#查看etcd pod

kubectl get pod -n kube-system | grep etcd


#进入etcd pod

kubectl exec -it -n kube-system etcd-node1.com sh

#设置etcdctl 使用的版本，k8s中使用v3版本
export ETCDCTL_API=3

#查询etcd中所有的key

etcdctl --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/healthcheck-client.crt --key=/etc/kubernetes/pki/etcd/healthche
  ck-client.key get / --prefix --keys-only

/ # ETCDCTL_API= etcdctl --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/healthch

eck-client.crt --key=/etc/kubernetes/pki/etcd/healthcheck-client.key get / --prefix --keys-only

/registry/apiregistration.k8s.io/apiservices/v1.

/registry/apiregistration.k8s.io/apiservices/v1.apps

/registry/apiregistration.k8s.io/apiservices/v1.authentication.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1.authorization.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1.autoscaling

/registry/apiregistration.k8s.io/apiservices/v1.batch

/registry/apiregistration.k8s.io/apiservices/v1.networking.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1.rbac.authorization.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1.storage.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.admissionregistration.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.apiextensions.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.apps

/registry/apiregistration.k8s.io/apiservices/v1beta1.authentication.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.authorization.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.batch

/registry/apiregistration.k8s.io/apiservices/v1beta1.certificates.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.events.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.extensions

/registry/apiregistration.k8s.io/apiservices/v1beta1.policy

/registry/apiregistration.k8s.io/apiservices/v1beta1.rbac.authorization.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.scheduling.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta1.storage.k8s.io

/registry/apiregistration.k8s.io/apiservices/v1beta2.apps

/registry/apiregistration.k8s.io/apiservices/v2beta1.autoscaling

/registry/clusterrolebindings/cluster-admin

/registry/clusterrolebindings/flannel

/registry/clusterrolebindings/heapster

/registry/clusterrolebindings/kubeadm:kubelet-bootstrap

/registry/clusterrolebindings/kubeadm:node-autoapprove-bootstrap

/registry/clusterrolebindings/kubeadm:node-autoapprove-certificate-rotation

/registry/clusterrolebindings/kubeadm:node-proxier

/registry/clusterrolebindings/kubernetes-dashboard

/registry/clusterrolebindings/myname-cluster-admin-binding

/registry/clusterrolebindings/nginx-ingress-clusterrole-nisa-binding

/registry/clusterrolebindings/system:aws-cloud-provider

/registry/clusterrolebindings/system:basic-user

/registry/clusterrolebindings/system:controller:attachdetach-controller

/registry/clusterrolebindings/system:controller:certificate-controller

/registry/clusterrolebindings/system:controller:clusterrole-aggregation-controller

/registry/clusterrolebindings/system:controller:cronjob-controller

/registry/clusterrolebindings/system:controller:daemon-set-controller

/registry/clusterrolebindings/system:controller:deployment-controller

/registry/clusterrolebindings/system:controller:disruption-controller

/registry/clusterrolebindings/system:controller:endpoint-controller

/registry/clusterrolebindings/system:controller:expand-controller

/registry/clusterrolebindings/system:controller:generic-garbage-collector

/registry/clusterrolebindings/system:controller:horizontal-pod-autoscaler

/registry/clusterrolebindings/system:controller:job-controller

/registry/clusterrolebindings/system:controller:namespace-controller

/registry/clusterrolebindings/system:controller:node-controller

/registry/clusterrolebindings/system:controller:persistent-volume-binder

/registry/clusterrolebindings/system:controller:pod-garbage-collector

/registry/clusterrolebindings/system:controller:pv-protection-controller

/registry/clusterrolebindings/system:controller:pvc-protection-controller

/registry/clusterrolebindings/system:controller:replicaset-controller

/registry/clusterrolebindings/system:controller:replication-controller

/registry/clusterrolebindings/system:controller:resourcequota-controller

/registry/clusterrolebindings/system:controller:route-controller

/registry/clusterrolebindings/system:controller:service-account-controller

/registry/clusterrolebindings/system:controller:service-controller

/registry/clusterrolebindings/system:controller:statefulset-controller

/registry/clusterrolebindings/system:controller:ttl-controller

/registry/clusterrolebindings/system:coredns

/registry/clusterrolebindings/system:discovery

/registry/clusterrolebindings/system:kube-controller-manager

/registry/clusterrolebindings/system:kube-dns

/registry/clusterrolebindings/system:kube-scheduler

/registry/clusterrolebindings/system:node

/registry/clusterrolebindings/system:node-proxier

/registry/clusterrolebindings/system:volume-scheduler

/registry/clusterroles/admin

/registry/clusterroles/cluster-admin

/registry/clusterroles/edit

/registry/clusterroles/flannel

/registry/clusterroles/nginx-ingress-clusterrole

/registry/clusterroles/system:aggregate-to-admin

/registry/clusterroles/system:aggregate-to-edit

/registry/clusterroles/system:aggregate-to-view

/registry/clusterroles/system:auth-delegator

/registry/clusterroles/system:aws-cloud-provider

/registry/clusterroles/system:basic-user

/registry/clusterroles/system:certificates.k8s.io:certificatesigningrequests:nodeclient

/registry/clusterroles/system:certificates.k8s.io:certificatesigningrequests:selfnodeclient

/registry/clusterroles/system:controller:attachdetach-controller

/registry/clusterroles/system:controller:certificate-controller

/registry/clusterroles/system:controller:clusterrole-aggregation-controller

/registry/clusterroles/system:controller:cronjob-controller

/registry/clusterroles/system:controller:daemon-set-controller

/registry/clusterroles/system:controller:deployment-controller

/registry/clusterroles/system:controller:disruption-controller

/registry/clusterroles/system:controller:endpoint-controller

/registry/clusterroles/system:controller:expand-controller

/registry/clusterroles/system:controller:generic-garbage-collector

/registry/clusterroles/system:controller:horizontal-pod-autoscaler

/registry/clusterroles/system:controller:job-controller

/registry/clusterroles/system:controller:namespace-controller

/registry/clusterroles/system:controller:node-controller

/registry/clusterroles/system:controller:persistent-volume-binder

/registry/clusterroles/system:controller:pod-garbage-collector

/registry/clusterroles/system:controller:pv-protection-controller

/registry/clusterroles/system:controller:pvc-protection-controller

/registry/clusterroles/system:controller:replicaset-controller

/registry/clusterroles/system:controller:replication-controller

/registry/clusterroles/system:controller:resourcequota-controller

/registry/clusterroles/system:controller:route-controller

/registry/clusterroles/system:controller:service-account-controller

/registry/clusterroles/system:controller:service-controller

/registry/clusterroles/system:controller:statefulset-controller

/registry/clusterroles/system:controller:ttl-controller

/registry/clusterroles/system:coredns

/registry/clusterroles/system:csi-external-attacher

/registry/clusterroles/system:csi-external-provisioner

/registry/clusterroles/system:discovery

/registry/clusterroles/system:heapster

/registry/clusterroles/system:kube-aggregator

/registry/clusterroles/system:kube-controller-manager

/registry/clusterroles/system:kube-dns

/registry/clusterroles/system:kube-scheduler

/registry/clusterroles/system:kubelet-api-admin

/registry/clusterroles/system:node

/registry/clusterroles/system:node-bootstrapper

/registry/clusterroles/system:node-problem-detector

/registry/clusterroles/system:node-proxier

/registry/clusterroles/system:persistent-volume-provisioner

/registry/clusterroles/system:volume-scheduler

/registry/clusterroles/view

/registry/configmaps/kube-public/cluster-info

/registry/configmaps/kube-system/coredns

/registry/configmaps/kube-system/extension-apiserver-authentication

/registry/configmaps/kube-system/ingress-controller-leader-nginx

/registry/configmaps/kube-system/kube-flannel-cfg

/registry/configmaps/kube-system/kube-proxy

/registry/configmaps/kube-system/kubeadm-config

/registry/configmaps/kube-system/kubelet-config-1.11

/registry/configmaps/kube-system/kubernetes-dashboard-settings

/registry/controllerrevisions/kube-system/kube-flannel-ds-76dc9b4577

/registry/controllerrevisions/kube-system/kube-proxy-799497d975

/registry/daemonsets/kube-system/kube-flannel-ds

/registry/daemonsets/kube-system/kube-proxy

/registry/deployments/default/file-server

/registry/deployments/default/my--game

/registry/deployments/default/nginx-deployment

/registry/deployments/default/wordpress

/registry/deployments/dev/nginx-deployment

/registry/deployments/kube-system/coredns

/registry/deployments/kube-system/default-http-backend

/registry/deployments/kube-system/heapster

/registry/deployments/kube-system/kubernetes-dashboard

/registry/deployments/kube-system/monitoring-grafana

/registry/deployments/kube-system/monitoring-influxdb

/registry/deployments/kube-system/nginx-ingress-controller

/registry/deployments/prod/my--game

/registry/deployments/vnc/centos-vnc

/registry/ingress/default/my2048-ingress

/registry/ingress/default/wordpress-ingress

/registry/ingress/kube-system/grafana-heapster-ingress

/registry/ingress/vnc/centos-vnc-ingress

/registry/masterleases/172.31.2.130

/registry/minions/harbor

/registry/minions/node1.com

/registry/minions/node2.com

/registry/namespaces/default

/registry/namespaces/dev

/registry/namespaces/kube-public

/registry/namespaces/kube-system

/registry/namespaces/prod

/registry/namespaces/vnc

/registry/pods/default/file-server-c996dd78d-5x5ks

/registry/pods/default/file-server-c996dd78d-8w4x7

/registry/pods/default/file-server-c996dd78d-vmg9k

/registry/pods/default/my--game-789f4fb6b5-ln8md

/registry/pods/default/my--game-789f4fb6b5-rjhj2

/registry/pods/default/my--game-789f4fb6b5-sntnz

/registry/pods/default/nginx-deployment-67594d6bf6-jxsml

/registry/pods/default/nginx-deployment-67594d6bf6-rg62t

/registry/pods/default/nginx-deployment-67594d6bf6-wrmrk

/registry/pods/default/wordpress-8446c9cf6-f6tsp

/registry/pods/default/wordpress-8446c9cf6-l8sxg

/registry/pods/default/wordpress-8446c9cf6-t6c27

/registry/pods/dev/nginx-deployment-67594d6bf6-hhj65

/registry/pods/dev/nginx-deployment-67594d6bf6-wdgfx

/registry/pods/dev/nginx-deployment-67594d6bf6-wqcvl

/registry/pods/kube-system/coredns-78fcdf6894-5bwc7

/registry/pods/kube-system/coredns-78fcdf6894-x79ww

/registry/pods/kube-system/default-http-backend-784cf5f7b5-p9mcd

/registry/pods/kube-system/etcd-node1.com

/registry/pods/kube-system/heapster-94b5876d8-bfr9n

/registry/pods/kube-system/kube-apiserver-node1.com

/registry/pods/kube-system/kube-controller-manager-node1.com

/registry/pods/kube-system/kube-flannel-ds-8zcwd

/registry/pods/kube-system/kube-flannel-ds-fmngg

/registry/pods/kube-system/kube-flannel-ds-gldqx

/registry/pods/kube-system/kube-proxy-8gp2k

/registry/pods/kube-system/kube-proxy-szb9p

/registry/pods/kube-system/kube-proxy-tq7d7

/registry/pods/kube-system/kube-scheduler-node1.com

/registry/pods/kube-system/monitoring-grafana-555545f477-wwtfc

/registry/pods/kube-system/monitoring-influxdb-56b597d5c5-fklp2

/registry/pods/kube-system/nginx-ingress-controller-84b8b6df66-

/registry/pods/prod/my--game-789f4fb6b5-6nl8n

/registry/pods/prod/my--game-789f4fb6b5-j59hq

/registry/pods/prod/my--game-789f4fb6b5-xx2vb

/registry/pods/vnc/centos-vnc-6b78b444cb-78b4p

/registry/pods/vnc/centos-vnc-6b78b444cb-k8cbk

/registry/pods/vnc/centos-vnc-6b78b444cb-tzz6h

/registry/priorityclasses/system-cluster-critical

/registry/priorityclasses/system-node-critical

/registry/ranges/serviceips

/registry/ranges/servicenodeports

/registry/replicasets/default/file-server-56d5768d64

/registry/replicasets/default/file-server-67599974c

/registry/replicasets/default/file-server-6f8d766c4c

/registry/replicasets/default/file-server-757c55c4b5

/registry/replicasets/default/file-server-c996dd78d

/registry/replicasets/default/my--game-789f4fb6b5

/registry/replicasets/default/nginx-deployment-67594d6bf6

/registry/replicasets/default/wordpress-8446c9cf6

/registry/replicasets/dev/nginx-deployment-67594d6bf6

/registry/replicasets/kube-system/coredns-78fcdf6894

/registry/replicasets/kube-system/default-http-backend-64fbd8d86b

/registry/replicasets/kube-system/default-http-backend-784cf5f7b5

/registry/replicasets/kube-system/default-http-backend-79688b458

/registry/replicasets/kube-system/heapster-5f448ddd75

/registry/replicasets/kube-system/heapster-84c9bc48c4

/registry/replicasets/kube-system/heapster-94b5876d8

/registry/replicasets/kube-system/heapster-b66cc49c9

/registry/replicasets/kube-system/kubernetes-dashboard-55cb6ff5d8

/registry/replicasets/kube-system/kubernetes-dashboard-5dc976bbb6

/registry/replicasets/kube-system/kubernetes-dashboard-785dc75899

/registry/replicasets/kube-system/kubernetes-dashboard-b644d546b

/registry/replicasets/kube-system/monitoring-grafana-555545f477

/registry/replicasets/kube-system/monitoring-influxdb-56b597d5c5

/registry/replicasets/kube-system/monitoring-influxdb-848b9b66f6

/registry/replicasets/kube-system/nginx-ingress-controller-6b689b677c

/registry/replicasets/kube-system/nginx-ingress-controller-7468c988fd

/registry/replicasets/kube-system/nginx-ingress-controller-764bc95d75

/registry/replicasets/kube-system/nginx-ingress-controller-84b8b6df66

/registry/replicasets/prod/my--game-789f4fb6b5

/registry/replicasets/vnc/centos-vnc-6b78b444cb

/registry/replicasets/vnc/centos-vnc-6d6f7d995b

/registry/replicasets/vnc/centos-vnc-79d64c566c

/registry/rolebindings/kube-public/kubeadm:bootstrap-signer-clusterinfo

/registry/rolebindings/kube-public/system:controller:bootstrap-signer

/registry/rolebindings/kube-system/kubeadm:kubelet-config-1.11

/registry/rolebindings/kube-system/kubernetes-dashboard-minimal

/registry/rolebindings/kube-system/nginx-ingress-role-nisa-binding

/registry/rolebindings/kube-system/system::leader-locking-kube-controller-manager

/registry/rolebindings/kube-system/system::leader-locking-kube-scheduler

/registry/rolebindings/kube-system/system:controller:bootstrap-signer

/registry/rolebindings/kube-system/system:controller:cloud-provider

/registry/rolebindings/kube-system/system:controller:token-cleaner

/registry/roles/kube-public/kubeadm:bootstrap-signer-clusterinfo

/registry/roles/kube-public/system:controller:bootstrap-signer

/registry/roles/kube-system/extension-apiserver-authentication-reader

/registry/roles/kube-system/kubeadm:kubelet-config-1.11

/registry/roles/kube-system/kubernetes-dashboard-minimal

/registry/roles/kube-system/nginx-ingress-role

/registry/roles/kube-system/system::leader-locking-kube-controller-manager

/registry/roles/kube-system/system::leader-locking-kube-scheduler

/registry/roles/kube-system/system:controller:bootstrap-signer

/registry/roles/kube-system/system:controller:cloud-provider

/registry/roles/kube-system/system:controller:token-cleaner

/registry/secrets/default/default-token-8gfqd

/registry/secrets/dev/default-token-msmn2

/registry/secrets/kube-public/default-token-nzxfk

/registry/secrets/kube-system/attachdetach-controller-token-td9wn

/registry/secrets/kube-system/bootstrap-signer-token-792zx

/registry/secrets/kube-system/certificate-controller-token-zvzbg

/registry/secrets/kube-system/clusterrole-aggregation-controller-token-55jxn

/registry/secrets/kube-system/coredns-token-7c969

/registry/secrets/kube-system/cronjob-controller-token-f6l48

/registry/secrets/kube-system/daemon-set-controller-token-vll7s

/registry/secrets/kube-system/default-token-wzc9x

/registry/secrets/kube-system/deployment-controller-token-5x5pr

/registry/secrets/kube-system/disruption-controller-token-wq4pl

/registry/secrets/kube-system/endpoint-controller-token-lppdn

/registry/secrets/kube-system/expand-controller-token-ztwbf

/registry/secrets/kube-system/flannel-token-cv7ns

/registry/secrets/kube-system/generic-garbage-collector-token-qd77g

/registry/secrets/kube-system/heapster-token-l86rd

/registry/secrets/kube-system/horizontal-pod-autoscaler-token-wr89w

/registry/secrets/kube-system/job-controller-token-fdz4s

/registry/secrets/kube-system/kube-proxy-token-67qq2

/registry/secrets/kube-system/kubernetes-dashboard-certs

/registry/secrets/kube-system/kubernetes-dashboard-key-holder

/registry/secrets/kube-system/kubernetes-dashboard-token-kzskq

/registry/secrets/kube-system/namespace-controller-token-7g9hz

/registry/secrets/kube-system/nginx-ingress-serviceaccount-token-wk7qn

/registry/secrets/kube-system/node-controller-token-l79zz

/registry/secrets/kube-system/persistent-volume-binder-token-fmcvj

/registry/secrets/kube-system/pod-garbage-collector-token-znhqv

/registry/secrets/kube-system/pv-protection-controller-token-7znm7

/registry/secrets/kube-system/pvc-protection-controller-token-b4pdl

/registry/secrets/kube-system/replicaset-controller-token-js7pw

/registry/secrets/kube-system/replication-controller-token-bms7t

/registry/secrets/kube-system/resourcequota-controller-token-498vv

/registry/secrets/kube-system/service-account-controller-token-8tmzt

/registry/secrets/kube-system/service-controller-token-hhrwb

/registry/secrets/kube-system/statefulset-controller-token-j9st2

/registry/secrets/kube-system/token-cleaner-token-8csjg

/registry/secrets/kube-system/ttl-controller-token-nss47

/registry/secrets/prod/default-token-g7gvk

/registry/secrets/vnc/default-token-2m2s5

/registry/serviceaccounts/default/default

/registry/serviceaccounts/dev/default

/registry/serviceaccounts/kube-public/default

/registry/serviceaccounts/kube-system/attachdetach-controller

/registry/serviceaccounts/kube-system/bootstrap-signer

/registry/serviceaccounts/kube-system/certificate-controller

/registry/serviceaccounts/kube-system/clusterrole-aggregation-controller

/registry/serviceaccounts/kube-system/coredns

/registry/serviceaccounts/kube-system/cronjob-controller

/registry/serviceaccounts/kube-system/daemon-set-controller

/registry/serviceaccounts/kube-system/default

/registry/serviceaccounts/kube-system/deployment-controller

/registry/serviceaccounts/kube-system/disruption-controller

/registry/serviceaccounts/kube-system/endpoint-controller

/registry/serviceaccounts/kube-system/expand-controller

/registry/serviceaccounts/kube-system/flannel

/registry/serviceaccounts/kube-system/generic-garbage-collector

/registry/serviceaccounts/kube-system/heapster

/registry/serviceaccounts/kube-system/horizontal-pod-autoscaler

/registry/serviceaccounts/kube-system/job-controller

/registry/serviceaccounts/kube-system/kube-proxy

/registry/serviceaccounts/kube-system/kubernetes-dashboard

/registry/serviceaccounts/kube-system/namespace-controller

/registry/serviceaccounts/kube-system/nginx-ingress-serviceaccount

/registry/serviceaccounts/kube-system/node-controller

/registry/serviceaccounts/kube-system/persistent-volume-binder

/registry/serviceaccounts/kube-system/pod-garbage-collector

/registry/serviceaccounts/kube-system/pv-protection-controller

/registry/serviceaccounts/kube-system/pvc-protection-controller

/registry/serviceaccounts/kube-system/replicaset-controller

/registry/serviceaccounts/kube-system/replication-controller

/registry/serviceaccounts/kube-system/resourcequota-controller

/registry/serviceaccounts/kube-system/service-account-controller

/registry/serviceaccounts/kube-system/service-controller

/registry/serviceaccounts/kube-system/statefulset-controller

/registry/serviceaccounts/kube-system/token-cleaner

/registry/serviceaccounts/kube-system/ttl-controller

/registry/serviceaccounts/prod/default

/registry/serviceaccounts/vnc/default

/registry/services/endpoints/default/file-server

/registry/services/endpoints/default/kubernetes

/registry/services/endpoints/default/my--game

/registry/services/endpoints/default/nginx-deployment

/registry/services/endpoints/kube-system/default-http-backend

/registry/services/endpoints/kube-system/heapster

/registry/services/endpoints/kube-system/kube-controller-manager

/registry/services/endpoints/kube-system/kube-dns

/registry/services/endpoints/kube-system/kube-scheduler

/registry/services/endpoints/kube-system/kubernetes-dashboard

/registry/services/endpoints/kube-system/monitoring-grafana

/registry/services/endpoints/kube-system/monitoring-influxdb

/registry/services/endpoints/vnc/centos-vnc

/registry/services/specs/default/file-server

/registry/services/specs/default/kubernetes

/registry/services/specs/default/my--game

/registry/services/specs/default/nginx-deployment

/registry/services/specs/kube-system/default-http-backend

/registry/services/specs/kube-system/heapster

/registry/services/specs/kube-system/kube-dns

/registry/services/specs/kube-system/kubernetes-dashboard

/registry/services/specs/kube-system/monitoring-grafana

/registry/services/specs/kube-system/monitoring-influxdb

/registry/services/specs/vnc/centos-vnc

#查询指定key的数据，如/registry/services/specs/default/nginx-deployment的数据

etcdctl --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/healthcheck-client.crt --key=/etc/kubernetes/pki/etcd/healthche ck-client.key get /registry/services/specs/default/nginx-deployment --prefix

看起来有点乱码----冏

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