@@ -63,17 +63,18 @@ These diagrams show the relationships between components in a Cluster API releas
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#### Core Provider (` cluster-api-controller ` )
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- | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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- | -------------------| ----------------------| ----------------------| ---------------------| --------------------| ----------------------| ---------------------|
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- | Kubernetes v1.16 | ✓ | | | | | |
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- | Kubernetes v1.17 | ✓ | | | | | |
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- | Kubernetes v1.18 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.19 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.20 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.21 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.22 | ✓ (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.23* | | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.24 | | | | ✓ | ✓ | ✓ |
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+ | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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+ | -------------------| ----------------------| ----------------------| ---------------------| -------------------| ----------------------| ---------------------|
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+ | Kubernetes v1.16 | ✓ | | | | | |
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+ | Kubernetes v1.17 | ✓ | | | | | |
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+ | Kubernetes v1.18 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.19 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.20 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.21 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.22 | ✓ (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.23* | | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.24 | | | | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.25 | | | | | ✓ | ✓ |
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\* There is an issue with CRDs in Kubernetes v1.23.{0-2}. ClusterClass with patches is affected by that (for more details please see [ this issue] ( https://github.com/kubernetes-sigs/cluster-api/issues/5990 ) ). Therefore we recommend to use Kubernetes v1.23.3+ with ClusterClass.
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Previous Kubernetes ** minor** versions are not affected.
@@ -84,33 +85,35 @@ The Core Provider also talks to API server of every Workload Cluster. Therefore,
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#### Kubeadm Bootstrap Provider (` kubeadm-bootstrap-controller ` )
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- | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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- | -------------------------------------------------------------------| ----------------------| ----------------------| ---------------------| ----------------------| ----------------------| --------------------|
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- | Kubernetes v1.16 + kubeadm/v1beta2 | ✓ | | | | | |
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- | Kubernetes v1.17 + kubeadm/v1beta2 | ✓ | | | | | |
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- | Kubernetes v1.18 + kubeadm/v1beta2 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.19 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.20 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.21 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.22 + kubeadm/v1beta2 (v0.3) kubeadm/v1beta3 (v0.4+) | ✓ (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.23 + kubeadm/v1beta3 | | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.24 + kubeadm/v1beta3 | | | | ✓ | ✓ | ✓ |
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+ | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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+ | -------------------------------------------------------------------| ----------------------| ----------------------| ---------------------| -------------------| ----------------------| --------------------|
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+ | Kubernetes v1.16 + kubeadm/v1beta2 | ✓ | | | | | |
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+ | Kubernetes v1.17 + kubeadm/v1beta2 | ✓ | | | | | |
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+ | Kubernetes v1.18 + kubeadm/v1beta2 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.19 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.20 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.21 + kubeadm/v1beta2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.22 + kubeadm/v1beta2 (v0.3) kubeadm/v1beta3 (v0.4+) | ✓ (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.23 + kubeadm/v1beta3 | | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.24 + kubeadm/v1beta3 | | | | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.25 + kubeadm/v1beta3 | | | | | ✓ | ✓ |
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The Kubeadm Bootstrap Provider generates kubeadm configuration using the API version recommended for the target Kubernetes version.
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#### Kubeadm Control Plane Provider (` kubeadm-control-plane-controller ` )
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- | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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- | ----------------------------| ----------------------| ----------------------| ---------------------| --------------------| ---------------------| ---------------------|
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- | Kubernetes v1.16 + etcd/v3 | ✓ | | | | | |
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- | Kubernetes v1.17 + etcd/v3 | ✓ | | | | | |
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- | Kubernetes v1.18 + etcd/v3 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.19 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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- | Kubernetes v1.20 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.21 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.22 + etcd/v3 | ✓* (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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- | Kubernetes v1.23 + etcd/v3 | | ✓* | ✓* | ✓ | ✓ | ✓ |
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- | Kubernetes v1.24 + etcd/v3 | | | | ✓ | ✓ | ✓ |
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+ | | v0.3 (v1alpha3) | v0.4 (v1alpha4) | v1.0 (v1beta1) | v1.1 (v1beta1) | v1.2 (v1beta1) | v1.3 (v1beta1) |
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+ | ----------------------------| ----------------------| ----------------------| ---------------------| -------------------| ---------------------| ---------------------|
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+ | Kubernetes v1.16 + etcd/v3 | ✓ | | | | | |
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+ | Kubernetes v1.17 + etcd/v3 | ✓ | | | | | |
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+ | Kubernetes v1.18 + etcd/v3 | ✓ | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.19 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ (only workload) | ✓ (only workload) |
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+ | Kubernetes v1.20 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.21 + etcd/v3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.22 + etcd/v3 | ✓* (only workload) | ✓ | ✓ | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.23 + etcd/v3 | | ✓* | ✓* | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.24 + etcd/v3 | | | | ✓ | ✓ | ✓ |
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+ | Kubernetes v1.25 + etcd/v3 | | | | | ✓ | ✓ |
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The Kubeadm Control Plane Provider talks to the API server and etcd members of every Workload Cluster whose control plane it owns. It uses the etcd v3 API.
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