Kubernetes deployment dashboard (Web UI management interface)

build Dashboard（k8s Web UI）

Based on the built Kubernetes Cluster deployment Dashboard

download yaml file

wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.4/aio/deploy/recommended.yaml

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There should be an error downloading this file from the domestic network

Download mirroring

Also downloaded during deployment , For faster deployment Running, So download ahead of time

docker pull kubernetesui/dashboard:v2.0.4

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modify yaml file

By default, this file is not deployed through the node ip Access to the , For a more friendly visit , use NodePort How to deploy

# dashboard 2.0.4 edition 
# 40 Line add ,spec below 
  type: NodePort

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Modify the image Download Strategy

Because I downloaded the image just now , Here, it is modified to use directly if the image exists , If it doesn't exist, go back and download it

# 191 That's ok 
          imagePullPolicy: IfNotPresent
          #  take Always It is amended as follows IfNotPresent

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Deploy Dashboard

# kubectl apply -f recommended.yaml
namespace/kubernetes-dashboard created
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-csrf created
secret/kubernetes-dashboard-key-holder created
configmap/kubernetes-dashboard-settings created
role.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scraper created

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Check whether to run

[[email protected] ~]# kubectl get pods -n kubernetes-dashboard 
NAME                                         READY   STATUS    RESTARTS   AGE
dashboard-metrics-scraper-6b4884c9d5-gqmn4   1/1     Running   0          2m39s
kubernetes-dashboard-8478c4964c-r2vt8        1/1     Running   0          2m39s

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View the access port mapped to the host

host ip：192.168.1.10

mapping port：30321

[[email protected] ~]# kubectl get svc -n kubernetes-dashboard
NAME                        TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)         AGE
dashboard-metrics-scraper   ClusterIP   10.96.237.228   <none>        8000/TCP        3m8s
kubernetes-dashboard        NodePort    10.106.24.161   <none>        443:30321/TCP   3m9s

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Verify access Dashboard

Intra network server access https://NodeIP:port, That is to say https://192.168.1.10:30321

Here is the verification method token, Need to get token, To look down

Token Login by authentication

To all namespace to grant authorization

#  establish serviceaccount
kubectl create serviceaccount dashboard-serviceaccount -n kubernetes-dashboard
#  establish clusterrolebinding
kubectl create clusterrolebinding dashboard-cluster-admin --clusterrole=cluster-admin --serviceaccount=kubernetes-dashboard:dashboard-serviceaccount

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obtain token

[[email protected] ~]# kubectl get secret -n kubernetes-dashboard | grep dashboard-serviceaccount-token
dashboard-serviceaccount-token-vd64k   kubernetes.io/service-account-token   3      55s
[[email protected] ~]# kubectl describe secret dashboard-serviceaccount-token-vd64k -n kubernetes-dashboard

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take token The value of the field is copied to the token part , To log in

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