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We have a puppet set up using the nagios types. Mostly it works fine, but sometimes I find that the generated puppet-hosts.cfg file keeps growing - the hosts are just added and re-added ad nauseam. Deleting the file and running puppetd -t regenerates it fine.

Our nagios host bit in the puppet nagios module is:

# set up alias
$real_nagios_alias = $nagios_alias ? { '' => $hostname, default => $nagios_alias }
$real_nagios_contact_groups = $nagios_contact_groups ? 
  { '' => 'admins', default => $nagios_contact_groups }
$real_nagios_parents = $nagios_parents ? { '' => '', default => $nagios_parents }

$default_nagios_hostgroups = 'all-servers'
$real_nagios_hostgroups = $nagios_hostgroups ? 
  { '' => $default_nagios_hostgroups, default => $nagios_hostgroups }


@@nagios_host { $hostname:
  ensure          => present,
  address         => $fqdn,
  alias           => $real_nagios_alias,
  contact_groups  => $real_nagios_contact_groups,
  hostgroups      => $real_nagios_hostgroups,
  parents         => $real_nagios_parents,
  use             => 'generic-host',
  target          => $nagios_puppet_host_file,
}

($nagios_puppet_host_file is defined in the main manifests/site.pp file). In the nagios server class we have the line:

Nagios_host              <<||>> { notify => Service['nagios'] }

When running puppetd -t on the nagios server, I often get an error along the lines of:

err: Could not prefetch nagios_host provider 'naginator': Could not parse configuration for nagios_host: line 15: syntax error at '
' in /usr/local/nagios/etc/puppet-hosts.cfg

The line number varies, but when I look in the file, the line number will line up with something like:

define host {
  address                        somehost.example.org
  contact_groups                 admins

The line number will be the line with "address" on it. Apart from that I've not spotted a pattern to which host it complains about.

So is there any reason why the hosts keep getting regenerated?

Puppet version is 0.25.4 generally, including on the puppet server, though it is 2.6.2 on the nagios server, which I guess may be the problem.

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1 Answer 1

up vote 2 down vote accepted

I think you're running into something related to Puppet Bug #4076. One workaround is to use David Schmitt's nagios module instead.

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Not only is the performance poor but but storeconfig has scaling problems as well. The auto-generated configs don't have any service information in them either. I've been thinking about moving all the service/nrpe knowledge I have encoded in Nagios over to puppet conf files but I haven't found the right module yet and may have to roll my own. –  Joshua Hoblitt Aug 22 '11 at 9:15

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