name=<Name of the instance>
location=<Location to deploy the instance>
rgname=<Name of resource group containing this VM instance>
createrg=<n if the resource group is allocated already, y if it needs to be provisioned>
storename=<Name of the storage account to create the instance disks>
createstorage=<If storage account is already provisioned, set this to n. Else set it to y>
vnetname=<Name of the virtual network to which this instance is associated>
vnetprefix=<CIDR prefix for the virtual network>
subnetname=<Name of the subnet in virtual network to which this instance is associated>
subnetprefix=<CIDR prefix for the subnet>
niccount=<Number of nic attached to the instance>
vmsize=<Instance type according to azure machine specifications>

datadisk=<Values Copy/Attach/Create/Ignore. Default is Copy. Copy from srcDataURI and attach. Attach for attaching an existing disk, create for creating a new disk, ignore to create instance without data disk>
datadisksize=<If create option is provided, add this option to set the size of disk to be created>
srcDataURI=<If attach option is provided for data disk, this option should be set to the vhd to be attached to the vm>
srcOsURI=<The image for initializing the VM>
dstStorageURI=<URI to the storage account where the os and data disks for this VM are to be placed>
dstContainer=<Container holding the vhd files for the VM>