Annotation of /trunk/bin/BackupPC_recover_from_increments

#!/usr/bin/perl -w

=head1 NAME

BackupPC_recover_from_increments

=head1 DESCRIPTION

quick hack to create BackupPC pool out of increments

=head1 SYNOPSYS

 BackupPC_recover_from_increments /restore/from/directory/ [/path/to/increment/to/restore.tar.gz ... ]

=head1 HISTORY

2006-02-07 Dobrica Pavlinusic <dpavlin@rot13.org>

=cut

use File::Find;
use Data::Dumper;

use lib "/data/backuppc/lib";
use BackupPC::Lib;

# connect to BackupPC_server

die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );
my %Conf = $bpc->Conf();

$bpc->ChildInit();

my $err = $bpc->ServerConnect($Conf{ServerHost}, $Conf{ServerPort});
if ( $err ) {
    print("Can't connect to server ($err)\n");
    exit(1);
}

my $TopDir = $bpc->TopDir();

print Dumper(\%Conf);

# create restore host configuration

my $restore_path = "$TopDir/$temp/restore.tar.gz";

my $conf_restore = <<'_END_OF_CONF_';

$Conf{XferMethod} = 'tar';

$Conf{TarFullArgs} = 'echo "full backups are not supported in restore!" ; exit 1';
$Conf{TarIncrArgs} = '';

# fake ping when restoring
$Conf{PingCmd} = '$pingPath -c 1 localhost',

$Conf{TarClientCmd} = 'zcat __restore_path__';

1;

_END_OF_CONF_

$conf_restore =~ s/__restore_path__/$restore_path/gs;

my $config_file = "$bpc->{TopDir}/conf/restore.pl";

open(my $host_fh, '>', $config_file) || die "can't open $config_file: $!";
print $host_fh $conf_restore || die "can't write configuration in $config_file: $!";
close($host_fh) || die "can't close $config_file: $!";

warn "written config:\n$conf_restore\n";

sub restore_increment {
        my $path = shift || die "need path!";

        print "working on $path\n";

        if (-e $restore_path) {
                unlink $restore_path || die "can't remove $restore_path: $!\n";
        }
        link $path, $restore_path || die "can't create link $path -> $restore_path: $!\n";

        $bpc->ServerMesg("log User backuppc started restore of $path");

        my $full = 0;
        my $r = $bpc->ServerMesg("backup restore restore backuppc $full");
        print "backup --> $r";

        # Status_backup_in_progress
        # Status_idle

        my ($state,$last_state) = ('','x');

        while ($state ne 'Status_idle') {
                my $s = $bpc->ServerMesg("status hosts");
                my %Status;
                {
                        eval "$s";
                }
                $state = $Status{restore}->{state};
                if ($state ne $last_state) {
                        print "\n$state"; #, Dumper($Status{restore});
                } else {
                        print ".";
                }
                $last_state = $state;
                sleep 1;
        }
        print "\n";
}

# now, start restore

foreach my $restore_inc (@ARGV) {

        if (-d $restore_inc) {

                find({ wanted => sub {
                        restore_increment( $File::Find::name );
                }, follow => 0 }, $restore_inc);

        } elsif (-f $restore_inc && $restore_inc =~ m/\.tar\.gz$/i) {
                restore_increment( $restore_inc );
        } else {
                warn "skipped: $restore_inc, not directory or .tar.gz increment\n";
        }

}

#unlink $config_file || die "can't remove $config_file: $!";
1	dpavlin	333	#!/usr/bin/perl -w
2
3	dpavlin	340	=head1 NAME
4	dpavlin	333
5	dpavlin	340	BackupPC_recover_from_increments
6	dpavlin	333
7	dpavlin	340	=head1 DESCRIPTION
8
9			quick hack to create BackupPC pool out of increments
10
11			=head1 SYNOPSYS
12
13			BackupPC_recover_from_increments /restore/from/directory/ [/path/to/increment/to/restore.tar.gz ... ]
14
15			=head1 HISTORY
16
17			2006-02-07 Dobrica Pavlinusic <dpavlin@rot13.org>
18
19			=cut
20
21	dpavlin	333	use File::Find;
22			use Data::Dumper;
23
24			use lib "/data/backuppc/lib";
25			use BackupPC::Lib;
26
27			# connect to BackupPC_server
28
29			die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );
30	dpavlin	340	my %Conf = $bpc->Conf();
31	dpavlin	333
32			$bpc->ChildInit();
33
34			my $err = $bpc->ServerConnect($Conf{ServerHost}, $Conf{ServerPort});
35			if ( $err ) {
36			print("Can't connect to server ($err)\n");
37			exit(1);
38			}
39
40	dpavlin	340	my $TopDir = $bpc->TopDir();
41	dpavlin	333
42	dpavlin	340	print Dumper(\%Conf);
43
44			# create restore host configuration
45
46			my $restore_path = "$TopDir/$temp/restore.tar.gz";
47
48			my $conf_restore = <<'_END_OF_CONF_';
49
50			$Conf{XferMethod} = 'tar';
51
52			$Conf{TarFullArgs} = 'echo "full backups are not supported in restore!" ; exit 1';
53			$Conf{TarIncrArgs} = '';
54
55			# fake ping when restoring
56			$Conf{PingCmd} = '$pingPath -c 1 localhost',
57
58			$Conf{TarClientCmd} = 'zcat __restore_path__';
59
60			1;
61
62			_END_OF_CONF_
63
64			$conf_restore =~ s/__restore_path__/$restore_path/gs;
65
66			my $config_file = "$bpc->{TopDir}/conf/restore.pl";
67
68			open(my $host_fh, '>', $config_file) \|\| die "can't open $config_file: $!";
69			print $host_fh $conf_restore \|\| die "can't write configuration in $config_file: $!";
70			close($host_fh) \|\| die "can't close $config_file: $!";
71
72			warn "written config:\n$conf_restore\n";
73
74			sub restore_increment {
75			my $path = shift \|\| die "need path!";
76
77	dpavlin	333	print "working on $path\n";
78
79			if (-e $restore_path) {
80			unlink $restore_path \|\| die "can't remove $restore_path: $!\n";
81			}
82			link $path, $restore_path \|\| die "can't create link $path -> $restore_path: $!\n";
83
84	dpavlin	340	$bpc->ServerMesg("log User backuppc started restore of $path");
85	dpavlin	333
86			my $full = 0;
87			my $r = $bpc->ServerMesg("backup restore restore backuppc $full");
88	dpavlin	340	print "backup --> $r";
89	dpavlin	333
90			# Status_backup_in_progress
91			# Status_idle
92
93	dpavlin	340	my ($state,$last_state) = ('','x');
94	dpavlin	333
95			while ($state ne 'Status_idle') {
96			my $s = $bpc->ServerMesg("status hosts");
97			my %Status;
98			{
99			eval "$s";
100			}
101			$state = $Status{restore}->{state};
102	dpavlin	340	if ($state ne $last_state) {
103			print "\n$state"; #, Dumper($Status{restore});
104			} else {
105			print ".";
106			}
107			$last_state = $state;
108	dpavlin	333	sleep 1;
109			}
110	dpavlin	340	print "\n";
111	dpavlin	333	}
112
113	dpavlin	340	# now, start restore
114	dpavlin	333
115	dpavlin	340	foreach my $restore_inc (@ARGV) {
116
117			if (-d $restore_inc) {
118
119			find({ wanted => sub {
120			restore_increment( $File::Find::name );
121			}, follow => 0 }, $restore_inc);
122
123			} elsif (-f $restore_inc && $restore_inc =~ m/\.tar\.gz$/i) {
124			restore_increment( $restore_inc );
125			} else {
126			warn "skipped: $restore_inc, not directory or .tar.gz increment\n";
127			}
128
129			}
130
131			#unlink $config_file \|\| die "can't remove $config_file: $!";