Minikube: Using Local Storage

Issue this command:

sudo minikube start --vm-driver none

Locate the local folder in the cloud_user home directory, and get into it:

ls
cd local

In this directory inspect the pv-hostPath-volume.yaml (with cat) and locate the local mapping:

hostPath:
path: "/home/cloud_user/html"

Create the directory indicated in the hostPath:

mkdir /home/cloud_user/html

In this directory create an index.html file:

echo 'this is the local index' >> /home/cloud_user/html/index.html

Create the volume and PersistentVolumeClaim and ensure that they are bound:

sudo kubectl apply -f /home/cloud_user/local/pv-hostPath-volume.yaml
sudo kubectl apply -f /home/cloud_user/local/pv-hostPath-claim.yaml

sudo kubectl get pv  # this output should show the volume status as Available
sudo kubectl get pvc # this output should show Bound

Now let's create the Nginx pod and then run curl on the pod IP to ensure that the custom index loads:

sudo kubectl apply -f /home/cloud_user/local/pv-hostPath-pod.yaml
sudo kubectl get po -o wide

There's going to be an IP address in the output of that command. We need it in this next command:

curl <IP_ADDRESS>

We should see what we put in the index.html file earlier. Now, to see the power of what we've done here, let's append to that file:

echo 'this is a new line' >> /home/cloud_user/html/index.html

Then we'll run that curl command again, and see that our new content is showing up -- without having to restart the container!