Set variables in Traffic Policy for cleaner, reusable configs
Blog post from Ngrok
The introduction of the set-vars Traffic Policy action aims to address the complexity and lack of readability in API gateway configurations by enabling the creation and referencing of variables during requests or responses. This development not only simplifies configurations by reducing the need for long, embedded lists and repeated expressions but also enhances manageability and extensibility. By allowing variables to be set and reused, policies such as filtering traffic, managing authenticated users with OAuth, and blocking unwanted traffic become more streamlined and maintainable. The new feature provides flexibility, enabling custom nomenclature for variables, thereby improving the readability and future maintainability of traffic management rules. This update represents a significant improvement over existing API gateway configurations, which often do not offer similar capabilities, positioning it as a unique and valuable tool for infrastructure engineers.
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