Clean up Azure Fabric Perfmon Logs

Clear-S4BFabricLogs.ps1

Function Clear-S4BFabricLogs 
{
  <#
      .SYNOPSIS
      Removes old Windows Fabric log files and Perfmon Data

      .DESCRIPTION
      Removes logfiles older than 14 days from the following locations
      C:\ProgramData\Microsoft\SF\Log\PerformanceCounters_WindowsFabricPerfCounter
      C:\ProgramData\Microsoft\SF\Log\PerformanceCountersBinaryArchive

      .EXAMPLE
      Clear-S4BFabricLogs
      Removes the logs

      .LINK
      http://www.UcMadScientist.com

      .INPUTS
      This function does not accept pipelined input

      .OUTPUTS
      This function does not create pipelined output
  #>
  [CmdletBinding()]
  $function = 'Clear-S4BFabricLogs'
  $SpaceBefore = (Get-WmiObject -Class Win32_logicaldisk -Filter "DeviceID = 'C:'" | Select-Object -Property @{L='FreeSpaceGB';E={"{0:N2}" -f ($_.FreeSpace /1GB)}})
  Write-Host "Cleaning up files"
  $CurrentDate = Get-Date
  $DatetoDelete = $CurrentDate.AddDays(-14)
  $FolderstoClean = @(
    "C:\ProgramData\Microsoft\SF\Log\PerformanceCountersBinaryArchive"
    "C:\ProgramData\Microsoft\SF\Log\PerformanceCounters_WindowsFabricPerfCounter"
    "C:\ProgramData\Microsoft\SF\Log\PerformanceCountersBinary"
  )
  ForEach ($folder in $FolderstoClean) {
    Write-Host "Checking $Folder"
    $files = (Get-ChildItem $Folder | Where-Object { $_.LastWriteTime -lt $DatetoDelete })
    Write-Host "Found $($Files.Count) in $Folder"
    Write-Host "Removing Files"
    Get-ChildItem $Folder | Where-Object { $_.LastWriteTime -lt $DatetoDelete } | Remove-Item
  }
  $SpaceAfter = (Get-WmiObject -Class Win32_logicaldisk -Filter "DeviceID = 'C:'" | Select-Object -Property @{L='FreeSpaceGB';E={"{0:N2}" -f ($_.FreeSpace /1GB)}})
  $SpaceSaved = (($Spacebefore.FreeSpaceGB - $SpaceAfter.FreeSpaceGB) - ($Spacebefore.FreeSpaceGB - $SpaceAfter.FreeSpaceGB)*2)
  Write-Host "Saved $SpaceSaved GB"
}