private/New-RetryCommand.ps1
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function New-RetryCommand { Param( [Parameter(Mandatory = $true)] [string]$Command, [Parameter(Mandatory = $true)] [hashtable]$Arguments, [Parameter(Mandatory = $false)] [int]$MaxNumberOfRetries = 10, [Parameter(Mandatory = $false)] [int]$RetryDelayInSeconds = 30, [Parameter(Mandatory = $false)] [String[]]$ignoreableErrors ) $RetryCommand = $true $RetryCount = 0 $RetryMultiplier = 1 Write-LogMessage -level 6 -message "$Command called with arguments: $($Arguments.Keys)" while ($RetryCommand) { try { & $Command @Arguments $RetryCommand = $false Write-LogMessage -level 6 -message "$Command succeeded at attempt $RetryCount" }catch { if ($RetryCount -le $MaxNumberOfRetries) { if($ignoreableErrors){ foreach($ignoreableError in $ignoreableErrors){ if($_ -like "*$ignoreableError*"){ Write-LogMessage -level 6 -message "Ignoring error: $($_)" throw $_ } } } Write-LogMessage -level 5 -message "$Command failed, retrying in $($RetryDelayInSeconds * $RetryMultiplier) seconds. Reason: $_" Start-Sleep -Seconds ($RetryDelayInSeconds * $RetryMultiplier) $RetryMultiplier *= 1.2 $RetryCount++ }else { Write-LogMessage -level 5 -message "$Command failed permanently after $RetryCount attempts" throw $_ } } } } |