runtime:
    components:
      pilot:
        deployment:
          replicas: 2
        pod:
          affinity:
            podAntiAffinity:
              requiredDuringScheduling:
              - key: app
                operator: In
                topologyKey: kubernetes.io/hostname
                values:
                - istiod
          metadata:
            labels:
              foo: bar
    defaults:
      pod:
        tolerations:
        - effect: NoExecute
          key: node.kubernetes.io/unreachable
          operator: Exists
          tolerationSeconds: 60