Add code generation scripts

Signed-off-by: Marko Mudrinić <mudrinic.mare@gmail.com>

hack/update-codegen.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# Copyright 2019 The KubeOne 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+
+# The code generation script takes the following arguments:
+# * generators (we use only deepcopy, conversion and defaulter)
+# * output path for clientset (we don't generate clienset, therefore it's empty)
+# * the internal types dir
+# * the external types dir
+# * group and versions to generate code for
+${CODEGEN_PKG}/generate-internal-groups.sh "deepcopy,conversion,defaulter" \
+  "" github.com/kubermatic/kubeone/pkg/apis github.com/kubermatic/kubeone/pkg/apis \
+  kubeonecluster:v1beta1 \
+  --output-base "$(dirname ${BASH_SOURCE})/../../../.." \
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate/boilerplate.generatego.txt

hack/verify-codegen.sh

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+#!/usr/bin/env bash
+
+# Copyright 2019 The KubeOne 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.
+
+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