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authorBob Gilligan <gilligan@vyatta.com>2010-07-13 18:05:11 -0700
committerBob Gilligan <gilligan@vyatta.com>2010-07-13 18:05:11 -0700
commit19cf46d14ba266887278d3f06d0ce791218c9469 (patch)
tree9d4951c7a2dcb172c056ab174e410e24b53e083c /scripts
parent5989c8a01d6726f6a64a5c15a98e25af6cc44665 (diff)
downloadvyatta-cfg-system-19cf46d14ba266887278d3f06d0ce791218c9469.tar.gz
vyatta-cfg-system-19cf46d14ba266887278d3f06d0ce791218c9469.zip
Move vyatta-update-grub.pl to the vyatta-base package.
This is necessary so that it can be used by full-upgrade.
Diffstat (limited to 'scripts')
-rw-r--r--scripts/vyatta-update-grub.pl217
1 files changed, 0 insertions, 217 deletions
diff --git a/scripts/vyatta-update-grub.pl b/scripts/vyatta-update-grub.pl
deleted file mode 100644
index 3ef426b9..00000000
--- a/scripts/vyatta-update-grub.pl
+++ /dev/null
@@ -1,217 +0,0 @@
-#!/usr/bin/perl
-
-# **** License ****
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Bob Gilligan
-# Date: Jully, 2010
-# Description: Script to update the grub config file after full upgrade.
-#
-# **** End License ****
-
-use strict;
-use warnings;
-use Getopt::Long;
-use File::Temp qw/ :mktemp /;
-
-my $UNION_BOOT_DIR = '/live/image/boot';
-my $UNION_GRUB_CFG_DIR = "$UNION_BOOT_DIR/grub";
-my $DISK_BOOT_DIR = '/boot';
-my $DISK_GRUB_CFG_DIR= '/boot/grub';
-my $OLD_IMG_VER_STR = 'Old-non-image-installation';
-
-# Returns the version string of the currently running system.
-# The logic is roughly like this:
-#
-# First, figure out whether system is image-booted or standard booted.
-# Next, locate the grub config file.
-# Next, edit all entries for running image to use the vmlinuz and
-# initrd.img symlinks instead of specific kernel and initrd files.
-# Next, change the vmlinuz and initrd.img symlinks to point to the
-# correct kernel and initrd.img files.
-#
-sub curVer {
- my $vers = `awk '{print \$1}' /proc/cmdline`;
-
- # In an image-booted system, the image name is the directory name
- # directory under "/boot" in the pathname of the kernel we booted.
- $vers =~ s/BOOT_IMAGE=\/boot\///;
- $vers =~ s/\/?vmlinuz.*\n$//;
-
- # In a non-image system, the kernel resides directly under "/boot".
- # No second-level directory means that $vers will be null.
- if ($vers eq "") {
- $vers = $OLD_IMG_VER_STR;
- }
- return $vers;
-}
-
-my $boot_dir;
-my $grub_cfg_dir;
-my $grub_cfg_file;
-my $tmp_grub_cfg_file;
-my $on_disk_kernel_dir;
-my $local_kernel_dir;
-my $running_image_name;
-my $debug_flag = 0;
-
-GetOptions(
- "debug" => \$debug_flag,
- );
-
-
-sub log_msg {
- my $message = shift;
-
- print "DEBUG: $message" if $debug_flag;
-}
-
-
-# Main
-
-if (-e $UNION_BOOT_DIR) {
- $boot_dir = $UNION_BOOT_DIR;
- $grub_cfg_dir = $UNION_GRUB_CFG_DIR;
-
- $running_image_name = curVer();
- if ($running_image_name eq $OLD_IMG_VER_STR) {
- print "Can't find image name for union booted system.\n";
- exit 1;
- }
- $on_disk_kernel_dir = "/boot/$running_image_name";
- $local_kernel_dir = "$boot_dir/$running_image_name";
- if (! -e $local_kernel_dir) {
- print "Can't find kernel directory: $local_kernel_dir\n";
- exit 1;
- }
- log_msg("System is image booted.\n");
-} elsif (-e $DISK_BOOT_DIR) {
- $boot_dir = $DISK_BOOT_DIR;
- $grub_cfg_dir = $DISK_GRUB_CFG_DIR;
- $on_disk_kernel_dir = $boot_dir;
- $local_kernel_dir = $boot_dir;
- $running_image_name = "";
- log_msg("System is disk booted.\n");
-} else {
- print "Can't locate boot directory!\n";
- exit 1;
-}
-
-$grub_cfg_file = "$grub_cfg_dir/grub.cfg";
-
-if (! -e $grub_cfg_file) {
- print "can't locate grub config file: $grub_cfg_file\n";
- exit 1;
-}
-
-if (-e "$local_kernel_dir/linux" && ! -l "$local_kernel_dir/linux") {
- print "Linux binary is not a symlink: $local_kernel_dir/linux\n";
- exit 1;
-}
-
-if (-e "$local_kernel_dir/initrd.img" && ! -l "$local_kernel_dir/initrd.img") {
- print "initrd file is not a symlink: $local_kernel_dir/initrd.img\n";
- exit 1;
-}
-
-# Back up the original grub config file
-system("cp $grub_cfg_file $grub_cfg_dir/orig_grub.cfg");
-if ($? >> 8) {
- print "Couldn't back up original grub config file.\n";
- exit 1;
-}
-
-# Make temp copy to work on
-$tmp_grub_cfg_file = $grub_cfg_file . ".tmp";
-
-system("cp $grub_cfg_file $tmp_grub_cfg_file");
-if ($? >> 8) {
- print "Couldn't back up temp copy of grub config file.\n";
- exit 1;
-}
-
-my $sedcmd="sed -i 's+linux $on_disk_kernel_dir\/vmlinuz-[^ ]* +linux $on_disk_kernel_dir\/vmlinuz +' $tmp_grub_cfg_file";
-
-log_msg("Executing: $sedcmd \n");
-
-system($sedcmd);
-if ($? >> 8) {
- print "Couldn't edit linux entry in grub config file: $tmp_grub_cfg_file";
- exit 1;
-}
-
-
-$sedcmd="sed -i 's+initrd $on_disk_kernel_dir\/initrd-[^ ]* +initrd $on_disk_kernel_dir\/initrd +' $tmp_grub_cfg_file";
-
-log_msg("Executing: $sedcmd \n");
-
-system($sedcmd);
-if ($? >> 8) {
- print "Couldn't edit initrd entry in grub config file: $tmp_grub_cfg_file";
- exit 1;
-}
-
-my $kern_vers=`ls $local_kernel_dir/vmlinuz-*`;
-
-my @kern_vers_list = split(' ', $kern_vers);
-
-if ($#kern_vers_list < 0) {
- print "No kernel binary files found in grub boot dir: $local_kernel_dir\n";
- exit 1;
-}
-
-log_msg("kern_vers_list befor subst is: @kern_vers_list\n");
-
-foreach (@kern_vers_list) {
- s/$local_kernel_dir\/vmlinuz-//;
-}
-@kern_vers_list = sort(@kern_vers_list);
-
-log_msg("kern_vers_list after subst is: @kern_vers_list\n");
-
-# Search in reverse leacographic order (higest first) for a version to use
-foreach my $index ($#kern_vers_list..0) {
- my $vers = $kern_vers_list[$index];
- if (-e "$local_kernel_dir/vmlinuz-$vers" &&
- -e "$local_kernel_dir/initrd.img-$vers") {
- log_msg("Using version $vers\n");
- system("rm -f $local_kernel_dir/vmlinuz");
- system("ln -s vmlinuz-$vers $local_kernel_dir/vmlinuz");
- if ($? >> 8) {
- print "Couldn't symlink kernel binary: $local_kernel_dir/vmlinuz-$vers\n";
- # keep going
- }
-
- system("rm -f $local_kernel_dir/initrd.img");
- system("ln -s initrd.img-$vers $local_kernel_dir/initrd.img");
- if ($? >> 8) {
- print "Couldn't symlink initrd file: $local_kernel_dir/initrd.img-$vers\n";
- # keep going
- }
-
- # Move our edited grub config file back into position
- system("mv $tmp_grub_cfg_file $grub_cfg_file");
- if ($? >> 8) {
- print "Couldn't move edited grub config file into position: $grub_cfg_file\n";
- # keep going
- }
-
- # done
- print "Done.\n";
- exit 0;
- }
-}
-
-print "Couldn't find matching vmlinuz and initrd.img files!\n";
-exit 1;