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build.yml
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name: build-ublue
on:
pull_request:
branches:
- main
paths-ignore:
- "**.md"
- "**.txt"
schedule:
- cron: "20 22 * * *" # 10:20pm everyday (1 hr delay after 'nvidia' builds)
push:
branches:
- main
paths-ignore:
- "**.md"
- "**.txt"
workflow_dispatch:
env:
IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
jobs:
push-ghcr:
name: Build and push image
runs-on: ubuntu-22.04
permissions:
contents: read
packages: write
id-token: write
strategy:
fail-fast: false
matrix:
recipe:
- recipe.yml
steps:
# Checkout push-to-registry action GitHub repository
- name: Checkout Push to Registry action
uses: actions/checkout@v3
- name: Add yq for reading recipe.yml
uses: mikefarah/[email protected]
- name: Gather image data from recipe
run: |
echo "IMAGE_NAME=$(yq '.name' ./${{ matrix.recipe }})" >> $GITHUB_ENV
echo "IMAGE_DESCRIPTION=$(yq '.description' ./${{ matrix.recipe }})" >> $GITHUB_ENV
echo "FEDORA_MAJOR_VERSION=$(yq '.fedora-version' ./${{ matrix.recipe }})" >> $GITHUB_ENV
echo "BASE_CONTAINER_URL=$(yq '.base-container' ./${{ matrix.recipe }})" >> $GITHUB_ENV
- name: Generate tags
id: generate-tags
shell: bash
run: |
# Generate a timestamp for creating an image version history
TIMESTAMP="$(date +%Y%m%d)"
MAJOR_VERSION="${{ env.FEDORA_MAJOR_VERSION }}"
COMMIT_TAGS=()
BUILD_TAGS=()
# Have tags for tracking builds during pull request
SHA_SHORT="$(git rev-parse --short HEAD)"
COMMIT_TAGS+=("pr-${{ github.event.number }}-${MAJOR_VERSION}")
COMMIT_TAGS+=("${SHA_SHORT}-${MAJOR_VERSION}")
BUILD_TAGS=("${MAJOR_VERSION}" "${MAJOR_VERSION}-${TIMESTAMP}")
BUILD_TAGS+=("${TIMESTAMP}")
BUILD_TAGS+=("latest")
if [[ "${{ github.event_name }}" == "pull_request" ]]; then
echo "Generated the following commit tags: "
for TAG in "${COMMIT_TAGS[@]}"; do
echo "${TAG}"
done
alias_tags=("${COMMIT_TAGS[@]}")
else
alias_tags=("${BUILD_TAGS[@]}")
fi
echo "Generated the following build tags: "
for TAG in "${BUILD_TAGS[@]}"; do
echo "${TAG}"
done
echo "alias_tags=${alias_tags[*]}" >> $GITHUB_OUTPUT
# Build metadata
- name: Image Metadata
uses: docker/metadata-action@v4
id: meta
with:
images: |
${{ env.IMAGE_NAME }}
labels: |
org.opencontainers.image.title=${{ env.IMAGE_NAME }}
org.opencontainers.image.description=${{ env.IMAGE_DESCRIPTION }}
io.artifacthub.package.readme-url=https://raw.githubusercontent.com/ublue-os/startingpoint/main/README.md
io.artifacthub.package.logo-url=https://avatars.githubusercontent.com/u/120078124?s=200&v=4
# Build image using Buildah action
- name: Build Image
id: build_image
uses: redhat-actions/buildah-build@v2
with:
containerfiles: |
./Containerfile
image: ${{ env.IMAGE_NAME }}
tags: |
${{ steps.generate-tags.outputs.alias_tags }}
build-args: |
FEDORA_MAJOR_VERSION=${{ env.FEDORA_MAJOR_VERSION }}
BASE_CONTAINER_URL=${{ env.BASE_CONTAINER_URL }}
RECIPE=${{ matrix.recipe }}
labels: ${{ steps.meta.outputs.labels }}
oci: false
# Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
# https://github.com/macbre/push-to-ghcr/issues/12
- name: Lowercase Registry
id: registry_case
uses: ASzc/change-string-case-action@v5
with:
string: ${{ env.IMAGE_REGISTRY }}
# Push the image to GHCR (Image Registry)
- name: Push To GHCR
uses: redhat-actions/push-to-registry@v2
id: push
env:
REGISTRY_USER: ${{ github.actor }}
REGISTRY_PASSWORD: ${{ github.token }}
with:
image: ${{ steps.build_image.outputs.image }}
tags: ${{ steps.build_image.outputs.tags }}
registry: ${{ steps.registry_case.outputs.lowercase }}
username: ${{ env.REGISTRY_USER }}
password: ${{ env.REGISTRY_PASSWORD }}
extra-args: |
--disable-content-trust
# Sign container
- uses: sigstore/cosign-installer@main
# Only needed when running `cosign sign` using a key
- name: Write signing key to disk
run: |
echo "${{ env.COSIGN_PRIVATE_KEY }}" > cosign.key
# DEBUG: get character count of key
wc -c cosign.key
env:
COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
- name: Login to GitHub Container Registry
uses: docker/login-action@v2
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
# Sign container
- uses: sigstore/[email protected]
if: github.event_name != 'pull_request'
- name: Sign container image
run: |
echo "${{ env.COSIGN_PRIVATE_KEY }}" > cosign.key
wc -c cosign.key
cosign sign -y --key cosign.key ${{ steps.registry_case.outputs.lowercase }}/${{ env.IMAGE_NAME }}@${TAGS}
env:
TAGS: ${{ steps.push.outputs.digest }}
COSIGN_EXPERIMENTAL: false
COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
- name: Echo outputs
run: |
echo "${{ toJSON(steps.push.outputs) }}"