GitHub Actions Snyk Security Scanner

# Create requirements.txt listing all external Python dependencies
# Example for DSOM tools (dsom_token_auditor.py uses tiktoken):
echo "tiktoken>=0.7.0" > requirements.txt
git add requirements.txt
git commit -m "chore(deps): add requirements.txt for Python dependency tracking and Snyk scanning"

# ==============================================================================
# Snyk, Open Source Dependency Vulnerability Scan
# Replaces deprecated redhat-actions/crda@v1 (gw.api.openshift.io is offline)
# ==============================================================================
name: Snyk Security Scan

on:
  push:
    branches: [ "main" ]
    paths:
      - "requirements.txt"
      - ".github/workflows/crda.yml"

  pull_request:
    branches: [ "main" ]
    paths:
      - "requirements.txt"
      - ".github/workflows/crda.yml"

  schedule:
    - cron: "0 0 * * 1"   # Every Monday 00:00 UTC

  workflow_dispatch:

concurrency:
  group: snyk-scan-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read
  security-events: write

jobs:
  snyk-scan:
    name: Snyk, Python Dependency Vulnerability Scan
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python 3.12
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"
          cache: "pip"

      - name: Install Python dependencies
        run: pip install -r requirements.txt

      - name: Run Snyk vulnerability scan
        uses: snyk/actions/python@master
        continue-on-error: true          # Allow SARIF upload even if vulnerabilities found
        env:
          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
        with:
          args: --sarif-file-output=snyk.sarif --severity-threshold=low

      - name: Upload SARIF to GitHub Code Scanning
        uses: github/codeql-action/upload-sarif@v4   # NOT @v3, deprecated Dec 2025
        with:
          sarif_file: snyk.sarif
          category: snyk-python-scan

git add .github/workflows/crda.yml
git commit -m "ci(security): replace deprecated CRDA with Snyk native action"
git push origin main