ExPerfwiz.psm1
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############################################################################################# # DISCLAIMER: # # # # THE SAMPLE SCRIPTS ARE NOT SUPPORTED UNDER ANY MICROSOFT STANDARD SUPPORT # # PROGRAM OR SERVICE. THE SAMPLE SCRIPTS ARE PROVIDED AS IS WITHOUT WARRANTY # # OF ANY KIND. MICROSOFT FURTHER DISCLAIMS ALL IMPLIED WARRANTIES INCLUDING, WITHOUT # # LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR # # PURPOSE. THE ENTIRE RISK ARISING OUT OF THE USE OR PERFORMANCE OF THE SAMPLE SCRIPTS # # AND DOCUMENTATION REMAINS WITH YOU. IN NO EVENT SHALL MICROSOFT, ITS AUTHORS, OR # # ANYONE ELSE INVOLVED IN THE CREATION, PRODUCTION, OR DELIVERY OF THE SCRIPTS BE LIABLE # # FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS # # PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) # # ARISING OUT OF THE USE OF OR INABILITY TO USE THE SAMPLE SCRIPTS OR DOCUMENTATION, # # EVEN IF MICROSOFT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES # ############################################################################################# # ============== Utility Functions ============== # Writes output to a log file with a time date stamp Function Write-Logfile { [cmdletbinding()] Param ( [Parameter(Mandatory = $true)] [string]$String ) # Get our log file path $LogFile = Join-path $env:LOCALAPPDATA ExPefwiz.log # Get the current date [string]$date = Get-Date -Format G # Build output string [string]$logstring = ( "[" + $date + "] - " + $string) # Write everything to our log file and the screen $logstring | Out-File -FilePath $LogFile -Append Write-Verbose $logstring } Function Convert-OnOffBool { [cmdletbinding()] [OutputType([bool])] Param( [Parameter(Mandatory = $true)] [string]$tocompare ) switch ($tocompare) { On { return $true } Default { return $false } } } # Create a scheduled task to run experfwiz Function New-PerfWizScheduledTask { [CmdletBinding()] param ( [String] $Name, [string] $StartTime, [string] $Server ) # Going to use schtasks.exe for this instead of New-ScheduledTask # New-ScheduledTask is not support on 2012R2 it appears; only shows in Win10 or 2016+ Write-Logfile -String "Creating Scehduled Task $Name" # Create the task ... 2>&1 used to redirect schtasks stderr output to stdopt so it can be processed in PS $TaskResult = SCHTASKS /Create /S $Server /RU "SYSTEM" /SC DAILY /TN $Name /TR "logman.exe start $name" /ST $starttime /F 2>&1 # Check if we have an error if (![string]::IsNullOrEmpty(($TaskResult | select-string "Error:"))) { Write-Logfile -string "[ERROR] - Creating Scheduled Task" Write-Logfile -string [string]$TaskResult Throw "UNABLE TO CREATE SCHEDULED TASK: $TaskResult" } } Function Remove-PerfWizScheduledTask { [CmdletBinding()] param ( [String] $Name, [string] $Server ) # Remove scheduled task using schtasks $taskRemove = SCHTASKS /DELETE /S $server /TN $name /F 2>&1 # if success record that if (![string]::IsNullOrEmpty(($taskRemove | select-string "SUCCESS:"))) { Write-Logfile -string "Removed task $name from server $server" } # Check if we didn't find the task and record that elseif (![string]::IsNullOrEmpty(($taskRemove | select-string "The system cannot find the file specified"))) { Write-Logfile -string "Task $name not found on server $server" } # all other cases throw error else { Write-Logfile -string "[ERROR] - Removing Scheduled Task" Write-Logfile -string [string]$TaskResult Throw "UNABLE TO REMOVE SCHEDULED TASK: $TaskResult" } } Function Get-PerfWizScheduledTask { [CmdletBinding()] param ( [string] $Name, [string] $Server ) $taskFound = SCHTASKS /QUERY /TN $name /S $Server /FO csv 2>&1 # If we found a task with that name return True if (![string]::IsNullOrEmpty(($taskFound | select-string "Taskname"))) { return true } # if we didn't find a task with that name return false elseif (![string]::IsNullOrEmpty(($taskFound | select-string "The system cannot find the file specified."))) { return false } # If we got an error throw else { Write-Logfile -string "[ERROR] - Getting Scheduled Task" Write-Logfile -string [string]$TaskResult Throw "UNABLE TO GET SCHEDULED TASK: $TaskResult" } } |