kyverno/samples/best_practices/require_namespace_quota.yaml

apiVersion: kyverno.io/v1alpha1
kind: ClusterPolicy
metadata:
  name: generate-namespace-quota
  annotations:
    policies.kyverno.io/category: Resource Quota
    policies.kyverno.io/description: To limit the number of objects, as well as the 
      total amount of compute that may be consumed by an application, it is important 
      to create resource limits and quotas for each namespace.
spec:
  rules:
  - name: generate-namespace-quota
    match:
      resources:
        kinds:
        - Namespace
    generate:
      kind: ResourceQuota
      name: "defaultresourcequota"
      data:
        spec:
          hard:
            requests.cpu: 4
            requests.memory: 16Gi
            limits.cpu: 4
            limits.memory: 16Gi