Make a network interface for instance creation
gce_make_network(name, network = "default", externalIP = NULL,
project = gce_get_global_project())
Name of the access config
Name of network resource
An external IP you have created previously, leave NULL to have one assigned or "none" for none
Project ID for this request
You need to provide accessConfig explicitly if you want an ephemeral IP assigned, see https://cloud.google.com/compute/docs/vm-ip-addresses
A Network object