GistPin/infrastructure/ci/helm-schema-validate.yml at fix/gitignore-encoding · ghzhost/GistPin · GitHub

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name: Helm Schema Validation

on:
  pull_request:
    paths:
      - 'infrastructure/k8s/**'
      - 'infrastructure/ci/helm-schema-validate.yml'
  push:
    branches: [main]
    paths:
      - 'infrastructure/k8s/**'

jobs:
  validate:
    name: Validate Helm Values
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: '3.14.0'

      - name: Install yq
        run: |
          sudo wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
          sudo chmod +x /usr/local/bin/yq

      - name: Validate values.schema.json syntax
        run: |
          python3 -m json.tool infrastructure/k8s/helm/gistpin/values.schema.json > /dev/null && \
          echo "✓ values.schema.json is valid JSON"

      - name: Validate values.yaml against schema
        run: |
          helm lint infrastructure/k8s --strict \
            --namespace gistpin \
            --set environment=staging
        continue-on-error: true

      - name: Validate schema with ajv
        run: |
          npm install -g ajv-cli@5.0.0
          ajv validate \
            -s infrastructure/k8s/helm/gistpin/values.schema.json \
            -d infrastructure/k8s/values.yaml \
            --strict=false 2>&1 || echo "Warning: ajv validation produced issues (non-blocking)"

      - name: Validate dev values
        run: |
          cat infrastructure/k8s/values.yaml \
            | yq eval '.env = "dev"' - \
            > /tmp/values-dev.yaml
          helm lint infrastructure/k8s --strict --values /tmp/values-dev.yaml \
            --namespace gistpin || true

      - name: Validate staging values
        run: |
          cat infrastructure/k8s/values.yaml \
            | yq eval '.env = "staging"' - \
            > /tmp/values-staging.yaml
          helm lint infrastructure/k8s --strict --values /tmp/values-staging.yaml \
            --namespace gistpin || true

      - name: Validate production values
        run: |
          cat infrastructure/k8s/values.yaml \
            | yq eval '.env = "production"' - \
            > /tmp/values-prod.yaml
          helm lint infrastructure/k8s --strict --values /tmp/values-prod.yaml \
            --namespace gistpin || true

      - name: Check for breaking changes
        run: |
          SCHEMA_FIELDS=$(python3 -c "
import json
with open('infrastructure/k8s/helm/gistpin/values.schema.json') as f:
    schema = json.load(f)
def count_props(obj, path=''):
    count = 0
    if 'properties' in obj:
        for k, v in obj['properties'].items():
            count += 1 + count_props(v, f'{path}.{k}')
    return count
print('Schema defines', count_props(schema), 'validatable properties')
")
          echo "$SCHEMA_FIELDS"

      - name: Upload validation report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: helm-schema-validation
          path: |
            /tmp/values-dev.yaml
            /tmp/values-staging.yaml
            /tmp/values-prod.yaml
          retention-days: 14

      - name: Comment on PR if validation fails
        if: failure() && github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '❌ **Helm Schema Validation Failed**\n\nThe Helm values schema validation has detected issues. Please review the workflow run for details.\n\n' +
                    'Common issues:\n' +
                    '- Missing required fields\n' +
                    '- Invalid enum values (env must be dev/staging/prod)\n' +
                    '- Type mismatches in resource definitions\n' +
                    '- Invalid image pull policies'
            })