Hi JL 🙂
I actually developed Splunk for Nagios specifically for Splunk 4.x and independently from splunk2nagios.
Splunk for Nagios features a script that can send alerts to Nagios from Splunk, eg. you can schedule a saved search in splunk and inject the search results into a nagios alert.
The app also allows you to search your nagios logs and it features a dashboard too 🙂
All the best,
Luke 🙂
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