ci.yml

name: "CI Full Run"
on:
  pull_request:
    branches:
      - main
      - grok/*/*
  push:
    branches:
      - main

jobs:
  # Tests ci-storage tool itself.
  ci-storage-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Create dummy file
        run: echo "dummy" > dummy.txt
      - name: Test store
        uses: ./
        with:
          action: "store"
          storage-host: ""
      - name: Remove dummy file
        run: rm dummy.txt
      - name: Test load
        uses: ./
        with:
          action: "load"
          storage-host: ""
      - name: Check that dummy file was restored
        run: |
          set -e
          ls -la ~/ci-storage/dimikot/ci-storage
          [ "$(cat dummy.txt)" = "dummy" ] || { echo "dummy.txt was not restored"; exit 1; }

  # Builds and boots a self-hosted runner inside GitHub's infra. Once it's
  # settled, there is a running container with one self-hosted runner waiting
  # for jobs with "ci-storage-test" tag to pick up (based on Dockerfile image).
  self-hosted-runner-build-and-boot-docker-container:
    runs-on: ubuntu-latest
    timeout-minutes: 5
    permissions:
      actions: write
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Start test Docker containers
        run: |
          ssh-keygen -t ed25519 -qf /tmp/key -N ""
          export CI_STORAGE_HOST_SSH_KEY="$(cat /tmp/key)"
          set -o xtrace
          cd docker
          # Boot ci-storage-host container. It will have a default empty slot.
          docker compose up ci-storage-host -d --build
          # Now boot self-hosted-runner container. It will connect to
          # ci-storage-host container and load the empty slot from there, then
          # register a GitHub self-hosted runner and remain waiting for jobs.
          docker compose up self-hosted-runner --build
        env:
          GH_REPOSITORY: ${{ github.repository }}
          GH_LABELS: ci-storage-test
          GH_TOKEN: ${{ secrets.CI_PAT  }}

  # The test job with ci-storage-test tag which is initially queued, but then is
  # picked up by the self-hosted-runner container booted in the previous job. In
  # the end, the test job sends SIGINT to the container entrypoint.sh PID, so
  # the container (based on Dockerfile image) shuts down gracefully.
  self-hosted-runner-spawn-job-test:
    runs-on: ["self-hosted", "ci-storage-test"]
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Run test job inside the self-hosted runner
        run: echo "Hello, world!"
      - name: Test store
        uses: ./
        with:
          action: "store"
          storage-host: "ci-storage-host"
      - name: Kill self-hosted runner container
        run: |
          cd /home/ubuntu/actions-runner
          kill -SIGINT $(cat runner.pid)