Deploy the Kubernetes Web UI Dashboard

This post guides you through deploying the Kubernetes dashboard after Deploy Kubernetes Cluster.

Install Dashboard

Download and install Docker images

docker pull mirrorgooglecontainers/kubernetes-dashboard-amd64:v1.10.1
docker tag mirrorgooglecontainers/kubernetes-dashboard-amd64:v1.10.1 k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
docker image rmi mirrorgooglecontainers/kubernetes-dashboard-amd64:v1.10.1

Download dashboard config file template

wget https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.yaml

Edit dashboard config file add type: NodePort in Dashboard Service section

spec:
  type: NodePort
  ports:
    - port: 443
      targetPort: 8443

Install dashboard

kubectl create -f  kubernetes-dashboard.yaml

Check dashboard running status

kubectl get pods --all-namespaces
NAMESPACE     NAME                                   READY   STATUS    RESTARTS   AGE
kube-system   coredns-86c58d9df4-fvzh6               1/1     Running   0          33m
kube-system   coredns-86c58d9df4-jcjgn               1/1     Running   0          33m
kube-system   etcd-k8s-master                        1/1     Running   0          32m
kube-system   kube-apiserver-k8s-master              1/1     Running   0          32m
kube-system   kube-controller-manager-k8s-master     1/1     Running   0          32m
kube-system   kube-flannel-ds-amd64-fl8k6            1/1     Running   0          21m
kube-system   kube-flannel-ds-amd64-jjqbx            1/1     Running   0          25m
kube-system   kube-flannel-ds-amd64-sh79b            1/1     Running   0          21m
kube-system   kube-proxy-mlnkt                       1/1     Running   0          33m
kube-system   kube-proxy-pf7fp                       1/1     Running   0          21m
kube-system   kube-proxy-t54fr                       1/1     Running   0          21m
kube-system   kube-scheduler-k8s-master              1/1     Running   0          32m
kube-system   kubernetes-dashboard-57df4db6b-kmxw9   1/1     Running   0          22s

Creating sample user, reference guide on GitHub

Create a config file dashboard-adminuser.yaml for Service Account and ClusterRoleBinding

---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    k8s-app: kubernetes-dashboard
  name: kubernetes-dashboard-admin
  namespace: kube-system

---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: kubernetes-dashboard-admin
  labels:
    k8s-app: kubernetes-dashboard
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: kubernetes-dashboard-admin
  namespace: kube-system

Create user and role binding

kubectl apply -f dashboard-adminuser.yaml

Bearer Token

kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep kubernetes-dashboard-admin-token | awk '{print $1}')

Name:         kubernetes-dashboard-admin-token-ngv5v
Namespace:    kube-system
Labels:       <none>
Annotations:  kubernetes.io/service-account.name: kubernetes-dashboard-admin
              kubernetes.io/service-account.uid: 0aec2ffb-1d77-11e9-a792-000c29e92d29

Type:  kubernetes.io/service-account-token

Data
====
token:      eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.AIk_OeA1zRQJpY2qFgFoXWhM8ketEFnzMI82Jj8AVama8ycIHnV8m7nssGg7hegjhSUhPzdVun95VNjiA0dcmCWwvH0IkAqYFOh3hahFIHCO2HjM8F7wNotRS1LVuf221EJOV5f5VXyLEFp78sm69dS607-1X695X9BxH4iOIPz0R2GANHggJwC57oflUR_r0sfomYPfw49JKVqhGVsLl37RTcU-lTlvN5d-tT-GLlJVpowHZR7PUx27iODpViHn0iB0OhXPLR-Wdd3SlfcrrtIhupOL-PPI6fxVQwUii94nr0bmFwj6lh_aJFD5t3dERJxiEltICg3jkEsMyZEIPQ
ca.crt:     1025 bytes
namespace:  11 bytes

Check dashboard listing port

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   39m
kubernetes-dashboard   NodePort    10.98.98.181   <none>        443:31896/TCP   6m51s

Visit the dashboard via https://172.16.3.136:31896

Deploy the Kubernetes Web UI Dashboard

Choose Token, paste the authentication token output from the previous command into the Token field, and choose SIGN IN.

Deploy the Kubernetes Web UI Dashboard

Deploy the Kubernetes Web UI Dashboard
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