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koba1tkoba1t
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chore: add a script to auto-bump go runtime version
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‎hack/update-go-version.sh‎

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#!/usr/bin/env bash
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# Copyright 2019 The Kubernetes Authors.
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# SPDX-License-Identifier: Apache-2.0
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set -euo pipefail
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patch="${1:?usage: $0 <go patch version: 1.N.M>}"
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if [[ ! "${patch}" =~ ^1\.[0-9]+\.[0-9]+$ ]]; then
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echo "patch must look like 1.N.M, e.g. 1.25.10" >&2
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exit 2
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fi
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minor="${patch%.*}"
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go_directive="${minor}.0"
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toolchain="go${patch}"
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echo "go directive : ${go_directive}"
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echo "toolchain / Docker : ${patch}"
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replace_golang_image_versions() {
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local file="$1"
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local tmp
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tmp="$(mktemp "${file}.XXXXXX")"
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cp -p "${file}" "${tmp}"
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if ! awk -v patch="${patch}" '{
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gsub(/golang:1\.[0-9]+\.[0-9]+/, "golang:" patch)
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print
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}' "${file}" >"${tmp}"; then
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rm -f "${tmp}"
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return 1
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fi
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mv "${tmp}" "${file}"
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}
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# 1. Keep all go.mod files and go.mod templates at the downstream-visible minimum version.
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find . \
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\( -name go.mod -o -name go.mod.src \) \
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-not -path './.git/*' \
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-not -path './vendor/*' \
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-print0 |
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while IFS= read -r -d '' modfile; do
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go mod edit -go="${go_directive}" "${modfile}"
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go mod edit -fmt "${modfile}"
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done
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# 2. Keep go.work at the minimum version, plus the actual toolchain version.
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if [[ -f go.work ]]; then
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go work edit -go="${go_directive}" -toolchain="${toolchain}" go.work
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go work edit -fmt go.work
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fi
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# 3. Update golang:1.x.y references in Dockerfiles, docs, workflows, and generated source.
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git --no-pager grep -zlE 'golang:1\.[0-9]+\.[0-9]+' -- \
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'*Dockerfile' \
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'*.Dockerfile' \
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'*.go' \
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'*.md' \
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'*.yaml' \
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'*.yml' |
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while IFS= read -r -d '' file; do
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replace_golang_image_versions "${file}"
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done
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echo
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echo "Go version references after update:"
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git --no-pager grep -nE \
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'(^go 1\.[0-9]+(\.[0-9]+)?$|toolchain go1\.[0-9]+\.[0-9]+|golang:1\.[0-9]+\.[0-9]+|go-version:)' \
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-- ':!:vendor/**' ':!:hack/update-go-version.sh' || true

‎hack/update-test-infra-go-version.sh‎

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#!/usr/bin/env bash
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# Copyright 2026 The Kubernetes Authors.
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# SPDX-License-Identifier: Apache-2.0
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set -euo pipefail
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usage() {
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cat <<EOF
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usage: $0 <go patch version: 1.N.M> [options]
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Options:
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--checkout-dir DIR test-infra checkout path (default: ../test-infra)
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--branch BRANCH branch name to create (default: kustomize-update-golang-1-N-M)
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EOF
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}
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patch=""
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checkout_dir="${TEST_INFRA_CHECKOUT_DIR:-../test-infra}"
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branch=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--checkout-dir)
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checkout_dir="${2:?--checkout-dir requires a value}"
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shift 2
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;;
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--branch)
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branch="${2:?--branch requires a value}"
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shift 2
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;;
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-h|--help)
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usage
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exit 0
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;;
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-*)
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echo "unknown option: $1" >&2
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usage >&2
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exit 2
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;;
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*)
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if [[ -n "${patch}" ]]; then
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echo "unexpected argument: $1" >&2
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usage >&2
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exit 2
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fi
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patch="$1"
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shift
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;;
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esac
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done
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if [[ -z "${patch}" ]]; then
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usage >&2
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exit 2
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fi
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if [[ ! "${patch}" =~ ^1\.[0-9]+\.[0-9]+$ ]]; then
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echo "patch must look like 1.N.M, e.g. 1.25.10" >&2
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exit 2
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fi
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for tool in gh git awk mktemp cp mv; do
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if ! command -v "${tool}" >/dev/null 2>&1; then
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echo "missing required command: ${tool}" >&2
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exit 1
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fi
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done
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repo="kubernetes/test-infra"
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target_file="config/jobs/kubernetes-sigs/kustomize/kustomize-presubmit-master.yaml"
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image="public.ecr.aws/docker/library/golang:${patch}"
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branch="${branch:-kustomize-update-golang-${patch//./-}}"
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commit_message="Update go version for ${patch} in kustomize"
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pr_body="Update golang version in prow that is used in tests for https://github.com/kubernetes-sigs/kustomize"
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replace_presubmit_image() {
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local file="$1"
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local tmp
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tmp="$(mktemp "${file}.XXXXXX")"
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cp -p "${file}" "${tmp}"
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if ! awk -v image="${image}" '
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/image: public\.ecr\.aws\/docker\/library\/golang:1\.[0-9]+\.[0-9]+([-[:alnum:].]+)?$/ {
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sub(/image: public\.ecr\.aws\/docker\/library\/golang:1\.[0-9]+\.[0-9]+([-[:alnum:].]+)?$/, "image: " image)
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}
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{ print }
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' "${file}" >"${tmp}"; then
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rm -f "${tmp}"
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return 1
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fi
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mv "${tmp}" "${file}"
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}
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if [[ ! -d "${checkout_dir}/.git" ]]; then
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mkdir -p "$(dirname "${checkout_dir}")"
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gh repo clone "${repo}" "${checkout_dir}" -- --depth=1 --branch master
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fi
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cd "${checkout_dir}"
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checkout_dir="$(pwd -P)"
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if [[ -n "$(git status --porcelain)" ]]; then
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echo "${checkout_dir} has uncommitted changes; please commit or stash them first." >&2
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exit 1
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fi
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git fetch --depth=1 origin master
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git switch -C "${branch}" origin/master
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if [[ ! -f "${target_file}" ]]; then
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echo "missing expected file: ${target_file}" >&2
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exit 1
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fi
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replace_presubmit_image "${target_file}"
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if git diff --quiet -- "${target_file}"; then
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echo "${target_file} already uses ${image}"
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exit 0
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fi
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git diff --check -- "${target_file}"
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git diff -- "${target_file}"
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github_user="$(gh api user --jq .login 2>/dev/null || echo '<your-github-user>')"
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fork_repo="${github_user}/test-infra"
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fork_remote="kustomize-go-bump"
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echo
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echo "Updated ${target_file} to ${image}"
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echo
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echo "Next steps:"
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echo " cd ${checkout_dir}"
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echo " gh repo fork ${repo} --clone=false --remote=false"
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echo " git remote remove ${fork_remote} >/dev/null 2>&1 || true"
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echo " git remote add ${fork_remote} https://github.com/${fork_repo}.git"
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echo " git commit -am '${commit_message}'"
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echo " git push -u ${fork_remote} ${branch}"
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echo " gh pr create --repo ${repo} --base master --head ${github_user}:${branch} --title '${commit_message}' --body '${pr_body}'"

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