influxdb/chronograf/docs/proto.md

Download the protobuf binary by either:

• brew install protobuf
• Download from protobuf github release and place in your $PATH

run the following 4 commands listed here https://github.com/gogo/protobuf

go get github.com/gogo/protobuf/proto
go get github.com/gogo/protobuf/jsonpb
go get github.com/gogo/protobuf/protoc-gen-gogo
go get github.com/gogo/protobuf/gogoproto

now, you can regenerate the .proto file: protoc --gogo_out=. internal.proto