[
https://issues.apache.org/jira/browse/HADOOP-19256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17876453#comment-17876453
]
ASF GitHub Bot commented on HADOOP-19256:
-----------------------------------------
virajjasani commented on code in PR #7011:
URL: https://github.com/apache/hadoop/pull/7011#discussion_r1730141410
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java:
##########
@@ -517,12 +518,22 @@ public CreateMultipartUploadRequest.Builder
newMultipartUploadRequestBuilder(
public CompleteMultipartUploadRequest.Builder
newCompleteMultipartUploadRequestBuilder(
String destKey,
String uploadId,
- List<CompletedPart> partETags) {
+ List<CompletedPart> partETags,
+ PutObjectOptions putOptions) {
+
// a copy of the list is required, so that the AWS SDK doesn't
// attempt to sort an unmodifiable list.
- CompleteMultipartUploadRequest.Builder requestBuilder =
-
CompleteMultipartUploadRequest.builder().bucket(bucket).key(destKey).uploadId(uploadId)
+ CompleteMultipartUploadRequest.Builder requestBuilder;
+ Map<String, String> optionHeaders = putOptions.getHeaders();
+
+ if (optionHeaders != null && optionHeaders.containsKey("If-None-Match")) {
+ requestBuilder =
CompleteMultipartUploadRequest.builder().bucket(bucket).key(destKey).uploadId(uploadId)
+ .overrideConfiguration(override
->override.putHeader("If-None-Match", optionHeaders.get("If-None-Match")))
Review Comment:
This is also being discussed on the Jira.
> Support S3 Conditional Writes
> -----------------------------
>
> Key: HADOOP-19256
> URL: https://issues.apache.org/jira/browse/HADOOP-19256
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Ahmar Suhail
> Priority: Major
> Labels: pull-request-available
>
> S3 Conditional Write (Put-if-absent) capability is now generally available -
> [https://aws.amazon.com/about-aws/whats-new/2024/08/amazon-s3-conditional-writes/]
>
> S3A should allow passing in this put-if-absent header to prevent over writing
> of files.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
