initial import

git-svn-id: http://svn.mandriva.com/svn/soft/draksnapshot/trunk@237660 99302b65-d5f7-0310-b3dd-f8cd6f4e3d94

3 files changed, 258 insertions, 0 deletions

diff --git a/lib/MDV/Snapshot/.perl_checker b/lib/MDV/Snapshot/.perl_checker
new file mode 120000
index 0000000..6246b2f
--- /dev/null
+++ b/lib/MDV/Snapshot/.perl_checker
@@ -0,0 +1 @@
+../../../.perl_checker
\ No newline at end of file
diff --git a/lib/MDV/Snapshot/Common.pm b/lib/MDV/Snapshot/Common.pm
new file mode 100644
index 0000000..3ef2d63
--- /dev/null
+++ b/lib/MDV/Snapshot/Common.pm
@@ -0,0 +1,47 @@
+package MDV::Snapshot::Common;
+
+################################################################################
+# Backup Configuration Tool                                                    # 
+#                                                                              #
+# Copyright (C) 2008 Mandriva                                                  #
+#                                                                              #
+# Thierry Vignaud <tvignaud at mandriva dot com>                               #
+#                                                                              #
+# 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.                                 #
+#                                                                              #
+# You should have received a copy of the GNU General Public License            #
+# along with this program; if not, write to the Free Software                  #
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.   #
+################################################################################
+
+
+use lib qw(/usr/lib/libDrakX);
+use common;
+
+use Exporter;
+our @ISA = qw(Exporter);
+our @EXPORT = qw($config_file $backup_directory);
+
+our ($config_file, $backup_directory);
+
+sub init {
+    $config_file = "$::prefix/etc/rsnapshot.conf";
+
+    $backup_directory = "$::prefix/" .
+      (split(/\s/, (find { /^snapshot_root\s/ } cat_($config_file)), 2))[1];
+    
+    # normalize for glob():
+    chomp($backup_directory);
+    $backup_directory =~ s!/*$!!;
+}
+
+init();
+
+1;
diff --git a/lib/MDV/Snapshot/Restore.pm b/lib/MDV/Snapshot/Restore.pm
new file mode 100644
index 0000000..0a2a83c
--- /dev/null
+++ b/lib/MDV/Snapshot/Restore.pm
@@ -0,0 +1,210 @@
+package MDV::Snapshot::Restore;
+
+################################################################################
+# Backup Configuration Tool                                                    # 
+#                                                                              #
+# Copyright (C) 2008 Mandriva                                                  #
+#                                                                              #
+# Thierry Vignaud <tvignaud at mandriva dot com>                               #
+#                                                                              #
+# 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.                                 #
+#                                                                              #
+# You should have received a copy of the GNU General Public License            #
+# along with this program; if not, write to the Free Software                  #
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.   #
+################################################################################
+
+
+use lib qw(/usr/lib/libDrakX);
+use c;
+use locale;
+use MDV::Snapshot::Common;
+use common;
+use interactive;
+use POSIX;
+use run_program;
+use fsedit;
+use fs::type;
+use fs;
+use any;
+
+sub get_fstab() {
+    my $all_hds = fsedit::get_hds();
+    fs::get_raw_hds('', $all_hds);
+    fs::get_info_from_fstab($all_hds);
+    [ fs::get::fstab($all_hds) ]; # $fstab
+}
+
+sub get_handle {
+    my ($fstab, $part, $o_rw) = @_;
+    my ($mntpnt) = map { $_->{mntpoint} } grep { $_->{device} eq $part->{device} } @$fstab;
+    
+    # do not bother failed to mount with ro b/c already mounted:
+    $mntpnt ? { dir => $mntpnt } : any::inspect($part, $::prefix, $o_rw);
+}
+
+
+sub find_disks_with_rsnapshot {
+    my ($fstab) = @_;
+
+    my @true_fs = 
+      grep { isTrueLocalFS($_) && 
+	     !member($_->{mntpoint},
+                     '/home', grep { $_ ne '/' } fs::type::directories_needed_to_boot());
+	 } @$fstab;
+
+    log::l("looking for rsnapshot.conf on partitions " . join(' ', map { $_->{device} } @true_fs));
+
+    my @found;
+    foreach my $part (@true_fs) {
+        my $handle = get_handle($fstab, $part);
+        next if !$handle;
+        next if ! -e "$handle->{dir}/etc/rsnapshot.conf";
+
+	if (my $f = common::release_file($handle->{dir})) {
+	    my $h = common::parse_release_file($handle->{dir}, $f, $part);
+	    $h->{name} = $h->{release};
+	    push @found, $h;
+	}
+    }
+
+    return @found;
+}
+
+sub get_snapshots() {
+    my %backups = 
+      map {
+          my $backup = $_;
+          my ($type, $_number) = m!$backup_directory/([^/]*)\.([0-9]*)!;
+          my $raw_date = [ stat($backup) ]->[-4];
+          my $date = POSIX::strftime($type eq 'hourly' ? "%c" : "%x", localtime($raw_date));
+          c::set_tagged_utf8($date);
+          $backup => { raw_date => $raw_date, date => $date, backup => $backup, type => $type };
+      } glob_("$backup_directory/*");
+    %backups;
+}
+
+sub configure {
+    my ($in) = @_;
+    my $backup;
+    my %backups = get_snapshots();
+
+    if (!%backups) {
+        $in->ask_warn(N("Error"), N("No backup found!"));
+        return;
+    }
+
+    my %i18n = (
+        'hourly'  => N("Hourly"),
+        'daily'   => N("Daily"),
+        'weekly'  => N("Weekly"),
+        'monthly' => N("Monthly"),
+    );
+
+    $in->ask_from_(
+        { 
+            title => N("Backup snapshots configuration"),
+        },
+        [
+            { title => 1, label => N("Backup snapshots configuration") },
+            { label => N("Please select the backup you want to restore.") },
+            { val => \$backup, sort => 0, allow_empty_list => 1,
+              format => sub { 
+                  #-PO: eg: "Daily snapshot done on Sun Feb 4
+                  N("%s snapshot done on %s", $i18n{$backups{$_[0]}{type}}, $backups{$_[0]}{date});
+              },
+              list => [ sort { $backups{$a}{raw_date} cmp $backups{$b}{raw_date} } keys %backups ],
+          },
+        ]) or return;
+
+    my $_wait = $in->wait_message(N("Please wait"), N("Restoring backup in progress"));
+    my $backup_dir = $backups{$backup}{backup};
+    # FIXME: add a progress bar
+    foreach (glob_("$backup_dir/localhost/*")) {
+        my $dir = $_;
+        s!^$backup_dir/localhost!!;
+        log::l("would run system('rsync', '-vrlpt', $dir, $::prefix$_)\n") if $::testing;
+        # FIXME: should we use --delete?
+        run_program::run('rsync', '-vrlpt', $dir, "$::prefix$_") if !$::testing;
+    }
+}
+
+
+sub mount_all {
+    my ($in, $fstab) = @_;
+    local $::testing = 0;
+
+    my @errs;
+    foreach my $part (sort { $a->{mntpoint} cmp $b->{mntpoint} }
+        grep { $_->{mntpoint} && maybeFormatted($_) && $_->{device} ne 'none'
+                 && !member($_->{fs_type}, 'swap', 'nfs', if_($::isInstall, 'ntfs'));
+           }
+        @$fstab) {
+
+        eval { fs::mount::part($part) };
+        push @errs, $@ if $@;
+    }
+    $in->ask_warn(N("Warning"), N("mount failled:") . join("\n", '', @errs)) if @errs;
+}
+
+sub main {
+    my ($in) = @_;
+
+    my ($system, $fstab, @found);
+  refresh:
+    $fstab = get_fstab();
+    @found = find_disks_with_rsnapshot($fstab);
+
+    $in->ask_from_({ interactive_help_id => 'configureX_chooser',
+		     title => N("Restoring Backup"), 
+                     messages => join("\n",
+                                      N("Please select the partition of the system to restore."),
+                                      N("Do not forgot to plug the USB disk that contains your backups."),
+                                  )
+                 },
+		   [
+                       { label => N("System to restore"),  },
+                       {
+                           val => \$system, list => \@found, allow_empty_list => 1,
+                           format => sub { 
+                               my $dev = $_[0];
+                               N("\"%s\" (on %s)", $dev->{name}, $dev->{part}{device});
+                           },
+                       },
+                       {
+                           val => N("Refresh"), clicked => sub { goto refresh },
+                       },
+                   ]);
+
+    my $handle = get_handle($fstab, $system->{part}, 1);
+    local $::prefix = $handle->{dir};
+
+    # reinit paths according to temp mount point:
+    MDV::Snapshot::Common::init();
+
+    my $ch_fstab;
+    if (ref($handle) =~ /before_leaving/) {
+        $ch_fstab = [ fs::read_fstab($::prefix, '/etc/fstab') ];
+        mount_all($in, $ch_fstab);
+    }
+
+    configure($in);
+
+    # make sure everything is umounted:
+    if (ref($handle) =~ /before_leaving/) {
+
+        # reread for {real_mountpoint}:
+        $ch_fstab = [ fs::read_fstab($::prefix, '/etc/fstab') ];
+
+        eval { fs::mount::umount_all($ch_fstab) };
+    }
+}
+
+1;