name: VM

on:
  pull_request:
    branches:
      - '*'
      - 'release-branch/*'

concurrency:
  group: ${{ github.workflow }}-$${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  ubuntu2004-LTS-cloud-base:
    runs-on: [ self-hosted, linux, vm ]

    if: "(github.repository == 'tailscale/tailscale') && !contains(github.event.head_commit.message, '[ci skip]')"

    steps:
      - name: Set GOPATH
        run: echo "GOPATH=$HOME/go" >> $GITHUB_ENV

      - name: Checkout Code
        uses: actions/checkout@v3

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version-file: go.mod

      - name: Run VM tests
        run: go test ./tstest/integration/vms -v -no-s3 -run-vm-tests -run=TestRunUbuntu2004
        env:
          HOME: "/tmp"
          TMPDIR: "/tmp"
          XDG_CACHE_HOME: "/var/lib/ghrunner/cache"

      - uses: k0kubun/action-slack@v2.0.0
        with:
          payload: |
            {
              "attachments": [{
                "text": "${{ job.status }}: ${{ github.workflow }} <https://github.com/${{ github.repository }}/commit/${{ github.sha }}/checks|${{ env.COMMIT_DATE }} #${{ env.COMMIT_NUMBER_OF_DAY }}> " +
                        "(<https://github.com/${{ github.repository }}/commit/${{ github.sha }}|" + "${{ github.sha }}".substring(0, 10) + ">) " +
                        "of ${{ github.repository }}@" + "${{ github.ref }}".split('/').reverse()[0] + " by ${{ github.event.head_commit.committer.name }}",
                "color": "danger"
              }]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: failure() && github.event_name == 'push'