Run SharePoint Cumulative Update using powershell

Run SharePoint Cumulative Update

if ((Get-PSSnapin "Microsoft.SharePoint.PowerShell" -ErrorAction SilentlyContinue) -eq $null)
{
Add-PSSnapin "Microsoft.SharePoint.PowerShell"
}
###########################
##Ensure Patch is Present##
###########################
$patchfile = Get-ChildItem | where{$_.Extension -eq ".exe"}
if($patchfile -eq $null)
{
Write-Host "Unable to retrieve the file. Exiting Script" -ForegroundColor Red
Return
}


########################
##Stop Search Services##
########################
##Checking Search services##
$srchctr = 1
$srch4srvctr = 1
$srch5srvctr = 1

$srv4 = get-service "OSearch15"
$srv5 = get-service "SPSearchHostController"

If(($srv4.status -eq "Running") -or ($srv5.status-eq "Running"))
{
Write-Host "Choose 1 to Pause Search Service Application" -ForegroundColor Cyan
Write-Host "Choose 2 to leave Search Service Application running" -ForegroundColor Cyan
$searchappresult = Read-Host "Press 1 or 2 and hit enter"
Write-Host


if($searchappresult -eq 1)
{
$srchctr = 2
Write-Host "Pausing the Search Service Application" -foregroundcolor yellow
Write-Host "This could take a few minutes" -ForegroundColor Yellow
$ssa = get-spenterprisesearchserviceapplication
$ssa.pause()
}


elseif($searchappresult -eq 2)
{
Write-Host "Continuing without pausing the Search Service Application"
}
else
{
Write-Host "Run the script again and choose option 1 or 2" -ForegroundColor Red
Write-Host "Exiting Script" -ForegroundColor Red
Return
}
}

Write-Host "Stopping Search Services if they are running" -foregroundcolor yellow
if($srv4.status -eq "Running")
{
$srch4srvctr = 2
set-service -Name "OSearch15" -startuptype Disabled
$srv4.stop()
}

if($srv5.status -eq "Running")
{
$srch5srvctr = 2
Set-service "SPSearchHostController" -startuptype Disabled
$srv5.stop()
}

do
{
$srv6 = get-service "SPSearchHostController"
if($srv6.status -eq "Stopped")
{
$yes = 1
}
Start-Sleep -seconds 10
}
until ($yes -eq 1)

Write-Host "Search Services are stopped" -foregroundcolor Green
Write-Host



#######################
##Stop Other Services##
#######################
Set-Service -Name "IISADMIN" -startuptype Disabled
Set-Service -Name "SPTimerV4" -startuptype Disabled
Write-Host "Gracefully stopping IIS W3WP Processes" -foregroundcolor yellow
Write-Host
iisreset -stop -noforce
Write-Host "Stopping Services" -foregroundcolor yellow
Write-Host

$srv2 = get-service "SPTimerV4"
if($srv2.status -eq "Running")
{$srv2.stop()}

Write-Host "Services are Stopped" -ForegroundColor Green
Write-Host
Write-Host



##################
##Start patching##
##################
Write-Host "Patching now keep this PowerShell window open" -ForegroundColor Magenta
Write-Host
$starttime = Get-Date

$filename = $patchfile.basename
$arg = "/passive"

Start-Process $filename $arg

Start-Sleep -seconds 20
$proc = get-process $filename
$proc.WaitForExit()

$finishtime = get-date
Write-Host
Write-Host "Patch installation complete" -foregroundcolor green
Write-Host



##################
##Start Services##
##################
Write-Host "Starting Services Backup" -foregroundcolor yellow
Set-Service -Name "SPTimerV4" -startuptype Automatic
Set-Service -Name "IISADMIN" -startuptype Automatic

##Grabbing local server and starting services##
$servername = hostname
$server = get-spserver $servername

$srv2 = get-service "SPTimerV4"
$srv2.start()
$srv3 = get-service "IISADMIN"
$srv3.start()
$srv4 = get-service "OSearch15"
$srv5 = get-service "SPSearchHostController"

###Ensuring Search Services were stopped by script before Starting"
if($srch4srvctr -eq 2)
{
set-service -Name "OSearch15" -startuptype Automatic
$srv4.start()
}
if($srch5srvctr -eq 2)
{
Set-service "SPSearchHostController" -startuptype Automatic
$srv5.start()
}

###Resuming Search Service Application if paused###
if($srchctr -eq 2)
{
Write-Host "Resuming the Search Service Application" -foregroundcolor yellow
$ssa = get-spenterprisesearchserviceapplication
$ssa.resume()
}

Write-Host "Services are Started" -foregroundcolor green
Write-Host
Write-Host
Write-Host "Script Duration" -foregroundcolor yellow
Write-Host "Started: " $starttime -foregroundcolor yellow
Write-Host "Finished: " $finishtime -foregroundcolor yellow
Write-Host "Script Complete"

Write-Host "REMINDER: Run SharePoint Products Configuration Wizard on each server" -foregroundcolor green