[Ubuntu] Implement new directories hierarchy (#8627)

images/ubuntu/scripts/build/Install-PowerShellModules.ps1

@@ -0,0 +1,34 @@
+$ErrorActionPreference = "Stop"
+$ProgressPreference = "SilentlyContinue"
+
+Import-Module "$env:HELPER_SCRIPTS/Tests.Helpers.psm1" -DisableNameChecking
+
+# Specifies the installation policy
+Set-PSRepository -InstallationPolicy Trusted -Name PSGallery
+
+# Try to update PowerShellGet before the actual installation
+Install-Module -Name PowerShellGet -Force
+Update-Module -Name PowerShellGet -Force
+
+# Install PowerShell modules
+$modules = (Get-ToolsetContent).powershellModules
+
+foreach($module in $modules)
+{
+    $moduleName = $module.name
+    Write-Host "Installing ${moduleName} module"
+
+    if ($module.versions)
+    {
+        foreach ($version in $module.versions)
+        {
+            Write-Host " - $version"
+            Install-Module -Name $moduleName -RequiredVersion $version -Scope AllUsers -SkipPublisherCheck -Force
+        }
+        continue
+    }
+
+    Install-Module -Name $moduleName -Scope AllUsers -SkipPublisherCheck -Force
+}
+
+Invoke-PesterTests -TestFile "PowerShellModules" -TestName "PowerShellModules"