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Signed-off-by: Alexandr Demicev <alexandr.demicev@suse.com>
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167 changes: 167 additions & 0 deletions
167
exp/etcdrestore/controllers/snapshotters/rke2snapshotter.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| /* | ||
| 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. | ||
| */ | ||
|
|
||
| package snapshotters | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| k3sv1 "github.com/rancher/turtles/exp/etcdrestore/api/k3s/v1" | ||
| snapshotrestorev1 "github.com/rancher/turtles/exp/etcdrestore/api/v1alpha1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
| ) | ||
|
|
||
| type RKE2Snapshotter struct { | ||
| client.Client | ||
| remoteClient client.Client | ||
| cluster *clusterv1.Cluster | ||
| } | ||
|
|
||
| func NewRKE2Snapshotter(client client.Client, remoteClient client.Client, cluster *clusterv1.Cluster) *RKE2Snapshotter { | ||
| return &RKE2Snapshotter{ | ||
| Client: client, | ||
| remoteClient: remoteClient, | ||
| cluster: cluster, | ||
| } | ||
| } | ||
|
|
||
| func (s *RKE2Snapshotter) Sync(ctx context.Context) error { | ||
| log := log.FromContext(ctx) | ||
|
|
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| etcdnapshotFileList := &k3sv1.ETCDSnapshotFileList{} | ||
|
|
||
| if err := s.remoteClient.List(ctx, etcdnapshotFileList); err != nil { | ||
| return fmt.Errorf("failed to list etcd snapshot files: %w", err) | ||
| } | ||
|
|
||
| for _, snapshotFile := range etcdnapshotFileList.Items { | ||
| log.V(5).Info("Found etcd snapshot file", "name", snapshotFile.GetName()) | ||
|
|
||
| readyToUse := *snapshotFile.Status.ReadyToUse | ||
| if !readyToUse { | ||
| log.V(5).Info("Snapshot is not ready to use, skipping") | ||
| continue | ||
| } | ||
|
|
||
| machineName, err := s.findMachineForSnapshot(ctx, snapshotFile.Spec.NodeName) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to find machine for backup: %w", err) | ||
| } | ||
|
|
||
| if machineName == "" { | ||
| log.V(5).Info("Machine not found for backup, skipping. Will try again later.") | ||
| continue | ||
| } | ||
|
|
||
| rke2EtcdMachineSnapshotConfig := &snapshotrestorev1.RKE2EtcdMachineSnapshotConfig{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: snapshotFile.Name, | ||
| Namespace: s.cluster.Namespace, | ||
| }, | ||
| } | ||
|
|
||
| if snapshotFile.Spec.S3 != nil { | ||
| s3EndpointCASecret := &corev1.Secret{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: snapshotFile.Name + "-s3-endpoint-ca", | ||
| Namespace: s.cluster.Namespace, | ||
| }, | ||
| StringData: map[string]string{ | ||
| "ca.crt": snapshotFile.Spec.S3.EndpointCA, | ||
| }, | ||
| } | ||
|
|
||
| if err := s.Create(ctx, s3EndpointCASecret); err != nil { | ||
| if apierrors.IsAlreadyExists(err) { | ||
| log.V(5).Info("S3 endpoint CA secret already exists") | ||
| } else { | ||
| return fmt.Errorf("failed to create S3 endpoint CA secret: %w", err) | ||
| } | ||
| } | ||
|
|
||
| rke2EtcdMachineSnapshotConfig.Spec.S3 = snapshotrestorev1.S3Config{ | ||
| Endpoint: snapshotFile.Spec.S3.Endpoint, | ||
| EndpointCASecret: &corev1.LocalObjectReference{ | ||
| Name: s3EndpointCASecret.Name, | ||
| }, | ||
| SkipSSLVerify: snapshotFile.Spec.S3.SkipSSLVerify, | ||
| Bucket: snapshotFile.Spec.S3.Bucket, | ||
| Region: snapshotFile.Spec.S3.Region, | ||
| Insecure: snapshotFile.Spec.S3.Insecure, | ||
| Location: snapshotFile.Spec.Location, | ||
| } | ||
| } else { | ||
| rke2EtcdMachineSnapshotConfig.Spec.Local = snapshotrestorev1.LocalConfig{ | ||
| DataDir: snapshotFile.Spec.Location, | ||
| } | ||
| } | ||
|
|
||
| if err := s.Create(ctx, rke2EtcdMachineSnapshotConfig); err != nil { | ||
| if apierrors.IsAlreadyExists(err) { | ||
| log.V(5).Info("RKE2EtcdMachineSnapshotConfig already exists") | ||
| } else { | ||
| return fmt.Errorf("failed to create RKE2EtcdMachineSnapshotConfig: %w", err) | ||
| } | ||
| } | ||
|
|
||
| etcdMachineSnapshot := &snapshotrestorev1.EtcdMachineSnapshot{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: snapshotFile.Name, | ||
| Namespace: s.cluster.Namespace, | ||
| }, | ||
| Spec: snapshotrestorev1.EtcdMachineSnapshotSpec{ | ||
| ClusterName: s.cluster.Name, | ||
| MachineName: machineName, | ||
| ConfigRef: corev1.LocalObjectReference{ | ||
| Name: snapshotFile.Name, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| if err := s.Create(ctx, etcdMachineSnapshot); err != nil { | ||
| if apierrors.IsAlreadyExists(err) { | ||
| log.V(5).Info("EtcdMachineSnapshot already exists") | ||
| } else { | ||
| return fmt.Errorf("failed to create EtcdMachineSnapshot: %w", err) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func (s *RKE2Snapshotter) findMachineForSnapshot(ctx context.Context, nodeName string) (string, error) { | ||
| machineList := &clusterv1.MachineList{} | ||
| if err := s.List(ctx, machineList, client.InNamespace(s.cluster.Namespace)); err != nil { | ||
| return "", fmt.Errorf("failed to list machines: %w", err) | ||
| } | ||
|
|
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| for _, machine := range machineList.Items { | ||
| if machine.Spec.ClusterName == s.cluster.Name { | ||
| if machine.Status.NodeRef != nil && machine.Status.NodeRef.Name == nodeName { | ||
| return machine.Name, nil | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return "", nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| 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. | ||
| */ | ||
|
|
||
| package snapshotters | ||
|
|
||
| import ( | ||
| "context" | ||
| ) | ||
|
|
||
| type Snapshotter interface { | ||
| Sync(ctx context.Context) error | ||
| } |
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