| # All the data below will be stored as a string object
  #cloud-config, see http://cloudinit.readthedocs.io/en/latest/topics/examples.html

  ssh_pwauth: True
  users:
   - name: root
     sudo: ALL=(ALL) NOPASSWD:ALL
     shell: /bin/bash
     ssh_authorized_keys:
     {% for key in config.underlay.ssh_keys %}
      - ssh-rsa {{ key['public'] }}
     {% endfor %}

  disable_root: false
  chpasswd:
   list: |
    root:r00tme
   expire: False

  bootcmd:
   # Block access to SSH while node is preparing
   - cloud-init-per once sudo touch /is_cloud_init_started
   # Enable root access
   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config
   - service sshd restart

  output:
    all: '| tee -a /var/log/cloud-init-output.log /dev/tty0'

  runcmd:
   - echo "******** MOUNT CONFIG DRIVE"
   # Mount config drive
   - mkdir /root/config-drive
   - mount /dev/sr0 /root/config-drive

   # Configure dhclient
   - sudo echo "nameserver {gateway}" >> /etc/resolvconf/resolv.conf.d/base
   - sudo resolvconf -u

   # Enable grub menu using updated config below
   - update-grub

   # Prepare network connection
   #- sudo ifdown ens3
   #- sudo ip r d default || true  # remove existing default route to get it from dhcp
   #- sudo ifup ens3
   #- sudo route add default gw {gateway} {interface_name}

   # Create swap
   - fallocate -l 16G /swapfile
   - chmod 600 /swapfile
   - mkswap /swapfile
   - swapon /swapfile
   - echo "/swapfile   none    swap    defaults    0   0" >> /etc/fstab

   # Run user data script from config drive
   - ifdown --force ens3; ifconfig ens3 down; ip a flush dev ens3; rm -f /var/run/network/ifstate.ens3; ip l set down ens3
   - ifdown --force ens4; ifconfig ens4 down; ip a flush dev ens4; rm -f /var/run/network/ifstate.ens4; ip l set down ens4
   - rm -f /etc/network/interfaces
   #- ifdown --force ens5; ifconfig ens5 down; ip a flush dev ens5; rm -f /var/run/network/ifstate.ens5
   #- cp /root/config-drive/user-data /root/user-data
   #- sed -i '/^reboot$/d' /root/user-data
   #- set -x; cd /root && /bin/bash -xe ./user-data
   - |
     set -x
     cd /root/config-drive
     if /bin/bash -xe ./user-data; then
         touch /is_cloud_init_finished
     else
         set +x
         echo "bootstrap script /root/config-drive/user-data failed\n" > /is_cloud_init_failed
     fi

   # Enable root access (after reboot)
   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config

  write_files:
   - path: /etc/default/grub.d/97-enable-grub-menu.cfg
     content: |
         GRUB_RECORDFAIL_TIMEOUT=30
         GRUB_TIMEOUT=3
         GRUB_TIMEOUT_STYLE=menu

   #- path: /etc/network/interfaces
   - path: /root/interfaces
     content: |
          auto lo
          iface lo inet loopback

          auto ens3
          iface ens3 inet dhcp

   - path: /root/.ssh/config
     owner: root:root
     permissions: '0600'
     content: |
          Host *
            ServerAliveInterval 60
            ServerAliveCountMax 0
            StrictHostKeyChecking no
            UserKnownHostsFile /dev/null