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Posted to common-issues@hadoop.apache.org by "Syed Shameerur Rahman (Jira)" <ji...@apache.org> on 2025/07/22 12:18:00 UTC
[jira] [Updated] (HADOOP-19535) S3A: Support WebIdentityTokenFileCredentialsProvider
[ https://issues.apache.org/jira/browse/HADOOP-19535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Syed Shameerur Rahman updated HADOOP-19535:
-------------------------------------------
Summary: S3A: Support WebIdentityTokenFileCredentialsProvider (was: S3A : Add WebIdentityTokenFileCredentialsProvider to default S3 credential provider chain)
> S3A: Support WebIdentityTokenFileCredentialsProvider
> ----------------------------------------------------
>
> Key: HADOOP-19535
> URL: https://issues.apache.org/jira/browse/HADOOP-19535
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> The current default s3 credential provider chain is set in the order of
> {code:java}
> org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider,org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider,software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider,org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider{code}
> Refer [code ref |https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml#L1450]for more details.
>
> This works perfectly fine when used in AWS EC2, EMR Serverless, but not with AWS EKS pods.
>
> For EKS pods, It is recommended to use
> {code:java}
> software.amazon.awssdk.auth.credentials.WebIdentityTokenFileCredentialsProvider , software.amazon.awssdk.auth.credentials.ContainerCredentialsProvider (PodIdentity is enabled){code}
> WebIdentityTokenFileCredentialsProvider is an AWS credentials provider that enables applications to obtain temporary AWS credentials by assuming an IAM role using a web identity token (like OAuth or OIDC tokens). It's particularly important in EKS as it's the underlying mechanism that makes IRSA (IAM Roles for Service Accounts) work.
>
>
> ContainerCredentialsProvider is already part of org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider
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