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https://issues.apache.org/jira/browse/HADOOP-16930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan reassigned HADOOP-16930:
-----------------------------------
Assignee: Nicholas Chammas
> Add com.amazonaws.auth.profile.ProfileCredentialsProvider to hadoop-aws docs
> ----------------------------------------------------------------------------
>
> Key: HADOOP-16930
> URL: https://issues.apache.org/jira/browse/HADOOP-16930
> Project: Hadoop Common
> Issue Type: Improvement
> Components: documentation, fs/s3
> Affects Versions: 3.2.1
> Reporter: Nicholas Chammas
> Assignee: Nicholas Chammas
> Priority: Minor
> Fix For: 3.4.0
>
>
> There is a very, very useful S3A authentication method that is not currently
> documented: {{com.amazonaws.auth.profile.ProfileCredentialsProvider}}
> This provider lets you source your AWS credentials from a shared credentials
> file, typically stored under {{~/.aws/credentials}}, using a [named
> profile|https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.html].
> All you need is to set the {{AWS_PROFILE}} environment variable, and the
> provider will get the appropriate credentials for you.
> I discovered this from my coworkers, but cannot find it in the docs for
> hadoop-aws. I'd expect to see it at least mentioned in [this
> section|https://hadoop.apache.org/docs/r2.9.2/hadoop-aws/tools/hadoop-aws/index.html#S3A_Authentication_methods].
> It should probably be added to the docs for every minor release that
> supports it, which I'd guess includes 2.8 on up.
> (This provider should probably also be added to the default list of
> credential provider classes, but we can address that in another ticket. I can
> say that at least in 2.9.2, it's not in the default list.)
> (This is not to be confused with
> {{com.amazonaws.auth.InstanceProfileCredentialsProvider}}, which serves a
> completely different purpose.)
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