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Project Gardener implements the automated management and operation of Kubernetes clusters as a service. Its main principle is to leverage Kubernetes concepts for all of its tasks.
Recently, most of the vendor specific logic has been developed in-tree. However, the project has grown to a size where it is very hard to extend, maintain, and test. With GEP-1 we have proposed how the architecture can be changed in a way to support external controllers that contain their very own vendor specifics. This way, we can keep Gardener core clean and independent.
This controller implements Gardener’s extension contract for the GCP provider.
An example for a
ControllerRegistration resource that can be used to register this controller to Gardener can be found here.
Please find more information regarding the extensibility concepts and a detailed proposal here.
Supported Kubernetes versions
This extension controller supports the following Kubernetes versions:
|Version||Support||Conformance test results|
 Conformance tests are still executed and validated, unfortunately no longer shown in TestGrid.
Please take a look here to see which versions are supported by Gardener in general.
How to start using or developing this extension controller locally
You can run the controller locally on your machine by executing
Feedback and Support
Please find further resources about out project here:
- Our landing page gardener.cloud
- “Gardener, the Kubernetes Botanist” blog on kubernetes.io
- “Gardener Project Update” blog on kubernetes.io
- GEP-1 (Gardener Enhancement Proposal) on extensibility
- GEP-4 (New
- Extensibility API documentation
- Gardener Extensions Golang library
- Gardener API Reference
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