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build-ucore-custom #294

build-ucore-custom

build-ucore-custom #294

Workflow file for this run

name: build-ucore-custom
on:
schedule:
- cron: 0 4 * * 6 # Once a week on Saturday morning
workflow_dispatch:
env:
IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
jobs:
generate-matrix:
runs-on: ubuntu-latest
outputs:
matrix: ${{ steps.discover-containerfiles.outputs.matrix }}
steps:
- name: Checkout
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
- name: Discover Containerfiles
id: discover-containerfiles
run: |
containerfiles=$(ls Containerfile.* | sed 's/Containerfile.//')
matrix="{\"include\":["
first=true
for file in $containerfiles; do
if [ "$first" = true ]; then
first=false
else
matrix+=","
fi
full_image=$(grep '^FROM ' Containerfile.$file | awk '{print $2}')
from_image=$(echo $full_image | awk -F/ '{print $NF}' | awk -F: '{print $1}')
from_image_tag=$(echo $full_image | awk -F: '{print $2}' | awk -F@ '{print $1}')
matrix+="{\"name\":\"$file\", \"from_image\":\"$from_image\", \"from_image_tag\":\"$from_image_tag\", \"full_image\":\"$full_image\"}"
done
matrix+="]}"
echo "Matrix: $matrix"
echo "matrix=$matrix" >> $GITHUB_OUTPUT
push-ghcr:
name: custom image
needs: generate-matrix
runs-on: ubuntu-latest
# trunk-ignore(checkov/CKV2_GHA_1)
permissions:
contents: read
packages: write
id-token: write
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
steps:
- name: Checkout
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
- name: Maximize disk space
uses: ublue-os/remove-unwanted-software@517622d6452028f266b7ba4cc9a123b5f58a6b53 # v7
- name: Matrix Variables
shell: bash
run: |
export CONTAINERFILE=Containerfile.${{ matrix.name }}
export FROM_IMAGE=${{ matrix.from_image }}
export FROM_IMAGE_TAG=${{ matrix.from_image_tag }}
export FULL_IMAGE=${{ matrix.full_image }}
echo "CONTAINERFILE=$CONTAINERFILE" >> $GITHUB_ENV
echo "FROM_IMAGE=$FROM_IMAGE" >> $GITHUB_ENV
echo "FROM_IMAGE_TAG=$FROM_IMAGE_TAG" >> $GITHUB_ENV
echo "FULL_IMAGE=$FULL_IMAGE" >> $GITHUB_ENV
- name: Verify base image
uses: EyeCantCU/cosign-action/verify@58722a084c82190b57863002d494c91eabbe9e79 # v0.3.0
with:
containers: ${{ env.FROM_IMAGE }}:${{ env.FROM_IMAGE_TAG }}
- name: Generate tags
id: generate-tags
shell: bash
run: |
# Generate a timestamp for creating an image version history
TIMESTAMP="$(date +%Y%m%d)"
VARIANT="${{ matrix.name }}"
COMMIT_TAGS=()
BUILD_TAGS=()
# Have tags for tracking builds during pull request
SHA_SHORT="${GITHUB_SHA::7}"
COMMIT_TAGS+=("pr-${{ github.event.number }}-${VARIANT}")
COMMIT_TAGS+=("${SHA_SHORT}-${VARIANT}")
BUILD_TAGS=("${VARIANT}")
# Append matching timestamp tags to keep a version history
for TAG in "${BUILD_TAGS[@]}"; do
BUILD_TAGS+=("${TAG}-${TIMESTAMP}")
done
if [[ "${{ 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[*]}" >> $GITHUB_OUTPUT
- name: Get current version
id: labels
run: |
ver=$(skopeo inspect docker://${{ env.FULL_IMAGE }} | jq -r '.Labels["org.opencontainers.image.version"]')
echo "IMAGE_NAME_VERSION=$ver" >> $GITHUB_ENV
# Build metadata
- name: Image Metadata
uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96 # v5
id: meta
with:
images: |
${{ env.FROM_IMAGE }}
labels: |
org.opencontainers.image.title=${{ env.FROM_IMAGE }}
org.opencontainers.image.version=${{ env.IMAGE_NAME_VERSION }}
org.opencontainers.image.description=Custom ${{ env.FROM_IMAGE }}
io.artifacthub.package.readme-url=https://raw.githubusercontent.com/auricom/ucore-custom/main/README.md
# Build image using Buildah action
- name: Build Image
id: build_image
uses: redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2
with:
build-args: HOST=${{ matrix.name }}
containerfiles: |
./${{ env.CONTAINERFILE }}
# Postfix image name with -custom to make it a little more descriptive
# Syntax: https://docs.github.com/en/actions/learn-github-actions/expressions#format
image: ${{ env.FROM_IMAGE }}
tags: |
${{ steps.generate-tags.outputs.alias_tags }}
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@d0603cd0a7dd490be678164909f65c7737470a7f # v6
with:
string: ${{ env.IMAGE_REGISTRY }}
# Push the image to GHCR (Image Registry)
- name: Push To GHCR
uses: redhat-actions/push-to-registry@5ed88d269cf581ea9ef6dd6806d01562096bee9c # 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 }}
- name: Login to GitHub Container Registry
uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
# Sign container
- uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
if: github.event_name != 'pull_request'
- name: Sign container image with keypair
if: github.event_name != 'pull_request'
run: |
cosign sign -y --key env://COSIGN_PRIVATE_KEY ${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}@${TAGS}
env:
TAGS: ${{ steps.push.outputs.digest }}
COSIGN_EXPERIMENTAL: false
COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
- name: Verify keypair signature
if: github.event_name != 'pull_request'
run: |
cosign verify \
--key cosign.pub \
${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}:${{ matrix.tag_name }}
- name: Sign container image with OIDC
if: github.event_name != 'pull_request'
run: cosign sign -y ${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}:${{ matrix.tag_name }}
- name: Verify OIDC signature
if: github.event_name != 'pull_request'
run: |
cosign verify \
--certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
--certificate-identity-regexp "${{ github.server_url }}/${{ github.repository }}" \
${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}:${{ matrix.tag_name }}
- name: Echo outputs
if: github.event_name != 'pull_request'
run: |
echo "${{ toJSON(steps.push.outputs) }}"