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build multi-arch images #143

build multi-arch images

build multi-arch images #143

---
# Please see contrib/<reponame>image/README.md for details on the intentions
# of this workflow.
#
# BIG FAT WARNING: This workflow is duplicated across containers/skopeo,
# containers/buildah, and containers/podman. ANY AND
# ALL CHANGES MADE HERE MUST BE MANUALLY DUPLICATED
# TO THE OTHER REPOS.
name: build multi-arch images
on:
# Upstream tends to be very active, with many merges per day.
# Only run this daily via cron schedule, or manually, not by branch push.
schedule:
- cron: '0 8 * * *'
# allows to run this workflow manually from the Actions tab
workflow_dispatch:
jobs:
multi:
name: multi-arch image build
env:
REPONAME: podman # No easy way to parse this out of $GITHUB_REPOSITORY
# Server/namespace value used to format FQIN
REPONAME_QUAY_REGISTRY: quay.io/podman
CONTAINERS_QUAY_REGISTRY: quay.io/containers
# list of architectures for build
PLATFORMS: linux/amd64,linux/s390x,linux/ppc64le,linux/arm64
# Command to execute in container to obtain project version number
VERSION_CMD: "podman --version"
# build several images (upstream, testing, stable) in parallel
strategy:
# By default, failure of one matrix item cancels all others
fail-fast: false
matrix:
# Builds are located under contrib/<reponame>image/<source> directory
source:
- upstream
- testing
- stable
runs-on: ubuntu-latest
# internal registry caches build for inspection before push
services:
registry:
image: quay.io/libpod/registry:2
ports:
- 5000:5000
steps:
- name: Checkout
uses: actions/checkout@v2
- name: Set up QEMU
uses: docker/setup-qemu-action@v1
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1
with:
driver-opts: network=host
install: true
- name: Build and locally push image
uses: docker/build-push-action@v2
with:
context: contrib/${{ env.REPONAME }}image/${{ matrix.source }}
file: ./contrib/${{ env.REPONAME }}image/${{ matrix.source }}/Dockerfile
platforms: ${{ env.PLATFORMS }}
push: true
tags: localhost:5000/${{ env.REPONAME }}/${{ matrix.source }}
# Simple verification that stable images work, and
# also grab version number use in forming the FQIN.
- name: amd64 container sniff test
if: matrix.source == 'stable'
id: sniff_test
run: |
podman pull --tls-verify=false \
localhost:5000/$REPONAME/${{ matrix.source }}
VERSION_OUTPUT=$(podman run \
localhost:5000/$REPONAME/${{ matrix.source }} \
$VERSION_CMD)
echo "$VERSION_OUTPUT"
VERSION=$(awk -r -e "/^${REPONAME} version /"'{print $3}' <<<"$VERSION_OUTPUT")
test -n "$VERSION"
echo "::set-output name=version::$VERSION"
- name: Generate image FQIN(s) to push
id: reponame_reg
run: |
if [[ "${{ matrix.source }}" == 'stable' ]]; then
# The command version in image just built
VERSION='v${{ steps.sniff_test.outputs.version }}'
# workaround vim syntax-highlight bug: '
# Push both new|updated version-tag and latest-tag FQINs
FQIN="$REPONAME_QUAY_REGISTRY/stable:$VERSION,$REPONAME_QUAY_REGISTRY/stable:latest"
elif [[ "${{ matrix.source }}" == 'testing' ]]; then
# Assume some contents changed, always push latest testing.
FQIN="$REPONAME_QUAY_REGISTRY/testing:latest"
elif [[ "${{ matrix.source }}" == 'upstream' ]]; then
# Assume some contents changed, always push latest upstream.
FQIN="$REPONAME_QUAY_REGISTRY/upstream:latest"
else
echo "::error::Unknown matrix item '${{ matrix.source }}'"
exit 1
fi
echo "::warning::Pushing $FQIN"
echo "::set-output name=fqin::${FQIN}"
echo '::set-output name=push::true'
# This is substantially similar to the above logic,
# but only handles $CONTAINERS_QUAY_REGISTRY for
# the stable "latest" and named-version tagged images.
- name: Generate containers reg. image FQIN(s)
if: matrix.source == 'stable'
id: containers_reg
run: |
VERSION='v${{ steps.sniff_test.outputs.version }}'
# workaround vim syntax-highlight bug: '
# Push both new|updated version-tag and latest-tag FQINs
FQIN="$CONTAINERS_QUAY_REGISTRY/$REPONAME:$VERSION,$CONTAINERS_QUAY_REGISTRY/$REPONAME:latest"
echo "::warning::Pushing $FQIN"
echo "::set-output name=fqin::${FQIN}"
echo '::set-output name=push::true'
- name: Define LABELS multi-line env. var. value
run: |
# This is a really hacky/strange workflow idiom, required
# for setting multi-line $LABELS value for consumption in
# a future step. There is literally no cleaner way to do this :<
# https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions#multiline-strings
function set_labels() {
echo 'LABELS<<DELIMITER' >> "$GITHUB_ENV"
for line; do
echo "$line" | tee -a "$GITHUB_ENV"
done
echo "DELIMITER" >> "$GITHUB_ENV"
}
declare -a lines
lines=(\
"org.opencontainers.image.source=https://github.com/${GITHUB_REPOSITORY}.git"
"org.opencontainers.image.revision=${GITHUB_SHA}"
"org.opencontainers.image.created=$(date -u --iso-8601=seconds)"
)
# Only the 'stable' matrix source obtains $VERSION
if [[ "${{ matrix.source }}" == "stable" ]]; then
lines+=(\
"org.opencontainers.image.version=${{ steps.sniff_test.outputs.version }}"
)
fi
set_labels "${lines[@]}"
# Separate steps to login and push for $REPONAME_QUAY_REGISTRY and
# $CONTAINERS_QUAY_REGISTRY are required, because 2 sets of credentials
# are used and namespaced within the registry. At the same time, reuse
# of non-shell steps is not supported by Github Actions nor are YAML
# anchors/aliases, nor composite actions.
# Push to $REPONAME_QUAY_REGISTRY for stable, testing. and upstream
- name: Login to ${{ env.REPONAME_QUAY_REGISTRY }}
uses: docker/login-action@v1
if: steps.reponame_reg.outputs.push == 'true'
with:
registry: ${{ env.REPONAME_QUAY_REGISTRY }}
# N/B: Secrets are not passed to workflows that are triggered
# by a pull request from a fork
username: ${{ secrets.REPONAME_QUAY_USERNAME }}
password: ${{ secrets.REPONAME_QUAY_PASSWORD }}
- name: Push images to ${{ steps.reponame_reg.outputs.fqin }}
uses: docker/build-push-action@v2
if: steps.reponame_reg.outputs.push == 'true'
with:
cache-from: type=registry,ref=localhost:5000/${{ env.REPONAME }}/${{ matrix.source }}
cache-to: type=inline
context: contrib/${{ env.REPONAME }}image/${{ matrix.source }}
file: ./contrib/${{ env.REPONAME }}image/${{ matrix.source }}/Dockerfile
platforms: ${{ env.PLATFORMS }}
push: true
tags: ${{ steps.reponame_reg.outputs.fqin }}
labels: |
${{ env.LABELS }}
# Push to $CONTAINERS_QUAY_REGISTRY only stable
- name: Login to ${{ env.CONTAINERS_QUAY_REGISTRY }}
if: steps.containers_reg.outputs.push == 'true'
uses: docker/login-action@v1
with:
registry: ${{ env.CONTAINERS_QUAY_REGISTRY}}
username: ${{ secrets.CONTAINERS_QUAY_USERNAME }}
password: ${{ secrets.CONTAINERS_QUAY_PASSWORD }}
- name: Push images to ${{ steps.containers_reg.outputs.fqin }}
if: steps.containers_reg.outputs.push == 'true'
uses: docker/build-push-action@v2
with:
cache-from: type=registry,ref=localhost:5000/${{ env.REPONAME }}/${{ matrix.source }}
cache-to: type=inline
context: contrib/${{ env.REPONAME }}image/${{ matrix.source }}
file: ./contrib/${{ env.REPONAME }}image/${{ matrix.source }}/Dockerfile
platforms: ${{ env.PLATFORMS }}
push: true
tags: ${{ steps.containers_reg.outputs.fqin }}
labels: |
${{ env.LABELS }}