Hands-On Microservices with Kubernetes

Understanding CSI

CSI was designed to address all the issues with in-tree plugins and the cumbersome aspects of FlexVolume plugins. What makes CSI so enticing to storage providers is that it is not a Kubernetes-only standard, but an industry-wide standard. It allows storage providers to write a single driver for their storage solution and become immediately compatible with a broad range of container orchestration platforms such as Docker, Cloud Foundry, Mesos, and, of course, Kubernetes.

You can find the official specification at https://github.com/container-storage-interface/spec.

The Kubernetes team provides three components that are sidecar containers and provide generic CSI support for any CSI storage provider. These components are as ...