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From "Tobin Baker (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12807) S3AFileSystem should read AWS credentials from environment variables
Date Wed, 17 Feb 2016 04:28:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15149830#comment-15149830
] 

Tobin Baker commented on HADOOP-12807:
--------------------------------------

Patch is attached. Tested against both trunk and the 2.7.2 release. Please let me know if
I need to add a unit test (I omitted one because I'm simply using the existing {{EnvironmentVariableCredentialsProvider}}).

> S3AFileSystem should read AWS credentials from environment variables
> --------------------------------------------------------------------
>
>                 Key: HADOOP-12807
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12807
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/s3
>    Affects Versions: 2.7.2
>            Reporter: Tobin Baker
>            Priority: Minor
>              Labels: security
>             Fix For: 2.7.3
>
>         Attachments: HADOOP-12807-1.patch
>
>
> Unlike the {{DefaultAWSCredentialsProviderChain}} in the AWS SDK, the {{AWSCredentialsProviderChain}}
constructed by {{S3AFileSystem}} does not include an {{EnvironmentVariableCredentialsProvider}}
instance. This prevents users from supplying AWS credentials in the environment variables
{{AWS_ACCESS_KEY_ID}} and {{AWS_SECRET_ACCESS_KEY}}, which is the only alternative in some
scenarios.
> In my scenario, I need to access S3 from within a test running in a CI environment that
does not support IAM roles but does allow me to supply encrypted environment variables. Thus,
the only secure approach I can use is to supply my AWS credentials in environment variables
(plaintext configuration files are out of the question).



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