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[Xen-changelog] [xen stable-4.2] xen/pygrub: grub2/grub.cfg from RHEL 7 has new commands in menuentry



commit 8320ab88bfe2c16a94b6b6797955ac5f3f56aad3
Author:     Joby Poriyath <joby.poriyath@xxxxxxxxxx>
AuthorDate: Tue Feb 4 18:10:35 2014 +0000
Commit:     Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
CommitDate: Fri Apr 4 16:13:14 2014 +0100

    xen/pygrub: grub2/grub.cfg from RHEL 7 has new commands in menuentry
    
    menuentry in grub2/grub.cfg uses linux16 and initrd16 commands
    instead of linux and initrd. Due to this RHEL 7 (beta) guest failed to
    boot after the installation.
    
    In addition to this, RHEL 7 menu entries have two different single-quote
    delimited strings on the same line, and the greedy grouping for menuentry
    parsing gets both strings, and the options inbetween.
    
    Signed-off-by: Joby Poriyath <joby.poriyath@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
    Cc: george.dunlap@xxxxxxxxxx
    (cherry picked from commit dd03048708af072374963d6d0721cc6d4c5f52cf)
    (cherry picked from commit 607d9c98e8161d93fc93dd0e2c3a5b5be57f0d2a)
    (cherry picked from commit 4481b30d5ea980fe469c8dfa1580ba2d107fa12f)
---
 tools/pygrub/examples/rhel-7-beta.grub2 |  118 +++++++++++++++++++++++++++++++
 tools/pygrub/src/GrubConf.py            |    4 +-
 2 files changed, 121 insertions(+), 1 deletions(-)

diff --git a/tools/pygrub/examples/rhel-7-beta.grub2 
b/tools/pygrub/examples/rhel-7-beta.grub2
new file mode 100644
index 0000000..88f0f99
--- /dev/null
+++ b/tools/pygrub/examples/rhel-7-beta.grub2
@@ -0,0 +1,118 @@
+#
+# 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 [ -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
+set timeout=5
+### END /etc/grub.d/00_header ###
+
+### BEGIN /etc/grub.d/10_linux ###
+menuentry 'Red Hat Enterprise Linux Everything, with Linux 
3.10.0-54.0.1.el7.x86_64' --class red --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'gnulinux-3.10.0-54.0.1.el7.x86_64-advanced-d23b8b49-4cfe-4900-8ef1-ec80bc633163'
 {
+       load_video
+       set gfxpayload=keep
+       insmod gzio
+       insmod part_msdos
+       insmod xfs
+       set root='hd0,msdos1'
+       if [ x$feature_platform_search_hint = xy ]; then
+         search --no-floppy --fs-uuid --set=root --hint='hd0,msdos1'  
89ffef78-82b3-457c-bc57-42cccc373851
+       else
+         search --no-floppy --fs-uuid --set=root 
89ffef78-82b3-457c-bc57-42cccc373851
+       fi
+       linux16 /vmlinuz-3.10.0-54.0.1.el7.x86_64 root=/dev/mapper/rhel-root ro 
rd.lvm.lv=rhel/swap vconsole.keymap=uk crashkernel=auto rd.lvm.lv=rhel/root 
vconsole.font=latarcyrheb-sun16 LANG=en_GB.UTF-8
+       initrd16 /initramfs-3.10.0-54.0.1.el7.x86_64.img
+}
+menuentry 'Red Hat Enterprise Linux Everything, with Linux 
0-rescue-af34f0b8cf364cdbbe6d093f8228a37f' --class red --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'gnulinux-0-rescue-af34f0b8cf364cdbbe6d093f8228a37f-advanced-d23b8b49-4cfe-4900-8ef1-ec80bc633163'
 {
+       load_video
+       insmod gzio
+       insmod part_msdos
+       insmod xfs
+       set root='hd0,msdos1'
+       if [ x$feature_platform_search_hint = xy ]; then
+         search --no-floppy --fs-uuid --set=root --hint='hd0,msdos1'  
89ffef78-82b3-457c-bc57-42cccc373851
+       else
+         search --no-floppy --fs-uuid --set=root 
89ffef78-82b3-457c-bc57-42cccc373851
+       fi
+       linux16 /vmlinuz-0-rescue-af34f0b8cf364cdbbe6d093f8228a37f 
root=/dev/mapper/rhel-root ro rd.lvm.lv=rhel/swap vconsole.keymap=uk 
crashkernel=auto rd.lvm.lv=rhel/root vconsole.font=latarcyrheb-sun16
+       initrd16 /initramfs-0-rescue-af34f0b8cf364cdbbe6d093f8228a37f.img
+}
+
+### END /etc/grub.d/10_linux ###
+
+### BEGIN /etc/grub.d/20_linux_xen ###
+### END /etc/grub.d/20_linux_xen ###
+
+### 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/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 ###
diff --git a/tools/pygrub/src/GrubConf.py b/tools/pygrub/src/GrubConf.py
index 237d4d7..9acafe0 100644
--- a/tools/pygrub/src/GrubConf.py
+++ b/tools/pygrub/src/GrubConf.py
@@ -344,7 +344,9 @@ class Grub2Image(_GrubImage):
                 
     commands = {'set:root': 'root',
                 'linux': 'kernel',
+                'linux16': 'kernel',
                 'initrd': 'initrd',
+                'initrd16': 'initrd',
                 'echo': None,
                 'insmod': None,
                 'search': None}
@@ -390,7 +392,7 @@ class Grub2ConfigFile(_GrubConfigFile):
                 continue
 
             # new image
-            title_match = re.match('^menuentry ["\'](.*)["\'] (.*){', l)
+            title_match = re.match('^menuentry ["\'](.*?)["\'] (.*){', l)
             if title_match:
                 if img is not None:
                     raise RuntimeError, "syntax error: cannot nest menuentry 
(%d %s)" % (len(img),img)
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.2

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