Anton Evangelatov 7c9314f231 swarm: integrate OpenTracing; propagate ctx to internal APIs (#17169 )

* swarm: propagate ctx, enable opentracing

* swarm/tracing: log error when tracing is misconfigured

2018-07-13 17:40:28 +02:00

Apache Thrift

This is a partial copy of Apache Thrift v0.10 (b2a4d4ae21).

It is vendored code to avoid compatibility issues introduced in Thrift v0.11.