(PIE-1102) Send only changed reports

[coreymbe]

Summary

A commonly requested feature for this module is the ability to send only reports that contain changes. This commit adds the ability to configure this type of functionality.

Detailed Description

• Adding the new boolean parameter splunk_hec::only_changes to init.pp.
• When configured adding the setting to splunk_hec.yaml.
  • Adding logic to lib/puppet/reports/splunk_hec.rb preventing report processing when the report status has not changed.
• Updated Customized Reporting section in the README.

Checklist

[X] Ensure README is updated
[X] Any changes to existing documentation
[X] Anything new added
[X] Link to external Puppet documentation
[ ] Review Support Playbook for any needed updates
[ ] Unit Tests
[X] PR title is "(Ticket|Maint) Short Description"
[X] Commit title matches PR title

[puppet-community-rangefinder]

splunk_hec is a class

that may have no external impact to Forge modules.

This module is declared in 2 of 579 indexed public Puppetfiles.

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These results were generated with Rangefinder, a tool that helps predict the downstream impact of breaking changes to elements used in Puppet modules. You can run this on the command line to get a full report.

Exact matches are those that we can positively identify via namespace and the declaring modules' metadata. Non-namespaced items, such as Puppet 3.x functions, will always be reported as near matches only.