This is an example to install the newrelic-sysmond package on the Puppet Agent.
class system::newrelic-sysmond ($licensekey) {
package { "newrelic-sysmond": ensure => installed, }
exec { 'Insert newrelic license key':
command => "nrsysmond-config --set license_key=$licensekey",
require => Package['newrelic-sysmond'],
creates => '/etc/newrelic/key_added',
}
exec { 'Restart newrelic system monitor':
command => "/etc/init.d/newrelic-sysmond start",
require => Exec['Insert newrelic license key'],
creates => '/etc/newrelic/key_added',
}
exec { 'Create the key_added file':
command => "echo key_added > /etc/newrelic/key_added",
require => Exec['Restart newrelic system monitor'],
creates => '/etc/newrelic/key_added',
}
}
Done =)
Eureka! 
Thanks for example really useful. Just wondering what the best way of calling this would be should I include this class in init.pp like this
if $::newrelic_license != '' { class { 'newrelic-sysmond': $licensekey => $::newrelic_license, } }or would there be a better way?
Thank you very much for the help. 🙂
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It really depends on how you structure the puppet codes. So if it works and ppl understand it, that’s good.
If you are looking for puppet design pattern, here is a very good resource.
Designing Puppet – Roles and Profiles.
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