# This script will count the connected Desktops within a VMware View environment.
# this a first working release v1.0
# 1/29/2013
 
# Define Critical & Warning levels to alert back to Nagios.
$Critical = 10
$Warning = 8
 
###############################################################################################
# Set variables to 0
$Count = 0
$returnStateOK = 0
$returnStateWarning = 1
$returnStateCritical = 2
 
# Add VMware View PowerShell Snapin.
add-PSSnapin "VMware.View.Broker"
 
# Collect Desktop Information
ForEach ($Result in Get-RemoteSession -pool_id DS7 | Select state)
{
if ($Result.state -eq "CONNECTED")
{
  $Count = $Count + 1
}
elseif ($Result.state -eq "Error")
{
  $Count = $Count + 1
}
elseif ($Result.state -eq "Agent unreachable")
{
  $Count = $Count + 1
}
}
 
### PerformanceData Output
$NagiosPerfData = "|Active sessions=" + $Count + ";8;10"
$NagiosPerfData = $NagiosPerfData -replace " ", ""
$Users = ((Get-RemoteSession -pool_id DS7)|Where-Object{$_.state -eq "CONNECTED"}) | select duraTion, username #starTime
$Users = $Users -replace "", ""
#############################################################
 
if ($Count -ge $Critical)
{
#CRITICAL
Write-Host "Activesessions="$Count" "$Users" "$NagiosPerfData 
     exit $returnStateCritical
} 
elseif ($Count -ge $Warning)
{
#WARNING
Write-Host "Activesessions="$Count" "$Users" "$NagiosPerfData
     exit $NagiosStatus = 1
} 
else 
{
#OK
  Write-Host "Activesessions="$Count" "$Users" "$NagiosPerfData
  }
exit $NagiosStatus