Add script to forcefully remove ebpf-for-windows (#3441)

Signed-off-by: Alan Jowett <[email protected]>
Co-authored-by: Alan Jowett <[email protected]>

scripts/Cleanup-Installer.ps1

@@ -0,0 +1,42 @@
+# Copyright (c) Microsoft Corporation
+# SPDX-License-Identifier: MIT
+
+# This script exists to forcefully remove all eBPF components when an uninstall is not possible.
+# This script is not intended to be run on a production system. It is intended to be run on a test system where the eBPF components are being tested.
+
+# Find the registry key for the eBPF for Windows product and remove it.
+$keyName = (Get-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\*\InstallProperties" | Where-Object { $_.GetValue("DisplayName") -eq "eBPF for Windows"}).Name
+if ($keyName.Length -gt 0) {
+  $keyName = $keyName.Substring(0, $keyName.LastIndexOf("\"))
+  $registryPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\" + $keyName.Substring($keyName.LastIndexOf("\") + 1)
+  Remove-Item -Path $registryPath -Recurse
+}
+
+# Find the registry key for the eBPF for Windows product and remove it.
+$keyName = (Get-Item -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*" | Where-Object { $_.GetValue("DisplayName") -eq "eBPF for Windows"}).Name
+if ($keyName.Length -gt 0) {
+  $keyName = $keyName.SubString($keyName.LastIndexOf("\") + 1)
+  $registryPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\" + $keyName
+  Remove-Item -Path $registryPath -Recurse
+}
+
+# Stop and remove the eBPF services.
+net.exe stop ebpfsvc
+sc.exe delete ebpfsvc
+
+# Stop and remove the eBPF core driver.
+net.exe stop ebpfcore
+sc.exe delete ebpfcore
+
+# Stop and remove the eBPF extension driver.
+net.exe stop netebpfext
+sc.exe delete netebpfext
+
+# Remove the eBPF for Windows installation directory.
+$installPath = "C:\Program Files\ebpf-for-windows"
+if (Test-Path $installPath) {
+  Remove-Item -Path "C:\Program Files\ebpf-for-windows" -Recurse -Force
+}
+
+# Set the exit code to 0 to indicate success.
+$global:LASTEXITCODE = 0