avijayanhwx commented on code in PR #3411:
URL: https://github.com/apache/ozone/pull/3411#discussion_r875026118
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/bucket/OMBucketCreateRequest.java:
##########
@@ -418,4 +418,37 @@ public static OMRequest
disallowCreateBucketWithBucketLayoutDuringPreFinalize(
}
return req;
}
+
+ /**
+ * Validates bucket create requests.
+ * Handles the cases where an older client attempts to create a bucket
+ * (without passing any bucket layout) and the cluster's protobuf definition
+ * defaults the missing value to a non LEGACY layout.
+ * We do not want to allow this to happen, since this would cause the client
+ * to be able to create buckets it cannot understand.
+ *
+ * @param req - the request to validate
+ * @param ctx - the validation context
+ * @return the validated request
+ * @throws OMException if the request is invalid
+ */
+ @RequestFeatureValidator(
+ conditions = ValidationCondition.OLDER_CLIENT_REQUESTS,
+ processingPhase = RequestProcessingPhase.PRE_PROCESS,
+ requestType = Type.CreateBucket
+ )
+ public static OMRequest blockCreateBucketWithBucketLayoutFromOldClient(
+ OMRequest req, ValidationContext ctx) throws OMException {
+ if (req.getCreateBucketRequest().getBucketInfo().hasBucketLayout()
+ &&
+ !BucketLayout.fromProto(req.getCreateBucketRequest().getBucketInfo()
Review Comment:
How can an older client request a bucket of FSO type? Won't that be absent
in the client library?
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