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https://issues.apache.org/jira/browse/HADOOP-18610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17806161#comment-17806161
 ] 

ASF GitHub Bot commented on HADOOP-18610:
-----------------------------------------

hadoop-yetus commented on PR #5953:
URL: https://github.com/apache/hadoop/pull/5953#issuecomment-1889792595

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 53s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  1s |  |  No case conflicting files 
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   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
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|
   | +0 :ok: |  markdownlint  |   0m  0s |  |  markdownlint was not available.  
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   | +0 :ok: |  yamllint  |   0m  0s |  |  yamllint was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
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   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
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   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  41m 27s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   0m 37s |  |  trunk passed with JDK 
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04  |
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Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04  |
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Private Build-1.8.0_392-8u392-ga-1~20.04-b08  |
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   | +1 :green_heart: |  shadedclient  |  32m 18s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   0m 27s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 29s |  |  the patch passed with JDK 
Ubuntu-11.0.21+9-post-Ubuntu-0ubuntu120.04  |
   | +1 :green_heart: |  javac  |   0m 29s |  |  the patch passed  |
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Private Build-1.8.0_392-8u392-ga-1~20.04-b08  |
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   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | -0 :warning: |  checkstyle  |   0m 18s | 
[/results-checkstyle-hadoop-tools_hadoop-azure.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5953/6/artifact/out/results-checkstyle-hadoop-tools_hadoop-azure.txt)
 |  hadoop-tools/hadoop-azure: The patch generated 2 new + 2 unchanged - 0 
fixed = 4 total (was 2)  |
   | +1 :green_heart: |  mvnsite  |   0m 28s |  |  the patch passed  |
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   | +1 :green_heart: |  javadoc  |   0m 25s |  |  the patch passed with JDK 
Private Build-1.8.0_392-8u392-ga-1~20.04-b08  |
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   | +1 :green_heart: |  shadedclient  |  32m 34s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   2m  7s |  |  hadoop-azure in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 34s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 122m  4s |  |  |
   
   
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   | Docker | ClientAPI=1.43 ServerAPI=1.43 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5953/6/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/5953 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
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   | uname | Linux 9de056802853 5.15.0-88-generic #98-Ubuntu SMP Mon Oct 2 
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5953/6/testReport/ |
   | Max. process+thread count | 633 (vs. ulimit of 5500) |
   | modules | C: hadoop-tools/hadoop-azure U: hadoop-tools/hadoop-azure |
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https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5953/6/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> ABFS OAuth2 Token Provider to support Azure Workload Identity for AKS
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-18610
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18610
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: tools
>    Affects Versions: 3.3.4
>            Reporter: Haifeng Chen
>            Priority: Critical
>              Labels: pull-request-available
>         Attachments: HADOOP-18610-preview.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> In Jan 2023, Microsoft Azure AKS replaced its original pod-managed identity 
> with with [Azure Active Directory (Azure AD) workload 
> identities|https://learn.microsoft.com/en-us/azure/active-directory/develop/workload-identities-overview]
>  (preview), which integrate with the Kubernetes native capabilities to 
> federate with any external identity providers. This approach is simpler to 
> use and deploy.
> Refer to 
> [https://learn.microsoft.com/en-us/azure/aks/workload-identity-overview|https://learn.microsoft.com/en-us/azure/aks/workload-identity-overview.]
>  and [https://azure.github.io/azure-workload-identity/docs/introduction.html] 
> for more details.
> The basic use scenario is to access Azure cloud resources (such as cloud 
> storage) from Kubernetes (such as AKS) workload using Azure managed identity 
> federated with Kubernetes service account. The credential environment 
> variables in pod projected by Azure AD workload identity are like following:
> AZURE_AUTHORITY_HOST: (Injected by the webhook, 
> [https://login.microsoftonline.com/])
> AZURE_CLIENT_ID: (Injected by the webhook)
> AZURE_TENANT_ID: (Injected by the webhook)
> AZURE_FEDERATED_TOKEN_FILE: (Injected by the webhook, 
> /var/run/secrets/azure/tokens/azure-identity-token)
> The token in the file pointed by AZURE_FEDERATED_TOKEN_FILE is a JWT (JASON 
> Web Token) client assertion token which we can use to request to 
> AZURE_AUTHORITY_HOST (url is  AZURE_AUTHORITY_HOST + tenantId + 
> "/oauth2/v2.0/token")  for a AD token which can be used to directly access 
> the Azure cloud resources.
> This approach is very common and similar among cloud providers such as AWS 
> and GCP. Hadoop AWS integration has WebIdentityTokenCredentialProvider to 
> handle the same case.
> The existing MsiTokenProvider can only handle the managed identity associated 
> with Azure VM instance. We need to implement a WorkloadIdentityTokenProvider 
> which handle Azure Workload Identity case. For this, we need to add one 
> method (getTokenUsingJWTAssertion) in AzureADAuthenticator which will be used 
> by WorkloadIdentityTokenProvider.
>  



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