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update-helm-repo.yaml
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name: Release a chart
on:
workflow_call:
inputs:
charts_dir:
description: path to the helm charts
default: charts
required: false
type: string
cr_configfile:
description: location of the chart releaser (cr) config file
default: cr.yaml
required: false
type: string
ct_configfile:
description: location of the chart tester (ct) config file
default: ct.yaml
required: false
type: string
helm_tag_prefix:
description: prefix to use when publishing helm tags
default: ""
required: false
type: string
secrets:
github_app_id:
description: Github App ID to authenticate with
required: false
github_app_pem:
description: GitHub APP pem to authenticate with
required: false
helm_repo_token:
description: GitHub api token to use against the helm-charts repository
required: false
env:
CR_CONFIGFILE: "${{ github.workspace }}/source/${{ inputs.cr_configfile }}"
CT_CONFIGFILE: "${{ github.workspace }}/source/${{ inputs.ct_configfile }}"
CR_INDEX_PATH: "${{ github.workspace }}/.cr-index"
CR_PACKAGE_PATH: "${{ github.workspace }}/.cr-release-packages"
CR_TOOL_PATH: "${{ github.workspace }}/.cr-tool"
HELM_TAG_PREFIX: "${{ inputs.helm_tag_prefix }}"
jobs:
setup:
runs-on: ubuntu-latest
outputs:
changed: ${{ steps.list-changed.outputs.changed }}
chartpath: ${{ steps.list-changed.outputs.chartpath }}
steps:
- name: Checkout
uses: actions/checkout@v2
with:
fetch-depth: 0
path: source
- name: Set up chart-testing
uses: helm/chart-testing-action@v2.1.0
- name: List changed charts
id: list-changed
run: |
cd source
latest_tag=$( if ! git describe --tags --abbrev=0 2> /dev/null ; then git rev-list --max-parents=0 --first-parent HEAD ; fi )
echo "Running: ct list-changed --config ${CT_CONFIGFILE} --since ${latest_tag} --target-branch ${{ github.ref_name }}"
changed=$(ct list-changed --config "${CT_CONFIGFILE}" --since "${latest_tag}" --target-branch "${{ github.ref_name }}")
echo "${changed}"
num_changed=$(wc -l <<< ${changed})
if [[ "${num_changed}" -gt "1" ]] ; then
echo "More than one chart changed, exiting"
exit 1
fi
if [[ -n "${changed}" ]]; then
name=$(yq ".name" < ${changed}/Chart.yaml)
version=$(yq ".version" < ${changed}/Chart.yaml)
if [ $(git tag -l "${name}-${version}") ]; then
echo "Tag ${tagname} already exists, skipping release"
echo "changed=false" >> $GITHUB_OUTPUT
else
echo "Releasing ${changed}"
echo "changed=true" >> $GITHUB_OUTPUT
echo "chartpath=${changed}" >> $GITHUB_OUTPUT
fi
else
echo "No charts have changed, skipping release"
echo "changed=false" >> $GITHUB_OUTPUT
fi
release:
needs: [ setup ]
runs-on: ubuntu-latest
env:
github_app_id: ${{ secrets.github_app_id }}
if: needs.setup.outputs.changed == 'true'
steps:
- name: Create a GitHub App installation access token
if: env.github_app_id != ''
uses: tibdex/github-app-token@v2
id: app-token
with:
app_id: ${{ secrets.github_app_id }}
private_key: ${{ secrets.github_app_pem }}
- name: Set the correct token (Github App or PAT)
run: |
if [[ "${{ env.github_app_id }}" == '' ]]; then
echo "AUTHTOKEN=${{ secrets.helm_repo_token }}" >> $GITHUB_ENV
else
echo "AUTHTOKEN=${{ steps.app-token.outputs.token }}" >> $GITHUB_ENV
fi
- name: Checkout
uses: actions/checkout@v2
with:
fetch-depth: 0
path: source
- name: Configure Git
run: |
cd source
git config user.name "$GITHUB_ACTOR"
git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
- name: Checkout helm-charts
# The cr tool only works if the target repository is already checked out
uses: actions/checkout@v2
with:
fetch-depth: 0
repository: grafana/helm-charts
path: helm-charts
token: ${{ env.AUTHTOKEN }}
- name: Configure Git for helm-charts
run: |
cd helm-charts
git config user.name "$GITHUB_ACTOR"
git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
- name: Install Helm
uses: azure/setup-helm@v1
with:
version: v3.5.2
- name: Parse Chart.yaml
id: parse-chart
run: |
cd source
changed="${{ needs.setup.outputs.chartpath }}"
description=$(yq ".description" < ${changed}/Chart.yaml)
name=$(yq ".name" < ${changed}/Chart.yaml)
version=$(yq ".version" < ${changed}/Chart.yaml)
echo "chartpath=${changed}" >> $GITHUB_OUTPUT
echo "desc=${description}" >> $GITHUB_OUTPUT
if [[ -n "${HELM_TAG_PREFIX}" ]]; then
echo "tagname=${HELM_TAG_PREFIX}-${name}-${version}" >> $GITHUB_OUTPUT
else
echo "tagname=${name}-${version}" >> $GITHUB_OUTPUT
fi
echo "packagename=${name}-${version}" >> $GITHUB_OUTPUT
- name: Add dependency chart repos
run: |
cd source
# Skip the header line and make sure that tabs are expanded into spaces
deps=$(helm dependency list "${{ steps.parse-chart.outputs.chartpath }}" | tail +2 | expand)
while read -r row; do
IFS=' ' read -ra parts <<< "$row"
name="${parts[0]}"
repo="${parts[2]}"
case "$repo" in
"https://"*) helm repo add "$name" "$repo" ;;
*) echo >&2 "Skipping dependency $name: unsupported schema for \"$repo\"" ;;
esac
done <<< "$deps"
- name: Install CR tool
run: |
mkdir "${CR_TOOL_PATH}"
mkdir "${CR_PACKAGE_PATH}"
mkdir "${CR_INDEX_PATH}"
curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/v1.4.0/chart-releaser_1.4.0_linux_amd64.tar.gz"
tar -xzf cr.tar.gz -C "${CR_TOOL_PATH}"
rm -f cr.tar.gz
- name: Create helm package
run: |
cd source
"${CR_TOOL_PATH}/cr" package "${{ steps.parse-chart.outputs.chartpath }}" --config "${CR_CONFIGFILE}" --package-path "${CR_PACKAGE_PATH}"
echo "Result of chart package:"
ls -l "${CR_PACKAGE_PATH}"
- name: Create tag and check if exists on origin
run: |
cd source
echo "Making tag ${{ steps.parse-chart.outputs.tagname }}"
git tag "${{ steps.parse-chart.outputs.tagname }}"
- name: Make github release
uses: softprops/action-gh-release@v1
with:
body: |
${{ steps.parse-chart.outputs.desc }}
Source commit: https://github.com/${{ github.repository }}/commit/${{ github.sha }}
Tag on source: https://github.com/${{ github.repository }}/releases/tag/${{ steps.parse-chart.outputs.tagname }}
files: |
${{ env.CR_PACKAGE_PATH }}/${{ steps.parse-chart.outputs.packagename }}.tgz
${{ env.CR_PACKAGE_PATH }}/${{ steps.parse-chart.outputs.packagename }}.tgz.prov
repository: grafana/helm-charts
tag_name: ${{ steps.parse-chart.outputs.tagname }}
token: ${{ env.AUTHTOKEN }}
- name: Push release tag on origin
run: |
cd source
echo "Pushing tag ${{ steps.parse-chart.outputs.tagname }}"
git push origin "${{ steps.parse-chart.outputs.tagname }}"
- name: Update helm repo index.yaml
run: |
cd helm-charts
"${CR_TOOL_PATH}/cr" index --config "${CR_CONFIGFILE}" --token "${{ env.AUTHTOKEN }}" --index-path "${CR_INDEX_PATH}" --package-path "${CR_PACKAGE_PATH}" --push