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by Nathen Harvey and Nell Shamrell-Harrington Managing your infrastructure with configuration management tools like Chef melds the practices of development and operations together. This workshop will focus on a development practice - Test Driven Development - and how that method can be applied to managing your Rails infrastructure and deployments. You will learn how to: Analyze your application and define your infrastructure needs (databases, load balancers, etc.), define unique infrastructure requirements for Rails applications (i.e. asset pipeline), capture your requirements in tests using Test Kitchen, ServerSpec, and other frameworks
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The video, titled **"Test Driving your Rails Infrastructure with Chef,"** features Nathen Harvey and Nell Shamrell-Harrington presenting at **RailsConf 2015**. The main focus of the workshop is utilizing **Test Driven Development (TDD)** principles to manage Rails infrastructure through Chef, a configuration management tool. The presenters emphasize the significance of integrating development and operations practices, showcasing how TDD can enhance infrastructure management and deployment practices. ### Key Points Covered: - **Introduction to Chef and Infrastructure as Code:** The session begins with an introduction to Chef, describing it as an open-source framework to handle infrastructure management using a policy-based system. The presenters discuss the importance of treating infrastructure like code by employing version control and testing. - **Why is DevOps Important?** Nathen Harvey shares a personal anecdote about how the collaboration between different music genres in the '80s exemplifies the concept of DevOps, highlighting the need for collaboration between developers and operations. - **Infrastructure Automation:** Key strategies in automating infrastructure are discussed, emphasizing the necessity of automation as applications scale. Harvey underlines that infrastructure as code enables teams to programmatically provision and configure their infrastructure components. - **Policy Management with Chef:** The presenters explain how Chef allows users to capture the desired state of their infrastructure, managing its components effectively. The Chef server holds policies and information about various nodes, streamlining management efforts. - **Hands-on Lab Activity:** A practical lab section is included where attendees are guided to install a text editor using Chef, demonstrating the process to apply Chef components in real-time scenarios. - **Testing Infrastructure Code:** The importance of testing in the infrastructure code lifecycle is emphasized, suggesting that rigorous tests are essential before deployment. Key questions for validation include checking the success of the Chef client, ensuring nodes are in the desired state, and adherence to style guides. ### Conclusion and Takeaways: - The workshop ultimately encourages infrastructure management with a **TDD mindset**, ensuring safety and reliability in deployments. - Attendees are expected to experiment with Chef to manage their Rails applications effectively, applying the principles of TDD to their infrastructure needs. In summary, the session provides insights into the integration of development practices with operations through robust infrastructure management, driving home the importance of collaboration, automation, and testing in modern software development environments.
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