Basic PowerShell script to check the status of a Windows service, and start the service if the status is 'Stopped'

QBServiceChecker.ps1

#requires -version 2
<#
.SYNOPSIS
  PowerShell script to check the status of a Windows service, and start the service if status is 'Stopped'

.DESCRIPTION
  PowerShell script to check the status of a Windows service, and start the service if status is 'Stopped'

.PARAMETER <Parameter_Name>
  None

.INPUTS
  $WindowsService: Name of target Windows service

.OUTPUTS
  Log file stored in C:\Windows\Scripts\<name>.log>

.NOTES
  Version:        1.0
  Author:         Tim Michael
  Creation Date:  10/23/2018
  Purpose/Change: Initial script development
  
.EXAMPLE
  None

.RESOURCES
  Powershell Script Template: https://gist.github.com/9to5IT/9620683
  Logging Function: https://stackoverflow.com/questions/7834656/create-log-file-in-powershell
  
#>

#---------------------------------------------------------[Initialisations]--------------------------------------------------------

#Set Error Action to Silently Continue
#$ErrorActionPreference = "SilentlyContinue"

#Dot Source required Function Libraries
#. "C:\Scripts\Functions\Logging_Functions.ps1"

#----------------------------------------------------------[Declarations]----------------------------------------------------------

#Script Version
$sScriptVersion = "1.0"

# Windows Service
$WindowsService = Get-Service -Name QBCFMonitorService

# Timestamp
$TimeStamp = (Get-Date).toString("yyyy/MM/dd HH:mm:ss")

# Log File
$Logfile = "C:\Windows\Scripts\QBServiceChecker\QBServiceChecker.log"


#-----------------------------------------------------------[Functions]------------------------------------------------------------

Function LogWrite
{
   Param ([string]$logstring)

   Add-content $Logfile -value $logstring
}

#-----------------------------------------------------------[Execution]------------------------------------------------------------

# Get current status of service
# Write status to log file
$CurrentStatus = $WindowsService.Status
LogWrite($TimeStamp, ": Service is", $CurrentStatus)

# Start the service if the current status is Stopped
# Following start commant, re-check status and write to log file
If($WindowsService.Status -eq 'Stopped') {
    Start-Service -Name $WindowsService.Name
    Start-Sleep -Seconds 20
    
    $WindowsService = Get-Service -Name QBCFMonitorService
    $UpdatedTimeStamp = (Get-Date).toString("yyyy/MM/dd HH:mm:ss")
    $UpdatedStatus = $qbserv.Status

    LogWrite($UpdatedTimeStamp, ": Service is", $UpdatedStatus)
}