Private/Invoke-CWCWebRequest.ps1
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function Invoke-CWCWebRequest { [CmdletBinding()] param( $Arguments, [int]$MaxRetry = 5 ) # Check that we have cached connection info if(!$script:CWCServerConnection){ $ErrorMessage = @() $ErrorMessage += "Not connected to a Control server." $ErrorMessage += '--> $CWCServerConnection variable not found.' $ErrorMessage += "----> Run 'Connect-CWC' to initialize the connection before issuing other CWC cmdlets." return Write-Error ($ErrorMessage | Out-String) } $BaseURI = "https://$($script:CWCServerConnection.Server)" $Arguments.URI = Join-Url $BaseURI $Arguments.Endpoint $Arguments.remove('Endpoint') $Arguments.Headers = $script:CWCServerConnection.Headers $Arguments.UseBasicParsing = $true Write-Debug "Arguments: $($Arguments | ConvertTo-Json)" # Issue request try { $Result = Invoke-WebRequest @Arguments } catch { # Start error message $ErrorMessage = @() if($_.Exception.Response){ # Read exception response $ErrorStream = $_.Exception.Response.GetResponseStream() $Reader = New-Object System.IO.StreamReader($ErrorStream) $script:ErrBody = $Reader.ReadToEnd() | ConvertFrom-Json if($ErrBody.code){ $ErrorMessage += "An exception has been thrown." $ErrorMessage += "--> $($ErrBody.code)" if($ErrBody.code -eq 'Unauthorized'){ $ErrorMessage += "-----> $($ErrBody.message)" $ErrorMessage += "-----> Use 'Disconnect-CWC' or 'Connect-CWC -Force' to set new authentication." } else { $ErrorMessage += "-----> $($ErrBody.code): $($ErrBody.message)" $ErrorMessage += "-----> ^ Error has not been documented please report. ^" } } elseif ($_.Exception.message) { $ErrorMessage += "An exception has been thrown." $ErrorMessage += "--> $($_.Exception.message)" } } if ($_.ErrorDetails) { $ErrorMessage += "An error has been thrown." $script:ErrDetails = $_.ErrorDetails $ErrorMessage += "--> $($ErrDetails.code)" $ErrorMessage += "--> $($ErrDetails.message)" if($ErrDetails.errors.message){ $ErrorMessage += "-----> $($ErrDetails.errors.message)" } } if ($ErrorMessage.Length -lt 1){ $ErrorMessage = $_ } else { $ErrorMessage += $_.ScriptStackTrace } return Write-Error ($ErrorMessage | out-string) } # Not sure this will be hit with current iwr error handling # May need to move to catch block need to find test # TODO Find test for retry # Retry the request $Retry = 0 while ($Retry -lt $MaxRetry -and $Result.StatusCode -eq 500) { $Retry++ # ConnectWise Manage recommended wait time $Wait = $([math]::pow( 2, $Retry)) Write-Warning "Issue with request, status: $($Result.StatusCode) $($Result.StatusDescription)" Write-Warning "$($Retry)/$($MaxRetry) retries, waiting $($Wait)ms." Start-Sleep -Milliseconds $Wait $Result = Invoke-WebRequest @Arguments -UseBasicParsing } if ($Retry -ge $MaxRetry) { return Write-Error "Max retries hit. Status: $($Result.StatusCode) $($Result.StatusDescription)" } return $Result.content | ConvertFrom-Json } |