base-glibc-debian-bash.yaml

name: 'Build & Push: base-glibc-debian-bash'
on:
  push:
    branches:
    - main
    paths:
    - images/base-glibc-debian-bash/*
    - .github/workflows/base-glibc-debian-bash.yaml
  pull_request:
    paths:
    - images/base-glibc-debian-bash/*
    - .github/workflows/base-glibc-debian-bash.yaml

jobs:
  build:
    name: Build & Push
    runs-on: ubuntu-20.04
    env:
      # The base image is not intended to change often and should be used with
      # version tags or checksum IDs, but not via "latest".
      IMAGE_VERSION: '2.1.1'
      IMAGE_NAME: base-glibc-debian-bash
      DEBIAN_VERSION: '10.9'

    steps:
    - uses: actions/checkout@v2

    - name: Build
      id: buildah-build
      run: |
        set -xeu
        cd 'images/${{ env.IMAGE_NAME }}'

        iidfile="$( mktemp )"
        buildah bud --layers \
          --iidfile="${iidfile}" \
          --build-arg=debian_version="${{ env.DEBIAN_VERSION }}"
        image_id="$( cat "${iidfile}" )"
        rm "${iidfile}"

        container="$( buildah from "${image_id}" )"
        run() { buildah run "${container}" "${@}" ; }
        glibc="$( run sh -c 'exec "$( find /lib -name libc.so.6 -print -quit )"' | sed '1!d' )"
        debian="$( run cat /etc/debian_version | sed '1!d' )"
        bash="$( run bash --version | sed '1!d' )"
        buildah rm "${container}"

        container="$( buildah from "${image_id}" )"
        buildah config --label=glibc="${glibc}" "${container}"
        buildah config --label=debian="${debian}" "${container}"

        glibc_version="$( printf %s "${glibc}" | sed -E 's/.*version ([0-9.]*[0-9]).*/\1/' )"
        debian_version="$( printf %s "${debian}" | sed -E 's|/|_|g' )"
        bash_version="$( printf %s "${bash}" | sed -E 's/.*version ([0-9.]*[0-9]).*/\1/' )"
        tags="
          ${{ env.IMAGE_VERSION }}
          ${{ env.IMAGE_VERSION }}_${glibc_version}_${debian_version}_${bash_version}
          latest
        "

        image_id="$( buildah commit "${container}" )"
        buildah rm "${container}"
        image_name='${{ env.IMAGE_NAME }}'

        for tag in ${tags} ; do
          buildah tag "${image_id}" \
            "${image_name}":"${tag}"
        done

        echo "::set-output name=image::${image_name}"
        echo "::set-output name=tags::$( echo ${tags} )"

    - name: Test
      run: |
        image='${{ steps.buildah-build.outputs.image }}'
        ids="$(
          for tag in ${{ steps.buildah-build.outputs.tags }} ; do
            buildah images --quiet --no-trunc "${image}:${tag}"
          done
          )"
        ids="$( printf %s "${ids}" | sort -u )"
        for id in ${ids} ; do
          podman history "${id}"
          buildah bud \
            --build-arg=base="${id}" \
            --file=Dockerfile.test \
            "images/${image}"
        done
        buildah rmi --prune || true

    - name: Check Tags
      run: |
        # FIX upstream: Quay.io does not support immutable images currently.
        #               => Try to use the REST API to check for duplicate tags.
        respone="$(
          curl -sL \
            'https://quay.io/api/v1/repository/bioconda/${{ steps.buildah-build.outputs.image }}/image'
          )"

        existing_tags="$(
          printf %s "${respone}" \
            | jq -r '.images[].tags[]'
          )" \
          || {
            printf %s\\n \
              'Could not get list of image tags.' \
              'Does the repository exist on Quay.io?' \
              'Quay.io REST API response was:' \
              "${respone}"
            exit 1
          }
        for tag in ${{ steps.buildah-build.outputs.tags }} ; do
          if [ \! "${tag}" = latest ] ; then
            if printf %s "${existing_tags}" | grep -qxF "${tag}" ; then
              printf 'Tag %s already exists!\n' "${tag}"
              exit 1
            fi
          fi
        done

    - if: ${{ github.ref == 'refs/heads/main' }}
      name: Push
      uses: redhat-actions/push-to-registry@v2
      with:
        image: ${{ steps.buildah-build.outputs.image }}
        tags: ${{ steps.buildah-build.outputs.tags }}
        registry: ${{ secrets.QUAY_BIOCONDA_REPO }}
        username: ${{ secrets.QUAY_BIOCONDA_USERNAME }}
        password: ${{ secrets.QUAY_BIOCONDA_TOKEN }}

    - if: ${{ github.ref == 'refs/heads/main' }}
      name: Test Pushed
      run: |
        image='${{ steps.buildah-build.outputs.image }}'
        ids="$(
          for tag in ${{ steps.buildah-build.outputs.tags }} ; do
            buildah images --quiet --no-trunc "${image}:${tag}"
          done
        )"
        ids="$( printf %s "${ids}" | sort -u )"
        for id in ${ids} ; do
          podman history "${id}"
          buildah bud \
            --build-arg=base="${id}" \
            --file=Dockerfile.test \
            "images/${image}"
        done
        buildah rmi --prune || true