interacting-with-k3s-cluster.md

Interacting with k3s cluster.

As k3s includes kubectl tool, we can use this to interact with the cluster.

kubectl get nodes -o wide
kubectl get pods -A
kubectl get svc -A
kubectl get deployment -A

Deploy nginx application using kubectl.

# Create a nginx application.
kubectl create deployment nginx-deployed-using-kubectl --image=nginx
kubectl get deployment
kubectl expose deployment nginx-deployed-using-kubectl --type=NodePort --port=80
kubectl get pods -A

# Check forwarded port.
kubectl get svc -A

# Use the above port to access the application.
curl -v http://IP_ADDR_OF_K3S_CLUSTER:PORT_FROM_ABOVE

Deploy nginx application using helm.

Helm tool default uses Artifact Hub repository.

helm repo add bitnami https://charts.bitnami.com/bitnami
helm install nginx-deployed-using-helm bitnami/nginx
kubectl get deployment
kubectl get pods -A

# Check forwarded port.
kubectl get svc -A

# Use the above port to access the application.
curl -v http://IP_ADDR_OF_K3S_CLUSTER:PORT_FROM_ABOVE