git-trees-oras.yml

name: git-trees-oras

on:
  schedule:
    - cron: '0 1 * * *' # Scheduled runs every day at 1am UTC
  workflow_dispatch:

jobs:

  git-trees:
    runs-on: ubuntu-latest
    steps:
      - name: Docker Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }} # GitHub username or org
          password: ${{ secrets.GITHUB_TOKEN }}    # GitHub actions builtin token. repo has to have pkg access.

      - name: Checkout
        uses: actions/checkout@v3

      - name: Test ORAS, Tokens, Logins, etc
        env:
          TARGET_OCI: "ghcr.io/${{ github.repository }}/kernel-git-oras-validation:latest"
          TARGET_FULL_FILE_PATH: "/tmp/test_oras/test.txt"
        run: |
          mkdir -p "/tmp/test_oras"
          date > "${TARGET_FULL_FILE_PATH}"
          bash oras_upload.sh

      - name: Cache git worktree
        uses: actions/cache@v3
        with:
          path: /tmp/workdir/kernel/worktree
          key: ${{ runner.os }}-kernel-worktree-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-kernel-worktree

      - name: Prepare git trees, bulk of work, slow
        run: |
          BASE_WORK_DIR="/tmp/workdir" bash work_kernel_tree.sh

      - name: Upload multiple shallow trees to ghcr.io via ORAS
        env:
          TARGET_OCI_PREFIX: "ghcr.io/${{ github.repository }}/kernel-git-shallow" # :latest
          OUTPUT_BASE: "/tmp/workdir/kernel/output_oras"
        run: |
          for KERNEL_VERSION in $(cat ${OUTPUT_BASE}/shallow_versions.txt); do 
             echo "::group::Pushing ORAS bundle for shallow ${KERNEL_VERSION}"
             echo "version: $KERNEL_VERSION"
             export TARGET_OCI="${TARGET_OCI_PREFIX}-${KERNEL_VERSION}:latest"
             export TARGET_FULL_FILE_PATH="${OUTPUT_BASE}/linux-shallow-${KERNEL_VERSION}.git.tar"
             echo "TARGET_OCI: ${TARGET_OCI}"
             echo "TARGET_FULL_FILE_PATH: ${TARGET_FULL_FILE_PATH}"
             bash oras_upload.sh
             echo "::endgroup::"
          done


      - name: Upload single complete tree to ghcr.io via ORAS
        env:
          TARGET_OCI: "ghcr.io/${{ github.repository }}/kernel-git:latest"
          TARGET_FULL_FILE_PATH: "/tmp/workdir/kernel/output_oras/linux-complete.git.tar"
        run: |
          bash oras_upload.sh