 200, message = "Success"),
+ @ApiResponse(code = 500, message = "Internal error")
+ })
+ public List<OperationValidationResponse>
instanceTagUpdateSafetyCheck(List<InstanceTagUpdateRequest> instances) {
+ LOGGER.info("Performing safety check on tag update request received for
instances: {}",
+
instances.stream().map(InstanceTagUpdateRequest::getInstanceName).collect(Collectors.toList()));
+ Map<String, Integer> tagMinServerMap =
_pinotHelixResourceManager.minimumInstancesRequiredForTags();
Review Comment:
Just the tags in request won't do, we also need to fetch the existing/old
tags too for minInstances. We can pass a list of tags to get required
minInstances but anyway we are forced to parse all the table configs hence
didn’t complicate things for now. Let me know if accepting the tags list makes
more sense and I will be happy to do it that way.
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