Add ClusterClass support for EKS clusters

Signed-off-by: Alexandr Demicev <[email protected]>

Author: alexander-demicev

api/v1beta2/awsmanagedclustertemplate_types.go

@@ -0,0 +1,66 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1beta2
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+)
+
+// AWSManagedClusterTemplateSpec defines the desired state of AWSManagedClusterTemplate.
+type AWSManagedClusterTemplateSpec struct {
+	Template AWSManagedClusterTemplateResource `json:"template"`
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:resource:path=awsmanagedclustertemplates,scope=Namespaced,categories=cluster-api,shortName=amct
+// +kubebuilder:storageversion
+
+// AWSManagedClusterTemplate is the Schema for the AWSManagedClusterTemplates API.
+type AWSManagedClusterTemplate struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec AWSManagedClusterTemplateSpec `json:"spec,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// AWSManagedClusterTemplateList contains a list of AWSManagedClusterTemplates.
+type AWSManagedClusterTemplateList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []AWSManagedClusterTemplate `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&AWSManagedClusterTemplate{}, &AWSManagedClusterTemplateList{})
+}
+
+// AWSManagedClusterTemplateResource describes the data needed to create an AWSManagedCluster from a template.
+type AWSManagedClusterTemplateResource struct {
+	Spec AWSManagedClusterTemplateResourceSpec `json:"spec"`
+}
+
+// AWSManagedClusterTemplateResourceSpec defines the desired state of an AWSManagedCluster.
+// This is equivalent to AWSManagedClusterSpec.
+type AWSManagedClusterTemplateResourceSpec struct {
+	// ControlPlaneEndpoint represents the endpoint used to communicate with the control plane.
+	// +optional
+	ControlPlaneEndpoint clusterv1.APIEndpoint `json:"controlPlaneEndpoint"`
+}