+++ /dev/null
-#!/usr/local/bin/perl -w
-
-use strict;
-use lib "/usr/local/BackupPC/lib";
-
-use DBI;
-use BackupPC::Lib;
-use BackupPC::View;
-use BackupPC::Attrib qw/:all/;
-use Data::Dumper;
-use Time::HiRes qw/time/;
-use POSIX qw/strftime/;
-use Cwd qw/abs_path/;
-use File::Which;
-use Archive::Tar::Streamed;
-use Algorithm::Diff;
-use Getopt::Std;
-use File::Slurp;
-use File::Pid;
-
-=head1 NAME
-
-BackupPC_incPartsUpdate
-
-=head1 DESCRIPTION
-
-Create C<.tar.gz> increments on disk calling C<BackupPC_tarIncCreate>.
-
-Following options are supported (but all are optional):
-
-=over 4
-
-=item -h hostname
-
-Update parts for just single C<hostname>
-
-=item -c
-
-Force check for tar archives which exist on disk
-
-=item -d
-
-Turn debugging output
-
-=back
-
-=cut
-
-my %opt;
-getopts("cdh:", \%opt );
-
-my $debug = $opt{d};
-my $check = $opt{c} && print STDERR "NOTICE: tar archive check forced\n";
-
-my $pid_path = abs_path($0);
-$pid_path =~ s/\W+/_/g;
-
-my $pidfile = new File::Pid({
- file => "/tmp/$pid_path",
-});
-
-if (my $pid = $pidfile->running ) {
- die "$0 already running: $pid\n";
-} elsif ($pidfile->pid ne $$) {
- $pidfile->remove;
- $pidfile = new File::Pid;
-}
-
-print STDERR "$0 using pid ",$pidfile->pid," file ",$pidfile->file,"\n";
-$pidfile->write;
-
-my $bpc = BackupPC::Lib->new || die "can't create BackupPC::Lib";
-my %Conf = $bpc->Conf();
-
-use BackupPC::Search;
-%BackupPC::Search::Conf = %Conf;
-
-my $path = abs_path($0);
-$path =~ s#/[^/]+$#/#;
-my $tarIncCreate = $path .= 'BackupPC_tarIncCreate';
-
-die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate);
-
-my $bin;
-foreach my $c (qw/gzip md5sum/) {
- $bin->{$c} = which($c) || die "$0 needs $c, install it\n";
-}
-
-$|=1;
-
-my $start_t = time();
-
-my $t_fmt = '%Y-%m-%d %H:%M:%S';
-
-my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n";
-my $user = $Conf{SearchUser} || '';
-
-my $dbh = DBI->connect($dsn, $user, "", { RaiseError => 1, AutoCommit => 0 });
-
-my $tar_dir = $Conf{GzipTempDir};
-
-die "problem with $tar_dir, check GzipTempDir in configuration\n" unless (-d $tar_dir && -w $tar_dir);
-
-#---- subs ----
-
-sub fmt_time {
- my $t = shift || return;
- my $out = "";
- my ($ss,$mm,$hh) = gmtime($t);
- $out .= "${hh}h" if ($hh);
- $out .= sprintf("%02d:%02d", $mm,$ss);
- return $out;
-}
-
-sub curr_time {
- return strftime($t_fmt,localtime());
-}
-
-my $hsn_cache;
-
-sub get_backup_id($$$) {
- my ($host, $share, $num) = @_;
-
- my $key = "$host $share $num";
- return $hsn_cache->{$key} if ($hsn_cache->{$key});
-
- my $sth = $dbh->prepare(qq{
- SELECT
- backups.id
- FROM backups
- INNER JOIN shares ON backups.shareID=shares.ID
- INNER JOIN hosts ON backups.hostID = hosts.ID
- WHERE hosts.name = ? and shares.name = ? and backups.num = ?
- });
- $sth->execute($host, $share, $num);
- my ($id) = $sth->fetchrow_array;
-
- $hsn_cache->{"$host $share $num"} = $id;
-
- print STDERR "# $host $share $num == $id\n" if ($opt{d});
-
- return $id;
-}
-
-sub backup_inc_deleted($) {
- my $backup_id = shift;
- my $sth_inc_deleted = $dbh->prepare(qq{
- update backups set
- inc_deleted = true
- where id = ?
- });
- $sth_inc_deleted->execute($backup_id);
-}
-
-sub tar_check($$$$) {
- my ($host,$share,$num,$filename) = @_;
-
- my $t = time();
- print curr_time, " check $host:$share#$num -> $filename";
-
- # depending on expected returned value this is used like:
- # my $uncompress_size = get_gzip_size('/full/path/to.gz');
- # my ($compress_size, $uncompress_size) = get_gzip_size('/path.gz');
- sub get_gzip_size($) {
- my $filename = shift;
- die "file $filename problem: $!" unless (-r $filename);
- open(my $gzip, $bin->{gzip}." -l $filename |") || die "can't gzip -l $filename: $!";
- my $line = <$gzip>;
- chomp($line);
- $line = <$gzip> if ($line =~ /^\s+compressed/);
-
- my ($comp, $uncomp) = (0,0);
-
- if ($line =~ m/^\s+(\d+)\s+(\d+)\s+\d+\.\d+/) {
- if (wantarray) {
- return [ $1, $2 ];
- } else {
- return $2;
- }
- } else {
- die "can't find size in line: $line";
- }
- }
-
- sub check_part {
- my ($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items) = @_;
- my $backup_id = get_backup_id($host, $share, $num);
- my $sth_md5 = $dbh->prepare(qq{
- select
- id, tar_size, size, md5, items
- from backup_parts
- where backup_id = ? and part_nr = ?
- });
-
- $sth_md5->execute($backup_id, $part_nr);
-
- if (my $row = $sth_md5->fetchrow_hashref) {
- return if (
- $row->{tar_size} >= $tar_size &&
- $row->{size} == $size &&
- $row->{md5} eq $md5 &&
- $row->{items} == $items
- );
- print ", deleting invalid backup_parts $row->{id}";
- $dbh->do(qq{ delete from backup_parts where id = $row->{id} });
- }
- print ", inserting new";
- my $sth_insert = $dbh->prepare(qq{
- insert into backup_parts (
- backup_id,
- part_nr,
- tar_size,
- size,
- md5,
- items
- ) values (?,?,?,?,?,?)
- });
-
- $sth_insert->execute($backup_id, $part_nr, $tar_size, $size, $md5, $items);
- $dbh->commit;
- }
-
- my @tar_parts;
-
- if (-d "$tar_dir/$filename") {
- print ", multi-part";
- opendir(my $dir, "$tar_dir/$filename") || die "can't readdir $tar_dir/$filename: $!";
- @tar_parts = map { my $p = $_; $p =~ s#^#${filename}/#; $p } grep { !/^\./ && !/md5/ && -f "$tar_dir/$filename/$_" } readdir($dir);
- closedir($dir);
- } else {
- push @tar_parts, "${filename}.tar.gz";
- }
-
- print " [parts: ",join(", ", @tar_parts),"]" if ($opt{d});
-
- my $same = 1;
- my @tar_files;
-
- my $backup_part;
-
- print " reading" if ($opt{d});
-
- foreach my $tarfilename (@tar_parts) {
-
- print "\n\t- $tarfilename";
-
- my $path = "$tar_dir/$tarfilename";
-
- my $size = (stat( $path ))[7] || die "can't stat $path: $!";
-
- if ($size > $Conf{MaxArchiveSize}) {
- print ", part bigger than media $size > $Conf{MaxArchiveSize}\n";
- return 0;
- }
-
- print ", $size bytes";
-
-
- open(my $fh, "gzip -cd $path |") or die "can't open $path: $!";
- binmode($fh);
- my $tar = Archive::Tar::Streamed->new($fh);
-
- my $tar_size_inarc = 0;
- my $items = 0;
-
- while(my $entry = $tar->next) {
- push @tar_files, $entry->name;
- $items++;
- $tar_size_inarc += $entry->size;
-
- if ($tar_size_inarc > $Conf{MaxArchiveFileSize}) {
- print ", part $tarfilename is too big $tar_size_inarc > $Conf{MaxArchiveFileSize}\n";
- return 0;
- }
-
- }
-
- close($fh);
-
- print ", $items items";
-
- if ($tar_size_inarc == 0 && $items == 0) {
- print ", EMPTY tar\n";
-
- my $backup_id = get_backup_id($host, $share, $num);
- backup_inc_deleted( $backup_id );
-
- $dbh->commit;
-
- return 1;
- }
-
- my $tar_size = get_gzip_size( $path );
-
- # real tar size is bigger because of padding
- if ($tar_size_inarc > $tar_size) {
- print ", size of files in tar ($tar_size_inarc) bigger than whole tar ($tar_size)!\n";
- return 0;
- }
-
- #
- # check if md5 exists, and if not, create one
- #
-
- my $md5_path = $path;
- $md5_path =~ s/\.tar\.gz$/.md5/ || die "can't create md5 filename from $md5_path";
- if (! -e $md5_path || -z $md5_path) {
- print ", creating md5";
- system( $bin->{md5sum} . " $path > $md5_path") == 0 or die "can't create md5 $path: $!";
- } else {
- ## FIXME check if existing md5 is valid
- }
-
- my $md5 = read_file( $md5_path ) || die "can't read md5sum file $md5_path: $!";
- $md5 =~ s#\s.*$##;
-
- # extract part number from filename
- my $part_nr = 1;
- $part_nr = $1 if ($tarfilename =~ m#/(\d+)\.tar\.gz#);
-
- #
- # finally, check if backup_parts table in database is valid
- #
-
- check_part($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items);
- }
-
- # short-cut and exit;
- return $same unless($same);
-
- @tar_files = sort @tar_files;
- print "\n\t",($#tar_files + 1), " tar files";
-
- my $sth = $dbh->prepare(qq{
- SELECT path,type
- FROM files
- JOIN shares on shares.id = shareid
- JOIN hosts on hosts.id = shares.hostid
- WHERE hosts.name = ? and shares.name = ? and backupnum = ?
- });
- $sth->execute($host, $share, $num);
- my @db_files;
- while( my $row = $sth->fetchrow_hashref ) {
-
- my $path = $row->{'path'} || die "no path?";
- $path =~ s#^/#./#;
- $path .= '/' if ($row->{'type'} == BPC_FTYPE_DIR);
- push @db_files, $path;
- }
-
- print " ",($#db_files + 1), " database files, diff";
-
- @db_files = sort @db_files;
-
- if ($#tar_files != $#db_files) {
- $same = 0;
- print " NUMBER";
- } else {
- my $diff = Algorithm::Diff->new(\@tar_files, \@db_files);
- while ( $diff->Next() ) {
- next if $diff->Same();
- $same = 0;
- print "< $_\n" for $diff->Items(1);
- print "> $_\n" for $diff->Items(2);
- }
- }
-
- print " ",($same ? 'ok' : 'DIFFERENT'),
- ", dur: ",fmt_time(time() - $t), "\n";
-
- return $same;
-}
-
-
-#----- main
-
-my $sth = $dbh->prepare( qq{
-
-select
- backups.id as backup_id,
- hosts.name as host,
- shares.name as share,
- backups.num as num,
- backups.date,
- inc_size,
- parts,
- count(backup_parts.backup_id) as backup_parts
-from backups
- join shares on backups.hostid = shares.hostid
- and shares.id = backups.shareid
- join hosts on shares.hostid = hosts.id
- full outer join backup_parts on backups.id = backup_parts.backup_id
-where not inc_deleted and backups.size > 0
-group by backups.id, hosts.name, shares.name, backups.num, backups.date, inc_size, parts, backup_parts.backup_id
-order by backups.date
-
-} );
-
-$sth->execute();
-my $num_backups = $sth->rows;
-my $curr_backup = 1;
-
-if ($opt{h}) {
- warn "making increments just for host $opt{h}\n";
-}
-
-while (my $row = $sth->fetchrow_hashref) {
-
- if ($opt{h} && $row->{host} ne $opt{h}) {
- warn "skipped $row->{host}\n" if ($debug);
- next;
- }
-
- $curr_backup++;
-
- my $tar_file = BackupPC::Search::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'});
-
- # this will return -1 if file doesn't exist
- my $size = BackupPC::Search::get_tgz_size_by_name($tar_file);
-
- print "# host: ".$row->{host}.", share: ".$row->{'share'}.", backup_num:".$row->{num}." size: $size backup.size: ", $row->{inc_size},"\n" if ($opt{d});
-
- if ( $row->{'inc_size'} != -1 && $size != -1 && $row->{'inc_size'} >= $size && $row->{parts} == $row->{backup_parts}) {
- if ($check) {
- tar_check($row->{'host'}, $row->{'share'}, $row->{'num'}, $tar_file) && next;
- } else {
- next;
- }
- }
-
- print curr_time, " creating $curr_backup/$num_backups ", $row->{host}, ":", $row->{share}, " #", $row->{num},
- " ", strftime('%Y-%m-%d', localtime($row->{date})), " -> $tar_file";
-
- my $t = time();
-
- # re-create archive?
- my $cmd = qq[ $tarIncCreate -h "$row->{host}" -s "$row->{share}" -n $row->{num} -f ];
- print STDERR "## $cmd\n" if ($debug);
-
- if (system($cmd) != 0) {
- print STDERR " FAILED, marking this backup deleted";
- backup_inc_deleted( $row->{backup_id} );
- }
-
- print ", dur: ",fmt_time(time() - $t), "\n";
-
- $dbh->commit;
-
-}
-
-undef $sth;
-$dbh->disconnect;
projects / BackupPC.git / blobdiff