# Create a VM manifest with the startup script
# a cloudInitNoCloud volume's userData field.

cat << END > my-vmi.yaml
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  name: myvmi
spec:
  terminationGracePeriodSeconds: 5
  domain:
    resources:
      requests:
        memory: 64M
    devices:
      disks:
      - name: containerdisk
        volumeName: registryvolume
        disk:
          bus: virtio
      - name: cloudinitdisk
        volumeName: cloudinitvolume
        disk:
          bus: virtio
  volumes:
    - name: registryvolume
      containerDisk:
        image: kubevirt/cirros-container-disk-demo:latest
    - name: cloudinitvolume
      cloudInitNoCloud:
        userData: |
          ssh-authorized-keys:
            - ssh-rsa AAAAB3NzaK8L93bWxnyp test@test.com

END

# Post the Virtual Machine spec to KubeVirt.

kubectl create -f my-vmi.yaml

# Create a simple startup script

cat << END > startup-script.sh
#!/bin/bash
echo "Hi from startup script!"
END

# Create a VM manifest with the startup script base64 encoded into
# a cloudInitNoCloud volume's userDataBase64 field.

cat << END > my-vmi.yaml
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  name: myvmi
spec:
  terminationGracePeriodSeconds: 5
  domain:
    resources:
      requests:
        memory: 64M
    devices:
      disks:
      - name: containerdisk
        volumeName: registryvolume
        disk:
          bus: virtio
      - name: cloudinitdisk
        volumeName: cloudinitvolume
        disk:
          bus: virtio
  volumes:
    - name: registryvolume
      containerDisk:
        image: kubevirt/cirros-container-disk-demo:latest
    - name: cloudinitvolume
      cloudInitNoCloud:
        userDataBase64: $(cat startup-script.sh | base64 -w0)
END

# Post the Virtual Machine spec to KubeVirt.

kubectl create -f my-vmi.yaml

# Create a simple startup script

cat << END > startup-script.sh
#!/bin/bash
echo "Hi from startup script!"
END

# Store the startup script in a Kubernetes Secret
kubectl create secret generic my-vmi-secret --from-file=userdata=startup-script.sh

# Create a VM manifest and reference the Secret's name in the cloudInitNoCloud
# Volume's secretRef field

cat << END > my-vmi.yaml
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  name: myvmi
spec:
  terminationGracePeriodSeconds: 5
  domain:
    resources:
      requests:
        memory: 64M
    devices:
      disks:
      - name: containerdisk
        volumeName: registryvolume
        disk:
          bus: virtio
      - name: cloudinitdisk
        volumeName: cloudinitvolume
        disk:
          bus: virtio
  volumes:
    - name: registryvolume
      containerDisk:
        image: kubevirt/cirros-registry-disk-demo:latest
    - name: cloudinitvolume
      cloudInitNoCloud:
        secretRef:
          name: my-vmi-secret
END

# Post the VM
kubectl create -f my-vmi.yaml

# Create the cloud-init cloud-config userdata.
cat << END > startup-script
#cloud-config
password: atomic
chpasswd: { expire: False }
ssh_pwauth: False
ssh_authorized_keys:
    - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC6zdgFiLr1uAK7PdcchDd+LseA5fEOcxCCt7TLlr7Mx6h8jUg+G+8L9JBNZuDzTZSF0dR7qwzdBBQjorAnZTmY3BhsKcFr8Gt4KMGrS6r3DNmGruP8GORvegdWZuXgASKVpXeI7nCIjRJwAaK1x+eGHwAWO9Z8ohcboHbLyffOoSZDSIuk2kRIc47+ENRjg0T6x2VRsqX27g6j4DfPKQZGk0zvXkZaYtr1e2tZgqTBWqZUloMJK8miQq6MktCKAS4VtPk0k7teQX57OGwD6D7uo4b+Cl8aYAAwhn0hc0C2USfbuVHgq88ESo2/+NwV4SQcl3sxCW21yGIjAGt4Hy7J fedora@localhost.localdomain
END

# Create the VM spec
cat << END > my-vmi.yaml
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  name: sshvmi
spec:
  terminationGracePeriodSeconds: 0
  domain:
    resources:
      requests:
        memory: 1024M
    devices:
      disks:
      - name: containerdisk
        volumeName: registryvolume
        disk:
          dev: vda
      - name: cloudinitdisk
        volumeName: cloudinitvolume
        disk:
          dev: vdb
  volumes:
    - name: registryvolume
      containerDisk:
        image: kubevirt/fedora-atomic-registry-disk-demo:latest
    - name: cloudinitvolume
      cloudInitNoCloud:
        userDataBase64: $(cat startup-script | base64 -w0)
END

# Post the VirtualMachineInstance spec to KubeVirt.
kubectl create -f my-vmi.yaml

# Connect to VM with passwordless SSH key
ssh -i <insert private key here> fedora@<insert ip here>

cat << END > startup-script.sh
#!/bin/bash
export NEW_USER="foo"
export SSH_PUB_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC6zdgFiLr1uAK7PdcchDd+LseA5fEOcxCCt7TLlr7Mx6h8jUg+G+8L9JBNZuDzTZSF0dR7qwzdBBQjorAnZTmY3BhsKcFr8Gt4KMGrS6r3DNmGruP8GORvegdWZuXgASKVpXeI7nCIjRJwAaK1x+eGHwAWO9Z8ohcboHbLyffOoSZDSIuk2kRIc47+ENRjg0T6x2VRsqX27g6j4DfPKQZGk0zvXkZaYtr1e2tZgqTBWqZUloMJK8miQq6MktCKAS4VtPk0k7teQX57OGwD6D7uo4b+Cl8aYAAwhn0hc0C2USfbuVHgq88ESo2/+NwV4SQcl3sxCW21yGIjAGt4Hy7J $NEW_USER@localhost.localdomain"

sudo adduser -U -m $NEW_USER
echo "$NEW_USER:atomic" | chpasswd
sudo mkdir /home/$NEW_USER/.ssh
sudo echo "$SSH_PUB_KEY" > /home/$NEW_USER/.ssh/authorized_keys
sudo chown -R ${NEW_USER}: /home/$NEW_USER/.ssh
END

# Create the VM spec
cat << END > my-vmi.yaml
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  name: sshvmi
spec:
  terminationGracePeriodSeconds: 0
  domain:
    resources:
      requests:
        memory: 1024M
    devices:
      disks:
      - name: containerdisk
        volumeName: registryvolume
        disk:
          dev: vda
      - name: cloudinitdisk
        volumeName: cloudinitvolume
        disk:
          dev: vdb
  volumes:
    - name: registryvolume
      containerDisk:
        image: kubevirt/fedora-atomic-registry-disk-demo:latest
    - name: cloudinitvolume
      cloudInitNoCloud:
        userDataBase64: $(cat startup-script.sh | base64 -w0)
END

# Post the VirtualMachineInstance spec to KubeVirt.
kubectl create -f my-vmi.yaml

# Connect to VM with passwordless SSH key
ssh -i <insert private key here> foo@<insert ip here>