Fix Data Disk Initialization for Single Disk VMs

[brianvanderlugt]

Purpose

• Fixes initializing VM data disks when there is only 1 OS disk as part of the VM image.

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

When deploying a VMSS with the following vmSku and image reference, this script failed to initialize my disk as there is only the C: drive and no Temp D: drive.

    "type": "Microsoft.Compute/virtualMachineScaleSets",
      "apiVersion": "2020-12-01",
      "location": "westus",
      "dependsOn": [],
      "sku": {
        "name": "Standard_D4s_v4",
        "tier": "Standard",
        "capacity": "3"
      },
      "properties": {
        "virtualMachineProfile": {
          "priority": "Regular",
          "storageProfile": {
            "imageReference": {
              "publisher": "MicrosoftWindowsServer",
              "offer": "WindowsServer",
              "sku": "2019-Datacenter-with-Containers",
              "version": "latest"
           },
      }
}