flux/bootstrap/kustomizations/kustomization-metallb.yaml

apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
kind: Kustomization
metadata:
  name: metallb--metallb-system
  namespace: flux-system
spec:
  interval: 15m
  path: metallb-system
  prune: true # remove any elements later removed from the above path
  timeout: 2m # if not set, this defaults to interval duration, which is 1h
  sourceRef:
    kind: GitRepository
    name: flux-system
  validation: server
  healthChecks:
    - apiVersion: apps/v1
      kind: Deployment
      name: controller
      namespace: metallb-systemf