http://vthinkbeyondvm.com/getting-started-with-vcenter-server-rest-apis-using-python/
https://blogs.vmware.com/developer/2017/01/getting-started-vsphere-api-explorer.html
https://blogs.vmware.com/code/2017/02/02/getting-started-vsphere-automation-sdk-rest/
https://blog.dchidell.com/2016/11/23/vcenter-6-5-rest-api-w-python/
https://www.jacobtomlinson.co.uk/vmware/2016/06/22/using-vmware-esxi-vsphere-python-api/ (Tested OK)
https://code.vmware.com/apis/358/vsphere#/doc/right-pane.html