istio/src/istiod-pdb.yaml

apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
  name: istiod
  namespace: istio-system
  labels:
    app: istiod
    istio.io/rev: default
    release: istio
    istio: pilot
spec:
  minAvailable: 1
  selector:
    matchLabels:
      app: istiod
      istio: pilot