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Alignak checks pack for Linux NRPE monitored hosts

Project description

Alignak checks package for NRPE checked hosts/services

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

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:alt: License AGPL v3

**Note:** *this check pack is only an example for checking linux / windows hosts using the Nagios NRPE commands. Please feel free to comment or suggest improvements :)*


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
cd alignak-checks-nrpe
sudo pip install .

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



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

# Take care to copy/rename the check_nrpe2 to check_nrpe if needed! Else, replace the check_nrpe
# command with check_nrpe2

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

**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 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 -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
# -----------------------------------------------------------------------------

CheckExternalScripts = 1
CheckEventLog = 1
CheckDisk = 1
CheckSystem = 1
NRPEServer = 1

; Alignak server Ip address
allowed hosts = address =

[/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 =

; 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 -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

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

Bugs, issues and contributing

Contributions to this project are welcome and encouraged ... `issues in the project repository <>`_ are the common way to raise an information.

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alignak_checks_nrpe-1.2.4.tar.gz (25.9 kB) Copy SHA256 hash SHA256 Source None Apr 30, 2018

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