kyverno/test/conformance/kuttl/validate/e2e/adding-key-to-config-map/01-manifests.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: test-validate-e2e-adding-key-to-config-map
---
apiVersion: kyverno.io/v1
kind: Policy
metadata:
  name: configmap-policy
  namespace: test-validate-e2e-adding-key-to-config-map
spec:
  background: false
  failurePolicy: Fail
  validationFailureAction: Enforce
  rules:
    - match:
        all:
          - resources:
              kinds:
                - ConfigMap
      name: key-abc
      preconditions:
        all:
          - key: "admin"
            operator: Equals
            value: "{{ request.object.data.lock || '' }}"
      validate:
        anyPattern:
          - data:
              key: "abc"
        message: Configmap key must be "abc"
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: test-configmap
  namespace: test-validate-e2e-adding-key-to-config-map
data:
  key: xyz