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website/content/ja/docs/tasks/access-application-cluster/service-access-application-cluster.md
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inductor 4b37fac15b First Japanese l10n work for release-1.17 (#19871)
* update reference to 1.17 (#18791)

* update endpoint slices to beta (#18794)

* update feature gate to 1.17 (#18799)

* update feature gate to 1.17

* Update content/ja/docs/reference/command-line-tools-reference/feature-gates.md

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* Update links to ja docs (home/, tasks/tools/install-kubectl/, concepts/services-networking/service/) (#18930)

* update link to /ja/docs/home/

* update link to /ja/docs/tasks/tools/install-kubectl/

* update link to /ja/docs/concepts/services-networking/service/

* Translate tasks/administer-cluster/enabling-endpointslices.md in Japanese (#18140) (#18873)

* Translate tasks/administer-cluster/enabling-endpointslices.md in Japanese (#18140)

* Update enabling-endpointslices.md

* Update content/ja/docs/tasks/administer-cluster/enabling-endpointslices.md

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* Update content/ja/docs/tasks/administer-cluster/enabling-endpointslices.md

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* Update content/ja/docs/tasks/administer-cluster/enabling-endpointslices.md

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* Update content/ja/docs/tasks/administer-cluster/enabling-endpointslices.md

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* Update enabling-endpointslices.md

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* Update content/ja/docs/tasks/administer-cluster/enabling-endpointslices.md

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* Update enabling-endpointslices.md

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* update share process namespace (#19011)

* Revert trailing whitespaces (#18988)

* Correct a wrong resource name: Endpoint (#18954)

* Correct a wrong resource name: Endpoint

* Revert spaces at end of line

* Update links to ja docs (concepts/workloads/) (#18959)

* update link to /ja/docs/concepts/workloads/controllers/deployment/

* update link to /ja/docs/concepts/workloads/controllers/replicaset/

* update link to /ja/docs/concepts/workloads/controllers/statefulset/

* update link to /ja/docs/concepts/workloads/controllers/daemonset/

* update link to /ja/docs/concepts/workloads/pods/pod-overview/

* update link to /ja/docs/concepts/workloads/pods/pod/

* revert spaces at end of line

* revert spaces at end of line

* Replace links with redirect destination

* partially update link to /ja/docs/concepts/workloads/pods/pod-lifecycle/

* Update daemonset to 1.17 (#18793)

* update daemonset to 1.17

* Update content/ja/docs/concepts/workloads/controllers/daemonset.md

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* Update content/ja/docs/concepts/workloads/controllers/daemonset.md

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* apply review

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* remove ctrl-h (#19067)

* remove reviewers block (#19091)

* update link to /ja/docs/tasks/tools/install-minikube/ (#19147)

* translate networking (#19134)

* translate networking

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* Update content/ja/docs/concepts/cluster-administration/networking.md

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* nit

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* update link to /ja/docs/concepts/overview/components/ (#19194)

* fix a wrong field name (#19256)

* update link to /ja/docs/concepts/configuration/assign-pod-node/ (#19324)

* Translate docs/concepts/storage/persistent-volumes.md into Japanese (#19074)

* translate content/ja/docs/concepts/storage/persistent-volumes.md into Japanese

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translate title

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* conform to translation style guide

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* fix translation refer: https://github.com/kubernetes/website/pull/19074/files#r378950194

* fix translation

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* fix translation ref: https://github.com/kubernetes/website/pull/19074#discussion_r378829190

* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* fix translation

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* fix translation follow https://github.com/kubernetes/website/pull/19074#discussion_r382130660

* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* fix translation https://github.com/kubernetes/website/pull/19074#discussion_r378811021

* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* Update content/ja/docs/concepts/storage/persistent-volumes.md

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* fix translation https://github.com/kubernetes/website/pull/19074/files#r380769175

* fix translation https://github.com/kubernetes/website/pull/19074#discussion_r380745506

* fix translation https://github.com/kubernetes/website/pull/19074#discussion_r381264848

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* update link to /ja/docs/tutorials/hello-minikube/ and /ja/docs/concepts/architecture/nodes/ (#19515)

* Translate tasks/configure-pod-container/configure-projected-volume-storage.md into Japanese (#19240)

* copy from content/en/docs/tasks/configure-pod-container/configure-projected-volume-storage.md

Signed-off-by: Takuma Hashimoto <takumaxd+github@gmail.com>

* Translate content/ja/docs/tasks/configure-pod-container/configure-projected-volume-storage.md into Japanese

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* fix translation

https://kubernetes.io/ja/docs/tasks/debug-application-cluster/get-shell-running-container/
にて、「シェルを取得する」という表現が用いられているため、そちらに合わせる

Signed-off-by: Takuma Hashimoto <takumaxd+github@gmail.com>

* fix terminology 投影 -> Projected (#19641)

* translate configure-access-multiple-clusters into Japanese (#19563)

* translate configure-access-multiple-clusters into Japanese

* reflect PR feedback

* Translate concepts/cluster-administration/cluster-administration-overview.md into Japanese #18829 (#19258)

* ja-trans: translate concepts/cluster-administration/cluster-administration-overview.md into Japanese (#18829)

* ja-trans: Improve Japanese translation in concepts/cluster-administration/cluster-administration-overview.md  (#18829)

* ja-trans: Improve Japanese translation in concepts/cluster-administration/cluster-administration-overview.md  (#18829)

* Translate tasks/service-catalog/install-service-catalog-using-helm/ in Japanese (#19776)

* issue 18957

* translate a reference file

* Update content/ja/docs/reference/glossary/service-catalog.md

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* Update content/ja/docs/reference/glossary/service-catalog.md

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* Apply suggestions from code review

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* Apply suggestions from code review

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* Fix dead link of api-conventions doc (#19801)

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2020-04-26 15:30:44 +08:00

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Serviceを利用したクラスター内のアプリケーションへのアクセス templates/tutorial 60

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ここでは、クラスター内で稼働しているアプリケーションに外部からアクセスするために、KubernetesのServiceオブジェクトを作成する方法を紹介します。 例として、2つのインスタンスから成るアプリケーションへのロードバランシングを扱います。

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{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}

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  • 2つのHellow Worldアプリケーションを稼働させる。
  • Nodeのポートを公開するServiceオブジェクトを作成する。
  • 稼働しているアプリケーションにアクセスするためにServiceオブジェクトを使用する。

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2つのPodから成るアプリケーションのServiceを作成

  1. クラスタでHello Worldアプリケーションを稼働させます:

    kubectl run hello-world --replicas=2 --labels="run=load-balancer-example" --image=gcr.io/google-samples/node-hello:1.0  --port=8080
    

    このコマンドは Deployment オブジェクトとそれに紐付く ReplicaSet オブジェクトを作成します。ReplicaSetは、Hello Worldアプリケーションが稼働している2つの Pod から構成されます。

  2. Deploymentの情報を表示します:

    kubectl get deployments hello-world
    kubectl describe deployments hello-world
    
  3. ReplicaSetオブジェクトの情報を表示します:

    kubectl get replicasets
    kubectl describe replicasets
    
  4. Deploymentを公開するServiceオブジェクトを作成します:

    kubectl expose deployment hello-world --type=NodePort --name=example-service
    
  5. Serviceに関する情報を表示します:

    kubectl describe services example-service
    

    出力例は以下の通りです:

    Name:                   example-service
    Namespace:              default
    Labels:                 run=load-balancer-example
    Annotations:            <none>
    Selector:               run=load-balancer-example
    Type:                   NodePort
    IP:                     10.32.0.16
    Port:                   <unset> 8080/TCP
    TargetPort:             8080/TCP
    NodePort:               <unset> 31496/TCP
    Endpoints:              10.200.1.4:8080,10.200.2.5:8080
    Session Affinity:       None
    Events:                 <none>
    

    NodePortの値を記録しておきます。上記の例では、31496です。

  6. Hello Worldアプリーションが稼働しているPodを表示します:

    kubectl get pods --selector="run=load-balancer-example" --output=wide
    

    出力例は以下の通りです:

    NAME                           READY   STATUS    ...  IP           NODE
    hello-world-2895499144-bsbk5   1/1     Running   ...  10.200.1.4   worker1
    hello-world-2895499144-m1pwt   1/1     Running   ...  10.200.2.5   worker2
    
  7. Hello World podが稼働するNodeのうち、いずれか1つのパブリックIPアドレスを確認します。 確認方法は、使用している環境により異なります。 例として、Minikubeの場合はkubectl cluster-info、Google Compute Engineの場合はgcloud compute instances listによって確認できます。

  8. 選択したノード上で、NodePortの値でのTCP通信を許可するファイヤーウォールを作成します。 NodePortの値が31568の場合、31568番のポートを利用したTCP通信を許可するファイヤーウォールを作成します。 クラウドプロバイダーによって設定方法が異なります。

  9. Hello World applicationにアクセスするために、Nodeのアドレスとポート番号を使用します:

    curl http://<public-node-ip>:<node-port>
    

    ここで <public-node-ip> はNodeのパブリックIPアドレス、 <node-port> はNodePort Serviceのポート番号の値を表しています。 リクエストが成功すると、下記のメッセージが表示されます:

    Hello Kubernetes!
    

service configuration fileの利用

kubectl exposeコマンドの代わりに、 service configuration file を使用してServiceを作成することもできます。

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Serviceを削除するには、以下のコマンドを実行します:

kubectl delete services example-service

Hello Worldアプリケーションが稼働しているDeployment、ReplicaSet、Podを削除するには、以下のコマンドを実行します:

kubectl delete deployment hello-world

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詳細は serviceを利用してアプリケーションと接続する を確認してください。 {{% /capture %}}