name: Deploy DNS Records
on:
  push:
    branches: [main]
    paths: [records.yaml]

jobs:
  deploy:
    runs-on: self-hosted
    steps:
      - uses: actions/checkout@v4

      - name: Setup kubeconfig
        run: |
          mkdir -p ~/.kube
          echo "${{ secrets.KUBECONFIG }}" | base64 -d > ~/.kube/config
          chmod 600 ~/.kube/config

      - name: Install kubectl
        run: |
          if ! command -v kubectl &>/dev/null; then
            curl -sLO "https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
            sudo install kubectl /usr/local/bin/kubectl
          fi
          kubectl version --client

      - name: Generate and apply CoreDNS configmap
        run: |
          chmod +x generate.sh
          ./generate.sh records.yaml > /tmp/coredns-custom.yaml
          echo "--- Generated configmap ---"
          cat /tmp/coredns-custom.yaml
          echo "--- Applying ---"
          kubectl apply -f /tmp/coredns-custom.yaml
          kubectl rollout restart deployment/coredns -n kube-system
          kubectl rollout status deployment/coredns -n kube-system --timeout=60s
          echo "DNS records applied successfully"