gha: add ansible run workflow

.github/workflows/build_image.yml

@@ -39,3 +39,30 @@ jobs:
         env:
           BRETELLOFIER_RECIPIENTS: ${{ secrets.BRETELLOFIER_RECIPIENTS }}
           BRETELLOFIER_TOKEN: ${{ secrets.BRETELLOFIER_TOKEN}}
+
+  ansible:
+    runs-on: archlinux-latest
+    steps:
+      - name: Install ansible
+        run: |
+          pacman -Sy
+          pacman -S ansible
+
+      - name: Setup local inventory
+        run: |
+          echo "localhost ansible_user=root connection=local" > ansible-hosts
+
+      - name: Run playbook
+        run: |
+          ansible-playbook -i ansible-hosts playbook.yml
+
+      - name: Notify on failure
+        if: failure()
+        run: |
+          python -m venv .
+          ./bin/pip install https://git.decapod.one/brethil/bretellofier
+
+          ./bin/bretellofier "[brethil/dotfiles] 💥 Build failed"
+        env:
+          BRETELLOFIER_RECIPIENTS: ${{ secrets.BRETELLOFIER_RECIPIENTS }}
+          BRETELLOFIER_TOKEN: ${{ secrets.BRETELLOFIER_TOKEN}}