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Configuration of nagios in a puppet environment
Perl Puppet Shell Python
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README

Documentation for Nagios puppet module

classes
    - nagios
    - nagios::client
    - nagios::server


nagios
------
base nagios install, inherited by client and server

nagios::client
--------------
client peice
installs
    - nrpe
    - nagios-plugins

creates
    - nrep.cfg (template)
    defines base values for all the plugin info
    sets up monitoring of nrpe and associated basic nrpe services (check manifests for further details)
    

Defines
-------
nagios::host
============
    create a host to be monitored in nagios
    the nagios::client class creates this automatically for any host that has that class defined
    in general the only other use for this type is to create host monitoring clauses for hosts that are
    not managed by puppet

minimum requirements:
nagios::host { NAME:
} 

common evocation:
nagios::host { NAME:
    parents             => "parent1",
    dummy_service       => true,
    escalation_groups   => [ "contactgroup", "contactgroup2" ], #must be an array
}

full options :
nagios::host { NAME:
    $nagios_template = 'generic-host',
    $host_name = #defaults to fully qualified hostname
    $host_groups = [],
    $nagios_alias = #defaults to fully qualified hostname
    $parents = '', [1]
    $contact_groups = $default_contact_group,
    $dependency = false,
    $dependent_host = '',
    $escalation_groups = [], [2]
    $escalation_stages = [ 7, 10 ],
    $dummy_service = false, [3]
    $check_command = 'check-host-alive'
}

Notes:
[1] if you define a parent that parent must exist as a host or nagios will fail to restart
    this type does not create the host for you
[2] escalations default to 7th and 10th notification, but there is no current default escalation
[3] dummy service means the service check attatched to this host will *always* succeed (useful for routers)



nagios::service
===============
    creates a service to be monitored in nagios

minimum requirements:
nagios::service { NAME:
    check_command       => "valid check command",
}

full options:
nagios::service { NAME:
    $nagios_template = 'generic-service',
    $host_name = $fqdn,
    $service_groups = [],
    $contact_groups = $default_contact_group,
    $max_check_attempts = 3,
    $dependency = false, [1]
    $dependent_host = $fqdn,
    $dependent_services = '', 
    $escalation_groups = [],
    $escalation_stages = [ 7, 10 ],
    $check_command = ''
}

Notes:
[1] basic deps work fine, if you are trying to do something complex this may not be the appropriate way to do it
you can specify another dependent host and corresponding service to do things like build a dependency on a db on another machine
but if you have multiple dependencies like the core service depends on 2 different dbs on 2 different servers you have to be careful
how you set it up.  It may work fine to list the hosts seperated by commas and then the hosts in the same order
but this hasn't been tested so you've been warned.



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