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https://issues.apache.org/jira/browse/HADOOP-12846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Larry McCay updated HADOOP-12846:
---------------------------------
Status: Patch Available (was: Open)
v002 addresses the warnings and javadoc error found in precommit. I've also
done some more clean up and renamed the new method in ProviderUtils more
appropriately.
> Credential Provider Recursive Dependencies
> ------------------------------------------
>
> Key: HADOOP-12846
> URL: https://issues.apache.org/jira/browse/HADOOP-12846
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Larry McCay
> Assignee: Larry McCay
> Attachments: HADOOP-12846-001.patch, HADOOP-12846-002.patch
>
>
> There are a few credential provider integration points in which the use of a
> certain type of provider in a certain filesystem causes a recursive infinite
> loop.
> For instance, a component such as sqoop can be protecting a db password in a
> credential provider within the wasb/azure filesystem. Now that HADOOP-12555
> has introduced the ability to protect the access keys for wasb we suddenly
> need access to wasb to get the database keys which initiates the attempt to
> get the access keys from wasb - since there is a provider path configured for
> sqoop.
> For such integrations, those in which it doesn't make sense to protect the
> access keys inside the thing that we need the keys to access, we need a
> solution to avoid this recursion - other than dictating what filesystems can
> be used by other components.
> This patch proposes the ability to scrub the configured provider path of any
> provider types that would be incompatible with the integration point. In
> other words, before calling Configuration.getPassword for the access keys to
> wasb, we can remove any configured providers that require access to wasb.
> This will require some regex expressions that can be used to identify the
> configuration of such provider uri's within the provider path parameter.
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