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Sharing and reusing configurations, rolling out upgrades, ensuring a security policy is correctly applied, automating repetitive tasks, preparing for disaster recovery... these are all missions for configuration management tools.
Rudder is a new, open source approach to this domain, built on existing and reliable components. By allowing experts and power-users to create reusable templates and configurations based on best practices, it enables other actors in the IT department to benefit from the advantages of configuration management: using a web-based interface, junior sysadmins can quickly setup new servers while learning and respecting best practices and company policy, while service managers and security officers can get instant reports on their policies compliance level.
This talk introduces Rudder and show some illustrative use cases before describing the architecture of it's main components and how they interact (a web interface written in Scala, the CFEngine 3 infrastructure used to manage hosts, OpenLDAP as an inventory and configuration data store...), including how to write your own techniques and extend existing ones.