Release Helm Charts #7
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name: Release Helm Charts | |
on: | |
workflow_dispatch: | |
inputs: | |
version: | |
description: "Release version (eg: 2.1.1)" | |
required: true | |
type: string | |
charts_dir: | |
description: "Charts directory" | |
required: true | |
default: 'helm' | |
type: string | |
env: | |
PACKAGE_DIR: dist | |
# Only allow one instance of this workflow to run at a time | |
concurrency: | |
group: "pages" | |
cancel-in-progress: true | |
jobs: | |
verify: | |
runs-on: ubuntu-latest | |
steps: | |
- name: Checkout | |
uses: actions/checkout@v4 | |
- name: Make sure charts directory exists and contains Helm charts | |
env: | |
CHARTS_DIR: ${{ inputs.charts_dir }} | |
run: find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" | |
- name: Verify release version is a valid SemVer version string | |
env: | |
VERSION: ${{ inputs.version }} | |
# regex is from the semver.org list of suggested regex strings https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string | |
run: echo $VERSION | grep -qP '^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$' | |
- name: Ensure a git tag for this version does not already exist | |
env: | |
VERSION: v${{ inputs.version }} | |
run: | | |
if [ $(git tag -l "$VERSION") ]; then | |
echo "Git tag matching release version '$VERSION' already exists" | |
false | |
else | |
true | |
fi | |
- name: Ensure a Github release for this version does not already exist | |
env: | |
VERSION: v${{ inputs.version }} | |
GH_TOKEN: ${{ github.token }} | |
run: | | |
export API_RESULT=$(gh api --silent \ | |
-H "Accept: application/vnd.github+json" \ | |
-H "X-Github-Api-Version: 2022-11-28" \ | |
/repos/${{ github.repository }}/releases/tags/${VERSION} 2>&1) | |
if [[ "$API_RESULT" == *"Not Found"* ]]; then | |
true | |
else | |
echo "Release for version '$VERSION' already exists on Github" | |
false | |
fi | |
release: | |
needs: verify | |
# Provision a Github token with repository and pages write permissions | |
permissions: | |
contents: write | |
pages: write | |
id-token: write | |
# Use the github-pages environment. The actions/deploy-pages workflow fails with a | |
# "Invalid environment node id" error if an environment is not specified. | |
# https://github.com/actions/deploy-pages/issues/271 | |
environment: | |
name: github-pages | |
runs-on: ubuntu-latest | |
steps: | |
- name: Checkout | |
uses: actions/checkout@v4 | |
- name: Configure git | |
run: | | |
git config user.name "$GITHUB_ACTOR" | |
git config user.email "[email protected]" | |
- name: Create a git tag for the release | |
uses: EndBug/add-and-commit@v9 | |
with: | |
message: "Nemesis v${{ inputs.version }}" | |
push: true | |
tag: "v${{ inputs.version }}" | |
- name: Install Helm | |
env: | |
GITHUB_TOKEN: ${{ github.token }} | |
uses: azure/setup-helm@v3 | |
- name: Add chart dependency repositories | |
env: | |
CHARTS_DIR: ${{ inputs.charts_dir }} | |
run: | | |
charts=($(find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" -printf '%h\n')) | |
for chart in "${charts[@]}"; do | |
repos=($(helm dependency list $chart | head -n '-1' | tail -n '+2' | cut -f3)) | |
for repo in "${repos[@]}"; do | |
name=$(echo $repo | grep -o '[^/]*$') | |
helm repo add $name $repo | |
done | |
done | |
- name: Package Helm charts | |
env: | |
PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
CHARTS_DIR: ${{ inputs.charts_dir }} | |
run: | | |
mkdir -p $PACKAGE_DIR | |
find $CHARTS_DIR -maxdepth 2 -mindepth 2 -type f -name "Chart.yaml" -printf '%h\n' | xargs -I % bash -c "helm package -d $PACKAGE_DIR %" | |
- name: Pull in previous index.yaml file if it exists | |
env: | |
PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
GH_TOKEN: ${{ github.token }} | |
run: | | |
PAGES_URL=$(gh api \ | |
-H "Accept: application/vnd.github+json" \ | |
-H "X-GitHub-Api-Version: 2022-11-28" \ | |
/repos/${{ github.repository }}/pages \ | |
| jq -r '.html_url') | |
if [[ "$PAGES_URL" != "null" ]]; then | |
HTTP_STATUS=$(curl -sL -w '%{http_code}' "${PAGES_URL%/}/index.yaml" -o ${PACKAGE_DIR}/index.yaml) | |
if [[ "$HTTP_STATUS" != "200" ]]; then | |
rm ${PACKAGE_DIR}/index.yaml | |
fi | |
fi | |
- name: Update Helm repository index.yaml file | |
env: | |
PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
CHART_BASE_URL: ${{ github.server_url }}/${{ github.repository }}/releases/download/v${{ inputs.version }} | |
run: | | |
if [ -f ${PACKAGE_DIR}/index.yaml ]; then | |
helm repo index $PACKAGE_DIR --merge ${PACKAGE_DIR}/index.yaml --url $CHART_BASE_URL | |
else | |
helm repo index $PACKAGE_DIR --url $CHART_BASE_URL | |
fi | |
- name: Create Github release with the Helm charts | |
env: | |
PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
VERSION: v${{ inputs.version }} | |
GH_TOKEN: ${{ github.token }} | |
run: gh release create ${VERSION} -R ${{ github.repository }} -t "Nemesis $VERSION" -n "Nemesis $VERSION release" $PACKAGE_DIR/*.tgz | |
- name: Remove packaged Helm charts | |
env: | |
PACKAGE_DIR: ${{ env.PACKAGE_DIR }} | |
run: rm -f ${PACKAGE_DIR}/*.tgz | |
- name: Setup Github pages | |
uses: actions/configure-pages@v4 | |
- name: Create Github pages artifact | |
uses: actions/upload-pages-artifact@v3 | |
with: | |
path: ${{ env.PACKAGE_DIR }} | |
- name: Deploy Helm chart repository to Github pages | |
uses: actions/deploy-pages@v4 | |
- name: Remove Github release and tag on failure | |
continue-on-error: true | |
if: ${{ failure() }} | |
env: | |
VERSION: v${{ inputs.version }} | |
GH_TOKEN: ${{ github.token }} | |
run: gh release delete -R ${{ github.repository }} $VERSION -y --cleanup-tag |