23 lines
1.0 KiB
Markdown
23 lines
1.0 KiB
Markdown
kubernetes cluster
|
|
|
|
### Control Plane Components
|
|
|
|
- control plane : manage the overall state of the cluster
|
|
kube-api server: The core component server that exposes kubernetes HTTP API
|
|
etcd: Consistent and highly-avaliable key value store for all API server data
|
|
kube-scheduler: looks for pods not yet bound to a node, and assigns each pod to a suitable node.
|
|
- kube-controller-manager: Runs controllers to implement kubernetes API behavior.
|
|
cloud-controller-manager: integrates with underlying cloud providers. (optional)
|
|
|
|
### Node Components
|
|
|
|
- kubelet: Ensures that pods are running, including their containers.
|
|
- kube-proxy: Mantains network rules on nodes to implement services. (optional)
|
|
- container runtime: Software responsible for running containers.
|
|
|
|
### Add Ons
|
|
|
|
- DNS: For cluster wide DNS resolution
|
|
- web UI(dashboard): For cluster management via web interface.
|
|
- Container resource monitoring: For collecting and storing container metrics.
|
|
- cluster-level logging: For saving container logs to a central log store. |