buildPodRef creates a unique key with the {podName, namespace, UID}
tuple. By omitting the UID in the metric, duplicate metrics can be sent
to prometheus causing 500's on the /metrics endpoint.
buildPodRef creates a unique key with the {podName, namespace, UID}
tuple. By omitting the UID in the metric, duplicate metrics can be sent
to prometheus causing 500's on the /metrics endpoint.