Automatic baggage propagation from gRPC metadata#369
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o-shevchenko wants to merge 2 commits intospring-projects:mainfrom
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Automatic baggage propagation from gRPC metadata#369o-shevchenko wants to merge 2 commits intospring-projects:mainfrom
o-shevchenko wants to merge 2 commits intospring-projects:mainfrom
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Implements automatic propagation of OpenTelemetry baggage between gRPC services via metadata headers. Client side: GrpcHeaderClientInterceptor propagates baggage values as gRPC metadata headers in outbound calls based on management.tracing.baggage.remote-fields configuration. Server side: GrpcHeaderServerInterceptor extracts metadata headers into baggage for downstream propagation and adds them as span tags based on management.tracing.baggage.tag-fields configuration. Both interceptors properly manage BaggageInScope lifecycle with guaranteed cleanup on call completion or cancellation. Signed-off-by: Oleksandr Shevchenko <shevchenko.olexandr96@gmail.com>
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👋🏻 @o-shevchenko , Thank you for the contribution 🎉 ! Note 🚧 🚧 🚧 Because this change resides in the auto-configuration which we are in the process of moving to Spring Boot (see #234) we will review this but merging will be delayed until after the migration completes. Please pardon our mess while under construction 👷🏻 🏗️ . Thank you for your patience. |
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Implements automatic propagation of OpenTelemetry baggage between gRPC services via metadata headers.
Integrate it with current Spring Boot actuator confs for HTTP headers
Client side: GrpcHeaderClientInterceptor propagates baggage values as gRPC metadata headers in outbound calls based on management.tracing.baggage.remote-fields configuration.
Server side: GrpcHeaderServerInterceptor extracts metadata headers into baggage for downstream propagation and adds them as span tags based on management.tracing.baggage.tag-fields configuration.
[resolves #368]