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

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

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

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

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

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

* 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

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

* review

* numbered list

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

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

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

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

* 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

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

* 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

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

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

やや不自然だった

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

* 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/

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

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

s/サーバ/サーバー/

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

* 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

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

* 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

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

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

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

* 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

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

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

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>

* 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

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

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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

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>

* 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

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

* 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

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

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

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

* 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

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

* review

* numbered list

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

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

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

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

* 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

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

* 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

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

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

やや不自然だった

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

* 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/

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

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

s/サーバ/サーバー/

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

* 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

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

* 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

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

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

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

* 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

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

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

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>

* 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

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

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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: nasa9084 <nasa9084@users.noreply.github.com>

* 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

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>

* 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

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

* 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

* ja-trans: content/ja/case-studies/sos (#17338)

* Add case-studies for SOS International(JP)

* Add logo file

* fixup! Add case-studies for SOS International(JP)

* Update content/ja/case-studies/sos/index.html

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

* Update content/ja/case-studies/sos/index.html

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

* Update content/ja/case-studies/sos/index.html

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

* Update content/ja/case-studies/sos/index.html

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

* ja-trans:Translate concepts/services-networking/service/ into Japanese (#14917) (#16319)

* ja-trans:Translate concepts/services-networking/service/ into Japanese (#14917)

* ja-trans: Improve Japanese translation in concepts/services-networking/service/ (#14917)

* ja-trans: Improve Japanese translation in concepts/services-networking/service/ (#14917)

* ja-trans: Improve Japanese translation in concepts/services-networking/_index.md (#14917)

* ja-trans: Improve Japanese translation in reference/glossary/namespace.md (#14917)

* ja-trans: Improve Japanese translation in concepts/services-networking/service/ (#14917)

* ja-trans: Improve Japanese translation in concepts/services-networking/service/ (#14917)

* ja-trans: content/ja/case-studies/nordstrom (#16953)

* Add case-studies for Nordstrom(JP)

* fixup! Add case-studies for Nordstrom(JP)

* Update content/ja/case-studies/nordstrom/index.html

line 25
eコマースサイト->ECサイト
技術運用->技術的な運用
探して->模索して

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

* mod some sentences

* fixup! mod some sentences

* Update content/ja/case-studies/nordstrom/index.html

Line98 
・クラスター ->クラスタ
・表現を修正

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

* Update content/ja/case-studies/nordstrom/index.html

向上->改善

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

* Update content/ja/case-studies/nordstrom/index.html

クラスタ -> クラスター

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

* fixup! Update content/ja/case-studies/nordstrom/index.html

* Translate docs/reference/glossary/node.md into Japanese (#17680)

* Translate docs/reference/glossary/control-plane.md into Japanese (#17679)

* Translate docs/reference/glossary/control-plane.md into Japanese

* Update content/ja/docs/reference/glossary/control-plane.md

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

* Update content/ja/docs/reference/glossary/control-plane.md

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

* ja-trans: Translate concepts/scheduling/kube-scheduler/ in Japanese #17118 (#17586)

* ja-trans:Translate concepts/scheduling/kube-scheduler/ into Japanese (#17118)

* ja-trans: Improve Japanese translation in concepts/scheduling/kube-scheduler/  (#17118)

* ja-trans: Improve Japanese translation in concepts/scheduling/kube-scheduler/  (#17118)
This commit is contained in:
inductor
2019-11-20 14:25:19 -08:00
committed by Kubernetes Prow Robot
parent 8c88039129
commit 4532bd2bdb
141 changed files with 8780 additions and 1891 deletions
@@ -0,0 +1,167 @@
---
title: Kubernetesクラスターの拡張
content_template: templates/concept
weight: 10
---
{{% capture overview %}}
Kubernetesは柔軟な設定が可能で、高い拡張性を持っています。
結果として、Kubernetesのプロジェクトソースコードをフォークしたり、パッチを当てて利用することは滅多にありません。
このガイドは、Kubernetesクラスターをカスタマイズするための選択肢を記載します。
管理しているKubernetesクラスターを、動作環境の要件にどのように適合させるべきかを理解したい{{< glossary_tooltip text="クラスター管理者" term_id="cluster-operator" >}}を対象にしています。
将来の {{< glossary_tooltip text="プラットフォーム開発者" term_id="platform-developer" >}} 、またはKubernetesプロジェクトの{{< glossary_tooltip text="コントリビューター" term_id="contributor" >}}にとっても、どのような拡張のポイントやパターンが存在するのか、また、それぞれのトレードオフや制限事項を学ぶための導入として役立つでしょう。
{{% /capture %}}
{{% capture body %}}
## 概要
カスタマイズのアプローチには大きく分けて、フラグ、ローカル設定ファイル、またはAPIリソースの変更のみを含んだ *コンフィグレーション* と、稼働しているプログラムまたはサービスも含んだ *エクステンション* があります。このドキュメントでは、主にエクステンションについて説明します。
## コンフィグレーション
*設定ファイル**フラグ* はオンラインドキュメントのリファレンスセクションの中の、各項目に記載されています:
* [kubelet](/docs/admin/kubelet/)
* [kube-apiserver](/docs/admin/kube-apiserver/)
* [kube-controller-manager](/docs/admin/kube-controller-manager/)
* [kube-scheduler](/docs/admin/kube-scheduler/)
ホスティングされたKubernetesサービスやマネージドなKubernetesでは、フラグと設定ファイルが常に変更できるとは限りません。変更可能な場合でも、通常はクラスターの管理者のみが変更できます。また、それらは将来のKubernetesバージョンで変更される可能性があり、設定変更にはプロセスの再起動が必要になるかもしれません。これらの理由により、この方法は他の選択肢が無いときにのみ利用するべきです。
[ResourceQuota](/docs/concepts/policy/resource-quotas/)、[PodSecurityPolicy](/docs/concepts/policy/pod-security-policy/)、[NetworkPolicy](/docs/concepts/services-networking/network-policies/)、そしてロールベースアクセス制御([RBAC](/docs/reference/access-authn-authz/rbac/))といった *ビルトインポリシーAPI* は、ビルトインのKubernetes APIです。APIは通常、ホスティングされたKubernetesサービスやマネージドなKubernetesで利用されます。これらは宣言的で、Podのような他のKubernetesリソースと同じ慣例に従っています。そのため、新しいクラスターの設定は繰り返し再利用することができ、アプリケーションと同じように管理することが可能です。更に、安定版(stable)を利用している場合、他のKubernetes APIのような[定義済みのサポートポリシー](/docs/reference/deprecation-policy/)を利用することができます。これらの理由により、この方法は、適切な用途の場合、 *設定ファイル**フラグ* よりも好まれます。
## エクステンション
エクステンションはKubernetesを拡張し、深く統合されたソフトウェアの構成要素です。
これは新しいタイプと、新しい種類のハードウェアをサポートするために利用されます。
ほとんどのクラスター管理者は、ホスティングされている、またはディストリビューションとしてのKubernetesを使っているでしょう。
結果として、ほとんどのKubernetesユーザーは既存のエクステンションを使えばよいため、新しいエクステンションを書く必要は無いと言えます。
## エクステンションパターン
Kubernetesは、クライアントのプログラムを書くことで自動化ができるようにデザインされています。
Kubernetes APIに読み書きをするどのようなプログラムも、役に立つ自動化機能を提供することができます。
*自動化機能* はクラスター上、またはクラスター外で実行できます。
このドキュメントに後述のガイダンスに従うことで、高い可用性を持つ頑強な自動化機能を書くことができます。
自動化機能は通常、ホスティングされているクラスター、マネージドな環境など、どのKubernetesクラスター上でも動きます。
Kubernetes上でうまく動くクライアントプログラムを書くために、*コントローラー* パターンという明確なパターンがあります。
コントローラーは通常、オブジェクトの `.spec` を読み取り、何らかの処理をして、オブジェクトの `.status` を更新します。
コントローラーはKubernetesのクライアントです。Kubernetesがクライアントとして動き、外部のサービスを呼び出す場合、それは *Webhook* と呼ばれます。
呼び出されるサービスは *Webhookバックエンド* と呼ばれます。コントローラーのように、Webhookも障害点を追加します。
Webhookのモデルでは、Kubernetesは外部のサービスを呼び出します。
*バイナリプラグイン* モデルでは、Kubernetesはバイナリ(プログラム)を実行します。
バイナリプラグインはkubelet(例、[FlexVolumeプラグイン](https://github.com/kubernetes/community/blob/master/contributors/devel/flexvolume.md)、[ネットワークプラグイン](/docs/concepts/cluster-administration/network-plugins/))、またkubectlで利用されています。
下図は、それぞれの拡張ポイントが、Kubernetesのコントロールプレーンとどのように関わっているかを示しています。
<img src="https://docs.google.com/drawings/d/e/2PACX-1vQBRWyXLVUlQPlp7BvxvV9S1mxyXSM6rAc_cbLANvKlu6kCCf-kGTporTMIeG5GZtUdxXz1xowN7RmL/pub?w=960&h=720">
<!-- image source drawing https://docs.google.com/drawings/d/1muJ7Oxuj_7Gtv7HV9-2zJbOnkQJnjxq-v1ym_kZfB-4/edit?ts=5a01e054 -->
## 拡張ポイント
この図は、Kubernetesにおける拡張ポイントを示しています。
<img src="https://docs.google.com/drawings/d/e/2PACX-1vSH5ZWUO2jH9f34YHenhnCd14baEb4vT-pzfxeFC7NzdNqRDgdz4DDAVqArtH4onOGqh0bhwMX0zGBb/pub?w=425&h=809">
<!-- image source diagrams: https://docs.google.com/drawings/d/1k2YdJgNTtNfW7_A8moIIkij-DmVgEhNrn3y2OODwqQQ/view -->
1. ユーザーは頻繁に`kubectl`を使って、Kubernetes APIとやり取りをします。[Kubectlプラグイン](/docs/tasks/extend-kubectl/kubectl-plugins/)は、kubectlのバイナリを拡張します。これは個別ユーザーのローカル環境のみに影響を及ぼすため、サイト全体にポリシーを強制することはできません。
2. APIサーバーは全てのリクエストを処理します。APIサーバーのいくつかの拡張ポイントは、リクエストを認可する、コンテキストに基づいてブロックする、リクエストを編集する、そして削除を処理することを可能にします。これらは[APIアクセスエクステンション](/docs/concepts/overview/extending#api-access-extensions)セクションに記載されています。
3. APIサーバーは様々な種類の *リソース* を扱います。`Pod`のような *ビルトインリソース* はKubernetesプロジェクトにより定義され、変更できません。ユーザーも、自身もしくは、他のプロジェクトで定義されたリソースを追加することができます。それは *カスタムリソース* と呼ばれ、[カスタムリソース](/docs/concepts/overview/extending#user-defined-types)セクションに記載されています。カスタムリソースは度々、APIアクセスエクステンションと一緒に使われます。
4. KubernetesのスケジューラーはPodをどのノードに配置するかを決定します。スケジューリングを拡張するには、いくつかの方法があります。それらは[スケジューラーエクステンション](/docs/concepts/overview/extending#scheduler-extensions)セクションに記載されています。
5. Kubernetesにおける多くの振る舞いは、APIサーバーのクライアントであるコントローラーと呼ばれるプログラムに実装されています。コントローラーは度々、カスタムリソースと共に使われます。
6. kubeletはサーバー上で実行され、Podが仮想サーバーのようにクラスターネットワーク上にIPを持った状態で起動することをサポートします。[ネットワークプラグイン](/docs/concepts/overview/extending#network-plugins)がPodのネットワーキングにおける異なる実装を適用することを可能にします。
7. kubeletはまた、コンテナのためにボリュームをマウント、アンマウントします。新しい種類のストレージは[ストレージプラグイン](/docs/concepts/overview/extending#storage-plugins)を通じてサポートされます。
もしあなたがどこから始めるべきかわからない場合、このフローチャートが役立つでしょう。一部のソリューションは、いくつかの種類のエクステンションを含んでいることを留意してください。
<img src="https://docs.google.com/drawings/d/e/2PACX-1vRWXNNIVWFDqzDY0CsKZJY3AR8sDeFDXItdc5awYxVH8s0OLherMlEPVUpxPIB1CSUu7GPk7B2fEnzM/pub?w=1440&h=1080">
<!-- image source drawing: https://docs.google.com/drawings/d/1sdviU6lDz4BpnzJNHfNpQrqI9F19QZ07KnhnxVrp2yg/edit -->
## APIエクステンション
### ユーザー定義タイプ
新しいコントローラー、アプリケーションの設定に関するオブジェクト、また宣言型APIを定義し、それらを`kubectl`のようなKubernetesのツールから管理したい場合、Kubernetesにカスタムリソースを追加することを検討して下さい。
カスタムリソースはアプリケーション、ユーザー、監視データのデータストレージとしては使わないで下さい。
カスタムリソースに関するさらなる情報は、[カスタムリソースコンセプトガイド](/docs/concepts/api-extension/custom-resources/)を参照して下さい。
### 新しいAPIと自動化機能の連携
カスタムリソースAPIと制御ループの組み合わせは[オペレーターパターン](/docs/concepts/extend-kubernetes/operator/)と呼ばれています。オペレーターパターンは、通常ステートフルな特定のアプリケーションを管理するために利用されます。これらのカスタムAPIと制御ループは、ストレージ、またはポリシーのような他のリソースを管理するためにも利用されます。
### ビルトインリソースの変更
カスタムリソースを追加し、KubernetesAPIを拡張する場合、新たに追加されたリソースは常に新しいAPIグループに分類されます。既存のAPIグループを置き換えたり、変更することはできません。APIを追加することは直接、既存のAPI(例、Pod)の振る舞いに影響を与えることは無いですが、APIアクセスエクステンションの場合、その可能性があります。
### APIアクセスエクステンション
リクエストがKubernetes APIサーバーに到達すると、まず最初に認証が行われ、次に認可、その後、様々なAdmission Controlの対象になります。このフローの詳細は[Kubernetes APIへのアクセスをコントロールする](/docs/reference/access-authn-authz/controlling-access/)を参照して下さい。
これらの各ステップごとに拡張ポイントが用意されています。
Kubdernetesはいくつかのビルトイン認証方式をサポートしています。それは認証プロキシの後ろに配置することも可能で、認可ヘッダーを通じて(Webhookの)検証のために外部サービスにトークンを送ることもできます。全てのこれらの方法は[認証ドキュメント](/docs/reference/access-authn-authz/authentication/)でカバーされています。
### 認証
[認証](/docs/reference/access-authn-authz/authentication/)は、全てのリクエストのヘッダーまたは証明書情報を、リクエストを投げたクライアントのユーザー名にマッピングします。
Kubernetesはいくつかのビルトイン認証方式と、それらが要件に合わない場合、[認証Webhook](/docs/reference/access-authn-authz/authentication/#webhook-token-authentication)を提供します。
### 認可
[認可](/docs/reference/access-authn-authz/webhook/)は特定のユーザーがAPIリソースに対して、読み込み、書き込み、そしてその他の操作が可能かどうかを決定します。それはオブジェクト全体のレベルで機能し、任意のオブジェクトフィールドに基づいての区別は行いません。もしビルトインの認可機構が要件に合わない場合、[認可Webhook](/docs/reference/access-authn-authz/webhook/)が、ユーザー提供のコードを呼び出し認可の決定を行うことを可能にします。
### 動的Admission Control
リクエストが認可された後、もしそれが書き込み操作だった場合、リクエストは[Admission Control](/docs/reference/access-authn-authz/admission-controllers/)のステップを通ります。ビルトインのステップに加え、いくつかのエクステンションが存在します:
* [イメージポリシーWebhook](/docs/reference/access-authn-authz/admission-controllers/#imagepolicywebhook)は、コンテナでどのイメージを実行することができるかを制限する
* 任意のAdmission Controlの決定を行うには、一般的な[Admission webhook](/docs/reference/access-authn-authz/extensible-admission-controllers/#admission-webhooks)が利用できる。Admission Webhookは作成、更新を拒絶できる
## インフラストラクチャエクステンション
### ストレージプラグイン
[Flex Volumes](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/storage/flexvolume-deployment.md)は、Kubeletがバイナリプラグインを呼び出してボリュームをマウントすることにより、ユーザーはビルトインのサポートなしでボリュームタイプをマウントすることを可能にします。
### デバイスプラグイン
[デバイスプラグイン](/docs/concepts/cluster-administration/device-plugins/)を通じて、ノードが新たなノードのリソース(CPU、メモリなどのビルトインのものに加え)を見つけることを可能にします。
### ネットワークプラグイン
他のネットワークファブリックが[ネットワークプラグイン](/docs/admin/network-plugins/)を通じてサポートされます。
### スケジューラーエクステンション
スケジューラーは特別な種類のコントローラーで、Podを監視し、Podをノードに割り当てます。デフォルトのコントローラーを完全に置き換えることもできますが、他のKubernetesのコンポーネントの利用を継続する、または[複数のスケジューラー](/docs/tasks/administer-cluster/configure-multiple-schedulers/)を同時に動かすこともできます。
これはかなりの大きな作業で、ほとんど全てのKubernetesユーザーはスケジューラーを変更する必要はありません。
スケジューラは[Webhook](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/scheduling/scheduler_extender.md)もサポートしており、Webhookバックエンド(スケジューラーエクステンション)を通じてPodを配置するために選択されたノードをフィルタリング、優先度付けすることが可能です。
{{% /capture %}}
{{% capture whatsnext %}}
* [カスタムリソース](/docs/concepts/api-extension/custom-resources/)についてより深く学ぶ
* [動的Admission control](/docs/reference/access-authn-authz/extensible-admission-controllers/)について学ぶ
* インフラストラクチャエクステンションについてより深く学ぶ
* [ネットワークプラグイン](/docs/concepts/cluster-administration/network-plugins/)
* [デバイスプラグイン](/docs/concepts/cluster-administration/device-plugins/)
* [kubectlプラグイン](/docs/tasks/extend-kubectl/kubectl-plugins/)について学ぶ
* [オペレーターパターン](/docs/concepts/extend-kubernetes/operator/)について学ぶ
{{% /capture %}}