73 lines
2.4 KiB
Bash
73 lines
2.4 KiB
Bash
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#!/usr/bin/env bash
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# Abort on error (-e) and print commands (-v).
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set -ev
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# See README.md in lnrpc why we need these specific versions/commits.
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PROTOC_VERSION=3.4.0
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PROTOBUF_VERSION="b5d812f8a3706043e23a9cd5babf2e5423744d30"
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GENPROTO_VERSION="a8101f21cf983e773d0c1133ebc5424792003214"
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GRPC_GATEWAY_VERSION="v1.8.6"
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# This script is specific to Travis CI so we only need to support linux x64.
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PROTOC_URL="https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip"
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PROTOC_DL_CACHE_DIR="${DOWNLOAD_CACHE:-/tmp/download_cache}/protoc"
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# install_protoc copies the cached protoc binary to the $PATH or downloads it
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# if no cached version is found.
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install_protoc() {
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if [ -f "${PROTOC_DL_CACHE_DIR}/bin/protoc" ]; then
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echo "Using cached version of protoc"
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else
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wget -O /tmp/protoc.zip $PROTOC_URL
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mkdir -p "${PROTOC_DL_CACHE_DIR}"
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unzip -o /tmp/protoc.zip -d "${PROTOC_DL_CACHE_DIR}"
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chmod -R a+rx "${PROTOC_DL_CACHE_DIR}/"
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fi
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sudo cp "${PROTOC_DL_CACHE_DIR}/bin/protoc" /usr/local/bin
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sudo cp -r "${PROTOC_DL_CACHE_DIR}/include" /usr/local
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}
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# install_protobuf downloads and compiles the Golang protobuf library that
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# encodes/decodes all protobuf messages from/to Go structs.
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install_protobuf() {
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local install_path="$GOPATH/src/github.com/golang/protobuf"
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if [ ! -d "$install_path" ]; then
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git clone https://github.com/golang/protobuf "$install_path"
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fi
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pushd "$install_path"
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git reset --hard $PROTOBUF_VERSION
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make
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popd
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}
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# install_genproto downloads the Golang protobuf generator that converts the
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# .proto files into Go interface stubs.
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install_genproto() {
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local install_path="$GOPATH/src/google.golang.org/genproto"
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if [ ! -d "$install_path" ]; then
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git clone https://github.com/google/go-genproto "$install_path"
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fi
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pushd "$install_path"
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git reset --hard $GENPROTO_VERSION
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popd
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}
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# install_grpc_gateway downloads and installs the gRPC gateway that converts
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# .proto files into REST gateway code.
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install_grpc_gateway() {
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local install_path="$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway"
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if [ ! -d "$install_path" ]; then
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git clone https://github.com/grpc-ecosystem/grpc-gateway "$install_path"
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fi
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pushd "$install_path"
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git reset --hard $GRPC_GATEWAY_VERSION
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GO111MODULE=on go install ./protoc-gen-grpc-gateway ./protoc-gen-swagger
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popd
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}
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install_protoc
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install_protobuf
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install_genproto
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install_grpc_gateway
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