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Support http otel trace export #2361

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tillrohrmann opened this issue Nov 26, 2024 · 0 comments
Open

Support http otel trace export #2361

tillrohrmann opened this issue Nov 26, 2024 · 0 comments

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@tillrohrmann
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Our otel trace export requires grpc at the moment. However, there are otel collectors out there that don't support grpc and only support plain http. One example is https://axiom.co/ which a user reported here https://discord.com/channels/1128210118216007792/1277162136610541602/1277162136610541602. To also integrate with these otel collectors, we probably need to make the protocol that the SpanExporter uses configurable (http vs grpc). Bonus points if we also add TLS support for the http exporter. What's not clear is whether Axiom requires http with json payload or understands protobuf messages.
tillrohrmann added a commit to tillrohrmann/restate that referenced this issue Jan 2, 2025
@tillrohrmann
Add support for http based otel export protocol
8a870a6 
With this commit, it is now possible to choose which protocol the OTEL
exporter uses to export the traces. Users can choose grpc or protobuf
over http.

This fixes restatedev#2361.
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