To turn on reporting, set report = true in the [agent] section of puppet.conf on all your nodes.
Once you have done that, you need to configure the master to deal with reports. There are several report types included with Puppet; they are listed at: http://docs.puppetlabs.com/references/latest/report.html. Puppet Labs documentation on reporting can be found at: http://docs.puppetlabs.com/guides/reporting.html.
There are three simple reporting options included with Puppet: http, log, and store. The http option will send the report as a YAML file via a POST operation to the HTTP or HTTPS URL pointed to by the reporturl setting in puppet.conf. The log option uses syslog to send reports from the nodes via syslog on the master; this method will only work with the WEBrick and Passenger implementations of Puppet. puppetserver sends syslog messages via the Logback mechanism, which is covered in a following section. The last option is store, which simply stores the report as a...