xiaoxia-saas/.gitea/workflows/preview-cleanup.yml

name: Preview Cleanup
on:
  pull_request:
    types:
    - closed
    branches:
    - main
    - develop
permissions:
  contents: read
  pull-requests: write
jobs:
  cleanup-preview:
    name: Cleanup Preview Environment
    runs-on: runtime-builder
    timeout-minutes: 10
    steps:
    - name: Extract PR number
      shell: sh
      run: |
        set -eu
        PR_NUMBER=$(echo "$GITHUB_REF" | sed 's|refs/pull/||; s|/.*||')
        echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV
        echo "PR number: $PR_NUMBER"
        echo "Preview dir: /var/www/preview/pr-${PR_NUMBER}"

    - name: Install SSH client
      shell: sh
      run: |
        set -eu
        if command -v apk >/dev/null 2>&1; then
          apk add --no-cache openssh-client >/dev/null 2>&1
        elif command -v apt-get >/dev/null 2>&1; then
          apt-get update -qq && apt-get install -y -qq openssh-client >/dev/null 2>&1
        else
          echo "ERROR: No package manager found"
          exit 1
        fi
        echo "openssh-client installed"

    - name: Remove preview directory from server
      shell: sh
      env:
        PREVIEW_SSH_HOST: ${{ secrets.PREVIEW_SSH_HOST }}
        PREVIEW_SSH_USER: ${{ secrets.PREVIEW_SSH_USER }}
        PREVIEW_SSH_PORT: ${{ secrets.PREVIEW_SSH_PORT }}
        PREVIEW_SSH_KEY: ${{ secrets.PREVIEW_SSH_KEY }}
      run: |
        set -eux
        preview_host="${PREVIEW_SSH_HOST:-172.30.18.197}"
        preview_user="${PREVIEW_SSH_USER:-deploy}"
        preview_port="${PREVIEW_SSH_PORT:-22222}"
        preview_dir="/var/www/preview/pr-${PR_NUMBER}"

        mkdir -p ~/.ssh

        # 查找可用的SSH密钥
        key_path=""
        if [ -f /root/.ssh/xiaoxia_runtime_builder ]; then
          key_path="/root/.ssh/xiaoxia_runtime_builder"
          echo "Using key: $key_path (builder key)"
        elif [ -f "$HOME/.ssh/xiaoxia_runtime_builder" ]; then
          key_path="$HOME/.ssh/xiaoxia_runtime_builder"
          echo "Using key: $key_path (home key)"
        elif [ -n "${PREVIEW_SSH_KEY:-}" ]; then
          key_path="$HOME/.ssh/id_ed25519"
          printf '%s\n' "$PREVIEW_SSH_KEY" > "$key_path"
          chmod 600 "$key_path"
          echo "Using key from PREVIEW_SSH_KEY secret"
        else
          echo "ERROR: No SSH key available"
          ls -la ~/.ssh/ 2>/dev/null || true
          ls -la /root/.ssh/ 2>/dev/null || true
          exit 1
        fi

        ssh-keyscan -p "$preview_port" -H "$preview_host" >> ~/.ssh/known_hosts 2>/dev/null
        echo "SSH keyscan done"

        # 测试SSH连接
        ssh -p "$preview_port" -i "$key_path" -o StrictHostKeyChecking=no "${preview_user}@${preview_host}" "echo SSH_CONNECTION_OK && hostname"
        echo "SSH connection verified"

        # 检查目录是否存在
        DIR_EXISTS=$(ssh -p "$preview_port" -i "$key_path" -o StrictHostKeyChecking=no "${preview_user}@${preview_host}" \
          "if [ -d '${preview_dir}' ]; then echo 'yes'; else echo 'no'; fi")

        if [ "$DIR_EXISTS" = "yes" ]; then
          echo "Removing preview directory: ${preview_dir}"
          ssh -p "$preview_port" -i "$key_path" -o StrictHostKeyChecking=no "${preview_user}@${preview_host}" \
            "rm -rf ${preview_dir} && echo 'Preview directory removed successfully'"
          echo "Cleanup completed: ${preview_dir}"
        else
          echo "Preview directory does not exist: ${preview_dir}, nothing to clean up"
        fi

    - name: Comment cleanup notice on PR
      if: success()
      shell: sh
      env:
        GITHUB_TOKEN: ${{ github.token }}
      run: |
        set -eu
        PR_NUMBER=$(echo "$GITHUB_REF" | sed 's|refs/pull/||; s|/.*||')
        export PR_NUMBER

        COMMENT_BODY=$(python3 scripts/ci/preview_comment.py cleanup)

        API_URL="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/issues/${PR_NUMBER}/comments"
        curl -s -X POST \
          -H "Authorization: token ${GITHUB_TOKEN}" \
          -H "Content-Type: application/json" \
          -d "$COMMENT_BODY" \
          "$API_URL" \
          > /dev/null
        echo "Cleanup comment posted"