[actions] add vagrant deploy job in the interim

Author: lae

.github/workflows/ci.yml

@@ -0,0 +1,51 @@
+---
+name: CI
+
+"on":
+  pull_request: {}
+  push:
+    branches: ["main"]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+permissions:
+  contents: read
+
+jobs:
+  vagrant-deploy:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - run: pip install jmespath netaddr
+      - run: ansible-galaxy install geerlingguy.ntp
+      - name: setup vagrant
+        run: |
+          # Copyright The containerd Authors
+          # 
+          # Licensed under the Apache License, Version 2.0 (the "License");
+          # you may not use this file except in compliance with the License.
+          # You may obtain a copy of the License at
+          # 
+          #     http://www.apache.org/licenses/LICENSE-2.0
+          # 
+          # Unless required by applicable law or agreed to in writing, software
+          # distributed under the License is distributed on an "AS IS" BASIS,
+          # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+          # See the License for the specific language governing permissions and
+          # limitations under the License.
+          curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
+          echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
+          sudo sed -i 's/^# deb-src/deb-src/' /etc/apt/sources.list
+          sudo apt-get update
+          sudo apt-get install -y libvirt-daemon libvirt-daemon-system vagrant
+          sudo systemctl enable --now libvirtd
+          sudo apt-get build-dep -y vagrant ruby-libvirt
+          sudo apt-get install -y --no-install-recommends libxslt-dev libxml2-dev libvirt-dev ruby-bundler ruby-dev zlib1g-dev
+          sudo vagrant plugin install vagrant-libvirt
+      - run: sudo vagrant up --no-tty