Puppet Hiera and Data Separation focus on managing configuration data separately from Puppet code to improve flexibility and maintainability. Hiera is Puppet’s built-in key-value lookup system that stores configuration data outside manifests and modules. This training explains how to organize hierarchical data, manage environment-specific configurations, and simplify infrastructure automation. It also covers data lookups, YAML configuration files, parameterized classes, and secure handling of sensitive information. You will learn how separating data from code improves scalability, reusability, and consistency across infrastructure environments. The course also highlights best practices for managing structured configuration data and maintaining efficient Puppet workflows.
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