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Nagios 2.x and Centreon 1.4.1

Environment
  • Host: Vista Business
  • Guest: Ubuntu 7.10
  • VirtualBox 1.5.2
  • Nagios 2.9-1
  • Centreon 1.4.1
  • MySQL 5.0.45-1ubuntu3


Introduction
Integrate Nagios and Centreon for network management



Install Nagios2
apt-get install nagios2 nagios-images nagios-plugins

Create an administrator user for nagios
#cd /etc/nagios2
#htpasswd -c htpasswd.users nagiosadmin


Install MySQL5.0
apt-get install mysql-server-5.0


Install PHP5
#apt-get install php5
#apt-get install php-db php-date
#apt-get install php5-gd php5-mysql php5-snmp php5-ldap
#apt-get install php-mail php-mail-mime php-net-smtp php-net-socket
#apt-get install php5-xmlrpc


Install RRDTool
#apt-get install rrdtool librrds-perl


Install SNMP
#apt-get install snmp snmpd libnet-snmp-perl


Upgrade PEAR and Install Needed Components
#pear upgrade pear
#pear install -o -f --alldeps DB_DataObject DB_DataObject_FormBuilder MDB2 Numbers_Roman Numbers_Words HTML_Common HTML_QuickForm HTML_QuickForm_advmultiselect HTML_Table Auth_SASL HTTP Image_Canvas Image_Color Image_Graph Image_GraphViz Net_Traceroute Net_Ping Validate XML_RPC SOAP


Install Centreon
#wget http://download.oreon-project.org/centreon/centreon-1.4.1.tar.gz
#tar zxvf centreon-1.4.1.tar.gz
#cd centreon-1.4.1
#./install.sh

Are you sure to continue ?
[y/n], default to [n]:y

Where is installed Nagios ?
default to [/usr/local/nagios]:/lib/cgi-bin/nagios2

Where are your nagios etc directory ?
default to [/lib/cgi-bin/nagios2/etc]:/etc/nagios2

Where are your nagios plugins / libexec  directory ?
default to [/lib/cgi-bin/nagios2/libexec]:/usr/lib/nagios/plugins

Where are your nagios bin  directory ?
default to [/lib/cgi-bin/nagios2/bin]:/usr/sbin

Where do I install Oreon ?
default to [/usr/local/oreon]:

Where is sudo ?
default to [/etc/sudoers]:

Where is installed RRD perl modules (RRDs.pm) ?
Just put directory, not full path.
default to [/usr/local/rrdtool/lib/perl]:/usr/lib/perl5

Where is rrdtool binary ?
default to [/usr/bin/rrdtool]:

Where is mail binary ?
default to [/usr/bin/mail]:

Where is PEAR Path ?
default to [/usr/share/pear]:/usr/share/php

Do you want to install Oreon Plugins ?

[y/n], default to [y]:

Do you want to install Oreon Traps Plugins ?

[y/n], default to [y]:

Where is your SNMP configuration file?
default to [/etc/snmp/]:

You already seem to have installed the plugins Oreon.
Do you want overwrite this file ? You must regenerate this one from Oreon interface.
[y/n], default to [n]:y

Please specify user do you use for oreon cron
By default, oreon use nagios user, it's correct ?
[y] or specifie user, default to [nagios]


Setup Centreon
Start a firefox to navigate to http://localhost/oreon/install/setup.php

Parameters List
Nagios Version
2.x
Oreon Database
oreon
Oreon Data Storage Database
ods
MySQL Client Version
>= 4.1



Reload Nagios Configuration
Once setup is compeleted. Nagios configuration can be loaded to Centreon

First prepare a tar file of check command since Centreon supports upload a tar/zip file for loading configuration
#tar cvvf config.tar /etc/nagios-plugins/config/


Navigate to "Configuration" > "Nagios" > "Load"
  • File Type: nagios.cfg. /etc/nagios2/nagios.cfg
  • File Type: cgi.cfg, /etc/nagios2/cgi.cfg
  • File Type: /etc/nagios2/cgi.cfg
  • File Type: Template based method file, Command Type: Check Command, /etc/nagios-plugins/config.tar

After loading the configuration, enable all are loaded



Edit Centreon Configuration
For Centreon can restart Nagios, there are some values that are needed to change

Navigate to "Options" > "General Options" > "Nagios"

Parameters List
Init Script /etc/init.d/nagios2
Directory /usr/lib/cgi-bin/nagios2
Directory + binary/usr/sbin/nagios2
Image Directory/usr/share/nagios/htdocs/images
Plugins Directory/usr/lib/nagios/plugins



Centreon Graphics
Edit /usr/lib/nagios/plugins/process-service-perfdata to change "PERFFILE" to be
PERFFILE="/var/lib/nagios2/service-perfdata"
Navigate to "Configuration" > "Nagios" > "Nagios CFG" > Select the configuration is using currently
  • Set "Host Performance Data Processing Command" to "process-service-perfdata"
  • Set "Service Performance Data Processing Command" to "process-service-perfdata"

Navigate to "Options" > "Centreon" > "General Options" > "CentreonDataStorage"
  • Set "Perfdata" to "/var/lib/nagios2/service-perfdata"
  • Set "Drop file" to "/var/lib/nagios2/service-perdata.tmp"
Set ODS will be run automatically since Cenreon Graphics are depended on this
update-rc.d ods start 20 3 4 5 . stop 20 0 1 6 .

Useful Sites
  • http://www.nagios.org/
  • http://www.oreon-project.org/
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