buildx #157
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name: buildx | |
on: | |
workflow_dispatch: # See https://docs.github.com/en/actions/reference/events-that-trigger-workflows#workflow_dispatch | |
inputs: | |
image_name: | |
description: Name of the image to build | |
required: true | |
image_tag: | |
description: Tag of the image to build | |
required: true | |
default: latest | |
pull_before_build: | |
description: Pull image before running build | |
required: true | |
default: "true" | |
jobs: | |
buildx: | |
name: buildx | |
runs-on: ubuntu-latest | |
env: | |
IMAGE_NAME: badouralix/${{ github.event.inputs.image_name }} # Not exactly the correct wording as per https://stackoverflow.com/questions/31115098/what-is-the-difference-between-an-image-and-a-repository | |
IMAGE_TAG: ${{ github.event.inputs.image_tag }} | |
WORKING_DIRECTORY: ${{ github.event.inputs.image_name }}/${{ github.event.inputs.image_tag }} | |
steps: | |
- name: Checkout | |
uses: actions/checkout@v3 # See https://github.com/actions/checkout | |
- name: Validate event inputs | |
uses: actions/github-script@v6 # See https://github.com/actions/github-script | |
with: | |
script: | | |
for (const [key, value] of Object.entries(context.payload.inputs)) { | |
core.notice(value, {title: key}) | |
} | |
if (context.ref !== 'refs/heads/main') { | |
core.setFailed(`Invalid git branch (expected 'refs/heads/main', got '${context.ref}').`) | |
return | |
} | |
const fs = require('fs') | |
const image_name = context.payload.inputs.image_name | |
const image_tag = context.payload.inputs.image_tag | |
if (!fs.existsSync(image_name) || !fs.statSync(image_name).isDirectory()) { | |
core.setFailed(`Invalid image name '${image_name}'.`) | |
return | |
} | |
if (!fs.existsSync(`${image_name}/${image_tag}`) || !fs.statSync(`${image_name}/${image_tag}`).isDirectory()) { | |
core.setFailed(`Invalid image tag '${image_tag}' with image name '${image_name}'.`) | |
return | |
} | |
- name: Set up qemu | |
uses: docker/setup-qemu-action@v2 # See https://github.com/docker/setup-qemu-action | |
- name: Set up buildx | |
uses: docker/setup-buildx-action@v2 # See https://github.com/docker/setup-buildx-action | |
- name: Login to dockerhub | |
uses: docker/login-action@v2 # See https://github.com/docker/login-action | |
with: | |
username: ${{ secrets.DOCKERHUB_USERNAME }} | |
password: ${{ secrets.DOCKERHUB_TOKEN }} # Get access token from https://hub.docker.com/settings/security | |
# Hack from https://stackoverflow.com/questions/58913512/how-to-give-github-action-the-content-of-a-file-as-input | |
- name: Read platforms | |
id: read_platforms | |
working-directory: ${{ env.WORKING_DIRECTORY }} | |
run: | | |
echo "platforms=$(cat platforms.txt)" >> $GITHUB_OUTPUT | |
# See also https://github.com/docker/metadata-action | |
- name: Generate labels | |
id: generate_labels | |
uses: actions/github-script@v6 # See https://github.com/actions/github-script | |
with: | |
script: | | |
const labels = [] | |
labels.push(`com.github.actions.event_name=${context.eventName}`) | |
labels.push(`com.github.actions.job=${context.job}`) | |
labels.push(`com.github.actions.run_id=${context.runId}`) | |
labels.push(`com.github.actions.run_url=${context.payload.repository.html_url}/actions/runs/${context.runId}`) | |
labels.push(`org.opencontainers.image.created=${new Date().toISOString()}`) | |
labels.push(`org.opencontainers.image.documentation=${context.payload.repository.html_url}/tree/${context.sha.substr(0,7)}/${context.payload.inputs.image_name}/README.md`) | |
labels.push(`org.opencontainers.image.revision=${context.sha}`) | |
labels.push(`org.opencontainers.image.source=${context.payload.repository.html_url}`) | |
core.startGroup('Generated labels') | |
for (const label of labels) { | |
core.info(label) | |
} | |
core.endGroup() | |
core.setOutput('labels', labels.join('\n')) | |
- name: Run pre build hook | |
id: pre_build | |
working-directory: ${{ env.WORKING_DIRECTORY }} | |
run: | | |
if [[ -f hooks/pre_build ]]; then ./hooks/pre_build; fi | |
- name: Build and push | |
uses: docker/build-push-action@v4 # See https://github.com/docker/build-push-action | |
with: | |
context: ${{ env.WORKING_DIRECTORY }} | |
labels: | | |
${{ steps.generate_labels.outputs.labels }} | |
${{ steps.pre_build.outputs.extra_labels }} | |
platforms: ${{ steps.read_platforms.outputs.platforms }} | |
pull: ${{ github.event.inputs.pull_before_build }} | |
push: true | |
tags: | | |
${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }} | |
${{ steps.pre_build.outputs.extra_tags }} |