tree 9b806392a3ee9575e04590d9f039ba019e5a7eb2
parent 446f787dfc2073d1490df3d76c19db719e3db7fc
author Chris Egerton <chrise@confluent.io> 1573720744 +0530
committer Manikumar Reddy <manikumar@confluent.io> 1573720763 +0530

KAFKA-9046: Use top-level worker configs for connector admin clients

[Jira](https://issues.apache.org/jira/browse/KAFKA-9046)

The changes here are meant to find a healthy compromise between the pre- and post-KIP-458 functionality of Connect workers when configuring admin clients for use with DLQs. Before KIP-458, admin clients were configured using the top-level worker configs; after KIP-458, they are configured using worker configs with a prefix of `admin.` and then optionally overridden by connector configs with a prefix of `admin.override.`. The behavior proposed here is to use, in ascending order of precedence, the top-level worker configs, worker configs prefixed with `admin.`, and connector configs prefixed with `admin.override.`; essentially, use the pre-KIP-458 behavior by default but allow it to be overridden by the post-KIP-458 behavior.

Author: Chris Egerton <chrise@confluent.io>

Reviewers: Konstantine Karantasis <konstantine@confluent.io>, Randall Hauch <rhauch@gmail.com>, Nigel Liang <nigel@nigelliang.com>

Closes #7525 from C0urante/kafka-9046

(cherry picked from commit 38d243b022336ecaf5cb400ae015c485f56ff978)
Signed-off-by: Manikumar Reddy <manikumar@confluent.io>