{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "adminUsername": {
            "type": "string",
            "metadata": {
                "description": "Username for the Virtual Machine."
            }
        },
        "adminPassword": {
            "type": "securestring",
            "metadata": {
                "description": "Password for the Virtual Machine."
            }
        },
        "numberOfInstances": {
            "type": "string",
            "metadata": {
                "description": "Number of VMs to deploy."
            }
        },
        "vmName": {
            "type": "string",
            "metadata": {
                "description": "Name Prefix for the Virtual Machine."
            }
        },
        "vmSize": {
            "type": "string",
            "defaultValue": "Standard_DS2_v2",
            "allowedValues": [
                "Basic_A3",
                "Standard_DS2_v2",
                "Standard_A4",
                "Standard_A5",
                "Standard_A6",
                "Standard_A7",
                "Standard_A8",
                "Standard_A9",
                "Standard_A10",
                "Standard_A11",
                "Standard_D3_v2",
                "Standard_D4_v2",                
                "Standard_DS3_v2",
                "Standard_DS4_v2",
                "Standard_D12_v2",
                "Standard_D13_v2",
                "Standard_D14_v2"
            ],
            "metadata": {
                "description": "Size for the Virtual Machine."
            }
        }
    },
    "variables": {
        "location": "[resourceGroup().location]",
        "numberOfInstances": "[int(parameters('numberOfInstances'))]",
        "imagePublisher": "microsoft-ads",
        "imageOffer": "standard-data-science-vm",
        "OSDiskName": "osdiskforwindowssimple",
        "sku": "standard-data-science-vm",
        "nicName": "[parameters('vmName')]",
        "addressPrefix": "10.0.0.0/16",
        "subnetName": "Subnet",
        "subnetPrefix": "10.0.0.0/24",
        "storageAccountType": "Standard_LRS",
        "storageAccountName": "[concat(uniquestring(resourceGroup().id), 'windsvm')]",
        "publicIPAddressType": "Dynamic",
        "publicIPAddressName": "[parameters('vmName')]",
        "vmStorageAccountContainerName": "vhds",
        "vmName": "[parameters('vmName')]",
        "vmSize": "[parameters('vmSize')]",
        "virtualNetworkName": "[parameters('vmName')]",
        "vnetID": "[resourceId('Microsoft.Network/virtualNetworks',variables('virtualNetworkName'))]",
        "subnetRef": "[concat(variables('vnetID'),'/subnets/',variables('subnetName'))]"
    },
    "resources": [
        {
            "type": "Microsoft.Storage/storageAccounts",
            "name": "[variables('storageAccountName')]",
            "apiVersion": "2015-05-01-preview",
            "location": "[variables('location')]",
            "properties": {
                "accountType": "[variables('storageAccountType')]"
            }
        },
        {
            "apiVersion": "2015-05-01-preview",
            "type": "Microsoft.Network/publicIPAddresses",
            "name": "[concat(variables('publicIPAddressName'), copyindex())]",
            "location": "[variables('location')]",
            "copy": {
                "name": "publicIPLoop",
                "count": "[variables('numberOfInstances')]"
            },
            "properties": {
                "publicIPAllocationMethod": "[variables('publicIPAddressType')]",
                "dnsSettings": {
                    "domainNameLabel": "[concat(variables('publicIPAddressName'), copyindex())]"
                }
            }
        },
        {
            "apiVersion": "2015-05-01-preview",
            "type": "Microsoft.Network/virtualNetworks",
            "name": "[variables('virtualNetworkName')]",
            "location": "[variables('location')]",
            "properties": {
                "addressSpace": {
                    "addressPrefixes": [
                        "[variables('addressPrefix')]"
                    ]
                },
                "subnets": [
                    {
                        "name": "[variables('subnetName')]",
                        "properties": {
                            "addressPrefix": "[variables('subnetPrefix')]"
                        }
                    }
                ]
            }
        },
        {
            "apiVersion": "2015-05-01-preview",
            "type": "Microsoft.Network/networkInterfaces",
            "name": "[concat(variables('nicName'), copyindex())]",
            "location": "[variables('location')]",
            "copy": {
                "name": "nicLoop",
                "count": "[variables('numberOfInstances')]"
            },
            "dependsOn": [
                "[concat('Microsoft.Network/publicIPAddresses/', concat(variables('publicIPAddressName'),copyindex()))]",
                "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
            ],
            "properties": {
                "ipConfigurations": [
                    {
                        "name": "ipconfig1",
                        "properties": {
                            "privateIPAllocationMethod": "Dynamic",
                            "publicIPAddress": {
                                "id": "[resourceId('Microsoft.Network/publicIPAddresses',concat(variables('publicIPAddressName'),copyindex()))]"
                            },
                            "subnet": {
                                "id": "[variables('subnetRef')]"
                            }
                        }
                    }
                ]
            }
        },
        {
            "apiVersion": "2015-06-15",
            "type": "Microsoft.Compute/virtualMachines",
            "name": "[concat(variables('vmName'), copyIndex())]",
            "location": "[variables('location')]",
            "copy": {
                "name": "virtualMachineLoop",
                "count": "[variables('numberOfInstances')]"
            },
            "plan": {
                "name": "standard-data-science-vm",
                "publisher": "microsoft-ads",
                "product": "standard-data-science-vm"
            },
            "tags": {
                "Application": "DataScience"
            },
            "dependsOn": [
                "[concat('Microsoft.Storage/storageAccounts/', variables('storageAccountName'))]",
                "[concat('Microsoft.Network/networkInterfaces/', variables('nicName'), copyindex())]"
            ],
            "properties": {
                "hardwareProfile": {
                    "vmSize": "[variables('vmSize')]"
                },
                "osProfile": {
                    "computerName": "[concat(variables('vmName'), copyIndex())]",
                    "adminUsername": "[parameters('adminUsername')]",
                    "adminPassword": "[parameters('adminPassword')]"
                },
                "storageProfile": {
                    "imageReference": {
                        "publisher": "[variables('imagePublisher')]",
                        "offer": "[variables('imageOffer')]",
                        "sku": "[variables('sku')]",
                        "version": "latest"
                    },
                    "osDisk": {
                        "name": "osdisk",
                        "vhd": {
                            "uri": "[concat('http://',variables('storageAccountName'),'.blob.core.windows.net/',variables('vmStorageAccountContainerName'),'/',variables('OSDiskName'), variables('vmName'), copyIndex(), '.vhd')]"
                        },
                        "caching": "ReadWrite",
                        "createOption": "FromImage"
                    }
                },
                "networkProfile": {
                    "networkInterfaces": [
                        {
                            "id": "[resourceId('Microsoft.Network/networkInterfaces',concat(variables('nicName'), copyindex()))]"
                        }
                    ]
                },
                "diagnosticsProfile": {
                    "bootDiagnostics": {
                        "enabled": "true",
                        "storageUri": "[concat('http://',variables('storageAccountName'),'.blob.core.windows.net')]"
                    }
                }
            }
        }
    ],
    "outputs": {
        "firstDataScienceVmUrl": { "type": "string", "value": "[concat('https://ms.portal.azure.com/#resource/subscriptions/', subscription().subscriptionId, '/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Compute/virtualMachines/', variables('vmName'), '0')]" },
        "numInstances": { "type": "string", "value": "[parameters('numberOfInstances')]" }
    }
}