diff options
Diffstat (limited to 'rescue/partimage_whole_disk')
| -rwxr-xr-x | rescue/partimage_whole_disk | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/rescue/partimage_whole_disk b/rescue/partimage_whole_disk deleted file mode 100755 index a35c374ca..000000000 --- a/rescue/partimage_whole_disk +++ /dev/null @@ -1,248 +0,0 @@ -#!/usr/bin/perl - -use lib qw(/usr/lib/libDrakX ../perl-install); -use standalone; -use fsedit; -use fs::format; -use fs::type; -use resize_fat::main; -use diskdrake::resize_ntfs; -use diskdrake::resize_ext2; -use common; -use partition_table::empty; -use Carp::Heavy; - -#- help getting the file in make_rescue_img -BEGIN { partition_table::raw::default_type() } - -my ($server); -if ($ARGV[0] eq '-s') { - (undef, $server, @ARGV) = @ARGV; -} -my $action = shift @ARGV; - -sub usage() { die "partimage_whole_disk [-s <server>] (save_all <dir> | rest_all <dirs>)\n" } - -$ENV{PATH} = "/sbin:/usr/sbin:$ENV{PATH}"; -$ENV{HOME} = '/'; -log::openLog("/var/log/partimage_whole_disk.log"); -my @partimage_cmd = ('partimage', if_($server, '-s', $server)); -my $all_hds = fsedit::get_hds({}); - -if ($action eq 'save_all') { - @ARGV == 1 or usage(); - save_all($ARGV[0]); -} elsif ($action eq 'rest_all') { - @ARGV or usage(); - rest_all(@ARGV); -} else { - usage(); -} - -sub save_all { - my ($dir) = @_; - - my $base_dir = $dir; - for (my $i = 0; read_part_list($dir); $i++) { - #- find a free dir - $dir = sprintf("$base_dir.%03d", $i); - } - - my $hd = $all_hds->{hds}[0] or die "no main hard drive\n"; - log::l("save_all on $hd->{device}"); - my $part_list = [ partition_table::get_normal_parts($hd) ]; - - foreach (@$part_list) { - $_->{saved} = !member($_->{fs_type}, 'ntfs', 'vfat', 'swap'); - } - - #- shrink and don't save the last ext3 partition (which is the /home partition) - if (my $part = find { isTrueLocalFS($_) } reverse @$part_list) { - $part->{size} = min($part->{size}, 1024 * 1024 * 2); # not greater than 1GB - $part->{saved} = 0; - } - - foreach (grep { $_->{saved} } @$part_list) { - run_or_die(@partimage_cmd, - '-V', 0, '--nombr', '--nodesc', '--nocheck', '-b', '-o', - 'save', devices::make($_->{device}), "$dir/$_->{device}"); - } - save_part_list($dir, $hd->{geom}, $part_list); -} -sub rest_all { - my (@dirs) = @_; - - my %best; - DIRS: foreach (@dirs) { - my ($forced_geom, $part_list) = read_part_list($_) or log::l("read_part_list $_ failed"), next; - my %h = (dir => $_, forced_geom => $forced_geom, part_list => $part_list); - log::l("trying with $h{dir}"); - - ($h{hd}) = my @used_hds = uniq(map { - my $part = $_; - find { $part->{device} =~ /^\Q$_->{device}\E./ } fs::get::hds($all_hds) - or log::l("can't find hard drive for partition $part->{device}"), next DIRS; - } @$part_list); - - @used_hds >= 1 or log::l("no matching hd"), next; - @used_hds <= 1 or log::l("multiple hds: " . join(' ', map { $_->{device} } @used_hds)), next; - - fs::type::set_fs_type($_, $_->{fs_type}) foreach @$part_list; - put_in_hash($_, partition_table::hd2minimal_part($h{hd})) foreach @$part_list; - - ($h{from_partimage}, my $other) = partition { $_->{saved} } @$part_list; - ($h{from_resize}, $h{created}) = partition { member($_->{fs_type}, 'vfat', 'ntfs') } @$other; - - $h{valid_resize} = every { - my $part = fs::get::device2part($_->{device}, [ fs::get::fstab($all_hds) ]) or log::l("partition to resize is missing ($_->{device})"); - my $ok = $part && $part->{fs_type} eq $_->{fs_type}; - $ok or log::l("partition $_->{device} doesn't have the right filesystem ($part->{fs_type} != $_->{fs_type})"); - $ok; - } @{$h{from_resize}}; - - $h{total} = sum(map { $_->{size} } @$part_list); - if ($h{total} > $h{hd}{totalsectors}) { - log::l("discarding $h{dir} since total $h{total} > $h{hd}{totalsectors}"); - } elsif ($h{valid_resize} < $best{valid_resize}) { - log::l("discarding $h{dir} since it has invalid resize whereas $best{dir} has valid resize"); - } elsif ($h{total} > $best{total}) { - log::l("$h{dir} is better than $best{dir} since total $h{total} > $best{total}"); - %best = %h; - } else { - log::l("$h{dir} is not better than $best{dir} since total $h{total} <= $best{total}"); - } - } - - $best{dir} or die "no valid partimage data dirs\n"; - my %h = %best; - log::l("chosen dir $h{dir}"); - - foreach (@{$h{from_resize}}) { - #- resize first - my $part = fs::get::device2part($_->{device}, [ fs::get::fstab($all_hds) ]); - if (!$part) { - log::l("partition to resize is missing ($_->{device})"); - $_->{missing} = 1; - next; - } - if ($part->{fs_type} ne $_->{fs_type}) { - log::l("partition $_->{device} doesn't have the right filesystem ($part->{fs_type} != $_->{fs_type})"); - $_->{missing} = 1; - next; - } - - if (@{$h{from_resize}} == 1) { - my $half_size = int($h{hd}{totalsectors} / 2) - 2 * $h{hd}->cylinder_size; - my $suggested_total = $h{total} - $_->{size} + $half_size; - log::l("resizing bigger? (size $_->{size}, half_size $half_size, total $h{total}, suggested_total $suggested_total)"); - if ($half_size > $_->{size} && $suggested_total < $h{hd}{totalsectors}) { - log::l("prefering to resize $_->{device} to size $half_size instead of $_->{size}"); - $_->{size} = $half_size; - } - } - - $_->{start} = $part->{start}; - if ($_->{size} < $part->{size}) { - log::l("resizing $_->{device} to $_->{size} (it is $part->{size})"); - my $resize_pkg = $_->{fs_type} eq 'vfat' ? 'resize_fat::main' : 'diskdrake::resize_ntfs'; - my $resize = $resize_pkg->new($_->{device}, devices::make($_->{device})); - $resize->resize($_->{size}); - } else { - log::l("no need to resize, instead setting $_->{device}'s size to $part->{size} instead of $_->{size}"); - $_->{size} = $part->{size}; - } - } - - my $hd = $h{hd}; - put_in_hash($hd->{geom}, $h{forced_geom}); - log::l("totalsectors $hd->{totalsectors} heads $hd->{geom}{heads} sectors $hd->{geom}{sectors}"); - partition_table::raw::compute_nb_cylinders($hd->{geom}, $hd->{totalsectors}); - - #- grow the last ext3 partition - if (my $part = find { isTrueLocalFS($_) } reverse @{$h{part_list}}) { - $part->{ratio} = 1; - } - - #- write the partition table - partition_table::raw::zero_MBR($hd); - foreach my $part (grep { $_->{rootDevice} eq $hd->{device} } @{$h{part_list}}) { - next if $part->{missing}; - - my $hole = find { isEmpty($_) && $_->{size} >= $part->{size} } partition_table::get_normal_parts_and_holes($hd) or die "not enough room for $part->{device}"; - $part->{start} = $hole->{start}; - - log::l("handling $part->{device}"); - my $extended = $part->{device} =~ /(\d+)$/ && $1 > 4 && $hd->hasExtended; - - my %wanted_part = %$part; - if ($part->{ratio}) { - $part->{size} = $hole->{size}; - } else { - $part->{size} += $hd->{geom}{sectors} if $extended; - $part->{size} += $hd->cylinder_size if $part->{start} == 1; - } - log::l("adding $part->{device} with size $part->{size}"); - partition_table::add($hd, $part, $extended && 'Extended'); - foreach ('device', if_(!$part->{ratio}, 'size')) { - $part->{$_} eq $wanted_part{$_} or log::l("bad $_ for $part->{device}: $part->{$_} != $wanted_part{$_}"); - } - } - partition_table::write($hd); - - #- restore from partimage - foreach (@{$h{from_partimage}}) { - run_or_die(@partimage_cmd, 'restore', '-b', devices::make($_->{device}), "$h{dir}/$_->{device}"); - - if ($_->{ratio}) { - my $resize = diskdrake::resize_ext2->new($_->{device}, devices::make($_->{device})); - $resize->resize($_->{size}); - } - } - - foreach (@{$h{created}}) { - fs::format::part_raw($_, undef); - } - - run_program::run('guessmounts'); - - if (my @missing = grep { $_->{missing} } @{$h{part_list}}) { - my $missing = join('|', map { quotemeta($_->{device}) } @missing); - log::l("drop missing devices from fstab and lilo.conf: $missing"); - $::prefix = '/mnt'; - substInFile { $_ = '' if m!^/dev/($missing)\s! } "$::prefix/etc/fstab"; - - my $match; - substInFile { - /^\S/ and $match = m!^other=/dev/($missing)$!; - $_ = '' if $match; - } "$::prefix/etc/lilo.conf"; - } - - run_program::run('install_bootloader'); -} - -sub lst_fields() { qw(device size fs_type saved) } -sub save_part_list { - my ($dir, $geom, $part_list) = @_; - my @l = map { join(' ', @$_{lst_fields()}) } @$part_list; - log::l("save_part_list $dir: $_") foreach @l; - my $partimage = join(' ', @partimage_cmd); - open(my $F, "| $partimage -z0 -Bfoo=bar -o save_file $dir/lst"); - print $F join("/", $geom->{heads}, $geom->{sectors}), "\n"; - print $F "$_\n" foreach @l; -} -sub read_part_list { - my ($dir) = @_; - my $partimage = join(' ', @partimage_cmd); - open(my $F, "$partimage -z0 -Bfoo=bar rest_file $dir/lst |"); - my $geom_string = <$F> or return; - my %geom; @geom{'heads', 'sectors'} = split('/', chomp_($geom_string)); - my @l = chomp_(cat__($F)); - log::l("read_part_list $dir: $_") foreach @l; - \%geom, [ map { my %l; @l{lst_fields()} = split; \%l } @l ]; -} - -sub run_or_die { - my (@l) = @_; - run_program::raw({ timeout => 4 * 60 * 60 }, @l) or die join(' ', @l) . " failed\n"; -} |