Comments on: Automated Nagios monitoring with Puppet exported resources

By: lineslillestoreverden.blogspot.com

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By: Verlene

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By: Tom Murphy

Tom Murphy — Mon, 05 Dec 2016 09:50:26 +0000

My example snippet is assuming you already have a hostgroup called “Mgmt Servers”, you can change it to whatever yours is called or create one in Puppet with the nagios_hostgroup resource: https://docs.puppet.com/puppet/latest/type.html#nagioshostgroup

By: farooq ahmed

farooq ahmed — Thu, 01 Dec 2016 17:14:20 +0000

Hi Tom,

I had a query with regards to using hostgroups. You used hostgroups in @@nagios_host but that doesn’t create a hostgroups.cfg. It gives me this error.
Error: Could not find any hostgroup matching ‘Mgmt Servers’ (config file ‘/usr/local/nagios/etc/objects/dev-local_hosts.cfg’, starting on line 66)

My target.pp
============
class nagios::target {
@@nagios_host { $fqdn:
ensure => present,
target => “/usr/local/nagios/etc/objects/${hostname}.cfg”,
alias => $hostname,
address => $ipaddress,
hostgroups => “Mgmt Servers”,
use => “linux-server”,
}

monitor.pp
===========
Nagios_host <> {
target => “/usr/local/nagios/etc/objects/dev-local_hosts.cfg”,
}
Nagios_service <> {
target => “/usr/local/nagios/etc/objects/dev-local_service.cfg”,
}
Can you tell me what am i missing??

Regards,
Farooq Ahmed

By: Farooq

Farooq — Wed, 06 Jan 2016 19:39:13 +0000

Can I ask how would I work if the client is not Linux and rather a hardware device like a vpn Router? In that case we can’t use NRPE but snmp for it.

By: Jon Archer

Jon Archer — Mon, 22 Jun 2015 11:10:31 +0000

Hi,
Nice writeup, I’m not sure if its the same in Nagios 4 but in 3 I had to make sure that nrpe was allowed to be contacted by the nagios server. I did this by adding the following into the nrpe config file
file_line { “allowed_hosts”:
line => “allowed_hosts = 127.0.0.1,192.168.1.29”,
path => “/etc/nagios/nrpe.cfg”,
match => “allowed_hosts”,
ensure => present,
notify => Service[“nrpe”],
}
where 192.168.1.29 is my nagios server.

By: Tom Murphy

Tom Murphy — Mon, 08 Jun 2015 22:44:00 +0000

Exported resources are stored in PuppetDB so naturally you need it.

By: craig

craig — Mon, 08 Jun 2015 17:52:52 +0000

I’m also curious if puppetdb is required.

By: Eileen

Eileen — Thu, 22 Jan 2015 15:34:17 +0000

If we are using Hiera to store the facts..is the puppetdb necessary for this?

By: Tom Murphy

Tom Murphy — Mon, 08 Sep 2014 15:26:23 +0000

Hi Dave,
Apologies, I have corrected the code, it should require the install class and not server class.