TsBackUpDR2

#Requires -Version 3
Set-StrictMode -Version Latest


if (Test-Path '<directory path>') {
    Set-Location '<directory path>'
    } else {
        mkdir '<directory path>' ; Set-Location '<directory path>'
       }

#Remove local logs that are older than 8 days from today       
Get-ChildItem -Filter *.tsbak | where {$_.LastWriteTime -lt (Get-Date).AddDays(-8)} | Remove-Item

##Remove logs from AWS that are older than 8 days from today
foreach ($k in @(Get-S3Object -BucketName "<your AWS Bucket>" -Key "<your AWS key name>" -Region "<your AWS region>"|`
 where {$_.LastModified -lt (Get-Date).AddDays(-8) -and $_.Size -gt 0}|select -Expand Key)){
            Remove-S3Object -BucketName "<your AWS Bucket>" -Key $k -Region "<your AWS region>" -Force
            }


## Logging for removals
Get-S3Object -BucketName "<your AWS Bucket>" -Key "<your AWS key name>" -Region "<your AWS region>"|where {$_.Size -gt 0}|select *, @{n='Date';e={(Get-Date)}}, @{n='State';e={'Remove'}}|`
 Export-Csv -Path 'C:\<directory path>\AWSLogging.csv' -NoTypeInformation -Append


#Add tsbak to AWS, based on diff from local
$diff = Get-S3Object -BucketName "<your AWS Bucket>" -Key "<your AWS key name>" -Region "<your AWS region>"|where {$_.Size -gt 0}|select -expand key
$awss3 = $diff -replace "<your AWS key name>/"
$local = Get-ChildItem -Path C:\<directory path>\ -Filter "*.tsbak" | select -expand basename

foreach ($i in @(diff -ReferenceObject $local -DifferenceObject $awss3|where {$_.SideIndicator -like "<="}|select -expand inputobject)) {
    Write-S3Object -BucketName "<your AWS Bucket>/<your AWS key name>" -Key $i -File "C:\<directory path>\$i.tsbak"  -Region "<your AWS region>"
    }


Get-S3Object -BucketName "<your AWS Bucket>" -Key "<your AWS key name>" -Region "<your AWS region>"|where {$_.Size -gt 0}|select *, @{n='Date';e={(Get-Date)}}, @{n='State';e={'Add'}}|`
 Export-Csv -Path 'C:\<directory path>\AWSLogging.csv' -NoTypeInformation -Append