Citrix Query User

gistfile1.txt

##################################################################
## Citrix User Query                                            ##
##                                                              ##
## Usage: Invoke on a Citrix server with path to a text file    ##
##        containing server names, delimited by new line chars  ##
##################################################################


# Only required parameter is a list of servers
param([string]$serverlist = $(Throw "No server list specified."))


# Email Config
$smtpHost = "smtp.domain.com"
$emailFrom = "[email protected]"
# Send-MailMessage must receive an array of strings for multiple recipients
$emailTo = @("[email protected]", "[email protected]")


# Fck Errors
trap {
	writeLog $logPath "$(Get-Date) TRAPPED: $_"
	Send-MailMessage -SmtpServer $smtpHost -From $emailFrom -To $emailTo -Subject 'Citrix User Query - Errors' -Body $_.Exception.Message
	exit
}


# Path to store logs
$logDir = "$env:allusersprofile\CitrixUserQuery\"
$logPath = "$logDir\{0}-CitrixUserQuery.log" -f (Get-Date).ToString('MMddyyyy')


# Create $logDir if it doesn't exist
if (!(Test-Path -path $logDir -pathtype container)) {New-Item $logDir -type directory}


# Reusable logger
function writeLog {
	param ([string]$logFile, [string]$txt)

    # Create $logPath if it doesn't exist
	if (!(Test-Path -path $logFile)) { New-Item $logFile -type file }

	Add-Content $logFile $txt
}


# Get servers from flat file (should be separated by newline chars)
$servers = Get-Content $serverlist

$farmusers = 0  # Track total users on farm
$nodes = @()    # Server-specific counts will be stored as objects

foreach ($server in $servers) {
    $exp = "query user /server:$server"
    $results = Invoke-Expression $exp
    if ($results) {
        $node = New-Object System.Object
        $node | Add-Member -type NoteProperty -name Name -value $server
        $node | Add-Member -type NoteProperty -name Users -value 0
        foreach ($user in $results) {
            if ($user.contains('ica')) {
                 $farmusers += 1
                 $node.Users += 1
            }
        }
        $nodes += $node
    }
}

$body = (Get-Date).toString() + "`n`n"
$body += "Total Active Users in Citrix Farm: $farmusers`n`n"
$body += $nodes | Sort-Object Users -descending | Format-Table -auto | Out-String
writeLog $logPath $body
Send-MailMessage -SmtpServer $smtpHost -From $emailFrom -To $emailTo -Subject 'Citrix User Query' -Body $body