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#!/usr/local/bin/perl -w |
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|
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use strict; |
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use lib "__INSTALLDIR__/lib"; |
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|
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use DBI; |
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use BackupPC::Lib; |
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use BackupPC::View; |
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use BackupPC::Attrib qw/:all/; |
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use Data::Dumper; |
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use Time::HiRes qw/time/; |
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use POSIX qw/strftime/; |
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use Cwd qw/abs_path/; |
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use File::Which; |
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use Archive::Tar::Streamed; |
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use Algorithm::Diff; |
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use Getopt::Std; |
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|
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my $bpc = BackupPC::Lib->new || die "can't create BackupPC::Lib"; |
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my %Conf = $bpc->Conf(); |
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|
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use BackupPC::SearchLib; |
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%BackupPC::SearchLib::Conf = %Conf; |
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|
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# cludge: minimum .tar.gz size |
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my $MIN_TAR_SIZE = 80; |
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|
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my $path = abs_path($0); |
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$path =~ s#/[^/]+$#/#; |
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my $tarIncCreate = $path .= 'BackupPC_tarIncCreate'; |
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|
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die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate); |
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|
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my $bin; |
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foreach my $c (qw/gzip split/) { |
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$bin->{$c} = which($c) || die "$0 needs $c, install it\n"; |
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} |
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|
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my %opt; |
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getopts("cd", \%opt ); |
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|
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my $debug = $opt{d}; |
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my $check = $opt{c} && print STDERR "NOTICE: tar archive check forced\n"; |
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|
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$|=1; |
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|
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my $start_t = time(); |
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|
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my $t_fmt = '%Y-%m-%d %H:%M:%S'; |
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|
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my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n"; |
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my $user = $Conf{SearchUser} || ''; |
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|
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my $dbh = DBI->connect($dsn, $user, "", { RaiseError => 1, AutoCommit => 0 }); |
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|
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my $tar_dir = $Conf{InstallDir}.'/'.$Conf{GzipTempDir}; |
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|
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die "problem with $tar_dir, check GzipTempDir in configuration\n" unless (-d $tar_dir && -w $tar_dir); |
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|
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#---- subs ---- |
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|
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sub fmt_time { |
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my $t = shift || return; |
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my $out = ""; |
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my ($ss,$mm,$hh) = gmtime($t); |
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$out .= "${hh}h" if ($hh); |
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$out .= sprintf("%02d:%02d", $mm,$ss); |
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return $out; |
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} |
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|
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sub curr_time { |
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return strftime($t_fmt,localtime()); |
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} |
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|
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sub tar_join($) { |
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my $filename = shift; |
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|
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my $in = my $out = $filename; |
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$out .= '.tmp'; |
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|
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# FIXME I should really order parts manually! |
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system("cat $in/part* > $out && rm -Rf $in && mv $out $in") == 0 or die "can't join $in: $?"; |
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|
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} |
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|
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sub tar_check($$$$) { |
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my ($host,$share,$num,$filename) = @_; |
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|
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if ($debug) { |
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print STDERR " {{ CHECK: ${host}:${share}#${num} and $filename"; |
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} else { |
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print " check"; |
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} |
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|
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if (-d $filename) { |
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print STDERR ", joining"; |
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tar_join($filename); |
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} |
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|
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print STDERR ", opening" if ($debug); |
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open(my $fh, "gzip -cd $filename |") or die "can't open $filename: $!"; |
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binmode($fh); |
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my $tar = Archive::Tar::Streamed->new($fh); |
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|
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print STDERR ", tar" if ($debug); |
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my @tar_files; |
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while(my $entry = $tar->next) { |
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push @tar_files, $entry->name; |
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} |
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@tar_files = sort @tar_files; |
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print STDERR " ",($#tar_files + 1), " files" if ($debug); |
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|
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print STDERR ", database" if ($debug); |
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|
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my $sth = $dbh->prepare(qq{ |
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SELECT path,type |
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FROM files |
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JOIN shares on shares.id = shareid |
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JOIN hosts on hosts.id = shares.hostid |
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WHERE hosts.name = ? and shares.name = ? and backupnum = ? |
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}); |
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$sth->execute($host, $share, $num); |
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my @db_files; |
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while( my $row = $sth->fetchrow_hashref ) { |
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|
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my $path = $row->{'path'} || die "no path?"; |
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$path =~ s#^/#./#; |
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$path .= '/' if ($row->{'type'} == BPC_FTYPE_DIR); |
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push @db_files, $path; |
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} |
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|
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print STDERR " ",($#db_files + 1), " files, diff" if ($debug); |
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|
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@db_files = sort @db_files; |
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|
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my $same = 1; |
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if ($#tar_files != $#db_files) { |
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$same = 0; |
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print STDERR " NUMBER" if ($debug); |
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} else { |
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my $diff = Algorithm::Diff->new(\@tar_files, \@db_files); |
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while ( $diff->Next() ) { |
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next if $diff->Same(); |
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$same = 0; |
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print "< $_\n" for $diff->Items(1); |
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print "> $_\n" for $diff->Items(2); |
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} |
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} |
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|
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print " ",($same ? 'ok' : 'DIFFERENT'); |
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print STDERR " }} " if ($debug); |
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|
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return $same; |
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} |
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|
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|
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#----- main |
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|
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my $sth = $dbh->prepare( qq{ |
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|
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select |
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backups.id as backup_id, |
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hosts.name as host, |
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shares.name as share, |
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backups.num as num, |
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inc_size, |
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parts |
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from backups |
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join shares on backups.hostid = shares.hostid |
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and shares.id = backups.shareid |
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join hosts on shares.hostid = hosts.id |
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where not inc_deleted |
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order by backups.date |
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|
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} ); |
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|
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my $sth_inc_size = $dbh->prepare(qq{ update backups set inc_size = ?, parts = ? where id = ? }); |
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my $sth_inc_deleted = $dbh->prepare(qq{ update backups set inc_deleted = ? where id = ? }); |
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|
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|
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$sth->execute(); |
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my $num_backups = $sth->rows; |
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my $curr_backup = 1; |
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|
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while (my $row = $sth->fetchrow_hashref) { |
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my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'}); |
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|
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# this will return -1 if file doesn't exist |
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my $size = BackupPC::SearchLib::get_tgz_size_by_name($tar_file); |
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|
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print curr_time, " $curr_backup/$num_backups ", $row->{'host'}, ":", $row->{'share'}, " #", $row->{'num'}, " -> $tar_file"; |
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$curr_backup++; |
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|
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my $t = time(); |
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|
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# re-create archive? |
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if ($row->{'inc_size'} == -1 || $size == -1 || |
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$row->{'inc_size'} != $size || |
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$check && ! tar_check($row->{'host'}, $row->{'share'}, $row->{'num'}, "$tar_dir/$tar_file") |
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) { |
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my $cmd = qq{rm -Rf $tar_dir/$tar_file && $tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} | $bin->{'gzip'} $Conf{GzipLevel} > ${tar_dir}/${tar_file}.tmp}; |
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print STDERR "## $cmd\n" if ($debug); |
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|
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system($cmd) == 0 or die "failed: $?"; |
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|
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rename("${tar_dir}/${tar_file}.tmp", "$tar_dir/$tar_file") or die "can't rename $tar_dir/$tar_file: $!"; |
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|
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$size = (stat( "$tar_dir/$tar_file" ))[7]; |
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} |
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|
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if ($size > $MIN_TAR_SIZE) { |
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|
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my $max_size = $Conf{'MaxArchiveSize'} || die "problem with MaxArchiveSize parametar"; |
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$max_size *= 1024; # convert to bytes |
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|
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my $max_file_size = $Conf{'MaxArchiveFileSize'} || die "problem with MaxArchiveFileSize parametar"; |
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$max_file_size *= 1024; # bytes |
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|
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if ($max_file_size > $max_size) { |
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warn "MaxArchiveFileSize ($max_file_size) is bigger than MaxArchiveSize ($max_size)\n"; |
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$max_file_size = $max_size; |
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} |
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|
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# maximum file size on ISO image is 4Gb |
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# this will require Linux kernel 2.6.8 or newer |
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if ( $max_size > $max_file_size ) { |
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$max_size = $max_file_size; |
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} |
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|
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my $parts = int( ($size + $max_size - 1) / $max_size ); |
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|
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if (-d "$tar_dir/$tar_file" && $parts != $row->{'parts'}) { |
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print " join"; |
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tar_join("$tar_dir/$tar_file"); |
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} |
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|
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if ($size > $max_size && ! -d "$tar_dir/$tar_file") { |
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print " split/$parts"; |
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my $in = my $out = "$tar_dir/$tar_file"; |
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$out .= '.tmp'; |
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rename $in, $out || die "can't rename $in: $!"; |
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mkdir $in || die "can't mkdir $in: $!"; |
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|
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my $suffix_len = length("$parts"); |
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system("$bin->{'split'} -d -b $max_size -a $suffix_len $out $in/part") == 0 or die "can't split $out: $?"; |
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unlink $out || die "can't unlink $out: $!"; |
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} |
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|
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$sth_inc_size->execute($size, $parts, $row->{'backup_id'}); |
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$sth_inc_deleted->execute(0, $row->{'backup_id'}); |
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|
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printf(" %1.2f MB", ($size / 1024 / 1024)); |
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|
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} else { |
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$sth_inc_deleted->execute(1, $row->{'backup_id'}); |
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unlink "$tar_dir/$tar_file" || die "can't delete $tar_dir/$tar_file: $!\n"; |
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print " EMPTY"; |
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} |
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print ", dur: ",fmt_time(time() - $t), "\n"; |
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|
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$dbh->commit; |
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|
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} |
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|
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undef $sth; |
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$dbh->disconnect; |
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