Annotation of /trunk/bin/BackupPC_recover_from_increments

#!/usr/bin/perl -w

use strict;

=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;

my $host = 'restore';

# 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);

# check if host exists

die "host $host is not found" unless ($bpc->HostInfoRead( $host ));

# create restore host configuration

my $restore_path = "$Conf{InstallDir}/$Conf{GzipTempDir}/${host}-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/${host}.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 $host $host backuppc $full");
        print "backup --> $r";
        die $r if ($r =~ m/^error/);

        # 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};

                die $state if ($state =~ m/^error/);

                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	342	use strict;
4
5	dpavlin	340	=head1 NAME
6	dpavlin	333
7	dpavlin	340	BackupPC_recover_from_increments
8	dpavlin	333
9	dpavlin	340	=head1 DESCRIPTION
10
11			quick hack to create BackupPC pool out of increments
12
13			=head1 SYNOPSYS
14
15			BackupPC_recover_from_increments /restore/from/directory/ [/path/to/increment/to/restore.tar.gz ... ]
16
17			=head1 HISTORY
18
19			2006-02-07 Dobrica Pavlinusic <dpavlin@rot13.org>
20
21			=cut
22
23	dpavlin	333	use File::Find;
24			use Data::Dumper;
25
26			use lib "/data/backuppc/lib";
27			use BackupPC::Lib;
28
29	dpavlin	342	my $host = 'restore';
30
31	dpavlin	333	# connect to BackupPC_server
32
33			die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );
34	dpavlin	340	my %Conf = $bpc->Conf();
35	dpavlin	333
36			$bpc->ChildInit();
37
38			my $err = $bpc->ServerConnect($Conf{ServerHost}, $Conf{ServerPort});
39			if ( $err ) {
40			print("Can't connect to server ($err)\n");
41			exit(1);
42			}
43
44	dpavlin	340	my $TopDir = $bpc->TopDir();
45	dpavlin	333
46	dpavlin	340	print Dumper(\%Conf);
47
48	dpavlin	342	# check if host exists
49
50			die "host $host is not found" unless ($bpc->HostInfoRead( $host ));
51
52	dpavlin	340	# create restore host configuration
53
54	dpavlin	342	my $restore_path = "$Conf{InstallDir}/$Conf{GzipTempDir}/${host}-restore.tar.gz";
55	dpavlin	340
56			my $conf_restore = <<'_END_OF_CONF_';
57
58			$Conf{XferMethod} = 'tar';
59
60			$Conf{TarFullArgs} = 'echo "full backups are not supported in restore!" ; exit 1';
61			$Conf{TarIncrArgs} = '';
62
63			# fake ping when restoring
64			$Conf{PingCmd} = '$pingPath -c 1 localhost',
65
66			$Conf{TarClientCmd} = 'zcat __restore_path__';
67
68			1;
69
70			_END_OF_CONF_
71
72			$conf_restore =~ s/__restore_path__/$restore_path/gs;
73
74	dpavlin	342	my $config_file = "$bpc->{TopDir}/conf/${host}.pl";
75	dpavlin	340
76			open(my $host_fh, '>', $config_file) \|\| die "can't open $config_file: $!";
77			print $host_fh $conf_restore \|\| die "can't write configuration in $config_file: $!";
78			close($host_fh) \|\| die "can't close $config_file: $!";
79
80			warn "written config:\n$conf_restore\n";
81
82			sub restore_increment {
83			my $path = shift \|\| die "need path!";
84
85	dpavlin	333	print "working on $path\n";
86
87			if (-e $restore_path) {
88			unlink $restore_path \|\| die "can't remove $restore_path: $!\n";
89			}
90			link $path, $restore_path \|\| die "can't create link $path -> $restore_path: $!\n";
91
92	dpavlin	340	$bpc->ServerMesg("log User backuppc started restore of $path");
93	dpavlin	333
94			my $full = 0;
95	dpavlin	342	my $r = $bpc->ServerMesg("backup $host $host backuppc $full");
96	dpavlin	340	print "backup --> $r";
97	dpavlin	342	die $r if ($r =~ m/^error/);
98	dpavlin	333
99			# Status_backup_in_progress
100			# Status_idle
101
102	dpavlin	340	my ($state,$last_state) = ('','x');
103	dpavlin	333
104			while ($state ne 'Status_idle') {
105			my $s = $bpc->ServerMesg("status hosts");
106			my %Status;
107			{
108			eval "$s";
109			}
110			$state = $Status{restore}->{state};
111	dpavlin	342
112			die $state if ($state =~ m/^error/);
113
114	dpavlin	340	if ($state ne $last_state) {
115			print "\n$state"; #, Dumper($Status{restore});
116			} else {
117			print ".";
118			}
119			$last_state = $state;
120	dpavlin	333	sleep 1;
121			}
122	dpavlin	340	print "\n";
123	dpavlin	333	}
124
125	dpavlin	340	# now, start restore
126	dpavlin	333
127	dpavlin	340	foreach my $restore_inc (@ARGV) {
128
129			if (-d $restore_inc) {
130
131			find({ wanted => sub {
132			restore_increment( $File::Find::name );
133			}, follow => 0 }, $restore_inc);
134
135			} elsif (-f $restore_inc && $restore_inc =~ m/\.tar\.gz$/i) {
136			restore_increment( $restore_inc );
137			} else {
138			warn "skipped: $restore_inc, not directory or .tar.gz increment\n";
139			}
140
141			}
142
143			#unlink $config_file \|\| die "can't remove $config_file: $!";