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https://issues.apache.org/jira/browse/HADOOP-15692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16595605#comment-16595605
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junhua gu commented on HADOOP-15692:
------------------------------------
In 002 patch, All comments are addressed except the interface change for
CustomTokenProviderAdaptee.
For the general design question:
There can be multiple Access Token provider in config for different accounts
but single DelegationTokenProvider.
Delegation token is for user or service principal not Azure service so we don’t
to support multiple of DTs.
CustomDelegationTokenManager is not singleton as it can be initiated by token
renewer as well and all the calls to Token manager are synchronous.
> ABFS: extensible support for custom oauth
> -----------------------------------------
>
> Key: HADOOP-15692
> URL: https://issues.apache.org/jira/browse/HADOOP-15692
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Reporter: Thomas Marquardt
> Assignee: Da Zhou
> Priority: Major
> Attachments: HADOOP-15692-HADOOP-15407-001.patch,
> HADOOP-15692-HADOOP-15407-002.patch
>
>
> ABFS supports oauth in various forms and needs to export interfaces for
> customization of FileSystem.getDelegationToken and getAccessToken.
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