Add Gitea Actions workflows for Terraform and Ansible

.gitea/workflows/ansible.yml

@@ -0,0 +1,54 @@
+name: Ansible
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'ansible/**'
+  workflow_dispatch:
+    inputs:
+      playbook:
+        description: 'Playbook to run'
+        required: true
+        default: 'infra.yml'
+        type: choice
+        options:
+          - infra.yml
+
+jobs:
+  ansible:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ansible
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Ansible
+        run: pip install ansible
+
+      - name: Write SSH key
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DROPLET_SSH_KEY }}" > ~/.ssh/do
+          chmod 600 ~/.ssh/do
+          ssh-keyscan -H ${{ secrets.DROPLET_IP }} >> ~/.ssh/known_hosts
+
+      - name: Write inventory
+        run: |
+          echo "[infra]" > inventory.ini
+          echo "${{ secrets.DROPLET_IP }} ansible_user=root ansible_ssh_private_key_file=~/.ssh/do" >> inventory.ini
+
+      - name: Write vault password
+        run: echo "${{ secrets.ANSIBLE_VAULT_PASSWORD }}" > .vault_pass
+
+      - name: Run playbook
+        run: |
+          ansible-playbook -i inventory.ini ${{ inputs.playbook || 'infra.yml' }} \
+            --vault-password-file .vault_pass
+
+      - name: Cleanup
+        if: always()
+        run: rm -f ~/.ssh/do .vault_pass