Name   : get_vm_spec
Input  : none
Output : list of dictionary as shown in sample output

number_of_vm  : 10	# integer
common_prefix : VM	# string

'''

	Individual fields for each VM
	---------- ------ --- ---- --

	Id					: 01		# integer
	name 				: VM01 	# string - common_prefix + Id
	memory_per_vm 	: 1000 	# integer - unit in bytes
	vcpu_per_vm 	: 3		# integer
	pci_device 		: nic		# string	- allow upper & lower case

	vm_ip_address 	: 192.168.1.1 # string

'''

Sample Output
------ ------
[
	{
		Id					: 01
		name 				: VM01
		memory_per_vm 	: 1000
		vcpu_per_vm 	: 3
		pci_device 		: nic
		
		vm_ip_address 	: 192.168.1.1
	},
	{
		Id					: 02
		name 				: VM02
		memory_per_vm 	: 1010
		vcpu_per_vm 	: 1
		pci_device 		: QAT
		
		vm_ip_address 	: 192.168.1.2
	},
	{
		Id					: 03
		name 				: VM03
		memory_per_vm 	: 3010
		vcpu_per_vm 	: 2
		pci_device 		: nic
		
		vm_ip_address 	: 192.168.1.3
	}
]