Modify LiteFS config for PR preview to use static lease type #3
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| name: 🔍 PR Preview Deploy | ||
| on: | ||
| pull_request: | ||
| types: [opened, synchronize, reopened, closed] | ||
| env: | ||
| FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }} | ||
| jobs: | ||
| deploy-pr: | ||
| name: 🚀 Deploy PR Preview | ||
| runs-on: ubuntu-latest | ||
| if: github.event.action != 'closed' | ||
| steps: | ||
| - name: ⬇️ Checkout repo | ||
| uses: actions/checkout@v4 | ||
| - name: 🎈 Setup Fly | ||
| uses: superfly/flyctl-actions/[email protected] | ||
| - name: 🏷️ Generate app name | ||
| id: app-name | ||
| run: | | ||
| # Create a unique app name for this PR | ||
| APP_NAME="kcd-pr-${{ github.event.number }}" | ||
| echo "app_name=$APP_NAME" >> $GITHUB_OUTPUT | ||
| echo "url=https://$APP_NAME.fly.dev" >> $GITHUB_OUTPUT | ||
| - name: 📝 Setup PR-specific configurations | ||
| run: | | ||
| # Copy and modify fly.toml for PR preview | ||
| cp fly.toml fly.toml.backup | ||
| # Update app name for PR | ||
| sed -i 's/^app = .*/app = "${{ steps.app-name.outputs.app_name }}"/' fly.toml | ||
| # Remove consul from experimental section (if present) | ||
| sed -i '/enable_consul = true/d' fly.toml | ||
| # Add auto-scaling configuration to services section | ||
| # Find the [[services]] section and add auto-scaling after internal_port | ||
| awk ' | ||
| /^\[\[services\]\]/ { in_services = 1 } | ||
| /^ internal_port = / && in_services { | ||
| print $0 | ||
| print " auto_stop_machines = true" | ||
| print " auto_start_machines = true" | ||
| print " min_machines_running = 0" | ||
| print " processes = [\"app\"]" | ||
| in_services = 0 | ||
| next | ||
| } | ||
| { print } | ||
| ' fly.toml > fly.toml.tmp && mv fly.toml.tmp fly.toml | ||
| # Copy and modify litefs.yml for PR preview (standalone, no consul) | ||
| cp other/litefs.yml other/litefs.yml.backup | ||
| # Replace consul lease with static lease for PR preview isolation | ||
| # This makes each PR preview a standalone instance | ||
| sed -i '/^lease:/,/^$/c\ | ||
| lease:\ | ||
| type: '\''static'\'' | ||
| ' other/litefs.yml | ||
| # Add a comment explaining the isolation | ||
| sed -i '/^lease:/i\\n# PR Preview: Using static lease type for standalone instance\n# This prevents syncing with production data' other/litefs.yml | ||
| echo "=== Modified fly.toml ===" | ||
| cat fly.toml | ||
| echo "=== Modified litefs.yml ===" | ||
| cat other/litefs.yml | ||
| - name: 🏗️ Create PR app | ||
| run: | | ||
| flyctl apps create ${{ steps.app-name.outputs.app_name }} --org personal || echo "App already exists" | ||
| - name: 🚀 Deploy PR app | ||
| run: | | ||
| flyctl deploy --depot --remote-only --build-arg COMMIT_SHA=${{ github.sha }} --app ${{ steps.app-name.outputs.app_name }} | ||
| - name: 💬 Comment on PR | ||
| uses: actions/github-script@v7 | ||
| with: | ||
| script: | | ||
| const { data: comments } = await github.rest.issues.listComments({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| issue_number: context.issue.number, | ||
| }); | ||
| const botComment = comments.find(comment => | ||
| comment.user.type === 'Bot' && comment.body.includes('PR Preview') | ||
| ); | ||
| const commentBody = `🚀 **PR Preview Deployed** | ||
| Your pull request has been deployed to a temporary Fly machine: | ||
| 🔗 **Preview URL**: ${{ steps.app-name.outputs.url }} | ||
| 📱 **App Name**: \`${{ steps.app-name.outputs.app_name }}\` | ||
| This preview will automatically scale to zero when not in use to save costs. | ||
| The app will be automatically deleted when this PR is closed or merged. | ||
| --- | ||
| <sub>Updated: ${new Date().toISOString()}</sub>`; | ||
| if (botComment) { | ||
| github.rest.issues.updateComment({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| comment_id: botComment.id, | ||
| body: commentBody | ||
| }); | ||
| } else { | ||
| github.rest.issues.createComment({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| issue_number: context.issue.number, | ||
| body: commentBody | ||
| }); | ||
| } | ||
| cleanup-pr: | ||
| name: 🧹 Cleanup PR Preview | ||
| runs-on: ubuntu-latest | ||
| if: github.event.action == 'closed' | ||
| steps: | ||
| - name: 🎈 Setup Fly | ||
| uses: superfly/flyctl-actions/[email protected] | ||
| - name: 🏷️ Generate app name | ||
| id: app-name | ||
| run: | | ||
| APP_NAME="kcd-pr-${{ github.event.number }}" | ||
| echo "app_name=$APP_NAME" >> $GITHUB_OUTPUT | ||
| - name: 🗑️ Delete PR app | ||
| run: | | ||
| flyctl apps destroy ${{ steps.app-name.outputs.app_name }} --yes || echo "App doesn't exist or already deleted" | ||
| - name: 💬 Comment on PR | ||
| uses: actions/github-script@v7 | ||
| with: | ||
| script: | | ||
| const commentBody = `🧹 **PR Preview Cleaned Up** | ||
| The temporary Fly machine for this PR has been deleted. | ||
| --- | ||
| <sub>Cleaned up: ${new Date().toISOString()}</sub>`; | ||
| github.rest.issues.createComment({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| issue_number: context.issue.number, | ||
| body: commentBody | ||
| }); | ||
