[jira] [Updated] (SPARK-57890) Add core credential types (UserContext, ServiceCredential, UserCredentials)

["Kousuke Saruta (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-57890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kousuke Saruta updated SPARK-57890:
-----------------------------------
    Description:     (was: ### Problem

There are no types in Spark to represent an OIDC identity or short-lived delegated credentials for propagation to executor
s.

### Goal

Introduce the foundational types that the rest of the credential propagation framework builds on.

### Scope

Add to `org.apache.spark.security`:

- `UserContext`: Driver-side identity (principal, issuer, rawToken, issuedAt, expiresAt). Not Serializable (driver-only). `toString()` redacts rawToken.
- `ServiceCredential`: Short-lived delegated credential (properties: Map[String, String], expiresAt). Serializable.
- `UserCredentials`: Per-scheme Map[String, ServiceCredential] bundle. Serializable. Does not contain UserContext or rawToken.

### Acceptance criteria

- Types compile and are usable from Scala and Java.
- `UserContext.toString()` does not expose rawToken.
- `UserCredentials` can be serialized and deserialized without loss.
- Unit tests cover serialization round-trip, redaction, and basic operations (forScheme lookup, expiry checks).

Reference: SPIP design document Appendix A.)

> Add core credential types (UserContext, ServiceCredential, UserCredentials)
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-57890
>                 URL: https://issues.apache.org/jira/browse/SPARK-57890
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Spark Core
>    Affects Versions: 4.3.0
>            Reporter: Kousuke Saruta
>            Priority: Major
>




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