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https://issues.apache.org/jira/browse/HADOOP-18562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17873757#comment-17873757
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ASF GitHub Bot commented on HADOOP-18562:
-----------------------------------------
PradhanPrerak commented on code in PR #6550:
URL: https://github.com/apache/hadoop/pull/6550#discussion_r1717669552
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/AWSClientConfig.java:
##########
@@ -407,6 +414,36 @@ private static void initSigner(Configuration conf,
}
}
+ /**
+ * Initialize custom request headers for AWS clients.
+ * @param conf hadoop configuration
+ * @param clientConfig client configuration to update
+ * @param awsServiceIdentifier service name
+ */
+ private static void initRequestHeaders(Configuration conf,
+ ClientOverrideConfiguration.Builder clientConfig, String
awsServiceIdentifier) {
+ String configKey = null;
+ switch (awsServiceIdentifier) {
+ case AWS_SERVICE_IDENTIFIER_S3:
+ configKey = CUSTOM_HEADERS_S3;
+ break;
+ case AWS_SERVICE_IDENTIFIER_STS:
+ configKey = CUSTOM_HEADERS_STS;
+ break;
+ default:
+ // No known service.
+ }
+ if (configKey != null) {
+ Map<String, String> awsClientCustomHeadersMap =
+ S3AUtils.getTrimmedStringCollectionSplitByEquals(conf,
configKey);
+ awsClientCustomHeadersMap.forEach((header, valueString) -> {
+ List<String> headerValues = Arrays.asList(valueString.split(";"));
Review Comment:
This is the largest change in this revision. Having ":" as value separator
is not a good idea. Because,
1/ Some header names in aws start with `aws:<header_name>`
2/ Some values such as arns allow ":" in it,
https://docs.aws.amazon.com/IAM/latest/UserGuide/reference-arns.html#arns-paths
Hence changed delimiter to ";" which is not so common -
https://docs.aws.amazon.com/AmazonS3/latest/userguide/object-keys.html#object-key-guidelines
let me know if you have better ideas.
> New configuration for static headers to be added to all S3 requests
> -------------------------------------------------------------------
>
> Key: HADOOP-18562
> URL: https://issues.apache.org/jira/browse/HADOOP-18562
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Daniel Carl Jones
> Priority: Minor
> Labels: pull-request-available
>
> Some users have the use case where for a particular S3A filesystem, they
> would like to set one or more headers to a static value.
> We might imagine a set of configurations properties with a common prefix,
> where the suffix determines the header name and the value of the property
> determines the value of the header.
> Per-filesystem headers can be set using the per-bucket configuration.
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