Initial commit for getting patches

src/windows/win-get-patches.ps1

@@ -0,0 +1,114 @@
+######################################################################################################
+<#
+# .SYNOPSIS
+#   Get installed Windows patches for the nested Hyper-V server on a Rescue VM.
+#
+# .DESCRIPTION
+#   Get installed Windows patches for the nested Hyper-V server on a Rescue VM using. This will be helpful if the attached OS disk is from a VM that is in a nonboot state due to corrupted/failing updates.
+
+Public doc: 
+#
+# .EXAMPLE
+#	<# Get installed patches #>
+#   az vm repair run -g 'sourceRG' -n 'sourceVM' --run-id 'win-get-patches' --verbose --run-on-repair
+#
+# .NOTES
+#   Author: Ryan McCallum
+#
+# .VERSION
+#   v0.1: Initial commit
+#>
+#######################################################################################################
+
+# Initialize script
+ . .\src\windows\common\setup\init.ps1
+ . .\src\windows\common\helpers\Get-Disk-Partitions.ps1
+
+# Declare variables
+$scriptStartTime = get-date -f yyyyMMddHHmmss
+$scriptPath = split-path -path $MyInvocation.MyCommand.Path -parent
+$scriptName = (split-path -path $MyInvocation.MyCommand.Path -leaf).Split('.')[0]
+$logFile = "$env:PUBLIC\Desktop\$($scriptName).log"
+$scriptStartTime | Tee-Object -FilePath $logFile -Append
+Log-Output "START: Running script win-get-patches" | Tee-Object -FilePath $logFile -Append
+
+try {
+    
+    # Make sure guest VM is shut down if it exists
+    $features = get-windowsfeature -ErrorAction Stop
+    $hyperv = $features | where Name -eq 'Hyper-V'
+    $hypervTools = $features | where Name -eq 'Hyper-V-Tools'
+    $hypervPowerShell = $features | where Name -eq 'Hyper-V-Powershell'
+    $dhcp = $features | where Name -eq 'DHCP'
+    $rsatDhcp = $features | where Name -eq 'RSAT-DHCP'
+
+    if ($hyperv.Installed -and $hypervTools.Installed -and $hypervPowerShell.Installed) {
+        $guestHyperVVirtualMachine = Get-VM
+        $guestHyperVVirtualMachineName = $guestHyperVVirtualMachine.VMName
+        if ($guestHyperVVirtualMachine) {
+            if ($guestHyperVVirtualMachine.State -eq 'Running') {
+                Log-Output "#01 - Stopping nested guest VM $guestHyperVVirtualMachineName" | Tee-Object -FilePath $logFile -Append
+                Stop-VM $guestHyperVVirtualMachine -ErrorAction Stop -Force
+            }
+        }
+        else {
+            Log-Output "#01 - No running nested guest VM, continuing script" | Tee-Object -FilePath $logFile -Append
+        }
+    }
+
+    # Make sure the disk is online
+    Log-Output "#02 - Bringing disk online" | Tee-Object -FilePath $logFile -Append
+    $disk = get-disk -ErrorAction Stop | Where-Object { $_.FriendlyName -eq 'Msft Virtual Disk' }
+    $disk | set-disk -IsOffline $false -ErrorAction Stop
+
+    # Handle disk partitions
+    $partitionlist = Get-Disk-Partitions
+    $partitionGroup = $partitionlist | Group-Object DiskNumber
+
+    Log-Output '#03 - enumerate partitions for boot config' | Tee-Object -FilePath $logFile -Append
+
+    forEach ( $partitionGroup in $partitionlist | Group-Object DiskNumber ) {
+        # Reset paths for each part group (disk)
+        $isBcdPath = $false
+        $bcdPath = ''
+        $isOsPath = $false
+        $osPath = ''
+
+        # Scan all partitions of a disk for bcd store and os file location
+        ForEach ($drive in $partitionGroup.Group | Select-Object -ExpandProperty DriveLetter ) {
+            # Check if no bcd store was found on the previous partition already
+            if ( -not $isBcdPath ) {
+                $bcdPath = $drive + ':\boot\bcd'
+                $isBcdPath = Test-Path $bcdPath
+
+                # If no bcd was found yet at the default location look for the uefi location too
+                if ( -not $isBcdPath ) {
+                    $bcdPath = $drive + ':\efi\microsoft\boot\bcd'
+                    $isBcdPath = Test-Path $bcdPath
+                }
+            }
+
+            # Check if os loader was found on the previous partition already
+            if (-not $isOsPath) {
+                $osPath = $drive + ':\windows\system32\winload.exe'
+                $isOsPath = Test-Path $osPath
+            }
+        }
+
+        # If on the OS directory, continue script
+        if ( $isOsPath ) {
+            Log-Output "#04 - Found OS directory at $($drive), getting patches" | Tee-Object -FilePath $logFile -Append
+            cmd /c "dism /image:$($drive):\ /get-packages" | Tee-Object -FilePath $logFile -Append
+            return $STATUS_SUCCESS
+        }
+    }
+}
+catch {
+    Log-Error "END: Script failed with error: $_" | Tee-Object -FilePath $logFile -Append
+    throw $_
+    return $STATUS_ERROR
+}
+finally {
+    $scriptEndTime = get-date -f yyyyMMddHHmmss
+    $scriptEndTime | Tee-Object -FilePath $logFile -Append
+}