Kubernetes -04- Architecture


  • A closer look at Kubernetes cluster
  • Master components
  • Node components
  • Pods
  • Labels & Selectors
  • Replication Controllers
  • Services

Kubernetes has two diffrent layers Master and Nodes

Api Server -> kubectl , kubernetes dashboard

Scheduler->responsible for physically share cpu and resources

Controller-> health of the entire cluster , cordinator, nodes are up and running

Etcd -> distributed key value db, (developed by Coreos),stores to current cluster state

kube-proxy -> core networking component

kubelet -> is the agent , responsible is reporting to master (health)

Supervisord-> ensure docker and kubelet run all the time

fluentd-> responsible the managing the logs ,  talking to logging mechanism

pod -> A pod is a group of one or more containers




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