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Merge pull request #4799 from nojnhuh/v2-adopt
ASOAPI: basic automated adoption
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| /* | ||
| Copyright 2024 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 controllers | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| asocontainerservicev1 "github.com/Azure/azure-service-operator/v2/api/containerservice/v1api20231001" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/utils/ptr" | ||
| infrav1exp "sigs.k8s.io/cluster-api-provider-azure/exp/api/v1alpha1" | ||
| "sigs.k8s.io/cluster-api-provider-azure/util/tele" | ||
| clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1" | ||
| expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta1" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/event" | ||
| "sigs.k8s.io/controller-runtime/pkg/predicate" | ||
| ) | ||
|
|
||
| // AgentPoolAdoptReconciler adopts ASO ManagedClustersAgentPool resources into a CAPI Cluster. | ||
| type AgentPoolAdoptReconciler struct { | ||
| client.Client | ||
| } | ||
|
|
||
| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *AgentPoolAdoptReconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager) error { | ||
| _, err := ctrl.NewControllerManagedBy(mgr). | ||
| For(&asocontainerservicev1.ManagedClustersAgentPool{}). | ||
| WithEventFilter(predicate.Funcs{ | ||
| UpdateFunc: func(ev event.UpdateEvent) bool { | ||
| return ev.ObjectOld.GetAnnotations()[adoptAnnotation] != ev.ObjectNew.GetAnnotations()[adoptAnnotation] | ||
| }, | ||
| DeleteFunc: func(_ event.DeleteEvent) bool { return false }, | ||
| }). | ||
| Build(r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // +kubebuilder:rbac:groups=cluster.x-k8s.io,resources=machinepools,verbs=create | ||
|
|
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| // Reconcile reconciles an AzureASOManagedCluster. | ||
| func (r *AgentPoolAdoptReconciler) Reconcile(ctx context.Context, req ctrl.Request) (result ctrl.Result, resultErr error) { | ||
| ctx, log, done := tele.StartSpanWithLogger(ctx, | ||
| "controllers.AgentPoolAdoptReconciler.Reconcile", | ||
| tele.KVP("namespace", req.Namespace), | ||
| tele.KVP("name", req.Name), | ||
| tele.KVP("kind", "ManagedCluster"), | ||
| ) | ||
| defer done() | ||
|
|
||
| agentPool := &asocontainerservicev1.ManagedClustersAgentPool{} | ||
| err := r.Get(ctx, req.NamespacedName, agentPool) | ||
| if err != nil { | ||
| return ctrl.Result{}, client.IgnoreNotFound(err) | ||
| } | ||
|
|
||
| if agentPool.GetAnnotations()[adoptAnnotation] != "true" { | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
|
||
| for _, owner := range agentPool.GetOwnerReferences() { | ||
| if owner.APIVersion == infrav1exp.GroupVersion.Identifier() && | ||
| owner.Kind == infrav1exp.AzureASOManagedMachinePoolKind { | ||
| return ctrl.Result{}, nil | ||
| } | ||
| } | ||
|
|
||
| log.Info("adopting") | ||
|
|
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| namespace := agentPool.Namespace | ||
|
|
||
| // filter down to what will be persisted in the AzureASOManagedMachinePool | ||
| agentPool = &asocontainerservicev1.ManagedClustersAgentPool{ | ||
| TypeMeta: metav1.TypeMeta{ | ||
| APIVersion: asocontainerservicev1.GroupVersion.Identifier(), | ||
| Kind: "ManagedClustersAgentPool", | ||
| }, | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: agentPool.Name, | ||
| }, | ||
| Spec: agentPool.Spec, | ||
| } | ||
|
|
||
| var replicas *int32 | ||
| if agentPool.Spec.Count != nil { | ||
| replicas = ptr.To(int32(*agentPool.Spec.Count)) | ||
| agentPool.Spec.Count = nil | ||
| } | ||
|
|
||
| managedCluster := &asocontainerservicev1.ManagedCluster{} | ||
| if agentPool.Owner() == nil { | ||
| return ctrl.Result{}, fmt.Errorf("agent pool %s/%s has no owner", namespace, agentPool.Name) | ||
| } | ||
| managedClusterKey := client.ObjectKey{ | ||
| Namespace: namespace, | ||
| Name: agentPool.Owner().Name, | ||
| } | ||
| err = r.Get(ctx, managedClusterKey, managedCluster) | ||
| if err != nil { | ||
| return ctrl.Result{}, fmt.Errorf("failed to get ManagedCluster %s: %w", managedClusterKey, err) | ||
| } | ||
| var managedControlPlaneOwner *metav1.OwnerReference | ||
| for _, owner := range managedCluster.GetOwnerReferences() { | ||
| if owner.APIVersion == infrav1exp.GroupVersion.Identifier() && | ||
| owner.Kind == infrav1exp.AzureASOManagedControlPlaneKind && | ||
| owner.Name == agentPool.Owner().Name { | ||
| managedControlPlaneOwner = ptr.To(owner) | ||
| break | ||
| } | ||
| } | ||
| if managedControlPlaneOwner == nil { | ||
| return ctrl.Result{}, fmt.Errorf("ManagedCluster %s is not owned by any AzureASOManagedControlPlane", managedClusterKey) | ||
| } | ||
| asoManagedControlPlane := &infrav1exp.AzureASOManagedControlPlane{} | ||
| managedControlPlaneKey := client.ObjectKey{ | ||
| Namespace: namespace, | ||
| Name: managedControlPlaneOwner.Name, | ||
| } | ||
| err = r.Get(ctx, managedControlPlaneKey, asoManagedControlPlane) | ||
| if err != nil { | ||
| return ctrl.Result{}, fmt.Errorf("failed to get AzureASOManagedControlPlane %s: %w", managedControlPlaneKey, err) | ||
| } | ||
| clusterName := asoManagedControlPlane.Labels[clusterv1.ClusterNameLabel] | ||
|
|
||
| asoManagedMachinePool := &infrav1exp.AzureASOManagedMachinePool{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Namespace: namespace, | ||
| Name: agentPool.Name, | ||
| }, | ||
| Spec: infrav1exp.AzureASOManagedMachinePoolSpec{ | ||
| AzureASOManagedMachinePoolTemplateResourceSpec: infrav1exp.AzureASOManagedMachinePoolTemplateResourceSpec{ | ||
| Resources: []runtime.RawExtension{ | ||
| {Object: agentPool}, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| machinePool := &expv1.MachinePool{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Namespace: namespace, | ||
| Name: agentPool.Name, | ||
| }, | ||
| Spec: expv1.MachinePoolSpec{ | ||
| ClusterName: clusterName, | ||
| Replicas: replicas, | ||
| Template: clusterv1.MachineTemplateSpec{ | ||
| Spec: clusterv1.MachineSpec{ | ||
| Bootstrap: clusterv1.Bootstrap{ | ||
| DataSecretName: ptr.To(""), | ||
| }, | ||
| ClusterName: clusterName, | ||
| InfrastructureRef: corev1.ObjectReference{ | ||
| APIVersion: infrav1exp.GroupVersion.Identifier(), | ||
| Kind: infrav1exp.AzureASOManagedMachinePoolKind, | ||
| Name: asoManagedMachinePool.Name, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| if ptr.Deref(agentPool.Spec.EnableAutoScaling, false) { | ||
| machinePool.Annotations = map[string]string{ | ||
| clusterv1.ReplicasManagedByAnnotation: infrav1exp.ReplicasManagedByAKS, | ||
| } | ||
| } | ||
|
|
||
| err = r.Create(ctx, machinePool) | ||
| if client.IgnoreAlreadyExists(err) != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
|
|
||
| err = r.Create(ctx, asoManagedMachinePool) | ||
| if client.IgnoreAlreadyExists(err) != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
|
|
||
| return ctrl.Result{}, nil | ||
| } |
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