name: deploy on staging2.testrun.org, and run tests

on:
  push:
    branches:
      - main
  pull_request:
    paths-ignore:
      - 'scripts/**'
      - '**/README.md'
      - 'CHANGELOG.md'
      - 'LICENSE'

jobs:
  deploy:
    name: deploy on staging2.testrun.org, and run tests
    runs-on: ubuntu-latest
    timeout-minutes: 30
    concurrency:
      group: ci-${{ github.workflow }}-${{ github.ref }}
      cancel-in-progress: ${{ !contains(github.ref, '$GITHUB_REF') }}
    steps:
      - uses: jsok/serialize-workflow-action@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
      - uses: actions/checkout@v4

      - name: prepare SSH
        run: |
          mkdir ~/.ssh
          echo "${{ secrets.STAGING_SSH_KEY }}" >> ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan staging2.testrun.org > ~/.ssh/known_hosts
          # save previous acme & dkim state
          rsync -avz root@staging2.testrun.org:/var/lib/acme . || true
          rsync -avz root@staging2.testrun.org:/etc/dkimkeys . || true
          # store previous acme & dkim state on ns.testrun.org, if it contains useful certs
          if [ -f dkimkeys/opendkim.private ]; then rsync -avz -e "ssh -o StrictHostKeyChecking=accept-new" dkimkeys root@ns.testrun.org:/tmp/ || true; fi
          if [ "$(ls -A acme/certs)" ]; then rsync -avz -e "ssh -o StrictHostKeyChecking=accept-new" acme root@ns.testrun.org:/tmp/ || true; fi
          # make sure CAA record isn't set
          ssh -o StrictHostKeyChecking=accept-new root@ns.testrun.org sed -i '/CAA/d' /etc/nsd/staging2.testrun.org.zone
          ssh root@ns.testrun.org systemctl reload nsd

      - name: rebuild staging2.testrun.org to have a clean VPS
        run: |
            curl -X POST \
            -H "Authorization: Bearer ${{ secrets.HETZNER_API_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d '{"image":"debian-12"}' \
            "https://api.hetzner.cloud/v1/servers/${{ secrets.STAGING_SERVER_ID }}/actions/rebuild"

      - run: scripts/initenv.sh

      - name: append venv/bin to PATH
        run: echo venv/bin >>$GITHUB_PATH

      - name: upload TLS cert after rebuilding
        run: |
          echo " --- wait until staging2.testrun.org VPS is rebuilt --- "
          rm ~/.ssh/known_hosts
          while ! ssh -o ConnectTimeout=180 -o StrictHostKeyChecking=accept-new -v root@staging2.testrun.org id -u ; do sleep 1 ; done
          ssh -o StrictHostKeyChecking=accept-new -v root@staging2.testrun.org id -u
          # download acme & dkim state from ns.testrun.org
          rsync -e "ssh -o StrictHostKeyChecking=accept-new" -avz root@ns.testrun.org:/tmp/acme acme-restore || true
          rsync -avz root@ns.testrun.org:/tmp/dkimkeys dkimkeys-restore || true
          # restore acme & dkim state to staging2.testrun.org
          rsync -avz acme-restore/acme/ root@staging2.testrun.org:/var/lib/acme || true
          rsync -avz dkimkeys-restore/dkimkeys/ root@staging2.testrun.org:/etc/dkimkeys || true
          ssh -o StrictHostKeyChecking=accept-new -v root@staging2.testrun.org chown root:root -R /var/lib/acme || true

      - name: run formatting checks 
        run: cmdeploy fmt -v 

      - name: run deploy-chatmail offline tests 
        run: pytest --pyargs cmdeploy 

      - run: cmdeploy init staging2.testrun.org

      - run: cmdeploy run --verbose

      - name: set DNS entries
        run: |
          ssh -o StrictHostKeyChecking=accept-new root@staging2.testrun.org chown opendkim:opendkim -R /etc/dkimkeys
          cmdeploy dns --zonefile staging-generated.zone --verbose
          cat staging-generated.zone >> .github/workflows/staging.testrun.org-default.zone
          cat .github/workflows/staging.testrun.org-default.zone
          scp .github/workflows/staging.testrun.org-default.zone root@ns.testrun.org:/etc/nsd/staging2.testrun.org.zone
          ssh root@ns.testrun.org nsd-checkzone staging2.testrun.org /etc/nsd/staging2.testrun.org.zone
          ssh root@ns.testrun.org systemctl reload nsd

      - name: cmdeploy test
        run: CHATMAIL_DOMAIN2=nine.testrun.org cmdeploy test --slow

      - name: cmdeploy dns (try 3 times)
        run: cmdeploy dns -v || cmdeploy dns -v || cmdeploy dns -v