Restore fails with "Malformed version: ''" when Restore CR is created with cluster

[shimonewman]

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Getting this error when trying to restore a cluster from backup
get pbm config: get storage config: compare pbm-agent version: parse status.backupVersion: Malformed version: ''

Backup CR is missing the subresource backupVersion option in CR

More about the problem

              app.kubernetes.io/name=percona-server-mongodb                                                                                                                                                                                                │
│               app.kubernetes.io/part-of=percona-server-mongodb                                                                                                                                                                                             │
│               percona.com/backup-ancestor=daily-mongodb-backup                                                                                                                                                                                             │
│               percona.com/backup-type=cron                                                                                                                                                                                                                 │
│               percona.com/cluster=fra1                                                                                                                                                                                                                     │
│ Annotations:  <none>                                                                                                                                                                                                                                       │
│ API Version:  psmdb.percona.com/v1                                                                                                                                                                                                                         │
│ Kind:         PerconaServerMongoDBBackup                                                                                                                                                                                                                   │
│ Metadata:                                                                                                                                                                                                                                                  │
│   Creation Timestamp:  2026-02-16T10:30:00Z                                                                                                                                                                                                                │
│   Finalizers:                                                                                                                                                                                                                                              │
│     percona.com/delete-backup                                                                                                                                                                                                                              │
│     internal.percona.com/release-lock                                                                                                                                                                                                                      │
│   Generate Name:     cron-fra1-20260216103000-                                                                                                                                                                                                             │
│   Generation:        1                                                                                                                                                                                                                                     │
│   Resource Version:  215059065                                                                                                                                                                                                                             │
│   UID:               d665b835-533b-4c04-b65a-d0fc913c0825                                                                                                                                                                                                  │
│ Spec:                                                                                                                                                                                                                                                      │
                                                                                                                                                                                                                         │
│   Compression Type:  gzip                                                                                                                                                                                                                                  │
│   Storage Name:      backblaze                                                                                                                                                                                                                             │
│   Type:              logical                                                                                                                                                                                                                               │
│ Status:                                                                                                                                                                                                                                                    │
│   Completed:        2026-02-16T10:30:12Z                                                                                                                                                                                                                   │
│   Destination:      s3://cloud-backups/mongo/2026-02-16T10:30:00Z                                                                                                                                                                  │
│   Last Transition:  2026-02-16T10:30:12Z                                                                                                                                                                                                                   │
│   Last Write At:    2026-02-16T10:30:10Z                                                                                                                                                                                                                   │
│   Pbm Name:         2026-02-16T10:30:00Z                                                                                                                                                                                                                   │
│   Pbm Pod:          mongo-0-0.mongo-0.mongodb.svc.cluster.local:27017                                                                                                                                                                   │
│   Pbm Pods:                                                                                                                                                                                                                                                │
│     mongo-0:  mongo-0-0.mongo-0.mongodb.svc.cluster.local:27017                                                                                                                                                                         │
│   Replset Names:                                                                                                                                                                                                                                           │
│     mongo-0

Steps to reproduce

1. Use a scheduled/cron backup so that a PerconaServerMongoDBBackup CR exists.
   and confirm that this Backup CR has no or empty status.backupVersion after the backup completes
2. Create a new cluster that will be restored from that backup.

Versions

Operator: Percona Server for MongoDB Operator (PSMDB)
MongoDB: Percona Server for MongoDB 8.0.17-6
PBM: percona/percona-backup-mongodb:2.12.0
Kubernetes: v1.33.6

Anything else?

No response

[egegunes]

Just for the record: status.backupVersion should be in PerconaServerMongoDB object not the backup.

I just reproduced the issue. It happens when PerconaServerMongoDB and PerconaServerMongoDBRestore objects created at the same time. I created K8SPSMDB-1588 to fix the issue.

[egegunes]

What are the optional workarounds?

You should wait until cluster is ready and status.backupVersion is populated before starting the restore.

since K8s has the new secrets, and we override the users/passwords inside the cluster with restoration(creates a mismatch)

I don't think I fully get this. If you have the passwords in the backup in advance you can create the secret manually and make operator use the existing secret.

[shajia-deshaw]

I had run into the same issue as well. Let me know when we get a fix for this. Thanks !

[egegunes]

@shajia-deshaw This will be fixed in v1.23.0 in 2026 Q2.