-
Notifications
You must be signed in to change notification settings - Fork 547
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
rbd: controller to regenerate volume group omap data
This commit adds new controller that watches for the VolumeGroupReplicationContent and regenerates the OMAP data if it doesn't exists. Signed-off-by: Praveen M <m.praveen@ibm.com>
- Loading branch information
1 parent
db40499
commit 17e3418
Showing
4 changed files
with
366 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
211 changes: 211 additions & 0 deletions
211
internal/controller/volumegroup/volumegroupreplicationcontent.go
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,211 @@ | ||
| /* | ||
| Copyright 2024 The Ceph-CSI 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 volumegroup | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| ctrl "github.com/ceph/ceph-csi/internal/controller" | ||
| "github.com/ceph/ceph-csi/internal/rbd" | ||
| "github.com/ceph/ceph-csi/internal/util" | ||
| "github.com/ceph/ceph-csi/internal/util/log" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/controller" | ||
| "sigs.k8s.io/controller-runtime/pkg/handler" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
| "sigs.k8s.io/controller-runtime/pkg/reconcile" | ||
| "sigs.k8s.io/controller-runtime/pkg/source" | ||
|
|
||
| replicationv1alpha1 "github.com/csi-addons/kubernetes-csi-addons/apis/replication.storage/v1alpha1" | ||
| ) | ||
|
|
||
| type ReconcileVGRContent struct { | ||
| client client.Client | ||
| config ctrl.Config | ||
| Locks *util.VolumeLocks | ||
| } | ||
|
|
||
| var ( | ||
| _ reconcile.Reconciler = &ReconcileVGRContent{} | ||
| _ ctrl.Manager = &ReconcileVGRContent{} | ||
| ) | ||
|
|
||
| const ( | ||
| secretNameParameterName string = "replication.storage.openshift.io/group-replication-secret-name" | ||
| secretNamespaceParameterName string = "replication.storage.openshift.io/group-replication-secret-namespace" | ||
| ) | ||
|
|
||
| // Init will add the ReconcileVGRContent to the list. | ||
| func Init() { | ||
| // add ReconcileVGRContent to the list | ||
| ctrl.ControllerList = append(ctrl.ControllerList, &ReconcileVGRContent{}) | ||
| } | ||
|
|
||
| // Add adds the newVGRContentReconciler. | ||
| func (r *ReconcileVGRContent) Add(mgr manager.Manager, config ctrl.Config) error { | ||
| return add(mgr, newVGRContentReconciler(mgr, config)) | ||
| } | ||
|
|
||
| // newVGRContentReconciler returns a ReconcileVGRContent. | ||
| func newVGRContentReconciler(mgr manager.Manager, config ctrl.Config) reconcile.Reconciler { | ||
| r := &ReconcileVGRContent{ | ||
| client: mgr.GetClient(), | ||
| config: config, | ||
| Locks: util.NewVolumeLocks(), | ||
| } | ||
|
|
||
| return r | ||
| } | ||
|
|
||
| func add(mgr manager.Manager, r reconcile.Reconciler) error { | ||
| // Create a new controller | ||
| c, err := controller.New( | ||
| "vgrcontent-controller", | ||
| mgr, | ||
| controller.Options{MaxConcurrentReconciles: 1, Reconciler: r}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Watch for changes to VolumeGroupReplicationContent | ||
| err = c.Watch(source.Kind( | ||
| mgr.GetCache(), | ||
| &replicationv1alpha1.VolumeGroupReplicationContent{}, | ||
| &handler.TypedEnqueueRequestForObject[*replicationv1alpha1.VolumeGroupReplicationContent]{}), | ||
| ) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to watch the changes: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (r *ReconcileVGRContent) getSecrets( | ||
| ctx context.Context, | ||
| name, | ||
| namespace string, | ||
| ) (map[string]string, error) { | ||
| if name == "" || namespace == "" { | ||
| errStr := "secret name or secret namespace is empty" | ||
| log.ErrorLogMsg(errStr) | ||
|
|
||
| return nil, errors.New(errStr) | ||
| } | ||
| secret := &corev1.Secret{} | ||
| err := r.client.Get(ctx, types.NamespacedName{Name: name, Namespace: namespace}, secret) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("error getting secret %s in namespace %s: %w", name, namespace, err) | ||
| } | ||
|
|
||
| secrets := map[string]string{} | ||
| for key, value := range secret.Data { | ||
| secrets[key] = string(value) | ||
| } | ||
|
|
||
| return secrets, nil | ||
| } | ||
|
|
||
| func (r *ReconcileVGRContent) reconcileVGRContent(ctx context.Context, obj runtime.Object) error { | ||
| vgrc, ok := obj.(*replicationv1alpha1.VolumeGroupReplicationContent) | ||
| if !ok { | ||
| return nil | ||
| } | ||
| if vgrc.Spec.Provisioner != r.config.DriverName { | ||
| return nil | ||
| } | ||
|
|
||
| reqName := vgrc.Name | ||
| groupHandle := vgrc.Spec.VolumeGroupReplicationHandle | ||
| volumeIds := vgrc.Spec.Source.VolumeHandles | ||
|
|
||
| vgrClass := &replicationv1alpha1.VolumeGroupReplicationClass{} | ||
| err := r.client.Get(ctx, types.NamespacedName{Name: vgrc.Spec.VolumeGroupReplicationClassName}, vgrClass) | ||
| if err != nil { | ||
| log.ErrorLogMsg("failed to get volumeGroupReplicationClass %s", err) | ||
|
|
||
| return err | ||
| } | ||
|
|
||
| if ok = r.Locks.TryAcquire(groupHandle); !ok { | ||
| return fmt.Errorf("failed to acquire lock for group handle %s", groupHandle) | ||
| } | ||
| defer r.Locks.Release(groupHandle) | ||
|
|
||
| parameters := vgrClass.Spec.Parameters | ||
| secretName := vgrClass.Spec.Parameters[secretNameParameterName] | ||
| secretNamespace := vgrClass.Spec.Parameters[secretNamespaceParameterName] | ||
|
|
||
| secrets, err := r.getSecrets(ctx, secretName, secretNamespace) | ||
| if err != nil { | ||
| log.ErrorLogMsg("failed to get credentials from secret %s", err) | ||
|
|
||
| return err | ||
| } | ||
|
|
||
| groupID, err := rbd.RegenerateVolumeGroupJournal( | ||
| groupHandle, | ||
| reqName, | ||
| r.config.InstanceID, | ||
| r.config.ClusterName, | ||
| volumeIds, | ||
| parameters, | ||
| secrets, | ||
| ) | ||
| if err != nil { | ||
| log.ErrorLogMsg("failed to regenerate volume group journal %s", err) | ||
|
|
||
| return err | ||
| } | ||
| if groupID != groupHandle { | ||
| log.DebugLog(ctx, "groupHandle changed from %s to %s", groupHandle, groupID) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // Reconcile reconciles the VolumeGroupReplicationContent object and creates a new omap entries | ||
| // for the volume. | ||
| func (r *ReconcileVGRContent) Reconcile(ctx context.Context, | ||
| request reconcile.Request, | ||
| ) (reconcile.Result, error) { | ||
| vgrc := &replicationv1alpha1.VolumeGroupReplicationContent{} | ||
| err := r.client.Get(ctx, request.NamespacedName, vgrc) | ||
| if err != nil { | ||
| if apierrors.IsNotFound(err) { | ||
| return reconcile.Result{}, nil | ||
| } | ||
|
|
||
| return reconcile.Result{}, err | ||
| } | ||
| // Check if the object is under deletion | ||
| if !vgrc.GetDeletionTimestamp().IsZero() { | ||
| return reconcile.Result{}, nil | ||
| } | ||
|
|
||
| err = r.reconcileVGRContent(ctx, vgrc) | ||
| if err != nil { | ||
| return reconcile.Result{}, err | ||
| } | ||
|
|
||
| return reconcile.Result{}, nil | ||
| } |
Oops, something went wrong.