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.github/workflows/ansible.yml

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+---
+name: Ansible Role
+
+on: push
+
+jobs:
+  test:
+  # https://molecule.readthedocs.io/en/latest/ci.html#github-actions
+    runs-on: ubuntu-latest
+    # https://docs.github.com/en/free-pro-team@latest/actions/reference/context-and-expression-syntax-for-github-actions#github-context
+    if: contains(github.ref, 'refs/heads/')
+    steps:
+      - name: Check out the codebase
+        uses: actions/checkout@v2
+        with:
+          path: "${{ github.repository }}"
+      - name: Set up Python
+        uses: actions/setup-python@v2
+      - name: Set up Docker 
+        uses: docker-practice/actions-setup-docker@master
+      - name: Install dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          python3 -m pip install molecule[ansible,docker]
+          ansible --version
+          docker --version
+          molecule --version
+          python --version
+      - name: Test with molecule
+        run: |
+          cd ansible
+          molecule test
+        working-directory: "${{ github.repository }}"