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https://issues.apache.org/jira/browse/HADOOP-18708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17745451#comment-17745451
]
ASF GitHub Bot commented on HADOOP-18708:
-----------------------------------------
mehakmeet commented on code in PR #5767:
URL: https://github.com/apache/hadoop/pull/5767#discussion_r1270255116
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/GetS3RegionOperation.java:
##########
@@ -0,0 +1,140 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.fs.s3a.impl;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.HeadBucketRequest;
+import software.amazon.awssdk.services.s3.model.HeadBucketResponse;
+import software.amazon.awssdk.services.s3.model.S3Exception;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.hadoop.fs.s3a.AWSCredentialProviderList;
+import org.apache.hadoop.fs.s3a.UnknownStoreException;
+import org.apache.hadoop.fs.store.LogExactlyOnce;
+import org.apache.hadoop.util.DurationInfo;
+
+import static org.apache.hadoop.fs.s3a.Constants.BUCKET_REGION_HEADER;
+import static org.apache.hadoop.fs.s3a.Constants.FS_S3A_BUCKET_PREFIX;
+import static org.apache.hadoop.fs.s3a.Statistic.STORE_REGION_PROBE;
+import static
org.apache.hadoop.fs.s3a.impl.InternalConstants.SC_301_MOVED_PERMANENTLY;
+import static org.apache.hadoop.fs.s3a.impl.InternalConstants.SC_404_NOT_FOUND;
+import static
org.apache.hadoop.fs.statistics.impl.IOStatisticsBinding.trackDuration;
+
+/**
+ * Operation to get the S3 region for a bucket.
+ * If a region is not specified in {@link
org.apache.hadoop.fs.s3a.Constants#AWS_REGION}, this
+ * operation will warn and then probe S3 to get the region.
+ */
+public class GetS3RegionOperation extends ExecutingStoreOperation<Region> {
+
+ private final AWSCredentialProviderList credentials;
+
+ private final String region;
+
+ private final String bucket;
+
+ private final StoreContext context;
+
+ private final static Map<String, Region> BUCKET_REGIONS = new HashMap<>();
Review Comment:
Interesting, so we aren't caching in the SDK anymore?
> AWS SDK V2 - Implement CSE
> --------------------------
>
> Key: HADOOP-18708
> URL: https://issues.apache.org/jira/browse/HADOOP-18708
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Ahmar Suhail
> Priority: Major
> Labels: pull-request-available
>
> S3 Encryption client for SDK V2 is now available, so add client side
> encryption back in.
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