Powershell wrapper for the cli53 utility to backup Route53 zones.

AwsDnsBackup.ps1

if ($null -eq (Get-Module -Name AWSPowerShell)) {
  Import-Module AWSPowerShell
}

$AwsDnsBucketName = "NAME_OF_AWS_BUCKET"
$AwsCredProfileName = "NAME_OF_AWS_PROFILE"
$SmtpServer = "SMTP_SERVER"
$FromAddress = "FROM_ADDRESS"
$ToAddress = "RECIPIENT_ADRESS"

function Send-Email {
  param (
    $Subject,
    $Body,
    $Priority = "Normal",
    $SmtpServer,
    $FromAddress,
    $ToAddress
  )
  Send-MailMessage -SmtpServer $SmtpServer -From $FromAddress -To $ToAddress -Subject $Subject -Body $Body -Priority $Priority
}

Set-AWSCredential -ProfileName $AwsCredProfileName -ProfileLocation "$PSScriptRoot\.aws\credentials"

Set-Location -Path $PSScriptRoot

$HostedZoneList = Get-R53HostedZoneList
$TargetDirectoryName = (Get-Date).ToString("MM-dd-yyyy")
if (-not(Test-Path -Path "$PSScriptRoot\$TargetDirectoryName" -PathType Container)) {
  $TargetDirectoryObj = New-Item -Path "$PSScriptRoot\$TargetDirectoryName" -ItemType Directory
}

foreach ($HostedZone in $HostedZoneList) {
  $Global:LASTEXITCODE = 0
  $Error.Clear()
  $Exe = '.\cli53-windows-amd64.exe'
  $ArgList = @(
    "export"
    $HostedZone.Name.TrimEnd(".")
  )
  
  & $Exe $ArgList | Tee-Object -Variable cmdOutput
  
  if ($LASTEXITCODE -ne 0) {
    $Msg += "`r`nERROR: $($Error[0].Exception.Message)`r`nFailed on zone $($HostedZone.Name.TrimEnd(".")).`r`n`r`n$($env:COMPUTERNAME) - $(Get-Date)"
    Send-Email -Body $Msg -Subject "AWS Route53 Backup Script FAILED" -Priority "High"
    return
  }
  $cmdOutput | Out-File -FilePath "$($TargetDirectoryObj.FullName)\$($HostedZone.Name.TrimEnd(".")).txt" -Force
  
  $Msg += "Enumerated $($HostedZone.Name.TrimEnd("."))`r`n"
}

try { 
  Write-S3Object -BucketName $AwsDnsBucketName -KeyPrefix $TargetDirectoryName -Folder $TargetDirectoryObj.FullName
  $Msg += "`r`nSuccessfully copied $TargetDirectoryName to $AwsDnsBucketName S3 bucket."
  $Msg += "`r`nScript completed successfully.`r`n`r`n$($env:COMPUTERNAME) - $(Get-Date)"
  Send-Email -Body $Msg -Subject "AWS Route53 Backup Script Completed"
}
catch {
  $Msg += "`r`nFailed to write zones from server to AWS bucked.`r`nERROR: $($_.Exception.Message).`r`n`r`n$($env:COMPUTERNAME) - $(Get-Date)"
  Send-Email -Body $Msg -Subject "AWS Route53 Backup Script FAILED" -Priority "High"
}

#Cleanup
foreach ($Folder in (Get-ChildItem -Path $PSScriptRoot -Directory)) {
  if ($Folder.Name -notmatch ".aws") {
    if ([datetime]$Folder.Name -lt (Get-Date).AddDays(-60).ToString("MM-dd-yyyy")) {
      Remove-Item -Path $Folder.FullName -Force
      Get-S3Object -BucketName $AwsDnsBucketName -KeyPrefix $TargetDirectoryName | Remove-S3Object -Force
    }
  }
}