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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14443) Azure: Support retry and client side failover for authorization, SASKey and delegation token generation
Date Mon, 03 Jul 2017 13:09:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16072412#comment-16072412
] 

Hadoop QA commented on HADOOP-14443:
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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  5s{color} | {color:red}
HADOOP-14443 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-14443 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12875503/HADOOP-14443-branch2-1.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/12704/console |
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This message was automatically generated.



> Azure: Support retry and client side failover for authorization, SASKey and delegation
token generation
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14443
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14443
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/azure
>    Affects Versions: 2.9.0
>            Reporter: Santhosh G Nayak
>            Assignee: Santhosh G Nayak
>             Fix For: 3.0.0-alpha4
>
>         Attachments: HADOOP-14443.1.patch, HADOOP-14443.2.patch, HADOOP-14443.3.patch,
HADOOP-14443.4.patch, HADOOP-14443.5.patch, HADOOP-14443.6.patch, HADOOP-14443.7.patch, HADOOP-14443-branch2-1.patch
>
>
> Currently, {{WasRemoteCallHelper}} can be configured to talk to only one URL for authorization,
SASKey generation and delegation token generation. If for some reason the service is down,
all the requests will fail.
> So proposal is to,
> - Add support to configure multiple URLs, so that if communication to one URL fails,
client can retry on another instance of the service running on different node for authorization,
SASKey generation and delegation token generation. 
> - Rename the configurations {{fs.azure.authorization.remote.service.url}} to {{fs.azure.authorization.remote.service.urls}}
and {{fs.azure.cred.service.url}} to {{fs.azure.cred.service.urls}} to support the comma separated
list of URLs.
> - Introduce a new configuration {{fs.azure.delegation.token.service.urls}} to configure
the comma separated list of service URLs to get the delegation token.



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