Azure Function running simple Powershell script is running out of Temp folder storage despite the cleanup steps

Question

Hello! I am facing an exception: "Failed to create "C:\local\Temp\tmpEXO..psm1' with allocation size X because the disk was full" with my Azure Function running powershell on consumption plan. I understand that with this plan you only get 0.5GB of temp storage, but my powershell script only connects to Exchange Online and does the cleanup afterwards, so I shouldn't have the exception after couple of requests being sent (it seems temp storage limit is hit after about 20 subsequent HTTP requests in a row):

using namespace System.Net

param($Request, $TriggerMetadata)

Connect-ExchangeOnline -ManagedIdentity -Organization ORGANIZATION.onmicrosoft.com

Disconnect-ExchangeOnline -Confirm:$false

# Associate values to output bindings by calling 'Push-OutputBinding'.

Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{

StatusCode = [HttpStatusCode]::OK

Headers = @{

"Content-type" = "application/json"

}

})

Is there a way to erase the temp folder content after every HTTP invocation of this function?

Answer 1

Hi adm,

Have you tried a command like this?

###Remove specific temp folders created by Connect-ExchangeOnline

Get-ChildItem -Path $TempPath -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { $.PSIsContainer -and $.Name -like "tmpEXO*" } | Remove-Item -Recurse -Force -ErrorAction SilentlyContinue