From 4f93611834f51520074067baa0ba253a68fa96b0 Mon Sep 17 00:00:00 2001
From: Floris van Enter <floris@vanenter.nl>
Date: Wed, 20 Feb 2019 16:00:26 +0100
Subject: [PATCH] Added updates install script with SCCM client, Software
 Center

---
 PowerShell/script_install_updates.ps1 | 105 ++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100755 PowerShell/script_install_updates.ps1

diff --git a/PowerShell/script_install_updates.ps1 b/PowerShell/script_install_updates.ps1
new file mode 100755
index 0000000..d41b775
--- /dev/null
+++ b/PowerShell/script_install_updates.ps1
@@ -0,0 +1,105 @@
+<#
+.SYNOPSIS
+Retrieves updates from WMI and installs it.
+.DESCRIPTION
+This gets all the updates that is published in Software Center and installs them and reboots when necessairy.
+Written by Floris van Enter | EnterMI
+.PARAMETER preventReboot
+Prevent reboot, by default it is False.
+.EXAMPLE
+Run the updates and prevent reboots
+script_install_updates.ps1 -preventReboot $True
+.LINK
+https://github.com/beakerflo/EnterMI
+#>
+[CmdletBinding()]
+param(
+    [boolean]$preventReboot = $False
+    )
+
+$updates = Get-WmiObject -Class CCM_SoftwareUpdate -Namespace root\CCM\ClientSDK | Where -FilterScript { $_.EvaluationState -eq "0" }
+$reboot = $False
+$rebootTimeout = Get-Random -Maximum 120 -Minimum 10
+
+# exit script if no updates are found
+ If ( $updates -eq $Null ) {
+    Write-Host "No updates found."
+    break 
+}
+
+Write-Host "" # line break
+Write-Host "Available Updates:"
+
+$updateNames = $updates | Select -ExpandProperty Name
+
+# display numbered list of update names
+foreach($updateName in $updateNames) {
+    Write-Host $updateName
+    }
+
+Write-Host "" # line break
+Write-Host "Beginning Installation" # shows that updates have started
+Write-Host "" # line break
+
+# declare array for failed updates
+$failedUpdates = @()
+
+# formats updates by just getting those that are required (ComplianceState=0). Converts updates to WMI so that they can be installed.
+ForEach ( $update in $updates ) {
+    $f_update = @($update | ForEach-Object {if($_.ComplianceState -eq 0){[WMI]$_.__PATH}})
+    $installName = $update | Select Name
+ 
+    # Installs updates
+    $uWmiOutput = ""
+    $uWmiOutput = ([wmiclass]'ROOT\ccm\ClientSdk:CCM_SoftwareUpdatesManager').InstallUpdates($f_update)
+
+    # wait until update process is seen, then disappears
+     Do {
+        $upCheck = ""
+        $upCheck = Get-Process | Where -filterscript { $_.ProcessName -eq "wuauclt" }
+    } Until ( $upCheck -ne $Null )
+
+    Wait-Process -Name wuauclt
+    Start-Sleep -s 2
+
+    # write result
+    $s_install_name = "$installName"
+    $f_install_name = $s_install_name.substring(7).trim("}")
+    $eval_state = ""
+    $eval_state = (Get-WmiObject -Class CCM_SoftwareUpdate -Namespace root\CCM\ClientSDK | Where -filterscript { $_.Name -like "*$f_install_name*" }).EvaluationState
+
+    If ( $eval_state -eq "13") {
+        $failedUpdates += $f_install_name 
+    } Else { 
+        Write-Host "Success: $f_install_name" -foregroundcolor green
+        $reboot = $True
+    }
+}
+
+If ( $failedUpdates -ne $Null ) {
+    Write-Host ""
+    Write-Host "Failed Updates:"
+    ForEach ($failedUpdate in $failedUpdates) {
+        Write-Host $failedUpdate -foregroundcolor red 
+    }
+}
+
+Write-Host "" # line break
+
+# determine if there is a pending reboot
+$u_reboot = [wmiclass]"\\localhost\root\ccm\ClientSDK:CCM_ClientUtilities"
+$u_result = $u_reboot.DetermineIfRebootPending() | Select RebootPending
+$u_p_reboot = $u_result.RebootPending
+
+# does check for any pending reboots (eval state 8) and alerts if they are required
+If ( ($u_p_reboot -eq $True) -and ($reboot = $True) -and ($preventReboot = $False) ) {
+    Write-Host "Reboot Required."
+    Write-Host "The server will reboot within $rebootTimeout seconds"
+    Start-Sleep -s $rebootTimeout
+    Restart-Computer
+    } ElseIf ( ($u_p_reboot -eq $True) -and ($reboot = $True) -and ($preventReboot = $True) ) {
+    Write-Host "Reboot is Required."
+    Write-Host "Please reboot!!!" -ForegroundColor Red
+} Else { 
+    Write-Host "Reboot not Required." 
+}
\ No newline at end of file