# Test Content Index State Health
# 
# This script will execute the "Get-MailboxDatabaseCopyStatus" command
# and look for an failed Content Index State
# 
# Example:
# Name              : MAILBOX1\EXCHANGESERVER1
# ContentIndexState : Failed
# 
# Name              : MAILBOX2\EXCHANGESERVER1
# ContentIndexState : Healthy
# 
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
#
# Revision History
# 2012-06-28	Bastian W. [Bastian@gmx-ist-cool.de]	1.0 code initial created
# 2016-07-18	Bastian W. [Bastian@gmx-ist-cool.de]	2.0
#															 - Script will now try to resume a DB copy if you wish
#
#
# To execute from within NSClient++
#
#[NRPE Handlers]
#check_exchange_dag_indexstate_health=cmd /c echo C:\Scripts\NagiosMonitoring_Exchange2010ContentIndexStateHealth.ps1 | PowerShell.exe -Command -
#
# On the check_nrpe command include the -t 20, since it takes some time to load
# the Exchange cmdlet's.


# CONFIGURATION
# --------------
# change so that it fits your needs!

$AutoResumeDBCopy = 0
# if enabled the script will try to auto resume the DB if a failed state was detected.



# ------------------------ do not change anything behind that line !!! -----------------------------
# ===================================================================================================

$sDebugScript = 1

#if (get-pssnapin $snapin -registered -ea "silentlycontinue")
if ( (Get-PSSnapin -Name Microsoft.Exchange.Management.PowerShell.E2010 -ErrorAction:SilentlyContinue) -eq $null)
{
    Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010
}

$NagiosStatus = "0"
$NagiosDescription = ""

ForEach ($Type in Get-MailboxDatabaseCopyStatus -Server  $env:computername) 
{

 	# Look for failed Index state
	if ($Type.ContentIndexState -notlike "*Healthy*") 
	{
		# Format the output for Nagios
		if ($NagiosDescription -ne "") 
		{
			$NagiosDescription = $NagiosDescription + ", "
		}
		
		$NagiosDescription = $NagiosDescription + $Type.Name + " = " + $Type.ContentIndexState
		
		# Set the status to failed.
		$NagiosStatus = "2"
		
		if ($Type.Status -eq "FailedAndSuspended") 
		{
			
			if ($sDebugScript -eq 1){Write-Host " Debug:: DB"$Type.Name"is suspended" -foregroundcolor magenta}
			
			if ($AutoResumeDBCopy -eq 1)
			{
				if ($sDebugScript -eq 1){Write-Host " Debug:: Will auto resume DB"$Type.Name -foregroundcolor magenta}
				resume-mailboxdatabasecopy $Type.Name
			}
			
		}
		
	}
}

# Output, what level should we tell our caller?
if ($NagiosStatus -eq "2") 
{
	Write-Host "CRITICAL:"$NagiosDescription
} 
else 
{
	Write-Host "OK: All content index states are healthy!"
}

exit $NagiosStatus