redis_proxy: Add support for per-upstream auth credentials #41212
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Commit Message: redis_proxy: Add support for per-upstream auth credentials
Additional Description: This adds the ability to use upstream redis clusters which each have different usernames and/or passwords. The credentials are keyed with an
address
, which must be a socket address and matches against the upstream based on the port along with the hostname or IP address.Risk Level: Low
Testing: Unit and integration tests, as well as manual testing and using in production at my company for a couple months
Docs Changes: Yes, docs/root and api proto comments
Release Notes: Yes
Platform Specific Features: None
Fixes: #23962