ingress-nginx-helm/hack/generate-deploy-scripts.sh
Alastair Firth d16e0dec48
Static manifest generation uses kustomize instead of python (#8099)
* regenerate at 4.0.12

* bash for loop and static values files

* add .tool-versions

* fixup static manifests with kustomize instead of python

* remove spec.replicas where set

* generate manifests for all supported versions

* update docs

* remove all versions except default (1.20) for now

* update to 1.1.1/4.0.15
2022-01-17 15:28:56 -08:00

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#!/bin/bash
# Copyright 2020 The Kubernetes 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.
if [ -n "$DEBUG" ]; then
set -x
fi
set -o errexit
set -o nounset
set -o pipefail
# for backwards compatibility, the default version of 1.20 is copied to the root of the variant
# with enough docs updates, this could be removed
# see # DEFAULT VERSION HANDLING
K8S_DEFAULT_VERSION=1.20
# K8S_TARGET_VERSIONS=("1.19" "1.20" "1.21" "1.22") TODO @afirth revert for #8000
K8S_TARGET_VERSIONS=("1.20")
DIR=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd -P)
# clean
rm -rf ${DIR}/deploy/static/provider/*
TEMPLATE_DIR="${DIR}/hack/manifest-templates"
# each helm values file `values.yaml` under `hack/manifest-templates/provider` will be generated as provider/<provider>[/variant][/kube-version]/deploy.yaml
# TARGET is provider/<provider>[/variant]
TARGETS=$(dirname $(cd $DIR/hack/manifest-templates/ && find . -type f -name "values.yaml" ) | cut -d'/' -f2-)
for K8S_VERSION in "${K8S_TARGET_VERSIONS[@]}"
do
for TARGET in ${TARGETS}
do
TARGET_DIR="${TEMPLATE_DIR}/${TARGET}"
MANIFEST="${TEMPLATE_DIR}/common/manifest.yaml" # intermediate manifest
OUTPUT_DIR="${DIR}/deploy/static/${TARGET}/${K8S_VERSION}"
echo $OUTPUT_DIR
mkdir -p ${OUTPUT_DIR}
cd ${TARGET_DIR}
helm template ingress-nginx ${DIR}/charts/ingress-nginx \
--values values.yaml \
--namespace ingress-nginx \
--kube-version ${K8S_VERSION} \
> $MANIFEST
kustomize --load-restrictor=LoadRestrictionsNone build . > ${OUTPUT_DIR}/deploy.yaml
rm $MANIFEST
cd ~-
# automatically generate the (unsupported) kustomization.yaml for each target
sed "s_{TARGET}_${TARGET}_" $TEMPLATE_DIR/static-kustomization-template.yaml > ${OUTPUT_DIR}/kustomization.yaml
# DEFAULT VERSION HANDLING
if [[ ${K8S_VERSION} = ${K8S_DEFAULT_VERSION} ]]
then
cp ${OUTPUT_DIR}/*.yaml ${OUTPUT_DIR}/../
sed -i "1s/^/#GENERATED FOR K8S ${K8S_VERSION}\n/" ${OUTPUT_DIR}/../deploy.yaml
rm -rf ${OUTPUT_DIR} # TODO @afirth remove for #8000 - this avoids the duplicate files for easier review of the build script changes
fi
done
done