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

my $host_info = $bpc->HostInfoRead( $host );
print Dumper($host_info, $bpc->HostInfoRead( 'localhost' ));
die "host '$host' is not found, please add it to config/hosts configuration file\n" unless ($host_info->{$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{ClientNameAlias} = '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!";

        if ($path !~ m/\.tar\.gz$/i) {
                print "skipping $path, not .tar.gz increment\n";
                return;
        }

        print "working on $path\n";

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

        my $user = $host_info->{$host}->{user} || die "can't get user for host $host";

        $bpc->ServerMesg("log User $user started recovery from increment $path");

        my @backups = $bpc->BackupInfoRead( $host );

        my $full = 1;
        foreach my $b (@backups) {
                $full = 0 if ($b->{type} eq 'full');
        }

        my $r = $bpc->ServerMesg("backup $host $host $user $full");
        print "backup ", $full ? 'full' : 'incremental', " --> $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_increment( $restore_inc );
        } else {
                warn "skipped: $restore_inc, not file or directory\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	343	#print Dumper(\%Conf);
47	dpavlin	340
48	dpavlin	342	# check if host exists
49
50	dpavlin	343	my $host_info = $bpc->HostInfoRead( $host );
51	dpavlin	344	print Dumper($host_info, $bpc->HostInfoRead( 'localhost' ));
52			die "host '$host' is not found, please add it to config/hosts configuration file\n" unless ($host_info->{$host});
53	dpavlin	342
54	dpavlin	340	# create restore host configuration
55
56	dpavlin	342	my $restore_path = "$Conf{InstallDir}/$Conf{GzipTempDir}/${host}-restore.tar.gz";
57	dpavlin	340
58			my $conf_restore = <<'_END_OF_CONF_';
59
60			$Conf{XferMethod} = 'tar';
61
62			$Conf{TarFullArgs} = 'echo "full backups are not supported in restore!" ; exit 1';
63			$Conf{TarIncrArgs} = '';
64
65			# fake ping when restoring
66			$Conf{PingCmd} = '$pingPath -c 1 localhost',
67	dpavlin	345	$Conf{ClientNameAlias} = 'localhost';
68	dpavlin	340
69			$Conf{TarClientCmd} = 'zcat __restore_path__';
70
71			1;
72
73			_END_OF_CONF_
74
75			$conf_restore =~ s/__restore_path__/$restore_path/gs;
76
77	dpavlin	342	my $config_file = "$bpc->{TopDir}/conf/${host}.pl";
78	dpavlin	340
79			open(my $host_fh, '>', $config_file) \|\| die "can't open $config_file: $!";
80			print $host_fh $conf_restore \|\| die "can't write configuration in $config_file: $!";
81			close($host_fh) \|\| die "can't close $config_file: $!";
82
83			warn "written config:\n$conf_restore\n";
84
85			sub restore_increment {
86			my $path = shift \|\| die "need path!";
87
88	dpavlin	347	if ($path !~ m/\.tar\.gz$/i) {
89			print "skipping $path, not .tar.gz increment\n";
90			return;
91			}
92
93	dpavlin	333	print "working on $path\n";
94
95			if (-e $restore_path) {
96			unlink $restore_path \|\| die "can't remove $restore_path: $!\n";
97			}
98	dpavlin	346	symlink $path, $restore_path \|\| die "can't create link $path -> $restore_path: $!\n";
99	dpavlin	333
100	dpavlin	344	my $user = $host_info->{$host}->{user} \|\| die "can't get user for host $host";
101	dpavlin	333
102	dpavlin	344	$bpc->ServerMesg("log User $user started recovery from increment $path");
103
104	dpavlin	348	my @backups = $bpc->BackupInfoRead( $host );
105
106			my $full = 1;
107			foreach my $b (@backups) {
108			$full = 0 if ($b->{type} eq 'full');
109			}
110
111	dpavlin	344	my $r = $bpc->ServerMesg("backup $host $host $user $full");
112	dpavlin	348	print "backup ", $full ? 'full' : 'incremental', " --> $r";
113	dpavlin	342	die $r if ($r =~ m/^error/);
114	dpavlin	333
115			# Status_backup_in_progress
116			# Status_idle
117
118	dpavlin	340	my ($state,$last_state) = ('','x');
119	dpavlin	333
120			while ($state ne 'Status_idle') {
121			my $s = $bpc->ServerMesg("status hosts");
122			my %Status;
123			{
124			eval "$s";
125			}
126			$state = $Status{restore}->{state};
127	dpavlin	342
128			die $state if ($state =~ m/^error/);
129
130	dpavlin	340	if ($state ne $last_state) {
131			print "\n$state"; #, Dumper($Status{restore});
132			} else {
133			print ".";
134			}
135			$last_state = $state;
136	dpavlin	333	sleep 1;
137			}
138	dpavlin	340	print "\n";
139	dpavlin	333	}
140
141	dpavlin	340	# now, start restore
142	dpavlin	333
143	dpavlin	340	foreach my $restore_inc (@ARGV) {
144
145			if (-d $restore_inc) {
146
147			find({ wanted => sub {
148			restore_increment( $File::Find::name );
149			}, follow => 0 }, $restore_inc);
150
151	dpavlin	347	} elsif (-f $restore_inc) {
152	dpavlin	340	restore_increment( $restore_inc );
153			} else {
154	dpavlin	347	warn "skipped: $restore_inc, not file or directory\n";
155	dpavlin	340	}
156
157			}
158
159			#unlink $config_file \|\| die "can't remove $config_file: $!";