Powershell script to copy queues over for AWS

Copy-AWSQueue

#make global to not inure this only once versus multiple times.
$aws_extensions = Get-Module -ListAvailable | where-object { $_.Name -eq "AWSPowerShell" }


<#
.SYNOPSIS

copy-awsqueue will allow you to copy messages from one queue to another without deleting
messages from teh queue.

.DESCRIPTION

Allows you to copy messages from one queue to another without deleting messages, make sure
however to set your $creds variable and $regions varaiable where you want this script to execute
You can set the following with AWS Powershell Snapin which is required to be installed prior to running this script.

If you do not have AWS powershell or the newest version of the framework it will send you to a link
to get the powershell extensions for visual studio. 
#>
function copy-awsqueue(){
    Param(
        [Parameter(Mandatory=$true)]
        [string]$sourceQueue,
        [Parameter(Mandatory=$true)]
        [string]$destinationQueue,
        [Parameter(Mandatory=$true)]
        [Object]$region,
        [Parameter(Mandatory=$true)]
        [Amazon.Runtime.AWSCredentials]$cred,
        [Parameter(Mandatory=$false)]
        [int]$NumberOfMessages,
        [Parameter(Mandatory=$false)]
        [int]$SecondsToHide
    )
    

   if ($aws_extensions -eq $null){
    write-error "AWS Extenions must be installed"
    _awswebsite
    throw
   }

   if ($aws_extensions.Version.Major -lt 2){
    write-err "You need to update you aws extenstions"
    _awswebsite
    throw
   }

   if ($NumberOfMessages -eq 0){
    $NumberOfMessages = 10
   }

   if ($SecondsToHide -eq 0){
    $SecondsToHide = 60
   }


   Get-SQSQueueUrl -OutVariable sourceQueueTemp -QueueName $sourceQueue -Region $region -Credentials $cred
   Get-SQSQueueUrl -OutVariable destinationQueueTemp -QueueName $destinationQueue -Region $region -Credentials $cred

   if ($sourceQueueTemp[0] -eq $null ){
    Write-Error "The Source queue does not exist"
    throw
   }

   if ($destinationQueueTemp[0] -eq $null ){
    Write-Error "The Destination queue does not exist"
    throw
   }

  

   $sourceQueueUrl = $sourceQueueTemp[0]
   $destinationQueueUrl = $destinationQueueTemp[0]
   $messagesCount = 0
   $percentComplete = 0
   $activity = "Copying From $sourceQueue to $destinationQueue"

   while ($messagesCount -lt $NumberOfMessages){
    $dequeSize = $NumberOfMessages

    if ($NumberOfMessages -gt 10){
        $dequeSize = 10
    }

    # grab the messages
    $messages = Receive-SQSMessage -MaxNumberOfMessages $dequeSize -QueueUrl $sourceQueueUrl -Credentials $cred -Region $region
    $entries = @()

    write-progress -Activity $activity  -CurrentOperation "Recieving messages from $sourceQueue" -PercentComplete $percentComplete 
    foreach ($message in $messages){
        $entry = New-Object Amazon.SQS.Model.ChangeMessageVisibilityBatchRequestEntry
        $entry.Id = $message.MessageId
        $entry.ReceiptHandle = $message.ReceiptHandle
        $entry.VisibilityTimeout = $SecondsToHide
        $entries += $entry
    }

    foreach($messageToSend in $messages){
        Send-SQSMessage -MessageBody $messageToSend.Body -QueueUrl $destinationQueueUrl -Region $region -Credentials $cred 
    }
    Write-Host $entries.count
    $entries
    Edit-SQSMessageVisibilityBatch -Entries $entries -Credentials $cred -Region $region -QueueUrl $sourceQueueUrl
    $messagesCount += $messages.Count

    Write-Progress  -PercentComplete $percentComplete -Activity $activity -CurrentOperation "Sending to $destinatioNQueue"
    $percentComplete =  ($messagesCount / $NumberOfMessages) * 100;
    $entries= $null
   }
   
   

}


function _awswebsite(){
    $IE=new-object -com internetexplorer.application
    $IE.navigate2("http://aws.amazon.com/powershell/")
    $IE.visible=$true
}