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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2016/10/17 22:54:59 UTC
[jira] [Commented] (HADOOP-13728) S3A can support short
user-friendly aliases for configuration of credential providers.
[ https://issues.apache.org/jira/browse/HADOOP-13728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15583761#comment-15583761 ]
Chris Nauroth commented on HADOOP-13728:
----------------------------------------
|| Alias || Class ||
| anonymous | org.apache.hadoop.fs.s3a.AnonymousAWSCredentialsProvider |
| env | com.amazonaws.auth.EnvironmentVariableCredentialsProvider |
| instance-profile | org.apache.hadoop.fs.s3a.SharedInstanceProfileCredentialsProvider |
| simple | org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider |
| temporary | org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider |
Therefore, the typical default provider chain could be expressed as:
{code}
<property>
<name>fs.s3a.aws.credentials.provider</name>
<value>simple,env,instance-profile</value>
</property>
{code}
For any configuration value not listed as an alias above, assume it's a full class name, and fall back to the current logic. This also means the change would be fully backward-compatible with existing configuration files that already use the full class names, or highly customized deployments that used their own subclass implementations of {{AWSCredentialsProvider}}.
> S3A can support short user-friendly aliases for configuration of credential providers.
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-13728
> URL: https://issues.apache.org/jira/browse/HADOOP-13728
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Chris Nauroth
> Priority: Minor
>
> This issue proposes to support configuration of the S3A credential provider chain using short aliases to refer to the common credential providers in addition to allowing full class names. Supporting short aliases would provide a simpler operations experience for the most common cases.
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