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kpt is a package-centric toolchain that enables a WYSIWYG configuration authoring, automation, and delivery experience, which simplifies managing Kubernetes platforms and KRM-driven infrastructure (e.g., Config Connector, Crossplane) at scale by manipulating declarative Configuration as Data. Any general-purpose or domain-specific language can be used to create functions to transform and/or validate the YAML KRM input/output format, but we provide SDKs to simplify the function authoring process, in Go, Typescript, and Starlark, a Python-like embedded language. A catalog of off-the-shelf, tested functions. kpt makes configuration easy to create and transform, via reusable functions. Because they are expected to be used for in-place transformation, the functions need to be idempotent. The package orchestrator enables the magic behind the unique WYSIWYG experience.
Features
- Makes configuration data the source of truth, stored separately from the live state
- Uses a uniform, serializable data model to represent configuration
- Separates code that acts on the configuration from the data and from packages / bundles of the data
- Abstracts configuration file structure and storage from operations that act upon the configuration data
- kpt enables WYSIWYG editing and interoperable automation applied to declarative configuration data, similar to how the live state can be modified with imperative tools
- The kpt CLI supports package and function operations, and also deployment, via either direct apply or GitOps
Project Samples
