ml-vm-kv.json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "adminUsername": {
            "type": "string",
            "metadata": {
                "description": "Admin username for VM"
            }
        },
        "LoopCount": {
            "type": "int",
            "defaultValue": 2,
            "minValue": 2,
            "maxValue": 5,
            "metadata": {
                "description": "Number of VMs to deploy, limit 5 since this sample is using a single storage account"
            }
        },
        "vmCount": {
            "type": "array",
            "defaultValue": [
                2,
                2
            ]
        },
        "prefix": {
            "type": "array",
            "defaultValue": [
                "windows-",
                "ubuntu-"
            ]
        }
    },
    "variables": {
        "osLoop": [
            "Windows",
            "Ubuntu",
            "Windows"
        ]
    },
    "resources": [
        {
            "name": "[concat('nested-', copyIndex())]",
            "type": "Microsoft.Resources/deployments",
            "apiVersion": "2015-01-01",
            "copy": {
                "name": "nestedCopy",
                "count": "[parameters('LoopCount')]"
            },
            "properties": {
                "mode": "Incremental",
                "templateLink": {
                    "uri": "https://raw.githubusercontent.com/4c74356b41/armotron/master/ml-vm-kv-nst.json",
                    "contentVersion": "1.0.0.0"
                },
                "parameters": {
                    "adminUsername": {
                        "value": "[parameters('adminUsername')]"
                    },
                    "numberOfInstances": {
                        "value": "[parameters('vmCount')[copyIndex()]]"
                    },
                    "prefix": {
                        "value": "[parameters('prefix')[copyIndex()]]"
                    },
                    "OS": {
                        "value": "[variables('osLoop')[copyIndex()]]"
                    },
                    "adminPassword": {
                        "reference": {
                            "keyVault": {
                                "id": "/subscriptions/c6af39f7-0fce-432b-98cd-c34fe14e6a66/resourceGroups/testo/providers/Microsoft.KeyVault/vaults/vaulty"
                            },
                            "secretName": "[concat('secret', copyindex(1))]"
                        }
                    }
                }
            }
        }
    ]
}