validate-config.yml

# =============================================================================
# validate-config.yml — Validate config/variables.example.yml against schema
# =============================================================================
# Triggered on PRs and pushes that touch config/ or this workflow.
# Validates YAML syntax and JSON Schema compliance.
# =============================================================================

name: Validate Configuration

on:
  push:
    branches: [main]
    paths:
      - 'config/**'
      - '.github/workflows/validate-config.yml'
  pull_request:
    branches: [main]
    paths:
      - 'config/**'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest

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

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install dependencies
        run: pip install pyyaml jsonschema

      - name: Validate variables.example.yml against schema
        run: |
          python3 -c "
          import yaml, json, sys
          from jsonschema import validate, ValidationError

          with open('config/variables.example.yml') as f:
              data = yaml.safe_load(f)

          with open('config/schema/variables.schema.json') as f:
              schema = json.load(f)

          try:
              validate(instance=data, schema=schema)
              print('✅ config/variables.example.yml passes schema validation')
          except ValidationError as e:
              print(f'❌ Schema validation failed: {e.message}')
              print(f'   Path: {\" > \".join(str(p) for p in e.absolute_path)}')
              sys.exit(1)
          "