[jira] [Created] (HADOOP-9293) For S3 use credentials file

["Andy Sautins (JIRA)" <ji...@apache.org>]

Andy Sautins created HADOOP-9293:
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             Summary: For S3 use credentials file
                 Key: HADOOP-9293
                 URL: https://issues.apache.org/jira/browse/HADOOP-9293
             Project: Hadoop Common
          Issue Type: Improvement
          Components: fs/s3
    Affects Versions: 1.0.2
         Environment: Linux
            Reporter: Andy Sautins
            Priority: Minor


The following document describes the current way that S3 credentials can be specified ( http://wiki.apache.org/hadoop/AmazonS3 ).  In summary they are:

  - in the S3 URI.
  - in the hadoop-site.xml file as 
     - fs.s3.awsAccessKeyId
     - fs.s3.awsSecretAccessKey 
     - fs.s3n.awsAccessKeyId
     - fs.s3n.aswSecretAccessKey

The amazon EMR tool elastic-mapreduce already provide the ability to use a credentials file ( see http://s3.amazonaws.com/awsdocs/ElasticMapReduce/latest/emr-qrc.pdf ).  

I would propose that we allow roughly the same access to credentials through a credentials file that is currently provided by elastic-mapreduce.  This should allow for centralized administration of credentials which should be positive for security.

I propose the following properties:

   <property><name>f3.s3.awsCredentialsFile</name><value>/path/to/file</value></property>
   <property><name>fs.s3n.awsCredentialsFile</name><value>/path/to/file</value></property>



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