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