PlantUML Web Server

@startuml
component kubectl [
    kubectl
    A command line tool for
    communicating with
    a Kubernetes API server.
]

component cluster {
    component master {
        [kube-APIserver]

component kube-etcd {
        }

component kube-cloud-manager {
        }

component kube-scheduler {
        }

component kube-controller-manager {
        }
    }

component node as node1 {
        component kubelet as kbl1 {
        }

component pod as pod11 {
        }

component pod as pod12 {
        }

component pod as pod13 {
        }

}

component node as node2 {
        component kubelet as kbl2 {
        }

component pod as pod21 {
        }

component pod as pod22 {
        }

component pod as pod23 {
        }
    }

component node as node3 {
        component kubelet as kbl3 {
        }

component pod as pod31 {
        }

component pod as pod32 {
        }

component pod as pod33 {       
        }
    }
}

[kubectl] --> [kube-APIserver]

'invisible ranking for layout purposes:
master ---[hidden]> node1
node1---[hidden]> node2
node2---[hidden]> node3
@enduml