feat: Add Kubernetes manifest (#735)

apiVersion: v1

kind: PersistentVolumeClaim

metadata:

  name: dsm-pvc

spec:

  accessModes:

    - ReadWriteOnce

  resources:

    requests:

      storage: 16Gi

---

apiVersion: v1

kind: Pod

metadata:

  name: dsm

  labels:

    name: dsm

spec:

  terminationGracePeriodSeconds: 120 # the Kubernetes default is 30 seconds and it may be not enough

  containers:

    - name: dsm

      image: vdsm/virtual-dsm

      ports:

        - containerPort: 5000

          protocol: TCP

      resources:

        limits:

          devices.kubevirt.io/kvm: 1

      securityContext:

        privileged: true

      env:

        - name: RAM_SIZE

          value: 1G

        - name: CPU_CORES

          value: "1"

        - name: DISK_SIZE

          value: "16G"  # Kubernetes uses Gi, but DSM uses GB

      volumeMounts:

        - mountPath: /storage

          name: storage

  volumes:

    - name: storage

      persistentVolumeClaim:

        claimName: dsm-pvc

---

apiVersion: v1

kind: Service

metadata:

  name: dsm

spec:

  type: NodePort

  selector:

    name: dsm

  ports:

    - name: tcp-5000

      port: 5000

      targetPort: 5000

      nodePort: 31150

docker run -it --rm --name dsm -p 5000:5000 --device=/dev/kvm --cap-add NET_ADMIN --stop-timeout 120 vdsm/virtual-dsm

```

Via Kubernetes:

```shell

kubectl apply -f kubernetes.yml

```

## FAQ

* ### How do I use it?