Script to create custom ESXi ISO w/o vCenter

Author: William Lam

powershell/create_custom_esxi_iso.ps1

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+# Author: William Lam
+# Website: www.williamlam.com
+
+# Path to ESXi Base Offline Image
+$ESXIBaseImagePath = "C:\Users\william\Desktop\custom-esxi-image\VMware-ESXi-7.0U3c-19193900-depot.zip"
+
+# List of ESXi Offline Bundle Paths
+$ESXIDriverPaths = @(
+"C:\Users\william\Desktop\custom-esxi-image\Net-Community-Driver_1.2.2.0-1vmw.700.1.0.15843807_18835109.zip",
+"C:\Users\william\Desktop\custom-esxi-image\nvme-community-driver_1.0.1.0-3vmw.700.1.0.15843807-component-18902434.zip"
+)
+
+$ESXICustomIsoSpec = "C:\Users\william\Desktop\custom-esxi-image\spec.json"
+
+$ESXICustomIsoPath = "C:\Users\william\Desktop\custom-esxi-image\custom.iso"
+
+##### DO NOT EDIT BEYOND HERE #####
+
+if($PSVersionTable.PSEdition -ne "Desktop") {
+    Write-Error "This script is only supported with PowerShell on Windows`n"
+    exit
+}
+
+Write-Host -Foreground cyan "Processing ESXi Base Image $ESXIDriver ..."
+$ESXIBaseImageVersion = (Get-DepotBaseImages -Depot $ESXIBaseImagePath).Version
+
+# Build list of Components from ESXi Drivers
+$components = @{}
+foreach ($ESXIDriver in $ESXIDriverPaths) {
+    Write-Host -Foreground cyan "Processing ESXi Driver $ESXIDriver ..."
+    $component = (Get-DepotComponents -Depot $ESXIDriver) | Select Name, Version
+    $components.Add(${component}.name,${component}.version)
+}
+
+# Create Software Spec
+$spec = [ordered] @{
+    base_image = @{
+        version = $ESXIBaseImageVersion
+    }
+    components = $components
+}
+$spec | ConvertTo-Json | Set-Content -NoNewline -Path $ESXICustomIsoSpec
+
+# Build Depo List
+$ESXIDepots = '"' + $(($ESXIDriverPaths+=$ESXIBaseImagePath) -join '","') + '"'
+
+# Create New Custom ISO
+Write-Host -Foreground green "`nCreating Custom ESXi ISO and saving to ${ESXICustomIsoPath} ...`n"
+Invoke-Expression "New-IsoImage -Depots $ESXIDepots -SoftwareSpec $ESXICustomIsoSpec -Destination $ESXICustomIsoPath"