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Alignak checks pack for SNMP monitored hosts

Project description

Alignak checks package for SNMP
===============================

Checks pack for monitoring hosts with SNMP


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

From PyPI
~~~~~~~~~
To install the package from PyPI:
::
pip install alignak-checks-snmp


From source files
~~~~~~~~~~~~~~~~~
To install the package from the source files:
::
git clone https://github.com/Alignak-monitoring-contrib/alignak-checks-snmp
cd alignak-checks-snmp
sudo python setup.py install


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

Install PERL dependencies for PERL plugins
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You must install some PERL dependencies for the PERL plugins.

On some Linux distros, you can::

su -
apt-get install libsnmp-perl libnet-snmp-perl

Or you can use the PERL *cpan* utility::

cpan install Net::SNMP


Configuration
~~~~~~~~~~~~~
Edit the */usr/local/etc/alignak/arbiter/packs/snmp/resources.cfg* file and configure the SNMP community.
::
#-- Default SNMP community
$SNMPCOMMUNITYREAD$=public

Prepare host
~~~~~~~~~~~~
Some operations are necessary on the monitored hosts if SNMP remote access is not yet activated.
::
# Install local SNMP agent
su -
apt-get update
apt-get install snmpd

# Allow SNMP get - this configuration is intended for tests puuposes
# You should set up a more secure configuration and not allow everyone to see everything :)
vi /etc/snmp/snmpd.conf
=>
# Listen for connections from the local system only
#agentAddress udp:127.0.0.1:161
# Listen for connections on all interfaces (both IPv4 *and* IPv6)
agentAddress udp:161,udp6:[::1]:161
=>
# rocommunity public default -V systemonly
rocommunity public
# Restart SNMP agent
/etc/init.d/snmpd restart

Test remote access with the plugins files:
::
$ /usr/local/var/libexec/alignak/check_snmp_mem.pl -H 127.0.0.1 -C public -w 80,80 -c 90,95
Ram : 71%, Swap : 58% : ; OK


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

To define the SNMP community to be used per default, edit the *resources.cfg* file and change the default value.
::
$SNMPCOMMUNITYREAD$=public


You simply have to tag the concerned hosts with the template `linux-snmp`.
::

define host{
use linux-snmp
host_name host_snmp
address 127.0.0.1
}


The main `linux-snmp` template declares macros used to configure the launched checks. The default values of these macros listed hereunder can be overriden in each host configuration.
::

_SNMPCOMMUNITY $SNMPCOMMUNITYREAD$
_SNMP_MSG_MAX_SIZE 65535

_LOAD_WARN 2,2,2
_LOAD_CRIT 3,3,3
_STORAGE_WARN 90
_STORAGE_CRIT 95
_CPU_WARN 80
_CPU_CRIT 90
_MEMORY_WARN 80,80
_MEMORY_CRIT 95,95
_NET_IFACES eth\d+|em\d+
_NET_WARN 90,90,0,0,0,0
_NET_CRIT 0,0,0,0,0,0


To set a specific value for an host, declare the same macro in the host definition file.
::

define host{
use linux-snmp
host_name host_snmp
address 127.0.0.1

# Specific values for this host
# Change warning and critical alerts level for memory
# Same for CPU, ALL_CPU, DISK, LOAD, NET, ...
_LOAD_WARN 3,3,3
_LOAD_CRIT 5,5,5
}


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.

License
-------

Alignak Pack Checks SNMP is available under the `GPL version 3 license`_.

.. _GPL version 3 license: http://opensource.org/licenses/GPL-3.0

Project details


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