add code generator script

Signed-off-by: Thor-wl <1187526662@qq.com>

hack/boilerplate.go.txt

@@ -0,0 +1,15 @@
+/*
+Copyright 2021 The Volcano Authors.
+
+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.
+*/

hack/update-codegen.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ${GOPATH}/src/k8s.io/code-generator)}
+
+vendor/k8s.io/code-generator/generate-groups.sh all \
+  github.com/volcano-sh/apis/pkg/client github.com/volcano-sh/apis/pkg/apis/batch \
+  batch.volcano.sh:v1alpha1 \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+vendor/k8s.io/code-generator/generate-groups.sh all \
+  github.com/volcano-sh/apis/pkg/client github.com/volcano-sh/apis/pkg/apis/bus \
+  bus.volcano.sh:v1alpha1 \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+vendor/k8s.io/code-generator/generate-groups.sh all \
+  github.com/volcano-sh/apis/pkg/client github.com/volcano-sh/apis/pkg/apis/scheduling \
+  scheduling.volcano.sh:v1beta1 \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt

hack/verify-codegen.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
+DIFFROOT="${SCRIPT_ROOT}/pkg"
+TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"
+_tmp="${SCRIPT_ROOT}/_tmp"
+
+cleanup() {
+    rm -rf "${_tmp}"
+}
+trap "cleanup" EXIT SIGINT
+
+cleanup
+
+mkdir -p "${TMP_DIFFROOT}"
+cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"
+
+"${SCRIPT_ROOT}/hack/update-codegen.sh"
+echo "diffing ${DIFFROOT} against freshly generated codegen"
+ret=0
+diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
+cp -a "${TMP_DIFFROOT}"/* "${DIFFROOT}"
+if [[ $ret -eq 0 ]]
+then
+    echo "${DIFFROOT} up to date."
+else
+    echo "${DIFFROOT} is out of date. Please run hack/update-codegen.sh"
+    exit 1
+fi