Add Networks to InfrastructureConfig

hack/api-reference/api.md

@@ -381,6 +381,20 @@ by extra ignition.</p>
 </tr>
 </thead>
 <tbody>
+<tr>
+<td>
+<code>networks</code></br>
+<em>
+<a href="#metal.provider.extensions.gardener.cloud/v1alpha1.Networks">
+[]Networks
+</a>
+</em>
+</td>
+<td>
+<em>(Optional)</em>
+<p>Networks is the metal specific network configuration.</p>
+</td>
+</tr>
 </tbody>
 </table>
 <h3 id="metal.provider.extensions.gardener.cloud/v1alpha1.InfrastructureStatus">InfrastructureStatus
@@ -698,6 +712,59 @@ bool
 </tr>
 </tbody>
 </table>
+<h3 id="metal.provider.extensions.gardener.cloud/v1alpha1.Networks">Networks
+</h3>
+<p>
+(<em>Appears on:</em>
+<a href="#metal.provider.extensions.gardener.cloud/v1alpha1.InfrastructureConfig">InfrastructureConfig</a>)
+</p>
+<p>
+<p>Networks holds information about the Kubernetes and infrastructure networks.</p>
+</p>
+<table>
+<thead>
+<tr>
+<th>Field</th>
+<th>Description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td>
+<code>name</code></br>
+<em>
+string
+</em>
+</td>
+<td>
+<p>Name is the name for this CIDR.</p>
+</td>
+</tr>
+<tr>
+<td>
+<code>cidr</code></br>
+<em>
+string
+</em>
+</td>
+<td>
+<p>CIDR is the workers subnet range to create.</p>
+</td>
+</tr>
+<tr>
+<td>
+<code>id</code></br>
+<em>
+string
+</em>
+</td>
+<td>
+<em>(Optional)</em>
+<p>ID is the ID for the workers&rsquo; subnet.</p>
+</td>
+</tr>
+</tbody>
+</table>
 <h3 id="metal.provider.extensions.gardener.cloud/v1alpha1.RegionConfig">RegionConfig
 </h3>
 <p>

pkg/apis/metal/types_infrastructure.go

@@ -13,6 +13,9 @@ import (
 // InfrastructureConfig infrastructure configuration resource
 type InfrastructureConfig struct {
 	metav1.TypeMeta
+
+	// Networks is the metal specific network configuration.
+	Networks []Networks
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -21,3 +24,13 @@ type InfrastructureConfig struct {
 type InfrastructureStatus struct {
 	metav1.TypeMeta
 }
+
+// Networks holds information about the Kubernetes and infrastructure networks.
+type Networks struct {
+	// Name is the name for this network.
+	Name string
+	// CIDR is the workers subnet range to create.
+	CIDR string
+	// ID is the ID for the workers' subnet.
+	ID string
+}

pkg/apis/metal/v1alpha1/types_infrastructure.go

@@ -14,6 +14,10 @@ import (
 // InfrastructureConfig infrastructure configuration resource
 type InfrastructureConfig struct {
 	metav1.TypeMeta `json:",inline"`
+
+	// Networks is the metal specific network configuration.
+	// +optional
+	Networks []Networks `json:"networks,omitempty"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -22,3 +26,14 @@ type InfrastructureConfig struct {
 type InfrastructureStatus struct {
 	metav1.TypeMeta `json:",inline"`
 }
+
+// Networks holds information about the Kubernetes and infrastructure networks.
+type Networks struct {
+	// Name is the name for this CIDR.
+	Name string `json:"name"`
+	// CIDR is the workers subnet range to create.
+	CIDR string `json:"cidr"`
+	// ID is the ID for the workers' subnet.
+	// +optional
+	ID string `json:"id,omitempty"`
+}

pkg/controller/infrastructure/actuator_reconcile.go

@@ -5,14 +5,42 @@ package infrastructure
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
+	"slices"
 
 	"github.com/gardener/gardener/extensions/pkg/controller"
 	extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
 	"github.com/go-logr/logr"
+
+	metalv1alpha1 "github.com/ironcore-dev/gardener-extension-provider-metal/pkg/apis/metal/v1alpha1"
+)
+
+var (
+	infrastructureConfig metalv1alpha1.InfrastructureConfig
 )
 
-// Reconcile implements infrastructure.Actuator.
+// Reconcile implements infrastructure actuator reconciliation
 func (a *actuator) Reconcile(ctx context.Context, log logr.Logger, infra *extensionsv1alpha1.Infrastructure, cluster *controller.Cluster) error {
+	err := json.Unmarshal(cluster.Shoot.Spec.Provider.InfrastructureConfig.Raw, &infrastructureConfig)
+	if err != nil {
+		return fmt.Errorf("failed to unmarshal infrastructure config: %w", err)
+	}
+
+	var newNodes []string
+	if infrastructureConfig.Networks != nil {
+		for _, network := range infrastructureConfig.Networks {
+			if network.Name == "" {
+				return fmt.Errorf("network name is required")
+			}
+			newNodes = append(newNodes, network.CIDR)
+		}
+	}
+
+	if !slices.Equal(infra.Status.Networking.Nodes, newNodes) {
+		infra.Status.Networking.Nodes = newNodes
+	}
+
 	return a.reconcile(ctx, log, infra, cluster)
 }
 

pkg/controller/infrastructure/actuator_reconcile_test.go

@@ -0,0 +1,83 @@
+// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and IronCore contributors
+// SPDX-License-Identifier: Apache-2.0
+
+package infrastructure
+
+import (
+	"context"
+	"encoding/json"
+
+	extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
+	gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
+	extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
+	"github.com/go-logr/logr"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"k8s.io/apimachinery/pkg/runtime"
+
+	metalv1alpha1 "github.com/ironcore-dev/gardener-extension-provider-metal/pkg/apis/metal/v1alpha1"
+)
+
+var (
+	shootVersionMajorMinor = "1.2"
+	shootVersion           = shootVersionMajorMinor + ".3"
+)
+
+var _ = Describe("Actuator Reconcile", func() {
+	var (
+		ctx     context.Context
+		log     logr.Logger
+		infra   *extensionsv1alpha1.Infrastructure
+		cluster *extensionscontroller.Cluster
+		act     *actuator
+	)
+
+	BeforeEach(func() {
+		ctx = context.TODO()
+		log = logr.Discard()
+
+		infra = &extensionsv1alpha1.Infrastructure{
+			Status: extensionsv1alpha1.InfrastructureStatus{
+				Networking: &extensionsv1alpha1.InfrastructureStatusNetworking{
+					Nodes: []string{},
+				},
+			},
+		}
+
+		infrastructureConfig := metalv1alpha1.InfrastructureConfig{
+			Networks: []metalv1alpha1.Networks{
+				{Name: "worker-network-1", CIDR: "10.10.10.0/24", ID: "1"},
+				{Name: "worker-network-2", CIDR: "10.10.20.0/24", ID: "2"},
+			},
+		}
+		infrastructureConfigRaw, _ := json.Marshal(infrastructureConfig)
+
+		cluster = &extensionscontroller.Cluster{
+			Shoot: &gardencorev1beta1.Shoot{
+				Spec: gardencorev1beta1.ShootSpec{
+					Kubernetes: gardencorev1beta1.Kubernetes{
+						Version: shootVersion,
+					},
+					Provider: gardencorev1beta1.Provider{
+						InfrastructureConfig: &runtime.RawExtension{
+							Raw: infrastructureConfigRaw,
+						},
+					},
+				},
+			},
+		}
+
+		act = &actuator{}
+	})
+
+	Describe("#Reconcile", func() {
+		It("should update infra.Status.Networking.Nodes", func() {
+			err := act.Reconcile(ctx, log, infra, cluster)
+			Expect(err).NotTo(HaveOccurred())
+
+			// Verify that infra.Status.Networking.Nodes is updated
+			expectedNodes := []string{"10.10.10.0/24", "10.10.20.0/24"}
+			Expect(infra.Status.Networking.Nodes).To(Equal(expectedNodes))
+		})
+	})
+})