In this post I give you a HashiCorp Serf with Puppet R10k HOWTO that will fire off r10k updates on your compile masters.
In this post I will you walk you through creating Serf custom queries that will allow you to perform actions on your infrastructure and get a response back.
This post will walk you through how to install Serf on a multiple node Ubuntu cluster. Serf is an awesome clustering application that managers cluster membership, is decentralized, and recovers from downed nodes quickly.
In this post, I will show you a way of orchestrating Puppet with Serf from HashiCorp. This will give a replacement for MCollective.