createUiDefinition.json

{
  "$schema": "https://schema.management.azure.com/schemas/0.1.2-preview/CreateUIDefinition.MultiVm.json#",
  "handler": "Microsoft.Compute.MultiVm",
  "version": "0.1.2-preview",
  "parameters": {
    "basics": [
      {
        "name": "name",
        "type": "Microsoft.Common.TextBox",
        "label": "Name",
        "toolTip": "Name of the virtual machine to that will be provisioned.  This should be less than 15 characters in length.",
        "constraints": {
          "required": true,
          "regex": "^[a-z][a-z0-9-]{1,14}$",
          "validationMessage": "Name should be between 1 and 15 characters in length"
        }
      },
      {
        "name": "vmstorageperf",
        "type": "Microsoft.Common.DropDown",
        "label": "VM disk type",
        "toolTip": "Premium disks (SSD) are backed by solid state drives and offer consistent, low-latency performance. They provide the best balance between price and performance, and are ideal for I/O-intensive applications and production workloads. Standard disks (HDD) are backed by magnetic drives and are preferable for applications where data is accessed infrequently. Zone-redundant disks are backed by Zone redundant storage (ZRS) that replicates your data across multiple zones and are available even if a single zone is down.",
        "defaultValue": "Premium SSD",
        "constraints": {
          "allowedValues": [
            {
              "label": "Premium SSD",
              "value": "Premium"
            },
            {
              "label": "Standard HDD",
              "value": "Standard"
            }
          ]
        }
      },
      {
        "name": "username",
        "type": "Microsoft.Compute.UserNameTextBox",
        "label": "VM user name",
        "toolTip": "Root administrator name for the virtual machine",
        "osPlatform": "Linux",
        "constraints": {
          "required": true,
          "regex": "^[a-z][a-z0-9-]{1,15}$",
          "validationMessage": "Name should be between 1 and 15 characters in length"
        }
      },
      {
        "name": "adminCredentials",
        "type": "Microsoft.Compute.CredentialsCombo",
        "label": {
          "authenticationType": "Authentication type",
          "password": "Password",
          "confirmPassword": "Confirm password",
          "sshPublicKey": "SSH public key"
        },
        "toolTip": {
          "authenticationType": "",
          "password": "VM password must be 12 characters and have 3 of the following: 1 lower case character, 1 upper case character, 1 number, and 1 special character.",
          "sshPublicKey": ""
        },
        "constraints": {
          "required": true
        },
        "options": {
          "hideConfirmation": false
        },
        "osPlatform": "Linux"
      }
    ],
    "steps": [
      {
        "name": "size",
        "label": "Size",
        "subLabel": {
          "preValidation": "Choose virtual machine size",
          "postValidation": "Done"
        },
        "bladeTitle": "Size",
        "elements": [
          {
            "name": "vmSize",
            "type": "Microsoft.Compute.SizeSelector",
            "label": "Virtual machine size",
            "toolTip": "",
            "recommendedSizes": [
              "Standard_D2s_v3",
              "Standard_D4s_v3",
              "Standard_E2s_v3"
            ],
            "constraints": {
              "allowedSizes": [
                "Standard_D2s_v3",
                "Standard_D4s_v3",
                "Standard_D8s_v3",
                "Standard_D16s_v3",
                "Standard_D32s_v3",
                "Standard_E2s_v3",
                "Standard_E4s_v3"
              ]
            },
            "osPlatform": "Linux",
            "count": 1
          }
        ]
      }
    ],
    "outputs": {
      "vmName": "[basics('name')]",
      "authType": "[basics('adminCredentials').authenticationType]",
      "adminUsername": "[basics('adminUsername')]",
      "adminPassword": "[basics('adminCredentials').password]",
      "adminSSHKey": "[basics('adminCredentials').sshPublicKey]",
      "vmStoragePerformance": "[basics('vmstorageperf')]",
      "vmSize": "[steps('size').vmSize]",
      "location": "[location()]"
    }
  }
}