#cloud-config
hostname: null
fqdn: null
manage_etc_hosts: true

bootcmd:
  - |
    # Detect the primary network interface
    primary_interface=$(ip -o link show | awk '$2 !~ "lo:" {print substr($2, 1, length($2)-1); exit}')
    # Write the network configuration
    cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$primary_interface
    DEVICE=$primary_interface
    BOOTPROTO=dhcp
    ONBOOT=yes
    EOF
    # Restart network
    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:
  - |
    #!/bin/bash
    echo "Backup Assure is building. Please wait for 'Backup Assure is ready'." | tee /dev/console
    # Find unpartitioned disks >= 40 GiB, excluding temporary disk
    unpartitioned_disks=()
    min_size=$((40*1024*1024*1024)) # 40 GiB in bytes
    for lun in 0 1; do
      if [ -b /dev/disk/azure/scsi1/lun$lun ]; then
        disk=$(readlink -f /dev/disk/azure/scsi1/lun$lun)
        if ! lsblk -no PARTTYPE "$disk" | grep -q .; then
          if ! readlink -f /dev/disk/azure/resource | grep -q "$disk"; then
            size_bytes=$(lsblk -bdno SIZE "$disk")
            if [ "$size_bytes" -ge "$min_size" ]; then
              unpartitioned_disks+=("$disk")
            fi
          fi
        fi
      fi
    done
    num_disks=${#unpartitioned_disks[@]}
    if [ "$num_disks" -eq 1 ]; then
      echo "One unpartitioned disk (>=40 GiB) found. Mounting to /backups"
      disk=${unpartitioned_disks[0]}
      for i in {1..5}; do
        if parted "$disk" --script mklabel gpt; then break; fi
        sleep 2
      done || { echo "Failed to partition $disk" | tee /dev/console; exit 1; }
      parted "$disk" --script mkpart primary ext4 0% 100% || { echo "Failed to create partition" | tee /dev/console; exit 1; }
      mkfs.ext4 "${disk}1" || { echo "Failed to format ${disk}1" | tee /dev/console; exit 1; }
      UUID=$(blkid -s UUID -o value "${disk}1")
      mkdir -p /backups
      mount -U "$UUID" /backups || { echo "Failed to mount ${disk}1" | tee /dev/console; exit 1; }
      echo "UUID=$UUID /backups ext4 defaults,nofail 0 0" >> /etc/fstab
      mkdir -p /backups/nfs /backups/rsync
    elif [ "$num_disks" -eq 2 ]; then
      echo "Two unpartitioned disks (>=40 GiB) found. Mounting to /backups/nfs and /backups/rsync"
      disk_nfs=${unpartitioned_disks[0]}
      disk_rsync=${unpartitioned_disks[1]}
      for disk in "$disk_nfs" "$disk_rsync"; do
        for i in {1..5}; do
          if parted "$disk" --script mklabel gpt; then break; fi
          sleep 2
        done || { echo "Failed to partition $disk" | tee /dev/console; exit 1; }
        parted "$disk" --script mkpart primary ext4 0% 100% || { echo "Failed to create partition" | tee /dev/console; exit 1; }
        mkfs.ext4 "${disk}1" || { echo "Failed to format ${disk}1" | tee /dev/console; exit 1; }
      done
      UUID_nfs=$(blkid -s UUID -o value "${disk_nfs}1")
      mkdir -p /backups/nfs
      mount -U "$UUID_nfs" /backups/nfs || { echo "Failed to mount ${disk_nfs}1" | tee /dev/console; exit 1; }
      echo "UUID=$UUID_nfs /backups/nfs ext4 defaults,nofail 0 0" >> /etc/fstab
      UUID_rsync=$(blkid -s UUID -o value "${disk_rsync}1")
      mkdir -p /backups/rsync
      mount -U "$UUID_rsync" /backups/rsync || { echo "Failed to mount ${disk_rsync}1" | tee /dev/console; exit 1; }
      echo "UUID=$UUID_rsync /backups/rsync ext4 defaults,nofail 0 0" >> /etc/fstab
    else
      echo "No unpartitioned disks >=40 GiB or unexpected number ($num_disks). No action taken." | tee /dev/console
    fi
    clear
    echo "Backup Assure is ready." | tee /dev/console