implement retrieval of IP address from Ingress resource if DNS CR has the following spec: ```yaml spec: value: ref: ingressName: nameOfIngress ``` Throw an error if both `literal` and `ref` stanzas are defined in `spec.value`
implement retrieval of IP address from Ingress resource if DNS CR has the following spec:
Throw an error if both
literalandrefstanzas are defined inspec.value