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) Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn> * update chinese docs (#16985) * Fix ordered list (#16988) Signed-off-by: PingWang <wang.ping5@zte.com.cn> update Signed-off-by: PingWang <wang.ping5@zte.com.cn> * zh-trans:/docs/reference/setup-tools/kubeadm/kubeadm-upgrade-phase.md (#16951) Signed-off-by: PingWang <wang.ping5@zte.com.cn> update Signed-off-by: PingWang <wang.ping5@zte.com.cn> update Signed-off-by: PingWang <wang.ping5@zte.com.cn> * Remove redundant symbol and fix some ordered list (#17000) Signed-off-by: PingWang <wang.ping5@zte.com.cn> update Signed-off-by: PingWang <wang.ping5@zte.com.cn> * 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) Signed-off-by: PingWang <wang.ping5@zte.com.cn> update Signed-off-by: PingWang <wang.ping5@zte.com.cn> * 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 Co-Authored-By: Qiming <tengqim@cn.ibm.com> * update zh translation content/zh/docs/reference/command-line-tools-reference/kube-scheduler.md (#17006) * Update RC's link (#16935) Signed-off-by: PingWang <wang.ping5@zte.com.cn> Update Signed-off-by: PingWang <wang.ping5@zte.com.cn> update the style Signed-off-by: PingWang <wang.ping5@zte.com.cn> * Update the links for /zh/docs/setup (#16938) Signed-off-by: PingWang <wang.ping5@zte.com.cn> * zh-trans:/docs/docs/concepts/services-networking/dual-stack.md (#17024) * update zh translation /reference/setup-tools/kubeadm/generated/kubeadm.md (#17036) * update zh tanslation /reference/setup-tools/kubeadm/generated/kubeadm_alpha_kubelet_config_download.md (#17037) * 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) Signed-off-by: PingWang <wang.ping5@zte.com.cn> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> Add Chinese translation for scheduler-perf-tuning Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> Add Chinese translation for scheduler-perf-tuning Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> Add Chinese translation for scheduler-perf-tuning Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: heqg <he.qingguo@zte.com.cn> Add zh-trans of assign-cpu-resource.md Signed-off-by: heqg <he.qingguo@zte.com.cn> Add zh-trans of assign-cpu-resource.md Signed-off-by: heqg <he.qingguo@zte.com.cn> Add zh-trans of assign-cpu-resource.md Signed-off-by: heqg <he.qingguo@zte.com.cn> Add zh-trans of assign-cpu-resource.md Signed-off-by: heqg <he.qingguo@zte.com.cn> * 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) * x * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * update zh-translation:setup-ha-etcd-with-kubeadm.md (#17098) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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 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 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 Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> Add Chinese translation for kube-scheduler Signed-off-by: GeorgeSen <wang.sen2@zte.com.cn> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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 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zh-translation:kubeadm_init_phase_upload-config.md (#17238) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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_.* * Update kubeadm_alpha.md * 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) * improve zh command translation /kubeadm/generated/kubeadm_init_.* files (#17298) * 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) Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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) * add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_certificate-key.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_reset_phase_preflight.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_reset_phase_update-cluster-status.md (#17385) * add zh trans content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_certs_renew_admin.conf.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_reset_phase.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_reset_phase_cleanup-node.md (#17387) * 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_alpha_certs_renew_front-proxy-client.md、content/zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_alpha_selfhosting_pivot.md (#17384) * add zh /docs/reference/glossary/limitrange.md (#17324) * add zh trans content/zh/docs/setup/best-practices/cluster-large.md (#17321) * add zh trans content/zh/docs/setup/best-practices/cluster-large.md * Update cluster-large.md * add zh trans /docs/reference/setup-tools/kubeadm/kubeadm-alpha.md、/do… (#17403) * add zh trans /docs/reference/setup-tools/kubeadm/kubeadm-alpha.md、/docs/reference/setup-tools/kubeadm/generated/kubeadm_join_phase_preflight.md、/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_certs_etcd-server.md * Update kubeadm_init_phase_certs_etcd-server.md * add zh /docs/reference/glossary/cluster-operations.md (#17300) * add zh /docs/reference/glossary/applications.md (#17419) * update zh trans kubelet (#17379) * update zh trans kubelet * update the file according to feedback from reviewer tengqm * update 1000-1757 lines * update the advice zh trans * add zh /docs/reference/glossary/static-pod.md (#17418) * add zh /docs/reference/glossary/preemption.md (#17423) * add zh /docs/reference/glossary/pod-priority.md (#17421) * add zh /docs/reference/glossary/control-plane.md (#17425) * add zh /docs/reference/glossary/cluster-infrastructure.md (#17424) * 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) * fix QoS Class to QoS 类 (#17464) * pr_release-1.16-abac (#17427) * zh-trans:docs/setup/production-environment/turnkey/alibaba-cloud.md (#17345) * pr_release-1.16_endpoint-slice (#17468) * pr_release-1.16_taint (#17469) * pr_release-1.16_operator-pattern (#17467) * pr_release-1.16_ss (#17433) * pr_release-1.16_admission-controller (#17440) * pr_release-1.16_containerd (#17441) * 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) * update zh trans content/zh/docs/reference/setup-tools/kubeadm/kubeadm… (#17495) * update zh trans content/zh/docs/reference/setup-tools/kubeadm/kubeadm-upgrade-phase.md、content/zh/docs/reference/setup-tools/kubeadm/kubeadm-init-phase.md * 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) * fix zk affinity description in zh trans (#17393) * pr-release-1.16_ephemeral-container (#17487) * pr-release-1.16_data-plane (#17489) * pr-release-1.16_cncf (#17490) * zh-trans add content\zh\docs\tools\install-minikube.md (#16920) * zh-trans add content\zh\docs\tools\install-minikube.md * zh-trans update content\zh\docs\tools\install-minikube.md * zh-trans update content\zh\docs\tools\install-minikube.md * update \docs\tasks\tools\install-minikube.md * update docs\concepts\workloads\controllers\deployment.md * update deployment.md * pr-release-1.16_extensions (#17492) * pr-release-1.16_toleration (#17493) * Revert "update zh trans content/zh/docs/reference/setup-tools/kubeadm/kubeadm… (#17495)" (#17521) 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 * Update toleration.md * improve zh-trans in content/zh/docs/setup/_index.md (#17526) * add zh-trans /zh/docs/reference/setup-tools/kubeadm/generated/kubeadm_init_phase_kubeconfig_kubelet.md (#17527) * 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) * Update kubeadm_upgrade_plan.md * Update kubeadm_upgrade_plan.md * Update kubeadm_upgrade_plan.md * Update kubeadm_upgrade_plan.md * Update kubeadm_upgrade_plan.md * Update kubeadm_upgrade_plan.md * update zh-trans of define-command-argument-container.md (#17022) Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn> 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> update table title and reference Signed-off-by: Yixiang2019 <wang.yixiang@zte.com.cn> 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 * update zh trans content/zh/docs/reference/setup-tools/kubeadm/kubeadm-init-phase.md (#17528) * update zh trans /doc/concepts/architecture/nodes.md (#17617) * update zh trans content/zh/docs/concepts/architecture/nodes.md * fix-up content/zh/docs/concepts/architecture/nodes.md * add zh-trans /docs/setup/release/notes.md (#17519) * add zh-trans /docs/setup/release/notes.md update-750 * fix-up 1575 line and udpate 2483 line * update to line 2980 * update to the last line 3160 * add zh-trans:docs/setup/production-environment/turnkey/icp.md (#17568) * zh-trans: /docs/setup/production-environment/container-runtimes.md (#17646) * zh-trs:container-runtimes.md Signed-off-by: yuxiaobo <yuxiaobogo@163.com> * 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 * Translate /docs/concepts/workloads/controllers/ttlafterfinished.md into Chinese * Create trans kubeadm_upgrade_diff.md (#17392) * Update kubeadm_upgrade_diff.md * Update kubeadm_upgrade_diff.md * Update kubeadm_upgrade_diff.md * Create _index.md (#17831) * zh-trans zh-trans-/docs/reference/command-line-tools-reference/feature-gates.md (#17658) * Update volume-snapshots.md (#17829) * Update volume-snapshots.md * Update volume-snapshots.md * Update volume-snapshots.md * Create ovirt.md (#17849) * Create ovirt.md * Update ovirt.md * 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) * Update dual-stack.md * Update dual-stack.md * Update dual-stack.md * Update dual-stack.md * Create validate-dual-stack.md (#17833) * Create validate-dual-stack.md * Update validate-dual-stack.md * 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 * Update topology-manager.md * add zh-trans:docs/setup/production-environment/windows/user-guide-windows-containers.md (#17876) * Update pod-overhead.md (#17931) * Update scheduler-perf-tuning.md (#17934) * Create dcos.md (#17932) * Create dcos.md * Update dcos.md * Update object-management.md (#17937) * zh-translation content/zh/docs/setup/production-environment/tools/kops.md (#17991) * Create imperative-config.md (#17956) * Create imperative-config.md * Update imperative-config.md * Create self-hosting.md (#17950) * Create resource-bin-packing.md (#17935) * Create nodelocaldns.md (#17938) * Update config.toml(release-1.16) for 1.17 (#18025) * 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 Co-authored-by: ZhongliangXiong <xiong.zhongliang@zte.com.cn> Co-authored-by: Yixiang Wang <wang.yixiang@zte.com.cn> Co-authored-by: li mengyang <hwdef97@gmail.com> Co-authored-by: PingWang <wang.ping5@zte.com.cn> Co-authored-by: chentanjun <tanjunchen20@gmail.com> Co-authored-by: Sophy417 <53026875+Sophy417@users.noreply.github.com> Co-authored-by: zhangx501 <zhang0000xun@gmail.com> Co-authored-by: Qiming <tengqim@cn.ibm.com> Co-authored-by: yuxiaobo96 <41496192+yuxiaobo96@users.noreply.github.com> Co-authored-by: senwang <wang.sen2@zte.com.cn> Co-authored-by: lichuqiang <lichuqiang@huawei.com> Co-authored-by: lpf7551321 <liupengfei20@huawei.com> Co-authored-by: Hongcai Ren <renhongcai@huawei.com> Co-authored-by: jiajie <jiaj12@chinaunicom.cn> Co-authored-by: heqg <56527988+heqg@users.noreply.github.com> Co-authored-by: IreneByron <zhangbingqing7@huawei.com> Co-authored-by: Wang Bing <wangbing.adam@gmail.com> Co-authored-by: Damini Satya <daminisatya@gmail.com> Co-authored-by: liufangwai <liufangwai@huawei.com> Co-authored-by: wangcong <congfairy2536@gmail.com> Co-authored-by: XuefeiWang2 <wangxuefei2@huawei.com> Co-authored-by: Kubernetes Prow Robot <k8s-ci-robot@users.noreply.github.com> Co-authored-by: Ziqiu Zhu <zzqshu@126.com> Co-authored-by: ten2ton <50288981+ten2ton@users.noreply.github.com> Co-authored-by: Oleg Butuzov <butuzov@users.noreply.github.com> Co-authored-by: jiazxjason <52809535+jiazxjason@users.noreply.github.com> Co-authored-by: Coffey Gao <coffiney@qq.com> Co-authored-by: Bingshen Wang <bingshen.wbs@alibaba-inc.com>
This commit is contained in:
LiuDui
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Kubernetes Prow Robot
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---
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approvers:
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reviewers:
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- bowei
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- zihongz
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title: 在 Kubernetes 中配置私有 DNS 和上游域名服务器
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title: 自定义 DNS 服务
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content_template: templates/task
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---
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<!--
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---
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reviewers:
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- bowei
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- zihongz
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title: Customizing DNS Service
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content_template: templates/task
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---
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-->
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{{% capture overview %}}
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本页展示了如何添加自定义私有 DNS 域（存根域）和上游域名服务器。
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<!--
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This page explains how to configure your DNS Pod and customize the
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DNS resolution process. In Kubernetes version 1.11 and later, CoreDNS is at GA
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and is installed by default with kubeadm. See [CoreDNS ConfigMap options](#coredns-configmap-options)
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and [Using CoreDNS for Service Discovery](/docs/tasks/administer-cluster/coredns/).
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-->
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本页说明如何配置 DNS Pod 和自定义 DNS 解析过程。 在 Kubernetes 1.11 和更高版本中，CoreDNS 位于 GA
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并且默认情况下与 kubeadm 一起安装。 请参见[CoreDNS 的 ConfigMap 选项](#coredns-configmap-options)
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and [使用 CoreDNS 进行服务发现](/docs/tasks/administer-cluster/coredns/)。
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{{% /capture %}}
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{{% capture prerequisites %}}
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<!--
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* {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
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* Kubernetes 1.6 及其以上版本。
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* 集群必须配置使用 `kube-dns` 插件。
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* Kubernetes version 1.6 or later. To work with CoreDNS, version 1.9 or later.
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* The appropriate add-on: kube-dns or CoreDNS. To install with kubeadm,
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see [the kubeadm reference documentation](/docs/reference/setup-tools/kubeadm/kubeadm-alpha/#cmd-phase-addon).
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-->
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* {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
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* Kubernetes 版本 1.6 或更新。如果与 CoreDNS 匹配，版本 1.9 或更新。
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* 合适的 add-on 插件: kube-dns 或 CoreDNS. 使用 kubeadm 安装，请参见 [kubeadm 帮助文档](/docs/reference/setup-tools/kubeadm/kubeadm-alpha/#cmd-phase-addon).
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{{% /capture %}}
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{{% capture steps %}}
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<!--
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## Introduction
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-->
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## 介绍
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<!--
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DNS is a built-in Kubernetes service launched automatically
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using the addon manager
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[cluster add-on](http://releases.k8s.io/{{< param "githubbranch" >}}/cluster/addons/README.md).
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-->
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DNS 是使用插件管理器[集群 add-on](http://releases.k8s.io/{{< param "githubbranch" >}}/cluster/addons/README.md)自动启动的内置的 Kubernetes 服务。
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## 配置存根域和上游 DNS 服务器
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<!--
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As of Kubernetes v1.12, CoreDNS is the recommended DNS Server, replacing kube-dns. However, kube-dns may still be installed by
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default with certain Kubernetes installer tools. Refer to the documentation provided by your installer to know which DNS server is installed by default.
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-->
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从 Kubernetes v1.12 开始，CoreDNS 是推荐的 DNS 服务器，取代了kube-dns。 但是，默认情况下，某些 Kubernetes 安装程序工具仍可能安装 kube-dns。 请参阅安装程序提供的文档，以了解默认情况下安装了哪个 DNS 服务器。
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通过为 kube-dns （`kube-system:kube-dns`）提供 ConfigMap，集群管理员能够指定自定义存根域和上游域名服务器。
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<!--
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The CoreDNS Deployment is exposed as a Kubernetes Service with a static IP.
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Both the CoreDNS and kube-dns Service are named `kube-dns` in the `metadata.name` field. This is done so that there is greater interoperability with workloads that relied on the legacy `kube-dns` Service name to resolve addresses internal to the cluster. It abstracts away the implementation detail of which DNS provider is running behind that common endpoint.
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The kubelet passes DNS to each container with the `--cluster-dns=<dns-service-ip>` flag.
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-->
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CoreDNS 的部署，作为一个 Kubernetes 服务，通过静态 IP 的方式暴露。
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CoreDNS 和 kube-dns 服务在 `metadata.name` 字段中均被命名为 `kube-dns`。 这样做是为了与依靠传统 `kube-dns` 服务名称来解析集群内部地址的工作负载具有更大的互操作性。它抽象出哪个 DNS 提供程序在该公共端点后面运行的实现细节。
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kubelet 使用 `--cluster-dns = <dns-service-ip>` 标志将 DNS 传递到每个容器。
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例如，下面的 ConfigMap 建立了一个 DNS 配置，它具有一个单独的存根域和两个上游域名服务器：
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<!--
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DNS names also need domains. You configure the local domain in the kubelet
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with the flag `--cluster-domain=<default-local-domain>`.
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-->
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DNS 名称也需要域。 您可在 kubelet 中使用 `--cluster-domain = <default-local-domain>` 标志配置本地域。
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<!--
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The DNS server supports forward lookups (A records), port lookups (SRV records), reverse IP address lookups (PTR records),
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and more. For more information see [DNS for Services and Pods] (/docs/concepts/services-networking/dns-pod-service/).
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-->
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DNS 服务器支持正向查找（A 记录），端口发现（SRV 记录），反向 IP 地址发现（PTR 记录）等。 更多信息，请参见[Pod 和 服务的 DNS] (/docs/concepts/services-networking/dns-pod-service/)。
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<!--
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If a Pod's `dnsPolicy` is set to "`default`", it inherits the name resolution
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configuration from the node that the Pod runs on. The Pod's DNS resolution
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should behave the same as the node.
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But see [Known issues](/docs/tasks/administer-cluster/dns-debugging-resolution/#known-issues).
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-->
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如果 Pod 的 dnsPolicy 设置为 "`default`"，则它将从 Pod 运行所在节点上的配置中继承名称解析配置。 Pod 的 DNS 解析应该与节点相同。
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但请参阅[已知问题](/docs/tasks/administer-cluster/dns-debugging-resolution/#known-issues)。
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<!--
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If you don't want this, or if you want a different DNS config for pods, you can
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use the kubelet's `--resolv-conf` flag. Set this flag to "" to prevent Pods from
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inheriting DNS. Set it to a valid file path to specify a file other than
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`/etc/resolv.conf` for DNS inheritance.
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-->
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如果您不想这样做，或者想要为 Pod 使用其他 DNS 配置，则可以
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使用 kubelet 的 `--resolv-conf` 标志。 将此标志设置为 "" 以避免 Pod
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继承 DNS。 将其设置为有效的文件路径以指定除以下以外的文件
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`/etc/resolv.conf`，用于 DNS 继承。
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## CoreDNS
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<!--
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CoreDNS is a general-purpose authoritative DNS server that can serve as cluster DNS, complying with the [dns specifications]
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(https://github.com/kubernetes/dns/blob/master/docs/specification.md).
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-->
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CoreDNS是通用的权威DNS服务器，可以用作集群DNS，符合[dns 规范]
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(https://github.com/kubernetes/dns/blob/master/docs/specification.md)。
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<!--
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### CoreDNS ConfigMap options
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-->
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### CoreDNS ConfigMap 选项
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<!--
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CoreDNS is a DNS server that is modular and pluggable, and each plugin adds new functionality to CoreDNS.
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This can be configured by maintaining a [Corefile](https://coredns.io/2017/07/23/corefile-explained/), which is the CoreDNS
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configuration file. A cluster administrator can modify the ConfigMap for the CoreDNS Corefile to change how service discovery works.
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-->
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CoreDNS 是模块化且可插拔的 DNS 服务器，每个插件都为 CoreDNS 添加了新功能。
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可以通过维护[Corefile](https://coredns.io/2017/07/23/corefile-explained/)，即CoreDNS
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配置文件。 集群管理员可以修改 CoreDNS Corefile 的 ConfigMap，以更改服务发现的工作方式。
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<!--
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In Kubernetes, CoreDNS is installed with the following default Corefile configuration.
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-->
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在 Kubernetes 中，已经使用以下默认 Corefile 配置安装了 CoreDNS。
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```yaml
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apiVersion: v1
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||||
kind: ConfigMap
|
||||
metadata:
|
||||
name: coredns
|
||||
namespace: kube-system
|
||||
data:
|
||||
Corefile: |
|
||||
.:53 {
|
||||
errors
|
||||
health
|
||||
kubernetes cluster.local in-addr.arpa ip6.arpa {
|
||||
pods insecure
|
||||
upstream
|
||||
fallthrough in-addr.arpa ip6.arpa
|
||||
}
|
||||
prometheus :9153
|
||||
proxy ./etc/resolv.conf
|
||||
cache 30
|
||||
loop
|
||||
reload
|
||||
loadbalance
|
||||
}
|
||||
```
|
||||
<!--
|
||||
The Corefile configuration includes the following [plugins](https://coredns.io/plugins/) of CoreDNS:
|
||||
-->
|
||||
Corefile 配置包括以下 CoreDNS 的 [插件](https://coredns.io/plugins/)：
|
||||
|
||||
<!--
|
||||
* [errors](https://coredns.io/plugins/errors/): Errors are logged to stdout.
|
||||
* [health](https://coredns.io/plugins/health/): Health of CoreDNS is reported to http://localhost:8080/health.
|
||||
* [kubernetes](https://coredns.io/plugins/kubernetes/): CoreDNS will reply to DNS queries based on IP of the services and pods of Kubernetes. You can find more details [here](https://coredns.io/plugins/kubernetes/).
|
||||
-->
|
||||
* [错误](https://coredns.io/plugins/errors/)：错误记录到 stdout。
|
||||
* [健康](https://coredns.io/plugins/health/)：CoreDNS 的健康报告给 http://localhost:8080/health。
|
||||
* [kubernetes](https://coredns.io/plugins/kubernetes/)：CoreDNS 将基于 Kubernetes 的服务和 Pod 的 IP 答复 DNS 查询。 您可以在 [此处](https://coredns.io/plugins/kubernetes/).
|
||||
|
||||
<!--
|
||||
> The `pods insecure` option is provided for backward compatibility with kube-dns. You can use the `pods verified` option, which returns an A record only if there exists a pod in same namespace with matching IP. The `pods disabled` option can be used if you don't use pod records.
|
||||
-->
|
||||
>提供 `pods insecure` 选项是为了与 kube-dns 向前兼容。 您可以使用 `pods verified` 选项，该选项仅在相同名称空间中存在具有匹配 IP 的 pod 时才返回 A 记录。 如果您不使用 Pod 记录，则可以使用 `pods disabled` 选项。
|
||||
<!--
|
||||
`Upstream` is used for resolving services that point to external hosts (External Services).
|
||||
-->
|
||||
'Upstream' 用来解析指向外部主机的服务（外部服务）。
|
||||
|
||||
<!--
|
||||
* [prometheus](https://coredns.io/plugins/prometheus/): Metrics of CoreDNS are available at http://localhost:9153/metrics in [Prometheus](https://prometheus.io/) format.
|
||||
* [proxy](https://coredns.io/plugins/proxy/): Any queries that are not within the cluster domain of Kubernetes will be forwarded to predefined resolvers (/etc/resolv.conf).
|
||||
* [cache](https://coredns.io/plugins/cache/): This enables a frontend cache.
|
||||
* [loop](https://coredns.io/plugins/loop/): Detects simple forwarding loops and halts the CoreDNS process if a loop is found.
|
||||
* [reload](https://coredns.io/plugins/reload): Allows automatic reload of a changed Corefile. After you edit the ConfigMap configuration, allow two minutes for your changes to take effect.
|
||||
* [loadbalance](https://coredns.io/plugins/loadbalance): This is a round-robin DNS loadbalancer that randomizes the order of A, AAAA, and MX records in the answer.
|
||||
-->
|
||||
* [prometheus](https://coredns.io/plugins/prometheus/)：CoreDNS的度量标准以[Prometheus]（https://prometheus.io/）格式在 http://localhost:9153/metrics 上提供。
|
||||
* [proxy](https://coredns.io/plugins/proxy/): 不在 Kubernetes 集群域内的任何查询都将转发到预定义的解析器 (/etc/resolv.conf).
|
||||
* [cache](https://coredns.io/plugins/cache/)：这将启用前端缓存。
|
||||
* [loop](https://coredns.io/plugins/loop/)：检测到简单的转发循环，如果发现死循环，则中止 CoreDNS 进程。
|
||||
* [reload](https://coredns.io/plugins/reload)：允许自动重新加载已更改的 Corefile。 编辑 ConfigMap 配置后，请等待两分钟，以使更改生效。
|
||||
* [loadbalance](https://coredns.io/plugins/loadbalance)：这是一个轮询 DNS 负载均衡器，它在应答中随机分配 A，AAAA 和 MX 记录的顺序。
|
||||
|
||||
<!--
|
||||
You can modify the default CoreDNS behavior by modifying the ConfigMap.
|
||||
-->
|
||||
您可以通过修改 ConfigMap 来修改默认的 CoreDNS 行为。
|
||||
|
||||
<!--
|
||||
### Configuration of Stub-domain and upstream nameserver using CoreDNS
|
||||
-->
|
||||
### 使用 CoreDN 配置存根域和上游域名服务器
|
||||
|
||||
<!--
|
||||
CoreDNS has the ability to configure stubdomains and upstream nameservers using the [proxy plugin](https://coredns.io/plugins/proxy/). .
|
||||
-->
|
||||
CoreDNS 能够使用 [proxy plugin](https://coredns.io/plugins/proxy/). 配置存根域和上游域名服务器。
|
||||
|
||||
<!--
|
||||
#### Example
|
||||
If a cluster operator has a [Consul](https://www.consul.io/) domain server located at 10.150.0.1, and all Consul names have the suffix .consul.local. To configure it in CoreDNS, the cluster administrator creates the following stanza in the CoreDNS ConfigMap.
|
||||
-->
|
||||
#### 示例
|
||||
如果集群操作员的 [Consul](https://www.consul.io/) 域服务器位于 10.150.0.1，并且所有 Consul 名称都带有后缀.consul.local。 要在 CoreDNS 中对其进行配置，集群管理员可以在 CoreDNS 的 ConfigMap 中创建加入以下字段。
|
||||
|
||||
```
|
||||
consul.local:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 10.150.0.1
|
||||
}
|
||||
```
|
||||
|
||||
<!--
|
||||
To explicitly force all non-cluster DNS lookups to go through a specific nameserver at 172.16.0.1, point the `proxy` and `forward` to the nameserver instead of `/etc/resolv.conf`
|
||||
-->
|
||||
要显式强制所有非集群 DNS 查找通过特定的域名服务器（位于172.16.0.1），请将 `proxy` 和 `forward` 指向域名服务器，而不是 `/etc/resolv.conf`。
|
||||
|
||||
```
|
||||
proxy . 172.16.0.1
|
||||
```
|
||||
|
||||
<!--
|
||||
The final ConfigMap along with the default `Corefile` configuration looks like:
|
||||
-->
|
||||
最终的 ConfigMap 以及默认的 `Corefile` 配置如下所示：
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
kind: ConfigMap
|
||||
metadata:
|
||||
name: coredns
|
||||
namespace: kube-system
|
||||
data:
|
||||
Corefile: |
|
||||
.:53 {
|
||||
errors
|
||||
health
|
||||
kubernetes cluster.local in-addr.arpa ip6.arpa {
|
||||
pods insecure
|
||||
upstream 172.16.0.1
|
||||
fallthrough in-addr.arpa ip6.arpa
|
||||
}
|
||||
prometheus :9153
|
||||
proxy . 172.16.0.1
|
||||
cache 30
|
||||
loop
|
||||
reload
|
||||
loadbalance
|
||||
}
|
||||
consul.local:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 10.150.0.1
|
||||
}
|
||||
```
|
||||
<!--
|
||||
In Kubernetes version 1.10 and later, kubeadm supports automatic translation of the CoreDNS ConfigMap from the kube-dns ConfigMap.
|
||||
***Note: While kube-dns accepts an FQDN for stubdomain and nameserver (eg: ns.foo.com), CoreDNS does not support this feature.
|
||||
During translation, all FQDN nameservers will be omitted from the CoreDNS config.***
|
||||
-->
|
||||
在 Kubernetes 1.10 和更高版本中，kubeadm 支持将 kube-dns ConfigMap 自动转换为 CoreDNS ConfigMap。
|
||||
***注意：尽管kube-dns接受 stubdomain 和 nameserver 的 FQDN（例如：ns.foo.com），但 CoreDNS 不支持此功能。
|
||||
转换期间，CoreDNS 配置中将省略所有 FQDN 域名服务器。***
|
||||
|
||||
## Kube-dns
|
||||
|
||||
<!--
|
||||
Kube-dns is now available as an optional DNS server since CoreDNS is now the default.
|
||||
The running DNS Pod holds 3 containers:
|
||||
|
||||
- "`kubedns`": watches the Kubernetes master for changes
|
||||
in Services and Endpoints, and maintains in-memory lookup structures to serve
|
||||
DNS requests.
|
||||
- "`dnsmasq`": adds DNS caching to improve performance.
|
||||
- "`sidecar`": provides a single health check endpoint
|
||||
to perform healthchecks for `dnsmasq` and `kubedns`.
|
||||
-->
|
||||
由于 CoreDNS 现在是默认设置，因此 Kube-dns 现在可以用作可选的 DNS 服务器。
|
||||
正在运行的DNS Pod包含3个容器：
|
||||
|
||||
- "`kubedns`"：监测 Kubernetes 主节点的服务和 Endpoints 的更改，并维护内存中的查找结构以服务
|
||||
DNS 请求。
|
||||
- "`dnsmasq`"：添加 DNS 缓存以提高性能。
|
||||
- "`sidecar`"：提供单个运行状况检查端点，对 dnsmasq 和 Kubedns 进行健康检查。
|
||||
|
||||
<!--
|
||||
### Configure stub-domain and upstream DNS servers
|
||||
|
||||
Cluster administrators can specify custom stub domains and upstream nameservers
|
||||
by providing a ConfigMap for kube-dns (`kube-system:kube-dns`).
|
||||
|
||||
For example, the following ConfigMap sets up a DNS configuration with a single stub domain and two
|
||||
upstream nameservers:
|
||||
-->
|
||||
### 配置存根域和上游 DNS 服务器
|
||||
|
||||
集群管理员可以指定自定义存根域和上游域名服务器通过为 kube-dns (`kube-system:kube-dns`) 提供 ConfigMap。
|
||||
|
||||
例如，以下 ConfigMap 使用单个存根域和两个上游域名服务器设置 DNS 配置：
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
@@ -45,87 +321,143 @@ data:
|
||||
["8.8.8.8", "8.8.4.4"]
|
||||
```
|
||||
|
||||
<!--
|
||||
DNS requests with the “.acme.local” suffix
|
||||
are forwarded to a DNS listening at 1.2.3.4. Google Public DNS
|
||||
serves the upstream queries.
|
||||
|
||||
The table below describes how queries with certain domain names map to
|
||||
their destination DNS servers:
|
||||
|
||||
按如上说明，具有 “.acme.local” 后缀的 DNS 请求被转发到 DNS 1.2.3.4。Google 公共 DNS服务器 为上游查询提供服务。
|
||||
下表描述了具有特定域名的查询如何映射到它们的目标 DNS 服务器：
|
||||
|
||||
|
||||
| 域名 | 响应查询的服务器 |
|
||||
| Domain name | Server answering the query |
|
||||
| ----------- | -------------------------- |
|
||||
| kubernetes.default.svc.cluster.local| kube-dns |
|
||||
| foo.acme.local| 自定义 DNS (1.2.3.4) |
|
||||
| widget.com | 上游 DNS (8.8.8.8, 8.8.4.4，其中之一) |
|
||||
| foo.acme.local| custom DNS (1.2.3.4) |
|
||||
| widget.com | upstream DNS (one of 8.8.8.8, 8.8.4.4) |
|
||||
|
||||
See [ConfigMap options](#configmap-options) for
|
||||
details about the configuration option format.
|
||||
-->
|
||||
带 “.acme.local” 后缀的 DNS 请求 被转发到侦听 1.2.3.4 的 DNS。 通过 Google 公共 DNS 进行向上查询。
|
||||
|
||||
查看 [ConfigMap 选项](#configmap-options) 获取更多关于配置选项格式的详细信息。
|
||||
下表描述了具有特定域名的查询如何映射到
|
||||
其目标DNS服务器：
|
||||
|
||||
| 域名 | 服务器回答查询 |
|
||||
| ------------------ | -------------------------- |
|
||||
| kubernetes.default.svc.cluster.local | kube-dns |
|
||||
| foo.acme.local | 自定义 DNS（1.2.3.4）|
|
||||
| widget.com | 上游 DNS（8.8.8.8、8.8.4.4中的一个）|
|
||||
|
||||
请参见 [ConfigMap options](#configmap-options) 有关配置选项格式的详细信息。
|
||||
|
||||
{{% /capture %}}
|
||||
|
||||
{{% capture discussion %}}
|
||||
|
||||
<!--
|
||||
#### Effects on Pods
|
||||
|
||||
Custom upstream nameservers and stub domains do not affect Pods with a
|
||||
`dnsPolicy` set to "`Default`" or "`None`".
|
||||
-->
|
||||
#### 对 Pod 的影响
|
||||
|
||||
## 理解 Kubernetes 中名字解析
|
||||
自定义上游域名服务器和存根域不影响 `dnsPolicy` 设置为 "`Default`" 或 "`None`" 的 Pod。
|
||||
|
||||
可以为每个 Pod 设置 DNS 策略。
|
||||
当前 Kubernetes 支持两种 Pod 特定的 DNS 策略：“Default” 和 “ClusterFirst”。
|
||||
可以通过 `dnsPolicy` 标志来指定这些策略。
|
||||
*注意：“Default” 不是默认的 DNS 策略。如果没有显式地指定 `dnsPolicy`，将会使用 “ClusterFirst”。*
|
||||
<!--
|
||||
If a Pod's `dnsPolicy` is set to "`ClusterFirst`", its name resolution is
|
||||
handled differently, depending on whether stub-domain and upstream DNS servers
|
||||
are configured.
|
||||
-->
|
||||
如果 Pod 的 `dnsPolicy` 设置为 "`ClusterFirst`"，则根据是否配置了存根域和上游 DNS 服务器来不同地处理其名称解析。
|
||||
|
||||
<!--
|
||||
**Without custom configurations**: Any query that does not match the configured
|
||||
cluster domain suffix, such as "www.kubernetes.io", is forwarded to the upstream
|
||||
nameserver inherited from the node.
|
||||
|
||||
**With custom configurations**: If stub domains and upstream DNS servers are
|
||||
configured,
|
||||
DNS queries are routed according to the following flow:
|
||||
|
||||
### "Default" DNS 策略
|
||||
1. The query is first sent to the DNS caching layer in kube-dns.
|
||||
|
||||
如果 `dnsPolicy` 被设置为 “Default”，则名字解析配置会继承自 Pod 运行所在的节点。
|
||||
自定义上游域名服务器和存根域不能够与这个策略一起使用。
|
||||
1. From the caching layer, the suffix of the request is examined and then
|
||||
forwarded to the appropriate DNS, based on the following cases:
|
||||
|
||||
* *Names with the cluster suffix*, for example ".cluster.local":
|
||||
The request is sent to kube-dns.
|
||||
|
||||
* *Names with the stub domain suffix*, for example ".acme.local":
|
||||
The request is sent to the configured custom DNS resolver, listening for example at 1.2.3.4.
|
||||
|
||||
### "ClusterFirst" DNS 策略
|
||||
* *Names without a matching suffix*, for example "widget.com":
|
||||
The request is forwarded to the upstream DNS,
|
||||
for example Google public DNS servers at 8.8.8.8 and 8.8.4.4.
|
||||
-->
|
||||
**不使用自定义配置**：任何与配置不匹配的查询
|
||||
集群域后缀（例如 "www.kubernetes.io"）将转发到从节点继承的上游域名服务器。
|
||||
|
||||
如果 `dnsPolicy` 被设置为 "ClusterFirst"，处理名字解析有所不同，*依赖于是否配置了存根域和上游 DNS 服务器*。
|
||||
**使用自定义配置**：如果存根域和上游 DNS 服务器
|
||||
配置完成后，DNS 查询将按照以下流程进行路由：：
|
||||
|
||||
**未进行自定义配置**：没有匹配上配置的集群域名后缀的任何请求，例如 “www.kubernetes.io”，将会被转发到继承自节点的上游域名服务器。
|
||||
1.首先将查询发送到 kube-dns 中的 DNS 缓存层。
|
||||
|
||||
**进行自定义配置**：如果配置了存根域和上游 DNS 服务器（类似于 [前面示例](#configuring-stub-domain-and-upstream-dns-servers) 配置的内容），DNS 查询将基于下面的流程对请求进行路由：
|
||||
1.在以下情况下，从缓存层检查请求的后缀，然后将其转发到适当的 DNS：：
|
||||
|
||||
* *带集群后缀的名称*，例如 ".cluster.local"：
|
||||
该请求被发送到 kube-dns。
|
||||
|
||||
* *带存根域名后缀的名称*，例如 ".acme.local"：
|
||||
该请求将发送到已配置的自定义 DNS 解析器，例如在 1.2.3.4 处进行侦听。
|
||||
|
||||
1. 查询首先被发送到 kube-dns 中的 DNS 缓存层。
|
||||
* *名称没有匹配的后缀*，例如 "widget.com"：
|
||||
该请求被转发到上游 DNS，
|
||||
例如位于 8.8.8.8 和 8.8.4.4 的 Google 公共 DNS 服务器。
|
||||
|
||||
1. 从缓存层，检查请求的后缀，并根据下面的情况转发到对应的 DNS 上：
|
||||
<!--
|
||||
|
||||
-->
|
||||
|
||||
|
||||
* *具有集群后缀的名字*（例如 ".cluster.local"）：请求被发送到 kube-dns。
|
||||
<!--
|
||||
### ConfigMap options
|
||||
-->
|
||||
### ConfigMap 选项
|
||||
|
||||
* *具有存根域后缀的名字*（例如 ".acme.local"）：请求被发送到配置的自定义 DNS 解析器（例如：监听在 1.2.3.4）。
|
||||
<!--
|
||||
Options for the kube-dns `kube-system:kube-dns` ConfigMap:
|
||||
|
||||
* *未能匹配上后缀的名字*（例如 "widget.com"）：请求被转发到上游 DNS（例如：Google 公共 DNS 服务器，8.8.8.8 和 8.8.4.4）。
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
## ConfigMap 选项
|
||||
|
||||
kube-dns `kube-system:kube-dns` 对应的 ConfigMap 选项如下所示：
|
||||
|
||||
| 字段 | 格式 | 描述 |
|
||||
| Field | Format | Description |
|
||||
| ----- | ------ | ----------- |
|
||||
| `stubDomains`（可选）| 使用 DNS 后缀作为键（例如 “acme.local”）的 JSON map，以及由 DNS IP 的 JSON 数组组成的值。 | 目标域名服务器可能是一个 Kubernetes Service。例如，可以运行自己的 dnsmasq 副本，将 DNS 名字暴露到 ClusterDNS namespace 中。|
|
||||
| `upstreamNameservers`（可选）| DNS IP 的 JSON 数组。 | 注意：如果指定，则指定的值会替换掉被默认从节点的 `/etc/resolv.conf` 中获取到的域名服务器。限制：最多可以指定三个上游域名服务器。|
|
||||
| `stubDomains` (optional) | A JSON map using a DNS suffix key such as “acme.local”, and a value consisting of a JSON array of DNS IPs. | The target nameserver can itself be a Kubernetes Service. For instance, you can run your own copy of dnsmasq to export custom DNS names into the ClusterDNS namespace. |
|
||||
| `upstreamNameservers` (optional) | A JSON array of DNS IPs. | If specified, the values replace the nameservers taken by default from the node’s `/etc/resolv.conf`. Limits: a maximum of three upstream nameservers can be specified. |
|
||||
-->
|
||||
kube-dns `kube-system:kube-dns` 的 ConfigMap 选项：
|
||||
|
||||
| 领域 | 格式 | 描述 |
|
||||
| ----- | ------ | ----------- |
|
||||
| `stubDomains`（可选）| 使用 DNS 后缀键（例如“ acme.local”）和由 DNS IP 的 JSON 数组组成的值的 JSON 映射。 | 目标域名服务器本身可以是 Kubernetes 服务。 例如，您可以运行自己的 dnsmasq 副本，以将自定义 DNS 名称导出到 ClusterDNS 命名空间中。 |
|
||||
| `upstreamNameservers`（可选）| DNS IP的 JSON 数组。 | 如果指定，则这些值替换默认情况下从节点的 `/etc/resolv.conf` 中获取的域名服务器。 限制：最多可以指定三个上游域名服务器。 |
|
||||
|
||||
<!--
|
||||
#### Examples
|
||||
|
||||
## 附加示例
|
||||
##### Example: Stub domain
|
||||
|
||||
### 示例：存根域
|
||||
In this example, the user has a Consul DNS service discovery system they want to
|
||||
integrate with kube-dns. The consul domain server is located at 10.150.0.1, and
|
||||
all consul names have the suffix `.consul.local`. To configure Kubernetes, the
|
||||
cluster administrator creates the following ConfigMap:
|
||||
-->
|
||||
#### 例子
|
||||
|
||||
在这个例子中，用户有一个 Consul DNS 服务发现系统，他们希望能够与 kube-dns 集成起来。
|
||||
Consul 域名服务器地址为 10.150.0.1，所有的 Consul 名字具有后缀 “.consul.local”。
|
||||
要配置 Kubernetes，集群管理员只需要简单地创建一个 ConfigMap 对象，如下所示：
|
||||
##### 示例：存根域
|
||||
|
||||
```yaml
|
||||
在此示例中，用户具有他们想与 kube-dns 集成的 Consul DNS 服务发现系统。 consul 域服务器位于 10.150.0.1，所有领事名称均带有后缀 `.consul.local`。 要配置 Kubernetes，集群管理员将创建以下 ConfigMap：
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
kind: ConfigMap
|
||||
metadata:
|
||||
@@ -134,15 +466,26 @@ metadata:
|
||||
data:
|
||||
stubDomains: |
|
||||
{"consul.local": ["10.150.0.1"]}
|
||||
```
|
||||
```
|
||||
|
||||
注意，集群管理员不希望覆盖节点的上游域名服务器，所以他们不会指定可选的 `upstreamNameservers` 字段。
|
||||
<!--
|
||||
Note that the cluster administrator does not want to override the node’s
|
||||
upstream nameservers, so they did not specify the optional
|
||||
`upstreamNameservers` field.
|
||||
|
||||
##### Example: Upstream nameserver
|
||||
|
||||
### 示例：上游域名服务器
|
||||
In this example the cluster administrator wants to explicitly force all
|
||||
non-cluster DNS lookups to go through their own nameserver at 172.16.0.1.
|
||||
In this case, they create a ConfigMap with the
|
||||
`upstreamNameservers` field specifying the desired nameserver:
|
||||
-->
|
||||
需要注意的是集群管理员不希望覆盖节点的上游域名服务器，所以他们没有指定可选的 `upstreamNameservers` 字段。
|
||||
|
||||
##### 示例： 上游域名服务器
|
||||
|
||||
在此示例中，集群管理员希望显式强制所有非集群 DNS 查找通过其自己的域名服务器172.16.0.1）。 在这种情况下，他们使用指定所需域名服务器的 `upstreamNameservers` 字段创建一个 ConfigMap：
|
||||
|
||||
在这个示例中，集群管理员不希望显式地强制所有非集群 DNS 查询进入到他们自己的域名服务器 172.16.0.1。
|
||||
而且这很容易实现：他们只需要创建一个 ConfigMap，`upstreamNameservers` 字段指定期望的域名服务器即可：
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
@@ -157,4 +500,113 @@ data:
|
||||
|
||||
{{% /capture %}}
|
||||
|
||||
<!--
|
||||
## CoreDNS configuration equivalent to kube-dns
|
||||
|
||||
CoreDNS supports the features of kube-dns and more.
|
||||
A ConfigMap created for kube-dns to support `StubDomains`and `upstreamNameservers` translates to the `proxy` plugin in CoreDNS.
|
||||
Similarly, the `Federations` plugin in kube-dns translates to the `federation` plugin in CoreDNS.
|
||||
|
||||
### Example
|
||||
|
||||
This example ConfigMap for kubedns specifies federations, stubdomains and upstreamnameservers:
|
||||
-->
|
||||
## CoreDNS 配置等同于 kube-dns
|
||||
|
||||
CoreDNS 不仅仅提供 kube-dns 的功能。
|
||||
为 kube-dns 创建的 ConfigMap 支持 `StubDomains` 和 `upstreamNameservers` 转换为 CoreDNS 中的 `proxy` 插件。
|
||||
同样，kube-dns 中的 `Federations` 插件会转换为 CoreDNS 中的 `federation` 插件。
|
||||
|
||||
### 示例
|
||||
|
||||
用于 kubedns 的此示例 ConfigMap 描述了 federations, stubdomains and upstreamnameservers：
|
||||
|
||||
```yaml
|
||||
apiVersion: v1
|
||||
data:
|
||||
federations: |
|
||||
{"foo" : "foo.feddomain.com"}
|
||||
stubDomains: |
|
||||
{"abc.com" : ["1.2.3.4"], "my.cluster.local" : ["2.3.4.5"]}
|
||||
upstreamNameservers: |
|
||||
["8.8.8.8", "8.8.4.4"]
|
||||
kind: ConfigMap
|
||||
```
|
||||
|
||||
<!--
|
||||
The equivalent configuration in CoreDNS creates a Corefile:
|
||||
-->
|
||||
CoreDNS 中的等效配置将创建一个 Corefile：
|
||||
|
||||
* For federations:
|
||||
```yaml
|
||||
federation cluster.local {
|
||||
foo foo.feddomain.com
|
||||
}
|
||||
```
|
||||
|
||||
* For stubDomains:
|
||||
```yaml
|
||||
abc.com:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 1.2.3.4
|
||||
}
|
||||
my.cluster.local:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 2.3.4.5
|
||||
}
|
||||
```
|
||||
|
||||
<!--
|
||||
The complete Corefile with the default plugins:
|
||||
-->
|
||||
带有默认插件的完整 Corefile：
|
||||
|
||||
```yaml
|
||||
.:53 {
|
||||
errors
|
||||
health
|
||||
kubernetes cluster.local in-addr.arpa ip6.arpa {
|
||||
upstream 8.8.8.8 8.8.4.4
|
||||
pods insecure
|
||||
fallthrough in-addr.arpa ip6.arpa
|
||||
}
|
||||
federation cluster.local {
|
||||
foo foo.feddomain.com
|
||||
}
|
||||
prometheus :9153
|
||||
proxy . 8.8.8.8 8.8.4.4
|
||||
cache 30
|
||||
}
|
||||
abc.com:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 1.2.3.4
|
||||
}
|
||||
my.cluster.local:53 {
|
||||
errors
|
||||
cache 30
|
||||
proxy . 2.3.4.5
|
||||
}
|
||||
```
|
||||
|
||||
<!--
|
||||
## Migration to CoreDNS
|
||||
|
||||
To migrate from kube-dns to CoreDNS, [a detailed blog](https://coredns.io/2018/05/21/migration-from-kube-dns-to-coredns/) is available to help users adapt CoreDNS in place of kube-dns.
|
||||
A cluster administrator can also migrate using [the deploy script](https://github.com/coredns/deployment/blob/master/kubernetes/deploy.sh).
|
||||
|
||||
## What's next
|
||||
- [Debugging DNS Resolution](/docs/tasks/administer-cluster/dns-debugging-resolution/).
|
||||
```
|
||||
-->
|
||||
## 迁移到 CoreDNS
|
||||
|
||||
要将 kube-dns 迁移到 CoreDNS，可使用 [详细博客](https://coredns.io/2018/05/21/migration-from-kube-dns-to-coredns/) 来帮助用户在迁移自 kube-dns。
|
||||
集群管理员还可以使用[部署脚本](https://github.com/coredns/deployment/blob/master/kubernetes/deploy.sh) 进行迁移。
|
||||
|
||||
＃＃ 下一步是什么
|
||||
- [调试 DNS 解析](/docs/tasks/administer-cluster/dns-debugging-resolution/)。
|
||||
```
|
||||
|
||||
Reference in New Issue
Block a user