102 lines
2.7 KiB
Bash
Executable File
102 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2019 Google LLC
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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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# This script compiles manifest files with the image tags and places them in
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# /release/...
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set -euo pipefail
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SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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[[ -n "${DEBUG:-}" ]] && set -x
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log() { echo "$1" >&2; }
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TAG="${TAG:?TAG env variable must be specified}"
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REPO_PREFIX="${REPO_PREFIX:?REPO_PREFIX env variable must be specified}"
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OUT_DIR="${OUT_DIR:-${SCRIPTDIR}/../release}"
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print_license_header() {
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cat "${SCRIPTDIR}/license_header.txt"
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echo
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}
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print_autogenerated_warning() {
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cat<<EOF
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# ----------------------------------------------------------
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# WARNING: This file is autogenerated. Do not manually edit.
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# ----------------------------------------------------------
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EOF
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}
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# define gsed as a function on Linux for compatibility
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[ "$(uname -s)" == "Linux" ] && gsed() {
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sed "$@"
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}
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read_manifests() {
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local dir
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dir="$1"
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while IFS= read -d $'\0' -r file; do
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# strip license headers (pattern "^# ")
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awk '
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/^[^# ]/ { found = 1 }
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found { print }' "${file}"
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echo "---"
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done < <(find "${dir}" -name '*.yaml' -type f -print0)
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}
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mk_kubernetes_manifests() {
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out_manifest="$(read_manifests "${SCRIPTDIR}/../kubernetes-manifests")"
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# replace "image" repo, tag for each service
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for dir in ./src/*/
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do
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svcname="$(basename "${dir}")"
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image="$REPO_PREFIX/$svcname:$TAG"
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pattern="^(\s*)image:\s.*$svcname(.*)(\s*)"
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replace="\1image: $image\3"
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out_manifest="$(gsed -r "s|$pattern|$replace|g" <(echo "${out_manifest}") )"
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done
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print_license_header
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print_autogenerated_warning
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echo "${out_manifest}"
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}
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mk_istio_manifests() {
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print_license_header
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print_autogenerated_warning
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read_manifests "${SCRIPTDIR}/../istio-manifests"
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}
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main() {
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mkdir -p "${OUT_DIR}"
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local k8s_manifests_file istio_manifests_file
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k8s_manifests_file="${OUT_DIR}/kubernetes-manifests.yaml"
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mk_kubernetes_manifests > "${k8s_manifests_file}"
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log "Written ${k8s_manifests_file}"
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istio_manifests_file="${OUT_DIR}/istio-manifests.yaml"
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mk_istio_manifests > "${istio_manifests_file}"
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log "Written ${istio_manifests_file}"
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}
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main
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