1#!/bin/bash
2
3# Copyright 2023 The Kubernetes Authors.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17
18set -o errexit
19set -o nounset
20set -o pipefail
21
22# Wrap sed to deal with GNU and BSD sed flags.
23run::sed() {
24 local -r vers="$(sed --version < /dev/null 2>&1 | grep -q GNU && echo gnu || echo bsd)"
25 case "$vers" in
26 gnu) sed -i "$@" ;;
27 *) sed -i '' "$@" ;;
28esac
29}
30
31IMAGES=(
32 "${REGISTRY}/echo-advanced"
33 "${REGISTRY}/echo-basic"
34)
35
36# Export so we can use run::sed in subshells
37# https://stackoverflow.com/questions/4321456/find-exec-a-shell-function-in-linux
38export -f run::sed
39
40for IMAGE in ${IMAGES[@]}; do
41 echo "Fetching latest tags for $IMAGE"
42 TAG_FILE=$(mktemp)
43 go run github.com/google/go-containerregistry/cmd/gcrane@latest ls "$IMAGE" --json \
44 | jq -r '.tags[]' \
45 | grep -v latest \
46 | sort -rV \
47 | head -n1 > "$TAG_FILE"
48
49 export REPO=${IMAGE#"${REGISTRY}"}
50 export IMAGE_TAG=$(cat "$TAG_FILE")
51 export IMAGE
52 echo "Found tag $IMAGE_TAG - updating manifests..."
53 find . -type f -name "*.yaml" -exec bash -c 'run::sed -e "s,image:.*${REPO}.*$,image: ${IMAGE}:${IMAGE_TAG},g" "$0"' {} \;
54done
55
56
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