go-ethereum/cmd
Barnabas Busa f568ab9931
internal/telemetry: add gRPC transport for OTLP trace export (#33941)
## Summary
- Add `grpc://` and `grpcs://` URL scheme support for OTLP trace export
alongside existing `http://`/`https://`
- The OTLP spec defines two transports: HTTP (port 4318) and gRPC (port
4317). Many observability backends (Jaeger, Tempo, Datadog) prefer gRPC
for lower overhead
- Both `otlptracehttp` and `otlptracegrpc` return `*otlptrace.Exporter`,
so only exporter construction changes — everything downstream (batch
processor, tracer provider, lifecycle) is untouched
- Update flag usage strings to be transport-agnostic

## Example usage
```
geth --rpc.telemetry --rpc.telemetry.endpoint grpc://localhost:4317
geth --rpc.telemetry --rpc.telemetry.endpoint grpcs://tempo-grpc.example.com:443
```

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-21 14:48:21 +02:00
..
abidump all: update license headers and AUTHORS from git history (#24947) 2022-05-24 20:39:40 +02:00
abigen cmd/abigen, accounts/abi/bind: implement abigen version 2 (#31379) 2025-03-17 15:56:55 +01:00
blsync beacon/blsync: add checkpoint import/export file feature (#31469) 2025-04-03 16:04:11 +02:00
clef cmd/clef: update Safe API documentation links in changelog (#32136) 2025-07-09 14:09:11 -06:00
devp2p cmd/devp2p/internal/v5test: fix hive test for discv5 findnode results (#34043) 2026-04-14 12:15:39 +02:00
era internal/era: New EraE implementation (#32157) 2026-02-09 08:30:19 -07:00
ethkey cmd: fix some typos in readmes (#29405) 2024-04-11 14:06:49 +03:00
evm core: implement eip-7976: Increase Calldata Floor Cost (#34748) 2026-04-21 16:20:02 +08:00
fetchpayload cmd/fetchpayload: add payload-building utility (#33919) 2026-03-11 16:18:42 +01:00
geth cmd/geth: add code exporter for db export (#34696) 2026-04-17 09:53:00 +08:00
keeper internal/telemetry: add gRPC transport for OTLP trace export (#33941) 2026-04-21 14:48:21 +02:00
rlpdump build: update to golangci-lint 1.61.0 (#30587) 2024-10-14 19:25:22 +02:00
utils internal/telemetry: add gRPC transport for OTLP trace export (#33941) 2026-04-21 14:48:21 +02:00
workload core/history: refactor pruning configuration (#34036) 2026-03-18 13:54:29 +01:00