Remove-ExpiredAzureBlobs.ps1
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# This script cleans an Azure Storage container of blobs that were created "too long" ago. # # Requires AzureRM PowerShell module. function Remove-ExpiredAzureBlobs { [CmdletBinding()] param( # Name of the storage container to clean up. # You may also use a pattern like "*-stable" [Parameter(Mandatory)] [string]$containerName, # Azure Storage connection string. [Parameter(Mandatory)] [string]$connectionString, # How many days old blobs are allowed to be to survive. [Parameter(Mandatory)] [int]$maxAgeDays ) $azureContext = New-AzureStorageContext -ConnectionString $connectionString # Ensure the container exists. This will fail if it does not exist. Get-AzureStorageContainer $containerName -Context $azureContext | Out-Null $cutoffMoment = (Get-Date).AddDays( - $maxAgeDays) Write-Host "Removing blobs created before $($cutoffMoment.ToString(`"o`"))" Get-AzureStorageContainer -Context $azureContext | ForEach-Object { if ($_.Name -notlike $containerName) { continue } Write-Host "Cleaning up $($_.Name)" $_ | Get-AzureStorageBlob | ForEach-Object { if ($_.LastModified -ge $cutoffMoment) { continue } Write-Host "Removing $($_.Name)" $_ | Remove-AzureStorageBlob } } } |