[jira] [Commented] (HADOOP-10607) Create an API to Separate Credentials/Password Storage from Applications

["Larry McCay (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-10607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14015116#comment-14015116 ] 

Larry McCay commented on HADOOP-10607:
--------------------------------------

[~owen.omalley]

As I go to implement the ConfigurationCredentialProvider, it gets a little more weird.
What does it mean to create or delete a credential in the provider - since there isn't enough info to implement flush().
How about getAliases?

It really only makes sense as a read provider which already exists in conf.get().

I think that I am going to leave the ConfigurationCredentialProvider out for this iteration - we can always followup with another Jira.

Is that reasonable?

> Create an API to Separate Credentials/Password Storage from Applications
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-10607
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10607
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Larry McCay
>            Assignee: Larry McCay
>             Fix For: 3.0.0
>
>         Attachments: 10607-2.patch, 10607-3.patch, 10607-4.patch, 10607-5.patch, 10607.patch
>
>
> As with the filesystem API, we need to provide a generic mechanism to support multiple credential storage mechanisms that are potentially from third parties. 
> We need the ability to eliminate the storage of passwords and secrets in clear text within configuration files or within code.
> Toward that end, I propose an API that is configured using a list of URLs of CredentialProviders. The implementation will look for implementations using the ServiceLoader interface and thus support third party libraries.
> Two providers will be included in this patch. One using the credentials cache in MapReduce jobs and the other using Java KeyStores from either HDFS or local file system. 
> A CredShell CLI will also be included in this patch which provides the ability to manage the credentials within the stores.



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