cni:
  flannel:
    # https://github.com/flannel-io/flannel/blob/master/Documentation/backends.md
    values: |
      # flannel helm values 
      podCidr: {{ .cni.ipv4_pod_cidr }}
      podCidrv6: {{ .cni.ipv6_pod_cidr }}
      flannel:
        image:
          repository: {{ .image_registry.dockerio_registry }}/flannel/flannel
        image_cni:
          repository: {{ .image_registry.dockerio_registry }}/flannel/flannel-cni-plugin
        # support "vxlan" and "host-gw"
        backend: vxlan