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* ZH-trans: Update coarse-parallel-processing-work-queue.md (#11862) * ZH-trans: Update coarse-parallel-processing-work-queue.md * Update coarse-parallel-processing-work-queue.md * zh-trans: add /docs/concepts/architecture/cloud-controller.md (#11799) * docs/concepts/architecture/cloud-controller.md * docs/concepts/architecture/cloud-controller.md * docs/concepts/architecture/cloud-controller.md * fix * fix * fix * zh-trans: /docs/contribute/style/kubernetes-components.md (#11838) Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> zh-trans: /docs/contribute/generate-ref-docs/kubernetes-components.md; update Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> * Update weave-network-policy.md (#11858) * ZH-trans: add Update define-environment-variable-container.md (#11859) * Update define-environment-variable-container.md * Update define-environment-variable-container.md * Update define-environment-variable-container.md * Update define-environment-variable-container.md * Update define-environment-variable-container.md * Update fine-parallel-processing-work-queue.md (#11863) * Update fine-parallel-processing-work-queue.md * Update fine-parallel-processing-work-queue.md * Update setup-extension-api-server.md (#11864) * zh-trans: add / docs/reference/setup-tools/kubeadm/kubeadm-join.md (#11798) * zh-trans: add / docs/reference/setup-tools/kubeadm/kubeadm-join.md zh-trans: add / docs/reference/setup-tools/kubeadm/kubeadm-join.md * Update kubeadm-join.md * Create kubeadm_join.md * zh-trans: update docs/concepts/containers/images.md (#11877) * zh-trans: update docs/concepts/containers/images.md * zh-trans: update docs/concepts/containers/images.md * Update kubeadm_alpha_phase_controlplane.md (#11878) * 更新第 115 行翻译 * zh_trans: kubeadm_token_generate.md (#11884) * zh_trans: kubeadm_token_generate.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_token_generate.md * Better translation Better translation * zh-trans: add /docs/tasks/configure-pod-container/configure-pod-initialization.md (#11886) zh-trans: add /docs/tasks/configure-pod-container/configure-pod-initialization.md * zh-trans:add content/zh/docs/reference/issues-security (#11890) * zh-trans: add content/zh/docs/tutorials/online-training/overview.md (#11892) * zh_trans: kubeadm_token_delete.md (#11883) * zh_trans: kubeadm_token_delete.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_token_create.md * fix tpye error fix tpye error * Better translation Better translation * zh_trans: independent/create-cluster-kubeadm.md (#11882) * zh_trans: independent/create-cluster-kubeadm.md zh_trans: docs/setup/independent/create-cluster-kubeadm.md * fix word style error * fix type error * better zhtran better zhtran * fix "Create" -> "create" fix "Create" -> "create" * zh-trans: add docs/concepts/storage/storage-classes.md (#11788) * ZH-trans: fixing formatting errors (#11661) * ZH-trans: fixing formatting errors * Update ZH-trans: fixing formatting errors storage-classes zh part 1 * storage-classes zh trans * fix typo update trans for provisioner & fix typo * fix typo * 根据校对更新翻译 * zh_trans: kubeadm-token.md (#11898) zh_trans: /docs/reference/setup-tools/kubeadm/kubeadm-token.md * zh-trans: add /docs/tasks/configure-pod-container/quality-service-pod.md (#11900) * zh-trans: add /docs/tasks/configure-pod-container/quality-service-pod.md zh-trans: add /docs/tasks/configure-pod-container/quality-service-pod.md * Update quality-service-pod.md * zh_trans: kubeadm_alpha_phase_bootstrap-token_node.md (#11897) zh_trans: Path:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_bootstrap-token_node.md * zh-trans: add /docs/concepts/storage/volumes.md (#11767) * zh-trans: add /docs/concepts/storage/volumes.md zh-trans: add /docs/concepts/storage/volumes.md * Update volumes.md * Update volumes.md * self-review * Update volumes.md * fix docs format error (#11934) fix docs format error of https://v1-12.docs.kubernetes.io/zh/docs/reference/setup-tools/kubeadm/kubeadm-join/ * Update cloud-controller.md (#11922) * zh-trans: /docs/reference/glossary/approver.md (#11924) zh-trans: /docs/reference/glossary/approver.md * zh-trans: add docs/setup/on-premises-vm/dcos.md (#11891) * zh-trans: add docs/setup/on-premises-vm/dcos.md * Update content/zh/docs/setup/on-premises-vm/dcos.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: /docs/tasks/configure-pod-container/configure-persistent-vo… (#11915) * zh-trans: /docs/tasks/configure-pod-container/configure-persistent-volume-storage.md zh-trans: /docs/tasks/configure-pod-container/configure-persistent-volume-storage.md * Update configure-persistent-volume-storage.md * zh_trans: kubeadm_alpha.md (#11902) * zh_trans: kubeadm_alpha.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha.md * Better translation Better translation * zh-trans: /docs/reference/glossary/downstream.md (#11931) * zh-trans: /docs/reference/glossary/downstream.md zh-trans: /docs/reference/glossary/downstream.md * Update downstream.md * Update downstream.md * ZH-trans: Update install-kubeadm.md (#11955) * fix typo of install-kubeadm.md fix typo of install-kubeadm.md * Update install-kubeadm.md * zh-trans: add kubeadm/generated/kubeadm_alpha_phase_certs_renew_all.md (#11952) * zh-trans: add /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_renew_all.md zh-trans: add /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_renew_all.md * Update kubeadm_alpha_phase_certs_renew_all.md * renew 的翻译更新为续期 * zh-trans:kubeadm/generated/kubeadm_alpha_phase_certs_renew_etcd-peer.md (#11953) * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_renew_etcd-peer.md /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_renew_etcd-peer.md * Update kubeadm_alpha_phase_certs_renew_etcd-peer.md * zh-trans: /docs/contribute/generate-ref-docs/kubectl.md (#11941) Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> * fix docs format error (#11936) fix docs format error of https://v1-12.docs.kubernetes.io/zh/docs/reference/setup-tools/kubeadm/kubeadm-config/ * Update pull request (#11921) * Update pull request (#11960) * ZH-trans: add kubefed-options.md (#11956) * Update ZH-trans: add kubefed-options.md * Update kubefed-options.md * ZH-trans: add generated/... (#11880) * Update pull request * Update kubeadm_alpha_phase_certs_renew.md * Update pull request (#11881) * ZH-trans: add generated/... (#11879) * Update pull request * Resolving file conflicts * zh-trans: add zh/ docs/tasks/configure-pod-container/configure-servic… (#11889) * zh-trans: add zh/ docs/tasks/configure-pod-container/configure-service-account.md zh-trans: add zh/ docs/tasks/configure-pod-container/configure-service-account.md * Update configure-service-account.md * Update configure-service-account.md * zh-trans: update docs/concepts/cluster-administration/kubelet-garbage-collection.md (#11875) * zh-trans: update docs/concepts/cluster-administration/kubelet-garbage-collection.md * zh-trans: update docs/concepts/cluster-administration/kubelet-garbage-collection.md * zh-trans:update kubelet-garbage-collection.md * zh_trans: kubeadm_alpha_phase_kubeconfig_user.md (#11901) * zh_trans: kubeadm_alpha_phase_kubeconfig_user.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_kubeconfig_user.md * Better translation * zh-trans:add docs/reference/using-api/client-libraries.md (#11958) * zh-trans:add docs/reference/using-api/client-libraries.md * Update content/zh/docs/reference/using-api/client-libraries.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: add pull-image-private-registry.md (#11912) * zh-trans: add pull-image-private-registry.md zh-trans: add pull-image-private-registry.md * Update pull-image-private-registry.md * Update pull-image-private-registry.md * ZH-trans: add kubeadm_alpha_phase_kubelet_config_annotate-cri.md (#11972) * Create kubeadm_alpha_phase_kubelet_config_annotate-cri.md * Update kubeadm_alpha_phase_kubelet_config_annotate-cri.md * ZH-trans: add kubeadm_alpha_phase_kubelet_config.md (#11974) * Create kubeadm_alpha_phase_kubelet_config.md * Update kubeadm_alpha_phase_kubelet_config.md * fix Typo "##" -> "## " (#12011) * fix Typo "##" -> "## " fix Typo "##" -> "## " * update basic-stateful-set.md * fix web style error (#12010) fix web style error * Create kubeadm_alpha_phase_selfhosting.md (#12006) * Create kubeadm_alpha_phase_controlplane_apiserver.md (#12005) * zh-trans:/docs/tasks/debug-application-cluster/resource-usage-monitor… (#11995) * zh-trans:/docs/tasks/debug-application-cluster/resource-usage-monitoring.md zh-trans:/docs/tasks/debug-application-cluster/resource-usage-monitoring.md * Update resource-usage-monitoring.md * Update resource-usage-monitoring.md * zh-trans:/docs/tasks/debug-application-cluster/core-metrics-pipeline.md (#11990) zh-trans:/docs/tasks/debug-application-cluster/core-metrics-pipeline.md * zh-trans:/docs/tasks/debug-application-cluster/troubleshooting.md (#11989) zh-trans:/docs/tasks/debug-application-cluster/troubleshooting.md * Create kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md (#11969) * Create kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md * Update kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md * zh-trans: /docs/tasks/debug-application-cluster/debug-init-containers.md (#11962) * zh-trans: /docs/tasks/debug-application-cluster/debug-init-containers.md zh-trans: /docs/tasks/debug-application-cluster/debug-init-containers.md * Update debug-init-containers.md * zh-trans: docs/reference/glossary/horizontal-pod-autoscaler.md (#11930) * zh-trans: docs/reference/glossary/horizontal-pod-autoscaler.md zh-trans: docs/reference/glossary/horizontal-pod-autoscaler.md * Update horizontal-pod-autoscaler.md * zh-trans: add /docs/tasks/configure-pod-container/configure-projected… (#11911) * zh-trans: add /docs/tasks/configure-pod-container/configure-projected-volume-storage.md zh-trans: add /docs/tasks/configure-pod-container/configure-projected-volume-storage.md * Update configure-projected-volume-storage.md * Update configure-projected-volume-storage.md * zh-trans: /docs/tasks/configure-pod-container/extended-resource.md (#11918) * zh-trans: /docs/tasks/configure-pod-container/extended-resource.md zh-trans: /docs/tasks/configure-pod-container/extended-resource.md * Update extended-resource.md * Update extended-resource.md * zh-trans: add translate-compose-kubernetes.md (#11910) * zh-trans: add translate-compose-kubernetes.md zh-trans: add translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * Update translate-compose-kubernetes.md * zh-trans: zh/docs/reference/glossary/flexvolume.md (#11925) * zh-trans: zh/docs/reference/glossary/flexvolume.md zh-trans: zh/docs/reference/glossary/flexvolume.md * Update flexvolume.md * zh_trans: kubeadm_alpha_phase_bootstrap-token_create.md (#11947) * zh_trans: kubeadm_alpha_phase_bootstrap-token_create.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_bootstrap-token_create.md * better translation better translation * zh-trans:add docs/setup/turnkey/alibaba-cloud.md (#11959) * zh_trans: kubeadm_completion.md (#11895) * zh_trans: kubeadm_completion.md zh_trans: /docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_bootstrap-token_node.md * Better translation Better translation * Update kubeadm_completion.md * better translation better translation * zh-trans: add /zh/ docs/tasks/debug-application-cluster/crictl.md (#11961) * zh-trans: add /zh/ docs/tasks/debug-application-cluster/crictl.md zh-trans: add /zh/ docs/tasks/debug-application-cluster/crictl.md * Update crictl.md * ZH-trans: add kubeadm_alpha_phase_certs_front-proxy-ca.md (#11968) * ZH-trans: add kubeadm_alpha_phase_controlplane_all.md (#11970) * Create kubeadm_alpha_phase_controlplane_all.md * Update kubeadm_alpha_phase_controlplane_all.md * Update kubeadm_alpha_phase_controlplane_all.md * Update kubeadm_alpha_phase_controlplane_all.md * ZH-trans: add kubeadm_alpha_phase_upload-config.md (#11971) * Create kubeadm_alpha_phase_upload-config.md * Update kubeadm_alpha_phase_upload-config.md * Update kubeadm_alpha_phase_upload-config.md * ZH-trans: Fixed some incorrect translations (#11973) * zh-trans: /docs/tasks/debug-application-cluster/determine-reason-pod-… (#11977) * zh-trans: /docs/tasks/debug-application-cluster/determine-reason-pod-failure.md zh-trans: /docs/tasks/debug-application-cluster/determine-reason-pod-failure.md * Update determine-reason-pod-failure.md * zh-trans: /docs/tasks/debug-application-cluster/local-debugging.md (#11988) * zh-trans: /docs/tasks/debug-application-cluster/local-debugging.md zh-trans: /docs/tasks/debug-application-cluster/local-debugging.md * Update local-debugging.md * zh-trans:/docs/tasks/debug-application-cluster/events-stackdriver.md (#11996) zh-trans:/docs/tasks/debug-application-cluster/events-stackdriver.md * zh-trans:/docs/tasks/debug-application-cluster/get-shell-running-cont… (#11998) * zh-trans:/docs/tasks/debug-application-cluster/get-shell-running-container.md zh-trans:/docs/tasks/debug-application-cluster/get-shell-running-container.md * Update get-shell-running-container.md * zh-trans:/docs/tasks/debug-application-cluster/logging-elasticsearch-kibana.md (#12001) zh-trans:/docs/tasks/debug-application-cluster/logging-elasticsearch-kibana.md * ZH-trans: ad kubeadm_alpha_phase_kubelet_config_write-to-disk.md (#12004) * Create kubeadm_alpha_phase_kubelet_config_write-to-disk.md * Update kubeadm_alpha_phase_kubelet_config_write-to-disk.md * Remove old-generated kubefed docs (generated on 25-march-2018) (#12093) * Update _index.md (#12061) * Update kubeadm_reset.md (#12047) * ZH-trasn: add kubeadm_alpha_phase_kubeconfig_controller-manager.md (#12032) * Create kubeadm_alpha_phase_kubeconfig_controller-manager.md * Update kubeadm_alpha_phase_kubeconfig_controller-manager.md * ZH-trans: add kubeadm_alpha_phase_preflight_node.md (#12035) * Create kubeadm_alpha_phase_preflight_node.md * Update kubeadm_alpha_phase_preflight_node.md * Update kubeadm_alpha_phase_preflight_node.md * ZH-trans: add kubeadm_alpha_phase_controlplane_scheduler.md (#12031) * Create kubeadm_alpha_phase_controlplane_scheduler.md * Update kubeadm_alpha_phase_controlplane_scheduler.md * ZH-trans: add kubeadm_alpha_phase_bootstrap-token_node_allow-post-csrs.md (#12039) * Create kubeadm_alpha_phase_bootstrap-token_node_allow-post-csrs.md * Update kubeadm_alpha_phase_bootstrap-token_node_allow-post-csrs.md * ZH-trans: add kubeadm_alpha_phase_kubelet_write-env-file.md (#12034) * Create kubeadm_alpha_phase_kubelet_write-env-file.md * Update kubeadm_alpha_phase_kubelet_write-env-file.md * ZH-trans: add kubeadm_upgrade_node_experimental-control-plane.md (#12036) * Create kubeadm_upgrade_node_experimental-control-plane.md * Update kubeadm_upgrade_node_experimental-control-plane.md * Create kubeadm_alpha_phase_bootstrap-token_node_allow-auto-approve.md (#12038) * Create kubeadm_alpha_phase_etcd.md (#12040) * ZH-trans: add kubeadm_alpha_phase_certs_renew_etcd-server.md (#12041) * Create kubeadm_alpha_phase_certs_renew_etcd-server.md * Update kubeadm_alpha_phase_certs_renew_etcd-server.md * Update advanced.md (#12044) * ZH-trans: add kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md (#12042) * Create kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md * Update kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md * Update kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md * Update kubeadm_version.md (#12046) * Update _index.md (#12063) * zh-trans:/docs/reference/setup-tools/kubefed/kubefed_version.md (#12085) zh-trans:/docs/reference/setup-tools/kubefed/kubefed_version.md * ZH-trans: add kubeadm_alpha_phase_certs_etcd-peer.md (#12037) * Create kubeadm_alpha_phase_certs_etcd-peer.md * Update kubeadm_alpha_phase_certs_etcd-peer.md * Update kubeadm_alpha_phase_certs_etcd-peer.md * ZH-trans: add kubeadm_alpha_phase_kubelet_config_download.md (#12033) * Create kubeadm_alpha_phase_kubelet_config_download.md * Update kubeadm_alpha_phase_kubelet_config_download.md * zh-trans: add docs/tasks/access-application-cluster/_index.md (#12048) * zh-trans: update cpu-constraint-namespace.md and cpu-default-namespace.md (#12106) * ZH-trans: update kubeadm_alpha_phase_upload-config.md (#12110) * zh-tran: /docs/reference/setup-tools/kubefed/kubefed_unjoin.md (#12022) * zh-tran: /docs/reference/setup-tools/kubefed/kubefed_unjoin.md zh-tran: /docs/reference/setup-tools/kubefed/kubefed_unjoin.md * Update kubefed_unjoin.md * Update kubefed_unjoin.md * Update kubefed_unjoin.md * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_… (#12114) * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_apiserver.md zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_certs_apiserver.md * Update kubeadm_alpha_phase_certs_apiserver.md * Update kubeadm_alpha_phase_certs_apiserver.md * zh-trans:/docs/reference/kubectl/docker-cli-to-kubectl.md (#12088) * zh-trans:/docs/reference/kubectl/docker-cli-to-kubectl.md zh-trans:/docs/reference/kubectl/docker-cli-to-kubectl.md * Update docker-cli-to-kubectl.md * zh-trans: /docs/reference/kubectl/conventions.md (#12089) * zh-trans: /docs/reference/kubectl/conventions.md zh-trans: /docs/reference/kubectl/conventions.md * Update conventions.md * zh-trans organize-cluster-access-kubeconfig.md (#12094) * zh-trans:/docs/reference/setup-tools/kubefed/kubefed.md (#12086) * zh-trans:/docs/reference/setup-tools/kubefed/kubefed.md zh-trans:/docs/reference/setup-tools/kubefed/kubefed.md * Update kubefed.md * zh-trans:/docs/reference/setup-tools/kubefed/kubefed_join.md (#12029) * zh-trans:/docs/reference/setup-tools/kubefed/kubefed_join.md zh-trans:/docs/reference/setup-tools/kubefed/kubefed_join.md * Update kubefed_join.md * Update kubefed_join.md * zh-trans: /docs/reference/setup-tools/kubefed/kubefed_init.md (#12020) * zh-trans: /docs/reference/setup-tools/kubefed/kubefed_init.md zh-trans: /docs/reference/setup-tools/kubefed/kubefed_init.md * Update kubefed_init.md * Update kubefed_init.md * Update kubefed_init.md * zh-trans: add docs/setup/independent/control-plane-flags.md (#12043) * zh-trans: add docs/setup/independent/control-plane-flags.md * update content/zh/docs/setup/independent/control-plane-flags.md * zh-trans:/docs/tasks/tools/install-kubectl.md (#11992) * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * Update configure-aggregation-layer.md * . * . * . * . * . * . * . * . * configure-aggregation-layer.md * . * . * Update configure-aggregation-layer.md * . * . * . * . * zh-trans: add /docs/concepts/cluster-administration/manage-deployment.md (#11899) * add /docs/concepts/cluster-administration/manage-deployment.md * 更新部分翻译,去除多余的反引号 * 更新部分翻译 * zh-trans: add docs/tasks/service-catalog/install-service-catalog-using-sc.md (#12045) * zh-trans: add docs/tasks/service-catalog/install-service-catalog-using-sc.md * update docs/tasks/service-catalog/install-service-catalog-using-sc.md * zh-trans:/docs/reference/setup-tools/kubefed/kubefed_options.md (#12087) * zh-trans:/docs/reference/setup-tools/kubefed/kubefed_options.md zh-trans:/docs/reference/setup-tools/kubefed/kubefed_options.md * Update kubefed_options.md * Update kubefed_options.md * zh-trans: Fix some blog links issue (#12115) * zh-trans: Fix some blog links issue * Revert the space change * update Set Kubelet parameters via a config file (#12150) * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_kubeconfig_all.md (#12185) zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_kubeconfig_all.md * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_… (#12184) * zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_etcd_local.md zh-trans:/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_phase_etcd_local.md * Update kubeadm_alpha_phase_etcd_local.md * zh-trans: kubeadm/generated/kubeadm_alpha_phase_kubelet_config_upload.md (#12130) zh-trans: kubeadm/generated/kubeadm_alpha_phase_kubelet_config_upload.md * zh-trans: kubeadm/generated/kubeadm_alpha_phase_kubeconfig_admin.md (#12131) zh-trans: kubeadm/generated/kubeadm_alpha_phase_kubeconfig_admin.md * zh-trans: /docs/contribute/generate-ref-docs/kubernetes-api.md (#12141) Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> * zh-trans:/docs/concepts/overview/object-management-kubectl/imperative… (#12151) * zh-trans:/docs/concepts/overview/object-management-kubectl/imperative-config.md zh-trans:/docs/concepts/overview/object-management-kubectl/imperative-config.md * Update imperative-config.md * ZH-trans: added a blog post Chinese translation: 2018-05-01-developing-on-kubernetes.md (#12009) * added a blog post chinese translation * Update 2018-05-01-developing-on-kubernetes.md apply some suggested changes per review comments * Update 2018-05-01-developing-on-kubernetes.md cont to review and improve the wording, up to squash * more update and rewording * ZH-trans: add kubeadm_alpha_phase_kubelet_config_enable-dynamic.md (#12209) * ZH-trans: add kubeadm_alpha_phase_kubelet_config_enable-dynamic.md * Update kubeadm_alpha_phase_kubelet_config_enable-dynamic.md * ZH-trans: add kubeadm_alpha_phase_certs_renew_apiserver.md (#12210) * ZH-trans: add kubeadm_alpha_phase_certs_renew_apiserver.md * Update kubeadm_alpha_phase_certs_renew_apiserver.md * Update kubeadm_alpha_phase_certs_renew_apiserver.md * ZH-trans: add kubeadm_alpha_phase_certs_front-proxy-client.md (#12212) * fix docs style (#12225) * fix docs style fix docs style * fix docs style fix docs style * ZH-trans: add rbac.md (#12263) * ZH-trans: add rbac.md * Update rbac.md * ZH-trans: add persistent-volume-claim.md (#12264) * ZH-trans: add persistent-volume-claim.md * Update persistent-volume-claim.md * Update persistent-volume-claim.md * Update docker-cli-to-kubectl.md (#12288) * ZH-trans: add kubeadm_alpha_phase_selfhosting_convert-from-staticpods.md (#12285) * ZH-trans: add kubeadm_alpha_phase_selfhosting_convert-from-staticpods.md * Update kubeadm_alpha_phase_selfhosting_convert-from-staticpods.md * ZH-trans: add coredns.md (#12282) * ZH-trans: add coredns.md * Update coredns.md * ZH-trans: add kubeadm_alpha_phase_certs_etcd-healthcheck-client.md (#12286) * ZH-trans: add kubeadm_alpha_phase_certs_etcd-healthcheck-client.md * Update kubeadm_alpha_phase_certs_etcd-healthcheck-client.md * ZH-trans: add kubeadm_alpha_phase_kubeconfig_kubelet.md (#12284) * ZH-trans: add kubeadm_alpha_phase_kubeconfig_kubelet.md * Update kubeadm_alpha_phase_kubeconfig_kubelet.md * ZH-trans: add service-account.md (#12261) * ZH-trans: add service-account.md * Update service-account.md * ZH-trans: add security-context.md (#12262) * ZH-trans: add security-context.md * Update security-context.md * Update security-context.md * Update security-context.md * fix typo "_必须_" -> "必须" (#12300) fix typo "_必须_" -> "必须" * fix docs style error (#12307) fix docs style error * Create explore-interactive.html (#12311) * fix docs style error (#12314) fix docs style error * ZH-trans: add kube-controller-manager.md (#12260) * ZH-trans: add kube-controller-manager.md * Update kube-controller-manager.md * Update kube-controller-manager.md * Update kube-controller-manager.md * zh-trans: /docs/contribute/localization.md (#12295) Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> zh-trans: /docs/contribute/localization.md; update Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> zh-trans: /docs/contribute/localization.md; update2 Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> * ZH-trans: update tools.md (#12320) ZH-trans: update tools.md * ZH-trans: fix "kubead -config" -> "kubeadm-config" (#12319) * ZH-trans: update kubeadm_config.md * fix style error * correct "availability” trans for chinese (#12394) * ZH-trans:/docs/tasks/debug-application-cluster/debug-service.md (#12275) * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * Update configure-aggregation-layer.md * . * . * . * . * . * . * . * . * configure-aggregation-layer.md * . * . * Update configure-aggregation-layer.md * . * . * . * . * . * . * . * . * Translate some remnant partials for localization (#12240) * zh-trans: /docs/tasks/administer-cluster/limit-storage-consumption.md (#12415) * zh-trans: /docs/tasks/administer-cluster/limit-storage-consumption.md zh-trans: /docs/tasks/administer-cluster/limit-storage-consumption.md * Update limit-storage-consumption.md * Update limit-storage-consumption.md * update link to SSH tunneling (#12615) Signed-off-by: PingWang <wang.ping5@zte.com.cn> * zh-trans: update content/zh/docs/setup/certificates.md (#12620) * ZH-trans: add kubeadm_alpha_phase_certs_apiserver-kubelet-client.md (#12619) * ZH-trans: add kubeadm_alpha_phase_certs_apiserver-kubelet-client.md * Update kubeadm_alpha_phase_certs_apiserver-kubelet-client.md * zh-trans: node-conformance.md (#12356) * zh-trans: node-conformance.md zh-trans: node-conformance.md * better translation better translation * zh-trans: translate docs/getting-started-guides/ubuntu/operational-co… (#12353) * zh-trans: translate docs/getting-started-guides/ubuntu/operational-considerations.md * Adopt PR suggestions * add period sign * zh-trans: krib.md (#12363) * zh-trans: krib.md zh-trans: krib.md * Update krib.md * Update krib.md * Update krib.md * Update krib.md * zh-trans: /docs/tasks/administer-federation/events.md (#12411) * zh-trans: /docs/tasks/administer-federation/events.md zh-trans: /docs/tasks/administer-federation/events.md * Update events.md * Update events.md * zh-trans: /docs/setup/turnkey/azure.md (#12412) zh-trans: /docs/setup/turnkey/azure.md * zh-trans:/docs/tasks/administer-federation/hpa.md & /docs/tasks/administer-cluster/extended-resource-node.md (#12432) * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * Update configure-aggregation-layer.md * . * . * . * . * . * . * . * . * configure-aggregation-layer.md * . * . * Update configure-aggregation-layer.md * . * . * . * . * . * Add arm64, ppc64le and s390x platforms for calico (#12666) Signed-off-by: PingWang <wang.ping5@zte.com.cn> add only Signed-off-by: PingWang <wang.ping5@zte.com.cn> * zh-trans: developing-cloud-controller-manager.md (#12413) * zh-trans: /docs/tasks/administer-cluster/developing-cloud-controller-manager.md zh-trans: /docs/tasks/administer-cluster/developing-cloud-controller-manager.md * Update developing-cloud-controller-manager.md * fix typo: delete useless "**" * Update developing-cloud-controller-manager.md * ZH-trans: add 2018-05-01-developing-on-kubernetes.md (#12814) * ZH-trans: update encrypt-data.md (#12939) * ZH-trans: update encrypt-data.md * Update encrypt-data.md * ZH-trans: add example-task-template.md (#12940) * ZH-trans: add example-task-template.md * Update example-task-template.md * Added Instana to tools (#12978) Instana is already available in the english version of the text, therefore I added it here too. Hope my skills were enough to make the text still correct :-) * ZH-trans: add expose-interactive.html (#12965) * ZH-trans: add expose-interactive.html * Update content/zh/docs/tutorials/kubernetes-basics/expose/expose-interactive.html Co-Authored-By: xichengliudui <1693291525@qq.com> * ZH-trans: add cloudstack.md (#12967) * Create cloudstack.md * Update cloudstack.md * Update cloudstack.md * Update cloudstack.md * ZH-trans: add container-lifecycle-hooks.md (#12941) * ZH-trans: add container-lifecycle-hooks.md * Update container-lifecycle-hooks.md * translate content/zh/docs/tasks/administer-cluster/dns-debugging-resolution.md to chinese (#12904) * ZH-trans: add expose-external-ip-address.md (#12955) * ZH-trans: add expose-external-ip-address.md * Update expose-external-ip-address.md * Update expose-external-ip-address.md * Update expose-external-ip-address.md * Update expose-external-ip-address.md * Update expose-external-ip-address.md * ZH-trans: add dns-horizontal-autoscaling.md (#12948) * ZH-trans: add dns-horizontal-autoscaling.md * Update dns-horizontal-autoscaling.md * Update dns-horizontal-autoscaling.md * zh-trans: update content/zh/docs/concepts/_index.md (#13182) * zh-trans: update content/zh/docs/reference/access-authn-authz/node.md (#13181) * Update dns-horizontal-autoscaling.md (#13119) * Update dns-horizontal-autoscaling.md * Update dns-horizontal-autoscaling.md * Update dns-horizontal-autoscaling.md * ZH-trans: add 2018-10-03-kubedirector.md (#13048) * ZH-trans: add 2018-10-03-kubedirector.md * Update 2018-10-03-kubedirector.md * Update 2018-10-03-kubedirector.md * ZH-trans: add guestbook.md (#12953) * ZH-trans: add guestbook.md * Update guestbook.md * Update guestbook.md * Update guestbook.md * Update guestbook.md * ZH-trans: add set-up-placement-policies-federation.md (#12947) * ZH-trans: add set-up-placement-policies-federation.md * update pull request * Update set-up-placement-policies-federation.md * Update set-up-placement-policies-federation.md * Update set-up-placement-policies-federation.md * Update set-up-placement-policies-federation.md * ZH-trans: add service-accounts-admin.md (#13047) * ZH-trans: add service-accounts-admin.md * Update service-accounts-admin.md * Update service-accounts-admin.md * ZH-trans: add update-api-object-kubectl-patch.md (#12943) * ZH-trans: add update-api-object-kubectl-patch.md * Update update-api-object-kubectl-patch.md * Update update-api-object-kubectl-patch.md * Update update-api-object-kubectl-patch.md * Update update-api-object-kubectl-patch.md * ZH-trans: add parallel-processing-expansion.md (#12944) * ZH-trans: add parallel-processing-expansion.md * Update parallel-processing-expansion.md * Update parallel-processing-expansion.md * zh-trans: add 2018-12-05-new-contributor-shanghai.md (#12778) * add zh 2017-03-00-Five-Days-Of-Kubernetes-1-6.md add zh 2018-12-05-new-contributor-shanghai.md * Delete 2017-03-00-Five-Days-Of-Kubernetes-1-6.md * zh-trans: /docs/contribute/style/write-new-topic.md (#12572) Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> zh-trans: /docs/contribute/style/write-new-topic.md; update Signed-off-by: liyuan198251 <li.yuan4@zte.com.cn> * zh-trans: update content/zh/docs/setup/salt.md (#13202) * zh-trans: add docs/reference/setup-tools/kubeadm/generated/kubeadm_token.md (#13198) * ZH-trans: add kubeadm_upgrade_diff.md (#13170) * ZH-trans: add kubeadm_upgrade_diff.md * Update kubeadm_upgrade_diff.md * Update kubeadm_upgrade_diff.md * zh-trans: update docs/reference/access-authn-authz/authorization.md (#13180) * zh-trans: update docs/reference/setup-tools/kubeadm/kubeadm-config.md (#13179) * zh-trans: add docs/concepts/storage/dynamic-provisioning.md (#13171) * ZH-trans: add 2015-05-00-Kubernetes-On-Openstack.md (#13149) * ZH-trans: add Kubernetes开源项目产品经理 * Update 2015-05-00-Kubernetes-On-Openstack.md * ZH-trans: add 2015-03-00-Welcome-To-Kubernetes-Blog.md (#13131) * ZH-trans: add 2015-03-00-Welcome-To-Kubernetes-Blog.md * Update 2015-03-00-Welcome-To-Kubernetes-Blog.md * ZH-trans: add 2015-06-00-Slides-Cluster-Management-With.md (#13123) * ZH-trans: add 2015-06-00-Slides-Cluster-Management-With.md * Update 2015-06-00-Slides-Cluster-Management-With.md * Create 2015-03-00-Kubernetes-Gathering-Videos.md (#13124) * ZH-trans: add 2015-03-00-Weekly-Kubernetes-Community-Hangout.md (#13129) * ZH-trans: add 2015-03-00-Weekly-Kubernetes-Community-Hangout.md * Update 2015-03-00-Weekly-Kubernetes-Community-Hangout.md * ZH-trans: add 2015-04-00-Kubernetes-Release-0150.md (#13130) * ZH-trans: add 2015-04-00-Kubernetes-Release-0150.md * Update 2015-04-00-Kubernetes-Release-0150.md * ZH-trans: add 2015-04-00-Weekly-Kubernetes-Community-Hangout_17.md (#13132) * ZH-trans: add 2015-04-00-Weekly-Kubernetes-Community-Hangout_17.md * Update 2015-04-00-Weekly-Kubernetes-Community-Hangout_17.md * Update 2015-04-00-Weekly-Kubernetes-Community-Hangout_17.md * Update 2015-04-00-Weekly-Kubernetes-Community-Hangout_17.md * ZH-trans: add 2015-04-00-Weekly-Kubernetes-Community-Hangout_29.md (#13147) * ZH-trans: add 2015-05-00-Weekly-Kubernetes-Community-Hangout.md (#13148) * ZH-trans: add flannel_multi_node_cluster.md (#13195) * ZH-trans: add flannel_multi_node_cluster.md * Update flannel_multi_node_cluster.md * Update flannel_multi_node_cluster.md * zh-trans: add docs/reference/command-line-tools-reference/kubelet-authentication-authorization.md (#13200) * zh-trans: add docs/reference/command-line-tools-reference/kubelet-authentication-authorization.md * Update kubelet-authentication-authorization.md * zh-trans: /docs/tasks/administer-cluster/out-of-resource.md (#12879) * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * configure-aggregation-layer.md * Update configure-aggregation-layer.md * . * . * . * . * . * . * . * . * configure-aggregation-layer.md * . * . * Update configure-aggregation-layer.md * . * . * . * . * . * . * zh-trans: update docs/setup/node-conformance.md (#13201) * zh-trans: update docs/setup/node-conformance.md * zh-trans: update docs/setup/on-premises-vm/dcos.md * zh-trans: add content/zh/blog/_posts/2018-10-15-steering-election-results.md (#13227) * zh-trans: add content/zh/blog/_posts/2018-10-15-steering-election-results.md * Update content/zh/blog/_posts/2018-10-15-steering-election-results.md Co-Authored-By: SataQiu <1527062125@qq.com> * Add @xichengliudui to sig-docs-zh-owners (release-1.12) (#13167) * Add @xichengliudui to sig-docs-zh-owners * Update OWNERS_ALIASES * ZH-trans: add coreos.md (#13193) * ZH-trans: coreos.md * Update coreos.md * Update coreos.md * Update coreos.md * Update coreos.md * Update coreos.md * Update coreos.md * add SataQiu as a sig-docs-zh-owner (#13271) * Fix relative links issue in zh content (#13312) * `http://kubernetes.io/docs/` -> `/docs/` * `https://kubernetes.io/docs/` -> `/docs/` * zh-trans: add docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md (#13194) * zh-trans: add docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md * Update content/zh/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update kubeadm-upgrade.md * ZH-trans: add kubeadm-upgrade-ha-1-12.md (#13306) * ZH-trans: add kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update kubeadm-upgrade-ha-1-12.md * Update config.toml (#13408) * zh-trans: add content/zh/blog/_posts/2018-11-08-kubernetes-docs-update-i18n.md (#13221) * zh-trans: add content/zh/docs/reference/kubernetes-api/labels-annotations-taints.md (#13236) * zh-trans: add content/zh/blog/_posts/2018-10-16-kubernetes-2018-north-american-contributor-summit.md (#13274) * zh-trans: add content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md (#13268) * zh-trans: add content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md * Update content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: update content/zh/docs/tasks/service-catalog/install-service-catalog-using-helm.md * ZH-trans: add 2017-10-00-Five-Days-Of-Kubernetes-18.md (#13427) * ZH-trans: add 2017-10-00-Five-Days-Of-Kubernetes-18.md * Update 2017-10-00-Five-Days-Of-Kubernetes-18.md * zh-trans: add content/zh/docs/tasks/administer-federation/daemonset.md (#13239) * message * more message * remove data.json * ZH-trans: add aws.md (#13276) * ZH-trans: add aws.md * Update aws.md * Update aws.md * ZH-trans: add cluster-interactive.html (#13479) * ZH-trans: add cluster-interactive.html * Update cluster-interactive.html * ZH-trans: add update-intro.html (#13480) * Create update-intro.html * Update update-intro.html * Update update-intro.html * Update update-intro.html * Update update-intro.html * Update update-intro.html * ZH-trans: add README.md (#13235) * ZH-trans: add vendoring * Update README.md * zh: docs/cocepts/cluster-administration/logging.md (#13541) * zh: docs/cocepts/cluster-administration/logging.md * Update logging.md * zh-trans: update docker-cli-to-kubectl.md (#13591) * Update docker-cli-to-kubectl.md * Update docker-cli-to-kubectl.md * zh-trans: update advanced.md (#13592) * ZH-trans: add 2017-11-00-Autoscaling-In-Kubernetes.md (#13424) * ZH-trans: add 2017-11-00-Autoscaling-In-Kubernetes.md * Update 2017-11-00-Autoscaling-In-Kubernetes.md * ZH-trans: add fedora_manual_config.md (#13439) * ZH-trans: add fedora_manual_config.md * Update fedora_manual_config.md * zh-trans: content/zh/docs/concepts/overview/working-with-objects/labe… (#12277) * zh-trans: content/zh/docs/concepts/overview/working-with-objects/labels.md * update trans * update trans * zh: docs/contribute/start.md trans (#13632) * zh:docs/contribute/start.md trans * Update start.md * Update start.md * Update start.md * Update start.md * Update content/zh/docs/contribute/start.md Co-Authored-By: zhangqx2010 <zhangqx2010@users.noreply.github.com> * Update content/zh/docs/contribute/start.md Co-Authored-By: zhangqx2010 <zhangqx2010@users.noreply.github.com> * Update content/zh/docs/contribute/start.md Co-Authored-By: zhangqx2010 <zhangqx2010@users.noreply.github.com> * zh-trans: update docs/reference/setup-tools/kubefed (#13729) * Update 2017-10-00-Five-Days-Of-Kubernetes-18.md (#13472) * zh-trans: add configure-multiple-schedulers.md (#13492) * zh-trans: add configure-multiple-schedulers.md * Update content/zh/docs/tasks/administer-cluster/configure-multiple-schedulers.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/tasks/administer-cluster/configure-multiple-schedulers.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update configure-multiple-schedulers.md * Update configure-multiple-schedulers.md * Update content/zh/docs/tasks/administer-cluster/configure-multiple-schedulers.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/tasks/administer-cluster/configure-multiple-schedulers.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/tasks/administer-cluster/configure-multiple-schedulers.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update configure-multiple-schedulers.md * zh-trans: add docs/tasks/configure-pod-container/share-process-namespace.md (#13551) * zh-trans: add docs/tasks/configure-pod-container/share-process-namespace.md * Update share-process-namespace.md * zh-trans: update docs/admin/accessing-the-api.md (#13744) * zh-trans: add content/zh/blog/_posts/2018-10-11-topology-aware-volume-provisioning.md (#13303) * ZH-trans: add 2016-02-00-Kubecon-Eu-2016-Kubernetes-Community-In.md (#13241) * ZH-trans: add 2016-02-00-Kubecon-Eu-2016-Kubernetes-Community-In.md * Update 2016-02-00-Kubecon-Eu-2016-Kubernetes-Community-In.md * Update 2016-02-00-Kubecon-Eu-2016-Kubernetes-Community-In.md * ZH-trans: add 2016-07-00-Citrix-Netscaler-And-Kubernetes.md (#13242) * ZH-trans: add 2016-07-00-Citrix-Netscaler-And-Kubernetes.md * Update 2016-07-00-Citrix-Netscaler-And-Kubernetes.md * Update 2016-07-00-Citrix-Netscaler-And-Kubernetes.md * zh-trans: update docs/admin/bootstrap-tokens.md (#13770) * zh-trans: update content/zh/docs/admin/cluster-large.md (#13771) * zh-trans: update content/zh/docs/admin/kube-apiserver.md (#13774) * zh-trans: update content/zh/docs/admin/kube-apiserver.md * Update kube-apiserver.md * Update content/zh/docs/admin/kube-apiserver.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: update content/zh/docs/admin/multiple-zones.md (#13775) * zh-trans: update content/zh/docs/admin/multiple-zones.md * Update multiple-zones.md * zh-trans: update node-conformance.md and ovs-networking.md (#13776) * zh-trans: update high-availability/_index.md and authorization/webhook.md (#13780) * zh-trans: update content/zh/docs/admin/authorization/_index.md (#13779) * zh-trans: update content/zh/docs/admin/authorization/_index.md * Update _index.md * Update content/zh/docs/admin/authorization/_index.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/admin/authorization/_index.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update content/zh/docs/admin/authorization/_index.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: update content/zh/docs/admin/authorization/abac.md (#13777) * zh-trans: update content/zh/docs/admin/authorization/abac.md * Update content/zh/docs/admin/authorization/abac.md Co-Authored-By: SataQiu <1527062125@qq.com> * Update abac.md * zh-trans: update content/zh/docs/admin/service-accounts-admin.md (#13778) * zh-trans: update content/zh/docs/admin/service-accounts-admin.md * Update content/zh/docs/admin/service-accounts-admin.md Co-Authored-By: SataQiu <1527062125@qq.com> * zh-trans: update content/zh/docs/concepts/architecture (#13797) * ZH-trans: add cluster.md (#13500) * ZH-trans: add cluster.md * Update cluster.md * Update cluster.md * Update cluster.md * zh-trans: update docs/concepts/cluster-administration (#13825) * Exclude content-en changes in the PR * Exclude content/ko changes in the PR * Exclude OWNERS_ALIASES change in the PR * rm kubeadm/generated/README.md to fix the build * Remove generated sass assets
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---
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approvers:
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- caesarxuchao
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- dchen1107
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title: Nodes
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redirect_from:
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- "/docs/admin/node/"
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- "/docs/admin/node.html"
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- "/docs/concepts/nodes/node/"
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- "/docs/concepts/nodes/node.html"
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---
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{{< toc >}}
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## Node 是什么?
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`Node` 是 Kubernetes 的工作节点,以前叫做 `minion`。取决于你的集群,Node 可以是一个虚拟机或者物理机器。每个 node 都有用于运行 [pods](/docs/user-guide/pods) 的必要服务,并由 master 组件管理。Node 上的服务包括 Docker、kubelet 和 kube-proxy。请查阅架构设计文档中 [The Kubernetes Node](https://git.k8s.io/community/contributors/design-proposals/architecture/architecture.md#the-kubernetes-node) 一节获取更多细节。
|
||
|
||
|
||
## Node 状态
|
||
|
||
|
||
一个 node 的状态包含以下信息:
|
||
|
||
* [地址](#地址)
|
||
* ~~[阶段](#阶段)~~ **已废弃**
|
||
* [条件](#条件)
|
||
* [容量](#容量)
|
||
* [信息](#信息)
|
||
|
||
|
||
下面对每个章节进行详细描述。
|
||
|
||
|
||
### 地址
|
||
|
||
|
||
这些字段组合的用法取决于你的云服务商或者裸机配置。
|
||
|
||
* HostName:HostName 和 node 内核报告的相同。可以通过 kubelet 的 `--hostname-override` 参数覆盖。
|
||
* ExternalIP:通常是可以外部路由的 node IP 地址(从集群外可访问)。
|
||
* InternalIP:通常是仅可在集群内部路由的 node IP 地址。
|
||
|
||
|
||
### 阶段
|
||
|
||
|
||
一废弃:node 阶段已经不再使用。
|
||
|
||
|
||
### 条件
|
||
|
||
|
||
`conditions` 字段描述了所有 `Running` nodes 的状态。
|
||
|
||
|
||
| Node 条件 | 描述 |
|
||
| ---------------- | ---------------------------------------- |
|
||
| `OutOfDisk` | `True` 表示 node 的空闲空间不足以用于添加新 pods, 否则为 `False` |
|
||
| `Ready` | `True` 表示 node 是健康的并已经准备好接受 pods;`False` 表示 node 不健康而且不能接受 pods;`Unknown` 表示 node 控制器在最近 40 秒内没有收到 node 的消息 |
|
||
| `MemoryPressure` | `True` 表示 node 不存在内存压力 -- 即 node 内存用量低,否则为 `False` |
|
||
| `DiskPressure` | `True` 表示 node 不存在磁盘压力 -- 即磁盘用量低,否则为 `False` |
|
||
|
||
|
||
Node 条件使用一个 JSON 对象表示。例如,下面的响应描述了一个健康的 node。
|
||
|
||
```json
|
||
"conditions": [
|
||
{
|
||
"kind": "Ready",
|
||
"status": "True"
|
||
}
|
||
]
|
||
```
|
||
|
||
|
||
如果 Ready 条件处于状态 "Unknown" 或者 "False" 的时间超过了 `pod-eviction-timeout`(一个传递给 [kube-controller-manager](/docs/admin/kube-controller-manager/) 的参数),node 上的所有 Pods 都会被 Node 控制器计划删除。默认的删除超时时长为**5 分钟**。某些情况下,当 node 不可访问时,apiserver 不能和其上的 kubelet 通信。删除 pods 的决定不能传达给 kubelet,直到它重新建立和 apiserver 的连接为止。与此同时,被计划删除的 pods 可能会继续在分区 node 上运行。
|
||
|
||
|
||
在 1.5 版本之前的 Kubernetes 里,node 控制器会将不能访问的 pods 从 apiserver 中[强制删除](/docs/concepts/workloads/pods/pod/#force-deletion-of-pods)。但在 1.5 或更高的版本里,在 node 控制器确认这些 pods 已经在集群里停运行前不会强制删除它们。你可以看到这些处于 "Terminating" 或者 "Unknown" 状态的 pods 可能在无法访问的 node 上运行。为了防止 kubernetes 不能从底层基础设施中推断出一个 node 是否已经永久的离开了集群,集群管理员可能需要手动删除这个 node 对象。从 Kubernetes 删除 node 对象将导致 apiserver 删除 node 上所有运行的 Pod 对象并释放它们的名字。
|
||
|
||
|
||
### 容量
|
||
|
||
|
||
描述 node 上的可用资源:CPU、内存和可以调度到 node 上的 pods 的最大数量。
|
||
|
||
|
||
### 信息
|
||
|
||
|
||
关于 node 的通用信息,例如内核版本、Kubernetes 版本(kubelet 和 kube-proxy 版本)、Docker 版本 (如果使用了)和 OS 名。这些信息由 Kubelet 从 node 搜集而来。
|
||
|
||
|
||
## 管理
|
||
|
||
|
||
与 [pods](/docs/user-guide/pods) 和 [services](/docs/user-guide/services) 不同,node 并不是在 Kubernetes 内部创建的:它是被外部的云服务商创建,例如 Google Compute Engine 或者你的集群中的物理或者虚拟机。这意味着当 Kubernetes 创建一个 node 时,它其实仅仅创建了一个对象来代表这个 node。创建以后,Kubernetes 将检查这个 node 是否可用。例如,如果你尝试使用如下内容创建一个 node:
|
||
|
||
```json
|
||
{
|
||
"kind": "Node",
|
||
"apiVersion": "v1",
|
||
"metadata": {
|
||
"name": "10.240.79.157",
|
||
"labels": {
|
||
"name": "my-first-k8s-node"
|
||
}
|
||
}
|
||
}
|
||
```
|
||
|
||
|
||
Kubernetes 会在内部创一个 node 对象(象征 node),并基于 `metadata.name` 字段(我们假设 `metadata.name` 能够被解析)通过健康检查来验证 node。如果 node 可用,意即所有必要服务都已运行,它就符合了运行一个 pod 的条件;否则它将被所有的集群动作忽略直到变为可用。请注意,Kubernetes 将保存不可用 node 的对象,除非它被客户端显式的删除。Kubernetes 将持续检查 node 是否变的可用。
|
||
|
||
|
||
当前,有 3 个组件同 Kubernetes node 接口交互:node 控制器、kubelet 和 kubectl。
|
||
|
||
|
||
### Node 控制器
|
||
|
||
|
||
Node 控制器是一个 Kubernetes master 组件,管理 nodes 的方方面面。
|
||
|
||
|
||
Node 控制器在 node 的生命周期中扮演了多个角色。第一个是当 node 注册时为它分配一个 CIDR block(如果打开了 CIDR 分配)。
|
||
|
||
|
||
第二个是使用云服务商提供了可用节点列表保持 node 控制器内部的 nodes 列表更新。如果在云环境下运行,任何时候当一个 node 不健康时 node 控制器将询问云服务 node 的虚拟机是否可用。如果不可用,node 控制器会将这个 node 从它的 nodes 列表删除。
|
||
|
||
|
||
第三个是监控 nodes 的健康情况。Node 控制器负责在 node 不能访问时(也即是 node 控制器因为某些原因没有收到心跳,例如 node 宕机)将它的 NodeStatus 的 NodeReady 状态更新为 ConditionUnknown。后续如果 node 持续不可访问,Node 控制器将删除 node 上的所有 pods(使用优雅终止)。(默认情况下 40s 开始报告 ConditionUnknown,在那之后 5m 开始删除 pods。)Node 控制器每隔 `--node-monitor-period` 秒检查每个 node 的状态。
|
||
|
||
|
||
在 Kubernetes 1.4 中我们更新了 node 控制器逻辑以更好的处理大批量 nodes 访问 master 出问题的情况(例如 master 的网络出了问题)。从 1.4 开始,node 控制器在决定删除 pod 之前会检查集群中所有 nodes 的状态。
|
||
|
||
|
||
大部分情况下, node 控制器把删除频率限制在每秒 `--node-eviction-rate` 个(默认为 0.1)。这表示它在 10 秒钟内不会从超过一个 node 上删除 pods。
|
||
|
||
|
||
当一个 availability zone 中的 node 变为不健康时,它的删除行为将发生改变。Node 控制器会同时检查 zone 中不健康(NodeReady 状态为 ConditionUnknown 或 ConditionFalse)的 nodes 的百分比。如果不健康 nodes 的部分超过 `--unhealthy-zone-threshold` (默认为 0.55),删除速率将会减小:如果集群较小(意即小于等于 `--large-cluster-size-threshold` 个 nodes - 默认为 50),删除将会停止,否则删除速率将降为每秒 `--secondary-node-eviction-rate` 个(默认为 0.01)。在单个 availability zone 实施这些策略的原因是当一个 availability zone 可能从 master 分区时其它的仍然保持连接。如果你的集群没有跨越云服务商的多个 availability zones,那就只有一个 availability zone(整个集群)。
|
||
|
||
|
||
在多个 availability zones 分布你的 nodes 的一个关键原因是当整个 zone 故障时,工作负载可以转移到健康的 zones。因此,如果一个 zone 中的所有 nodes 都不健康时,node 控制器会以正常的速率 `--node-eviction-rate` 删除。在所有的 zones 都不健康(也即集群中没有健康 node)的极端情况下,node 控制器将假设 master 的连接出了某些问题,它将停止所有删除动作直到一些连接恢复。
|
||
|
||
|
||
从 Kubernetes 1.6 开始,NodeController 还负责删除运行在拥有 `NoExecute` taints 的 nodes 上的 pods,如果这些 pods 没有 tolerate 这些 taints。此外,作为一个默认禁用的 alpha 特性,NodeController 还负责根据 node 故障(例如 node 不可访问或没有 ready)添加 taints。请查看[这个文档](/docs/concepts/configuration/assign-pod-node/#taints-and-tolerations-beta-feature)了解关于 `NoExecute` taints 和这个 alpha 特性。
|
||
|
||
|
||
### Nodes 自注册
|
||
|
||
|
||
当 kubelet 标志 `--register-node` 为 true (默认)时,它会尝试向 API 服务注册自己。这是首选模式,被绝大多数发行版选用。
|
||
|
||
|
||
对于自注册模式,kubelet 使用下列参数启动:
|
||
|
||
- `--api-servers` - apiservers 地址。
|
||
- `--kubeconfig` - 用于向 apiserver 验证自己的凭据路径。
|
||
- `--cloud-provider` - 如何从云服务商读取关于自己的元数据。
|
||
- `--register-node` - 自动向 API 服务注册。
|
||
- `--register-with-taints` - 使用 taints 列表(逗号分隔的 `<key>=<value>:<effect>`)注册 node。当 `register-node` 为 false 时无效。
|
||
- `--node-ip` - node IP 地址。
|
||
- `--node-labels` - 向集群注册时给 node 添加的 labels。
|
||
- `--node-status-update-frequency` - 指定 kubelet 向 master 发送状态的频率。
|
||
|
||
|
||
目前,任何 kubelet 都被授权可以创建/修改任意 node 资源,但通常只对自己的进行创建/修改。(未来我们计划只允许一个 kubelet 修改它自己 node 的资源。)
|
||
|
||
|
||
#### 手动 Node 管理
|
||
|
||
|
||
集群管理员可以创建及修改 node 对象。
|
||
|
||
|
||
如果管理员希望手动创建 node 对象,请设置 kubelet 标记 `--register-node=false`。
|
||
|
||
|
||
管理员可以修改 node 资源(忽略 `--register-node` 设置)。修改包括在 node 上设置 labels 及标记它为不可调度。
|
||
|
||
|
||
Nodes 上的 labels 可以和 pods 的 node selectors 一起使用来控制调度,例如限制一个 pod 只能在一个符合要求的 nodes 子集上运行。
|
||
|
||
|
||
标记一个 node 为不可调度的将防止新建 pods 调度到那个 node 之上,但不会影响任何已经在它之上的 pods。这是重启 node 等操作之前的一个有用的准备步骤。例如,标记一个 node 为不可调度的,执行以下命令:
|
||
|
||
```shell
|
||
kubectl cordon $NODENAME
|
||
```
|
||
|
||
|
||
请注意,被 daemonSet 控制器创建的 pods 将忽略 Kubernetes 调度器,且不会遵照 node 上不可调度的属性。这个假设基于守护程序属于节点机器,即使在准备重启而隔离应用的时候。
|
||
|
||
|
||
### Node 容量
|
||
|
||
|
||
Node 的容量(cpu 数量和内存容量)是 node 对象的一部分。通常情况下,在创建 node 对象时,它们会注册自己并报告自己的容量。如果你正在执行[手动 node 管理](#manual-node-administration),那么你需要在添加 node 时手动设置 node 容量。
|
||
|
||
|
||
Kubernetes 调度器保证一个 node 上有足够的资源供其上的所有 pods 使用。它会检查 node 上所有容器要求的总和不会超过 node 的容量。这包括所有 kubelet 启动的容器,但不包含 Docker 启动的容器和不在容器中的进程。
|
||
|
||
|
||
如果希望显式的为非 pod 进程预留资源,你可以创建一个占位 pod。使用如下模板:
|
||
|
||
```yaml
|
||
apiVersion: v1
|
||
kind: Pod
|
||
metadata:
|
||
name: resource-reserver
|
||
spec:
|
||
containers:
|
||
- name: sleep-forever
|
||
image: k8s.gcr.io/pause:0.8.0
|
||
resources:
|
||
requests:
|
||
cpu: 100m
|
||
memory: 100Mi
|
||
```
|
||
|
||
|
||
设置 `cpu` 和 `memory` 值为你希望预留的资源量。将文件放在清单文件夹中(kubelet 的 `--config=DIR` 标志)。当你希望预留资源时,在每个 kubelet 上都这样执行。
|
||
|
||
|
||
## API 对象
|
||
|
||
|
||
Node 是 Kubernetes REST API 的顶级资源。更多关于 API 对象的细节可以在这里找到: [Node API
|
||
object](/docs/api-reference/{{< param "version" >}}/#node-v1-core).``
|