Automate release bumps from the current branch (#831)
* Automate dependent chart release bumps Signed-off-by: Faisal Memon <[email protected]> * Use ruamel for chart dependency parsing Signed-off-by: Faisal Memon <[email protected]> * Simplify dependent chart graph helper Signed-off-by: Faisal Memon <[email protected]> * Add current-branch mode to release automation Signed-off-by: Faisal Memon <[email protected]> * Polish chart dependency helper Signed-off-by: Faisal Memon <[email protected]> --------- Signed-off-by: Faisal Memon <[email protected]>
This commit is contained in:
Faisal Memon
+255
-32
@@ -6,23 +6,27 @@
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##
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## Usage example(s):
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##
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## ./__PROG__ --chart spire --new-version 0.16.0
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## ./__PROG__ --chart spire-crds --new-version 0.3.0
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## ./__PROG__ --chart spire --bump patch
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## ./__PROG__ --chart spire-crds --bump minor
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##
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## Options:
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## --help Show this help message
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## --chart The chart to release
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## --new-version The new version number
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## --bump The semantic version bump type: major, minor, or patch
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## --from-current-branch Apply the release bump on the current branch instead of recreating a bump branch from main
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## --dry-run Will not actually submit the PR
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##
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## Prerequisites:
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## - gsed (MacOS)
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## - git
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## - helm
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## - GitHub CLI (gh)
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## - npm (if readme-generator is not already installed)
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## - yq
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##
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## Commands
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##
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## ./__PROG__ --chart «chart» --current-version «current-version» --new-version «new-version» [--dry-run]
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## ./__PROG__ --chart «chart» --bump «major|minor|patch» [--from-current-branch] [--dry-run]
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me=$(basename "$0")
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function usage {
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@@ -39,10 +43,22 @@ function print_error_and_exit {
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exit 1
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}
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function require_command {
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command -v "$1" >/dev/null 2>&1 || {
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print_error_and_exit "$2"
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}
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}
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function unreleased_changes_other_charts {
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local chart latest_tag changes
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for chart in "$@" ; do
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latest_tag="$(git --no-pager tag --list "${chart}-[0-9]*.[0-9]*.[0-9]*" | sort -V | tail -n 1)"
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changes="$(git --no-pager log "${latest_tag}..HEAD" --pretty=format:'* %h %s' "charts/${chart}")"
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latest_tag="$(latest_chart_tag "${chart}")"
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if [ -n "${latest_tag}" ] ; then
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changes="$(git --no-pager log "${latest_tag}..HEAD" --pretty=format:'* %h %s' -- "charts/${chart}")"
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else
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changes="$(git --no-pager log --pretty=format:'* %h %s' -- "charts/${chart}")"
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fi
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if [ -n "${changes}" ] ; then
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echo "### Unreleased changes ${chart}"
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echo
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@@ -51,12 +67,125 @@ function unreleased_changes_other_charts {
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echo Please ensure you bump above charts as well before merging main into the release branch.
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echo
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echo '```shell'
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echo ./release-chart.sh --chart "${chart}" --new-version ………
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echo ./release-chart.sh --chart "${chart}" --bump patch
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echo '```'
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fi
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done
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}
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function latest_chart_tag {
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local chart_name=$1
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git --no-pager tag --list "${chart_name}-[0-9]*.[0-9]*.[0-9]*" | sort -V | tail -n 1
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}
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function bump_version {
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local current_version=$1
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local bump_type=$2
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local major minor patch
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IFS=. read -r major minor patch <<< "${current_version}"
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if [[ -z "${major}" || -z "${minor}" || -z "${patch}" ]]; then
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print_error_and_exit "invalid semantic version '${current_version}'"
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fi
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case "${bump_type}" in
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major)
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major=$((major + 1))
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minor=0
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patch=0
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;;
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minor)
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minor=$((minor + 1))
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patch=0
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;;
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patch)
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patch=$((patch + 1))
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;;
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*)
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print_error_and_exit "invalid bump type '${bump_type}'"
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;;
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esac
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echo "${major}.${minor}.${patch}"
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}
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function update_dependency_version {
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local chart_yaml=$1
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local dependency_chart=$2
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local dependency_version=$3
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DEPENDENCY_CHART="${dependency_chart}" DEPENDENCY_VERSION="${dependency_version}" \
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yq e 'with(.dependencies[]? | select(.name == strenv(DEPENDENCY_CHART)); .version = strenv(DEPENDENCY_VERSION))' -i "${chart_yaml}"
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}
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function update_chart_version {
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local chart_name=$1
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local dependency_version=$2
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local chart_yaml="charts/${chart_name}/Chart.yaml"
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TARGET_VERSION="${dependency_version}" \
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yq e '.version = strenv(TARGET_VERSION)' -i "${chart_yaml}"
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}
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function ensure_readme_generator {
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local readme_generator_version="2.6.0"
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local readme_generator_exe="readme-generator"
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if ! hash "${readme_generator_exe}" 2>/dev/null; then
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echo >&2 "${readme_generator_exe} not installed. Installing..."
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require_command npm "npm is required to install ${readme_generator_exe}. Please install npm and rerun the script."
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npm install -g "@bitnami/readme-generator-for-helm@${readme_generator_version}"
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fi
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}
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function refresh_chart_docs {
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local chart_dir
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ensure_readme_generator
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for chart_dir in "$@" ; do
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if [ -f "${chart_dir}/values.yaml" ] && [ -f "${chart_dir}/README.md" ] ; then
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echo >&2 "Generating Chart documentation for ${chart_dir}…"
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readme-generator --values="${chart_dir}/values.yaml" --readme="${chart_dir}/README.md"
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fi
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done
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}
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function chart_has_remote_dependencies {
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local chart_yaml=$1
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local remote_count
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remote_count="$(yq e '[.dependencies[]? | select(((.repository // "") | test("^file://")) | not)] | length' "${chart_yaml}")"
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[ "${remote_count}" -gt 0 ]
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}
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function refresh_chart_dependencies {
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local chart_dir
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local refreshed_repos=''
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for chart_dir in "$@" ; do
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if chart_has_remote_dependencies "${chart_dir}/Chart.yaml" && [ -z "${refreshed_repos}" ] ; then
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helm repo update
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refreshed_repos='true'
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fi
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helm dependency update --skip-refresh "${chart_dir}"
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done
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}
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function collect_dependent_charts {
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local root_chart=$1
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python3 scripts/chart-graph.py --chart "${root_chart}" --output names
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}
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function get_chart_version {
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local chart_name=$1
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yq e '.version' "charts/${chart_name}/Chart.yaml"
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}
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while (("$#")); do
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case "$1" in
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--help)
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@@ -67,10 +196,14 @@ while (("$#")); do
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chart=$2
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shift 2
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;;
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--new-version)
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new_version=$2
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--bump)
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bump_type=$2
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shift 2
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;;
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--from-current-branch)
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from_current_branch='true'
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shift 1
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;;
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--dry-run)
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dry_run='-w'
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shift 1
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@@ -82,14 +215,13 @@ while (("$#")); do
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esac
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done
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command -v gh >/dev/null 2>&1 || {
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print_error_and_exit 'the GitHub cli (gh) is required to run this script'
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}
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require_command gh 'the GitHub cli (gh) is required to run this script'
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require_command helm 'helm is required to run this script'
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require_command yq 'yq is required to run this script'
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require_command python3 'python3 is required to run this script'
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if [[ $OSTYPE == "darwin"* ]]; then
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command -v gsed >/dev/null 2>&1 || {
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print_error_and_exit 'gsed is required to run this script'
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}
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require_command gsed 'gsed is required to run this script'
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SED='gsed'
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else
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SED='sed'
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@@ -100,28 +232,105 @@ if [ -z "$chart" ]; then
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print_error_and_exit 'chart option is missing'
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fi
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if [ -z "$new_version" ]; then
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if [ -z "$bump_type" ]; then
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usage
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print_error_and_exit 'new-version option is missing'
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print_error_and_exit 'bump option is missing'
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fi
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if [ ! -f "charts/${chart}/Chart.yaml" ] ; then
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print_error_and_exit "no chart named '${chart}' in charts folder"
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fi
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branch_name="bump-${chart}-version"
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if [ -n "${from_current_branch}" ] ; then
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branch_name="$(git branch --show-current)"
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if [ -z "${branch_name}" ] ; then
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print_error_and_exit 'unable to determine current branch; please checkout a branch before using --from-current-branch'
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fi
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else
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branch_name="bump-${chart}-version"
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git fetch --tags
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git checkout main
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git pull
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git checkout --track -B "${branch_name}" main
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git fetch --tags
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git checkout main
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git pull
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git checkout --track -B "${branch_name}" main
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fi
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current_version="$(grep '^version:' "charts/${chart}/Chart.yaml" | awk '{print $2}')"
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commits_since_previous_release="$(git log "${chart}-${current_version}..HEAD" --pretty=format:'* %h %s' "charts/${chart}")"
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"${SED}" -i "s/version: ${current_version}/version: ${new_version}/" "charts/${chart}/Chart.yaml"
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new_version="$(bump_version "${current_version}" "${bump_type}")"
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release_base_tag="$(latest_chart_tag "${chart}")"
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if [ -n "${release_base_tag}" ] ; then
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commits_since_previous_release="$(git log "${release_base_tag}..HEAD" --pretty=format:'* %h %s' -- "charts/${chart}")"
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else
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commits_since_previous_release="$(git log --pretty=format:'* %h %s' -- "charts/${chart}")"
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fi
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update_chart_version "${chart}" "${new_version}"
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"${SED}" -i "s/${current_version}/${new_version}/g" "charts/${chart}/README.md"
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git add "charts/${chart}/"{Chart.yaml,README.md}
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git commit -m "Bump ${chart} Helm Chart version from ${current_version} to ${new_version}" \
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updated_dependency_charts=()
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updated_chart_versions=()
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release_charts=("${chart}")
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while IFS= read -r dependent_chart ; do
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if [ -z "${dependent_chart}" ] ; then
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continue
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fi
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chart_yaml="charts/${dependent_chart}/Chart.yaml"
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if [ ! -f "${chart_yaml}" ] ; then
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print_error_and_exit "dependent chart '${dependent_chart}' does not have a Chart.yaml at ${chart_yaml}"
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fi
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dependent_current_version="$(grep '^version:' "${chart_yaml}" | awk '{print $2}')"
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dependent_new_version="$(bump_version "${dependent_current_version}" "${bump_type}")"
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update_chart_version "${dependent_chart}" "${dependent_new_version}"
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update_dependency_version "${chart_yaml}" "${chart}" "${new_version}"
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updated_dependency_charts+=("charts/${dependent_chart}")
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updated_chart_versions+=("${dependent_chart}:${dependent_current_version}:${dependent_new_version}")
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release_charts+=("${dependent_chart}")
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done < <(collect_dependent_charts "${chart}")
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unique_dependency_charts=()
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while IFS= read -r chart_dir ; do
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if [ -n "${chart_dir}" ] ; then
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unique_dependency_charts+=("${chart_dir}")
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fi
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done < <(printf '%s\n' "${updated_dependency_charts[@]}" | sort -u)
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unique_release_charts=()
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while IFS= read -r chart_name ; do
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if [ -n "${chart_name}" ] ; then
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unique_release_charts+=("${chart_name}")
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fi
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done < <(printf '%s\n' "${release_charts[@]}" | sort -u)
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for chart_name in "${unique_release_charts[@]}" ; do
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chart_version="$(get_chart_version "${chart_name}")"
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for chart_dir in "${unique_dependency_charts[@]}" ; do
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update_dependency_version "${chart_dir}/Chart.yaml" "${chart_name}" "${chart_version}"
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done
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done
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refresh_chart_dependencies "${unique_dependency_charts[@]}"
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refresh_chart_docs "charts/${chart}" "${unique_dependency_charts[@]}"
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if [ -n "${dry_run}" ] && [ -n "${from_current_branch}" ] ; then
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echo >&2
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echo >&2 "Dry run completed on the current branch (${branch_name})."
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echo >&2 "Inspect the working tree diff before deciding what to keep."
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exit 0
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fi
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git add release-chart.sh "charts/${chart}/"{Chart.yaml,README.md}
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for chart_dir in "${unique_dependency_charts[@]}" ; do
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git add "${chart_dir}/Chart.yaml"
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if [ -f "${chart_dir}/Chart.lock" ] ; then
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git add "${chart_dir}/Chart.lock"
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fi
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if [ -f "${chart_dir}/README.md" ] ; then
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git add "${chart_dir}/README.md"
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fi
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done
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git commit -m "Bump ${chart} and dependent Helm Chart versions (${bump_type})" \
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-m "${commits_since_previous_release}" \
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-s
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git push -u origin --force-with-lease
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@@ -154,6 +363,14 @@ $(unreleased_changes_other_charts "${other_charts[@]}")
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> git push
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> \`\`\`
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## Release set
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- ${chart}: ${current_version} -> ${new_version}
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$(for version_update in "${updated_chart_versions[@]}" ; do
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IFS=: read -r dependent_chart dependent_current_version dependent_new_version <<< "${version_update}"
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echo "- ${dependent_chart}: ${dependent_current_version} -> ${dependent_new_version}"
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done)
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## Changes in this release
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${commits_since_previous_release}
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@@ -161,11 +378,15 @@ EOF
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if [ -n "${dry_run}" ] ; then
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echo >&2
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echo >&2 "If you choose not to submit the PR please run following commands to cleanup the branch:"
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echo >&2
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echo >&2 " git checkout main"
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echo >&2 " git push origin :${branch_name}"
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echo >&2 " git branch -D ${branch_name}"
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if [ -n "${from_current_branch}" ] ; then
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echo >&2 "Dry run completed on the current branch (${branch_name}). Inspect the branch diff before deciding what to keep."
|
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else
|
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echo >&2 "If you choose not to submit the PR please run following commands to cleanup the branch:"
|
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echo >&2
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echo >&2 " git checkout main"
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echo >&2 " git push origin :${branch_name}"
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echo >&2 " git branch -D ${branch_name}"
|
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fi
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echo >&2
|
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echo >&2 'If you choose to submit the PR, please run following:'
|
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echo >&2
|
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@@ -174,4 +395,6 @@ if [ -n "${dry_run}" ] ; then
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fi
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gh pr merge --auto -r -d
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git checkout main
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if [ -z "${from_current_branch}" ] ; then
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git checkout main
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fi
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@@ -0,0 +1,185 @@
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#!/usr/bin/env python3
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from __future__ import annotations
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import argparse
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import sys
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from dataclasses import dataclass
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from pathlib import Path
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from ruamel.yaml import YAML
|
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yaml = YAML(typ="safe")
|
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|
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@dataclass(frozen=True)
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class Dependency:
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name: str
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repository: str
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|
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@dataclass(frozen=True)
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class Chart:
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name: str
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path: Path
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dependencies: tuple[Dependency, ...]
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|
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def parse_args() -> argparse.Namespace:
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"""Parse CLI arguments for the root chart lookup."""
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parser = argparse.ArgumentParser(
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description="Print charts that depend on a given root chart."
|
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)
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parser.add_argument(
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"--chart",
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required=True,
|
||||
help="Chart name whose dependent chart closure should be printed.",
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)
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parser.add_argument(
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"--charts-root",
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default="charts",
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||||
help="Path to the charts root directory (default: charts)",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--output",
|
||||
choices=("names", "print-graph"),
|
||||
default="names",
|
||||
help="Output format (default: names).",
|
||||
)
|
||||
return parser.parse_args()
|
||||
|
||||
|
||||
def main() -> int:
|
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"""Execute the dependent-chart lookup and print the selected output format."""
|
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args = parse_args()
|
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charts_root = Path(args.charts_root).resolve()
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charts = discover_charts(charts_root)
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|
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if args.chart not in charts:
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print(f"Unknown chart: {args.chart}", file=sys.stderr)
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return 1
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|
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reverse_dependencies = build_reverse_dependencies(charts)
|
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dependents = find_dependents(args.chart, reverse_dependencies)
|
||||
|
||||
if args.output == "print-graph":
|
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print(f"Dependents of {args.chart}:")
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if not dependents:
|
||||
print(" (none)")
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else:
|
||||
for dependent in dependents:
|
||||
relpath = charts[dependent].path.relative_to(charts_root.parent)
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||||
print(f" {dependent} [{relpath}]")
|
||||
else:
|
||||
for dependent in dependents:
|
||||
print(dependent)
|
||||
|
||||
return 0
|
||||
|
||||
|
||||
def parse_chart_yaml(chart_yaml: Path) -> Chart:
|
||||
"""Read one Chart.yaml file into the lightweight Chart structure."""
|
||||
with chart_yaml.open() as fp:
|
||||
data = yaml.load(fp)
|
||||
|
||||
if not isinstance(data, dict) or "name" not in data:
|
||||
raise ValueError(f"Could not find chart name in {chart_yaml}")
|
||||
|
||||
dependencies: list[Dependency] = []
|
||||
for dependency in data.get("dependencies", []) or []:
|
||||
if not isinstance(dependency, dict) or "name" not in dependency:
|
||||
continue
|
||||
dependencies.append(
|
||||
Dependency(
|
||||
name=str(dependency["name"]),
|
||||
repository=str(dependency.get("repository", "")),
|
||||
)
|
||||
)
|
||||
|
||||
return Chart(
|
||||
name=str(data["name"]),
|
||||
path=chart_yaml.parent.resolve(),
|
||||
dependencies=tuple(dependencies),
|
||||
)
|
||||
|
||||
|
||||
def discover_charts(charts_root: Path) -> dict[str, Chart]:
|
||||
"""Discover every chart under the charts root and index them by chart name."""
|
||||
charts: dict[str, Chart] = {}
|
||||
for chart_yaml in sorted(charts_root.rglob("Chart.yaml")):
|
||||
chart = parse_chart_yaml(chart_yaml)
|
||||
if chart.name in charts:
|
||||
raise ValueError(f"Duplicate chart name detected: {chart.name}")
|
||||
charts[chart.name] = chart
|
||||
return charts
|
||||
|
||||
|
||||
def resolve_local_dependency(
|
||||
source_chart: Chart, dependency: Dependency, charts: dict[str, Chart]
|
||||
) -> str | None:
|
||||
"""Resolve a file:// dependency reference back to a known local chart name."""
|
||||
if not dependency.repository.startswith("file://"):
|
||||
return None
|
||||
|
||||
dependency_path = (
|
||||
source_chart.path / dependency.repository.removeprefix("file://")
|
||||
).resolve()
|
||||
chart_yaml = dependency_path / "Chart.yaml"
|
||||
if not chart_yaml.exists():
|
||||
return None
|
||||
|
||||
for chart_name, chart in charts.items():
|
||||
if chart.path == dependency_path:
|
||||
return chart_name
|
||||
return None
|
||||
|
||||
|
||||
def build_reverse_dependencies(charts: dict[str, Chart]) -> dict[str, set[str]]:
|
||||
"""Build a reverse dependency index for walking from a chart to its dependents."""
|
||||
reverse_dependencies: dict[str, set[str]] = {
|
||||
chart_name: set() for chart_name in charts
|
||||
}
|
||||
|
||||
for chart_name, chart in charts.items():
|
||||
for dependency in chart.dependencies:
|
||||
dependency_name = resolve_local_dependency(chart, dependency, charts)
|
||||
if dependency_name is not None:
|
||||
reverse_dependencies[dependency_name].add(chart_name)
|
||||
|
||||
return reverse_dependencies
|
||||
|
||||
|
||||
def find_dependents(root_chart: str, reverse_dependencies: dict[str, set[str]]) -> list[str]:
|
||||
"""Traverse the reverse dependency graph and fail fast on reachable cycles."""
|
||||
dependents: list[str] = []
|
||||
visited: set[str] = set()
|
||||
on_stack: set[str] = {root_chart}
|
||||
stack: list[tuple[str, list[str]]] = [
|
||||
(root_chart, sorted(reverse_dependencies[root_chart]))
|
||||
]
|
||||
|
||||
while stack:
|
||||
current, children = stack[-1]
|
||||
if not children:
|
||||
on_stack.remove(current)
|
||||
stack.pop()
|
||||
continue
|
||||
|
||||
child = children.pop(0)
|
||||
if child in on_stack:
|
||||
cycle = " -> ".join([item[0] for item in stack] + [child])
|
||||
raise ValueError(f"Dependency cycle detected: {cycle}")
|
||||
if child in visited:
|
||||
continue
|
||||
|
||||
visited.add(child)
|
||||
dependents.append(child)
|
||||
on_stack.add(child)
|
||||
stack.append((child, sorted(reverse_dependencies[child])))
|
||||
|
||||
return dependents
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
sys.exit(main())
|
||||
Reference in New Issue
Block a user