Add a new docker image used to generate code

Makefile

@@ -130,3 +130,7 @@ sync-stable-docs:
 update-docsy:
 	rm -rf docs/themes/docsy
 	git clone --recurse-submodules --depth 1 https://github.com/google/docsy.git docs/themes/docsy
+
+.PHONY: codegen
+codegen:
+	docker run -v $PWD:/repo -it gcr.io/pipecd/codegen:0.1.0

dockers/codegen/DOCKER_BUILD

@@ -0,0 +1,2 @@
+version: 0.1.0
+registry: gcr.io/pipecd/codegen

dockers/codegen/Dockerfile

@@ -0,0 +1,46 @@
+FROM golang:1.17-alpine3.15
+
+ENV PROTOC_VER=3.14.0
+ENV PROTOC_GEN_GO_VER=1.27.1
+ENV PROTOC_GEN_GRPC_WEB_VER=1.3.1
+ENV PROTOC_GEN_GO_GRPC_VER=1.1
+ENV PROTOC_GEN_VALIDATE_VER=0.6.6
+ENV GLIBC_VERSION=2.33-r0
+
+RUN apk --no-cache add wget bash \
+    && wget -q https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub -O /etc/apk/keys/sgerrand.rsa.pub \
+    && wget -q https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-${GLIBC_VERSION}.apk -O glibc.apk \
+    && apk add glibc.apk \
+    && rm /etc/apk/keys/sgerrand.rsa.pub glibc.apk
+
+# protoc
+RUN wget -q https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VER}/protoc-${PROTOC_VER}-linux-x86_64.zip -O protoc.zip \
+    && unzip protoc.zip -d /usr/local \
+    && rm protoc.zip
+
+# protoc-gen-go
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v${PROTOC_GEN_GO_VER}
+
+# protoc-gen-go-grpc
+RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v${PROTOC_GEN_GO_GRPC_VER}
+
+# protoc-gen-grpc-web
+RUN wget https://github.com/grpc/grpc-web/releases/download/${PROTOC_GEN_GRPC_WEB_VER}/protoc-gen-grpc-web-${PROTOC_GEN_GRPC_WEB_VER}-linux-x86_64 \
+  && mv protoc-gen-grpc-web-${PROTOC_GEN_GRPC_WEB_VER}-linux-x86_64 /usr/local/bin/protoc-gen-grpc-web \
+  && chmod +x /usr/local/bin/protoc-gen-grpc-web
+
+# protoc-gen-validate
+RUN go install github.com/envoyproxy/protoc-gen-validate@v${PROTOC_GEN_VALIDATE_VER} \
+  && wget -q https://github.com/envoyproxy/protoc-gen-validate/archive/refs/tags/v${PROTOC_GEN_VALIDATE_VER}.tar.gz -O protoc-gen-validate.tar.gz \
+  && mkdir -p /go/src/github.com/envoyproxy \
+  && tar xvfz protoc-gen-validate.tar.gz -C /go/src/github.com/envoyproxy \
+  && rm protoc-gen-validate.tar.gz \
+  && mv /go/src/github.com/envoyproxy/protoc-gen-validate-${PROTOC_GEN_VALIDATE_VER} /go/src/github.com/envoyproxy/protoc-gen-validate
+
+VOLUME /repo
+WORKDIR /repo
+
+COPY ./codegen.sh /
+RUN chmod +x /codegen.sh
+
+ENTRYPOINT ["/codegen.sh"]

dockers/codegen/codegen.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# Generate Go files from proto files.
+goProtoDirs=(
+  "pkg/model"
+  "pkg/app/server/service/apiservice"
+  "pkg/app/server/service/pipedservice"
+  "pkg/app/server/service/webservice"
+  "pkg/app/helloworld/service"
+)
+
+for dir in ${goProtoDirs[*]}; do
+  echo ""
+  echo "- ${dir}"
+  echo "deleting previously generated Go files..."
+  find ${dir} -name "*.pb.go" -o -name "*.pb.validate.go" -type f -delete
+  echo "successfully deleted"
+
+  echo "generating new Go files..."
+  protoc \
+    -I . \
+    -I /go/src/github.com/envoyproxy/protoc-gen-validate \
+    --go_out=. \
+    --go_opt=paths=source_relative \
+    --go-grpc_out=. \
+    --go-grpc_opt=paths=source_relative \
+    --validate_out="lang=go:." \
+    --validate_opt=paths=source_relative \
+    ${dir}/*.proto
+  echo "successfully generated"
+done
+
+# Generate JS files from proto files.
+jsProtoDirs=(
+  "pkg/model"
+  "pkg/app/server/service/webservice"
+)
+jsOutDirs=(
+  "pkg/app/web/model"
+  "pkg/app/web/api_client"
+)
+
+i=0
+while [ $i -lt ${#jsProtoDirs[*]} ]; do
+  inDir=${jsProtoDirs[$i]}
+  outDir=${jsOutDirs[$i]}
+  i=$(( $i + 1))
+
+  echo ""
+  echo "- ${inDir}"
+  echo "deleting previously generated JS files..."
+  rm -rf ${outDir}
+  mkdir -p ${outDir}
+  echo "successfully deleted"
+
+  echo "generating new JS files..."
+  protoc \
+    -I . \
+    -I /go/src/github.com/envoyproxy/protoc-gen-validate \
+    --js_out=import_style=commonjs:. \
+    --grpc-web_out=import_style=commonjs+dts,mode=grpcwebtext:. \
+    ${inDir}/*.proto
+  mv ${inDir}/*.js ${outDir}
+  mv ${inDir}/*.d.ts ${outDir}
+
+  find ${outDir} -type f -exec sed -i 's:.*validate_pb.*::g' {} \;
+  find ${outDir} -type f -exec sed -i "s:'.*pkg:'pipecd\/pkg\/app\/web:g;" {} \;
+  find ${outDir} -type f -exec sed -i "s:'.*\/model\/:'pipecd\/pkg\/app\/web\/model\/:g;" {} \;
+  echo "successfully generated"
+
+echo ""
+echo "Successfully generated all code"
+echo ""
+
+done