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https://issues.apache.org/jira/browse/SPARK-57896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-57896:
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Labels: pull-request-available (was: )
> Add Kerberos coexistence and per-user token integration tests
> -------------------------------------------------------------
>
> Key: SPARK-57896
> URL: https://issues.apache.org/jira/browse/SPARK-57896
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core, Tests
> Affects Versions: 4.3.0
> Reporter: Kousuke Saruta
> Priority: Major
> Labels: pull-request-available
>
> This sub-task is part of the umbrella
> [SPARK-57703|https://issues.apache.org/jira/browse/SPARK-57703] (OIDC
> Credential Propagation).
> h2. Problem
> We need to verify that the new OIDC credential path does not interfere with
> existing Kerberos delegation token handling, and that both workload-level and
> per-user tokens work correctly.
> h2. Goal
> Comprehensive integration tests proving coexistence and correctness.
> h2. Scope
> * Integration test: local-mode job with
> {{spark.security.credentials.enabled=true}} + Fake provider delivers
> {{ServiceCredential}} to executors and refreshes on expiry
> * Same test with per-user identity token as input
> * Coexistence test: both {{UserCredentialManager}} and
> {{HadoopDelegationTokenManager}} active simultaneously; failure in one does
> not affect the other
> * Verify no regressions in existing Kerberos delegation token test suite
> h2. Acceptance criteria
> * All new integration tests pass.
> * Existing Kerberos delegation token tests pass without modification.
> * Credential refresh works end-to-end in local mode.
> * Per-user identity tokens produce valid credentials identically to workload
> tokens.
> Reference: [SPIP design document Q8 and Testing
> plan|https://docs.google.com/document/d/1usJKncCPMiyFUg7aIdpZ0HQsklXIHow_sU_6dfFMjN0/edit].
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