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helm-workflow.yaml
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name: Helm
on:
push:
branches:
- master
pull_request:
branches:
- master
env:
HELM_VERSION: 3.12.1
PYTHON_VERSION: 3.9
TARGET_BRANCH: chart-testing-target-branch
TARGET_REMOTE: test
jobs:
helm-jobs:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
with:
fetch-depth: 0
- name: Set up Helm
uses: azure/setup-helm@v3
with:
version: "v${{ env.HELM_VERSION }}"
- uses: actions/setup-python@v4
with:
python-version: ${{ env.PYTHON_VERSION }}
check-latest: true
# ---------------------------------------------------------------
# -- Instead of comparing to the master branch, I'm getting
# -- the commit hash set in the previous step from a
# -- currently released chart. If it doesn't exists, then
# -- I assume that chart is not released and compare to the
# -- previous commit
# --
# -- Also, I'm setting the RepoURL here. Since we plan to support
# -- the official chart in this git repository, the helm
# -- repository is expected to belong to this repo as well.
# ---------------------------------------------------------------
- name: Retrieve the latest commit sha from the helm chart
run: |
HELM_REPO_URL="https://${GITHUB_REPOSITORY_OWNER}.github.io/${GITHUB_REPOSITORY#*/}"
if helm repo add sql-exporter $HELM_REPO_URL
then
helm repo update
echo "TARGET_COMMIT=$(helm show chart sql-exporter/sql-exporter | yq '.annotations.git/commit-sha')" >> "${GITHUB_ENV}"
else
echo "TARGET_COMMIT=$(git show HEAD^1 --pretty=format:%H --no-patch)" >> "${GITHUB_ENV}"
fi
# ---------------------------------------------------------------
# -- As I could find CT doesn't support testing against commits
# -- directly, so I'm creating a new fake remote from a commit
# -- and testing the chart against it. This workaround doesn't
# -- support maintainers validation, but we have it disabled
# -- anyway
# ---------------------------------------------------------------
- name: Prepare a dummy remote to test the chart
run: |
DUMMY_REMOTE=$(mktemp -d)
git init "${DUMMY_REMOTE}"
git remote add "${TARGET_REMOTE}" "${DUMMY_REMOTE}"
git checkout -b "${TARGET_BRANCH}" "${TARGET_COMMIT}"
git push --set-upstream "${TARGET_REMOTE}" "${TARGET_BRANCH}"
git checkout "${GITHUB_SHA}"
- name: Set up chart-testing
uses: helm/[email protected]
- name: Run chart-testing (list-changed)
id: list-changed
run: |
changed=$(ct list-changed --chart-dirs . --target-branch "${TARGET_BRANCH}" --remote "${TARGET_REMOTE}")
if [[ -n "$changed" ]]; then
echo "changed=true" >> "$GITHUB_OUTPUT"
fi
- name: Run chart-testing (lint)
if: steps.list-changed.outputs.changed == 'true'
run: ct lint --target-branch "${TARGET_BRANCH}" --remote "${TARGET_REMOTE}" --validate-maintainers=false --chart-dirs .
- name: Setup helmfile
if: steps.list-changed.outputs.changed == 'true'
uses: mamezou-tech/[email protected]
- name: Create kind cluster
if: steps.list-changed.outputs.changed == 'true'
uses: helm/[email protected]
- name: Init postgres server
if: steps.list-changed.outputs.changed == 'true'
run: |
helmfile -f helm/ci/helmfile.yaml sync
- name: Run chart-testing (install)
if: steps.list-changed.outputs.changed == 'true'
run: ct install --target-branch "${TARGET_BRANCH}" --remote "${TARGET_REMOTE}" --chart-dirs .
- name: Run chart-testing (upgrade)
if: steps.list-changed.outputs.changed == 'true'
run: ct install --target-branch "${TARGET_BRANCH}" --remote "${TARGET_REMOTE}" --chart-dirs . --upgrade
- name: Configure Git
run: |
git config user.name "$GITHUB_ACTOR"
git config user.email "[email protected]"
# ---------------------------------------------------------------
# -- On each run we're setting an annotation with the current
# -- commit hash, so in case it's released, we will see it
# -- running `$ helm show sql-exporter/sql-exporter`
# ---------------------------------------------------------------
- name: Set the git sha annotations in the helm chart
run: yq -i ".annotations.git/commit-sha = \"${GITHUB_SHA}\"" ./helm/Chart.yaml
- name: Release charts
if: ${{ github.event.repository.default_branch && github.event_name == 'push' }}
uses: helm/chart-releaser-action@main
with:
charts_dir: .
mark_as_latest: false
packages_with_index: true
env:
CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"