Windows Service Restart and Slack Log

restartServices.ps1

#---------------------------------[Slack Setup]---------------------------------
#bot name to post into slack
$slackBotName = "YourSlackBotName"
#your slack  webhook key - blank for no trigger
$slackKey = "YOURSLACKWEBHOOK"
#slack channel to post into
$slackChannel = "#YourChannel"

#---------------------------------[Services Setup]---------------------------------
$servicesToMonitor = "Xbox Live Auth Manager", "Windows Search", "MyServiceNotInstalled"
#what should the service start timeout be?
$servicesTimeout = "00:00:30" ##30 seconds by default


#---------------------------------[Functions]---------------------------------
function waitUntilServices($service, $status)
{
    # Wait for the service to reach the $status or until timeout
    $service.WaitForStatus($status, $servicesTimeout)
}

function logToSlack($message)
{
    #setup payload - customise as needed.
    #https://api.slack.com/incoming-webhooks
	$slackPayload = @{
	"channel" = $slackChannel
	"icon_emoji" = ":world_map:"
	"text" = "[{0}] {2} - {1}" -f $env:COMPUTERNAME, $message, $(Get-Date -Format T)
	"username" = $slackBotName
	}

	#slack enabled? If so, fire it off!
	if ($slackKey)
	{
		#send message to slack always.
		Invoke-WebRequest `
		-Body (ConvertTo-Json -Compress -InputObject $slackPayload) `
		-Method Post `
		-Uri "https://hooks.slack.com/services/$slackKey" | Out-Null
	}
  
}

#---------------------------------[Process]---------------------------------
#iterate each of the services
foreach ($s in $servicesToMonitor)
{
    
    #check if service exists.
    if(Get-Service -DisplayName $s -ea 0){

        #fetch service
        $svc = Get-Service -DisplayName $s
        Write-Host "Processing " $svc.DisplayName 


        if ($svc.Status -eq "Stopped")
        {
            logToSlack ("{0} service was stopped, we will start" -f $s)
            
            #start it.
            try 
            {
                $svc.Start()
                waitUntilServices $svc "Running"
            }
            catch { #catch it...
                logToSlack ("ERROR - {0} could NOT BE STARTED and needs to be investigated" -f $s) 
            }

        }
        elseif ($svc.Status -eq "Running") #service already running
        {
           logToSlack ("{0} service was running, leaving it be" -f $s)

        }
        else #service was not running or stopped, maybe "starting" or "stopping" etc.. needs to be looked at by a human. 
        {
           logToSlack ("WARNING - {0} was not Stopped OR Running, needs to be investigated" -f $s)

        }
    }
    else #service could not be found on system
    {
         Write-Host "Could not find " $s

        logToSlack ("WARNING - {0} service was not found on this system" -f $s)
    }

}