First Japanese l10n work for release-1.15. (#17693)

* traslate /docs/concepts/architecture/_index.md into Japanese (#15456)

* tranaslated (#15458)

* translate /ja/docs/reference/_index.md (#15624)

* translate /ja/docs/reference/_index.md

* Update content/ja/docs/reference/_index.md

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* Update content/ja/docs/reference/_index.md

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* Update content/ja/docs/reference/_index.md

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* patch reviews

* Follow the dir structure of en in setup (#15590)

* follow the dir structure of en in setup

* delete unrelated files

* wip removing ja

* removeg ja

* remove ja

* Update content/ja/docs/setup/_index.md

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* review

* numbered list

* Update content/ja/docs/setup/_index.md

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* Update content/ja/docs/setup/_index.md

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* Translate /docs/setup/turnkey/aws.md in Japanese (#15640)

* Translate content/ja/docs/setup/turnkey/aws.md

partially

* Update content/ja/docs/setup/turnkey/aws.md

... Kubernetes cluster on AWS: AWS上でKubernetesクラスターを...
https://github.com/kubernetes/website/pull/15640/files#r310338415

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (Kubernetes Operations)

- replace English commas with Japanese one (、)
- Management: 管理

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (kube-aws)

- replace English commas
- insert a Japanese comma

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (kubectl)

- 断定でなく選択を与えるニュアンス

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Translate content/ja/docs/setup/turnkey/aws.md

completely

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

* fix translation

https://github.com/kubernetes/website/pull/15640#discussion_r310418805
自身がsupportするのでなく、Kubernetes Operationsがsupportしている、というニュアンス

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

* fix mistranslation

https://github.com/kubernetes/website/pull/15640#discussion_r310419122
ここでのwithはusingに近い意味合いで

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

* fix translation

https://github.com/kubernetes/website/pull/15640#discussion_r310568505
ここでのthroughは通過や媒介という意味合いよりも、手段を表すと捉える

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* Update content/ja/docs/setup/turnkey/aws.md

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* Update content/ja/docs/setup/production-environment/turnkey/aws.md

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* Translate docs/tutorials/stateless-application/expose-external-ip-address.md in Japanese (#15672)

* Copy from content/ja/docs/tutorials/stateless-application/

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

* update link to Japanese document

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

* Translate expose-external-ip-address in Japanese

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

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

やや不自然だった

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

s/ロードバランサ/ロードバランサー/

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

s/サーバ/サーバー/

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* Revert "update link to Japanese document"

This reverts commit 9237f63402b0e642600d1ea24c6b410f877c165e.
https://github.com/kubernetes/website/pull/15672#discussion_r311327200

* remove a new line

段落としては同じ

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

https://github.com/kubernetes/website/pull/15672#discussion_r312317653

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Translate concepts/architecture/nodes.md into Japanese (#15625)

* Translate concepts/architecture/nodes.md into Japanese

* update translation

* fix translation

* eviction

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: makocchi <makocchi@gmail.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: makocchi <makocchi@gmail.com>

* plural

* review

* node

* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* healthy

* review

* namespace

* Translate tasks/run-application/force-delete-stateful-set-pod/ in Japanese (#15835)

* ja-trans: tasks/run-application/force-delete-stateful-set-pod/

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

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* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

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* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

* Translate concepts/architecture/master-node-communication.md into Japanese (#15638)

* translate master node communication

* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* deprecated

* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Translate /docs/tasks/tools/install-kubectl.md in Japanese (#15678)

* Copy from content/en/docs/tasks/tools/install-kubectl.md

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

* fix link to install-kubectl

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

* Translate Headings and Subheadings

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

* translate text of install-kubectl in Japanese

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

* Update content/ja/docs/tasks/tools/install-kubectl.md

s/ユーザ/ユーザー/

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/tools/install-kubectl.md

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* Update install-kubectl.md

s/する:/してください:/g

* Translate /docs/tutorials/configuration/configure-redis-using-configmap.md in Japanese  (#15639)

* translate redis example

* add index

* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

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* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

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* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

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* review

* Translate docs/concepts/configuration/overview.md in Japanese  (#15627)

* Translate docs/concepts/configuration/overview.md in Japanese

* Update content/ja/docs/concepts/configuration/overview.md

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Update content/ja/docs/concepts/configuration/overview.md

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* Update content/ja/docs/concepts/configuration/overview.md

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* Update content/ja/docs/concepts/configuration/overview.md

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* Update content/ja/docs/concepts/configuration/overview.md

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* Fix terminology in Japanese translation (#15889)

* cluster

* cluster

* node

* cluster

* Update content/ja/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro.html

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* sitemap and search (#15927)

* Translate tasks/debug-application-cluster/debug-pod-replication-contr… (#15883)

* Translate tasks/debug-application-cluster/debug-pod-replication-controller/ in Japanese

* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

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* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

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* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* fix missing parenthesis (#16044)

```
Error: Error building site: "/src/content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md:106:10": unrecognized character in shortcode action: U+003E '>'. Note: Parameters with non-alphanumeric args must be quoted
```

* Translate tasks/configure-pod-container/configure-volume-storage/ in Japanese (#16058)

* Translate tasks/configure-pod-container/configure-volume-storage/ in Japanese

* Update content/ja/docs/tasks/configure-pod-container/configure-volume-storage.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/configure-pod-container/configure-volume-storage.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Translate text of docs/setup/release/version-skew-policy.md in Japanese (#15903)

* translate content/ja/docs/setup/release/version-skew-policy.md in Japanese

* translate "version skew"

https://github.com/kubernetes/website/pull/15903#issuecomment-524518826

バージョン間の差異 となる
タイトルは原文どおりに用語として残し、初回の文でskew=差異であることを明示する
以降はskewを翻訳する

* fix translation

- 格助詞漏れ
- more than 1...は1を含まないそれ以上の値であり、実質「2以上」となるので、そのように訳したほうが自然

* delete unnecessary sentences

* update translation

cf. 422f5b0e6a0c52f844cfae66cde01f47fca4cf4e

* update translation

componentsが当該バージョンをサポートするのでなく、kube-apiserverのバージョンの結果ほかのcomponentsが当該バージョンをサポート**される**イメージ

* Translate concepts/architecture/cloud-controller/ into Japanese (#16099)

* Translate concepts/architecture/cloud-controller/ into Japanese

* Revise sentences based on suggestion by reviewers

* Revise a sentence based on suggestion by a reviewer

* Fix wording to distinguish Kubernetes related resources from others

* fix a typo (#16121)

* fix some wording on home (#16127)

* Translate contribute / _index.md to Japanese (#16050)

* translate contribute index into Japanese

* modify some terms

* modify according to style guide

* use same terminology about contribute

* Update content/ja/docs/contribute/_index.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Translate concepts/overview/components and related glossaries in Japanase (#16034)

* Translate concepts/overview/components and related glossaries in Japanese

* Revise sentences based on suggestion by reviewers

* Translate tasks/configure-pod-container/assign-memory-resource/ in Japanese (#16055)

* copy from content/en/docs/tasks/configure-pod-container/assign-memory-resource to ja directory

* translate tasks/configure-pod-container/assign-memory-resource/ in Japanese

* Update content/ja/docs/tasks/configure-pod-container/_index.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/configure-pod-container/_index.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* fix translation

%s/メモリ/メモリー/g

* Translate tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/ in Japanese (#16183)

* Translate concepts/configuration/assign-pod-node/ in Japanese (#16221)

* issue 15552

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

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* Update content/ja/docs/concepts/configuration/assign-pod-node.md

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* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* modification after a review

* Translate docs/tasks/administer-cluster/developing-cloud-controller-manager in ja (#16088)

* Translate docs/tasks/administer-cluster/developing-cloud-controller-manager/ in Japanese

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Remove reviewers section

* Modified wording to unified

* Remove unnecessary brackets

* Translate concepts/overview/working-with-objects/object-management/ into Japanese (#16400)

* Translate concepts/overview/working-with-objects/object-management/ into Japanese

* Refine some words based on review comments

* Add a word to refine a sentence based on a review comment

* Translate content/ja/docs/concepts/cluster-administration/controller-… (#16351)

* Translate content/ja/docs/concepts/cluster-administration/controller-metrics in ja

* Improved to format a text

* Fix inconsistent spellings

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Translate concepts/extend-kubernetes/extend-cluster/ and related glossaries into Japanese (#16636)

* Translate concepts/extend-kubernetes/extend-cluster/ and related glossaries into Japanese

* Apply suggestions from code review by inductor

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update a translation for extension point

* Apply suggestions from code review by sftim

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Apply suggestions from code review by sftim

* Fix the translation for document

* Apply a suggestion from code review by nasa9084

* Apply suggestions from code review by inductor and nasa9084

* fix: s/kubernetes/Kubernetes/ (#16057)

* Translate reference/command-line-tools-reference/feature-gates in Japanese (#16554)

* Translate docs/reference/command-line-tools-reference/feature-gates in ja

* Fix inconsistent spellings

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* ポッド -> Pod

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* ポッドreadinessゲート -> Pod readiness gate

* ポッド -> pod

* Pods -> Pod

* Fix typo: Kunbernetes -> Kubernetes

* 機能ゲート -> フィーチャーゲート

* リポジトリ -> リポジトリー

* キー=値 -> key=value

* Translate concepts/storage/volume-pvc-datasource in Japanese (#16775)

* Translate concepts/storage/volume-pvc-datasource in Japanese

* Remove original English contents(forgot to remove)

* Container Storage Interface -> コンテナストレージインターフェイス

* フューチャーゲート -> フィーチャーゲート

* Improved a translate to more natural expression

* Update content/ja/docs/reference/glossary/csi.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/reference/glossary/storage-class.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/reference/glossary/storage-class.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/reference/glossary/storage-class.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/reference/glossary/storage-class.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/reference/glossary/storage-class.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Improved a translate to more natural expression

* Remove an unnecessary line break

* Improved some translate words to natural sentence

* Improved translate

* Fix translate

* Translate docs/reference/glossary/selector.md in Japanese (#17375)

* Translate docs/reference/glossary/selector.md in Japanese

* Translate title into Japanese

Co-Authored-By: bells17 <bells171@gmail.com>

* Translate tasks/configure-pod-container/share-process-namespace/ into Japanese (#16220)

* Translate tasks/configure-pod-container/share-process-namespace/ into Japanese

* reflect review

* Translate tasks/access-application-cluster/connecting-frontend-backend/ into Japanese (#16270)

* Translate tasks/access-application-cluster/connecting-frontend-backend/ into Japanese

* reflect review

* translate tooltip text

Co-Authored-By: bells17 <bells171@gmail.com>

* Translate concepts/extend-kubernetes/operator/ into Japanese (#16455)

* Translate concepts/extend-kubernetes/operator/ into Japanese

* Update the word operator into Japanese

* Apply suggestions by inductor and oke-py from code review

Co-Authored-By: inductor <kohei.ota@zozo.com>
Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Apply suggestions by inductor from code review

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Refine sentences under bullet points

* Refine sentences in response to the review by makocchi-git

* Translate concepts/extend-kubernetes/api-extension/apiserver-aggregation/ into Japanese (#16662)

* Translate concepts/extend-kubernetes/api-extension/apiserver-aggregation/ into Japanese

* Apply suggestions from code review by inductor

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Apply suggestions from review by MasayaAoyama

* Apply a suggestion from review by MasayaAoyama

* assign inductor as sig-docs-ja approver (#17412) (#17517)

* traslate /docs/concepts/architecture/_index.md into Japanese (#15456)

* tranaslated (#15458)

* translate /ja/docs/reference/_index.md (#15624)

* translate /ja/docs/reference/_index.md

* Update content/ja/docs/reference/_index.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/reference/_index.md

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* Update content/ja/docs/reference/_index.md

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* patch reviews

* Follow the dir structure of en in setup (#15590)

* follow the dir structure of en in setup

* delete unrelated files

* wip removing ja

* removeg ja

* remove ja

* Update content/ja/docs/setup/_index.md

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* review

* numbered list

* Update content/ja/docs/setup/_index.md

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* Update content/ja/docs/setup/_index.md

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* Translate /docs/setup/turnkey/aws.md in Japanese (#15640)

* Translate content/ja/docs/setup/turnkey/aws.md

partially

* Update content/ja/docs/setup/turnkey/aws.md

... Kubernetes cluster on AWS: AWS上でKubernetesクラスターを...
https://github.com/kubernetes/website/pull/15640/files#r310338415

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (Kubernetes Operations)

- replace English commas with Japanese one (、)
- Management: 管理

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (kube-aws)

- replace English commas
- insert a Japanese comma

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Update content/ja/docs/setup/turnkey/aws.md (kubectl)

- 断定でなく選択を与えるニュアンス

Co-Authored-By: Kohei Ota <kohei.ota@zozo.com>

* Translate content/ja/docs/setup/turnkey/aws.md

completely

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

* fix translation

https://github.com/kubernetes/website/pull/15640#discussion_r310418805
自身がsupportするのでなく、Kubernetes Operationsがsupportしている、というニュアンス

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

* fix mistranslation

https://github.com/kubernetes/website/pull/15640#discussion_r310419122
ここでのwithはusingに近い意味合いで

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

* fix translation

https://github.com/kubernetes/website/pull/15640#discussion_r310568505
ここでのthroughは通過や媒介という意味合いよりも、手段を表すと捉える

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

* Update content/ja/docs/setup/turnkey/aws.md

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* Update content/ja/docs/setup/production-environment/turnkey/aws.md

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Translate docs/tutorials/stateless-application/expose-external-ip-address.md in Japanese (#15672)

* Copy from content/ja/docs/tutorials/stateless-application/

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

* update link to Japanese document

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

* Translate expose-external-ip-address in Japanese

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

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

やや不自然だった

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

s/ロードバランサ/ロードバランサー/

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

s/サーバ/サーバー/

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* Revert "update link to Japanese document"

This reverts commit 9237f63402b0e642600d1ea24c6b410f877c165e.
https://github.com/kubernetes/website/pull/15672#discussion_r311327200

* remove a new line

段落としては同じ

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

https://github.com/kubernetes/website/pull/15672#discussion_r312317653

* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Update content/ja/docs/tutorials/stateless-application/expose-external-ip-address.md

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* Translate concepts/architecture/nodes.md into Japanese (#15625)

* Translate concepts/architecture/nodes.md into Japanese

* update translation

* fix translation

* eviction

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: makocchi <makocchi@gmail.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: makocchi <makocchi@gmail.com>

* plural

* review

* node

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

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* Update content/ja/docs/concepts/architecture/nodes.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* healthy

* review

* namespace

* Translate tasks/run-application/force-delete-stateful-set-pod/ in Japanese (#15835)

* ja-trans: tasks/run-application/force-delete-stateful-set-pod/

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

* Update content/ja/docs/tasks/run-application/force-delete-stateful-set-pod.md

* Translate concepts/architecture/master-node-communication.md into Japanese (#15638)

* translate master node communication

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

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* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* deprecated

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Update content/ja/docs/concepts/architecture/master-node-communication.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Translate /docs/tasks/tools/install-kubectl.md in Japanese (#15678)

* Copy from content/en/docs/tasks/tools/install-kubectl.md

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

* fix link to install-kubectl

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

* Translate Headings and Subheadings

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

* translate text of install-kubectl in Japanese

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

* Update content/ja/docs/tasks/tools/install-kubectl.md

s/ユーザ/ユーザー/

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/tools/install-kubectl.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update install-kubectl.md

s/する:/してください:/g

* Translate /docs/tutorials/configuration/configure-redis-using-configmap.md in Japanese  (#15639)

* translate redis example

* add index

* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tutorials/configuration/configure-redis-using-configmap.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* review

* Translate docs/concepts/configuration/overview.md in Japanese  (#15627)

* Translate docs/concepts/configuration/overview.md in Japanese

* Update content/ja/docs/concepts/configuration/overview.md

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Update content/ja/docs/concepts/configuration/overview.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/configuration/overview.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/configuration/overview.md

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* Update content/ja/docs/concepts/configuration/overview.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Fix terminology in Japanese translation (#15889)

* cluster

* cluster

* node

* cluster

* Update content/ja/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro.html

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* sitemap and search (#15927)

* Translate tasks/debug-application-cluster/debug-pod-replication-contr… (#15883)

* Translate tasks/debug-application-cluster/debug-pod-replication-controller/ in Japanese

* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* fix missing parenthesis (#16044)

```
Error: Error building site: "/src/content/ja/docs/tasks/debug-application-cluster/debug-pod-replication-controller.md:106:10": unrecognized character in shortcode action: U+003E '>'. Note: Parameters with non-alphanumeric args must be quoted
```

* Translate tasks/configure-pod-container/configure-volume-storage/ in Japanese (#16058)

* Translate tasks/configure-pod-container/configure-volume-storage/ in Japanese

* Update content/ja/docs/tasks/configure-pod-container/configure-volume-storage.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/configure-pod-container/configure-volume-storage.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Translate text of docs/setup/release/version-skew-policy.md in Japanese (#15903)

* translate content/ja/docs/setup/release/version-skew-policy.md in Japanese

* translate "version skew"

https://github.com/kubernetes/website/pull/15903#issuecomment-524518826

バージョン間の差異 となる
タイトルは原文どおりに用語として残し、初回の文でskew=差異であることを明示する
以降はskewを翻訳する

* fix translation

- 格助詞漏れ
- more than 1...は1を含まないそれ以上の値であり、実質「2以上」となるので、そのように訳したほうが自然

* delete unnecessary sentences

* update translation

cf. 422f5b0e6a0c52f844cfae66cde01f47fca4cf4e

* update translation

componentsが当該バージョンをサポートするのでなく、kube-apiserverのバージョンの結果ほかのcomponentsが当該バージョンをサポート**される**イメージ

* Translate concepts/architecture/cloud-controller/ into Japanese (#16099)

* Translate concepts/architecture/cloud-controller/ into Japanese

* Revise sentences based on suggestion by reviewers

* Revise a sentence based on suggestion by a reviewer

* Fix wording to distinguish Kubernetes related resources from others

* fix a typo (#16121)

* fix some wording on home (#16127)

* Translate contribute / _index.md to Japanese (#16050)

* translate contribute index into Japanese

* modify some terms

* modify according to style guide

* use same terminology about contribute

* Update content/ja/docs/contribute/_index.md

Co-Authored-By: Takuya Tokuda <cs.toku.mail@gmail.com>

* Translate concepts/overview/components and related glossaries in Japanase (#16034)

* Translate concepts/overview/components and related glossaries in Japanese

* Revise sentences based on suggestion by reviewers

* Translate tasks/configure-pod-container/assign-memory-resource/ in Japanese (#16055)

* copy from content/en/docs/tasks/configure-pod-container/assign-memory-resource to ja directory

* translate tasks/configure-pod-container/assign-memory-resource/ in Japanese

* Update content/ja/docs/tasks/configure-pod-container/_index.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/configure-pod-container/_index.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* fix translation

%s/メモリ/メモリー/g

* Translate tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/ in Japanese (#16183)

* Translate concepts/configuration/assign-pod-node/ in Japanese (#16221)

* issue 15552

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

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* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Update content/ja/docs/concepts/configuration/assign-pod-node.md

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* modification after a review

* Translate docs/tasks/administer-cluster/developing-cloud-controller-manager in ja (#16088)

* Translate docs/tasks/administer-cluster/developing-cloud-controller-manager/ in Japanese

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update content/ja/docs/tasks/administer-cluster/developing-cloud-controller-manager.md

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Remove reviewers section

* Modified wording to unified

* Remove unnecessary brackets

* Translate concepts/overview/working-with-objects/object-management/ into Japanese (#16400)

* Translate concepts/overview/working-with-objects/object-management/ into Japanese

* Refine some words based on review comments

* Add a word to refine a sentence based on a review comment

* Translate content/ja/docs/concepts/cluster-administration/controller-… (#16351)

* Translate content/ja/docs/concepts/cluster-administration/controller-metrics in ja

* Improved to format a text

* Fix inconsistent spellings

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* Translate concepts/extend-kubernetes/extend-cluster/ and related glossaries into Japanese (#16636)

* Translate concepts/extend-kubernetes/extend-cluster/ and related glossaries into Japanese

* Apply suggestions from code review by inductor

Co-Authored-By: inductor <kohei.ota@zozo.com>

* Update a translation for extension point

* Apply suggestions from code review by sftim

Co-Authored-By: Tim Bannister <tim@scalefactory.com>

* Apply suggestions from code review by sftim

* Fix the translation for document

* Apply a suggestion from code review by nasa9084

* Apply suggestions from code review by inductor and nasa9084

* fix: s/kubernetes/Kubernetes/ (#16057)

* Translate reference/command-line-tools-reference/feature-gates in Japanese (#16554)

* Translate docs/reference/command-line-tools-reference/feature-gates in ja

* Fix inconsistent spellings

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: nasa9084 <nasa9084@users.noreply.github.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* ポッド -> Pod

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

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

Co-Authored-By: Naoki Oketani <okepy.naoki@gmail.com>

* ポッドreadinessゲート -> Pod readiness gate

* ポッド -> pod

* Pods -> Pod

* Fix typo: Kunbernetes -> Kubernetes

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This commit is contained in:
inductor
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committed by Kubernetes Prow Robot
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---
title: 複数のゾーンで動かす
weight: 10
content_template: templates/concept
---
{{% capture overview %}}
This page describes how to run a cluster in multiple zones.
{{% /capture %}}
{{% capture body %}}
## 始めに
Kubernetes 1.2 adds support for running a single cluster in multiple failure zones
(GCE calls them simply "zones", AWS calls them "availability zones", here we'll refer to them as "zones").
This is a lightweight version of a broader Cluster Federation feature (previously referred to by the affectionate
nickname ["Ubernetes"](https://github.com/kubernetes/community/blob/{{< param "githubbranch" >}}/contributors/design-proposals/multicluster/federation.md)).
Full Cluster Federation allows combining separate
Kubernetes clusters running in different regions or cloud providers
(or on-premises data centers). However, many
users simply want to run a more available Kubernetes cluster in multiple zones
of their single cloud provider, and this is what the multizone support in 1.2 allows
(this previously went by the nickname "Ubernetes Lite").
Multizone support is deliberately limited: a single Kubernetes cluster can run
in multiple zones, but only within the same region (and cloud provider). Only
GCE and AWS are currently supported automatically (though it is easy to
add similar support for other clouds or even bare metal, by simply arranging
for the appropriate labels to be added to nodes and volumes).
## 機能性
When nodes are started, the kubelet automatically adds labels to them with
zone information.
Kubernetes will automatically spread the pods in a replication controller
or service across nodes in a single-zone cluster (to reduce the impact of
failures.) With multiple-zone clusters, this spreading behavior is
extended across zones (to reduce the impact of zone failures.) (This is
achieved via `SelectorSpreadPriority`). This is a best-effort
placement, and so if the zones in your cluster are heterogeneous
(e.g. different numbers of nodes, different types of nodes, or
different pod resource requirements), this might prevent perfectly
even spreading of your pods across zones. If desired, you can use
homogeneous zones (same number and types of nodes) to reduce the
probability of unequal spreading.
When persistent volumes are created, the `PersistentVolumeLabel`
admission controller automatically adds zone labels to them. The scheduler (via the
`VolumeZonePredicate` predicate) will then ensure that pods that claim a
given volume are only placed into the same zone as that volume, as volumes
cannot be attached across zones.
## 制限
There are some important limitations of the multizone support:
* We assume that the different zones are located close to each other in the
network, so we don't perform any zone-aware routing. In particular, traffic
that goes via services might cross zones (even if some pods backing that service
exist in the same zone as the client), and this may incur additional latency and cost.
* Volume zone-affinity will only work with a `PersistentVolume`, and will not
work if you directly specify an EBS volume in the pod spec (for example).
* Clusters cannot span clouds or regions (this functionality will require full
federation support).
* Although your nodes are in multiple zones, kube-up currently builds
a single master node by default. While services are highly
available and can tolerate the loss of a zone, the control plane is
located in a single zone. Users that want a highly available control
plane should follow the [high availability](/docs/admin/high-availability) instructions.
### ボリュームの制限
The following limitations are addressed with [topology-aware volume binding](/docs/concepts/storage/storage-classes/#volume-binding-mode).
* StatefulSet volume zone spreading when using dynamic provisioning is currently not compatible with
pod affinity or anti-affinity policies.
* If the name of the StatefulSet contains dashes ("-"), volume zone spreading
may not provide a uniform distribution of storage across zones.
* When specifying multiple PVCs in a Deployment or Pod spec, the StorageClass
needs to be configured for a specific single zone, or the PVs need to be
statically provisioned in a specific zone. Another workaround is to use a
StatefulSet, which will ensure that all the volumes for a replica are
provisioned in the same zone.
## 全体の流れ
We're now going to walk through setting up and using a multi-zone
cluster on both GCE & AWS. To do so, you bring up a full cluster
(specifying `MULTIZONE=true`), and then you add nodes in additional zones
by running `kube-up` again (specifying `KUBE_USE_EXISTING_MASTER=true`).
### クラスターの立ち上げ
Create the cluster as normal, but pass MULTIZONE to tell the cluster to manage multiple zones; creating nodes in us-central1-a.
GCE:
```shell
curl -sS https://get.k8s.io | MULTIZONE=true KUBERNETES_PROVIDER=gce KUBE_GCE_ZONE=us-central1-a NUM_NODES=3 bash
```
AWS:
```shell
curl -sS https://get.k8s.io | MULTIZONE=true KUBERNETES_PROVIDER=aws KUBE_AWS_ZONE=us-west-2a NUM_NODES=3 bash
```
This step brings up a cluster as normal, still running in a single zone
(but `MULTIZONE=true` has enabled multi-zone capabilities).
### ノードはラベルが付与される
View the nodes; you can see that they are labeled with zone information.
They are all in `us-central1-a` (GCE) or `us-west-2a` (AWS) so far. The
labels are `failure-domain.beta.kubernetes.io/region` for the region,
and `failure-domain.beta.kubernetes.io/zone` for the zone:
```shell
kubectl get nodes --show-labels
```
The output is similar to this:
```shell
NAME STATUS ROLES AGE VERSION LABELS
kubernetes-master Ready,SchedulingDisabled <none> 6m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-1,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-master
kubernetes-minion-87j9 Ready <none> 6m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-87j9
kubernetes-minion-9vlv Ready <none> 6m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
kubernetes-minion-a12q Ready <none> 6m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-a12q
```
### 2つ目のゾーンにさらにノードを追加
Let's add another set of nodes to the existing cluster, reusing the
existing master, running in a different zone (us-central1-b or us-west-2b).
We run kube-up again, but by specifying `KUBE_USE_EXISTING_MASTER=true`
kube-up will not create a new master, but will reuse one that was previously
created instead.
GCE:
```shell
KUBE_USE_EXISTING_MASTER=true MULTIZONE=true KUBERNETES_PROVIDER=gce KUBE_GCE_ZONE=us-central1-b NUM_NODES=3 kubernetes/cluster/kube-up.sh
```
On AWS we also need to specify the network CIDR for the additional
subnet, along with the master internal IP address:
```shell
KUBE_USE_EXISTING_MASTER=true MULTIZONE=true KUBERNETES_PROVIDER=aws KUBE_AWS_ZONE=us-west-2b NUM_NODES=3 KUBE_SUBNET_CIDR=172.20.1.0/24 MASTER_INTERNAL_IP=172.20.0.9 kubernetes/cluster/kube-up.sh
```
View the nodes again; 3 more nodes should have launched and be tagged
in us-central1-b:
```shell
kubectl get nodes --show-labels
```
The output is similar to this:
```shell
NAME STATUS ROLES AGE VERSION LABELS
kubernetes-master Ready,SchedulingDisabled <none> 16m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-1,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-master
kubernetes-minion-281d Ready <none> 2m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-b,kubernetes.io/hostname=kubernetes-minion-281d
kubernetes-minion-87j9 Ready <none> 16m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-87j9
kubernetes-minion-9vlv Ready <none> 16m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
kubernetes-minion-a12q Ready <none> 17m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-a12q
kubernetes-minion-pp2f Ready <none> 2m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-b,kubernetes.io/hostname=kubernetes-minion-pp2f
kubernetes-minion-wf8i Ready <none> 2m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-b,kubernetes.io/hostname=kubernetes-minion-wf8i
```
### ボリュームのアフィニティ
Create a volume using the dynamic volume creation (only PersistentVolumes are supported for zone affinity):
```json
kubectl apply -f - <<EOF
{
"apiVersion": "v1",
"kind": "PersistentVolumeClaim",
"metadata": {
"name": "claim1",
"annotations": {
"volume.alpha.kubernetes.io/storage-class": "foo"
}
},
"spec": {
"accessModes": [
"ReadWriteOnce"
],
"resources": {
"requests": {
"storage": "5Gi"
}
}
}
}
EOF
```
{{< note >}}
For version 1.3+ Kubernetes will distribute dynamic PV claims across
the configured zones. For version 1.2, dynamic persistent volumes were
always created in the zone of the cluster master
(here us-central1-a / us-west-2a); that issue
([#23330](https://github.com/kubernetes/kubernetes/issues/23330))
was addressed in 1.3+.
{{< /note >}}
Now let's validate that Kubernetes automatically labeled the zone & region the PV was created in.
```shell
kubectl get pv --show-labels
```
The output is similar to this:
```shell
NAME CAPACITY ACCESSMODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE LABELS
pv-gce-mj4gm 5Gi RWO Retain Bound default/claim1 manual 46s failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a
```
So now we will create a pod that uses the persistent volume claim.
Because GCE PDs / AWS EBS volumes cannot be attached across zones,
this means that this pod can only be created in the same zone as the volume:
```yaml
kubectl apply -f - <<EOF
apiVersion: v1
kind: Pod
metadata:
name: mypod
spec:
containers:
- name: myfrontend
image: nginx
volumeMounts:
- mountPath: "/var/www/html"
name: mypd
volumes:
- name: mypd
persistentVolumeClaim:
claimName: claim1
EOF
```
Note that the pod was automatically created in the same zone as the volume, as
cross-zone attachments are not generally permitted by cloud providers:
```shell
kubectl describe pod mypod | grep Node
```
```shell
Node: kubernetes-minion-9vlv/10.240.0.5
```
And check node labels:
```shell
kubectl get node kubernetes-minion-9vlv --show-labels
```
```shell
NAME STATUS AGE VERSION LABELS
kubernetes-minion-9vlv Ready 22m v1.6.0+fff5156 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
```
### Podがゾーンをまたがって配置される
Pods in a replication controller or service are automatically spread
across zones. First, let's launch more nodes in a third zone:
GCE:
```shell
KUBE_USE_EXISTING_MASTER=true MULTIZONE=true KUBERNETES_PROVIDER=gce KUBE_GCE_ZONE=us-central1-f NUM_NODES=3 kubernetes/cluster/kube-up.sh
```
AWS:
```shell
KUBE_USE_EXISTING_MASTER=true MULTIZONE=true KUBERNETES_PROVIDER=aws KUBE_AWS_ZONE=us-west-2c NUM_NODES=3 KUBE_SUBNET_CIDR=172.20.2.0/24 MASTER_INTERNAL_IP=172.20.0.9 kubernetes/cluster/kube-up.sh
```
Verify that you now have nodes in 3 zones:
```shell
kubectl get nodes --show-labels
```
Create the guestbook-go example, which includes an RC of size 3, running a simple web app:
```shell
find kubernetes/examples/guestbook-go/ -name '*.json' | xargs -I {} kubectl create -f {}
```
The pods should be spread across all 3 zones:
```shell
kubectl describe pod -l app=guestbook | grep Node
```
```shell
Node: kubernetes-minion-9vlv/10.240.0.5
Node: kubernetes-minion-281d/10.240.0.8
Node: kubernetes-minion-olsh/10.240.0.11
```
```shell
kubectl get node kubernetes-minion-9vlv kubernetes-minion-281d kubernetes-minion-olsh --show-labels
```
```shell
NAME STATUS ROLES AGE VERSION LABELS
kubernetes-minion-9vlv Ready <none> 34m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
kubernetes-minion-281d Ready <none> 20m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-b,kubernetes.io/hostname=kubernetes-minion-281d
kubernetes-minion-olsh Ready <none> 3m v1.13.0 beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-f,kubernetes.io/hostname=kubernetes-minion-olsh
```
Load-balancers span all zones in a cluster; the guestbook-go example
includes an example load-balanced service:
```shell
kubectl describe service guestbook | grep LoadBalancer.Ingress
```
The output is similar to this:
```shell
LoadBalancer Ingress: 130.211.126.21
```
Set the above IP:
```shell
export IP=130.211.126.21
```
Explore with curl via IP:
```shell
curl -s http://${IP}:3000/env | grep HOSTNAME
```
The output is similar to this:
```shell
"HOSTNAME": "guestbook-44sep",
```
Again, explore multiple times:
```shell
(for i in `seq 20`; do curl -s http://${IP}:3000/env | grep HOSTNAME; done) | sort | uniq
```
The output is similar to this:
```shell
"HOSTNAME": "guestbook-44sep",
"HOSTNAME": "guestbook-hum5n",
"HOSTNAME": "guestbook-ppm40",
```
The load balancer correctly targets all the pods, even though they are in multiple zones.
### クラスターの停止
When you're done, clean up:
GCE:
```shell
KUBERNETES_PROVIDER=gce KUBE_USE_EXISTING_MASTER=true KUBE_GCE_ZONE=us-central1-f kubernetes/cluster/kube-down.sh
KUBERNETES_PROVIDER=gce KUBE_USE_EXISTING_MASTER=true KUBE_GCE_ZONE=us-central1-b kubernetes/cluster/kube-down.sh
KUBERNETES_PROVIDER=gce KUBE_GCE_ZONE=us-central1-a kubernetes/cluster/kube-down.sh
```
AWS:
```shell
KUBERNETES_PROVIDER=aws KUBE_USE_EXISTING_MASTER=true KUBE_AWS_ZONE=us-west-2c kubernetes/cluster/kube-down.sh
KUBERNETES_PROVIDER=aws KUBE_USE_EXISTING_MASTER=true KUBE_AWS_ZONE=us-west-2b kubernetes/cluster/kube-down.sh
KUBERNETES_PROVIDER=aws KUBE_AWS_ZONE=us-west-2a kubernetes/cluster/kube-down.sh
```
{{% /capture %}}