CRI 容器运行时接口

+----------------+       +-----------------+|  kubelet       |       |   CRI shim      || +-----------+  |       |  +-----------+  |      +-----------+| |grpc client|<-|-------|->|grpc server|  |<---->| container || +-----------+  |       |  +-----------+  |      |  runtime  |+----------------+       +-----------------+      +-----------+

CRI shim

• cri-o
• cri-containerd
• rkt
• frakti
• docker (cri-dockerd)

container runtime

• gvisor
• kata containers