web.monitoring

$URL='192.168.0.1' #URL or IP of a web service
$vm='test VM'      #VCenter vm name
$logpath="E:\log\web.monitoring.txt" #log file
$VCenterserver = "vcenter.contoso.com"
$VCenteruser= "CONTOSO\www-mon"
$VCenterpassword= "Pa$$w0rd"

$time = try
{
$request = $null
$timeout_msg = $null
$result1 = Measure-Command { $request = Invoke-WebRequest -Uri $URL }
$result1.TotalMilliseconds
}
catch
{
$request = $_.Exception.Response
$timeout_msg = $_.Exception.Message
$time = -1
}
$date=(Get-Date).ToString()
if ($timeout_msg -ne $null)
{
Write-Output "Time = $($date);StatusCode = $($timeout_msg)"| Out-File  -filepath $logpath -Append -noClobber
}
else
{
Write-Output "Time = $($date);StatusCode = $($request.StatusCode);StatusDescription = $($request.StatusDescription);ResponseLength = $($request.RawContentLength);TimeTaken = $($time)" | Out-File  -filepath $logpath -Append -noClobber
}
if ($request.StatusCode -ne 200)
{
Add-PSSnapin VMware.VimAutomation.Core
Add-PSSnapin VMware.VimAutomation.Vds
Connect-VIServer -Server $VCenterserver -User $VCenteruser -Password $VCenterpassword -Force -Protocol https
if (((Get-VM -Name $vm).PowerState) -like 'PoweredOff')
{
Write-Output "VM is currently Powered off" | Out-File  -filepath $logpath -Append -noClobber
}
Else
{
Restart-VM -VM $vm -RunAsync -Confirm:$false
Write-Output "VM was on, web server unresponsive, Reseted VM" | Out-File  -filepath $logpath -Append -noClobber
}
Disconnect-VIServer -Server $VCenterserver -Force -Confirm:$false
}