Add Makefile and CI to run make build

.github/workflows/protoc.yaml

@@ -0,0 +1,17 @@
+name: protoc
+
+on:
+  pull_request:
+    branches: [ '*' ]
+
+jobs:
+  test-protoc:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout source
+      uses: actions/checkout@v2
+
+    - name: generate go libs using protoc
+      run: |
+        make build
+        make check-changes

.gitignore

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+# binary dir
+bin
+
+# pkg dir
+dist
+
+# dependency dir
+google

Makefile

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+# Copyright 2021 The kube-storage Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SHELL:=/bin/bash
+
+PROTOC_VERSION := 3.14.0
+PROTOC_GEN_GO_VERSION := 1.25.0
+PROTOC_GEN_GO_GRPC_VERSION := 1.1.0
+
+PROTOC_FOUND := $(shell ./bin/protoc --version 2> /dev/null)
+PROTOC_GEN_GO_FOUND := $(shell ./bin/protoc-gen-go --version 2> /dev/null)
+PROTOC_GEN_GO_GRPC_FOUND := $(shell ./bin/protoc-gen-go-grpc --version 2> /dev/null)
+
+
+ifeq ("${PROTOC_FOUND}","libprotoc ${PROTOC_VERSION}")
+	HAVE_PROTOC = "yes"
+endif
+
+ifeq ("${PROTOC_GEN_GO_FOUND}","protoc-gen-go v${PROTOC_GEN_GO_VERSION}")
+	HAVE_PROTOC_GEN_GO = "yes"
+endif
+
+ifeq ("${PROTOC_GEN_GO_GRPC_FOUND}","protoc-gen-go-grpc ${PROTOC_GEN_GO_GRPC_VERSION}")
+	HAVE_PROTOC_GEN_GO_GRPC = "yes"
+endif
+
+
+all: install-deps build
+
+build: install-deps
+	# generate libs
+	./bin/protoc --go_out=lib/go/replication --go_opt=paths=source_relative --plugin=./bin/protoc-gen-go replication.proto
+	./bin/protoc --go-grpc_out=lib/go/replication --go-grpc_opt=paths=source_relative --plugin=./bin/protoc-gen-go-grpc replication.proto
+
+install-deps:
+	mkdir -p bin dist google/protobuf
+ifndef HAVE_PROTOC
+	# download protoc
+	wget -P dist/ --backups=1 \
+		https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip
+	unzip -jod bin dist/protoc-${PROTOC_VERSION}-linux-x86_64.zip bin/protoc
+
+	# extract include/google/protobuf/descriptor.proto
+	unzip -jod google/protobuf dist/protoc-${PROTOC_VERSION}-linux-x86_64.zip include/google/protobuf/descriptor.proto
+endif
+
+ifndef HAVE_PROTOC_GEN_GO
+	# download protoc-gen-go
+	wget -P dist/ --backups=1 \
+		https://github.com/protocolbuffers/protobuf-go/releases/download/v${PROTOC_GEN_GO_VERSION}/protoc-gen-go.v${PROTOC_GEN_GO_VERSION}.linux.386.tar.gz
+	tar -C bin -zxvf dist/protoc-gen-go.v${PROTOC_GEN_GO_VERSION}.linux.386.tar.gz protoc-gen-go
+endif
+
+ifndef HAVE_PROTOC_GEN_GO_GRPC
+	# download protoc-gen-go-grpc
+	wget -P dist/ --backups=1 \
+		https://github.com/grpc/grpc-go/releases/download/cmd%2Fprotoc-gen-go-grpc%2Fv${PROTOC_GEN_GO_GRPC_VERSION}/protoc-gen-go-grpc.v${PROTOC_GEN_GO_GRPC_VERSION}.linux.386.tar.gz
+	tar -C bin -zxvf dist/protoc-gen-go-grpc.v${PROTOC_GEN_GO_GRPC_VERSION}.linux.386.tar.gz ./protoc-gen-go-grpc
+endif
+
+check-changes:
+	output=`git status -z *.go | tr '\0' '\n'`; if test -z "$$output"; then echo "all good"; else echo "files got changed" exit 1; fi
+
+clean-deps:
+	rm -rf bin dist google