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Gardener

Universal Kubernetes at Scale

🌱 Welcome to the Gardener Project on GitHub

Gardener Logo

👋 Welcome to the official GitHub organization of the Gardener Project. We are an open-source project that brings homogeneous Kubernetes-clusters-as-a-Service to multi-cloud environments. Our mission is to provide robust, scalable, and efficient Kubernetes clusters using hosted control planes.

🌐 What is Gardener?

Gardener is a Kubernetes extension that implements automated system management. It provides a lean, extensible, and multi-cloud capable API server that integrates existing cloud providers and open-source cloud computing libraries. Gardener is designed to support scalability and resilience for large-scale systems, and it's capable of managing thousands of Kubernetes clusters across multiple cloud providers (AWS, GCP, Azure, OpenStack, AliCloud, and more).

Enter the free demo playground environment and explore Gardener yourself!

📌 Gardener and NeoNephos

Gardener has been donated to the NeoNephos Foundation, a Linux Foundation initiative dedicated to advancing open-source projects that align with the strategic objectives of Important Project of Common European Interest - Next Generation Cloud Infrastructures and Services (IPCEI-CIS) under neutral governance. Learn more about NeoNephos and our role within it here.

🤝 Gardener and ApeiroRA

ApeiroRA is a reference blueprint for an open, flexible, secure, and compliant next-generation cloud-edge continuum - and therefore a key contribution to IPCEI-CIS. At a high level, the projects of ApeiroRA allow users to provider-agnostically fetch, request and consume services, and for service providers to describe, offer and provision their services. By being open source, ApeiroRA provides a cross-border spillover effect, solidifying the foundation and future of the project. Learn more about ApeiroRA by checking out the official website.

🌟 Key Features

  • Multi-Cloud: Gardener supports a wide range of cloud providers, allowing you to deploy and manage Kubernetes clusters across different cloud environments.
  • Automated Operations: Gardener automates many of the day-to-day tasks involved in managing Kubernetes clusters, such as updates, backups, and scaling.
  • Extensibility: Gardener is designed to be extensible, allowing you to add support for new infrastructure providers, operating systems, networking plugins, and more.
  • Secure and Compliant: Gardener ensures that the Kubernetes clusters are secure and compliant with the necessary standards.
  • Conformance: All Kubernetes clusters managed by Gardener are conformant as per the CNCF's conformance tests.
  • Open-Source: Gardener is completely open-source. We welcome contributions from the community and believe in the power of collaborative development.

👥 Get Involved

We welcome contributions of all kinds, from code to documentation, testing, and design. If you're interested in getting involved, check out our contribution guidelines and our open issues.

📚 Learn More

To learn more about Gardener, visit our official website at https://gardener.cloud. We provide a free demo playground to provide you with a hands-on experience of Gardener. You can also find our documentation here and can reach out to us via Slack (join the workspace here).

Bundesministerium für Wirtschaft und Energie (BMWE)-EU funding logo

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  1. gardener gardener Public

    Homogeneous Kubernetes clusters at scale on any infrastructure using hosted control planes.

    Go 3.4k 561

  2. machine-controller-manager machine-controller-manager Public

    Declarative way of managing machines for Kubernetes cluster

    Go 284 136

  3. etcd-druid etcd-druid Public

    An etcd operator to configure, provision, reconcile and monitor etcd clusters.

    Go 110 65

  4. etcd-backup-restore etcd-backup-restore Public

    Collection of components to backup and restore the etcd of a Kubernetes cluster.

    Go 326 118

  5. dashboard dashboard Public

    Web-based GUI for Gardener installations.

    JavaScript 215 117

  6. autoscaler autoscaler Public

    Forked from kubernetes/autoscaler

    Customised fork of cluster-autoscaler to support machine-controller-manager

    Go 17 32

Repositories

Showing 10 of 113 repositories
  • dashboard Public

    Web-based GUI for Gardener installations.

    gardener/dashboard’s past year of commit activity
    JavaScript 215 Apache-2.0 117 84 26 Updated Mar 29, 2026
  • gardener Public

    Homogeneous Kubernetes clusters at scale on any infrastructure using hosted control planes.

    gardener/gardener’s past year of commit activity
    Go 3,352 Apache-2.0 561 168 (7 issues need help) 43 Updated Mar 28, 2026
  • quic-reverse-http-tunnel Public

    A reverse HTTP Tunnel using QUIC protocol

    gardener/quic-reverse-http-tunnel’s past year of commit activity
    Go 6 Apache-2.0 6 0 1 Updated Mar 28, 2026
  • gardener-extension-os-suse-chost Public

    Gardener extension controller for the SUSE Container Host operating system (CHost).

    gardener/gardener-extension-os-suse-chost’s past year of commit activity
    Go 5 Apache-2.0 34 2 1 Updated Mar 27, 2026
  • ci-infra Public

    Test infrastructure for the Gardener project.

    gardener/ci-infra’s past year of commit activity
    Go 6 Apache-2.0 60 2 9 Updated Mar 27, 2026
  • apiserver-proxy Public

    SNI Passthrough proxy for kube-apiservers

    gardener/apiserver-proxy’s past year of commit activity
    Shell 13 Apache-2.0 22 1 2 Updated Mar 27, 2026
  • gardener-extension-shoot-dns-service Public

    Gardener extension controller for DNS services for shoot clusters.

    gardener/gardener-extension-shoot-dns-service’s past year of commit activity
    Go 10 Apache-2.0 39 7 3 Updated Mar 27, 2026
  • gardener-extension-shoot-traefik Public

    Gardener extension controller for traefik ingress. (https://github.com/traefik/traefik)

    gardener/gardener-extension-shoot-traefik’s past year of commit activity
    Go 0 Apache-2.0 1 1 7 Updated Mar 27, 2026
  • gardenlogin Public

    kubectl credential plugin for shoot cluster admin authentication

    gardener/gardenlogin’s past year of commit activity
    Go 16 Apache-2.0 16 2 3 Updated Mar 27, 2026
  • gardener-extension-image-rewriter Public

    This project provides a Gardener extension that replaces pod image references for system components of shoot clusters.

    gardener/gardener-extension-image-rewriter’s past year of commit activity
    Go 2 Apache-2.0 4 1 1 Updated Mar 27, 2026