| 1 |
#!/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 BackupPC::Attrib qw/:all/; |
| 10 |
use Data::Dumper; |
| 11 |
use Time::HiRes qw/time/; |
| 12 |
use POSIX qw/strftime/; |
| 13 |
use Cwd qw/abs_path/; |
| 14 |
use File::Which; |
| 15 |
use Archive::Tar::Streamed; |
| 16 |
use Algorithm::Diff; |
| 17 |
use Getopt::Std; |
| 18 |
use File::Slurp; |
| 19 |
|
| 20 |
my $bpc = BackupPC::Lib->new || die "can't create BackupPC::Lib"; |
| 21 |
my %Conf = $bpc->Conf(); |
| 22 |
|
| 23 |
use BackupPC::SearchLib; |
| 24 |
%BackupPC::SearchLib::Conf = %Conf; |
| 25 |
|
| 26 |
my $path = abs_path($0); |
| 27 |
$path =~ s#/[^/]+$#/#; |
| 28 |
my $tarIncCreate = $path .= 'BackupPC_tarIncCreate'; |
| 29 |
|
| 30 |
die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate); |
| 31 |
|
| 32 |
my $bin; |
| 33 |
foreach my $c (qw/gzip md5sum/) { |
| 34 |
$bin->{$c} = which($c) || die "$0 needs $c, install it\n"; |
| 35 |
} |
| 36 |
|
| 37 |
my %opt; |
| 38 |
getopts("cd", \%opt ); |
| 39 |
|
| 40 |
my $debug = $opt{d}; |
| 41 |
my $check = $opt{c} && print STDERR "NOTICE: tar archive check forced\n"; |
| 42 |
|
| 43 |
$|=1; |
| 44 |
|
| 45 |
my $start_t = time(); |
| 46 |
|
| 47 |
my $t_fmt = '%Y-%m-%d %H:%M:%S'; |
| 48 |
|
| 49 |
my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n"; |
| 50 |
my $user = $Conf{SearchUser} || ''; |
| 51 |
|
| 52 |
my $dbh = DBI->connect($dsn, $user, "", { RaiseError => 1, AutoCommit => 0 }); |
| 53 |
|
| 54 |
my $tar_dir = $Conf{InstallDir}.'/'.$Conf{GzipTempDir}; |
| 55 |
|
| 56 |
die "problem with $tar_dir, check GzipTempDir in configuration\n" unless (-d $tar_dir && -w $tar_dir); |
| 57 |
|
| 58 |
#---- subs ---- |
| 59 |
|
| 60 |
sub fmt_time { |
| 61 |
my $t = shift || return; |
| 62 |
my $out = ""; |
| 63 |
my ($ss,$mm,$hh) = gmtime($t); |
| 64 |
$out .= "${hh}h" if ($hh); |
| 65 |
$out .= sprintf("%02d:%02d", $mm,$ss); |
| 66 |
return $out; |
| 67 |
} |
| 68 |
|
| 69 |
sub curr_time { |
| 70 |
return strftime($t_fmt,localtime()); |
| 71 |
} |
| 72 |
|
| 73 |
my $hsn_cache; |
| 74 |
|
| 75 |
sub get_backup_id($$$) { |
| 76 |
my ($host, $share, $num) = @_; |
| 77 |
|
| 78 |
my $key = "$host $share $num"; |
| 79 |
return $hsn_cache->{$key} if ($hsn_cache->{$key}); |
| 80 |
|
| 81 |
my $sth = $dbh->prepare(qq{ |
| 82 |
SELECT |
| 83 |
backups.id |
| 84 |
FROM backups |
| 85 |
INNER JOIN shares ON backups.shareID=shares.ID |
| 86 |
INNER JOIN hosts ON backups.hostID = hosts.ID |
| 87 |
where hosts.name = ? and shares.name = ? and backups.num = ? |
| 88 |
}); |
| 89 |
$sth->execute($host, $share, $num); |
| 90 |
my ($id) = $sth->fetchrow_array; |
| 91 |
|
| 92 |
$hsn_cache->{"$host $share $num"} = $id; |
| 93 |
|
| 94 |
print STDERR "# $host $share $num == $id\n" if ($opt{d}); |
| 95 |
|
| 96 |
return $id; |
| 97 |
} |
| 98 |
|
| 99 |
|
| 100 |
sub tar_check($$$$) { |
| 101 |
my ($host,$share,$num,$filename) = @_; |
| 102 |
|
| 103 |
my $t = time(); |
| 104 |
print curr_time, " check $host:$share#$num -> $filename"; |
| 105 |
|
| 106 |
# depending on expected returned value this is used like: |
| 107 |
# my $uncompress_size = get_gzip_size('/full/path/to.gz'); |
| 108 |
# my ($compress_size, $uncompress_size) = get_gzip_size('/path.gz'); |
| 109 |
sub get_gzip_size($) { |
| 110 |
my $filename = shift; |
| 111 |
die "file $filename problem: $!" unless (-r $filename); |
| 112 |
open(my $gzip, $bin->{gzip}." -l $filename |") || die "can't gzip -l $filename: $!"; |
| 113 |
my $line = <$gzip>; |
| 114 |
chomp($line); |
| 115 |
$line = <$gzip> if ($line =~ /^\s+compressed/); |
| 116 |
|
| 117 |
my ($comp, $uncomp) = (0,0); |
| 118 |
|
| 119 |
if ($line =~ m/^\s+(\d+)\s+(\d+)\s+\d+\.\d+/) { |
| 120 |
if (wantarray) { |
| 121 |
return [ $1, $2 ]; |
| 122 |
} else { |
| 123 |
return $2; |
| 124 |
} |
| 125 |
} else { |
| 126 |
die "can't find size in line: $line"; |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
sub check_part { |
| 131 |
my ($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items) = @_; |
| 132 |
my $backup_id = get_backup_id($host, $share, $num); |
| 133 |
my $sth_md5 = $dbh->prepare(qq{ |
| 134 |
select |
| 135 |
id, tar_size, size, md5, items |
| 136 |
from backup_parts |
| 137 |
where backup_id = ? and part_nr = ? |
| 138 |
}); |
| 139 |
|
| 140 |
$sth_md5->execute($backup_id, $part_nr); |
| 141 |
|
| 142 |
if (my $row = $sth_md5->fetchrow_hashref) { |
| 143 |
return if ( |
| 144 |
$row->{tar_size} >= $tar_size && |
| 145 |
$row->{size} == $size && |
| 146 |
$row->{md5} eq $md5 && |
| 147 |
$row->{items} == $items |
| 148 |
); |
| 149 |
print ", deleting invalid backup_parts $row->{id}"; |
| 150 |
$dbh->do(qq{ delete from backup_parts where id = $row->{id} }); |
| 151 |
} |
| 152 |
print ", inserting new"; |
| 153 |
my $sth_insert = $dbh->prepare(qq{ |
| 154 |
insert into backup_parts ( |
| 155 |
backup_id, |
| 156 |
part_nr, |
| 157 |
tar_size, |
| 158 |
size, |
| 159 |
md5, |
| 160 |
items |
| 161 |
) values (?,?,?,?,?,?) |
| 162 |
}); |
| 163 |
|
| 164 |
$sth_insert->execute($backup_id, $part_nr, $tar_size, $size, $md5, $items); |
| 165 |
$dbh->commit; |
| 166 |
} |
| 167 |
|
| 168 |
my @tar_parts; |
| 169 |
|
| 170 |
if (-d "$tar_dir/$filename") { |
| 171 |
print ", multi-part"; |
| 172 |
opendir(my $dir, "$tar_dir/$filename") || die "can't readdir $tar_dir/$filename: $!"; |
| 173 |
@tar_parts = map { my $p = $_; $p =~ s#^#${filename}/#; $p } grep { !/^\./ && !/md5/ && -f "$tar_dir/$filename/$_" } readdir($dir); |
| 174 |
closedir($dir); |
| 175 |
} else { |
| 176 |
push @tar_parts, "${filename}.tar.gz"; |
| 177 |
} |
| 178 |
|
| 179 |
print " [parts: ",join(", ", @tar_parts),"]" if ($opt{d}); |
| 180 |
|
| 181 |
my $same = 1; |
| 182 |
my @tar_files; |
| 183 |
|
| 184 |
my $backup_part; |
| 185 |
|
| 186 |
print " reading" if ($opt{d}); |
| 187 |
|
| 188 |
foreach my $tarfilename (@tar_parts) { |
| 189 |
|
| 190 |
print "\n\t- $tarfilename"; |
| 191 |
|
| 192 |
my $path = "$tar_dir/$tarfilename"; |
| 193 |
|
| 194 |
my $size = (stat( $path ))[7] || die "can't stat $path: $!"; |
| 195 |
|
| 196 |
if ($size > $Conf{MaxArchiveSize}) { |
| 197 |
print ", part bigger than media $size > $Conf{MaxArchiveSize}\n"; |
| 198 |
return 0; |
| 199 |
} |
| 200 |
|
| 201 |
print ", $size bytes"; |
| 202 |
|
| 203 |
|
| 204 |
open(my $fh, "gzip -cd $path |") or die "can't open $path: $!"; |
| 205 |
binmode($fh); |
| 206 |
my $tar = Archive::Tar::Streamed->new($fh); |
| 207 |
|
| 208 |
my $tar_size_inarc = 0; |
| 209 |
my $items = 0; |
| 210 |
|
| 211 |
while(my $entry = $tar->next) { |
| 212 |
push @tar_files, $entry->name; |
| 213 |
$items++; |
| 214 |
$tar_size_inarc += $entry->size; |
| 215 |
|
| 216 |
if ($tar_size_inarc > $Conf{MaxArchiveFileSize}) { |
| 217 |
print ", part $tarfilename is too big $tar_size_inarc > $Conf{MaxArchiveFileSize}\n"; |
| 218 |
return 0; |
| 219 |
} |
| 220 |
|
| 221 |
} |
| 222 |
|
| 223 |
close($fh); |
| 224 |
|
| 225 |
print ", $items items"; |
| 226 |
|
| 227 |
if ($tar_size_inarc == 0 && $items == 0) { |
| 228 |
print ", EMPTY tar\n"; |
| 229 |
|
| 230 |
my $backup_id = get_backup_id($host, $share, $num); |
| 231 |
|
| 232 |
my $sth_inc_deleted = $dbh->prepare(qq{ |
| 233 |
update backups set |
| 234 |
inc_deleted = true |
| 235 |
where id = ? |
| 236 |
}); |
| 237 |
$sth_inc_deleted->execute($backup_id); |
| 238 |
|
| 239 |
$dbh->commit; |
| 240 |
|
| 241 |
return 1; |
| 242 |
} |
| 243 |
|
| 244 |
my $tar_size = get_gzip_size( $path ); |
| 245 |
|
| 246 |
# real tar size is bigger because of padding |
| 247 |
if ($tar_size_inarc > $tar_size) { |
| 248 |
print ", size of files in tar bigger than whole tar!\n"; |
| 249 |
return 0; |
| 250 |
} |
| 251 |
|
| 252 |
# |
| 253 |
# check if md5 exists, and if not, create one |
| 254 |
# |
| 255 |
|
| 256 |
my $md5_path = $path; |
| 257 |
$md5_path =~ s/\.tar\.gz$/.md5/ || die "can't create md5 filename from $md5_path"; |
| 258 |
if (! -e $md5_path || -z $md5_path) { |
| 259 |
print ", creating md5"; |
| 260 |
system( $bin->{md5sum} . " $path > $md5_path") == 0 or die "can't create md5 $path: $!"; |
| 261 |
} else { |
| 262 |
## FIXME check if existing md5 is valid |
| 263 |
} |
| 264 |
|
| 265 |
my $md5 = read_file( $md5_path ) || die "can't read md5sum file $md5_path: $!"; |
| 266 |
$md5 =~ s#\s.*$##; |
| 267 |
|
| 268 |
# extract part number from filename |
| 269 |
my $part_nr = 1; |
| 270 |
$part_nr = $1 if ($tarfilename =~ m#/(\d+)\.tar\.gz#); |
| 271 |
|
| 272 |
# |
| 273 |
# finally, check if backup_parts table in database is valid |
| 274 |
# |
| 275 |
|
| 276 |
check_part($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items); |
| 277 |
} |
| 278 |
|
| 279 |
# short-cut and exit; |
| 280 |
return $same unless($same); |
| 281 |
|
| 282 |
@tar_files = sort @tar_files; |
| 283 |
print "\n\t",($#tar_files + 1), " tar files"; |
| 284 |
|
| 285 |
my $sth = $dbh->prepare(qq{ |
| 286 |
SELECT path,type |
| 287 |
FROM files |
| 288 |
JOIN shares on shares.id = shareid |
| 289 |
JOIN hosts on hosts.id = shares.hostid |
| 290 |
WHERE hosts.name = ? and shares.name = ? and backupnum = ? |
| 291 |
}); |
| 292 |
$sth->execute($host, $share, $num); |
| 293 |
my @db_files; |
| 294 |
while( my $row = $sth->fetchrow_hashref ) { |
| 295 |
|
| 296 |
my $path = $row->{'path'} || die "no path?"; |
| 297 |
$path =~ s#^/#./#; |
| 298 |
$path .= '/' if ($row->{'type'} == BPC_FTYPE_DIR); |
| 299 |
push @db_files, $path; |
| 300 |
} |
| 301 |
|
| 302 |
print " ",($#db_files + 1), " database files, diff"; |
| 303 |
|
| 304 |
@db_files = sort @db_files; |
| 305 |
|
| 306 |
if ($#tar_files != $#db_files) { |
| 307 |
$same = 0; |
| 308 |
print " NUMBER"; |
| 309 |
} else { |
| 310 |
my $diff = Algorithm::Diff->new(\@tar_files, \@db_files); |
| 311 |
while ( $diff->Next() ) { |
| 312 |
next if $diff->Same(); |
| 313 |
$same = 0; |
| 314 |
print "< $_\n" for $diff->Items(1); |
| 315 |
print "> $_\n" for $diff->Items(2); |
| 316 |
} |
| 317 |
} |
| 318 |
|
| 319 |
print " ",($same ? 'ok' : 'DIFFERENT'), |
| 320 |
", dur: ",fmt_time(time() - $t), "\n"; |
| 321 |
|
| 322 |
return $same; |
| 323 |
} |
| 324 |
|
| 325 |
|
| 326 |
#----- main |
| 327 |
|
| 328 |
my $sth = $dbh->prepare( qq{ |
| 329 |
|
| 330 |
select |
| 331 |
backups.id as backup_id, |
| 332 |
hosts.name as host, |
| 333 |
shares.name as share, |
| 334 |
backups.num as num, |
| 335 |
inc_size, |
| 336 |
parts |
| 337 |
from backups |
| 338 |
join shares on backups.hostid = shares.hostid |
| 339 |
and shares.id = backups.shareid |
| 340 |
join hosts on shares.hostid = hosts.id |
| 341 |
where not inc_deleted |
| 342 |
order by backups.date |
| 343 |
|
| 344 |
} ); |
| 345 |
|
| 346 |
$sth->execute(); |
| 347 |
my $num_backups = $sth->rows; |
| 348 |
my $curr_backup = 1; |
| 349 |
|
| 350 |
while (my $row = $sth->fetchrow_hashref) { |
| 351 |
|
| 352 |
$curr_backup++; |
| 353 |
|
| 354 |
my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'}); |
| 355 |
|
| 356 |
# this will return -1 if file doesn't exist |
| 357 |
my $size = BackupPC::SearchLib::get_tgz_size_by_name($tar_file); |
| 358 |
|
| 359 |
print "# size: $size backup.size: ", $row->{inc_size},"\n" if ($opt{d}); |
| 360 |
|
| 361 |
if ( $row->{'inc_size'} != -1 && $size != -1 && $row->{'inc_size'} >= $size) { |
| 362 |
if ($check) { |
| 363 |
tar_check($row->{'host'}, $row->{'share'}, $row->{'num'}, $tar_file) && next; |
| 364 |
} else { |
| 365 |
next; |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
print curr_time, " creating $curr_backup/$num_backups ", $row->{'host'}, ":", $row->{'share'}, " #", $row->{'num'}, " -> $tar_file"; |
| 370 |
|
| 371 |
my $t = time(); |
| 372 |
|
| 373 |
# re-create archive? |
| 374 |
my $cmd = qq{ $tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} -f }; |
| 375 |
print STDERR "## $cmd\n" if ($debug); |
| 376 |
|
| 377 |
if (system($cmd) != 0) { |
| 378 |
print STDERR " FAILED"; |
| 379 |
} |
| 380 |
|
| 381 |
print ", dur: ",fmt_time(time() - $t), "\n"; |
| 382 |
|
| 383 |
$dbh->commit; |
| 384 |
|
| 385 |
} |
| 386 |
|
| 387 |
undef $sth; |
| 388 |
$dbh->disconnect; |
Parent Directory
| 
Revision Log