feat(data-pipeline): OTLP HTTP/protobuf trace export#2115

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bm1549 wants to merge 33 commits into

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brian.marks/otlp-http-protobuf-export

Commits on Jun 12, 2026

docs(otlp): design spec for OTLP HTTP/protobuf trace export

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claude
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docs(otlp): implementation plan for OTLP HTTP/protobuf trace export

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feat(trace-protobuf): vendor + generate OTLP trace/collector prost types
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feat(trace-utils): add serde->prost OTLP converter
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refactor(trace-utils): clarify OTLP converter + add fallback/status tests

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feat(trace-utils): add encode_otlp_json/encode_otlp_protobuf
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feat(data-pipeline): make OtlpProtocol public with FromStr

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feat(data-pipeline): set OTLP content-type from protocol

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feat(data-pipeline): add TraceExporterBuilder::set_otlp_protocol

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feat(data-pipeline): dispatch OTLP encoder by protocol + protobuf test

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refactor(data-pipeline): narrow otlp pub surface + exhaustive content-type match

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feat(data-pipeline-ffi): add ddog_trace_exporter_config_set_otlp_protocol
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test(data-pipeline-ffi): cover set_otlp_protocol + clarify contract

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fix(trace-protobuf): disable comments on vendored OTLP trace protos to avoid doctest failures
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docs(data-pipeline): clarify parse_u64/kind fallbacks and unreachable Grpc content-type arm
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chore: drop in-repo planning docs (moved to chonk)

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fix(data-pipeline): reject unsupported OTLP gRPC at build time

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Commits on Jun 18, 2026

Commits on Jun 19, 2026