kind: Service
apiVersion: v1
metadata:
  name: my-service
spec:
  type: ExternalName
  externalName: test-service.namespacename.svc.cluster.local

nifi_chart = Chart(
    'nifi',
    ChartOpts(
        namespace="nifi",
        resource_prefix=stack_name,
        chart='nifi',
        version="v0.7.8",
        fetch_opts={'repo': '<https://cetic.github.io/helm-charts>'},
        values={
            "resources": {
                "requests": {
                    "cpu": "2000m",
                    "memory": "8Gi"
                },