K8s-Enable-Dashboard-On-Cluster.md

LAB: Enable Dashboard on Cluster

K8s Cluster (with Multipass VM)

• K8s cluster was created before:
  • Goto: K8s Kubeadm Cluster Setup

Enable Dashboard on Cluster

• To enable dashboard on cluster, apply yaml file (https://github.com/kubernetes/dashboard)

kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.yaml
Kubectl proxy
on browser: http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/

• Now we should find to token to enter dashboard as admin user.

kubectl create serviceaccount dashboard-admin-sa
kubectl create clusterrolebinding dashboard-admin-sa --clusterrole=cluster-admin --serviceaccount=default:dashboard-admin-sa
kubectl get secrets
kubectl describe secret dashboard-admin-sa-token-m84l5             # token name change, pls find it using "kubectl get secrets"

• Enter Token that is grabbed before:

• Now we reached the dashboard:

Enable Dashboard on Minikube

• Minikube has addons to enable dashboard:

minikube addons enable dashboard
minikube addons enable metrics-server
minikube dashboard
# if running on WSL/WSL2 to open browser
sensible-browser http://127.0.0.1:45771/api/v1/namespaces/kubernetes-dashboard/services/http:kubernetes-dashboard:/proxy/

Reference

• https://www.replex.io/blog/how-to-install-access-and-add-heapster-metrics-to-the-kubernetes-dashboard
• https://github.com/kubernetes/dashboard