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Merge pull request #703 from Danil-Grigorev/set-ownership-ref-rke2
🌱 Perform ETCD snapshot restore ownership sync
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exp/etcdrestore/controllers/etcdsnapshot_secret_controller.go
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/* | ||
Copyright © 2023 - 2024 SUSE LLC | ||
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. | ||
*/ | ||
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package controllers | ||
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import ( | ||
"context" | ||
"fmt" | ||
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corev1 "k8s.io/api/core/v1" | ||
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bootstrapv1 "github.com/rancher/cluster-api-provider-rke2/bootstrap/api/v1beta1" | ||
apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
ctrl "sigs.k8s.io/controller-runtime" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
"sigs.k8s.io/controller-runtime/pkg/controller" | ||
"sigs.k8s.io/controller-runtime/pkg/log" | ||
"sigs.k8s.io/controller-runtime/pkg/predicate" | ||
"sigs.k8s.io/controller-runtime/pkg/reconcile" | ||
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"github.com/rancher/turtles/exp/etcdrestore/webhooks" | ||
) | ||
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// ETCDSnapshotSecretReconciler reconciles an EtcdMachineSnapshot object. | ||
type ETCDSnapshotSecretReconciler struct { | ||
client.Client | ||
} | ||
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func secretFilter(obj client.Object) bool { | ||
rke2ConfigName, found := obj.GetLabels()[webhooks.RKE2ConfigNameLabel] | ||
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owned := false | ||
for _, owner := range obj.GetOwnerReferences() { | ||
if owner.Name == rke2ConfigName { | ||
owned = true | ||
break | ||
} | ||
} | ||
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return found && !owned | ||
} | ||
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// SetupWithManager sets up the controller with the Manager. | ||
func (r *ETCDSnapshotSecretReconciler) SetupWithManager(_ context.Context, mgr ctrl.Manager, _ controller.Options) error { | ||
err := ctrl.NewControllerManagedBy(mgr). | ||
For(&corev1.Secret{}). | ||
WithEventFilter(predicate.NewPredicateFuncs(secretFilter)). | ||
Complete(reconcile.AsReconciler(mgr.GetClient(), r)) | ||
if err != nil { | ||
return fmt.Errorf("creating ETCDSnapshotSecretReconciler controller: %w", err) | ||
} | ||
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return nil | ||
} | ||
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// Reconcile reconciles the EtcdMachineSnapshot object. | ||
func (r *ETCDSnapshotSecretReconciler) Reconcile(ctx context.Context, secret *corev1.Secret) (ctrl.Result, error) { | ||
log := log.FromContext(ctx) | ||
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rke2ConfigName, found := secret.GetLabels()[webhooks.RKE2ConfigNameLabel] | ||
if !found { | ||
return ctrl.Result{}, nil | ||
} | ||
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rke2Config := &bootstrapv1.RKE2Config{} | ||
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if err := r.Client.Get(ctx, client.ObjectKey{ | ||
Name: rke2ConfigName, | ||
Namespace: secret.Namespace, | ||
}, rke2Config); apierrors.IsNotFound(err) { | ||
return ctrl.Result{}, nil | ||
} else if err != nil { | ||
log.Error(err, "Unable to fetch RKE2Config instance") | ||
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return ctrl.Result{}, err | ||
} | ||
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if len(secret.OwnerReferences) == 0 { | ||
secret.OwnerReferences = []metav1.OwnerReference{} | ||
} | ||
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secret.OwnerReferences = append(secret.OwnerReferences, metav1.OwnerReference{ | ||
APIVersion: rke2Config.APIVersion, | ||
Kind: rke2Config.Kind, | ||
Name: rke2Config.Name, | ||
UID: rke2Config.UID, | ||
}) | ||
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if err := r.Client.Patch(ctx, secret, client.Apply); err != nil { | ||
log.Error(err, "Unable to patch Secret with RKE2Config ownership") | ||
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return ctrl.Result{}, err | ||
} | ||
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return ctrl.Result{}, nil | ||
} |
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