[jira] [Commented] (HADOOP-14808) Hadoop keychain

["Hadoop QA (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-14808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17080787#comment-17080787 ] 

Hadoop QA commented on HADOOP-14808:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  8s{color} | {color:red} HADOOP-14808 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-14808 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12885725/HADOOP-14808.003.patch |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/16860/console |
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> Hadoop keychain
> ---------------
>
>                 Key: HADOOP-14808
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14808
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 2.7.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Major
>         Attachments: HADOOP-14808.001.patch, HADOOP-14808.002.patch, HADOOP-14808.003.patch
>
>
> Extend the idea from HADOOP-6520 "UGI should load tokens from the environment" to a generic lightweight "keychain" design. Load keys (secrets) into a keychain in UGI (secret map) at startup. YARN will distribute them securely into each container. The Hadoop code running in the container can then retrieve the credentials from UGI.
> The use case is Bring Your Own Key (BYOK) credentials for cloud connectors (adl, wasb, s3a, etc.), while Hadoop authentication is still Kerberos. No configuration change, no admin involved. It will support YARN applications initially, e.g., DistCp, Tera Suite, Spark-on-Yarn, etc.
> Implementation is surprisingly simple because almost all pieces are in place:
> * Retrieve secrets from UGI using {{conf.getPassword}} backed by the existing Credential Provider class {{UserProvider}}
> * Reuse Credential Provider classes and interface to define local permanent or transient credential store, e.g., {{LocalJavaKeyStoreProvider}}
> * New: create a new transient Credential Provider that logs into AAD with username/password or device code, and then put the Client ID and Refresh Token into the keychain
> * New: create a new permanent Credential Provider based on Hadoop configuration XML, for dev/testing purpose.
> Links
> * HADOOP-11766 Generic token authentication support for Hadoop
> * HADOOP-11744 Support OAuth2 in Hadoop
> * HADOOP-10959 A Kerberos based token authentication approach
> * HADOOP-9392 Token based authentication and Single Sign On



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