modules/Utilities/private/Invoke-WebRequestWithRetry.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. function Invoke-WebRequestWithRetry { param( [Parameter(Mandatory = $true)] [System.Uri]$Uri, [Parameter(Mandatory = $false)] [Microsoft.PowerShell.Commands.WebRequestMethod]$Method = 'Get', [Parameter(Mandatory = $false)] [System.Collections.IDictionary]$Headers, [Parameter (Mandatory = $false)] [System.String]$ContentType, [Parameter(Mandatory = $false)] [System.Object] $Body, [Parameter(Mandatory = $false)] [Switch] $DisableKeepAlive, [Parameter(Mandatory = $false)] [Switch] $UseBasicParsing, [Parameter(Mandatory = $false)] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()]$Credential, [Parameter(Mandatory = $false)] [int]$TimeoutInSec = 600, [Parameter(Mandatory = $false, ParameterSetName = 'Retry')] [Switch]$Retry, [Parameter(Mandatory = $false, ParameterSetName = 'Retry')] [Int]$MaxRetry = 3, [Parameter(Mandatory = $false, ParameterSetName = 'Retry')] [Int]$RetryIntervalInSeconds = 30 ) $params = @{ 'Headers' = $Headers; 'ContentType' = $ContentType; 'Method' = $Method; 'Uri' = $Uri; 'TimeoutSec' = $TimeoutInSec } if ($null -ne $Body) { $params.Add('Body', $Body) } if ($DisableKeepAlive.IsPresent) { $params.Add('DisableKeepAlive', $true) } if ($UseBasicParsing.IsPresent) { $params.Add('UseBasicParsing', $true) } if ($Credential -ne [System.Management.Automation.PSCredential]::Empty -and $null -ne $Credential) { $params.Add('Credential', $Credential) } else { $params.Add('UseDefaultCredentials', $true) } $counter = 0 while ($true) { $counter++ try { "Performing {0} request to uri {1}" -f $Method, $Uri | Trace-Output -Level:Verbose if ($Body) { "Body:`n`t{0}" -f $Body | Trace-Output -Level:Verbose } $result = Invoke-WebRequest @params break } catch { if ($_.Exception.Response.StatusCode -eq "NotFound") { "{0} ({1})" -f $_.Exception.Message, $_.Exception.Response.ResponseUri.AbsoluteUri | Trace-Output -Level:Warning return $null } else { $_ | Trace-Output -Level:Exception } if (($counter -le $MaxRetry) -and $Retry) { "Retrying operation in {0} seconds. Retry count: {1}." - $RetryIntervalInSeconds, $counter | Trace-Output Start-Sleep -Seconds $RetryIntervalInSeconds } else { throw $_ } } } "StatusCode: {0} StatusDescription: {1}" -f $result.StatusCode, $result.StatusDescription | Trace-Output -Level:Verbose return $result } |