fix(agent): allow context propagation in grpc messages

kubeshop / tracetest

🔭 Tracetest - Build integration and end-to-end tests in minutes, instead of days, using OpenTelemetry and trace-based testing.

https://docs.tracetest.io/

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fix(agent): allow context propagation in grpc messages #3823

Closed schoren closed 4 months ago

schoren commented 4 months ago

This PR fixes the tracing context propagation between tracetest cloud and the tracetest agent. By adding a new Metadata field in the relevant gRPC messages, we can send arbitrary data back and forth, like pseudo headers.

The original implementation relied on sending gRPC headers, but the implementation didn't work because those headers are only sent when the stream is stablished, and all successive calls are ignored.

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Name	Status	Preview	Comments	Updated (UTC)
tracetest	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 22, 2024 3:08pm