https://yokotakenji.me/log/?p=6506 UML

blog-6506-components.pu

@startuml kubernetes components
skinparam monochrome true
skinparam shadowing false
skinparam linetype ortho
skinparam defaultFontName Cica
skinparam noteBackgroundColor white

rectangle kubectl

rectangle "Kubernetes Cluster" {
    rectangle "Kubernetes Master" as master {
        rectangle "api-server" as api
        rectangle "cloud-controller-manager" as cloudControllerMGR
        rectangle "kube-scheduler" as scheduler
        rectangle "kube-controller-manager" as controllerMGR
        rectangle etcd
        note bottom of etcd : 外部プロジェクト

        api <-up-> scheduler
        api <-up-> cloudControllerMGR
        api <-up-> controllerMGR
        api <-down-> etcd
    }
    rectangle "Kubernetes Node (minions)" as node {
        rectangle kubelet
        rectangle "kube-proxy" as proxy
    }
}

kubectl <-right-> api
api <--> kubelet
api <--> proxy

@enduml

deployment.pu

@startuml deployment
skinparam monochrome true
skinparam shadowing false
skinparam linetype ortho
skinparam defaultFontName Cica
skinparam noteBackgroundColor white

rectangle Deployment
rectangle ReplicaSet as replica1
rectangle ReplicaSet as replica2
rectangle Pod        as pod1
rectangle Pod        as pod2
rectangle Pod        as pod3
rectangle Pod        as pod4

Deployment --> replica1
replica1 --> pod1
replica1 --> pod2

Deployment --> replica2
replica2 --> pod3
replica2 --> pod4

@enduml

pod.pu

@startuml pod
skinparam monochrome true
skinparam shadowing false
skinparam linetype ortho
skinparam defaultFontName Cica
skinparam noteBackgroundColor white

rectangle Pod as pod1 {
    rectangle 仮想NIC as nic1_1
    rectangle container as container1_1
    rectangle container as container1_2
    database volume as volume1_1

    container1_1 <-up-> nic1_1
    container1_2 <-up-> nic1_1
    container1_1 <-down-> volume1_1
    container1_2 <-down-> volume1_1
}

@enduml