VMSS+ManagedDisks+CustomImage+ARMTemplate

template.json

{
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01-preview/deploymentTemplate.json",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "vmSku": {
            "defaultValue": "Standard_DS2_V2",
            "type": "String",
            "metadata": {
                "description": "Size of VMs in the VM Scale Set."
            }
        },
        "vmssName": {
            "maxLength": 61,
            "type": "String",
            "metadata": {
                "description": "String used as a base for naming resources. Must be 3-61 characters in length and globally unique across Azure. A hash is prepended to this string for some resources, and resource-specific information is appended."
            }
        },
        "instanceCount": {
            "maxValue": 100,
            "type": "Int",
            "metadata": {
                "description": "Number of VM instances (100 or less)."
            }
        },
        "adminUsername": {
            "type": "String",
            "metadata": {
                "description": "Admin username on all VMs."
            }
        },
        "adminPassword": {
            "type": "SecureString",
            "metadata": {
                "description": "Admin password on all VMs."
            }
        },
        "osType": {
            "allowedValues": [
                "Windows",
                "Linux"
            ],
            "type": "String"
        }
    },
    "variables": {
        "namingInfix": "[toLower(substring(concat(parameters('vmssName'), uniqueString(resourceGroup().id)), 0, 9))]",
        "longNamingInfix": "[toLower(parameters('vmssName'))]",
        "vhdContainerName": "[concat(variables('namingInfix'), 'vhd')]",
        "addressPrefix": "10.0.0.0/16",
        "subnetPrefix": "10.0.0.0/24",
        "virtualNetworkName": "[concat(variables('namingInfix'), 'vnet')]",
        "publicIPAddressName": "[concat(variables('namingInfix'), 'pip')]",
        "subnetName": "[concat(variables('namingInfix'), 'subnet')]",
        "loadBalancerName": "[concat(variables('namingInfix'), 'lb')]",
        "publicIPAddressID": "[resourceId('Microsoft.Network/publicIPAddresses',variables('publicIPAddressName'))]",
        "lbID": "[resourceId('Microsoft.Network/loadBalancers',variables('loadBalancerName'))]",
        "natPoolName": "[concat(variables('namingInfix'), 'natpool')]",
        "bePoolName": "[concat(variables('namingInfix'), 'bepool')]",
        "natStartPort": 50000,
        "natEndPort": 50119,
        "natBackendPort": 22,
        "nicName": "[concat(variables('namingInfix'), 'nic')]",
        "ipConfigName": "[concat(variables('namingInfix'), 'ipconfig')]",
        "frontEndIPConfigID": "[concat(variables('lbID'),'/frontendIPConfigurations/loadBalancerFrontEnd')]",
        "computeApiVersion": "2016-04-30-preview",
        "networkApiVersion": "2016-03-30"
    },
    "resources": [
        {
            "type": "Microsoft.Network/virtualNetworks",
            "name": "[variables('virtualNetworkName')]",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "addressSpace": {
                    "addressPrefixes": [
                        "[variables('addressPrefix')]"
                    ]
                },
                "subnets": [
                    {
                        "name": "[variables('subnetName')]",
                        "properties": {
                            "addressPrefix": "[variables('subnetPrefix')]"
                        }
                    }
                ]
            }
        },
        {
            "type": "Microsoft.Network/publicIPAddresses",
            "name": "[variables('publicIPAddressName')]",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "publicIPAllocationMethod": "Dynamic",
                "dnsSettings": {
                    "domainNameLabel": "[variables('longNamingInfix')]"
                }
            }
        },
        {
            "type": "Microsoft.Network/loadBalancers",
            "name": "[variables('loadBalancerName')]",
            "apiVersion": "[variables('networkApiVersion')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "frontendIPConfigurations": [
                    {
                        "name": "LoadBalancerFrontEnd",
                        "properties": {
                            "publicIPAddress": {
                                "id": "[variables('publicIPAddressID')]"
                            }
                        }
                    }
                ],
                "backendAddressPools": [
                    {
                        "name": "[variables('bePoolName')]"
                    }
                ],
                "inboundNatPools": [
                    {
                        "name": "[variables('natPoolName')]",
                        "properties": {
                            "frontendIPConfiguration": {
                                "id": "[variables('frontEndIPConfigID')]"
                            },
                            "protocol": "tcp",
                            "frontendPortRangeStart": "[variables('natStartPort')]",
                            "frontendPortRangeEnd": "[variables('natEndPort')]",
                            "backendPort": "[variables('natBackendPort')]"
                        }
                    }
                ]
            },
            "dependsOn": [
                "[concat('Microsoft.Network/publicIPAddresses/', variables('publicIPAddressName'))]"
            ]
        },
        {
            "type": "Microsoft.Compute/virtualMachineScaleSets",
            "sku": {
                "name": "[parameters('vmSku')]",
                "tier": "Standard",
                "capacity": "[parameters('instanceCount')]"
            },
            "name": "[variables('namingInfix')]",
            "apiVersion": "[variables('computeApiVersion')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "overprovision": "true",
                "upgradePolicy": {
                    "mode": "Manual"
                },
                "virtualMachineProfile": {
                    "storageProfile": {
                        "imageReference": {
                            "id": "/subscriptions/<subid>/resourceGroups/<rgname>/providers/Microsoft.Compute/images/<imagename>"
                        }
                    },
                    "osProfile": {
                        "computerNamePrefix": "[variables('namingInfix')]",
                        "adminUsername": "[parameters('adminUsername')]",
                        "adminPassword": "[parameters('adminPassword')]"
                    },
                    "networkProfile": {
                        "networkInterfaceConfigurations": [
                            {
                                "name": "[variables('nicName')]",
                                "properties": {
                                    "primary": "true",
                                    "ipConfigurations": [
                                        {
                                            "name": "[variables('ipConfigName')]",
                                            "properties": {
                                                "subnet": {
                                                    "id": "[concat('/subscriptions/', subscription().subscriptionId,'/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'), '/subnets/', variables('subnetName'))]"
                                                },
                                                "loadBalancerBackendAddressPools": [
                                                    {
                                                        "id": "[concat('/subscriptions/', subscription().subscriptionId,'/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/loadBalancers/', variables('loadBalancerName'), '/backendAddressPools/', variables('bePoolName'))]"
                                                    }
                                                ],
                                                "loadBalancerInboundNatPools": [
                                                    {
                                                        "id": "[concat('/subscriptions/', subscription().subscriptionId,'/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/loadBalancers/', variables('loadBalancerName'), '/inboundNatPools/', variables('natPoolName'))]"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            },
            "dependsOn": [
                "[concat('Microsoft.Network/loadBalancers/', variables('loadBalancerName'))]",
                "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
            ]
        }
    ]
}

Hi,

Can we use this template for a custom Linux image. Also, how can we update the template to require for an SSH key instead of password for accessing admin user.

Thanks in advance!