anujmodi2021 commented on code in PR #6787:
URL: https://github.com/apache/hadoop/pull/6787#discussion_r1595039239
##########
hadoop-tools/hadoop-azure/src/site/markdown/testing_azure.md:
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@@ -879,6 +879,42 @@ hierarchical namespace enabled, and set the following
configuration settings:
</property>
-->
+ <!--2.5. If "WorkloadIdentityTokenProvider" is set as key provider,
uncomment below and
+ set tenant, client id and token file path.
+
+ All service principals must have federated identity credentials for
Kubernetes.
+ See Azure docs:
https://learn.microsoft.com/en-us/azure/active-directory/workload-identities/workload-identity-federation-create-trust?pivots=identity-wif-apps-methods-azp#kubernetes
+
+ Retrieve the Azure identity token from kubernetes:
+ 1. Create AKS cluster with Workload Identity:
https://learn.microsoft.com/en-us/azure/aks/workload-identity-deploy-cluster
+ 2. Create the pod:
+ kubectl apply -f src/test/resources/workload-identity-pod.yaml
+ 3. After the pod is running, retrieve the identity token from the
pod logs:
+ kubectl logs pod/workload-identity
+ 4. Save the identity token to the token file path specified below.
+
+ The Azure identity token expires after 1 hour.
+ -->
+ <!--
+ <property>
+ <name>fs.azure.account.oauth2.msi.tenant.{ABFS_ACCOUNT_NAME}</name>
+ <value>{tenantGuid}</value>
+ <description>msi tenantGuid.</description>
+ </property>
+
+ <property>
+ <name>fs.azure.account.oauth2.client.id.{ABFS_ACCOUNT_NAME}</name>
+ <value>{client id}</value>
+ <description>AAD client id.</description>
+ </property>
+
+ <property>
+ <name>fs.azure.account.oauth2.client.token.file.{ABFS_ACCOUNT_NAME}</name>
+ <value>{token file path}</value>
Review Comment:
I looked through some online resources and found that clientAssertion has to
be in the following format:
```"<Base64URL encoded JOSE Header>.<Base64URL encoded JWS
Payload>.<Base64URL encoded JWS Signature>"```
Will add test cases around this.
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