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2022년 10월 9일 일요일

Kubernetes - few key terms

 CNI and CSI

- The containser networking and storage interfaces, respectively, that allow for pluggable networking and storage for Pods(containers) that run in Kubernets.


Container

- A Docker or OCI image that typically runs an application.


Control plane 

- The brains of a Kubernetes cluster, where scheduling of containers and managing all Kubernets objects takes place (sometimes referred to as Masters)

DaemonSet

- Like a deployment, but it runs on every node of a cluster.


Deployment

- A collection of Pods that is managed by Kubernetes.


kubectl

- The command-line tool for talking to the Kubernetes control plane.


kubelet

- The Kubernetes agent that runs on your cluster nodes. It does what the control plane needs it to do.


Node 

- A machine that runs a kubelet process.


OCI

- The common image format for building executable, self-containerd applications. Also referred to as Docker images.


POD

- The Kubernetes object that encapsulates a running container.