drbl 2.20.11-4 / usr / sbin / gen-grub-efi-nb-menu

#!/bin/bash
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
# Description: Output grub efi network boot config on DRBL server.

DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
[ -e /etc/drbl/drbl-ocs.conf ] && . /etc/drbl/drbl-ocs.conf
[ -e $DRBL_SCRIPT_PATH/sbin/ocs-functions ] && . $DRBL_SCRIPT_PATH/sbin/ocs-functions

export LC_ALL=C
#
USAGE() {
  echo "Generate the Grub EFI network boot menu for DRBL clients."
  echo "Usage: $(basename $0) [OPTION]"
  echo "Options:"
  echo "-c, --console OPT: set the console output parameters."
  echo "-d, --dir DIR:     Assign the netinstall files are in DIR instead of default dir $pxecfg_pd"
  echo "-m, --bg-mode [text|graphic]:  Set the default GRUB menu mode to text or graphic"
  echo "-s, --serial OPT:  set the grub menu to work with serial console output. OPT is like: serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
  echo "-g, --graphic [y|n]:  Option to set client to use graphical mode or not when booting GNU/Linux (now only for Fedora Core)"
  echo "-p, --grub-efi-dir DIR:  Assign grub config dir as DIR instead of deafult dir $GRUB_EFINB_DIR"
  echo "-v, --verbose:  verbose mode."
  echo "Ex:"
  echo "To create the console output in DRBL client:"
  echo "$(basename $0) -v -s \"serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1\" -c \"console=ttyS0,38400n81 console=tty0\" "
  echo "Note! You must put the \" before and after your serial OPT and console OPT."
}

# Default settings
# GRUB_EFINB_DIR is from drbl.conf, and GRUB_EFI_D is for using only in the program.
bg_mode="graphic"

#
check_if_root

# Parse command-line options
while [ $# -gt 0 ]; do
  case "$1" in
    -s|--serial)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              GRUB_SERIAL_OUTPUT="$1"
              shift
            fi
	    [ -z "$GRUB_SERIAL_OUTPUT" ] && USAGE && exit 1
	    ;;
    -c|--console)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              CONSOLE_OUTPUT="$1"
              shift
            fi
	    [ -z "$CONSOLE_OUTPUT" ] && USAGE && exit 1
	    ;;
    -m|--bg-mode)  
            shift;
            # skip the -xx option, in case 
	    if [ -z "$(echo $1 |grep ^-.)" ]; then
	      bg_mode="$1"
	      shift
            fi
	    [ -z "$bg_mode" ] && USAGE && exit 1
            ;;
    -g|--graphic)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              graphical_boot="$1"
              shift
            fi
	    [ -z "$graphical_boot" ] && USAGE && exit 1
	    ;;
    -d|--dir)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              TDIR="$1"
              shift
            fi
	    [ -z "$TDIR" ] && USAGE && exit 1
	    ;;
    -p|--grub-efi-dir)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              GRUB_EFI_D="$1"
              shift
            fi
	    [ -z "$GRUB_EFI_D" ] && USAGE && exit 1
	    ;;
    -v|--verbose)
            shift; verbose="on"
            ;;
    -*)     echo "${0}: ${1}: invalid option" >&2
            USAGE >& 2
            exit 2 ;;
    *)      break ;;
  esac
done

[ -z "$GRUB_EFI_D" ] && GRUB_EFI_D="$GRUB_EFINB_DIR"
[ -z "$TDIR" ] && TDIR="$pxecfg_pd"

# Find the IP address of this server. Here we choose the first one in the list, since it's just an example.

echo "Generating default GRUB network boot config ($GRUB_EFI_D/grub.cfg)..."
# clean the old one
[ -f "$GRUB_EFI_D/grub.cfg" ] && rm -f $GRUB_EFI_D/grub.cfg

# get the OS_Version and OS_type
check_distribution_name

# $graphical_boot is in drbl.conf or from command parameter.
case "$graphical_boot" in
  y|Y|[yY][eE][sS])
    case "$OS_Version" in
      FC*)
        echo "Use graphical boot for DRBL Fedora Core client..."
        # We'd better use "rhgb" instead of "quiet rhgb" since if something goes wrong in net initrd, it's not easy to debug.
        drbl_dist_append="rhgb"
        ;;
    esac
    ;;
  n|N|[nN][oO])
    drbl_dist_append=""
    ;;
esac
case "$OS_Version" in
  DBN*) 
    # Put quiet for Debian and Ubuntu clients.
    quiet_opt="quiet"
    ;;
  *)
    # Do not put quiet since for centos 6 clients since it seems after pxelinux booting, no output on screen.
    quiet_opt=""
    ;;
  esac
#
# GRUB Linux menu mode
# find the drbl background logo and memtest
drbl_logo="$(basename $grub_bg_img)"
# show some prompts
[ -n "$GRUB_SERIAL_OUTPUT" ] && echo "GRUB serial output param: $GRUB_SERIAL_OUTPUT"
[ -n "$CONSOLE_OUTPUT" ] && echo "Linux console output param: $CONSOLE_OUTPUT"
[ -n "$drbl_dist_append" ] && echo "Extra param: $drbl_dist_append"

# read drbl_deploy.conf if this program is run again after drblpush is done.
[ -f /etc/drbl/drbl_deploy.conf ] && . /etc/drbl/drbl_deploy.conf
[ "$drbl_mode" = "drbl_ssi_mode" ] && drbl_mode_opt="clientdir=node_root"
[ "$clonezilla_mode" = "clonezilla_box_mode" ] && clonezilla_mode_opt="clientdir=node_root"

# Get version number. 
case "$OS_Version" in
   RH*|FC*|CO*|MDK*|MDV*|SUSE*)
      drbl_ver="$(rpm -q drbl | sed -e "s/^drbl-//g")"
      ocs_ver="$(rpm -q clonezilla | sed -e "s/^clonezilla-//g")"
      ;;
   DBN*)
      drbl_ver="$(dpkg -l drbl | tail -n 1 | awk -F" " '{print $3}')"
      ocs_ver="$(dpkg -l clonezilla | tail -n 1 | awk -F" " '{print $3}')"
      ;;
esac
[ -z "$drbl_ver" ] && drbl_ver="Unknown"
[ -z "$ocs_ver" ] && ocs_ver="Unknown"

#
[ -f "$GRUB_EFI_D/grub.cfg" ] && mv -f $GRUB_EFI_D/grub.cfg $GRUB_EFI_D/grub.cfg.drblsaved

# Kernel EDD (sysfs interface to BIOS EDD information) is useful for partclone.ntfsreloc. However, if it's compiled as builtin in kernel, it might be off by default, as the kernel config:
# CONFIG_EDD=y
# CONFIG_EDD_OFF=y
# If so, we have to put edd=on in boot parameter so the edd will be on when booting
edd_opt=""
if [ -e "$pxecfg_pd/kernel_version_in_initrd.txt" ]; then
  # Client's kernel config exists, i.e. this program is run after client's kernel is copied.
  client_kver="$(cat $pxecfg_pd/kernel_version_in_initrd.txt 2>/dev/null)"
  if [ -n "$(grep -Ew "CONFIG_EDD=y" $drbl_common_root/boot/config-${client_kver})" ] && [ -n "$(grep -Ew "CONFIG_EDD_OFF=y" $drbl_common_root/boot/config-${client_kver})" ]; then
     edd_opt="edd=on"
  fi
else
  # Client's kernel config does not exists, i.e. this program is run BEFORE client's kernel is copied. Here we assume the running kernel on server has the same config with that on client.
  client_kver="$(uname -r)"
  if [ -n "$(grep -Ew "CONFIG_EDD=y" /boot/config-${client_kver})" ] && [ -n "$(grep -Ew "CONFIG_EDD_OFF=y" /boot/config-${client_kver})" ]; then
     edd_opt="edd=on"
  fi
fi

# Bacground mode
case "$bg_mode" in
  text*|TEXT*) g_bg_f="no" ;;
  graphic*|GRAPHIC*) g_bg_f="yes" ;;
esac

grub_ver="$(LC_ALL=C cat $pxecfg_pd/GRUB_VERSION)"
echo "Adding GRUB EFI boot menu for DRBL, Clonezilla..."
cat <<-GRUB_END > $GRUB_EFI_D/grub.cfg
# Created by gen-grub-efi-nb-menu! Do NOT edit unless you know what you are doing! 
GRUB_END

# GRUB serial console 
# Ref: ttps://www.gnu.org/software/grub/manual/grub.html#serial
if [ -n "$GRUB_SERIAL_OUTPUT" ]; then
  cat <<-GRUB_END >> $GRUB_EFI_D/grub.cfg
$GRUB_SERIAL_OUTPUT
terminal_input --append serial
terminal_output --append serial

GRUB_END
fi

cat <<-GRUB_END >> $GRUB_EFI_D/grub.cfg
set default=drbl-client
set timeout_style=menu
set timeout=7
set hidden_timeout_quiet=false
set graphic_bg=${g_bg_f}
#
function load_gfxterm {
  set gfxmode=auto
  insmod efi_gop
  insmod efi_uga
  insmod gfxterm
  terminal_output gfxterm
}

# Somehow the grub2 from CentOS 7 will look for unicode.pf2.pf2 if using "loadfont unicode.pf2". While in Debian/Ubuntu it's OK to use "loadfont unicode.pf2".
if [ x"\${graphic_bg}" = xyes ]; then
  if loadfont unicode; then
    load_gfxterm
  elif loadfont unicode.pf2; then
    load_gfxterm
  fi
fi
if background_image drblwp.png; then
  set color_normal=black/black
  set color_highlight=magenta/black
else
  set color_normal=cyan/blue
  set color_highlight=white/blue
fi

GRUB_END

cat <<-GRUB_END >> $GRUB_EFI_D/grub.cfg
menuentry "$FULL_OS_Version $powerful_client_menu_label" --id drbl-client {
  echo "Enter DRBL..."
  echo "Loading Linux kernel vmlinuz-pxe..."
  linux vmlinuz-pxe devfs=nomount drblthincli=off selinux=0 $quiet_opt $edd_opt $CONSOLE_OUTPUT $drbl_mode_opt $drbl_dist_append
  echo "Loading initial ramdisk initrd-pxe.img..."
  initrd initrd-pxe.img 
}

#menuentry "Clonezilla" --id clonezilla-se-client {
#  echo "Enter Clonezilla..."
#  echo 'Loading Linux kernel vmlinuz-pxe...'
#  linux vmlinuz-pxe devfs=nomount drblthincli=off selinux=0 $quiet_opt text 1 $edd_opt $CONSOLE_OUTPUT $clonezilla_mode_opt $drbl_dist_append
#  echo 'Loading initial ramdisk initrd-pxe.img...'
#  initrd initrd-pxe.img
#}

menuentry "Local operating system (if available)" --id local-disk {
  echo "Booting first local disk..."
  set root=(hd0,1)
  if [ -e /EFI/redhat/grub.efi ]; then
    chainloader /EFI/redhat/grub.efi +1
  elif [ -e /EFI/fedora/shim.efi ]; then
    chainloader /EFI/fedora/shim.efi +1
  elif [ -e /EFI/fedora/grubx64.efi ]; then
    chainloader /EFI/fedora/grubx64.efi +1
  elif [ -e /EFI/debian/grubx64.efi ]; then
    chainloader /EFI/debian/grubx64.efi +1
  elif [ -e /EFI/ubuntu/grubx64.efi ]; then
    chainloader /EFI/ubuntu/grubx64.efi +1
  elif [ -e /EFI/mageia/grubx64.efi ]; then
    chainloader /EFI/mageia/grubx64.efi +1
  elif [ -e /EFI/opensuse/grubx64.efi ]; then
    chainloader /EFI/opensuse/grubx64.efi +1
  elif [ -e /EFI/sled12/grubx64.efi ]; then
    # SuSE Linux Enterprise 12
    chainloader /EFI/sled12/grubx64.efi +1
  elif [ -e /EFI/SuSE/elilo.efi ]; then
    # SuSE Linux Enterprise 11
    chainloader /EFI/SuSE/elilo.efi +1
  elif [ -e /EFI/Boot/bootx64.efi ]; then
    # MS Windows
    chainloader /EFI/Boot/bootx64.efi +1
  elif [ -e /EFI/Microsoft/Boot/bootmgfw.efi ]; then
    chainloader	/EFI/Microsoft/Boot/bootmgfw.efi +1
  else
    echo "No uEFI image was found!"
    sleep 15
  fi
}

menuentry "Reboot" --id reboot {
  echo "System rebooting..."
  reboot
}

menuentry "Shutdown" --id shutdown {
  echo "System shutting down..."
  halt
}

GRUB_END

output_netinstall_syslinux_pxelinux_menu --efi $TDIR $GRUB_EFI_D/grub.cfg

echo "done!"