[CELEBORN-1489] Update Flink support with authentication support - backport to 0.5 #2603
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Backport of #2596 to branch-0.5
Conflicts were in:
Description from #2596:
What changes were proposed in this pull request?
Fix authentication support for Apache Flink.
Why are the changes needed?
Without these changes, Apache Flink applications fail when Celeborn cluster has authentication enabled.
Does this PR introduce any user-facing change?
Fixes authentication support for Apache Flink integration
How was this patch tested?
This is forward port + adaptation of changes we did internally (against 0.4) when testing Apache Flink applications against Celeborn cluster with authentication (and TLS) enabled.
Integration test has been updated to additionally test for Flink applications with authentication enabled in Celeborn cluster.