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Learn how to transform Kubernetes API validation from complex handwritten code to simple declarative tags in this conference talk from KubeCon + CloudNativeCon. Discover the architectural patterns behind the validation-gen tool that replaces 15,000 lines of manual Go code with declarative API definitions, reducing review overhead and lowering barriers for new contributors. Explore the safe migration strategy being implemented across the Kubernetes project, including best practices for Special Interest Groups (SIGs) to adopt this approach. Gain insights into managing long-lived feature branches while maintaining continuous upstream synchronization, and understand how this fundamental shift enables advanced features like validation ratcheting and cross-field reference validation to simplify the contribution process and API maintenance.
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