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Diffstat (limited to 'tasks/chart')
| -rwxr-xr-x | tasks/chart | 111 | +111 −0 |
1 files changed, 111 insertions, 0 deletions
diff --git a/tasks/chart b/tasks/chart new file mode 100755 --- /dev/null +++ b/tasks/chart @@ -0,0 +1,111 @@ +#!/bin/sh -eu +# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-License-Identifier: 0BSD +#MISE description="Lint, package, and optionally publish a Helm chart" +#MISE tools={"helm"="4.1.1"} + +usage() { + cat <<'EOF' +Usage: mise run chart -- --chart DIR [options] + +Options: + --version VERSION Immutable chart version (required for packaging) + --app-version VERSION Application version written to Chart.yaml + --output DIR Package directory (default: dist/charts) + --push OCI_URL Push package to an OCI registry; repeatable + --lint-only Strictly lint without packaging +EOF +} + +chart= +version= +app_version= +output=dist/charts +push_urls= +lint_only=false + +while [ "$#" -gt 0 ]; do + case "$1" in + --chart) + [ "$#" -ge 2 ] || { echo "chart: --chart requires a value" >&2; exit 2; } + chart=$2 + shift 2 + ;; + --version) + [ "$#" -ge 2 ] || { echo "chart: --version requires a value" >&2; exit 2; } + version=$2 + shift 2 + ;; + --app-version) + [ "$#" -ge 2 ] || { echo "chart: --app-version requires a value" >&2; exit 2; } + app_version=$2 + shift 2 + ;; + --output) + [ "$#" -ge 2 ] || { echo "chart: --output requires a value" >&2; exit 2; } + output=$2 + shift 2 + ;; + --push) + [ "$#" -ge 2 ] || { echo "chart: --push requires a value" >&2; exit 2; } + case $2 in + oci://*) ;; + *) echo "chart: registry must use oci://: $2" >&2; exit 2 ;; + esac + push_urls="${push_urls}${push_urls:+ +}$2" + shift 2 + ;; + --lint-only) + lint_only=true + shift + ;; + -h|--help) + usage + exit 0 + ;; + *) + echo "chart: unknown argument: $1" >&2 + usage >&2 + exit 2 + ;; + esac +done + +command -v helm >/dev/null 2>&1 || { echo "chart: helm is not installed" >&2; exit 1; } +[ -n "$chart" ] || { echo "chart: --chart is required" >&2; exit 2; } +[ -d "$chart" ] || { echo "chart: directory not found: $chart" >&2; exit 1; } +[ -f "$chart/Chart.yaml" ] || { echo "chart: Chart.yaml not found in $chart" >&2; exit 1; } + +name=$(sed -n 's/^name:[[:space:]]*\([A-Za-z0-9_.-][A-Za-z0-9_.-]*\)[[:space:]]*$/\1/p' "$chart/Chart.yaml" | head -n 1) +[ -n "$name" ] || { echo "chart: cannot read chart name from $chart/Chart.yaml" >&2; exit 1; } + +helm lint "$chart" --strict + +if [ "$lint_only" = true ]; then + if [ -n "$version" ] || [ -n "$app_version" ] || [ -n "$push_urls" ]; then + echo "chart: --lint-only cannot package or push a chart" >&2 + exit 2 + fi + exit 0 +fi + +[ -n "$version" ] || { echo "chart: --version is required unless --lint-only is used" >&2; exit 2; } +mkdir -p "$output" + +set -- helm package "$chart" --destination "$output" --version "$version" +if [ -n "$app_version" ]; then + set -- "$@" --app-version "$app_version" +fi +"$@" + +package=$output/$name-$version.tgz +[ -f "$package" ] || { echo "chart: Helm did not create expected package: $package" >&2; exit 1; } + +old_ifs=$IFS +IFS=' +' +for registry in $push_urls; do + helm push "$package" "${registry%/}" +done +IFS=$old_ifs |