Dashboard:https://github.com/kubernetes/dashboard
一、Dashboard部署
由于需要用到k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.0，这里有2种方式进行pull 镜像。docker search该镜像名称，直接pull，再重新进行tag；另外一种方式是通过谷歌容器镜像拉取。
[root@k8s-node01 ~]# docker pull siriuszg/kubernetes-dashboard-amd64 [root@k8s-node01 ~]# docker tag siriuszg/kubernetes-dashboard-amd64:latest k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.0 或者是 [root@k8s-node01 ~]# docker pull mirrorgooglecontainers/kubernetes-dashboard-amd64:v1.10.0
再看其部署的过程：
[root@k8s-master ~]# kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml secret/kubernetes-dashboard-certs created serviceaccount/kubernetes-dashboard created role.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard-minimal created deployment.apps/kubernetes-dashboard created service/kubernetes-dashboard created [root@k8s-master ~]# kubectl get pods -n kube-system NAME READY STATUS RESTARTS AGE coredns-78fcdf6894-nmcmz 1/1 Running 1 54d coredns-78fcdf6894-p5pfm 1/1 Running 1 54d etcd-k8s-master 1/1 Running 2 54d kube-apiserver-k8s-master 1/1 Running 9 54d kube-controller-manager-k8s-master 1/1 Running 5 54d kube-flannel-ds-n5c86 1/1 Running 1 54d kube-flannel-ds-nrcw2 1/1 Running 1 52d kube-flannel-ds-pgpr7 1/1 Running 5 54d kube-proxy-glzth 1/1 Running 1 52d kube-proxy-rxlt7 1/1 Running 2 54d kube-proxy-vxckf 1/1 Running 4 54d kube-scheduler-k8s-master 1/1 Running 3 54d kubernetes-dashboard-767dc7d4d-n4clq 1/1 Running 0 3s [root@k8s-master ~]# kubectl get svc -n kube-system NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP 54d kubernetes-dashboard ClusterIP 10.105.204.4 <none> 443/TCP 30m [root@k8s-master ~]# kubectl patch svc kubernetes-dashboard -p '{"spec":{"type":"NodePort"}}' -n kube-system #以打补丁方式修改dasboard的访问方式 service/kubernetes-dashboard patched [root@k8s-master ~]# kubectl get svc -n kube-system NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP 54d kubernetes-dashboard NodePort 10.105.204.4 <none> 443:32645/TCP 31m
浏览器访问：192.168.56.12:32645，如图：
在k8s中 dashboard可以有两种访问方式：kubeconfig（HTTPS）和token（http）
1、token认证
（1）创建dashboard专用证书
[root@k8s-master pki]# (umask 077;openssl genrsa -out dashboard.key 2048) Generating RSA private key, 2048 bit long modulus .....................................................................................................+++ ..........................+++ e is 65537 (0x10001)
（2）证书签署请求
[root@k8s-master pki]# openssl req -new -key dashboard.key -out dashboard.csr -subj "/O=magedu/CN=dashboard" [root@k8s-master pki]# openssl x509 -req -in dashboard.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out dashboard.crt -days 365 Signature ok subject=/O=magedu/CN=dashboard Getting CA Private Key
（3）定义令牌方式仅能访问default名称空间
[root@k8s-master pki]# kubectl create secret generic dashboard-cert -n kube-system --from-file=./dashboard.crt --from-file=dashboard.key=./dashboard.key #secret创建 secret/dashboard-cert created [root@k8s-master pki]# kubectl get secret -n kube-system |grep dashboard dashboard-cert Opaque 2 1m kubernetes-dashboard-certs Opaque 0 3h kubernetes-dashboard-key-holder Opaque 2 3h kubernetes-dashboard-token-jpbgw kubernetes.io/service-account-token 3 3h [root@k8s-master pki]# kubectl create serviceaccount def-ns-admin -n default #创建serviceaccount serviceaccount/def-ns-admin created [root@k8s-master pki]# kubectl create rolebinding def-ns-admin --clusterrole=admin --serviceaccount=default:def-ns-admin #service account账户绑定到集群角色admin rolebinding.rbac.authorization.k8s.io/def-ns-admin created [root@k8s-master pki]# kubectl describe secret def-ns-admin-token-k9fz9 #查看def-ns-admin这个serviceaccount的token Name: def-ns-admin-token-k9fz9 Namespace: default Labels: <none> Annotations: kubernetes.io/service-account.name=def-ns-admin kubernetes.io/service-account.uid=56ed901c-d042-11e8-801a-000c2972dc1f Type: kubernetes.io/service-account-token Data ==== ca.crt: 1025 bytes namespace: 7 bytes token: eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJkZWZhdWx0Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZWNyZXQubmFtZSI6ImRlZi1ucy1hZG1pbi10b2tlbi1rOWZ6OSIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VydmljZS1hY2NvdW50Lm5hbWUiOiJkZWYtbnMtYWRtaW4iLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiI1NmVkOTAxYy1kMDQyLTExZTgtODAxYS0wMDBjMjk3MmRjMWYiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDpkZWYtbnMtYWRtaW4ifQ.QfB5RR19nBv4-kFYyzW5-2n5Ksg-kON8lU18-COLBNfObQTDHs926m4k9f_5bto4YGncYi7sV_3oEec8ouW1FRjJWfY677L1IqIlwcuqc-g0DUo21zkjY_s3Lv3JSb_AfXUbZ7VTeWOhvwonqfK8uriGO1-XET-RBk1CE4Go1sL7X5qDgPjNO1g85D9IbIZG64VygplT6yZNc-b7tLNn_O49STthy6J0jdNk8lYxjy6UJohoTicy2XkZMHp8bNPBj9RqGqMSnnJxny5WO3vHxYAodKx7h6w-PtuON84lICnhiJ06RzsWjZfdeaQYg4gCZmd2J6Hdq0_K32n3l3kFLg
将该token复制后，填入验证，要知道的是，该token认证仅可以查看default名称空间的内容，如下图：
