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package fs::any;
use diagnostics;
use strict;
use c;
use common;
use fsedit;
use fs::get;
use fs::mount_point;
use fs::type;
use run_program;
sub get_hds {
my ($all_hds, $fstab, $manual_fstab, $partitioning_flags, $skip_mtab, $o_in) = @_;
my $probed_all_hds = fsedit::get_hds($partitioning_flags, $o_in);
my $hds = $probed_all_hds->{hds};
if (is_empty_array_ref($hds)) { #- no way
die N("An error occurred - no valid devices were found on which to create new filesystems. Please check your hardware for the cause of this problem");
}
#- try to figure out if the same number of hds is available, use them if ok.
@{$all_hds->{hds} || []} == @$hds and return 1;
fs::get_raw_hds('', $probed_all_hds);
fs::add2all_hds($probed_all_hds, @$manual_fstab);
%$all_hds = %$probed_all_hds;
@$fstab = fs::get::really_all_fstab($all_hds);
if (!$skip_mtab) {
#- do not mount the windows partition
fs::merge_info_from_mtab($fstab);
fs::mount_point::suggest_mount_points_always($fstab);
}
1;
}
sub write_hds {
my ($all_hds, $fstab, $set_mount_defaults, $on_reboot_needed, $opts) = @_;
if (!$::testing) {
my $hds = $all_hds->{hds};
partition_table::write($_) foreach @$hds;
$_->{rebootNeeded} and $on_reboot_needed->() foreach @$hds;
}
fs::set_removable_mntpoints($all_hds);
fs::mount_options::set_all_default($all_hds, %$opts, lang::fs_options($opts->{locale}))
if $set_mount_defaults;
@$fstab = fs::get::fstab($all_hds);
}
sub set_cdrom_symlink {
my ($raw_hds) = @_;
foreach (grep { $_->{media_type} eq 'cdrom' } @$raw_hds) {
next if $_->{device_alias};
my $alias = basename($_->{mntpoint}) or next;
log::l("using alias $alias for $_->{device}");
$_->{device_alias} = $alias;
symlink($_->{device}, "/dev/$alias");
}
}
sub check_hds_boot_and_root {
my ($all_hds, $fstab, $o_match_all_hardware) = @_;
fs::get::root_($fstab) or die "Oops, no root partition";
return if $o_match_all_hardware;
if (is_uefi()) {
if (!fs::get::has_mntpoint("/boot/EFI", $all_hds)) {
die N("You must have a ESP FAT32 partition mounted in /boot/EFI");
}
} else {
if (is_boot_bios_part_needed($all_hds, $fstab)) {
die N("You must have a BIOS boot partition for non-UEFI GPT-partitioned disks. Please create one before continuing.");
}
}
}
sub create_minimal_files() {
mkdir "$::prefix/$_", 0755 foreach
qw(dev etc etc/profile.d etc/rpm etc/sysconfig etc/sysconfig/console
etc/sysconfig/network-scripts etc/sysconfig/console/consolefonts
etc/sysconfig/console/consoletrans
home mnt run tmp var var/tmp var/lib var/lib/rpm var/lib/urpmi);
mkdir "$::prefix/$_", 0700 foreach qw(root root/tmp root/drakx);
}
sub prepare_minimal_root() {
create_minimal_files();
# ensure we've all needed devices, for bootloader install and mkinitrd:
run_program::run('mount', '--bind', '/dev', "$::prefix/dev");
run_program::run('mount', '--bind', '/run', "$::prefix/run");
eval { fs::mount::mount('none', "$::prefix/proc", 'proc') };
eval { fs::mount::mount('none', "$::prefix/sys", 'sysfs') };
eval { fs::mount::sys_kernel_debug($::prefix) };
}
sub getNeededMinSpace {
my ($n) = @_;
#- make sure of this place to be available for installation, this could help a lot.
#- currently doing a very small install use 36Mb of postinstall-rpm, but installing
#- these packages may eat up to 90Mb (of course not all the server may be installed!).
#- 65mb may be a good choice to avoid almost all problem of insuficient space left...
my $minAvailableSize = 65 * sqr(1024);
max(0.1 * $n, $minAvailableSize);
}
sub getAvailableSpace {
my ($fstab, $o_skip_mounted, $o_skip_min_space) = @_;
my $n = !$::testing && !$o_skip_mounted && getAvailableSpace_mounted($::prefix) ||
getAvailableSpace_raw($fstab) * 512 / 1.07;
$o_skip_min_space ? $n : $n - getNeededMinSpace($n);
}
sub getAvailableSpace_mounted {
my ($prefix) = @_;
my $dir = -d "$prefix/usr" ? "$prefix/usr" : $prefix;
my (undef, $free) = MDK::Common::System::df($dir) or return;
log::l("getAvailableSpace_mounted $free KB");
$free * 1024 || 1;
}
sub getAvailableSpace_raw {
my ($fstab) = @_;
do { $_->{mntpoint} eq '/usr' and return $_->{size} } foreach @$fstab;
do { $_->{mntpoint} eq '/' and return $_->{size} } foreach @$fstab;
if ($::testing) {
my $nb = 450;
log::l("taking ${nb}MB for testing");
return MB($nb);
}
die "missing root partition";
}
=head3 is_boot_bios_part_needed($all_hds, $fstab)
Returns whether a Boot BIOS Partition is needed
(aka the device holding /boot is GPT partitionned but doesn't already have one).
=cut
sub is_boot_bios_part_needed {
my ($all_hds, $fstab) = @_;
# failsafe:
return if is_uefi();
return if !@$fstab;
# mount point holding /boot:
my $root = fs::get::root($fstab, 1);
my $rootDev = $root->{rootDevice};
my $boot_hd;
if ($rootDev) {
$rootDev = "/dev/" . $rootDev if $rootDev !~ m!/!;
# is it GPT?
return if c::get_disk_type($rootDev) ne 'gpt';
($boot_hd) = find { $_->{device} eq $rootDev } fs::get::hds($all_hds);
}
# finally check if there's already a Boot BIOS Partition:
my @parts = map { partition_table::get_normal_parts($_) } $boot_hd || fs::get::hds($all_hds);
return !any { isBIOS_GRUB($_) } @parts;
}
1;
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