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website/content/zh/docs/tasks/job/coarse-parallel-processing-work-queue.md
LiuDui b8b2cc7c74 ZH-trans: merge release1.16-temporary to master (#18217)
* zh-trans:/docs/docs/concepts/workloads/pods/ephemeral-containers.md (#16948)

* update zh-trans of define-environment-variable-container.md (#16999)

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* update chinese docs (#16985)

* Fix ordered list (#16988)

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* zh-trans:/docs/reference/setup-tools/kubeadm/kubeadm-upgrade-phase.md (#16951)

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* Remove redundant symbol and fix some ordered list (#17000)

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* update-zh-translation/docs/reference/setup-tools/kubeadm/kubeadm-init.md (#16997)

* update zh translation kubeadm-reset.md kubeadm-upgrade.md (#16992)

* Create kubeadm_join_phase_control-plane-join_all.md (#16987)

* Update web-ui-dashboard.md (#16976)

* update format problem (#16956)

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* zh-trans:/docs/docs/concepts/storage/volume-pvc-datasource.md (#17021)

* update zh translation /docs/reference/access-authn-authz/webhook.md (#16860)

* fix confict update zh translation (#16863)

* zh-trans:/docs/concepts/workloads/pods/disruptions.md (#16983)

* zh-trans:/docs/concepts/workloads/pods/disruptions.md

* Update content/zh/docs/concepts/workloads/pods/disruptions.md

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* update zh translation content/zh/docs/reference/command-line-tools-reference/kube-scheduler.md (#17006)

* Update RC's link (#16935)

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update the style

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* Update the links for /zh/docs/setup (#16938)

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* zh-trans:/docs/docs/concepts/services-networking/dual-stack.md (#17024)

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* update zh translation -/reference/setup-tools/kubeadm/generated/kubeadm_alpha.md (#17038)

* update zh translation /docs/contribute/participating.md (#17040)

* Fix cri-o's links to match English docs (#16936)

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* update zh translation content/zh/docs/reference/kubectl/jsonpath.md (#16862)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_token_generate.md (#17049)

* update Unkown ->  Unknown (#17062)

* zh-translation:high-availability.md (#16960)

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* update Runnning -> Running (#17061)

* zh-trans:/docs/docs/concepts/storage/volume-snapshots.md (#17054)

* update zh transation /docs/reference/setup-tools/kubeadm/generated/kubeadm_reset.md (#17060)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_token_create.md (#17052)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_token.md (#17055)

* update zh translation update-zh-translation-/docs/reference/setup-tools/kubeadm/generated/kubeadm_token_list.md (#17048)

* update zh-translation:ha-topology.md (#17099)

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* zh-trans /reference/setup-tools/kubeadm/generated/kubeadm_config_images_list.md (#17093)

* update zh translation /reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_all.md (#17083)

* Add Chinese translation for scheduler-perf-tuning (#17087)

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Add Chinese translation for scheduler-perf-tuning

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Add Chinese translation for scheduler-perf-tuning

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Add Chinese translation for scheduler-perf-tuning

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* zh trans content/zh/docs/setup/production-environment/tools/kubeadm/control-plane-flags.md (#17121)

* update zh trans content/zh/docs/tasks/access-application-cluster/service-access-application-cluster.md (#17122)

* zh-translation:content/zh/docs/tasks/administer-cluster/namespaces-walkthrough.md (#17105)

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* update-zh-translation-/docs/reference/setup-tools/kubeadm/generated/kubeadm_config_migrate.md (#17091)

* update zh trans /docs/setup/learning-environment/minikube.md (#17143)

* update zh trans /zh/docs/reference/_index.md (#17146)

* update zh trans /docs/tasks/access-application-cluster/port-forward-access-application-cluster.md (#17134)

* update zh translation 20191020-update-zh-translation-/docs/contribute/localization.md (#17046)

* update zh trans /docs/reference/using-api/client-libraries.md (#17144)

* update zh trans /docs/reference/setup-tools/kubeadm/generated/kubeadm_version.md (#17145)

* update zh /docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_node.md (#17131)

* update zh translation /reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_front-proxy-client.md (#17081)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig.md (#17078)

* add zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-join_update-status.md (#17076)

* update zh trans content/zh/docs/contribute/generate-ref-docs/kubectl.md (#17165)

* update zh translation /reference/command-line-tools-reference/kube-proxy.md (#17107)

* zh-trans:/docs/docs/concepts/workloads/pods/pod-topology-spread-const… (#16955)

* zh-trans:/docs/docs/concepts/workloads/pods/pod-topology-spread-constraints.md

* Update pod-topology-spread-constraints.md

* zh-trans:/docs/concepts/configuration/scheduling-framework.md (#17088)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_upload-config_kubelet.md (#17079)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_control-plane_apiserver.md (#17077)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-join.md (#17075)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_token_delete.md (#17050)

* update zh trans /docs/concepts/overview/working-with-objects/namespaces.md (#17205)

* update zh trans /docs/concepts/overview/what-is-kubernetes.md (#17203)

* pr_release-1.16_crictl (#17201)

* update zh docs/tasks/administer-cluster/dns-debugging-resolution.md (#17186)

* update zh trans content/zh/docs/concepts/overview/working-with-objects/field-selectors.md (#17191)

* translate configure_upgrade_etcd (#17160)

* translate kubeadm_upgrade_apply (#17159)

* update zh /docs/tasks/job/coarse-parallel-processing-work-queue.md (#17155)

* translate docs/setup/release/version-skew-policy.md to Chinese (#17142)

* update zh trans content/zh/docs/tasks/access-application-cluster/create-external-load-balancer.md (#17124)

* zh-trans replace the wrong translation (#17103)

zh-trans replace the wrong translation

* Merged 1.14~1.16 changes (#17117)

* zh-trans:/docs/concepts/configuration/assign-pod-node.md (#17129)

* update zh trans /docs/contribute/generate-ref-docs/kubernetes-api.md (#17161)

* pr_release-1.16_basic-ss (#17169)

* Add zh-trans of assign-cpu-resource.md (#17063)

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* update zh trans content/zh/docs/concepts/overview/working-with-objects/common-labels.md (#17193)

* update zh translation /docs/contribute/intermediate.md (#17041)

* zh-trans:docs/setup/production-environment/turnkey/tencent.md (#17207)

* pr_release-1.16_mysql-wordpress-pv (#17202)

* pr_release-1.16_reconfig-kubelet (#17200)

* zh-trans:/docs/docs/concepts/workloads/controllers/jobs-run-completio… (#17020)

* zh-trans:/docs/docs/concepts/workloads/controllers/jobs-run-completion.md

* Update jobs-run-completion.md

* Update jobs-run-completion.md

* update zh trans content/zh/docs/concepts/extend-kubernetes/extend-cluster.md (#17212)

* update zh trans content/zh/docs/concepts/extend-kubernetes/api-extension/apiserver-aggregation.md (#17213)

* add zh trans /docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-prepare_kubeconfig.md (#17220)

kubeadm_join_phase_control-plane-prepare_download-certs.md

* add zh trans /reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs.md and /reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-prepare.md (#17219)

* update zh trans content/zh/docs/concepts/containers/images.md (#17216)

* ZH-trans: add _index.md (#17214)

* ZH-trans: add _index.md

* add _index.md file

* add _index.md files

* pr_release-1.16_crd-versions (#17198)

* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_config_images_pull.md (#17092)

* zh-trans /reference/setup-tools/kubeadm/generated/kubeadm_config_images.md (#17094)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_addon_kube-proxy.md   and   content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_sa.md (#17222)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-prepare_all.md  content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-prepare_certs.md (#17221)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_addon_all.md (#17223)

* 013 /docs/concepts/services networking/ingress.md (#17185)

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* update zh trans content/zh/docs/concepts/services-networking/ingress.md

* zh-trans:/reference/setup-tools/kubeadm/generated/kubeadm_completion.md and kubeadm_config.md (#17097)

* add zh trans reference/glossary/pod-lifecycle (#17226)

* update zh-translation document (#17096)

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* update zh-translation:setup-ha-etcd-with-kubeadm.md (#17098)

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* add zh trans /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_selfhosting.md and /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubelet_config_enable-dynamic.md (#17227)

* add zh trans /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubeconfig_user.md and /docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_upload-config_kubeadm.md (#17228)

* zh-translation:content/zh/docs/tasks/extend-kubectl/kubectl-plugins.md (#17089)

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* update zh translation /docs/reference/setup-tools/kubeadm/generated/kubeadm_join.md (#17080)

* update zh translation /reference/setup-tools/kubeadm/generated/kubeadm_config_view.md (#17085)

* zh-translation:troubleshooting-kubeadm.md (#17069)

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* zh-trans: docs/concepts/scheduling/kube-scheduler.md (#17067)

* Add Chinese translation for kube-scheduler

Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn>

Add Chinese translation for kube-scheduler

Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn>

Add Chinese translation for kube-scheduler

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Add Chinese translation for kube-scheduler

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Add Chinese translation for kube-scheduler

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Add Chinese translation for kube-scheduler

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Add Chinese translation for kube-scheduler

Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn>

Add Chinese translation for kube-scheduler

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* Update kube-scheduler.md

* Add Chinese translation for kube-scheduler

* Update kube-scheduler.md

* Update kube-scheduler.md

* Update kube-scheduler.md

* translate pods.md  and init-containers.md for branch release-1.16 (#17208)

* update zh translation /docs/contribute/start.md (#17039)

* zh-translation:2017-10-00-Five-Days-Of-Kubernetes-18.md (#17229)

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* translate kubeadm-certs.md (#17090)

* update the Illegal comment such as : (<!--、<--) (#17266)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_etcd-ca.md (#17268)

* update zh /docs/concepts/architecture/cloud-controller.md (#17263)

* update zh /docs/concepts/cluster-administration/logging.md (#17247)

* modify the show of zh translation /concepts/overview/what-is-kubernetes.md /reference/setup-tools/kubeadm/generated/kubeadm_init.md  /reference/setup-tools/kubeadm/kubeadm-init.md (#17246)

* zh-translation:kubeadm_init_phase_control-plane_all.md (#17243)

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* zh-translation:kubeadm_join_phase_control-plane-join_etcd.md (#17236)

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* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubelet-start.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_upload-certs.md (#17230)

* add content/zh/docs/reference/glossary/container-runtime.md file fix-up to pass the ci and trans content/zh/docs/reference/glossary/container-runtime.md、content/zh/docs/concepts/overview/components.md (#17211)

* zh-translation:mirror-pod.md (#17231)

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* zh-translation:kubeadm_init_phase_upload-config.md (#17238)

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* update zh /docs/concepts/workloads/pods/pod-overview.md (#17239)

* update the format of zh translation content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_reset.md content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade.md   content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_apply.md  content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_upgrade_plan.md  content/zh/docs/reference/setup-tools/kubeadm/kubeadm-config.md  content/zh/docs/reference/setup-tools/kubeadm/kubeadm-reset.md  content/zh/docs/reference/setup-tools/kubeadm/kubeadm-token.md  content/zh/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md (#17248)

* Create advanced.md (#17256)

* Create advanced.md

* trans the advanced.md and fix the build bugs

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_control-plane.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_control-plane_scheduler.md (#17269)

* zh-translation:kubelet-integration.md (#17272)

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* pr_release-1.16_out-of-resource (#17199)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_front-proxy-ca.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_control-plane_controller-manager.md (#17267)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_etcd-peer.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig_admin.md (#17271)

* pr_release-1.16_ext-admission-ctl (#17196)

* update zh translation /docs/contribute/advanced.md (#17042)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_apiserver-etcd-client.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_ca.md (#17275)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_config_print.md update zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_config.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_config_print_init-defaults.md (#17282)

* add zh trans  content/zh/docs/reference/setup-tools/kubeadm/generated… (#17287)

* add zh trans  content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_etcd.md content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_upload-config_all.md update zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_control-plane.md

* Update kubeadm_init_phase_etcd.md

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/… (#17285)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_etcd-server.md content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubelet.md update zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_apiserver.md

* Update kubeadm_alpha_kubelet.md

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_all.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_addon.md fix-up bad comment kubeadm_alpha_certs_renew.md、kubeadm_alpha_certs_renew_apiserver-etcd-client.md、kubeadm_init_phase_addon_all.md (#17276)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/… (#17281)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_etcd_local.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_config_print_join-defaults.md

* Update kubeadm_init_phase_etcd_local.md

* zh trans update-daemon-set.md (#16872)

* zh trans update-daemon-set.md

* Update update-daemon-set.md

* managing-tls-in-a-cluster.md (#16874)

* update-api-object-kubectl-patch.md (#16875)

* improve the zh trans /kubeadm/generated/kubeadm_init_phase_.* 1 (#17295)

* improve the zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_config_.* (#17294)

* modify the zh translation content/zh/docs/reference/setup-tools/kubea… (#17293)

* modify the zh translation content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_.*

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* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig_all.md and content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_preflight.md (#17280)

* add zh /docs/reference/glossary/cgroup.md (#17291)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubelet_config.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_apiserver-kubelet-client.md (#17288)

* improve zh trans of command in /kubeadm/generated/kubeadm_init_phase_.* files (#17297)

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* update zh trans in /kubeadm/generated/kubeadm_.* files (#17306)

* add zh trans /reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_etcd-healthcheck-client.md、/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_etcd-peer.md、/reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubeconfig.md (#17308)

* Improve previously translated documents (#17327)

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* zh-trans: docs/setup/production-environment/turnkey/aws.md (#17320)

* Update zh.toml

* update zh trans /generated/kubeadm_join_phase_.* files (#17301)

* Update zh.toml

* add zh /docs/reference/glossary/pod-disruption-budget.md (#17344)

* pr_release-1.16_config-aggregation-layer (#17197)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_controller-manager.conf.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_scheduler.conf.md (#17390)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig_scheduler.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-prepare_control-plane.md (#17381)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_apiserver-kubelet-client.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_control-plane-join_mark-control-plane.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_kubelet-start.md (#17380)

* add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_addon_coredns.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_bootstrap-token.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_apiserver.md (#17383)

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* pr_release-1.16_api-overview (#17444)

* pr_release-1.16_daemonset (#17435)

* pr_release-1.16_gc (#17445)

* pr_release-1.16_qos-class (#17442)

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* pr_release-1.16-abac (#17427)

* zh-trans:docs/setup/production-environment/turnkey/alibaba-cloud.md (#17345)

* pr_release-1.16_endpoint-slice (#17468)

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* pr_release-1.16_app-container (#17466)

* add zh-trans content/zh/docs/setup/_index.md、content/zh/docs/setup/release/_index.md (#17503)

* pr-release-1.16_enabling-endpoint-slices (#17504)

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* add content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig_kubelet.md

* pr-release-1.16_logging (#17491)

* pr-release-1.16_cri (#17486)

* add zh-trans:docs/setup/production-environment/turnkey/azure.md (#17482)

* pattern translate into 模式 (#17485)

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* pr-release-1.16_extensions (#17492)

* pr-release-1.16_toleration (#17493)

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This reverts commit 1134c14e0a39bdc3d1a920ac9797139a6dcccf4b.

* motidy extensions in content/zh/docs/reference/glossary/extensions (#17524)

* motidy toleration in content/zh/docs/reference/glossary/toleration.md (#17523)

* motidy toleration in content/zh/docs/reference/glossary/toleration.md

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* Broken Link (#17546)

Issue available at https://kubernetes.io/zh/docs/concepts/containers/runtime-class/
and introduced by original English documentation (see #17543)

* Update trans kubeadm_upgrade_plan.md (#17395)

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update zh-trans of define-command-argument-container.md

Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn>

Add back the Original English

Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn>

update title of define-command-argument-container.md

Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn>

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update reference of define-command-argument-container.md

Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn>

* ZH-trans: fix multiple jump links and update files (#17603)

* ZH-trans: fix multiple jump links and update files

* Update _index.html

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* fix-up content/zh/docs/concepts/architecture/nodes.md

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* Update container-runtimes.md

* Translate /docs/concepts/workloads/controllers/ttlafterfinished.md into Chinese (#17791)

* Translate /docs/concepts/cluster-administration/cloud-providers.md into Chinese

* Translate /docs/concepts/workloads/controllers/ttlafterfinished.md into Chinese

* Sorry, wrong commit, roll back...

* Translate /docs/concepts/workloads/controllers/ttlafterfinished.md

* Translate /docs/concepts/workloads/controllers/ttlafterfinished.md into Chinese

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* Create trans kubeadm_upgrade_diff.md (#17392)

* Update kubeadm_upgrade_diff.md

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* Create _index.md (#17831)

* zh-trans zh-trans-/docs/reference/command-line-tools-reference/feature-gates.md (#17658)

* Update volume-snapshots.md (#17829)

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* Create ovirt.md (#17849)

* Create ovirt.md

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* Translate /docs/concepts/cluster-administration/cloud-providers.md into Chinese (#17761)

* Translate /docs/concepts/cluster-administration/cloud-providers.md into Chinese

* Translate /docs/concepts/workloads/controllers/ttlafterfinished.md into Chinese

* Sorry, wrong commit, roll back...

* Update translation after tengqm's review.

* Update cloud-providers.md

* Update dual-stack.md (#17836)

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* Create validate-dual-stack.md (#17833)

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* translation content/zh/docs/reference/setup-tools/kubeadm/ kubeadm-join-phase、kubeadm-reset-phase (#17881)

* zh-trans content/zh/docs/contribute/generate-ref-docs/contribute-upstream.md (#17882)

* Chinese translation /docs/tasks/administer-cluster/highly-available-master.md (#17884)

* Chinese translation /docs/tasks/administer-cluster/highly-available-master.md

* Apply suggestions from code review

Co-Authored-By: Qiming <tengqim@cn.ibm.com>

* Fix format issue (#17921)

* Create topology-manager.md (#17901)

* Create topology-manager.md

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* add zh-trans:docs/setup/production-environment/windows/user-guide-windows-containers.md (#17876)

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* Create dcos.md (#17932)

* Create dcos.md

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* zh-translation content/zh/docs/setup/production-environment/tools/kops.md (#17991)

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* Create self-hosting.md (#17950)

* Create resource-bin-packing.md (#17935)

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* Update config.toml(release-1.16) for 1.17

* Update config.toml

* Remove ru language

* Update the conflict and merge the two commits

* add nginx-deployment.yaml file

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title, content_template, weight
title content_template weight
使用工作队列进行粗粒度并行处理 templates/task 30

{{% capture overview %}}

本例中,我们会运行包含多个并行工作进程的 Kubernetes Job。

本例中,每个 Pod 一旦被创建,会立即从任务队列中取走一个工作单元并完成它,然后将工作单元从队列中删除后再退出。

下面是本次示例的主要步骤:

  1. 启动一个消息队列服务 本例中,我们使用 RabbitMQ,你也可以用其他的消息队列服务。在实际工作环境中,你可以创建一次消息队列服务然后在多个任务中重复使用。

  2. 创建一个队列,放上消息数据 每个消息表示一个要执行的任务。本例中,每个消息是一个整数值。我们将基于这个整数值执行很长的计算操作。

  3. 启动一个在队列中执行这些任务的 Job。该 Job 启动多个 Pod。每个 Pod 从消息队列中取走一个任务,处理它,然后重复执行,直到队列的队尾。

{{% /capture %}}

{{% capture prerequisites %}}

要熟悉 Job 基本用法(非并行的),请参考 Job

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

{{% /capture %}}

{{% capture steps %}}

启动消息队列服务

本例使用了 RabbitMQ,使用其他 AMQP 类型的消息服务应该比较容易。

在实际工作中,在集群中一次性部署某个消息队列服务,之后在很多 Job 中复用,包括需要长期运行的服务。

按下面的方法启动 RabbitMQ

$ kubectl create -f https://raw.githubusercontent.com/kubernetes/kubernetes/release-1.3/examples/celery-rabbitmq/rabbitmq-service.yaml
service "rabbitmq-service" created
$ kubectl create -f https://raw.githubusercontent.com/kubernetes/kubernetes/release-1.3/examples/celery-rabbitmq/rabbitmq-controller.yaml
replicationcontroller "rabbitmq-controller" created

我们仅用到 celery-rabbitmq 示例 中描述的部分功能。

测试消息队列服务

现在,我们可以试着访问消息队列。我们将会创建一个临时的可交互的 Pod,在它上面安装一些工具,然后用队列做实验。

首先创建一个临时的可交互的 Pod

# 创建一个临时的可交互的 Pod
$ kubectl run -i --tty temp --image ubuntu:14.04
Waiting for pod default/temp-loe07 to be running, status is Pending, pod ready: false
... [ previous line repeats several times .. hit return when it stops ] ...

请注意你的 Pod 名称和命令提示符将会不同。

接下来安装 amqp-tools ,这样我们就能用消息队列了。

# 安装一些工具
root@temp-loe07:/# apt-get update
.... [ lots of output ] ....
root@temp-loe07:/# apt-get install -y curl ca-certificates amqp-tools python dnsutils
.... [ lots of output ] ....

后续,我们将制作一个包含这些包的 Docker 镜像。

接着,我们将要验证我们发现 RabbitMQ 服务:

# 请注意 rabbitmq-service 有Kubernetes 提供的 DNS 名称,

root@temp-loe07:/# nslookup rabbitmq-service
Server:        10.0.0.10
Address:    10.0.0.10#53

Name:    rabbitmq-service.default.svc.cluster.local
Address: 10.0.147.152

# 你的 IP 地址将会发生变化。

如果 Kube-DNS 没有正确安装,上一步可能会出错。 你也可以在环境变量中找到服务 IP。

# env | grep RABBIT | grep HOST
RABBITMQ_SERVICE_SERVICE_HOST=10.0.147.152

# 你的 IP 地址将会发生变化。

接着我们将要确认可以创建队列,并能发布消息和消费消息。

# 下一行,rabbitmq-service 是访问 rabbitmq-service 的主机名。5672是 rabbitmq 的标准端口。

root@temp-loe07:/# export BROKER_URL=amqp://guest:guest@rabbitmq-service:5672

# 如果上一步中你不能解析 "rabbitmq-service",可以用下面的命令替换:
# root@temp-loe07:/# BROKER_URL=amqp://guest:guest@$RABBITMQ_SERVICE_SERVICE_HOST:5672

# 现在创建队列:

root@temp-loe07:/# /usr/bin/amqp-declare-queue --url=$BROKER_URL -q foo -d foo

# 向它推送一条消息:

root@temp-loe07:/# /usr/bin/amqp-publish --url=$BROKER_URL -r foo -p -b Hello

# 然后取回它.

root@temp-loe07:/# /usr/bin/amqp-consume --url=$BROKER_URL -q foo -c 1 cat && echo
Hello
root@temp-loe07:/#

最后一个命令中, amqp-consume 工具从队列中取走了一个消息,并把该消息传递给了随机命令的标准输出。在这种情况下,cat 只会打印它从标准输入或得的内容,echo 只会添加回车符以便示例可读。

为队列增加任务

现在让我们给队列增加一些任务。在我们的示例中,任务是多个待打印的字符串。

实践中,消息的内容可以是:

  • 待处理的文件名
  • 程序额外的参数
  • 数据库表的关键字范围
  • 模拟任务的配置参数
  • 待渲染的场景的帧序列号

本例中,如果有大量的数据需要被 Job 的所有 Pod 读取,典型的做法是把它们放在一个共享文件系统中,如NFS,并以只读的方式挂载到所有 Pod,或者 Pod 中的程序从类似 HDFS 的集群文件系统中读取。

例如,我们创建队列并使用 amqp 命令行工具向队列中填充消息。实践中,你可以写个程序来利用 amqp 客户端库来填充这些队列。

$ /usr/bin/amqp-declare-queue --url=$BROKER_URL -q job1  -d job1
$ for f in apple banana cherry date fig grape lemon melon 

do
  /usr/bin/amqp-publish --url=$BROKER_URL -r job1 -p -b $f
done

这样,我们给队列中填充了8个消息。

创建镜像

现在我们可以创建一个做为 Job 来运行的镜像。

我们将用 amqp-consume 来从队列中读取消息并实际运行我们的程序。这里给出一个非常简单的示例程序:

{{< codenew language="python" file="application/job/rabbitmq/worker.py" >}}

现在,编译镜像。如果你在用源代码树,那么切换到目录 examples/job/work-queue-1。否则的话,创建一个临时目录,切换到这个目录。下载 Dockerfile,和 worker.py。无论哪种情况,都可以用下面的命令编译镜像

$ docker build -t job-wq-1 .

对于 Docker Hub, 给你的应用镜像打上标签,标签为你的用户名,然后用下面的命令推送到 Hub。用你的 Hub 用户名替换 <username>

docker tag job-wq-1 <username>/job-wq-1
docker push <username>/job-wq-1

如果你在用谷歌容器仓库,用你的项目 ID 作为标签打到你的应用镜像上,然后推送到 GCR。用你的项目 ID 替换 <project>

docker tag job-wq-1 gcr.io/<project>/job-wq-1
gcloud docker -- push gcr.io/<project>/job-wq-1

定义 Job

这里给出一个 Job 定义 yaml文件。你需要拷贝一份并编辑镜像以匹配你使用的名称,保存为 ./job.yaml

{{< codenew file="application/job/rabbitmq/job.yaml" >}}

本例中,每个 Pod 使用队列中的一个消息然后退出。这样,Job 的完成计数就代表了完成的工作项的数量。本例中我们设置 .spec.completions: 8,因为我们放了8项内容在队列中。

运行 Job

现在我们运行 Job

kubectl create -f ./job.yaml

稍等片刻,然后检查 Job。

$ kubectl describe jobs/job-wq-1
Name:             job-wq-1
Namespace:        default
Selector:         controller-uid=41d75705-92df-11e7-b85e-fa163ee3c11f
Labels:           controller-uid=41d75705-92df-11e7-b85e-fa163ee3c11f
                  job-name=job-wq-1
Annotations:      <none>
Parallelism:      2
Completions:      8
Start Time:       Wed, 06 Sep 2017 16:42:02 +0800
Pods Statuses:    0 Running / 8 Succeeded / 0 Failed
Pod Template:
  Labels:       controller-uid=41d75705-92df-11e7-b85e-fa163ee3c11f
                job-name=job-wq-1
  Containers:
   c:
    Image:      gcr.io/causal-jigsaw-637/job-wq-1
    Port:
    Environment:
      BROKER_URL:       amqp://guest:guest@rabbitmq-service:5672
      QUEUE:            job1
    Mounts:             <none>
  Volumes:              <none>
Events:
  FirstSeen  LastSeen   Count    From    SubobjectPath    Type      Reason              Message
  ─────────  ────────   ─────    ────    ─────────────    ──────    ──────              ───────
  27s        27s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-hcobb
  27s        27s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-weytj
  27s        27s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-qaam5
  27s        27s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-b67sr
  26s        26s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-xe5hj
  15s        15s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-w2zqe
  14s        14s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-d6ppa
  14s        14s        1        {job }                   Normal    SuccessfulCreate    Created pod: job-wq-1-p17e0

我们所有的 Pod 都成功了。耶!

{{% /capture %}}

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替代方案

本文所讲述的处理方法的好处是你不需要修改你的 "worker" 程序使其知道工作队列的存在。

本文所描述的方法需要你运行一个消息队列服务。如果不方便运行消息队列服务,你也许会考虑另外一种任务模式

本文所述的方法为每个工作项创建了一个 Pod。如果你的工作项仅需数秒钟,为每个工作项创建 Pod会增加很多的常规消耗。可以考虑另外的方案请参考示例,这种方案可以实现每个 Pod 执行多个工作项。

示例中,我们使用 amqp-consume 从消息队列读取消息并执行我们真正的程序。这样的好处是你不需要修改你的程序使其知道队列的存在。要了解怎样使用客户端库和工作队列通信,请参考不同的示例

友情提醒

如果设置的完成数量小于队列中的消息数量,会导致一部分消息项不会被执行。

如果设置的完成数量大于队列中的消息数量,当队列中所有的消息都处理完成后,Job 也会显示为未完成。Job 将创建 Pod 并阻塞等待消息输入。

当发生下面两种情况时,即使队列中所有的消息都处理完了,Job 也不会显示为完成状态:

  • 在 amqp-consume 命令拿到消息和容器成功退出之间的时间段内,执行杀死容器操作;
  • 在 kubelet 向 api-server 传回 Pod 成功运行之前,发生节点崩溃。

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