local suggested_master_root_disk_size="20GB"
  if [[ "$(get-num-nodes)" -gt "500" ]]; then
    suggested_master_root_disk_size="100GB"
  fi
  if [[ "$(get-num-nodes)" -gt "3000" ]]; then
    suggested_master_root_disk_size="500GB"
  fi
  echo "${suggested_master_root_disk_size}"
}

# Vars assumed:
#   NUM_NODES
#   NUM_WINDOWS_NODES
function get-master-disk-size() {
  local suggested_master_disk_size="20GB"