v0.3.0

🚨 This is a MAJOR release. A number of breaking changes exist in this release.

Proposals implemented in this release

Kubeadm based control plane

• Proposal: https://github.com/kubernetes-sigs/cluster-api/blob/master/docs/proposals/20191017-kubeadm-based-control-plane.md
• In depth controller overview: https://cluster-api.sigs.k8s.io/developer/architecture/controllers/control-plane.html
• Upgrades: https://cluster-api.sigs.k8s.io/tasks/kubeadm-control-plane.html#upgrading-workload-clusters

Clusterctl v2

• Proposal: https://github.com/kubernetes-sigs/cluster-api/blob/master/docs/proposals/20191016-clusterctl-redesign.md
• Overview: https://cluster-api.sigs.k8s.io/clusterctl/overview.html

Machine Health Checking and Remediation

• Proposal: https://github.com/kubernetes-sigs/cluster-api/blob/master/docs/proposals/20191030-machine-health-checking.md
• In depth controller overview: https://cluster-api.sigs.k8s.io/developer/architecture/controllers/machine-health-check.html
  • Configure a Machine Health Check: https://cluster-api.sigs.k8s.io/tasks/healthcheck.html

MachinePool (experimental)

• Proposal: https://github.com/kubernetes-sigs/cluster-api/blob/master/docs/proposals/20190919-machinepool-api.md

Getting started

• Quick start: https://cluster-api.sigs.k8s.io/user/quick-start.html

Upgrading from v1alpha2

To upgrade from a running management cluster based on v1alpha2, follow these instruction in the book.

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Changes since v0.3.0-rc.3

✨ New Features

• Upgrade CoreDNS image info during KCP reconcile (#2574)
• Upgrade kube-proxy daemonset as part of KCP upgrades (#2559)
• Upgrade etcd version as part of KCP upgrades (#2579)
• clusterctl: improve support for air-gapped environments all image overrides (#2586)
• clusterctl: allow cert-manager image overrides (#2558)
• Add MachineHealthCheck remediation logic (#2494)

🐛 Bug Fixes

• Fix NPE when validating KCP etcd settings (#2616)

📖 Documentation

• Update provider documentation for failureDomains (#2623)
• clusterctl: doc config for air-gapped environments (#2595)
• clusterctl based quick-start (#2590)
• Add documentation around KubeadmControlPlane (#2607)
• Add message about possible problem when doing clusterctl move (#2588)
• Add documentation for MachineHealthChecks (#2567)
• Add instructions for providers to upgrade to CRD v1 (#2551)

🏃 Others

• Allow upgradeAfter field to be modifiable (#2604)
• Allow KCP spec.version to be mutable (#2582)
• Add validation for not having both local and external etcd in control plane (#2598)
• Be consistent with versioning in KubeadmControlPlane (#2624)
• Remove private APIs from Kubeadm v1beta1 types (#2605)
• Loosen webhook validation on control plane to allow etcd changes (#2553)
• Pass a stripped down object to controller.Watch (#2576)
• Clean up go modules across repository (#2552)
• Add NoExecute taint check for KubeadmControlPlane nodes (#2550)
• Modify Metal3 provider repository (#2540)
• cmd-clusterctl-api/tests: standardize gomega imports - follow up (#2615)
• tests: standardize gomega imports - Follow up (#2589)
• tests: standardize gomega/ginkgo imports (#2571)

Thanks to all our contributors! 😊