config/grub2/00_cloud

   1 #!/bin/sh
   2 # This is an IPFire helper script for GRUB to enable the serial console
   3 # on AWS instances at the time of the first boost
   4
   5 set -e
   6
   7 # Do nothing if first boot isn't enabled
   8 if [ "${GRUB_FIRST_BOOT}" != "true" ]; then
   9         exit 0
  10 fi
  11
  12 . "${pkgdatadir}/grub-mkconfig_lib"
  13
  14 if [ -z "${KERNEL_RELEASE}" ]; then
  15         KERNEL_RELEASE="$(uname -r)"
  16 fi
  17
  18 if [ -z "${boot_device_id}" ]; then
  19         boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
  20 fi
  21
  22 cat <<EOF
  23 # Read the system manufacturer string from the BIOS
  24 smbios --type 1 --get-string 4 --set system_manufacturer
  25
  26 # Read the chassis asset tag
  27 smbios --type 3 --get-string 8 --set chassis_asset_tag
  28
  29 # Are we on Amazon EC2?
  30 if [ "\$system_manufacturer" = "Amazon EC2" ]; then
  31         next_entry=gnulinux-${KERNEL_RELEASE}-serial-${boot_device_id}
  32 fi
  33
  34 # Are we on Oracle Cloud?
  35 if [ "\$chassis_asset_tag" = "OracleCloud.com" ]; then
  36         next_entry=gnulinux-${KERNEL_RELEASE}-serial-${boot_device_id}
  37 fi
  38 EOF