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Project Description
Alignak checks package for NRPE checked hosts/services
======================================================

*Checks pack for monitoring Unix/Linux or Windows hosts with NRPE active checks*


.. image:: https://badge.fury.io/py/alignak_checks_nrpe.svg
:target: https://badge.fury.io/py/alignak-checks-nrpe
:alt: Most recent PyPi version

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:target: http://webchat.freenode.net/?channels=%23alignak
:alt: Join the chat #alignak on freenode.net

.. image:: https://img.shields.io/badge/License-AGPL%20v3-blue.svg
:target: http://www.gnu.org/licenses/agpl-3.0
:alt: License AGPL v3


Installation
------------

The installation of this checks pack will copy some configuration files in the Alignak default configuration directory (eg. */usr/local/etc/alignak*). The copied files are located in the default sub-directory used for the packs (eg. *arbiter/packs*).

From PyPI
~~~~~~~~~
To install the package from PyPI:
::

sudo pip install alignak-checks-nrpe


From source files
~~~~~~~~~~~~~~~~~
To install the package from the source files:
::

git clone https://github.com/Alignak-monitoring-contrib/alignak-checks-nrpe
cd alignak-checks-nrpe
sudo pip install .

**Note:** *using `sudo python setup.py install` will not correctly manage the package configuration files! The recommended way is really to use `pip`;)*

Documentation
-------------

Configuration
~~~~~~~~~~~~~

This checks pack is using the `check_nrpe` Nagios plugin that must be installed on the Alignak server running your poller daemon.

For Unix (FreeBSD), you can simply install the NRPE plugin:
::

# Simple NRPE
pkg install nrpe

# NRPE with SSL
pkg install nrpe-ssl

For Linux distros, install the Nagios ``check_nrpe`` plugin from your system repository:
::

# Install local NRPE plugin
sudo apt-get install nagios-nrpe-plugin
# Note: This may install all the Nagios stuff on your machine...


After installation, the plugins are commonly installed in the */usr/local/libexec/nagios* directory.

The */usr/local/etc/alignak/arbiter/packs/resource.d/nrpe.cfg* file defines a global macro
that contains the NRPE check plugin installation path. You must edit this file to update the default path that is defined to the alignak ``$NAGIOSPLUGINSDIR$`` (defined in alignak default configuration).
::

#-- NRPE check plugin installation directory
# Default is to use the Alignak plugins directory
$NRPE_PLUGINS_DIR$=$NAGIOSPLUGINSDIR$
#--

**Note:** the default value for ``$NAGIOSPLUGINSDIR$`` is set as */usr/lib/nagios/plugins* which is the common installation directory used by the Nagios plugins.


Prepare monitored hosts
~~~~~~~~~~~~~~~~~~~~~~~

Some operations are necessary on the monitored hosts if NRPE remote access is not yet activated.
::
# Install local NRPE server
su -
apt-get update
apt-get install nagios-nrpe-server
apt-get install nagios-plugins

# Allow Alignak as a remote host
vi /etc/nagios/nrpe.cfg
=>
allowed_hosts = X.X.X.X

# Restart NRPE daemon
/etc/init.d/nagios-nrpe-server start

Test remote access with the plugins files:
::
/usr/local/var/libexec/alignak/check_nrpe -H 127.0.0.1 -t 9 -u -c check_load

**Note**: This configuration is the default Nagios NRPE daemon configuration. As such it does not allow to define arguments in the NRPE commands and, as of it, the warning / critical threshold are defined on the server side.


Prepare Unix/Linux monitored hosts
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Some operations are necessary on the monitored hosts if NRPE remote access is not yet activated.
::
# Install local NRPE server
su -
apt-get update
apt-get install nagios-nrpe-server
apt-get install nagios-plugins

# Allow Alignak as a remote host
vi /etc/nagios/nrpe.cfg
=>
allowed_hosts = X.X.X.X

# Restart NRPE daemon
/etc/init.d/nagios-nrpe-server start

Test remote access with the plugins files:
::

/usr/lib/nagios/plugins/check_nrpe -H 127.0.0.1 -t 9 -u -c check_load

**Note**: This configuration is the default Nagios NRPE daemon configuration. As such it does not allow to define arguments in the NRPE commands and, as of it, the warning / critical threshold are defined on the server side.


Prepare Windows monitored hosts
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Some operations are necessary on the Windows monitored hosts if NSClient++ is not yet installed and running.

Install and configure NSClient++ to allow remote NRPE checks. The example below is an NSClient Ini configuration file that allows to use the NRPE server.

::

# -----------------------------------------------------------------------------
# c:\Program Files\NSClient++\nsclient.ini
# -----------------------------------------------------------------------------

[/modules]
CheckExternalScripts = 1
CheckEventLog = 1
CheckDisk = 1
CheckSystem = 1
NRPEServer = 1

[/settings/default]
; Alignak server Ip address
allowed hosts = address = 192.168.15.1

[/settings/external scripts/alias]
alias_cpu = checkCPU warn=80 crit=90 time=5m time=1m time=30s
alias_cpu_ex = checkCPU warn=$ARG1$ crit=$ARG2$ time=5m time=1m time=30s
alias_disk = CheckDriveSize MinWarn=10% MinCrit=5% CheckAll FilterType=FIXED
alias_disk_loose = CheckDriveSize MinWarn=10% MinCrit=5% CheckAll FilterType=FIXED ignore-unreadable
alias_event_log = CheckEventLog file=application file=system MaxWarn=1 MaxCrit=1 "filter=generated gt -2d AND severity NOT IN ('success', 'informational') AND source != 'SideBySide'" truncate=800 unique descriptions "syntax=%severity%: %source%: %message% (%count%)"
alias_file_age = checkFile2 filter=out "file=$ARG1$" filter-written=>1d MaxWarn=1 MaxCrit=1 "syntax=%filename% %write%"
alias_file_size = CheckFiles "filter=size > $ARG2$" "path=$ARG1$" MaxWarn=1 MaxCrit=1 "syntax=%filename% %size%" max-dir-depth=10
alias_mem = checkMem MaxWarn=80% MaxCrit=90% ShowAll=long type=physical type=virtual type=paged type=page
alias_process = checkProcState "$ARG1$=started"
alias_process_count = checkProcState MaxWarnCount=$ARG2$ MaxCritCount=$ARG3$ "$ARG1$=started"
alias_process_hung = checkProcState MaxWarnCount=1 MaxCritCount=1 "$ARG1$=hung"
alias_process_stopped = checkProcState "$ARG1$=stopped"
alias_sched_all = CheckTaskSched "filter=exit_code ne 0" "syntax=%title%: %exit_code%" warn=>0
alias_sched_long = CheckTaskSched "filter=status = 'running' AND most_recent_run_time < -$ARG1$" "syntax=%title% (%most_recent_run_time%)" warn=>0
alias_sched_task = CheckTaskSched "filter=title eq '$ARG1$' AND exit_code ne 0" "syntax=%title% (%most_recent_run_time%)" warn=>0
alias_service = checkServiceState CheckAll
alias_service_ex = checkServiceState CheckAll "exclude=Net Driver HPZ12" "exclude=Pml Driver HPZ12" exclude=stisvc
alias_up = checkUpTime MinWarn=1d MinWarn=1h
alias_updates = check_updates -warning 0 -critical 0
alias_volumes = CheckDriveSize MinWarn=10% MinCrit=5% CheckAll=volumes FilterType=FIXED
alias_volumes_loose = CheckDriveSize MinWarn=10% MinCrit=5% CheckAll=volumes FilterType=FIXED ignore-unreadable
default =

[/settings/NRPE/server]
; COMMAND ARGUMENT PROCESSING - This option determines whether or not the we will allow clients to specify arguments to commands that are executed.
allow arguments = true

allow nasty characters = false
insecure = true
encoding = utf8

Test remote access with the plugins files:
::

/usr/lib/nagios/plugins/check_nrpe -H 127.0.0.1 -t 9 -u -c check_load



Alignak configuration
~~~~~~~~~~~~~~~~~~~~~

For a Linux monitored host, you simply have to tag the concerned host with the template ``linux-nrpe``.
::

define host{
use linux-nrpe
host_name linux_nrpe
address 127.0.0.1
}




For a Windows monitored host, you simply have to tag the concerned host with the template ``windows-nrpe``.
::

define host{
use windows-nrpe
host_name windows_nrpe
address 127.0.0.1
}





Bugs, issues and contributing
-----------------------------

Contributions to this project are welcome and encouraged ... `issues in the project repository <https: github.com="" alignak-monitoring-contrib="" alignak-checks-nrpe="" issues="">`_ are the common way to raise an information.
Release History

Release History

0.3.3

This version

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0.2.2b0

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
alignak_checks_nrpe-0.3.3.tar.gz (20.3 kB) Copy SHA256 Checksum SHA256 Source Jan 6, 2017

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