centos7vm.yml

apiVersion: kubevirt.io/v1alpha3
kind: VirtualMachine
metadata:
  # 'name' and 'vm' should be equal
  labels:
    kubevirt.io/vm: testvm
  name: testvm
spec:
  running: false
  dataVolumeTemplates:
    - metadata:
        name: centos7-dv
      spec:
        pvc:
          accessModes:
          - ReadWriteOnce
          resources:
            requests:
              storage: 10Gi
        source:
          http:
            # https://cloud.centos.org/centos/7/images/
            url: "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2"
  template:
    metadata:
      labels:
        kubevirt.io/vm: vm-datavolume
    spec:
      domain:
        cpu:
          cores: 1
        devices:
          disks:
          - disk:
              bus: virtio
            name: datavolume
          - disk:
              bus: virtio
            name: cloudinitdisk            
        machine:
          type: ""            
        resources:
          requests:
            memory: 1Gi
      volumes:
      - dataVolume:
          name: centos7-dv
        name: datavolume
      - name: cloudinitdisk
        # related to cloud-init >> /etc/cloud/cloud.cfg
        cloudInitNoCloud:
          userData: |
            #cloud-config
            # ssh root access + PasswordAuthentication
            disable_root: false
            ssh_pwauth: True
            # password for default user 'centos':
            password: password
            chpasswd: { expire: False }
            # your SSH_PUB_KEY here:
            ssh_authorized_keys:
            - ssh-rsa YOUR_SSH_PUB_KEY