Hostpath.txt

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# 1. HostPath YAML file

apiVersion: v1
kind: Pod
metadata:
  name: nginx-hostpath
spec:
  containers:
    - name: nginx-container
      image: nginx
      volumeMounts:
      - mountPath: /test-mnt
        name: test-vol
  volumes:
  - name: test-vol
    hostPath:
      path: /test-vol


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# 2. Create and Display HostPath

kubectl create -f nginx-hostpath.yaml
kubectl get po
kubectl exec nginx-hostpath df /test-mnt

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3. Test: Creating "test" file underlying host dir & accessing from from pod

From HOST:
~~~~~~~~~~
cd /test-vol
echo "From Host" > from-host.txt
cat from-host.txt

From POD:
~~~~~~~~
kubectl exec nginx-hostpath cat /test-mnt/from-host.txt


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4. Test: Creating "test" file inside the POD & accessing from underlying host dir

From POD:
~~~~~~~~~
kubectl exec nginx-hostpath -it -- /bin/bash
cd /test-mnt
echo "From Pod" > from-pod.txt
cat from-pod.txt

From Host:
~~~~~~~~~~
cd /test-vol
ls
cat from-pod.txt


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5. Clean up

kubectl delete po nginx-hostpath
kubectl get po
ls /test-vol


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