6 |
use DBI; |
use DBI; |
7 |
use BackupPC::Lib; |
use BackupPC::Lib; |
8 |
use BackupPC::View; |
use BackupPC::View; |
9 |
|
use BackupPC::Attrib qw/:all/; |
10 |
use Data::Dumper; |
use Data::Dumper; |
11 |
use Time::HiRes qw/time/; |
use Time::HiRes qw/time/; |
|
use File::Pid; |
|
12 |
use POSIX qw/strftime/; |
use POSIX qw/strftime/; |
|
use BackupPC::SearchLib; |
|
13 |
use Cwd qw/abs_path/; |
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 |
|
use File::Pid; |
20 |
|
|
21 |
|
=head1 NAME |
22 |
|
|
23 |
|
BackupPC_incPartsUpdate |
24 |
|
|
25 |
|
=head1 DESCRIPTION |
26 |
|
|
27 |
|
Create C<.tar.gz> increments on disk calling C<BackupPC_tarIncCreate>. |
28 |
|
|
29 |
|
Following options are supported (but all are optional): |
30 |
|
|
31 |
|
=over 4 |
32 |
|
|
33 |
|
=item -h hostname |
34 |
|
|
35 |
|
Update parts for just single C<hostname> |
36 |
|
|
37 |
|
=item -c |
38 |
|
|
39 |
|
Force check for tar archives which exist on disk |
40 |
|
|
41 |
|
=item -d |
42 |
|
|
43 |
|
Turn debugging output |
44 |
|
|
45 |
|
=back |
46 |
|
|
47 |
|
=cut |
48 |
|
|
49 |
|
my %opt; |
50 |
|
getopts("cdh:", \%opt ); |
51 |
|
|
52 |
|
my $debug = $opt{d}; |
53 |
|
my $check = $opt{c} && print STDERR "NOTICE: tar archive check forced\n"; |
54 |
|
|
55 |
|
my $pid_path = abs_path($0); |
56 |
|
$pid_path =~ s/\W+/_/g; |
57 |
|
|
58 |
|
my $pidfile = new File::Pid({ |
59 |
|
file => "/tmp/$pid_path", |
60 |
|
}); |
61 |
|
|
62 |
|
if (my $pid = $pidfile->running ) { |
63 |
|
die "$0 already running: $pid\n"; |
64 |
|
} elsif ($pidfile->pid ne $$) { |
65 |
|
$pidfile->remove; |
66 |
|
$pidfile = new File::Pid; |
67 |
|
} |
68 |
|
|
69 |
|
print STDERR "$0 using pid ",$pidfile->pid," file ",$pidfile->file,"\n"; |
70 |
|
$pidfile->write; |
71 |
|
|
72 |
|
my $bpc = BackupPC::Lib->new || die "can't create BackupPC::Lib"; |
73 |
|
my %Conf = $bpc->Conf(); |
74 |
|
|
75 |
|
use BackupPC::SearchLib; |
76 |
|
%BackupPC::SearchLib::Conf = %Conf; |
77 |
|
|
78 |
my $path = abs_path($0); |
my $path = abs_path($0); |
79 |
$path =~ s#/[^/]+$#/#; |
$path =~ s#/[^/]+$#/#; |
81 |
|
|
82 |
die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate); |
die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate); |
83 |
|
|
84 |
my $debug = 0; |
my $bin; |
85 |
|
foreach my $c (qw/gzip md5sum/) { |
86 |
|
$bin->{$c} = which($c) || die "$0 needs $c, install it\n"; |
87 |
|
} |
88 |
|
|
89 |
$|=1; |
$|=1; |
90 |
|
|
91 |
my $start_t = time(); |
my $start_t = time(); |
92 |
|
|
93 |
my $t_fmt = '%Y-%m-%d %H:%M:%S'; |
my $t_fmt = '%Y-%m-%d %H:%M:%S'; |
94 |
|
|
|
my $hosts; |
|
|
my $bpc = BackupPC::Lib->new || die; |
|
|
my %Conf = $bpc->Conf(); |
|
|
my $TopDir = $bpc->TopDir(); |
|
|
my $beenThere = {}; |
|
|
|
|
95 |
my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n"; |
my $dsn = $Conf{SearchDSN} || die "Need SearchDSN in config.pl\n"; |
96 |
my $user = $Conf{SearchUser} || ''; |
my $user = $Conf{SearchUser} || ''; |
97 |
|
|
116 |
return strftime($t_fmt,localtime()); |
return strftime($t_fmt,localtime()); |
117 |
} |
} |
118 |
|
|
119 |
|
my $hsn_cache; |
120 |
|
|
121 |
|
sub get_backup_id($$$) { |
122 |
|
my ($host, $share, $num) = @_; |
123 |
|
|
124 |
|
my $key = "$host $share $num"; |
125 |
|
return $hsn_cache->{$key} if ($hsn_cache->{$key}); |
126 |
|
|
127 |
|
my $sth = $dbh->prepare(qq{ |
128 |
|
SELECT |
129 |
|
backups.id |
130 |
|
FROM backups |
131 |
|
INNER JOIN shares ON backups.shareID=shares.ID |
132 |
|
INNER JOIN hosts ON backups.hostID = hosts.ID |
133 |
|
WHERE hosts.name = ? and shares.name = ? and backups.num = ? |
134 |
|
}); |
135 |
|
$sth->execute($host, $share, $num); |
136 |
|
my ($id) = $sth->fetchrow_array; |
137 |
|
|
138 |
|
$hsn_cache->{"$host $share $num"} = $id; |
139 |
|
|
140 |
|
print STDERR "# $host $share $num == $id\n" if ($opt{d}); |
141 |
|
|
142 |
|
return $id; |
143 |
|
} |
144 |
|
|
145 |
|
|
146 |
|
sub tar_check($$$$) { |
147 |
|
my ($host,$share,$num,$filename) = @_; |
148 |
|
|
149 |
|
my $t = time(); |
150 |
|
print curr_time, " check $host:$share#$num -> $filename"; |
151 |
|
|
152 |
|
# depending on expected returned value this is used like: |
153 |
|
# my $uncompress_size = get_gzip_size('/full/path/to.gz'); |
154 |
|
# my ($compress_size, $uncompress_size) = get_gzip_size('/path.gz'); |
155 |
|
sub get_gzip_size($) { |
156 |
|
my $filename = shift; |
157 |
|
die "file $filename problem: $!" unless (-r $filename); |
158 |
|
open(my $gzip, $bin->{gzip}." -l $filename |") || die "can't gzip -l $filename: $!"; |
159 |
|
my $line = <$gzip>; |
160 |
|
chomp($line); |
161 |
|
$line = <$gzip> if ($line =~ /^\s+compressed/); |
162 |
|
|
163 |
|
my ($comp, $uncomp) = (0,0); |
164 |
|
|
165 |
|
if ($line =~ m/^\s+(\d+)\s+(\d+)\s+\d+\.\d+/) { |
166 |
|
if (wantarray) { |
167 |
|
return [ $1, $2 ]; |
168 |
|
} else { |
169 |
|
return $2; |
170 |
|
} |
171 |
|
} else { |
172 |
|
die "can't find size in line: $line"; |
173 |
|
} |
174 |
|
} |
175 |
|
|
176 |
|
sub check_part { |
177 |
|
my ($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items) = @_; |
178 |
|
my $backup_id = get_backup_id($host, $share, $num); |
179 |
|
my $sth_md5 = $dbh->prepare(qq{ |
180 |
|
select |
181 |
|
id, tar_size, size, md5, items |
182 |
|
from backup_parts |
183 |
|
where backup_id = ? and part_nr = ? |
184 |
|
}); |
185 |
|
|
186 |
|
$sth_md5->execute($backup_id, $part_nr); |
187 |
|
|
188 |
|
if (my $row = $sth_md5->fetchrow_hashref) { |
189 |
|
return if ( |
190 |
|
$row->{tar_size} >= $tar_size && |
191 |
|
$row->{size} == $size && |
192 |
|
$row->{md5} eq $md5 && |
193 |
|
$row->{items} == $items |
194 |
|
); |
195 |
|
print ", deleting invalid backup_parts $row->{id}"; |
196 |
|
$dbh->do(qq{ delete from backup_parts where id = $row->{id} }); |
197 |
|
} |
198 |
|
print ", inserting new"; |
199 |
|
my $sth_insert = $dbh->prepare(qq{ |
200 |
|
insert into backup_parts ( |
201 |
|
backup_id, |
202 |
|
part_nr, |
203 |
|
tar_size, |
204 |
|
size, |
205 |
|
md5, |
206 |
|
items |
207 |
|
) values (?,?,?,?,?,?) |
208 |
|
}); |
209 |
|
|
210 |
|
$sth_insert->execute($backup_id, $part_nr, $tar_size, $size, $md5, $items); |
211 |
|
$dbh->commit; |
212 |
|
} |
213 |
|
|
214 |
|
my @tar_parts; |
215 |
|
|
216 |
|
if (-d "$tar_dir/$filename") { |
217 |
|
print ", multi-part"; |
218 |
|
opendir(my $dir, "$tar_dir/$filename") || die "can't readdir $tar_dir/$filename: $!"; |
219 |
|
@tar_parts = map { my $p = $_; $p =~ s#^#${filename}/#; $p } grep { !/^\./ && !/md5/ && -f "$tar_dir/$filename/$_" } readdir($dir); |
220 |
|
closedir($dir); |
221 |
|
} else { |
222 |
|
push @tar_parts, "${filename}.tar.gz"; |
223 |
|
} |
224 |
|
|
225 |
|
print " [parts: ",join(", ", @tar_parts),"]" if ($opt{d}); |
226 |
|
|
227 |
|
my $same = 1; |
228 |
|
my @tar_files; |
229 |
|
|
230 |
|
my $backup_part; |
231 |
|
|
232 |
|
print " reading" if ($opt{d}); |
233 |
|
|
234 |
|
foreach my $tarfilename (@tar_parts) { |
235 |
|
|
236 |
|
print "\n\t- $tarfilename"; |
237 |
|
|
238 |
|
my $path = "$tar_dir/$tarfilename"; |
239 |
|
|
240 |
|
my $size = (stat( $path ))[7] || die "can't stat $path: $!"; |
241 |
|
|
242 |
|
if ($size > $Conf{MaxArchiveSize}) { |
243 |
|
print ", part bigger than media $size > $Conf{MaxArchiveSize}\n"; |
244 |
|
return 0; |
245 |
|
} |
246 |
|
|
247 |
|
print ", $size bytes"; |
248 |
|
|
249 |
|
|
250 |
|
open(my $fh, "gzip -cd $path |") or die "can't open $path: $!"; |
251 |
|
binmode($fh); |
252 |
|
my $tar = Archive::Tar::Streamed->new($fh); |
253 |
|
|
254 |
|
my $tar_size_inarc = 0; |
255 |
|
my $items = 0; |
256 |
|
|
257 |
|
while(my $entry = $tar->next) { |
258 |
|
push @tar_files, $entry->name; |
259 |
|
$items++; |
260 |
|
$tar_size_inarc += $entry->size; |
261 |
|
|
262 |
|
if ($tar_size_inarc > $Conf{MaxArchiveFileSize}) { |
263 |
|
print ", part $tarfilename is too big $tar_size_inarc > $Conf{MaxArchiveFileSize}\n"; |
264 |
|
return 0; |
265 |
|
} |
266 |
|
|
267 |
|
} |
268 |
|
|
269 |
|
close($fh); |
270 |
|
|
271 |
|
print ", $items items"; |
272 |
|
|
273 |
|
if ($tar_size_inarc == 0 && $items == 0) { |
274 |
|
print ", EMPTY tar\n"; |
275 |
|
|
276 |
|
my $backup_id = get_backup_id($host, $share, $num); |
277 |
|
|
278 |
|
my $sth_inc_deleted = $dbh->prepare(qq{ |
279 |
|
update backups set |
280 |
|
inc_deleted = true |
281 |
|
where id = ? |
282 |
|
}); |
283 |
|
$sth_inc_deleted->execute($backup_id); |
284 |
|
|
285 |
|
$dbh->commit; |
286 |
|
|
287 |
|
return 1; |
288 |
|
} |
289 |
|
|
290 |
|
my $tar_size = get_gzip_size( $path ); |
291 |
|
|
292 |
|
# real tar size is bigger because of padding |
293 |
|
if ($tar_size_inarc > $tar_size) { |
294 |
|
print ", size of files in tar ($tar_size_inarc) bigger than whole tar ($tar_size)!\n"; |
295 |
|
return 0; |
296 |
|
} |
297 |
|
|
298 |
|
# |
299 |
|
# check if md5 exists, and if not, create one |
300 |
|
# |
301 |
|
|
302 |
|
my $md5_path = $path; |
303 |
|
$md5_path =~ s/\.tar\.gz$/.md5/ || die "can't create md5 filename from $md5_path"; |
304 |
|
if (! -e $md5_path || -z $md5_path) { |
305 |
|
print ", creating md5"; |
306 |
|
system( $bin->{md5sum} . " $path > $md5_path") == 0 or die "can't create md5 $path: $!"; |
307 |
|
} else { |
308 |
|
## FIXME check if existing md5 is valid |
309 |
|
} |
310 |
|
|
311 |
|
my $md5 = read_file( $md5_path ) || die "can't read md5sum file $md5_path: $!"; |
312 |
|
$md5 =~ s#\s.*$##; |
313 |
|
|
314 |
|
# extract part number from filename |
315 |
|
my $part_nr = 1; |
316 |
|
$part_nr = $1 if ($tarfilename =~ m#/(\d+)\.tar\.gz#); |
317 |
|
|
318 |
|
# |
319 |
|
# finally, check if backup_parts table in database is valid |
320 |
|
# |
321 |
|
|
322 |
|
check_part($host, $share, $num, $part_nr, $tar_size, $size, $md5, $items); |
323 |
|
} |
324 |
|
|
325 |
|
# short-cut and exit; |
326 |
|
return $same unless($same); |
327 |
|
|
328 |
|
@tar_files = sort @tar_files; |
329 |
|
print "\n\t",($#tar_files + 1), " tar files"; |
330 |
|
|
331 |
|
my $sth = $dbh->prepare(qq{ |
332 |
|
SELECT path,type |
333 |
|
FROM files |
334 |
|
JOIN shares on shares.id = shareid |
335 |
|
JOIN hosts on hosts.id = shares.hostid |
336 |
|
WHERE hosts.name = ? and shares.name = ? and backupnum = ? |
337 |
|
}); |
338 |
|
$sth->execute($host, $share, $num); |
339 |
|
my @db_files; |
340 |
|
while( my $row = $sth->fetchrow_hashref ) { |
341 |
|
|
342 |
|
my $path = $row->{'path'} || die "no path?"; |
343 |
|
$path =~ s#^/#./#; |
344 |
|
$path .= '/' if ($row->{'type'} == BPC_FTYPE_DIR); |
345 |
|
push @db_files, $path; |
346 |
|
} |
347 |
|
|
348 |
|
print " ",($#db_files + 1), " database files, diff"; |
349 |
|
|
350 |
|
@db_files = sort @db_files; |
351 |
|
|
352 |
|
if ($#tar_files != $#db_files) { |
353 |
|
$same = 0; |
354 |
|
print " NUMBER"; |
355 |
|
} else { |
356 |
|
my $diff = Algorithm::Diff->new(\@tar_files, \@db_files); |
357 |
|
while ( $diff->Next() ) { |
358 |
|
next if $diff->Same(); |
359 |
|
$same = 0; |
360 |
|
print "< $_\n" for $diff->Items(1); |
361 |
|
print "> $_\n" for $diff->Items(2); |
362 |
|
} |
363 |
|
} |
364 |
|
|
365 |
|
print " ",($same ? 'ok' : 'DIFFERENT'), |
366 |
|
", dur: ",fmt_time(time() - $t), "\n"; |
367 |
|
|
368 |
|
return $same; |
369 |
|
} |
370 |
|
|
371 |
|
|
372 |
#----- main |
#----- main |
373 |
|
|
374 |
my $sth = $dbh->prepare( qq{ |
my $sth = $dbh->prepare( qq{ |
377 |
backups.id as backup_id, |
backups.id as backup_id, |
378 |
hosts.name as host, |
hosts.name as host, |
379 |
shares.name as share, |
shares.name as share, |
380 |
backups.num as num |
backups.num as num, |
381 |
|
backups.date, |
382 |
|
inc_size, |
383 |
|
parts, |
384 |
|
count(backup_parts.backup_id) as backup_parts |
385 |
from backups |
from backups |
386 |
join shares on backups.hostid = shares.hostid |
join shares on backups.hostid = shares.hostid |
387 |
and shares.id = backups.shareid |
and shares.id = backups.shareid |
388 |
join hosts on shares.hostid = hosts.id |
join hosts on shares.hostid = hosts.id |
389 |
where inc_size < 0 and not inc_deleted |
full outer join backup_parts on backups.id = backup_parts.backup_id |
390 |
|
where not inc_deleted and backups.size > 0 |
391 |
|
group by backups.id, hosts.name, shares.name, backups.num, backups.date, inc_size, parts, backup_parts.backup_id |
392 |
order by backups.date |
order by backups.date |
393 |
|
|
394 |
} ); |
} ); |
395 |
|
|
396 |
$sth->execute(); |
$sth->execute(); |
397 |
|
my $num_backups = $sth->rows; |
398 |
|
my $curr_backup = 1; |
399 |
|
|
400 |
my $sth_inc_size = $dbh->prepare(qq{ update backups set inc_size = ? where id = ? }); |
if ($opt{h}) { |
401 |
|
warn "making increments just for host $opt{h}\n"; |
402 |
%BackupPC::SearchLib::Conf = %Conf; |
} |
403 |
|
|
404 |
while (my $row = $sth->fetchrow_hashref) { |
while (my $row = $sth->fetchrow_hashref) { |
405 |
|
|
406 |
|
if ($opt{h} && $row->{host} ne $opt{h}) { |
407 |
|
warn "skipped $row->{host}\n" if ($debug); |
408 |
|
next; |
409 |
|
} |
410 |
|
|
411 |
|
$curr_backup++; |
412 |
|
|
413 |
my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'}); |
my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'}); |
|
print curr_time, sprintf(" %s:%s %-3d ", $row->{'host'}, $row->{'share'}, $row->{'num'}), " -> $tar_file "; |
|
414 |
|
|
415 |
my $t = time(); |
# this will return -1 if file doesn't exist |
416 |
|
my $size = BackupPC::SearchLib::get_tgz_size_by_name($tar_file); |
417 |
|
|
418 |
my $cmd = qq{$tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} | gzip -9 > $tar_dir/$tar_file}; |
print "# size: $size backup.size: ", $row->{inc_size},"\n" if ($opt{d}); |
419 |
print STDERR "## $cmd\n" if ($debug); |
|
420 |
|
if ( $row->{'inc_size'} != -1 && $size != -1 && $row->{'inc_size'} >= $size && $row->{parts} == $row->{backup_parts}) { |
421 |
|
if ($check) { |
422 |
|
tar_check($row->{'host'}, $row->{'share'}, $row->{'num'}, $tar_file) && next; |
423 |
|
} else { |
424 |
|
next; |
425 |
|
} |
426 |
|
} |
427 |
|
|
428 |
system($cmd) == 0 or die "failed: $?"; |
print curr_time, " creating $curr_backup/$num_backups ", $row->{host}, ":", $row->{share}, " #", $row->{num}, |
429 |
|
" ", strftime('%Y-%m-%d', localtime($row->{date})), " -> $tar_file"; |
430 |
|
|
431 |
my $size = (stat( "$tar_dir/$tar_file" ))[7]; |
my $t = time(); |
432 |
|
|
433 |
|
# re-create archive? |
434 |
|
my $cmd = qq{ $tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} -f }; |
435 |
|
print STDERR "## $cmd\n" if ($debug); |
436 |
|
|
437 |
print " dur: ",fmt_time(time() - $t)," $size bytes\n"; |
if (system($cmd) != 0) { |
438 |
|
print STDERR " FAILED"; |
439 |
|
} |
440 |
|
|
441 |
$sth_inc_size->execute($size, $row->{'backup_id'}); |
print ", dur: ",fmt_time(time() - $t), "\n"; |
442 |
|
|
443 |
$dbh->commit; |
$dbh->commit; |
444 |
|
|