initial-deploy.json

{
	"$schema": "http://schema.management.azure.com/schemas/2016-09-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
  	"deploymentPrefix": {
   		"type": "string",
   		"metadata": {
   			"description": "Deployment Prefix name.  Added to the beginning of each resource."
   		}
   	},
   	"storageAccountName": {
   		"type": "string",
   		"metadata": {
   			"description": "The storage account that will be created where the VHDs will be saved."
   		}
   	},
  	"clusterSize": {
   		"type": "int",
    	"minValue": 3,
    	"metadata": {
      	"description": "Number of initial nodes to create in cluster.  Default created will be 3." 
    	}
   	}
  },
  "variables": {
    "storageAccountName": "[concat(parameters('deploymentPrefix'), 'vhdsa')]",
    "location": "[resourceGroup().location]",
    "vnetName": "[concat(parameters('deploymentPrefix'), '-vnet')]",
    "subnetName": "default",
    "addressSpace": "10.0.0",
    "vnetPrefix": "[concat(variables('addressSpace'), '.0', '/16')]",
    "subnetPrefix": "[concat(variables('addressSpace'), '.0', '/24')]",
    "vnetId": "[resourceId(resourceGroup().name,'Microsoft.Network/virtualNetworks', variables('vnetName'))]",
    "subnetId": "[concat(variables('vnetId'), '/subnets/', variables('subnetName'))]",
    "nsgName": "[concat(resourceGroup().name, '-nsg')]",
    "nsgID": "[resourceId(resourceGroup().name, 'Microsoft.Network/networkSecurityGroups', variables('nsgName'))]",
    "ipAddressArray": []
  },
  "resources": [
    {
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[variables('vnetName')]",
      "apiVersion": "2016-09-01",
      "location": "[variables('location')]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[variables('vnetPrefix')]"
          ]
        },
        "subnets": [
          {
            "name": "[variables('subnetName')]",
            "properties": {
              "addressPrefix": "[variables('subnetPrefix')]"
            }
          }
        ]
      }
    },
    {
      "type": "Microsoft.Network/networkSecurityGroups",
      "name": "[variables('nsgName')]",
      "apiVersion": "2016-09-01",
      "location": "[variables('location')]",
      "properties": {
        "securityRules": [
          {
            "name": "default-allow-ssh",
            "properties": {
              "priority": 1000,
              "sourceAddressPrefix": "*",
              "protocol": "TCP",
              "destinationPortRange": "22",
              "access": "Allow",
              "direction": "Inbound",
              "sourcePortRange": "*",
              "destinationAddressPrefix": "*"
            }
          }
        ]
      }
    },
    {
      "type": "Microsoft.Resources/deployments", 
      "name": "networkInterfaceTemplate0",
      "apiVersion": "2016-09-01",
      "properties": {
        "mode": "incremental",
        "parameters": {
          "deploymentPrefix": {"value": "[parameters('deploymentPrefix')]"},
          "indexCount": {"value": 0},
          "subnetId": {"value": "[parameters('subnetId')]"},
          "nsgID": {"value": "parameters('nsgID"}
        },
        "templateLink": {
          "uri": "https://gist.githubusercontent.com/raykao/528f10ad393f9cc4dcbe22335ab807c5/raw/dc7c8230624571d4681ba6840f67051f5222aacf/network-interfaces.arm.template.json",
          "contentVersion": "1.0.0.0"
        }
      },
      "dependsOn": [
        "[concat('Microsoft.Network/virtualNetworks/', variables('vnetName'))]",
        "[concat('Microsoft.Network/networkSecurityGroups/', variables('nsgName'))]"
      ]
    },
    {
      "type": "Microsoft.Resources/deployments", 
      "name": "[concat('networkInterfaceTemplate', copyIndex(1))]",
      "apiVersion": "2016-09-01",
      "copy": {  
        "count": "[parameters('clusterSize')]",
        "name": "nicCopy"
      },
      "properties": {
        "mode": "incremental",
        "parameters": {
          "deploymentPrefix": {"value": "[parameters('deploymentPrefix')]"},
          "indexCount": {"value": "[copyIndex(1)]"},
          "ipAddressArray":  {"value": "[reference(concat('networkInterfaceTemplate', copyIndex())).outputs.ipAddresses.value]"},
          "subnetId": {"value": "[parameters('subnetId')]"},
          "nsgID": {"value": "parameters('nsgID"}
        },
        "templateLink": {
          "uri": "https://gist.githubusercontent.com/raykao/528f10ad393f9cc4dcbe22335ab807c5/raw/dc7c8230624571d4681ba6840f67051f5222aacf/network-interfaces.arm.template.json",
          "contentVersion": "1.0.0.0"
        }
      },
      "dependsOn": [
        "[variables('vnetName')]",
        "[concat('Microsoft.Network/networkSecurityGroups/', variables('nsgName'))]",
        "networkInterfaceTemplate0"
      ]
    }
  ],
  "outputs": {
    "results": {
      "type": "array",
      "value": "[reference(concat('networkInterfaceTemplate', sub(parameters('clusterSize'), 1) ) ).outputs.ipaddresses.value]"
    }
  }
}