kafka: add support for list-offsets request #24375
Merged
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Commit Message: kafka: add support for list-offsets request
Additional Description: When Kafka consumer starts getting records from upstream Kafka cluster, the first request it sends to upstream is actually asking for its position (this data is then used in following requests, updated as records are received). As the offset management is going to be left to proxy/Envoy we can send a trivial
0
here, simplifying the code.Required for #24372
Risk Level: Low
Testing: unit tests, full integration stack with Fetch requets
Docs Changes: N/A
Release Notes: N/A
Platform Specific Features: N/A