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|
package fsedit; # $Id$
use diagnostics;
use strict;
use vars qw(%suggestions);
#-######################################################################################
#- misc imports
#-######################################################################################
use common;
use partition_table;
use partition_table::raw;
use fs::get;
use fs::type;
use fs::loopback;
use fs::proc_partitions;
use detect_devices;
use devices;
use log;
use fs;
%suggestions = (
N_("simple") => [
{ mntpoint => "/", size => 300 << 11, fs_type => 'ext3', ratio => 5, maxsize => 6000 << 11 },
{ mntpoint => "swap", size => 64 << 11, fs_type => 'swap', ratio => 1, maxsize => 1100 << 11 },
{ mntpoint => "/home", size => 300 << 11, fs_type => 'ext3', ratio => 3 },
], N_("with /usr") => [
{ mntpoint => "/", size => 250 << 11, fs_type => 'ext3', ratio => 1, maxsize => 2000 << 11 },
{ mntpoint => "swap", size => 64 << 11, fs_type => 'swap', ratio => 1, maxsize => 1100 << 11 },
{ mntpoint => "/usr", size => 300 << 11, fs_type => 'ext3', ratio => 4, maxsize => 4000 << 11 },
{ mntpoint => "/home", size => 100 << 11, fs_type => 'ext3', ratio => 3 },
], N_("server") => [
{ mntpoint => "/", size => 150 << 11, fs_type => 'ext3', ratio => 1, maxsize => 800 << 11 },
{ mntpoint => "swap", size => 64 << 11, fs_type => 'swap', ratio => 2, maxsize => 1600 << 11 },
{ mntpoint => "/usr", size => 300 << 11, fs_type => 'ext3', ratio => 4, maxsize => 4000 << 11 },
{ mntpoint => "/var", size => 200 << 11, fs_type => 'ext3', ratio => 3 },
{ mntpoint => "/home", size => 150 << 11, fs_type => 'ext3', ratio => 3 },
{ mntpoint => "/tmp", size => 150 << 11, fs_type => 'ext3', ratio => 2, maxsize => 1000 << 11 },
],
);
foreach (values %suggestions) {
if (arch() =~ /ia64/) {
@$_ = ({ mntpoint => "/boot/efi", size => 50 << 11, pt_type => 0xef, ratio => 1, maxsize => 150 << 11 }, @$_);
}
}
my @suggestions_mntpoints = (
"/var/ftp", "/var/www", "/boot", '/usr/local', '/opt',
arch() =~ /sparc/ ? "/mnt/sunos" : arch() =~ /ppc/ ? "/mnt/macos" : "/mnt/windows",
);
#-######################################################################################
#- Functions
#-######################################################################################
sub recompute_loopbacks {
my ($all_hds) = @_;
my @fstab = fs::get::fstab($all_hds);
@{$all_hds->{loopbacks}} = map { isPartOfLoopback($_) ? @{$_->{loopback}} : () } @fstab;
}
sub raids {
my ($hds) = @_;
my @parts = fs::get::hds_fstab(@$hds);
my @l = grep { isRawRAID($_) } @parts or return [];
log::l("looking for raids in " . join(' ', map { $_->{device} } @l));
require raid;
raid::detect_during_install(@l) if $::isInstall;
raid::get_existing(@l);
}
sub lvms {
my ($all_hds) = @_;
my @pvs = grep { isRawLVM($_) } fs::get::fstab($all_hds) or return;
log::l("looking for vgs in " . join(' ', map { $_->{device} } @pvs));
#- otherwise vgscan will not find them
devices::make($_->{device}) foreach @pvs;
require lvm;
my @lvms;
foreach (@pvs) {
my $name = lvm::pv_to_vg($_) or next;
my $lvm = find { $_->{VG_name} eq $name } @lvms;
if (!$lvm) {
$lvm = new lvm($name);
lvm::update_size($lvm);
lvm::get_lvs($lvm);
push @lvms, $lvm;
}
$_->{lvm} = $name;
push @{$lvm->{disks}}, $_;
}
@lvms;
}
sub handle_dmraid {
my ($drives) = @_;
@$drives > 1 or return;
devices::make($_->{device}) foreach @$drives;
eval { require fs::dmraid; 1 } or return;
my @vgs = fs::dmraid::vgs();
log::l(sprintf('dmraid: ' . join(' ', map { "$_->{device} [" . join(' ', @{$_->{disks}}) . "]" } @vgs)));
my @used_hds = map {
my $part = fs::get::device2part($_, $drives) or log::l("handle_dmraid: can't find $_ in known drives");
if_($part, $part);
} map { @{$_->{disks}} } @vgs;
@$drives = difference2($drives, \@used_hds);
push @$drives, @vgs;
}
sub get_hds {
my ($o_flags, $o_in) = @_;
my $flags = $o_flags || {};
$flags->{readonly} && ($flags->{clearall} || $flags->{clear}) and die "conflicting flags readonly and clear/clearall";
my @drives = detect_devices::hds();
#- replace drives used in dmraid by the merged name
handle_dmraid(\@drives) if !$flags->{nodmraid};
foreach my $hd (@drives) {
$hd->{file} = devices::make($hd->{device});
$hd->{prefix} ||= $hd->{device};
}
@drives = partition_table::raw::get_geometries(@drives);
my (@hds, @raw_hds);
foreach my $hd (@drives) {
$hd->{readonly} = $flags->{readonly};
eval { partition_table::raw::test_for_bad_drives($hd) if !$flags->{no_bad_drives} };
if (my $err = $@) {
if ($err =~ /write error:/) {
$hd->{readonly} = 1;
} elsif ($err =~ /read error:/) {
next;
} else {
$o_in and $o_in->ask_warn('', $err);
next;
}
}
if ($flags->{clearall} || member($hd->{device}, @{$flags->{clear} || []})) {
partition_table::raw::zero_MBR_and_dirty($hd);
} else {
my $handle_die_and_cdie = sub {
if ($hd->{readonly}) {
log::l("using /proc/partitions since diskdrake failed :(");
fs::proc_partitions::use_($hd);
1;
} elsif (my $type = fs::type::type_subpart_from_magic($hd)) {
#- non partitioned drive?
if (exists $hd->{usb_description} && $type->{fs_type}) {
#- USB keys
put_in_hash($hd, $type);
push @raw_hds, $hd;
$hd = '';
1;
} elsif ($type->{pt_type} == 0x8e) {
#- LVM on full disk
my $part = { size => $hd->{totalsectors}, device => $hd->{device}, %$type };
bless $hd, 'partition_table::raw';
$hd->{readonly} = $hd->{getting_rid_of_readonly_allowed} = 1;
$hd->{primary}{normal} = [ $part ];
1;
} else {
0;
}
} else {
0;
}
};
my $handled;
eval {
catch_cdie {
partition_table::read($hd);
if (listlength(partition_table::get_normal_parts($hd)) == 0) {
$handled = 1 if $handle_die_and_cdie->();
} elsif ($::isInstall) {
if (fs::type::is_dmraid($hd)) {
if (my $p = find { ! -e "/dev/$_->{device}" } partition_table::get_normal_parts($hd)) {
#- dmraid should have created the device, so it means we don't agree
die sprintf(q(bad dmraid (missing partition %s), you may try rebooting install with option "nodmraid"), $p->{device});
}
} else {
fs::proc_partitions::compare($hd) if !detect_devices::is_xbox();
}
}
} sub {
my $err = $@;
if ($handle_die_and_cdie->()) {
$handled = 1;
0; #- do not continue, transform cdie into die
} else {
!$o_in || $o_in->ask_okcancel('', formatError($err));
}
};
};
if (my $err = $@) {
if ($handled) {
#- already handled in cdie handler above
} elsif ($handle_die_and_cdie->()) {
} elsif ($o_in && $o_in->ask_yesorno(N("Error"),
N("I can not read the partition table of device %s, it's too corrupted for me :(
I can try to go on, erasing over bad partitions (ALL DATA will be lost!).
The other solution is to not allow DrakX to modify the partition table.
(the error is %s)
Do you agree to lose all the partitions?
", $hd->{device}, formatError($err)))) {
partition_table::raw::zero_MBR($hd);
} else {
#- using it readonly
log::l("using /proc/partitions since diskdrake failed :(");
fs::proc_partitions::use_($hd);
}
}
$hd or next;
member($_->{device}, @{$flags->{clear} || []}) and partition_table::remove($hd, $_)
foreach partition_table::get_normal_parts($hd);
}
my @parts = partition_table::get_normal_parts($hd);
# checking the magic of the filesystem, do not rely on pt_type
foreach (grep { member($_->{fs_type}, 'vfat', 'ntfs', 'ext2') || $_->{pt_type} == 0x100 } @parts) {
if (my $type = fs::type::type_subpart_from_magic($_)) {
if ($type->{fs_type}) {
#- keep {pt_type}
$_->{fs_type} = $type->{fs_type};
} else {
put_in_hash($_, $type);
}
} else {
$_->{bad_fs_type_magic} = 1;
|