kanister VS external-snapshotter

I use Kasten K10 for backups and therefore Kanister blueprints. Ive finally managed to debug an issue with the etcd blueprint here. The blueprint requires kubectl cp but this relies on tar which doesn't / no longer exists in the ETCD pod image, alternatively, I thought to use cat cat is not available on the ETCD container either.

You could write a k8s cronjob around prodrigestivill/postgres-backup to dump a database backup to an nfs mount or also check out kanister.

VolSync is a much better option than Velero IMO, Velero was created before GitOps was a thing and it really tries to do too much when all I need is a reliable way to backup and restore PVCs. If your CSI supports volume snapshots, VolSync can use the snapshot-controller to create Volume Snapshots and then mount those as a PVC to a temporary pod to then backup that up to S3. This is really great for backing up PVCs because it's not backing them up from a running workload.

#Install CSI Snapshotter and CRDs kubectl apply -n kube-system -f https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/master/client/config/crd/snapshot.storage.k8s.io_volumesnapshotcontents.yaml kubectl apply -n kube-system -f https://github.com/kubernetes-csi/external-snapshotter/raw/master/client/config/crd/snapshot.storage.k8s.io_volumesnapshotclasses.yaml kubectl apply -n kube-system -f https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/master/client/config/crd/snapshot.storage.k8s.io_volumesnapshots.yaml kubectl apply -n kube-system -f https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/master/deploy/kubernetes/snapshot-controller/setup-snapshot-controller.yaml kubectl apply -n kube-system -f https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/master/deploy/kubernetes/snapshot-controller/rbac-snapshot-controller.yaml