Kind Concepts: Difference between revisions
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=Overview= | =Overview= | ||
<code>kind</code> is a tool for running local Kubernetes clusters using Docker container as cluster nodes. kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI. | <code>kind</code> is a tool for running local Kubernetes clusters using Docker container as cluster nodes. As such, it needs a Docker installation to run and it is similar to [[Docker Desktop]] in that respect. kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI. | ||
=Cluster= | =Cluster= | ||
Revision as of 01:25, 7 December 2023
Internal
Overview
kind is a tool for running local Kubernetes clusters using Docker container as cluster nodes. As such, it needs a Docker installation to run and it is similar to Docker Desktop in that respect. kind was primarily designed for testing Kubernetes itself, but may be used for local development or CI.
Cluster
A Kubernetes cluster can be created with kind create cluster. The "nodes" are implemented as Docker containers. Upon creation of a default cluster, it will report two nodes, "kind-control-plane" and "kind-worker". The corresponding Docker containers are:
CONTAINER ID IMAGE [...] NAMES 3108457ff1b6 [...]/kind:v1.27.3-3966ac76 kind-worker c90cb24cc040 [...]kind:v1.27.3-3966ac76 kind-control-plane 2702defb0752 [...]/registry:2 kind-registry
What is a kind cluster? Where does it live?
"Node" Image
The “node” image is a Docker image for running nested containers, systemd, and Kubernetes components.