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Pro Puppet by Jeffrey McCune, James Turnbull

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Chapter 11. Marionette Collective

In Chapter 10, you learned about the puppet-module and cucumber-puppet tools. Both of these tools help automate the process of developing and testing Puppet modules. Similarly, Marionette Collective (MCollective) is an orchestration framework closely related to Puppet. Puppet excels at managing the state of your systems; however, the default 30-minute run interval of the Puppet agent makes it unsuitable for real-time command and control. MCollective addresses the need to execute commands in real-time on a large number of systems in a novel and unique manner. With MCollective, nodes are easily divided into collections based on information about the node itself rather than hostnames. The use of metadata means you ...

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