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Merge pull request #80 from colearendt/add-ci
Add CI via GitHub Actions
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willholley committed Jun 17, 2022
2 parents bd9bce1 + 8b0a3e5 commit 1781b0c01ffed9ceb0b23e900331fe15a0b0e9d0
Showing 5 changed files with 246 additions and 0 deletions.
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name: Rebuild index.yaml manually
on:
workflow_dispatch:

jobs:
rebuild:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
ref: 'gh-pages'
fetch-depth: 0

- name: Set up Helm
uses: azure/setup-helm@v1
with:
version: v3.6.3

- name: Rebuild index.yaml
env:
version: v1.4.0
run: |
if [[ ! -d "$RUNNER_TOOL_CACHE" ]]; then
echo "Cache directory '$RUNNER_TOOL_CACHE' does not exist" >&2
exit 1
fi
arch=$(uname -m)
cache_dir="$RUNNER_TOOL_CACHE/ct/$version/$arch"
if [[ ! -d "$cache_dir" ]]; then
mkdir -p "$cache_dir"
echo "Installing chart-releaser..."
curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/$version/chart-releaser_${version#v}_linux_amd64.tar.gz"
tar -xzf cr.tar.gz -C "$cache_dir"
rm -f cr.tar.gz
echo 'Adding cr directory to PATH...'
export PATH="$cache_dir:$PATH"
fi
echo "Rebuilding index.yaml"
scripts/rebuild.sh
- name: Create Pull Request
id: cpr
uses: peter-evans/create-pull-request@v3
with:
commit-message: Rebuild index.yaml
title: Rebuild index.yaml

- name: Check outputs
run: |
echo "Created Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"
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name: Release Charts

on:
push:
branches:
- main

jobs:
release:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
fetch-depth: 0

- name: Configure Git
run: |
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: v3.6.3

- name: Run chart-releaser
uses: helm/chart-releaser-action@v1.4.0
with:
charts_dir: .
charts_repo_url: https://apache.github.io/couchdb-helm
env:
CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
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name: Lint and Test Charts

on:
push:
branches:
- main
pull_request:

jobs:
lint:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
fetch-depth: 0

- name: Set up Helm
uses: azure/setup-helm@v1
with:
version: v3.6.3

- name: Set up chart-testing
uses: helm/chart-testing-action@v2.1.0

- name: Run chart-testing (list-changed)
id: list-changed
run: |
changed=$(ct list-changed --target-branch main --chart-dirs .)
if [[ -n "$changed" ]]; then
echo "::set-output name=changed::true"
fi
- name: Run chart-testing (lint changed)
if: ${{ github.ref != 'refs/heads/main' }}
run: ct lint --target-branch main --chart-dirs .

- name: Run chart-testing (lint all)
if: ${{ github.ref == 'refs/heads/main' }}
run: ct lint --target-branch main --all --chart-dirs .

install:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
with:
fetch-depth: 0

- name: Set up Helm
uses: azure/setup-helm@v1
with:
version: v3.6.3

- name: Set up chart-testing
uses: helm/chart-testing-action@v2.2.1

- name: Run chart-testing (list-changed)
id: list-changed
run: |
changed=$(ct list-changed --target-branch main --chart-dirs .)
if [[ -n "$changed" ]]; then
echo "::set-output name=changed::true"
fi
- name: Create kind cluster
uses: helm/kind-action@v1.2.0
if: ( steps.list-changed.outputs.changed == 'true' ) || ${{ github.ref == 'refs/heads/main' }}

# no allow-failure until https://github.com/actions/toolkit/issues/399
- name: Run chart-testing (install changed)
if: ${{ github.ref != 'refs/heads/main' }}
run: ct install --target-branch main --chart-dirs --upgrade .
continue-on-error: true

# no allow-failure until https://github.com/actions/toolkit/issues/399
- name: Run chart-testing (install all)
if: ${{ github.ref == 'refs/heads/main' }}
run: ct install --target-branch main --all --chart-dirs --upgrade .
continue-on-error: true
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# Rebuilding Index

The Helm `index.yaml` is hosted on the `gh-pages` branch of this repo. If this
index becomes out-of-sync with the releases, you can rebuild it by using a
GitHub Actions Workflow.

## Prerequisites

- To use the `rebuild.sh` script with our workflow, the `rebuild.sh`
script must be checked in to the `gh-pages` branch. If you make any changes
to the script in this directory, make sure you also commit the same changes
to the `gh-pages` branch.
- You must have permission to run GitHub Actions Workflows for this repo.

## Running the Action

- Navigate to the GitHub Actions UI.
- Use the `Run Workflow` button to run the workflow.
- Review the Pull Request created by the workflow.
- When approved, merge the Pull Request into the `gh-pages` branch.
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#!/usr/bin/env bash

# Run this script from the root of the helm repo, e.g.,
# ./scripts/rebuild.sh. You must have curl and cr installed. See
# https://github.com/helm/chart-releaser#installation.

# Set this to a valid URL *without* an index.yaml if you want to regenerate
# a new index.html. If you want to append to an existing one, you can
# use a real address like `https://apache.github.io/couchdb-helm`. If an existing
# index.yaml is found at this URL, then any packages we generate will
# be appended, which can result in duplicates.
HELM_REPO=${HELM_REPO:-https://apache.github.io}

# Create a temporary directory and clean it up when we're done.
TMP_DIR=$(mktemp -d)
function cleanup()
{
echo "Removing temporary directory ${TMP_DIR}."
rm -rf $TMP_DIR
}
trap cleanup EXIT

# Optional variables you can define in your env
PACKAGE_DIR=${PACKAGE_DIR:-${TMP_DIR}}
CHARTS_DIR=${CHARTS_DIR:-charts}
INDEX=${INDEX:-index.yaml}
GITHUB_OWNER=${GITHUB_OWNER:-apache}
GITHUB_REPO=${GITHUB_REPO:-couchdb-helm}

# Calculated variables
DOWNLOADS_BASE="https://github.com/${GITHUB_OWNER}/${GITHUB_REPO}/releases/download"

# List all tags oldest to newest, followed by the 'main' branch.
tags="$(git tag -l --sort=creatordate) main"

# Clean the packages release directory that `cr` uses.
mkdir -p ${PACKAGE_DIR}
rm -rf ${PACKAGE_DIR}/*

# Download existing assets from Github
for tag in $tags; do
dl_url="${DOWNLOADS_BASE}/${tag}/${tag}.tgz"
cd ${PACKAGE_DIR}
curl -LOs --fail ${dl_url}
result=$?
if [[ ${result} -eq 0 ]]; then
echo "Downloaded $dl_url".
else
echo "Could not download $dl_url".
fi
cd -
done

echo "Writing index to ${INDEX}"
rm ${INDEX}
cr index --owner ${GITHUB_OWNER} --git-repo ${GITHUB_REPO} --charts-repo ${HELM_REPO} -p ${PACKAGE_DIR} -i ${INDEX}

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