Kubernetes in 2 minutes
Kubernetes is an open-source container-orchestration system for automating application deployment, scaling, and management. It was originally designed by Google, and is now maintained by the Cloud Native Computing Foundation.
Kubernetes Design and Architecture
Goals
- Portable
- General-purpose.
- Flexible
- Extensible
- Automatable
Architecture
- Cluster control plane (AKA master)
- API Server
- Cluster state store (etcd)
- Controller-Manager Server
- Scheduler
The Kubernetes Node
- Kubelet
- Container runtime
- Service Proxy
Add-ons and other dependencies
A number of components, called add-ons typically run on Kubernetes itself: DNS
- Ingress controller
- Heapster (resource monitoring)
- Dashboard (GUI)
References:
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