/[BackupPC]/trunk/bin/BackupPC_recover_from_increments
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revision 333 by dpavlin, Tue Feb 7 21:22:29 2006 UTC revision 357 by dpavlin, Thu Apr 27 09:45:01 2006 UTC
# Line 1  Line 1 
1  #!/usr/bin/perl -w  #!/usr/bin/perl -w
2    
3  # quick hack to create BackupPC pool out of increments  use strict;
4    
5  # 2006-02-07 Dobrica Pavlinusic <dpavlin@rot13.org>  =head1 NAME
6    
7    BackupPC_recover_from_increments
8    
9    =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  use File::Find;  use File::Find;
24    use File::Path;
25  use Data::Dumper;  use Data::Dumper;
26    
27  use lib "/data/backuppc/lib";  use lib "/data/backuppc/lib";
28  use BackupPC::Lib;  use BackupPC::Lib;
29    
30    my $host = 'restore';
31  my $restore_path = './temp/restore.tar.gz';  my $share = '/etc';
32    
33  # connect to BackupPC_server  # connect to BackupPC_server
34    
35  die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );  die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) );
36  my %Conf   = $bpc->Conf();  my %Conf = $bpc->Conf();
37    
38  $bpc->ChildInit();  $bpc->ChildInit();
39    
# Line 26  if ( $err ) { Line 43  if ( $err ) {
43      exit(1);      exit(1);
44  }  }
45    
46  sub increment {  my $TopDir = $bpc->TopDir();
47          my $path = $File::Find::name;  
48    #print Dumper(\%Conf);
49    
50    # check if host exists
51    
52    my $host_info = $bpc->HostInfoRead( $host );
53    #print Dumper($host_info, $bpc->HostInfoRead( 'localhost' ));
54    die "host '$host' is not found, please add it to config/hosts configuration file\n" unless ($host_info->{$host});
55    
56    # take care of temporary directory for increments
57    
58    my $inc_tmp_dir = $Conf{IncrementTempDir} || die "need working directory in IncrementTempDir\n";
59    rmtree($inc_tmp_dir) if (-e $inc_tmp_dir);
60    
61    mkpath($inc_tmp_dir);
62    
63    print "# using $inc_tmp_dir for increment scratch space";
64    
65    # create restore host configuration
66    
67    my $conf_restore = <<'_END_OF_CONF_';
68    
69    $Conf{XferMethod} = 'tar';
70    $Conf{TarShareName} = '__share__';
71    
72    # disable ping
73    $Conf{PingCmd} = '';
74    # work-around for Backup aborted because of CorrectHostCheck
75    $Conf{FixedIPNetBiosNameCheck} = 0;
76    $Conf{NmbLookupCmd} = '';
77    $Conf{ClientNameAlias} = 'localhost';
78    
79    #$Conf{TarIncrArgs} = '';
80    #$Conf{ClientTimeout} = 600;
81    #$Conf{TarClientCmd} = '';
82    #$Conf{TarFullArgs} = 'gzip -cdv __restore_path__';
83    
84    $Conf{TarClientCmd} = '$tarPath -c -v -f - -C __inc_tmp_dir__ --totals';
85    
86    1;
87    
88          print "working on $path\n";  _END_OF_CONF_
89    
90          if (-e $restore_path) {  $conf_restore =~ s/__share__/$share/gs;
91                  unlink $restore_path || die "can't remove $restore_path: $!\n";  $conf_restore =~ s/__inc_tmp_dir__/$inc_tmp_dir/gs;
92    
93    my $config_file = "$bpc->{TopDir}/conf/${host}.pl";
94    
95    open(my $host_fh, '>', $config_file) || die "can't open $config_file: $!";
96    print $host_fh $conf_restore || die "can't write configuration in $config_file: $!";
97    close($host_fh) || die "can't close $config_file: $!";
98    
99    warn "written config:\n$conf_restore\n";
100    
101    sub restore_increment {
102            my $path = shift || die "need path!";
103    
104            if ($path !~ m/\.tar\.gz$/i) {
105                    print "# skipping $path, not .tar.gz increment\n";
106                    return;
107          }          }
         link $path, $restore_path || die "can't create link $path -> $restore_path: $!\n";  
108    
109          $bpc->ServerMesg("log User backuppc started restore of $restore_path");          print "restoring $path\n";
110    
111            my $cmd = "cd $inc_tmp_dir && tar xfz $path";
112            system($cmd) == 0 or die "can't execute: $cmd -- $?\n";
113    
114            print "starting import into BackupPC pool\n";
115    
116            my $user = $host_info->{$host}->{user} || die "can't get user for host $host";
117    
118            $bpc->ServerMesg("log User $user started recovery from increment $path");
119    
120            my @backups = $bpc->BackupInfoRead( $host );
121    
122            my $full = 1;
123            foreach my $b (@backups) {
124                    $full = 0 if ($b->{type} eq 'full');
125            }
126    
127          my $full = 0;          my $r = $bpc->ServerMesg("backup $host $host $user $full");
128          my $r = $bpc->ServerMesg("backup restore restore backuppc $full");          print "backup ", $full ? 'full' : 'incremental', " --> $r";
129          print "backup --> $r\n";          die $r if ($r =~ m/^error/);
130    
131          # Status_backup_in_progress          # Status_backup_in_progress
132          # Status_idle          # Status_idle
133    
134          my $state = 'unknown';          my ($state,$last_state) = ('','x');
135    
136          while ($state ne 'Status_idle') {          while ($state ne 'Status_idle') {
137                  my $s = $bpc->ServerMesg("status hosts");                  my $s = $bpc->ServerMesg("status hosts");
# Line 54  sub increment { Line 140  sub increment {
140                          eval "$s";                          eval "$s";
141                  }                  }
142                  $state = $Status{restore}->{state};                  $state = $Status{restore}->{state};
143                  print "# $state\n"; #, Dumper($Status{restore});  
144                    die $state if ($state =~ m/^error/);
145    
146                    if ($state ne $last_state) {
147                            print "\n$state"; #, Dumper($Status{restore});
148                    } else {
149                            print ".";
150                    }
151                    $last_state = $state;
152                  sleep 1;                  sleep 1;
153          }          }
154            print "\n";
155    }
156    
157    # now, start restore
158    
159    foreach my $restore_inc (@ARGV) {
160    
161            if (-d $restore_inc) {
162    
163                    find({ wanted => sub {
164                            restore_increment( $File::Find::name );
165                    }, follow => 0 }, $restore_inc);
166    
167            } elsif (-f $restore_inc) {
168                    restore_increment( $restore_inc );
169            } else {
170                    warn "skipped: $restore_inc, not file or directory\n";
171            }
172    
173  }  }
174    
175  find({ wanted => \&increment, follow => 0 }, './temp');  #unlink $config_file || die "can't remove $config_file: $!";
176    
177    rmtree($inc_tmp_dir) if (-e $inc_tmp_dir);
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