envoyproxy / envoyproxy/gateway
Support sending OpenTelemetry traces over OTLP/HTTP
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- Go
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Description
## Description
Current Envoy gateway only has [HTTP/gRPC support for traces](https://github.com/envoyproxy/gateway/blob/bd2f6740fbf436731cb71b77637dd7b4eb061632/internal/xds/translator/tracing.go#L55-L74).
Current [tracing docs](https://gateway.envoyproxy.io/docs/tasks/observability/proxy-trace/#traces) also does not mention configuring exporting protocol.
I would like to see support for OTLP/HTTP traces added to the gateway.
## Relevant links
- Envoy supports OTLP/HTTP in https://github.com/envoyproxy/envoy/issues/26352.
- Istio also supports OTLP/HTTP: https://istio.io/latest/docs/tasks/observability/distributed-tracing/opentelemetry/#exporting-via-http.
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