/[BackupPC]/trunk/bin/BackupPC_incPartsUpdate
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Annotation of /trunk/bin/BackupPC_incPartsUpdate

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Revision 194 - (hide annotations)
Thu Oct 13 17:11:59 2005 UTC (18 years, 7 months ago) by dpavlin
File size: 3382 byte(s)
 r8502@llin:  dpavlin | 2005-10-13 19:05:29 +0200
 split archives which are larger than MaxArchiveSize to multiple parts

1 dpavlin 157 #!/usr/local/bin/perl -w
2    
3     use strict;
4     use lib "__INSTALLDIR__/lib";
5    
6     use DBI;
7     use BackupPC::Lib;
8     use BackupPC::View;
9     use Data::Dumper;
10     use Time::HiRes qw/time/;
11     use POSIX qw/strftime/;
12     use BackupPC::SearchLib;
13     use Cwd qw/abs_path/;
14    
15     my $path = abs_path($0);
16     $path =~ s#/[^/]+$#/#;
17     my $tarIncCreate = $path .= 'BackupPC_tarIncCreate';
18    
19     die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate);
20    
21 dpavlin 162 my $debug = 0;
22 dpavlin 157 $|=1;
23    
24     my $start_t = time();
25    
26     my $t_fmt = '%Y-%m-%d %H:%M:%S';
27    
28     my $hosts;
29     my $bpc = BackupPC::Lib->new || die;
30     my %Conf = $bpc->Conf();
31     my $TopDir = $bpc->TopDir();
32     my $beenThere = {};
33    
34     my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n";
35     my $user = $Conf{SearchUser} || '';
36    
37     my $dbh = DBI->connect($dsn, $user, "", { RaiseError => 1, AutoCommit => 0 });
38    
39     my $tar_dir = $Conf{InstallDir}.'/'.$Conf{GzipTempDir};
40    
41     die "problem with $tar_dir, check GzipTempDir in configuration\n" unless (-d $tar_dir && -w $tar_dir);
42    
43     #---- subs ----
44    
45     sub fmt_time {
46     my $t = shift || return;
47     my $out = "";
48     my ($ss,$mm,$hh) = gmtime($t);
49     $out .= "${hh}h" if ($hh);
50     $out .= sprintf("%02d:%02d", $mm,$ss);
51     return $out;
52     }
53    
54     sub curr_time {
55     return strftime($t_fmt,localtime());
56     }
57    
58     #----- main
59    
60     my $sth = $dbh->prepare( qq{
61    
62     select
63 dpavlin 158 backups.id as backup_id,
64 dpavlin 157 hosts.name as host,
65     shares.name as share,
66 dpavlin 192 backups.num as num,
67     inc_size
68 dpavlin 157 from backups
69     join shares on backups.hostid = shares.hostid
70     and shares.id = backups.shareid
71     join hosts on shares.hostid = hosts.id
72 dpavlin 192 where not inc_deleted
73 dpavlin 157 order by backups.date
74    
75     } );
76    
77     $sth->execute();
78    
79 dpavlin 158 my $sth_inc_size = $dbh->prepare(qq{ update backups set inc_size = ? where id = ? });
80 dpavlin 163 my $sth_inc_deleted = $dbh->prepare(qq{ update backups set inc_deleted = ? where id = ? });
81 dpavlin 158
82 dpavlin 157 %BackupPC::SearchLib::Conf = %Conf;
83    
84     while (my $row = $sth->fetchrow_hashref) {
85     my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'});
86 dpavlin 192
87 dpavlin 194 # this will return -1 if file doesn't exist
88     my $size = BackupPC::SearchLib::get_tgz_size_by_name($tar_file);
89 dpavlin 192
90 dpavlin 182 print curr_time, " ", $row->{'host'}, ":", $row->{'share'}, " #", $row->{'num'}, " -> $tar_file";
91 dpavlin 157
92     my $t = time();
93    
94 dpavlin 194 # re-create archive?
95     if ($row->{'inc_size'} == -1 || $size == -1 || $row->{'inc_size'} != $size) {
96     my $cmd = qq{$tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} | gzip -9 > $tar_dir/$tar_file};
97     print STDERR "## $cmd\n" if ($debug);
98 dpavlin 157
99 dpavlin 194 system($cmd) == 0 or die "failed: $?";
100    
101     $size = (stat( "$tar_dir/$tar_file" ))[7];
102     }
103 dpavlin 157
104 dpavlin 194 if ($size > 45) {
105 dpavlin 157
106 dpavlin 194 my $max_size = $Conf{'MaxArchiveSize'} || die "problem with MaxArchieSize parametar";
107 dpavlin 158
108 dpavlin 194 if ($size > $max_size && ! -d "$tar_dir/$tar_file") {
109     print " split";
110     my $in = my $out = "$tar_dir/$tar_file";
111     $out .= '.tmp';
112     rename $in, $out || die "can't rename $in: $!";
113     mkdir $in || die "can't mkdir $in: $!";
114     system("split -d -b $max_size $out $in/part") == 0 or die "can't split $out: $!";
115     unlink $out || die "can't unlink $out: $!";
116     }
117    
118 dpavlin 163 $sth_inc_size->execute($size, $row->{'backup_id'});
119 dpavlin 168 $sth_inc_deleted->execute(0, $row->{'backup_id'});
120 dpavlin 194
121     printf(" %1.2f MB", ($size / 1024 / 1024));
122    
123 dpavlin 163 } else {
124     $sth_inc_deleted->execute(1, $row->{'backup_id'});
125     unlink "$tar_dir/$tar_file" || die "can't delete $tar_dir/$tar_file: $!\n";
126     print " EMPTY";
127     }
128 dpavlin 194 print ", dur: ",fmt_time(time() - $t), "\n";
129 dpavlin 158
130     $dbh->commit;
131    
132 dpavlin 157 }
133    
134     undef $sth;
135     $dbh->disconnect;

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