e0ecccff3f
Each of these scripts is basically identical, and all were too brittle. Now they should be more resilient and easier to manage. The script still needs to be updated if we add new ones, which I do not love. More cleanup to follow.
88 lines
2.9 KiB
Bash
88 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2017 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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# The root of the build/dist directory
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KUBE_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd -P)"
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source "${KUBE_ROOT}/hack/lib/init.sh"
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# Generates $1/api.pb.go from the protobuf file $1/api.proto
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# and formats it correctly
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# $1: Full path to the directory where the api.proto file is
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function kube::protoc::generate_proto() {
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kube::golang::setup_env
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GO111MODULE=on GOPROXY=off go install k8s.io/code-generator/cmd/go-to-protobuf/protoc-gen-gogo
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kube::protoc::check_protoc
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local package=${1}
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kube::protoc::protoc "${package}"
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kube::protoc::format "${package}"
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}
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# Checks that the current protoc version is at least version 3.0.0-beta1
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# exit 1 if it's not the case
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function kube::protoc::check_protoc() {
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if [[ -z "$(which protoc)" || "$(protoc --version)" != "libprotoc 3."* ]]; then
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echo "Generating protobuf requires protoc 3.0.0-beta1 or newer. Please download and"
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echo "install the platform appropriate Protobuf package for your OS: "
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echo
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echo " https://github.com/protocolbuffers/protobuf/releases"
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echo
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echo "WARNING: Protobuf changes are not being validated"
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exit 1
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fi
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}
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# Generates $1/api.pb.go from the protobuf file $1/api.proto
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# $1: Full path to the directory where the api.proto file is
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function kube::protoc::protoc() {
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local package=${1}
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gogopath=$(dirname "$(kube::util::find-binary "protoc-gen-gogo")")
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PATH="${gogopath}:${PATH}" protoc \
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--proto_path="${package}" \
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--proto_path="${KUBE_ROOT}/vendor" \
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--gogo_out=plugins=grpc:"${package}" "${package}/api.proto"
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}
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# Formats $1/api.pb.go, adds the boilerplate comments and run gofmt on it
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# $1: Full path to the directory where the api.proto file is
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function kube::protoc::format() {
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local package=${1}
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# Update boilerplate for the generated file.
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cat hack/boilerplate/boilerplate.generatego.txt "${package}/api.pb.go" > tmpfile && mv tmpfile "${package}/api.pb.go"
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# Run gofmt to clean up the generated code.
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kube::golang::verify_go_version
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gofmt -s -w "${package}/api.pb.go"
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}
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# Compares the contents of $1 and $2
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# Echo's $3 in case of error and exits 1
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function kube::protoc::diff() {
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local ret=0
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diff -I "gzipped FileDescriptorProto" -I "0x" -Naupr "${1}" "${2}" || ret=$?
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if [[ ${ret} -ne 0 ]]; then
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echo "${3}"
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exit 1
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fi
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}
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