A rapid introduction to Puppet
Puppet (https://puppetlabs.com) is an IT automation framework that helps system administrators manage large network infrastructure resources using a flexible, declarative approach to IT automation.
At the heart of Puppet is the concept of a manifest that describes the desired state of an infrastructure resource. In Puppet terms, a state can include the following:
- Which software packages are installed
- Which services are running and which aren't
- Software configuration details
Puppet manifests
Puppet uses a declarative Ruby-based DSL to describe system configuration in collections of files known as manifests. An example Puppet manifest for ZooKeeper is listed as follows:
package { 'zookeeper': ensure => "3.3.5*", } package ...Get Storm Blueprints: Patterns for Distributed Real-time Computation now with the O’Reilly learning platform.
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