CSI Interface Structure

CSI Interface Structure An architecture diagram generated by Archify. Kubernetes · kubelet · controller · Architecture component Kubernetes kubelet · controller CSI · Container Storage Interface · Architecture component CSI Container Storage Interface CSI Driver · e.g. AWS EBS CSI Driver · Architecture component CSI Driver e.g. AWS EBS CSI Driver Storage System · e.g. Amazon EBS · Architecture component Storage System e.g. Amazon EBS standard gRPC calls create · attach · mount Legend Backend Database Message bus

Standard interface

  • • Kubernetes only calls the CSI spec
  • • Storage vendors implement the driver

Swappability

  • • Same workflow across EBS, EFS, Ceph — swap the driver
  • • Cloud in-tree volume plugins migrated to CSI (removed in 1.31)