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https://issues.apache.org/jira/browse/HADOOP-14627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124451#comment-16124451
 ] 

Hadoop QA commented on HADOOP-14627:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
15s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
27s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 
30s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 18m 
31s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
16s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
36s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
27s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
22s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
24s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green}  0m  
3s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
30s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  9m 
32s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 
56s{color} | {color:green} hadoop-azure-datalake in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
41s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}107m  7s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HADOOP-14627 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12881595/HADOOP-14627.004.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  xml  findbugs  checkstyle  |
| uname | Linux f6d77ee875f3 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 
14:13:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 28d97b7 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13013/testReport/ |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-tools/hadoop-azure-datalake U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13013/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Support MSI and DeviceCode token provider in ADLS
> -------------------------------------------------
>
>                 Key: HADOOP-14627
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14627
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/adl
>         Environment: MSI Change applies only to Hadoop running in an Azure VM
>            Reporter: Atul Sikaria
>            Assignee: Atul Sikaria
>         Attachments: HADOOP-14627-001.patch, HADOOP-14627.002.patch, 
> HADOOP-14627.003.patch, HADOOP-14627.004.patch
>
>
> This change is to upgrade the Hadoop ADLS connector to enable new auth 
> features exposed by the ADLS Java SDK.
> Specifically:
> MSI Tokens: MSI (Managed Service Identity) is a way to provide an identity to 
> an Azure Service. In the case of VMs, they can be used to give an identity to 
> a VM deployment. This simplifies managing Service Principals, since the creds 
> don’t have to be managed in core-site files anymore. The way this works is 
> that during VM deployment, the ARM (Azure Resource Manager) template needs to 
> be modified to enable MSI. Once deployed, the MSI extension runs a service on 
> the VM that exposes a token endpoint to http://localhost at a port specified 
> in the template. The SDK has a new TokenProvider to fetch the token from this 
> local endpoint. This change would expose that TokenProvider as an auth option.
> DeviceCode auth: This enables a token to be obtained from an interactive 
> login. The user is given a URL and a token to use on the login screen. User 
> can use the token to login from any device. Once the login is done, the token 
> that is obtained is in the name of the user who logged in. Note that because 
> of the interactive login involved, this is not very suitable for job 
> scenarios, but can work for ad-hoc scenarios like running “hdfs dfs” commands.



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