policies/opa/classic/configmaps/1-main.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: opa-default-system-main
  namespace: opa
  labels:
    app: opa
    owner: jimmy
    openpolicyagent.org/policy: rego
data:
  main: |
    package system

    import data.kubernetes.admission

    main = {
      "apiVersion": "admission.k8s.io/v1beta1",
      "kind": "AdmissionReview",
      "response": response,
    }

    default uid = ""

    uid = input.request.uid

    response = {
        "allowed": false,
        "uid": uid,
        "status": {
            "reason": reason,
        },
    } {
        reason = concat(", ", admission.deny)
        reason != ""
    }
    else = {"allowed": true, "uid": uid}