Copy client metadata explicitly

mwitkow / grpc-proxy

gRPC proxy is a Go reverse proxy that allows for rich routing of gRPC calls with minimum overhead.

Apache License 2.0

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Copy client metadata explicitly #18

Closed simonhorlick closed 6 years ago

simonhorlick commented 7 years ago

Hi @mwitkow, could you take a look at this? I'm not very familiar with grpc go, but this change seems to allow passing metadata to the backend service. Without it I only see user-agent and content-type.

vgough commented 7 years ago

FYI, metadata handling is also fixed in #16 .