summaryrefslogtreecommitdiffstats
path: root/perl-install/fs/any.pm
blob: 50d03b656799c8cb5eec01d6817d8e942cdefd09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
package fs::any; # $Id$

use diagnostics;
use strict;

use common;
use fsedit;
use fs::mount_point;

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") if $::prefix; # do create the symlink to have it during install (otherwise fs::wild_device::from_part will give a non accessible device)
	symlink($_->{device}, "$::prefix/dev/$alias");
    }
}

sub check_hds_boot_and_root {
    my ($all_hds, $fstab) = @_;
    fs::get::root_($fstab) or die "Oops, no root partition";

    if (arch() =~ /ppc/ && detect_devices::get_mac_generation() =~ /NewWorld/) {
	die "Need bootstrap partition to boot system!" if !(defined $partition_table::mac::bootstrap_part);
    }

    if (arch() =~ /ia64/ && !fs::get::has_mntpoint("/boot/efi", $all_hds)) {
	die N("You must have a FAT partition mounted in /boot/efi");
    }
}

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 tmp var var/tmp var/lib var/lib/rpm var/lib/urpmi);
    mkdir "$::prefix/$_", 0700 foreach qw(root root/tmp root/drakx);

    devices::make("$::prefix/dev/null");
    chmod 0666, "$::prefix/dev/null";
}

sub prepare_minimal_root {
    my ($all_hds) = @_;

    fs::any::create_minimal_files();

    eval { fs::mount::mount('none', "$::prefix/proc", 'proc') };
    eval { fs::mount::mount('none', "$::prefix/sys", 'sysfs') };
    eval { fs::mount::usbfs($::prefix) };

    # copy all needed devices, for bootloader install and mkinitrd
    cp_af("/dev", "$::prefix");
}

sub getAvailableSpace {
    my ($fstab, $o_skip_mounted) = @_;

    #- 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);

    my $n = !$::testing && !$o_skip_mounted && getAvailableSpace_mounted($::prefix) || 
            getAvailableSpace_raw($fstab) * 512 / 1.07;
    $n - max(0.1 * $n, $minAvailableSize);
}

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";
}

1;