pkg/boot/grub: Add test data for multiboot2 and module2 GRUB keywords

It adds the test data for the grub `multiboot2` and `module2` keywords.
The data is generated from CentOS 8 Stream with GRUB_ENABLE_BLSCFG set
to true and TBOOT installed.

Signed-off-by: Shelly Chang <[email protected]>

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1.json

@@ -0,0 +1,47 @@
+[
+   {
+    "cmdline": "root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8 ",
+    "image_type": "linux",
+    "initrd": {
+      "name": "testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/initramfs-5.18.0.img"
+    },
+    "kernel": {
+      "name": "testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/vmlinuz-5.18.0"
+    },
+    "name": "CentOS Linux (5.18.0) 8 5.18.0",
+    "rank": "1"
+   },
+   {
+    "cmdline": "root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8",
+    "image_type": "linux",
+    "initrd": {
+      "name": "testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/initramfs-0-rescue-9af7b02ac08149d985841c07c8ff366e.img"
+    },
+    "kernel": {
+      "name": "testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/vmlinuz-0-rescue-9af7b02ac08149d985841c07c8ff366e"
+    },
+    "name": "CentOS Linux (0-rescue-9af7b02ac08149d985841c07c8ff366e) 8 0-rescue-9af7b02ac08149d985841c07c8ff366e",
+    "rank": "1"
+  },
+  {
+    "cmdline": "logging=serial,memory serial=57600,8n1,0x2f8 min_ram=0x2000000",
+    "image_type": "multiboot",
+    "kernel": {
+      "url": "file:///testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/tboot.gz"
+    },
+    "modules": [
+      {
+        "cmdline": "/boot/vmlinuz-5.18.0 root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8 intel_iommu=on",
+        "name": "/boot/vmlinuz-5.18.0",
+        "url": "file:///testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/vmlinuz-5.18.0"
+      },
+      {
+        "cmdline": "/boot/initramfs-5.18.0.img",
+        "name": "/boot/initramfs-5.18.0.img",
+        "url": "file:///testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/initramfs-5.18.0.img"
+      }
+    ],
+    "name": "CentOS Linux GNU/Linux, with tboot 1.10.2 and Linux 5.18.0",
+    "rank": "0"
+  }
+]

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/EFI/centos/grub.cfg

@@ -0,0 +1,235 @@
+#
+# DO NOT EDIT THIS FILE
+#
+# It is automatically generated by grub2-mkconfig using templates
+# from /etc/grub.d and settings from /etc/default/grub
+#
+
+### BEGIN /etc/grub.d/00_header ###
+set pager=1
+
+if [ -f ${config_directory}/grubenv ]; then
+  load_env -f ${config_directory}/grubenv
+elif [ -s $prefix/grubenv ]; then
+  load_env
+fi
+if [ "${next_entry}" ] ; then
+   set default="${next_entry}"
+   set next_entry=
+   save_env next_entry
+   set boot_once=true
+else
+   set default="${saved_entry}"
+fi
+
+if [ x"${feature_menuentry_id}" = xy ]; then
+  menuentry_id_option="--id"
+else
+  menuentry_id_option=""
+fi
+
+export menuentry_id_option
+
+if [ "${prev_saved_entry}" ]; then
+  set saved_entry="${prev_saved_entry}"
+  save_env saved_entry
+  set prev_saved_entry=
+  save_env prev_saved_entry
+  set boot_once=true
+fi
+
+function savedefault {
+  if [ -z "${boot_once}" ]; then
+    saved_entry="${chosen}"
+    save_env saved_entry
+  fi
+}
+
+function load_video {
+  if [ x$feature_all_video_module = xy ]; then
+    insmod all_video
+  else
+    insmod efi_gop
+    insmod efi_uga
+    insmod ieee1275_fb
+    insmod vbe
+    insmod vga
+    insmod video_bochs
+    insmod video_cirrus
+  fi
+}
+
+terminal_output console
+if [ x$feature_timeout_style = xy ] ; then
+  set timeout_style=menu
+  set timeout=5
+# Fallback normal timeout code in case the timeout_style feature is
+# unavailable.
+else
+  set timeout=5
+fi
+### END /etc/grub.d/00_header ###
+
+### BEGIN /etc/grub.d/00_tuned ###
+set tuned_params=""
+set tuned_initrd=""
+### END /etc/grub.d/00_tuned ###
+
+### BEGIN /etc/grub.d/01_users ###
+if [ -f ${prefix}/user.cfg ]; then
+  source ${prefix}/user.cfg
+  if [ -n "${GRUB2_PASSWORD}" ]; then
+    set superusers="root"
+    export superusers
+    password_pbkdf2 root ${GRUB2_PASSWORD}
+  fi
+fi
+### END /etc/grub.d/01_users ###
+
+### BEGIN /etc/grub.d/08_fallback_counting ###
+insmod increment
+# Check if boot_counter exists and boot_success=0 to activate this behaviour.
+if [ -n "${boot_counter}" -a "${boot_success}" = "0" ]; then
+  # if countdown has ended, choose to boot rollback deployment,
+  # i.e. default=1 on OSTree-based systems.
+  if  [ "${boot_counter}" = "0" -o "${boot_counter}" = "-1" ]; then
+    set default=1
+    set boot_counter=-1
+  # otherwise decrement boot_counter
+  else
+    decrement boot_counter
+  fi
+  save_env boot_counter
+fi
+### END /etc/grub.d/08_fallback_counting ###
+
+### BEGIN /etc/grub.d/10_linux ###
+insmod part_gpt
+insmod ext2
+if [ x$feature_platform_search_hint = xy ]; then
+  search --no-floppy --fs-uuid --set=root d0be5cb9-622d-42d5-a531-674aaa120309
+else
+  search --no-floppy --fs-uuid --set=root d0be5cb9-622d-42d5-a531-674aaa120309
+fi
+insmod part_gpt
+insmod ext2
+if [ x$feature_platform_search_hint = xy ]; then
+  search --no-floppy --fs-uuid --set=boot d0be5cb9-622d-42d5-a531-674aaa120309
+else
+  search --no-floppy --fs-uuid --set=boot d0be5cb9-622d-42d5-a531-674aaa120309
+fi
+
+# This section was generated by a script. Do not modify the generated file - all changes
+# will be lost the next time file is regenerated. Instead edit the BootLoaderSpec files.
+#
+# The blscfg command parses the BootLoaderSpec files stored in /boot/loader/entries and
+# populates the boot menu. Please refer to the Boot Loader Specification documentation
+# for the files format: https://www.freedesktop.org/wiki/Specifications/BootLoaderSpec/.
+
+# The kernelopts variable should be defined in the grubenv file. But to ensure that menu
+# entries populated from BootLoaderSpec files that use this variable work correctly even
+# without a grubenv file, define a fallback kernelopts variable if this has not been set.
+#
+# The kernelopts variable in the grubenv file can be modified using the grubby tool or by
+# executing the grub2-mkconfig tool. For the latter, the values of the GRUB_CMDLINE_LINUX
+# and GRUB_CMDLINE_LINUX_DEFAULT options from /etc/default/grub file are used to set both
+# the kernelopts variable in the grubenv file and the fallback kernelopts variable.
+if [ -z "${kernelopts}" ]; then
+  set kernelopts="root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8"
+fi
+
+insmod blscfg
+blscfg
+### END /etc/grub.d/10_linux ###
+
+### BEGIN /etc/grub.d/10_reset_boot_success ###
+# Hiding the menu is ok if last boot was ok or if this is a first boot attempt to boot the entry
+if [ "${boot_success}" = "1" -o "${boot_indeterminate}" = "1" ]; then
+  set menu_hide_ok=1
+else
+  set menu_hide_ok=0
+fi
+# Reset boot_indeterminate after a successful boot
+if [ "${boot_success}" = "1" ] ; then
+  set boot_indeterminate=0
+# Avoid boot_indeterminate causing the menu to be hidden more then once
+elif [ "${boot_indeterminate}" = "1" ]; then
+  set boot_indeterminate=2
+fi
+# Reset boot_success for current boot
+set boot_success=0
+save_env boot_success boot_indeterminate
+### END /etc/grub.d/10_reset_boot_success ###
+
+### BEGIN /etc/grub.d/12_menu_auto_hide ###
+if [ x$feature_timeout_style = xy ] ; then
+  if [ "${menu_show_once}" ]; then
+    unset menu_show_once
+    save_env menu_show_once
+    set timeout_style=menu
+    set timeout=60
+  elif [ "${menu_auto_hide}" -a "${menu_hide_ok}" = "1" ]; then
+    set orig_timeout_style=${timeout_style}
+    set orig_timeout=${timeout}
+    if [ "${fastboot}" = "1" ]; then
+      # timeout_style=menu + timeout=0 avoids the countdown code keypress check
+      set timeout_style=menu
+      set timeout=0
+    else
+      set timeout_style=hidden
+      set timeout=1
+    fi
+  fi
+fi
+### END /etc/grub.d/12_menu_auto_hide ###
+
+### BEGIN /etc/grub.d/20_linux_tboot ###
+submenu "tboot 1.10.2" {
+menuentry 'CentOS Linux GNU/Linux, with tboot 1.10.2 and Linux 5.18.0' --class centos --class gnu-linux --class gnu --class os --class tboot {
+	insmod multiboot2
+	insmod part_gpt
+	insmod ext2
+	if [ x$feature_platform_search_hint = xy ]; then
+	  search --no-floppy --fs-uuid --set=root d0be5cb9-622d-42d5-a531-674aaa120309
+	else
+	  search --no-floppy --fs-uuid --set=root d0be5cb9-622d-42d5-a531-674aaa120309
+	fi
+	echo	'Loading tboot 1.10.2 ...'
+	multiboot2	/boot/tboot.gz logging=serial,memory serial=57600,8n1,0x2f8 min_ram=0x2000000
+	echo	'Loading Linux 5.18.0 ...'
+	module2 /boot/vmlinuz-5.18.0 root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8 intel_iommu=on
+	echo	'Loading initial ramdisk ...'
+	module2 /boot/initramfs-5.18.0.img
+}
+}
+### END /etc/grub.d/20_linux_tboot ###
+
+### BEGIN /etc/grub.d/20_linux_xen ###
+### END /etc/grub.d/20_linux_xen ###
+
+### BEGIN /etc/grub.d/20_linux_xen_tboot ###
+### END /etc/grub.d/20_linux_xen_tboot ###
+
+### BEGIN /etc/grub.d/20_ppc_terminfo ###
+### END /etc/grub.d/20_ppc_terminfo ###
+
+### BEGIN /etc/grub.d/30_os-prober ###
+### END /etc/grub.d/30_os-prober ###
+
+### BEGIN /etc/grub.d/30_uefi-firmware ###
+### END /etc/grub.d/30_uefi-firmware ###
+
+### BEGIN /etc/grub.d/40_custom ###
+# This file provides an easy way to add custom menu entries.  Simply type the
+# menu entries you want to add after this comment.  Be careful not to change
+# the 'exec tail' line above.
+### END /etc/grub.d/40_custom ###
+
+### BEGIN /etc/grub.d/41_custom ###
+if [ -f  ${config_directory}/custom.cfg ]; then
+  source ${config_directory}/custom.cfg
+elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
+  source $prefix/custom.cfg;
+fi
+### END /etc/grub.d/41_custom ###
+

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/EFI/centos/grubenv

@@ -0,0 +1,6 @@
+# GRUB Environment Block
+saved_entry=9af7b02ac08149d985841c07c8ff366e-5.18.0
+kernelopts=root=UUID=d0be5cb9-622d-42d5-a531-674aaa120309 ro crashkernel=auto rhgb quiet console=ttyS1,57600n8
+boot_success=0
+boot_indeterminate=0
+#################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/PARTLABEL

@@ -0,0 +1 @@
+fat16

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/TYPE

@@ -0,0 +1 @@
+vfat

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/UUID

@@ -0,0 +1 @@
+d0be5cb9-622d-42d5-a531-674aaa120309

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/loader/entries/9af7b02ac08149d985841c07c8ff366e-0-rescue.conf

@@ -0,0 +1,10 @@
+title CentOS Linux (0-rescue-9af7b02ac08149d985841c07c8ff366e) 8
+version 0-rescue-9af7b02ac08149d985841c07c8ff366e
+linux /boot/vmlinuz-0-rescue-9af7b02ac08149d985841c07c8ff366e
+initrd /boot/initramfs-0-rescue-9af7b02ac08149d985841c07c8ff366e.img
+options $kernelopts
+id centos-0-0-rescue-9af7b02ac08149d985841c07c8ff366e
+grub_users $grub_users
+grub_arg --unrestricted
+grub_class kernel
+

pkg/boot/grub/testdata_new/CentOS_8_Stream_x86_64_blscfg_sda1/boot/loader/entries/9af7b02ac08149d985841c07c8ff366e-5.18.0.conf

@@ -0,0 +1,10 @@
+title CentOS Linux (5.18.0) 8
+version 5.18.0
+linux /boot/vmlinuz-5.18.0
+initrd /boot/initramfs-5.18.0.img $tuned_initrd
+options $kernelopts $tuned_params
+id centos-20220726012856-5.18.0
+grub_users $grub_users
+grub_arg --unrestricted
+grub_class kernel
+