go-grpc-rest环境搭建

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安装protoc

下载：https://github.com/protocolbuffers/protobuf

设置环境变量

安装gogoproto

go get -u github.com/gogo/protobuf/..

安装grpc-gateway

go get -u github.com/grpc-ecosystem/grpc-gateway

go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway
go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2
go install google.golang.org/protobuf/cmd/protoc-gen-go
go install google.golang.org/grpc/cmd/protoc-gen-go-grpc

脚本文件genproto.sh

#!/usr/bin/env bash
#
# Generate all etcd protobuf bindings.
# Run from repository root.
#
set -e

# directories containing protos to be built
DIRS="./pb"

# disable go mod
export GO111MODULE=off

# set up self-contained GOPATH for building
GOPATH="/usr/local/go"
GOGOPROTO_ROOT="$GOPATH/src/github.com/gogo/protobuf"
GOGOPROTO_PATH="$GOPATH/src/github.com/gogo/protobuf/protobuf"
GRPC_GATEWAY_ROOT="$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway"
GATEWAY_FILE_PATH="gw"

for dir in ${DIRS}; do
  pushd "${dir}"
  mkdir -p ${GATEWAY_FILE_PATH}
  protoc --gogofast_out=plugins=grpc:. -I . -I ${GOPATH}/src -I ${GOGOPROTO_PATH} -I ${GOGOPROTO_ROOT} --grpc-gateway_out ${GATEWAY_FILE_PATH} ./*.proto
  sed -i.bak -E 's/_ \"google\/api\"/_ \"google\.golang\.org\/genproto\/googleapis\/api\/annotations\"/g' ./*.pb.go
  rm -f ./*.bak
  goimports -w ./*.pb.go
  popd
done

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