Sync up between dev-1.18 and master branches (#19055)

* Fixed outdated ECR credential debug message (#18631)

* Fixed outdated ECR credential debug message

The log message for troubleshooting kubelet auto fetching ECR credentils issue has been changed (noticed since 1.14), and the new message reads like this when verbose log level is set to 3:

      - `aws_credentials.go:109] unable to get ECR credentials from cache, checking ECR API`
      - `aws_credentials.go:116] Got ECR credentials from ECR API for <Your ECR AWS Account ID>.dkr.ecr.us-east-1.amazonaws.com`

This is based on the kubelet source code: 
    https://github.com/kubernetes/kubernetes/blob/release-1.14/pkg/credentialprovider/aws/aws_credentials.go#L91

This PR is to fix this and to avoid confusion for more people who are troubleshooting the kubelet ECR issue.

* Update content/en/docs/concepts/containers/images.md

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

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* Fix deployment name in docs/tasks/administer-cluster/dns-horizontal-autoscaling.md (#18772)

* ru/docs/tutorials/hello-minikube.md: sync with English translation. (#18687)

* content/ru/docs/concepts/_index.md: use English names for kinds. (#18613)

* Fix French typo in "when" section (#18786)

* First Japanese l10n work for release-1.16 (#18790)

* Translate concepts/services-networking/connect-applications-service/ into Japanese (#17710)

* Translate concepts/services-networking/connect-applications-service/ into Japanese

* Apply review

* Translate content/ja/docs/tasks/_index.md into Japanese (#17789)

* add task index

* huge page

* ja-docs: Update kops Installation Steps (#17804)

* Update /ja/docs/tasks/tools/install-minikube/ (#17711)

* Update /ja/docs/tasks/tools/install-minikube/

* Apply review

* Apply review

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

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

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

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

* Translate tasks/configure-pod-container/assign-cpu-resource/ in Japanese (#16160)

* copy from content/en/docs/tasks/configure-pod-container/ to ja

* translate assign-cpu-resource.md in Japanese

* Update content/ja/docs/tasks/configure-pod-container/assign-cpu-resource.md

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

* Update content/ja/docs/tasks/configure-pod-container/assign-cpu-resource.md

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

* Update assign-cpu-resource.md

ここの *request* と *limit* はほかの文中の単語とは異なり、YAMLのfieldを表すため、訳さないでおく

* fix translation

"Pod scheduling is based on requests." の箇所。
requestsに基づいているのは事実だが、直訳されたときになにを指すのかあいまいなので、対象を具体的に記述

* Translate concepts/workloads/controllers/deployment/ in Japanese #14848 (#17794)

* ja-trans: Translate concepts/workloads/controllers/deployment/ into Japanese (#14848)

* ja-trans: Improve Japanese translation in concepts/workloads/controllers/deployment/ (#14848)

* ja-trans: Improve Japanese translation in concepts/workloads/controllers/deployment/ (#14848)

* ja-trans: Improve Japanese translation in concepts/workloads/controllers/deployment/ (#14848)

* little fix (#18135)

* update index (#18136)

* Update /ja/docs/setup/_index.md (#18139)

* Update /ja/docs/tasks/tools/install-kubectl/ (#18137)

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

* fix mongon

* apply reveiw

* Update /ja/docs/reference/command-line-tools-reference/feature-gates/ (#18141)

* Update feature agete

* tidy up feature gates list

* translate new lines

* table caption

* blank

* する -> します

* apply review

* fix broken link

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

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

* update translation

* remove line

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

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

* rollpack

* Update /ja/docs/concepts/services-networking/service/ (#18138)

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

* Update content/ja/docs/concepts/services-networking/service.md

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

* Update content/ja/docs/concepts/services-networking/service.md

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

* Update content/ja/docs/concepts/services-networking/service.md

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

* Update content/ja/docs/concepts/services-networking/service.md

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

* consider Endpoints as a Kubernetes resource

* full

* Update content/ja/docs/concepts/_index.md (#18145)

* Update concepts

* control plane

* apply review

* fix bold (#18165)

* Update /ja/docs/concepts/overview/components.md (#18153)

* update /ja/docs/concepts/overview/components.md

* some japanese docs are already there

* translate prepend

* apply upstream changes (#18278)

* Translate concepts/services-networking/ingress into Japanese #17741 (#18234)

* ja-trans: Translate concepts/services-networking/ingress into Japanese (#17741)

* ja-trans: Improve Japanese translation in concepts/services-networking/ingress (#17741)

* ja-trans: Improve Japanese translation in concepts/services-networking/ingress (#17741)

* Update pod overview in Japanese (#18277)

* Update pod-overview

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* ノード

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

* Update content/ja/docs/concepts/workloads/pods/pod-overview.md

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

Co-authored-by: Naoki Oketani <okepy.naoki@gmail.com>

* Translate concepts/scheduling/scheduler-perf-tuning/ in Japanese #17119 (#17796)

* ja-trans: Translate concepts/scheduling/scheduler-perf-tuning/ into Japanese (#17119)

* ja-trans: Improve Japanese translation in concepts/scheduling/scheduler-perf-tuning/ (#17119)

* ja-trans: Improve Japanese translation in concepts/scheduling/scheduler-perf-tuning/ (#17119)

* ja-trans:conetent/ja/casestudies/nav (#18450)

* Translate tasks/debug-application-cluster/debug-service/ in Japanese (#18395)

* Translate tasks/debug-application-cluster/debug-service/ in Japanese

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Change all `Pods` to `Pod` and `Endpoints` to `Endpoint`

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Updated content pointed out in review

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

* Apply suggestions from code review

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

* Apply suggestions from review

* Apply suggestions form review

* Apply suggestions from review

* Apply suggestions from review

* Apply suggestions from code review

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

* Update content/ja/docs/tasks/debug-application-cluster/debug-service.md

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

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

* Translate concepts/extend-kubernetes/api-extension/custom-resources/ into Japanese (#18200)

* Translate concepts/extend-kubernetes/api-extension/custom-resources/ into Japanese

* Apply suggestions from code review between L1 an L120 by oke-py

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

* Apply suggestions from code review by oke-py

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

* Update CustomResourceDefinition not to localize into Japanese

* Revert the link to customresourcedefinitions to English

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

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

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

* Apply a suggestion from review by inductor

* Apply a suggestion from code review by oke-py

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

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

* Translate tasks/configure-pod-container/quality-service-pod/ into Japanese (#16173)

* copy from content/en/docs/tasks/configure-pod-container/quality-service-pod.md to Ja

* Translate tasks/configure-pod-container/quality-service-pod/ into Japanese

Guaranteed, Burstable, BestEffortは用語として存在するので訳さない

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

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

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

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

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

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

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

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

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

Co-authored-by: Naoki Oketani <okepy.naoki@gmail.com>

* Translate content/ja/docs/reference/kubectl/cheatsheet.md (#17739) (#18285)

* Translate content/ja/docs/reference/kubectl/cheatsheet.md (#17739)

* Translated kubectl cheet sheet.

* Fix typos in content/ja/docs/reference/kubectl/cheatsheet.md (#17739)

* Fix japanese style in content/ja/docs/reference/kubectl/cheatsheet.md

* Fix typo in content/ja/docs/reference/kubectl/cheatsheet.md

* Fix translation in content/ja/docs/reference/kubectl/cheatsheet.md

* Fix typo in content/ja/docs/reference/kubectl/cheatsheet.md

* Fix typo in content/ja/docs/reference/kubectl/cheatsheet.md

* Modify translation for casestudies (#18767)

* modify terminology

* add ten

* update translation

* update

* update

* update

* fix typo (#18769)

* remove english comment (#18770)

* ja-trans:conetent/ja/casestudies/spotify  (#18451)

* ja-trans: content/ja/case-studies/spotify

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

Updated with the proposal  from inductor

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

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

Updated with inductor 's proposal

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

* ja-trans: content/ja/case-studies/spotify

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Co-authored-by: inductor <kohei.ota@zozo.com>

* Translate Japanese headers (#18776)

* translate headers

* add index for references

* Update content/ja/docs/setup/production-environment/tools/_index.md

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

* translate controller

Co-authored-by: Naoki Oketani <okepy.naoki@gmail.com>

* ja-docs: translate install-kubeadm into Japanese (#18198)

* ja-docs: translate install-kubeadm into Japanese

* translate table title in install-kubeadm to Japanese

* update kubeadm install doc

* remove extra spaces

* fix translation miss

* translate url title into japanese

* fix translation miss

* remove line break in sentence and translate title

* remove extra line break

* remove extra line break

* fix translation miss

Co-authored-by: Naoki Oketani <okepy.naoki@gmail.com>
Co-authored-by: Samuel Kihahu <kihahu@users.noreply.github.com>
Co-authored-by: Takuma Hashimoto <takuma-hashimoto@freee.co.jp>
Co-authored-by: Keita Akutsu <kakts.git@gmail.com>
Co-authored-by: Masa Taniguchi <maabou512@gmail.com>
Co-authored-by: Soto Sugita <sotoiwa@gmail.com>
Co-authored-by: Kozzy Hasebe <48105562+hasebe@users.noreply.github.com>
Co-authored-by: kazuaki harada <canhel.4suti50y.salamander@gmail.com>
Co-authored-by: Shunsuke Miyoshi <s.miyoshi@jp.fujitsu.com>

* delete zh SEE ALSO(51-54) (#18788)

* Added missing brackets in markdown (#18783)

* Fix broken links in api_changes doc (#18743)

* fix jump (#18781)

* fix redundant note (#18780)

* Fix typo: default-manager -> default-scheduler (#18709)

like #18649 #18708

* fix issue #18738 (#18773)

Signed-off-by: Dominic Yin <yindongchao@inspur.com>

* Correct description of kubectl (#18172)

* Correct description of kubectl

Given that `kubectl` is not a [command line interface (CLI)](https://en.wikipedia.org/wiki/Command-line_interface), I suggest calling it what it is -- a control utility (ctl = control). The term "tool" is commonly used in place of "utility," including the `kubectl` docs.

A CLI presents the user with a command prompt at which the user can enter multiple command lines that a command-line interpreter interprets and processes. Think of `bash`, `emacs`, or a SQL shell.  Since `kubectl` is not run in a shell, it is not a CLI.

Here are related docs that correctly refer to `kubectl` as a "command-line tool":

- https://kubernetes.io/docs/reference/tools/#kubectl
- https://kubernetes.io/docs/reference/glossary/?fundamental=true#term-kubectl
- https://kubernetes.io/docs/tasks/tools/install-kubectl/
- https://kubernetes.io/docs/reference/kubectl/kubectl/

* Update content/en/docs/reference/kubectl/overview.md

Co-Authored-By: Zach Corleissen <zacharysarah@users.noreply.github.com>

Co-authored-by: Zach Corleissen <zacharysarah@users.noreply.github.com>

* Add blog post: Reviewing 2019 in Docs (#18662)

Tiny fix

Feedback from onlydole

Add missing link

Incremental fixes

Revise Jim's job title

Update content/en/blog/_posts/2020-01-17-Docs-Review-2019.md

Co-Authored-By: Celeste Horgan <celeste@cncf.io>

Feedback from celeste, change date

* Update OWNERS_ALIASES (#18803)

* Create Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md (#16869)

* Create Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-authored-by: Bob Killen <killen.bob@gmail.com>
Co-authored-by: Taylor Dolezal <onlydole@users.noreply.github.com>

* blog: introduce CSI support for ephemeral inline volumes (#16832)

* csi-ephemeral-inline-volumes: introduce CSI support for ephemeral inline volumes

This was alpha in Kubernetes 1.15 and became beta in 1.16. Several CSI
drivers already support it (soon...).

* csi-ephemeral-inline-volumes: bump date and address feedback (NodeUnpublishVolume)

* csi-ephemeral-inline-volumes: add examples and next steps

* csi-ephemeral-inline-volumes: rename file, minor edits

* csi-ephemeral-inline-volumes: include Docker example

* Create 2019-12-10-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md (#18062)

* Create 2019-12-10-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md

* Update and rename 2019-12-10-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md to 2019-01-16-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md

* Update 2019-01-16-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md

* Update and rename 2019-01-16-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md to 2019-01-22-Gamified-Chaos-Engineering-Tool-for-Kubernetes.md

Co-authored-by: Kaitlyn Barnard <kaitlynbarnard10@gmail.com>

* Revert "Create Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md (#16869)" (#18805)

This reverts commit 2c4545e105.

* add blog k8s on mips (#18795)

* add blog k8s on mips

* modify english title to chinese

* modify some error

* Remove user-journeys legacy content #18615 (#18779)

* Use monospace for HostFolder and VM in the French Minikube setup guide. (#18749)

* Add French version of persistent volume page concept page (#18706)

* Add French version of persistent volume page concept page

* Fix

* Fix

* Fix

* Fix

* sync content/zh/docs/reference/issues-security/ en zh (#18727)

* update zh-translation: /docs/concepts/storage/volume-snapshots.md (#18650)

* Clean up user journeys content for zh (#18815)

* Followup fixes for: Add resource version section to api-concepts (#18069)

* Followup fixes for: Add resource version section to api-concepts documentation

* Apply feedback

* Apply feedback

* Switch paragraph to active voice

* Add Community and Code of Conduct for ID (#18828)

* Add additional ways to contribute part to update zh doc (#18762)

* Add additional ways to contribute part to update zh doc

* Add original English text

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

Co-Authored-By: chentanjun <tanjunchen20@gmail.com>

Co-authored-by: chentanjun <tanjunchen20@gmail.com>

* Clean up extensions/v1beta1 in docs (#18839)

* fix an example path (#18848)

* Translating network plugins (#17184)

* Fix for a typo (#18822)

* tą instalację -> tę instalację / (https://sjp.pwn.pl/poradnia/haslo/te-czy-ta;1598.html) (#18801)

* Fix typo in Scalability section (#18866)

The phrase `very larger` is not valid, it is supposed to be either `very
large` or `larger`. Propose to have it `very large`.

Signed-off-by: Mariyan Dimitrov <mariyan.dimitrov@gmail.com>

* Add Polish translation of Contribute index page (#18775)

Co-Authored-By: Michał Sochoń <kaszpir@gmail.com>

Co-authored-by: Michał Sochoń <kaszpir@gmail.com>

* Clean up extensions/v1beta1 in docs (#18838)

* Add Indonesian Manage Compute Resources page (#18468)

* Add Indonesian Manage Compute Resources page

* Updates to id Manage Compute Resources page

* Add DaemonSet docs ID localization (#18632)

Signed-off-by: giovanism <giovanism@outlook.co.id>

* Fix typo in en/docs/contribute/style/content-guilde.md (#18862)

* partial fix for SEE ALSO section under content/zh/docs/reference/setup-tools/kubeadm/generated/ need to be deleted #18411 (#18875)

* See Also removed file 31

* see also removed file 32

* see also removed file 33

* see also removed file 34

* see also removed file 35

* Modify pod.md (#18818)

website/content/ko/docs/concepts/workloads/pods/pod.md
23 line
쿠버네티스는는 -> 쿠버네티스는
modify

* remove $ following the style guide (#18855)

* Add Hyperlink to Kubernetes API (#18852)

* Drive by copy edit of blog post (#18881)

* Medium copy edit.

* more fixes

* Translate Events Calendar (#18860)

* Adding Bahasa Indonesia translation for Device Plugin page #18676 (#18676)

Co-Authored-By: Gede Wahyu Adi Pramana <tokekbesi@gmail.com>

Co-authored-by: Gede Wahyu Adi Pramana <tokekbesi@gmail.com>

* change escaped chars to markdown (#18858)

Helps to keep doc clean for long term

* Fix header layout on Safari (#18888)

* Fix references to sig-docs-l10n-admins (#18661)

* Add French deployment concept page (#18516)

* Add French deployment concept page

* Fix

* Fix

* Fix

* Update content/fr/docs/concepts/workloads/controllers/deployment.md

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

* Fix

* Fix

* Fix

* Update content/fr/docs/concepts/workloads/controllers/deployment.md

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

* Update content/fr/docs/concepts/workloads/controllers/deployment.md

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

* Update content/fr/docs/concepts/workloads/controllers/deployment.md

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

* Update content/fr/docs/concepts/workloads/controllers/deployment.md

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

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* Fix ZH security aliases (#18895)

* disable simplytunde as an approver due to inactivity. (#18899)

Always welcome to come back if able to become active
again

Signed-off-by: Brad Topol <btopol@us.ibm.com>

* install container runtimes without prompts (#18893)

In Kubernetes docs, all of the packages that are required to set up the
Kubernetes are installed without requiring any prompts through
the package manager (like apt or yum) except for the container runtimes.

https://kubernetes.io/docs/setup/production-environment/container-runtimes/

So, it would be better to have these installations with prompts (yes) disabled.

* Fix small typos (#18886)

* Fix small typos

Small typos noticed and fixed in:

- configure-upgrade-etcd.md

- reconfigure-kubelet.md

Signed-off-by: Mariyan Dimitrov <mariyan.dimitrov@gmail.com>

* Rephrase a paragraph on etcd upgrade

en\docs\tasks\administer-cluster\configure-upgrade-etcd.md

Following a suggestion in #18886, I've rephrased a sentence on etcd
upgrade prerequisites.

Signed-off-by: Mariyan Dimitrov <mariyan.dimitrov@gmail.com>

* Clean up extensions/v1beta1 in docs (#18841)

* Update _index.md (#18825)

* Run minikube docker-env in a shell-independent way (#18823)

* doc: correct pv status for pv protection example. (#18816)

* Small editorial fixes in glossary entries (#18807)

* Small editorial fixes in glossary entries

* Revert the wording in the glossary term for proxy

* fix doc conflict regarding postStart (#18806)

* kubeadm: improvements to the cert management documentation (#18397)

- move the sections about custom certificates and external CA
to the kubeadm-certs page
- minor cleanups to the kubeadm-certs page, including updated output
for the check-expiration command
- link the implementation details page to the new locations
for custom certs and external CA

* fix doc conflict regarding postStart

* Grammar (#18785)

* grammar: 'to' distributes over 'or'

* grammar: reword

per app.grammarly.com

* grammar: simplify

from app.grammarly.com

* spelling: etc.

* feat: add ephermeral container approach inside pod debug page. (#18754)

* doc: add pod security policy reference link to document. (#18729)

* doc: add pod security policy reference link to document.

* doc: add what's next for pod-security-policy ref.

* Revise version requirements (#18688)

Assume that the reader is running a version of Kubernetes that supports
the Secret resource.

* en: Remove kubectl duplicate example (#18656)

With #16974 and the removal of --include-uninitialized flag, the
second
    and third examples of kubectl delete become equal, thus leading to
    duplication and being confusing. Suggest to remove the duplicate and
    replace it with another example in the future if needed.

    Observed in v1.16 and v1.17 documentation.

    Signed-off-by: Mariyan Dimitrov <mariyan.dimitrov@gmail.com>

* Fix typo for tasks/access-kubernetes-api/configure-aggregation-layer.md (#18652)

* Unify runtime references (#18493)

- Use the glossary to correctly reference runtimes
- Updated runtime class documentation for CRI-O
- Removed rktlet from runtimes since its EOL

Signed-off-by: Sascha Grunert <sgrunert@suse.com>

* Clean up admission controller deprecation example (#18399)

* sync zh-trans content/zh/docs/concepts/workloads/pods/ephemeral-containers.md (#18883)

* Remove redundant information when deploy flannel on kubernetes include windows node (#18272)

* sync zh-trans content/zh/docs/concepts/workloads/pods/pod-overview.md (#18882)

* partial fix for for SEE ALSO section under content/zh/docs/reference/setup-tools/kubeadm/generated/ need to be deleted (#18879)

* see also removed from file 36

* see also removed from file 37

* see also removed from file 38

* see also removed from file 39

* see also removed from file 40

* update zh content/zh/docs/contribute/style/write-new-topic.md (#18859)

* sync zh-trans /docs/concepts/_index.md and /docs/concepts/example-concept-template.md (#18863)

* See also removed file 56 & 57 (#18912)

* see also removed file 56

* see also removed file 57

* Third Korean L10n Work For Release 1.17 (#18915)

* Changed some words in the IPv4/IPv6 dual-stack korean doc. (#18668)

* Update to Outdated files in dev-1.17-ko.3 branch. (#18580)

* Translate content/ko/docs/concepts/services-networking/service in Korean (#18195)

* Translate docs/tasks/access-application-cluster/port-forward-access-application-cluster.md in Korean (#18721)

* Translate controllers/garbage-collection.md in Korean. (#18595)

Co-Authored-by: Seokho Son <shsongist@gmail.com>
Co-Authored-by: Lawrence Kay <lkay9495@hotmail.com>
Co-Authored-by: Jesang Myung <jesang.myung@gmail.com>
Co-Authored-by: Claudia J.Kang <claudiajkang@gmail.com>
Co-Authored-by: Yuk, Yongsu <ysyukr@gmail.com>
Co-Authored-By: June Yi <june.yi@samsung.com>

Co-authored-by: Yuk, Yongsu <ysyukr@gmail.com>
Co-authored-by: Seokho Son <shsongist@gmail.com>
Co-authored-by: Lawrence Kay <me@lkaybob.pe.kr>
Co-authored-by: Jesang Myung <jesang.myung@gmail.com>
Co-authored-by: June Yi <june.yi@samsung.com>

* clean up makefile, config (#18517)

Added target for createversiondirs (shell script) in Makefile.

updates for tagged release

regenerate api ref, rm Makefile_temp

add parens to pip check

* Improve Russian translation of Home page (#17841)

* Improve Russian translation of Home page

* Update i18n/ru.toml

Co-Authored-By: Slava Semushin <slava.semushin@gmail.com>

* Update content/ru/_index.html

Co-Authored-By: Slava Semushin <slava.semushin@gmail.com>

* Update content/ru/_index.html

Co-Authored-By: Slava Semushin <slava.semushin@gmail.com>

Co-authored-by: Slava Semushin <slava.semushin@gmail.com>

* update ref link for v1.16 (#18837)

Related to issue #18820.

remove links to prev API refs

* Cleanup user journeys related configs and scripts (#18814)

* See also removed file 81 to 85 (#18909)

* see also removed file 81

* see also removed file 82

* see also removed file 83

* see also removed file 84

* see also removed file 85

* See also removed file 65 to 70 (#18908)

* see also removed file 65

* see also removed file 66

* see also removed file 67

* see also removed file 68

* see also removed file 69

* see also removed file 70

* Translate Task index page into Polish (#18876)

Co-Authored-By: Karol Pucyński <kpucynski@gmail.com>
Co-Authored-By: Michał Sochoń <kaszpir@gmail.com>

Co-authored-by: Karol Pucyński <9209870+kpucynski@users.noreply.github.com>
Co-authored-by: Michał Sochoń <kaszpir@gmail.com>

* Document dry-run authorization requirements (#18235)

* Document dry-run write access requirement.

- Add section on dry-run authorization
- Refer to dry-run authorization for diff
- Consistently hyphenate dry-run

* Update content/en/docs/reference/using-api/api-concepts.md

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

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* reword storage release note to match the change in k/k PR #87090 (#18921)

* sync zh-trans content/zh/docs/concepts/workloads/controllers/ttlafterfinished.md (#18868)

* See also removed file 60 to 63 (#18907)

* see also removed file 60

* see also removed file 61

* see also removed file 62

* see also removed file 63

* See also removed file 91 to 95 (#18910)

* see also removed file 91

* see also removed file 93

* see also removed file 94

* see also removed file 95

* content/zh/docs/concepts/workloads/pods/podpreset.md (#18870)

* fix: fixed eating initial 2 spaces inside code. (#18914)

* Update Calico section of kubeadm install guide (#18821)

* Update Calico section of kubeadm install guide

* Address review feedback

* See also removed file 96 to 100 (#18911)

* see also removed file 96

* see also removed file 97

* see also removed file 98

* see also removed file 99

* see also removed file 100

* repair zh docs in kubeadm (#18949)

* repair zh docs about kubeadm (#18950)

* Update apparmor.md (#18951)

* Update basic-stateful-set.md (#18952)

* Add missing hyperlink for pod-overhead (#18936)

* Update service.md (#18480)

make article reads more smoothly

* zh-trans update content/zh/docs/concepts/workloads/controllers/deploy… (#18657)

* zh-trans update content/zh/docs/concepts/workloads/controllers/deployment.md

* zh-trans update content\zh\docs\concepts\workloads\controllers\deployment.md

* Update source-ip documentation (#18760)

* sync zh-trans /docs/concepts/workloads/pods/pod.md (#18880)

* sync zh-trans /docs/concepts/workloads/controllers/cron-jobs.md and /docs/concepts/workloads/controllers/daemonset.md (#18864)

* sync zh-trans content/zh/docs/concepts/workloads/controllers/ttlafterfinished.md (#18867)

* Add a French version of Secret concept page (#18604)

* Add a French version of Secret concept page

* Fix

* Fix

* Update content/fr/docs/concepts/configuration/secret.md

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

* Fix

* Update content/fr/docs/concepts/configuration/secret.md

Co-Authored-By: Aurélien Perrier <aperrier@universe.sh>

* Fix

Co-authored-by: Tim Bannister <tim@scalefactory.com>
Co-authored-by: Aurélien Perrier <aperrier@universe.sh>

* (refactor): Corrections (grammatical) in service.md file (#18944)

* Update service.md

* Fixed the invaild changes

Signed-off-by: Udit Gaurav <uditgaurav@gmail.com>

* Update container-runtimes.md (#18608)

for debian install of docker, also install gnupg2 for apt-key add to work

* Fix that dual-stack does not require Kubenet specifically (#18924)

* Fix that dual-stack does not require Kubenet specifically

Rather it requires a network plugin that supports dual-stack, and
others are available, including Calico.

* Update content/en/docs/tasks/network/validate-dual-stack.md

Added link to doc about network plugins

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

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* Revert "Configurable Scaling for the HPA (#18157)" (#18963)

This reverts commit 5dbfaafe1a.

* Update horizontal-pod-autoscale-walkthrough.md (#18960)

Update command for creating php-apache deployment due to the following warning: `kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.`

* doc: add link for type=LoadBalancer service in tutorial. (#18916)

* Typo fix (#18830)

* sync zh-trans content/zh/docs/concepts/workloads/controllers/statefulset.md (#18869)

* Revise pull request template (#18744)

* Revise pull request template

* Reference compiled docs in PR template

Refer readers to https://k8s.io/contribute/start/

This keeps the template short, and it lets Hugo use templating for
the current version.

* Update certificates.md (#18970)

* Add web-ui-dashboard to French (#17974)

* Add web-ui-dashboard to French

* Update content/fr/docs/tasks/access-application-cluster/web-ui-dashboard.md

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

* Update content/fr/docs/tasks/access-application-cluster/web-ui-dashboard.md

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

* Fix

* Fix

* Fix

* Update content/fr/docs/tasks/access-application-cluster/web-ui-dashboard.md

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

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

* Fix

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* Added a translated code of conduct (#18981)

* Added a translated code of conduct

* fixed some minor mistakes and capitalization

* Moved to informal speech

* Translate the contribute advanced page to French (#13425)

* Translate the contribute advanced page to French

* Corrections

* Correction

* Correction

* Correction

* Correction

* Correction

* Fix typo in hello-minikube.md (#18991)

* Add note for LB behaviour for cordoned nodes. (#18784)

* Add note for LB behaviour for cordoned nodes.

See also https://github.com/kubernetes/kubernetes/issues/65013
This is a reasonably common pitfall: `kubectl cordon <all nodes>` will also drop all LB traffic to the cluster, but this is not documented anywhere but in issues, when found it is usually already too late.

* Update with feedback

* Add KIND as the options for spinning up a test kubernetes environment (#17860)

* fix typo in /ja/docs/concepts/workloads/pods/init-containers (#18997)

* hide some original comments in translate docs (#18986)

* hide original comment

* hide some original comments

* Fix code of conduct title (#19006)

* Added a note about built-in priority-classes (#18979)

* Added a note about build-in priority-classes

* Update content/en/docs/concepts/configuration/pod-priority-preemption.md

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

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* Add description for TTL (#19001)

* Fix whitespace on deployment page (#18990)

* Add details to the API deprecations blog post (#19014)

* Document list/map/structType and listMapKeys (#18977)

These markers where introduced to describe topology of lists, maps,
structs - primarily in support of server-side apply.

Secondarily, a small typo fix:)

* Remove "Unschedulable" pod condition type from the pod lifecycle docs (#18956)

The pod lifecycle documentation erroneously indicated `Unschedulable` as a possible `type` of pod condition. That's not true. Only four condition types exist. The `Unschedulable` value is not a type, but one of the possible reasons of the `PodScheduled` condition type.

* Revise “Encrypting Secret Data at Rest” (#18810)

* Drop reference to old Kubernetes versions

At the time of writing, Kubernetes v1.13 is the oldest supported
version, and encryption-at-rest is no longer alpha.

* Tidy whitespace

* Add table caption

* Set metadata for required Kubernetes version

* maintain the current relative path when switching to other site versions (#18871)

* Update kubectl create configmap section (#18885)

* Add common examples to Service Topology documentation (#18712)

* service topology: add missing 'enabling service topology' page

Signed-off-by: Andrew Sy Kim <kiman@vmware.com>

* service topology: add common examples

Signed-off-by: Andrew Sy Kim <kiman@vmware.com>

* updating contrib for ref docs (#18787)

more cleanup

* fix translate docs format (#19018)

* Update nodes.md (#19019)

* Translate Contribute index page into Russian (#19022)

* Added german translation for Addons page (#19010)

* Added german translation for Addons page

* Smaller adjustments

* removed a english leftover-sentence
* consistent spelling of "Add-Ons"

* Removed english entry for CoreDNS

* Update content/de/docs/concepts/cluster-administration/addons.md

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

* Translated a heading

Co-authored-by: Tim Bannister <tim@scalefactory.com>

* (fix) Removed `-n test` from `kubectl get pv` command (#18877)

- PV are cluster scoped rather than namespaced scope
    - So, there is no need to list it by namespace

Signed-off-by: Aman Gupta <aman.gupta@mayadata.io>

* Link to setup page about Kind (#18996)

Link from /docs/setup/ to /docs/setup/learning-environment/kind/ now
that the target page exists.

* Create Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md (#18808)

* Create Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Taylor Dolezal <onlydole@users.noreply.github.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

Co-Authored-By: Bob Killen <killen.bob@gmail.com>

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update content/en/blog/_posts/Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Update Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

* Update and rename Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md to 2020-02-07-Deploying-External-OpenStack-Cloud-Provider-With-Kubeadm.md

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* Revise glossary entry for Device Plugin (#16291)

* Document control plane monitoring (#17578)

* Document control plane monitoring

* Update content/en/docs/concepts/cluster-administration/monitoring.md

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* Update content/en/docs/concepts/cluster-administration/monitoring.md

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* Merge controller-metrics.md into monitoring.md

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* Document none driver compatibility with non docker runtime. (#17952)

* Refined unclear sentence on 3rd party dependencies (#18015)

* Refined unclear sentence on 3rd party dependencies

I reworded the sentence on third party dependencies a bit in order to make it more sound

* Update content/en/docs/concepts/security/overview.md

Sounds much better

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* Improve network policies concept (#18091)

* Adopt website style guidelines

* Tweak wording

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* Make sample NetworkPolicies downloadable

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* clean up secret generators (#18320)

* Use built-in version check & metadata (#18542)

* Reword kubelet live reconfiguration task (#18629)

- Revise version requirements
- Use glossary tooltips in summary
- Use sentence case for headings
- Write kubelet in lowercase where appropriate
- Add “What's next” section

* fix: add dns search record limit note. (#18913)

* Remove duplicate content: Roles & Responsibilities (#18920)

* Remove duplicate content: Roles & Responsibilities

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Address feedback

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* Apply suggestions from review

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* Link to contribution guidelines

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* Address PR feedback

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* Fix of pull request #18960 (#18974)

* Fix of pull request #18960

* Add yaml configuration file snippets

* Remove redundant code snippet for  command

* Update cheatsheet.md (#18975)

* Update cheatsheet.md

"List all pods in the namespace, with more details" command corrected by adding --all-namespaces

* Update content/en/docs/reference/kubectl/cheatsheet.md

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* Correct description of Knitter CNI plugin (#18983)

* Add Elastic metricbeat to examples of DaemonSets and rename logstash (#19024)

* Add Elastic metricbeat to examples of DaemonSets

The URL points to the docs related to how to configure metricbeat on k8s

* Filebeat is the next thing

* Separated commands from output (#19023)

* Update KubeCon URLs (#19027)

The URLs had changed (and were being redirected). Also, added parameters to better identify the traffic source.

* remove see also and close issue (#19032)

* sync zh-trans content/zh/docs/concepts/workloads/controllers/garbage-collection.md (#18865)

* zh trans /docs/reference/access-authn-authz/extensible-admission-controllers.md (#18856)

* Update zh/docs/concepts/services-networking/dns-pod-service.md#pods (#18992)

* Adding contribution best practice in contribute docs (#18059)

* Add kubectl patch example with quotes on Windows (#18853)

* Add kubectl patch example with quotes on Windows

When running the `kubectl patch` example, on Windows systems you get an
error when passing the patch request in single quotes. Passing it in
double quotes with the inner ones escaped produced the desired behavior
as is in the example given for Linux systems. I've added a small note
for Windows users to have that in mind.

Signed-off-by: Mariyan Dimitrov <mariyan.dimitrov@gmail.com>

* Use Hugo note shortcode

Windows note is placed inside a
[shortcode](https://kubernetes.io/docs/contribute/style/style-guide/#shortcodes)
to be consistent with the style guide.

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* Remove shell Markdown syntax

I've removed the shell syntax from the Windows example and have changed
the description to be the same as the one used in
[jsonpath](https://kubernetes.io/docs/reference/kubectl/jsonpath/)
document to be more consistent. The jsonpath example uses cmd syntax,
though it is note inside a note shortcode, therefore I've opted out of
using any syntax as it seems to break rendering inside the shortcode.

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* Add cmd markdown syntax and fix order list

I've tested this locally with `make docker-serve` on my Linux machine
and finally things are looking better, I've managed to address these two
issues:

- the Windows example is now inside `note` shortcode and also the cmd
syntax renders correctly on the page

- the list of steps broke after the first one, I've indented a paragraph
and now the steps are in the expected order

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* Remove command prompt from example

According to the [style guide](https://kubernetes.io/docs/contribute/style/style-guide/#don-t-include-the-command-prompt), the command prompt should not be included when showing an example. This commit removes it for consistency with the style guide.

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* cleanup /docs/concepts/workloads/pods/pod-lifecycle/ (#19009)

* update nodes.md (#18987)

将“用量低”更改为“可用量低”,避免歧义

* Remove command prompt from Windows example (#18906)

* Remove command prompt from Windows example

According to the [style
guide](https://kubernetes.io/docs/contribute/style/style-guide/#don-t-include-the-command-prompt),
the command prompt should not be included in the examples. Removing the
Windows command prompt from the jsonpath example.

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* Put Windows example inside note shortcode

I'm putting the Windows example in a Hug note shortcode to be consistent
with the rest of the documentation.

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* Updated CHANGELOG-11 link (#19036)

* update command used to create deployment (#19005)

The previous one was showing a deprecation warning when used.

* Update Korean localization guide (#19004)

rev1-Update Korean localization guide

* docs: fix broken etcd's official documents link (#19021)

* Update automated-tasks-with-cron-jobs.md (#19043)

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This commit is contained in:
Vineeth Pothulapati
2020-02-11 04:15:53 +05:30
committed by GitHub
parent fb1c0e8b77
commit 63f30b086a
313 changed files with 18391 additions and 6502 deletions
@@ -1,11 +1,4 @@
---
reviewers:
- enisoc
- erictune
- foxish
- janetkuo
- kow3ns
- smarterclayton
title: StatefulSets
content_template: templates/concept
weight: 40
@@ -34,13 +27,6 @@ StatefulSet is the workload API object used to manage stateful applications.
StatefulSet 是用来管理有状态应用的工作负载 API 对象。
{{< note >}}
<!--**Note:** StatefulSets are stable (GA) in 1.9.-->
**注意** StatefulSets 是在 1.9 版本中正式发布的。
{{< /note >}}
{{< glossary_definition term_id="statefulset" length="all" >}}
{{% /capture %}}
@@ -48,15 +34,27 @@ StatefulSet 是用来管理有状态应用的工作负载 API 对象。
<!--
## Using StatefulSets
-->
## 使用 StatefulSets
<!--
StatefulSets are valuable for applications that require one or more of the
following.
-->
StatefulSets 对于需要满足以下一个或多个需求的应用程序很有价值:
<!--
* Stable, unique network identifiers.
* Stable, persistent storage.
* Ordered, graceful deployment and scaling.
* Ordered, automated rolling updates.
-->
* 稳定的、唯一的网络标识符。
* 稳定的、持久的存储。
* 有序的、优雅的部署和缩放。
* 有序的、自动的滚动更新。
<!--
In the above, stable is synonymous with persistence across Pod (re)scheduling.
If an application doesn't require any stable identifiers or ordered deployment,
deletion, or scaling, you should deploy your application using a workload object
@@ -64,21 +62,14 @@ that provides a set of stateless replicas.
[Deployment](/docs/concepts/workloads/controllers/deployment/) or
[ReplicaSet](/docs/concepts/workloads/controllers/replicaset/) may be better suited to your stateless needs.
-->
## 使用 StatefulSets
StatefulSets 对于需要满足以下一个或多个需求的应用程序很有价值:
* 稳定的、唯一的网络标识符。
* 稳定的、持久的存储。
* 有序的、优雅的部署和缩放。
* 有序的、自动的滚动更新。
在上面,稳定意味着 Pod 调度或重调度的整个过程是有持久性的。如果应用程序不需要任何稳定的标识符或有序的部署、删除或伸缩,则应该使用由一组无状态的副本控制器提供的工作负载来部署应用程序,比如 [Deployment](/docs/concepts/workloads/controllers/deployment/) 或者 [ReplicaSet](/docs/concepts/workloads/controllers/replicaset/) 可能更适用于您的无状态需要。
在上面,稳定意味着 Pod 调度或重调度的整个过程是有持久性的。如果应用程序不需要任何稳定的标识符或有序的部署、删除或伸缩,则应该使用由一组无状态的副本控制器提供的工作负载来部署应用程序,比如 [Deployment](/docs/concepts/workloads/controllers/deployment/) 或者 [ReplicaSet](/docs/concepts/workloads/controllers/replicaset/) 可能更适用于您的无状态应用部署需要。
<!--
## Limitations
-->
## 限制
<!--
* The storage for a given Pod must either be provisioned by a [PersistentVolume Provisioner](https://github.com/kubernetes/examples/tree/{{< param "githubbranch" >}}/staging/persistent-volume-provisioning/README.md) based on the requested `storage class`, or pre-provisioned by an admin.
* Deleting and/or scaling a StatefulSet down will *not* delete the volumes associated with the StatefulSet. This is done to ensure data safety, which is generally more valuable than an automatic purge of all related StatefulSet resources.
* StatefulSets currently require a [Headless Service](/docs/concepts/services-networking/service/#headless-services) to be responsible for the network identity of the Pods. You are responsible for creating this Service.
@@ -87,13 +78,9 @@ StatefulSets 对于需要满足以下一个或多个需求的应用程序很有
[Pod Management Policy](#pod-management-policies) (`OrderedReady`),
it's possible to get into a broken state that requires
[manual intervention to repair](#forced-rollback).
-->
## 限制
* 给定 Pod 的存储必须由 [PersistentVolume 驱动](https://github.com/kubernetes/examples/tree/{{< param "githubbranch" >}}/staging/persistent-volume-provisioning/README.md) 基于所请求的 `storage class` 来提供,或者由管理员预先提供。
* 删除和/或收缩 StatefulSet 并*不会*删除它关联的存储卷。这样做是为了保证数据安全,它通常比自动清除 StatefulSet 所有相关的资源更有价值。
* 删除或收缩 StatefulSet 并*不会*删除它关联的存储卷。这样做是为了保证数据安全,它通常比自动清除 StatefulSet 所有相关的资源更有价值。
* StatefulSet 当前需要 [headless 服务](/docs/concepts/services-networking/service/#headless-services) 来负责 Pod 的网络标识。您需要负责创建此服务。
* 当删除 StatefulSets 时,StatefulSet 不提供任何终止 Pod 的保证。为了实现 StatefulSet 中的 Pod 可以有序和优雅的终止,可以在删除之前将 StatefulSet 缩放为 0。
* 在默认 [Pod 管理策略](#pod-management-policies)(`OrderedReady`) 时使用 [滚动更新](#rolling-updates),可能进入需要 [人工干预](#forced-rollback) 才能修复的损坏状态。
@@ -101,20 +88,11 @@ StatefulSets 对于需要满足以下一个或多个需求的应用程序很有
<!--
## Components
The example below demonstrates the components of a StatefulSet.
* A Headless Service, named nginx, is used to control the network domain.
* The StatefulSet, named web, has a Spec that indicates that 3 replicas of the nginx container will be launched in unique Pods.
* The volumeClaimTemplates will provide stable storage using [PersistentVolumes](/docs/concepts/storage/persistent-volumes/) provisioned by a PersistentVolume Provisioner.
-->
## 组件
下面的示例演示了 StatefulSet 的组件。
* 名为 nginx 的无头服务用来控制网络域。
* 名为 web 的 StatefulSet 有一个 Spec,它表明将在单个 Pod 中启动 nginx 容器的 3 个副本。
* volumeClaimTemplates 将通过 [PersistentVolumes](/docs/concepts/storage/persistent-volumes/) 驱动提供的 PersistentVolume 来提供稳定的存储。
```yaml
apiVersion: v1
kind: Service
@@ -166,39 +144,54 @@ spec:
storage: 1Gi
```
<!--
* A Headless Service, named `nginx`, is used to control the network domain.
* The StatefulSet, named `web`, has a Spec that indicates that 3 replicas of the nginx container will be launched in unique Pods.
* The `volumeClaimTemplates` will provide stable storage using [PersistentVolumes](/docs/concepts/storage/persistent-volumes/) provisioned by a PersistentVolume Provisioner.
-->
* 名为 `nginx` 的 Headless Service 用来控制网络域名。
* 名为 `web` 的 StatefulSet 有一个 Spec,它表明将在独立的 3 个 Pod 副本中启动 nginx 容器。
* `volumeClaimTemplates` 将通过 PersistentVolumes 驱动提供的 [PersistentVolumes](/docs/concepts/storage/persistent-volumes/) 来提供稳定的存储。
<!--
## Pod Selector
-->
## Pod 选择器 {#pod-selector}
<!--
You must set the `.spec.selector` field of a StatefulSet to match the labels of its `.spec.template.metadata.labels`. Prior to Kubernetes 1.8, the `.spec.selector` field was defaulted when omitted. In 1.8 and later versions, failing to specify a matching Pod Selector will result in a validation error during StatefulSet creation.
-->
## Pod 选择器
您必须设置 StatefulSet 的 `.spec.selector` 字段来匹配它的`.spec.template.metadata.labels`标签。在 Kubernetes 1.8 版本之前,忽略`.spec.selector` 字段会提供默认设置。在 1.8 和以后的版本中,指定的 Pod 选择器匹配失败将在创建 StatefulSet 期间导致验证错误。
您必须设置 StatefulSet 的 `.spec.selector` 字段,使之匹配其在 `.spec.template.metadata.labels` 中设置的标签。在 Kubernetes 1.8 版本之前,被忽略 `.spec.selector` 字段会获得默认设置值。在 1.8 和以后的版本中,未指定匹配的 Pod 选择器将在创建 StatefulSet 期间导致验证错误。
<!--
## Pod Identity
-->
## Pod 标识
<!--
StatefulSet Pods have a unique identity that is comprised of an ordinal, a
stable network identity, and stable storage. The identity sticks to the Pod,
regardless of which node it's (re)scheduled on.
-->
## Pod 的身份
StatefulSet Pod 具有唯一的标识,该标识包括顺序标识、稳定的网络标识和稳定的存储。该标识和 Pod 是绑定的,不管它被调度在哪个节点上。
<!--
### Ordinal Index
-->
### 有序索引
<!--
For a StatefulSet with N replicas, each Pod in the StatefulSet will be
assigned an integer ordinal, from 0 up through N-1, that is unique over the Set.
-->
### 有序索引
对于具有 N 个副本的 StatefulSetStatefulSet 中的每个 Pod 将被分配一个整数序号,从 0 到 N-1,该序号在 StatefulSet 上是唯一的。
<!--
### Stable Network ID
-->
### 稳定的网络 ID
<!--
Each Pod in a StatefulSet derives its hostname from the name of the StatefulSet
and the ordinal of the Pod. The pattern for the constructed hostname
is `$(statefulset name)-$(ordinal)`. The example above will create three Pods
@@ -211,14 +204,10 @@ As each Pod is created, it gets a matching DNS subdomain, taking the form:
`$(podname).$(governing service domain)`, where the governing service is defined
by the `serviceName` field on the StatefulSet.
-->
### 稳定的网络 ID
StatefulSet 中的每个 Pod 根据 StatefulSet 的名称和 Pod 的序号派生出它的主机名。组合主机名的格式为`$(statefulset name)-$(ordinal)`。上例将会创建三个名称为`web-0,web-1,web-2`的三个 Pod。
StatefulSet 中的每个 Pod 根据 StatefulSet 的名称和 Pod 的序号派生出它的主机名。组合主机名的格式为`$(StatefulSet 名称)-$(序号)`。上例将会创建三个名称分别为 `web-0、web-1、web-2` 的 Pod。
StatefulSet 可以使用 [headless 服务](/docs/concepts/services-networking/service/#headless-services) 控制它的 Pod 的网络域。管理域的这个服务的格式为:
`$(service name).$(namespace).svc.cluster.local`,其中`cluster.local`是集群域。
一旦每个 Pod 创建成功,就会得到一个匹配的 DNS 子域,格式为:`$(podname).$(governing service domain)`,其中管理服务由 StatefulSet 的 `serviceName` 域来定
`$(服务名称).$(命名空间).svc.cluster.local`,其中 `cluster.local` 是集群域。
一旦每个 Pod 创建成功,就会得到一个匹配的 DNS 子域,格式为:`$(pod 名称).$(所属服务的 DNS 域名)`,其中所属服务由 StatefulSet 的 `serviceName` 域来定。
<!--
Here are some examples of choices for Cluster Domain, Service name,
@@ -233,19 +222,20 @@ Cluster Domain | Service (ns/name) | StatefulSet (ns/name) | StatefulSet Domain
cluster.local | foo/nginx | foo/web | nginx.foo.svc.cluster.local | web-{0..N-1}.nginx.foo.svc.cluster.local | web-{0..N-1} |
kube.local | foo/nginx | foo/web | nginx.foo.svc.kube.local | web-{0..N-1}.nginx.foo.svc.kube.local | web-{0..N-1} |
{{< note >}}
<!--
**Note:** Cluster Domain will be set to `cluster.local` unless
Cluster Domain will be set to `cluster.local` unless
[otherwise configured](/docs/concepts/services-networking/dns-pod-service/#how-it-works).
-->
**注意** 集群域会被设置为 `cluster.local` 除非有[其他配置](/docs/concepts/services-networking/dns-pod-service/#how-it-works)。
{{< note >}}
集群域会被设置为 `cluster.local`,除非有[其他配置](/docs/concepts/services-networking/dns-pod-service/#how-it-works)。
{{< /note >}}
<!--
### Stable Storage
-->
### 稳定的存储
<!--
Kubernetes creates one [PersistentVolume](/docs/concepts/storage/persistent-volumes/) for each
VolumeClaimTemplate. In the nginx example above, each Pod will receive a single PersistentVolume
with a StorageClass of `my-storage-class` and 1 Gib of provisioned storage. If no StorageClass
@@ -255,38 +245,34 @@ PersistentVolume Claims. Note that, the PersistentVolumes associated with the
Pods' PersistentVolume Claims are not deleted when the Pods, or StatefulSet are deleted.
This must be done manually.
-->
### 稳定的存储
Kubernetes 为每个 VolumeClaimTemplate 创建一个 [PersistentVolume](/docs/concepts/storage/persistent-volumes/)。在上面的 nginx 示例中,每个 Pod 将会得到基于 StorageClass `my-storage-class` 提供的 1 Gib 的 PersistentVolume。如果没有声明 StorageClass,就会使用默认的 StorageClass。当一个 Pod 被安排到节点上时,它的 `volumeMounts` 挂载了与其 PersistentVolumeClaims 相关联的 PersistentVolume。请注意,当 Pod 或者 StatefulSet 被删除时,与 PersistentVolumeClaims 相关联的 PersistentVolume 并不会被删除。要删除它必须通过手动方式来完成。
Kubernetes 为每个 VolumeClaimTemplate 创建一个 [PersistentVolume](/docs/concepts/storage/persistent-volumes/)。在上面的 nginx 示例中,每个 Pod 将会得到基于 StorageClass `my-storage-class` 提供的 1 Gib 的 PersistentVolume。如果没有声明 StorageClass,就会使用默认的 StorageClass。当一个 Pod 被调度(重新调度)到节点上时,它的 `volumeMounts` 会挂载与其 PersistentVolumeClaims 相关联的 PersistentVolume。请注意,当 Pod 或者 StatefulSet 被删除时,与 PersistentVolumeClaims 相关联的 PersistentVolume 并不会被删除。要删除它必须通过手动方式来完成。
<!--
### Pod Name Label
-->
### Pod 名称标签
<!--
When the StatefulSet {{< glossary_tooltip term_id="controller" >}} creates a Pod,
it adds a label, `statefulset.kubernetes.io/pod-name`, that is set to the name of
the Pod. This label allows you to attach a Service to a specific Pod in
the StatefulSet.
-->
### Pod 名称标签
当 StatefulSet {{< glossary_tooltip term_id="controller" >}} 创建 Pod 时,它会添加一个标签 `statefulset.kubernetes.io/pod-name`,该标签设置为 Pod 名称。这个标签允许您给 StatefulSet 中的特定 Pod 绑定一个 Service。
<!--
## Deployment and Scaling Guarantees
-->
## 部署和扩缩保证
<!--
* For a StatefulSet with N replicas, when Pods are being deployed, they are created sequentially, in order from {0..N-1}.
* When Pods are being deleted, they are terminated in reverse order, from {N-1..0}.
* Before a scaling operation is applied to a Pod, all of its predecessors must be Running and Ready.
* Before a Pod is terminated, all of its successors must be completely shutdown.
-->
## 部署和伸缩保证
* 对于包含 N 个 副本的 StatefulSet,当部署 Pod 时,它们是依次创建的,顺序为`0..N-1`
* 当删除 Pod 时,它们是逆序终止的,顺序为`N-1..0`
* 对于包含 N 个 副本的 StatefulSet,当部署 Pod 时,它们是依次创建的,顺序为 `0..N-1`
* 当删除 Pod 时,它们是逆序终止的,顺序为 `N-1..0`
* 在将缩放操作应用到 Pod 之前,它前面的所有 Pod 必须是 Running 和 Ready 状态。
* 在 Pod 终止之前,所有的继任者必须完全关闭。
@@ -294,7 +280,7 @@ the StatefulSet.
The StatefulSet should not specify a `pod.Spec.TerminationGracePeriodSeconds` of 0. This practice is unsafe and strongly discouraged. For further explanation, please refer to [force deleting StatefulSet Pods](/docs/tasks/run-application/force-delete-stateful-set-pod/).
-->
StatefulSet 不应该声明 `pod.Spec.TerminationGracePeriodSeconds` 为 0。这种做法是不安全的,要强烈阻止。更多的解释请参考 [强制删除 StatefulSet Pods](/docs/tasks/run-application/force-delete-stateful-set-pod/)。
StatefulSet 不应 `pod.Spec.TerminationGracePeriodSeconds` 设置为 0。这种做法是不安全的,要强烈阻止。更多的解释请参考 [强制删除 StatefulSet Pod](/docs/tasks/run-application/force-delete-stateful-set-pod/)。
<!--
When the nginx example above is created, three Pods will be deployed in the order
@@ -315,67 +301,76 @@ is completely shutdown, but prior to web-1's termination, web-1 would not be ter
until web-0 is Running and Ready.
-->
如果用户想将示例中的 StatefulSet 收缩为 `replicas=1`,首先被终止的是 web-2。在 web-2 没有被完全停止和删除前,web-1 不会被终止。当 web-2 已被终止和删除、web-1 尚未被终止,如果在此期间发生 web-0 运行失败,那么就不会终止 web-1,必须等到 web-0 进入 Running 和 Ready 状态后才会终止 web-1。
如果用户想将示例中的 StatefulSet 收缩为 `replicas=1`,首先被终止的是 web-2。在 web-2 没有被完全停止和删除前,web-1 不会被终止。当 web-2 已被终止和删除、web-1 尚未被终止,如果在此期间发生 web-0 运行失败,那么就不会终止 web-1,必须等到 web-0 进入 Running 和 Ready 状态后才会终止 web-1。
<!--
### Pod Management Policies
-->
### Pod 管理策略 {#pod-management-policies}
<!--
In Kubernetes 1.7 and later, StatefulSet allows you to relax its ordering guarantees while
preserving its uniqueness and identity guarantees via its `.spec.podManagementPolicy` field.
-->
在 Kubernetes 1.7 及以后的版本中,StatefulSet 允许您不要求其排序保证,同时通过它的 `.spec.podManagementPolicy` 域保持其唯一性和身份保证。
在 Kubernetes 1.7 及以后的版本中,StatefulSet 允许您放宽其排序保证,同时通过它的 `.spec.podManagementPolicy` 域保持其唯一性和身份保证。
<!--
#### OrderedReady Pod Management
-->
#### OrderedReady Pod 管理
<!--
`OrderedReady` pod management is the default for StatefulSets. It implements the behavior
described [above](#deployment-and-scaling-guarantees).
-->
`OrderedReady` Pod 管理是 StatefulSet 的默认设置。它实现了[上面](#deployment-and-scaling-guarantees)描述的功能。
<!--
#### Parallel Pod Management
-->
#### Parallel Pod 管理
<!--
`Parallel` pod management tells the StatefulSet controller to launch or
terminate all Pods in parallel, and to not wait for Pods to become Running
and Ready or completely terminated prior to launching or terminating another
Pod.
-->
### Pod 管理策略 {#pod-management-policies}
在 Kubernetes 1.7 及以后的版本中,StatefulSet 允许您放松其排序保证,同时通过它的 `.spec.podManagementPolicy` 域保持其唯一性和身份保证。
#### 有序的 Pod 管理
`有序的` Pod 管理是 StatefulSet 的默认功能。它实现了 [上面](#deployment-and-scaling-guarantees)描述的行为。
#### 并行的 Pod 管理
`并行` Pod 管理让 StatefulSet 控制器并行的启动或终止所有的 Pod,启动或者终止其他 Pod 前,无需等待 Pod 进入 Running 和 ready 或者完全停止状态。
`Parallel` Pod 管理让 StatefulSet 控制器并行的启动或终止所有的 Pod,启动或者终止其他 Pod 前,无需等待 Pod 进入 Running 和 ready 或者完全停止状态。
<!--
## Update Strategies
-->
## 更新策略
<!--
In Kubernetes 1.7 and later, StatefulSet's `.spec.updateStrategy` field allows you to configure
and disable automated rolling updates for containers, labels, resource request/limits, and
annotations for the Pods in a StatefulSet.
-->
## 更新策略
在 Kubernetes 1.7 及以后的版本中,StatefulSet 的 `.spec.updateStrategy` 字段让您可以配置和禁用掉自动滚动更新 Pod 的容器、标签、资源请求/限制、以及注解。
在 Kubernetes 1.7 及以后的版本中,StatefulSet 的 `.spec.updateStrategy` 字段让您可以配置和禁用掉自动滚动更新 Pod 的容器、标签、资源请求或限制、以及注解。
<!--
### On Delete
-->
### 关于删除策略
<!--
The `OnDelete` update strategy implements the legacy (1.6 and prior) behavior. When a StatefulSet's
`.spec.updateStrategy.type` is set to `OnDelete`, the StatefulSet controller will not automatically
update the Pods in a StatefulSet. Users must manually delete Pods to cause the controller to
create new Pods that reflect modifications made to a StatefulSet's `.spec.template`.
-->
### On Delete
`OnDelete` 更新策略实现了 1.6 及以前版本的历史遗留行为。当 StatefulSet 的 `.spec.updateStrategy.type` 设置为 `OnDelete` 时,它的控制器将不会自动更新 StatefulSet 中的 Pod。用户必须手动删除 Pod 以便让控制器创建新的 Pod,以此来对 StatefulSet 的 `.spec.template` 的变动作出反应。
<!--
### Rolling Updates
-->
### 滚动更新 {#rolling-updates}
<!--
The `RollingUpdate` update strategy implements automated, rolling update for the Pods in a
StatefulSet. It is the default strategy when `.spec.updateStrategy` is left unspecified. When a StatefulSet's `.spec.updateStrategy.type` is set to `RollingUpdate`, the
StatefulSet controller will delete and recreate each Pod in the StatefulSet. It will proceed
@@ -383,16 +378,16 @@ in the same order as Pod termination (from the largest ordinal to the smallest),
each Pod one at a time. It will wait until an updated Pod is Running and Ready prior to
updating its predecessor.
-->
### 滚动更新 {#rolling-updates}
`RollingUpdate` 更新策略对 StatefulSet 中的 Pod 执行自动的滚动更新。在没有声明`.spec.updateStrategy`时,`RollingUpdate`是默认配置。
`RollingUpdate` 更新策略对 StatefulSet 中的 Pod 执行自动的滚动更新。在没有声明 `.spec.updateStrategy` 时,`RollingUpdate` 是默认配置。
当 StatefulSet 的 `.spec.updateStrategy.type` 被设置为 `RollingUpdate` 时,StatefulSet 控制器会删除和重建 StatefulSet 中的每个 Pod。
它将按照与 Pod 终止相同的顺序(从最大序号到最小序号)进行,每次更新一个 Pod。它会等到被更新的 Pod 进入 Running 和 Ready 状态,然后再更新其前身。
<!--
#### Partitions
-->
#### 分区
<!--
The `RollingUpdate` update strategy can be partitioned, by specifying a
`.spec.updateStrategy.rollingUpdate.partition`. If a partition is specified, all Pods with an
ordinal that is greater than or equal to the partition will be updated when the StatefulSet's
@@ -403,15 +398,15 @@ updates to its `.spec.template` will not be propagated to its Pods.
In most cases you will not need to use a partition, but they are useful if you want to stage an
update, roll out a canary, or perform a phased roll out.
-->
#### 分区
通过声明 `.spec.updateStrategy.rollingUpdate.partition`的方式,`RollingUpdate`更新策略可以实现分区。如果声明了一个分区,当 StatefulSet 的`.spec.template` 被更新时,所有序号大于等于该分区序号的 Pod 都会被更新。所有序号小于该分区序号的 Pod 都不会被更新,并且,即使他们被删除也会依据之前的版本进行重建。如果 StatefulSet 的 `.spec.updateStrategy.rollingUpdate.partition` 大于它的 `.spec.replicas`,对它的 `.spec.template` 的更新将不会传递到它的 Pod。
通过声明 `.spec.updateStrategy.rollingUpdate.partition` 的方式,`RollingUpdate` 更新策略可以实现分区。如果声明了一个分区,当 StatefulSet 的 `.spec.template` 被更新时,所有序号大于等于该分区序号的 Pod 都会被更新。所有序号小于该分区序号的 Pod 都不会被更新,并且,即使他们被删除也会依据之前的版本进行重建。如果 StatefulSet 的 `.spec.updateStrategy.rollingUpdate.partition` 大于它的 `.spec.replicas`,对它的 `.spec.template` 的更新将不会传递到它的 Pod。
在大多数情况下,您不需要使用分区,但如果您希望进行阶段更新、执行金丝雀或执行分阶段展开,则这些分区会非常有用。
<!--
#### Forced Rollback
-->
#### 强制回滚 {#forced-rollback}
<!--
When using [Rolling Updates](#rolling-updates) with the default
[Pod Management Policy](#pod-management-policies) (`OrderedReady`),
it's possible to get into a broken state that requires manual intervention to repair.
@@ -430,14 +425,11 @@ After reverting the template, you must also delete any Pods that StatefulSet had
already attempted to run with the bad configuration.
StatefulSet will then begin to recreate the Pods using the reverted template.
-->
#### 强制回滚 {#forced-rollback}
在默认 [Pod 管理策略](#pod-management-policies)(`OrderedReady`) 时使用 [滚动更新](#rolling-updates) ,可能进入需要人工干预才能修复的损坏状态。
如果更新后 Pod 模板配置进入无法运行或就绪的状态(例如,由于错误的二进制文件或应用程序级配置错误),StatefulSet 将停止回滚并等待。
在这种状态下,仅将 Pod 模板还原为正确的配置是不够的。由于 [已知问题](https://github.com/kubernetes/kubernetes/issues/67250)
StatefulSet 将继续等待损坏状态的 Pod 准备就绪(永远不会发生),然后再尝试将其恢复为正常工作配置。
在这种状态下,仅将 Pod 模板还原为正确的配置是不够的。由于[已知问题](https://github.com/kubernetes/kubernetes/issues/67250)StatefulSet 将继续等待损坏状态的 Pod 准备就绪(永远不会发生),然后再尝试将其恢复为正常工作配置。
恢复模板后,还必须删除 StatefulSet 尝试使用错误的配置来运行的 Pod。这样,StatefulSet 才会开始使用被还原的模板来重新创建 Pod。
@@ -447,11 +439,12 @@ StatefulSet 将继续等待损坏状态的 Pod 准备就绪(永远不会发生
<!--
* Follow an example of [deploying a stateful application](/docs/tutorials/stateful-application/basic-stateful-set/).
* Follow an example of [deploying Cassandra with Stateful Sets](/docs/tutorials/stateful-application/cassandra/).
* Follow an example of [running a replicated stateful application](/docs/tasks/run-application/run-replicated-stateful-application/).
-->
* 示例一:[部署有状态应用](/docs/tutorials/stateful-application/basic-stateful-set/)。
* 示例二:[使用 StatefulSet 部署 Cassandra](/docs/tutorials/stateful-application/cassandra/)。
* 示例三:[运行多副本的有状态应用程序](/docs/tasks/run-application/run-replicated-stateful-application/)。
{{% /capture %}}