Accommodate non-FHS build environments #13

	name: Build container images

	on:
	push:
	branches:
	- main
	schedule:
	# Basically picked at random to try and be a low-load time for GitHub Actions
	- cron: '20 3 * * 0'
	workflow_dispatch:

	jobs:
	get-ubuntu-versions:
	runs-on: ubuntu-latest
	outputs:
	versions: ${{ steps.versions.outputs.versions }}
	steps:
	- name: Query Launchpad API for active and supported Ubuntu versions
	id: versions
	# This command actually grabs Ubuntu ESM-supported releases too, but the Launchpad API doesn't give a way to differentiate these out so who cares
	run: curl https://api.launchpad.net/devel/ubuntu/series \| jq '.entries[] \| select(.supported == true and .active == true) \| .version' \| tr '\n' ' ' \| sed -e 's/^/versions=[/' -e 's/ $/]/' -e 's/ /, /g' >> "$GITHUB_OUTPUT"

	build-push-images:
	runs-on: ubuntu-latest
	needs: get-ubuntu-versions
	strategy:
	matrix:
	version: ${{ fromJSON(needs.get-ubuntu-versions.outputs.versions) }}
	env:
	REGISTRY_USER: ${{ github.actor }}
	REGISTRY_PASSWORD: ${{ github.token }}
	IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
	steps:
	- name: Log in to GitHub Container Registry
	uses: redhat-actions/podman-login@v1
	with:
	username: ${{ github.actor }}
	password: ${{ github.token }}
	# TODO use {{ github.repository_owner }} when https://github.com/redhat-actions/podman-login/issues/44 is fixed
	registry: ghcr.io/seagl

	- name: Checkout Repo
	uses: actions/checkout@v1

	- name: Build and push container images
	if: github.ref == 'refs/heads/main' && github.event_name == 'push'
	run: ./build-and-push.sh ${{ matrix.version }}

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