forecastingapi/.github/workflows/forecast-request.yml at main · bryanwhiting/forecastingapi · GitHub

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name: Forecast Request
run-name: ${{ github.event_name == 'workflow_dispatch' && format('Forecast • {0}', inputs.slug) || format('Deploy • {0}', github.sha) }}

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      slug:
        description: "Output slug for forecast page"
        required: true
      use_m5:
        description: "Use Nixtla datasetsforecast M5 sample"
        required: false
        default: false
        type: boolean
      m5_series_count:
        description: "How many M5 series to sample (small for cost/speed)"
        required: false
        default: "3"
      payload:
        description: "Forecast request JSON (ignored for series values when use_m5=true)"
        required: false
        default: "{}"
      backtest_windows:
        description: "Rolling backtest windows"
        required: false
        default: "3"

permissions:
  contents: write
  deployments: write

jobs:
  forecast:
    if: github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install package
        run: |
          python -m pip install --upgrade pip
          pip install .

      - name: Generate forecast artifacts
        run: |
          python scripts/run_forecast.py \
            --slug "${{ inputs.slug }}" \
            --payload '${{ inputs.payload }}' \
            --repo "${{ github.repository }}" \
            --run-id "${{ github.run_id }}" \
            --actor "${{ github.actor }}" \
            --sha "${{ github.sha }}" \
            ${{ inputs.use_m5 && '--use-m5' || '' }} \
            --m5-series-count "${{ inputs.m5_series_count }}" \
            --backtest-windows "${{ inputs.backtest_windows }}"

      - name: Commit output (retry-safe for concurrent runs)
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add site/src/data/forecasts
          git commit -m "Add forecast ${{ inputs.slug }}" || echo "No changes"

          # Concurrent workflow runs can race on push. Retry with rebase.
          for i in 1 2 3 4 5; do
            echo "Push attempt $i..."
            git fetch origin main
            git rebase origin/main || { git rebase --abort; }
            if git push origin HEAD:main; then
              echo "Push succeeded on attempt $i"
              break
            fi
            if [ "$i" -eq 5 ]; then
              echo "Push failed after 5 attempts"
              exit 1
            fi
            sleep $((RANDOM % 5 + 2))
          done

      - name: Setup Node for site build
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
          cache-dependency-path: site/package-lock.json

      - name: Build Astro site
        working-directory: site
        run: |
          npm ci
          npm run build

      - name: Deploy to Cloudflare Pages
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          workingDirectory: site
          command: pages deploy dist --project-name forecastingapi --branch main

  deploy:
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    concurrency:
      group: deploy-main
      cancel-in-progress: true
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node for site build
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
          cache-dependency-path: site/package-lock.json

      - name: Build Astro site
        working-directory: site
        run: |
          npm ci
          npm run build

      - name: Deploy to Cloudflare Pages
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          workingDirectory: site
          command: pages deploy dist --project-name forecastingapi --branch main