Logman.psm1
enum Ensure { Absent Present } [DscResource()] class Logman { [DscProperty(Key)] [ValidateNotNullOrEmpty()] [string] $DataCollectorSetName [DscProperty(Mandatory)] [Ensure] $Ensure [DscProperty()] [ValidateNotNullOrEmpty()] [string] $XmlTemplatePath [DscProperty()] [ValidateNotNullOrEmpty()] [string] $LogFilePath [Logman] Get() { $logmanquery = $this.Query() $returnObj = [Logman]::new() $returnObj.DataCollectorSetName = $this.DataCollectorSetName $returnObj.XmlTemplatePath = $this.XmlTemplatePath $returnObj.LogFilePath = $this.GetLogPath() if ($logmanquery -eq $this.DataCollectorSetName) { $returnObj.Ensure = [Ensure]::Present } else { $returnObj.Ensure = [Ensure]::Absent } return $returnObj } [void] Set() { $logmanquery = $this.Query() if($this.Ensure -eq [Ensure]::Present) { if ($logmanquery -eq [string]::Empty -and $this.XmlTemplatePath) { if (Test-Path -Path $this.XmlTemplatePath) { Write-Verbose -Message "Importing logman Data Collector Set $($this.DataCollectorSetName) from Xml template $($this.XmlTemplatePath)" $null = logman.exe import -n $this.DataCollectorSetName -xml $this.XmlTemplatePath } else { Write-Verbose -Message "$($this.XmlTemplatePath) not found or temporary inaccessible, trying again on next consistency check" } } $CurrentLogPath = $this.GetLogPath() if ($CurrentLogPath -ne $this.LogFilePath) { Write-Verbose -Message "Updating LogFilePath $CurrentLogPath to $($this.LogFilePath)" $this.UpdateLogPath() } } else { Write-Verbose -Message "Removing logman Data Collector Set $($this.DataCollectorSetName)" $null = logman.exe delete $this.DataCollectorSetName } } [bool] Test() { $logmanquery = $this.Query() if ($logmanquery -eq $this.DataCollectorSetName) { Write-Verbose -Message "Data Collector $($this.DataCollectorSetName) exists" if ($this.LogFilePath -and $this.LogFilePath -ne $this.GetLogPath()) { Write-Verbose -Message "LogFilePath is not configured correctly" return $false } if ($this.Ensure -eq [Ensure]::Present) { return $true } else { return $false } } else { Write-Verbose -Message "Data Collector $($this.DataCollectorSetName) does not exist" if ($this.Ensure -eq [Ensure]::Present) { return $false } else { return $true } } } [string] Query () { $logmanquery = (logman.exe query $this.DataCollectorSetName | Select-String -Pattern "^Name:\s*$($this.DataCollectorSetName)$") -replace "^Name:\s*",'' -as [string] return $logmanquery } [string] GetLogPath () { $logmanquery = ((logman.exe query $this.DataCollectorSetName | Select-String -Pattern "^Output\sLocation:\s*") -replace "^Output\sLocation:\s*",'' -split '_')[0] -as [string] return $logmanquery } [void] UpdateLogPath () { logman.exe -stop $this.DataCollectorSetName logman.exe -update $this.DataCollectorSetName -o "$($this.LogFilePath)" Logman.exe -start $this.DataCollectorSetName } } |