# Microsoft Skype for Business Server - Management Store Replication Status Check
#
# Info:
# This NSCP (former known as NSClient++) plugin will check the Management Store Replication Status on the SfB Frontend Server where it is running on.
#
# 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.
#
# You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Revision History:
# Version 1.0: 2016-05-21	Bastian W. [Bastian@gmx-ist-cool.de]
#				* initial version
#
#
# Info:
# This powershell plugin for the NSClient++ can be used to monitor the management store replication from a Microsoft Lync 2013 Server
#
#
# FAQ:
#	How To solve "cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help about_signing" for more details."
# 	See: http://technet.microsoft.com/en-us/library/ee176949.aspx [a possible solution would be 'Set-ExecutionPolicy RemoteSigned']
#
# Installation:
#
# 1.)
# Create a folder on C:\ called "NagiosMonitoring" if it didn´t exist, and put this script into that folder.
#
# Note: If you use another Foldername, you need to change this script completly!
#
# 2.)
# Now start a Powershell and run the following comands (to test if the script is working for you)
# "C:"
# "cd NagiosMonitoring"
# ".\NagiosMonitoring_SfB_ManagementStoreReplicationStatus.ps1"
#
# 3.)
# Add this script to the NSClient++ configuration (file: NSC.ini)
#
# [External Scripts]
# SfBManagementStoreReplicationStatusCheck=cmd /c echo C:\NagiosMonitoring\NagiosMonitoring_SfB_ManagementStoreReplicationStatus.ps1 | PowerShell.exe -Command -
#
# 
# 4.)
# uncommend CheckExternalScripts.dll in the NSClient++ configuration (file: NSC.ini)
#
# 5.)
# restart the NSClient++ Service
#
# 6.)
# Add the script to your nagios environment

# =========================================================================================================================
#
# ------------- Do not change anything behind that line ! ----------------------------
#
#
# Buildinfo: 
# 


$status = 0;
$desc = "";
$Result ="";

# Get-CsManagementStoreReplicationStatus -CentralManagementStoreStatus
# http://support.microsoft.com/en-us/kb/2759117
# https://technet.microsoft.com/en-us/library/gg398292.aspx
# Get-CsManagementStoreReplicationStatus

# $sServerFQND = [System.Net.Dns]::GetHostEntry([string]$env:computername).HostName
# Get-CsManagementStoreReplicationStatus -ReplicaFqdn $sServerFQND

# Test: Get-CsManagementStoreReplicationStatus | Select-Object 


$sServerFQND = [System.Net.Dns]::GetHostEntry([string]$env:computername).HostName
# Get the FQND here, we require that for the Get-CsManagementStoreReplicationStatus


ForEach ($Result in Get-CsManagementStoreReplicationStatus -ReplicaFqdn $sServerFQND | Select-Object UpToDate)
{

	if($Result.UpToDate -like "True") 
	{
        $status = 0;
		$desc="Management store replication status up to date"
    } 
	elseif($Result.UpToDate -like "False") 
	{
        $status=2;
		$desc="Management store replication status NOT up to date"
    }
	else 
	{
        # Somethings up..
        $status=2;
        $desc="Unknown Failure"
    }

}

if ($status -eq "2") 
{
	Write-Host "CRITICAL: "$desc
} 
elseif ($status -eq "0") 
{
	Write-Host "OK: "$desc
} 

exit $status;