#cloud-config
hostname: backupassure
manage_etc_hosts: true

bootcmd:
  - |
    primary_interface=$(ip -o link show | awk '$2 !~ "lo:" {print substr($2, 1, length($2)-1); exit}')
    cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$primary_interface
    DEVICE=$primary_interface
    BOOTPROTO=dhcp
    ONBOOT=yes
    EOF

    if systemctl is-active --quiet NetworkManager; then
      nmcli connection reload
      nmcli device disconnect $primary_interface
      nmcli device connect $primary_interface
    else
      systemctl restart network
    fi

runcmd:
  - |
    echo "Backup Assure is currently building. Please refrain from logging in until you see 'Backup Assure is ready' message." | tee /dev/console
    sleep 5

    # Detect unpartitioned disks larger than 16GB
    disks=()
    for dev in /dev/nvme*n1; do
      size=$(lsblk -bn -d -o SIZE "$dev")
      if (( size > 17179869184 )); then
        has_parts=$(lsblk -no NAME "$dev" | wc -l)
        if (( has_parts == 1 )); then
          disks+=("$dev")
        fi
      fi
    done

    num_disks=${#disks[@]}

    if [ "$num_disks" -eq 1 ]; then
      disk="${disks[0]}"
      echo "One additional disk found: $disk. Mounting to /backups" | tee /dev/console

      parted "$disk" --script mklabel gpt
      sleep 2
      parted "$disk" --script mkpart primary ext4 0% 100%
      sleep 2
      mkfs.ext4 "${disk}p1"
      sleep 2
      UUID=$(blkid -s UUID -o value "${disk}p1")
      mkdir -p /backups
      mount -U "$UUID" /backups
      echo "UUID=$UUID /backups ext4 defaults 0 0" >> /etc/fstab
      mkdir -p /backups/rsync /backups/nfs

    elif [ "$num_disks" -eq 2 ]; then
      disk1="${disks[0]}"
      disk2="${disks[1]}"
      echo "Two disks found: $disk1 (NFS), $disk2 (RSYNC)" | tee /dev/console

      for d in "$disk1" "$disk2"; do
        parted "$d" --script mklabel gpt
        sleep 2
        parted "$d" --script mkpart primary ext4 0% 100%
        sleep 2
        mkfs.ext4 "${d}p1"
        sleep 2
      done

      UUID_nfs=$(blkid -s UUID -o value "${disk1}p1")
      UUID_rsync=$(blkid -s UUID -o value "${disk2}p1")

      mkdir -p /backups/nfs
      mount -U "$UUID_nfs" /backups/nfs
      echo "UUID=$UUID_nfs /backups/nfs ext4 defaults 0 0" >> /etc/fstab

      mkdir -p /backups/rsync
      mount -U "$UUID_rsync" /backups/rsync
      echo "UUID=$UUID_rsync /backups/rsync ext4 defaults 0 0" >> /etc/fstab

    else
      echo "Unexpected number of disks ($num_disks). No action taken." | tee /dev/console
    fi

    echo "Backup Assure is ready." | tee /dev/console
    sleep 5
    clear