create-memorydump.ps1

param ( [string]
        [ValidateSet("Confluence", "Jira")] 
        $Application,
        
        [string]
        $DumpFolder = "N:\temp"
        
        )
        
$currentDate = Get-Date
$PSExecLocation = "N:\Utilities\PSTools\PsExec.exe"
$JstackLocation = "N:\Utilities\JDK\bin\jstack.exe"

$dumpFile = "$DumpFolder\$Application-memdump-$($currentDate.ToString("yyyy-MM-dd-HHmmss")).txt"


# perform some checks first
if (!(Test-Path $DumpFolder -PathType Container))
{
    Write-Host "Folder $DumpFolder does not exist. Please create and try again." -f Red
    return
}
if (!(Test-Path $PSExecLocation -PathType Leaf))
{
    Write-Host "File $PSExecLocation does not exist. Please investigate and try again." -f Red
    return
}
if (!(Test-Path $JstackLocation -PathType Leaf))
{
    Write-Host "File $JstackLocation does not exist. Please investigate and try again." -f Red
    return
}
#determine the Process ID
$ProcessID = Get-Process tomcat7 |Where-Object {$_.Path -ilike "*$Application*"} | Select-Object Id
if ($ProcessID -eq $null)
{
    Write-Host "Unable to determine the process Id for $Application. Please confirm it is running and try again." -f Red
    return
}
# if we get to here, assume all the bits are in place and run the command
Write-Host "Generating memory dump for $Application with PID $($ProcessID.Id) and storing in file $dumpFile" -f Cyan

# PSexec writes to STDERR so need to pipe it to stop it from outputting red text :P
$output = [string] (& $PSExecLocation -s $JstackLocation -l $ProcessID.Id 2>&1 | Out-File $dumpFile -Encoding utf8 )

Write-Host "All Done." -f Cyan