Created
September 8, 2017 19:14
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PowerShell script to ping a Url with retries and timeouts
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param | |
( | |
[string] $Url, | |
[int] $MaxRetries = 3, | |
[int] $OneRetryTimeout = 5, | |
[int] $OverallTimeout = 60, | |
[int] $WaitBetweenRetries = 1 | |
) | |
if ([System.String]::IsNullOrWhiteSpace($Url)) | |
{ | |
throw "Parameter 'Url' cannot be empty" | |
} | |
$Success = $false | |
$RetriesLeft = $MaxRetries | |
$TimeLeft = [timespan]::fromseconds($OverallTimeout) | |
do | |
{ | |
Write-Host "Pinging url - $Url" | |
$StopWatch = [Diagnostics.Stopwatch]::StartNew() | |
try | |
{ | |
$Response = Invoke-WebRequest $Url -UseBasicParsing -TimeoutSec $OneRetryTimeout | |
$StatusCode = $Response.StatusDescription | |
$StatusCodeInt = $Response.StatusCode | |
$StatusText = "Ping returned status $StatusCode ($StatusCodeInt)" | |
$ExceptionOccurred = $false | |
} | |
catch | |
{ | |
if ($_.Exception.Response.StatusCode) | |
{ | |
$StatusCode = $_.Exception.Response.StatusCode | |
$StatusCodeInt = $StatusCode.value__ | |
$StatusText = "Ping returned status $StatusCode ($StatusCodeInt)" | |
} | |
else | |
{ | |
$StatusText = $_.Exception.Message | |
} | |
$ExceptionOccurred = $true | |
} | |
$StopWatch.Stop() | |
Write-Host $StatusText | |
Write-Host 'Time elapsed' $StopWatch.Elapsed | |
$TimeLeft-=$StopWatch.Elapsed | |
$Success = (($StatusCodeInt -eq 200) -and -not($ExceptionOccurred)) | |
$RetriesLeft-- | |
Start-Sleep $WaitBetweenRetries | |
$TimeLeft-=[timespan]::fromseconds($WaitBetweenRetries) | |
} | |
while (($Success -eq $false) -and ($RetriesLeft -ge 0) -and ($TimeLeft -ge 0)) | |
if ($Success) | |
{ | |
Write-Host "Ping OK!" -ForegroundColor Green | |
} | |
else | |
{ | |
throw "Ping failed: '$Url'" | |
} |
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Is there a way to use this with an IP address instead of a URL?