24 |
use Fcntl qw(LOCK_EX LOCK_NB); |
use Fcntl qw(LOCK_EX LOCK_NB); |
25 |
use Digest::MD5; |
use Digest::MD5; |
26 |
use File::Basename; |
use File::Basename; |
27 |
|
use Getopt::Long; |
28 |
|
|
29 |
# configuration |
# configuration |
30 |
my $LOG_TIME_FMT = '%Y-%m-%d %H:%M:%S'; # strftime format for logfile |
my $LOG_TIME_FMT = '%Y-%m-%d %H:%M:%S'; # strftime format for logfile |
35 |
|
|
36 |
# store backups in which directory |
# store backups in which directory |
37 |
my $BACKUP_DEST = '/backup/isis_backup'; |
my $BACKUP_DEST = '/backup/isis_backup'; |
38 |
|
#my $BACKUP_DEST = '/tmp/backup/'; |
39 |
|
|
40 |
# files to ignore in backup |
# files to ignore in backup |
41 |
my @ignore = ('.md5sum', '.backupignore', 'backupignore.txt'); |
my @ignore = ('.md5sum', '.backupignore', 'backupignore.txt'); |
52 |
sleep 1; |
sleep 1; |
53 |
redo if ++$c < 10; |
redo if ++$c < 10; |
54 |
# no response for 10 sec, bail out |
# no response for 10 sec, bail out |
55 |
print STDERR "can't take lock on $LOG -- another $0 running?\n"; |
xlog("ABORT","can't take lock on $LOG -- another $0 running?"); |
56 |
exit 1; |
exit 1; |
57 |
} |
} |
58 |
|
|
59 |
# taint path: nmblookup should be there! |
# taint path: nmblookup should be there! |
60 |
$ENV{'PATH'} = "/usr/bin:/bin"; |
$ENV{'PATH'} = "/usr/bin:/bin"; |
61 |
|
|
62 |
|
my $use_ping = 1; # deault: use ping to verify that host is up |
63 |
|
|
64 |
|
my $result = GetOptions( |
65 |
|
"ping!" => \$use_ping, "backupdest!" => \$BACKUP_DEST, |
66 |
|
); |
67 |
|
|
68 |
my $mounts = shift @ARGV || |
my $mounts = shift @ARGV || |
69 |
'mountscript'; |
'mountscript'; |
70 |
# die "usage: $0 mountscript"; |
# die "usage: $0 mountscript"; |
72 |
|
|
73 |
my @in_backup; # shares which are backeduped this run |
my @in_backup; # shares which are backeduped this run |
74 |
|
|
75 |
my $p = new Net::Ping->new("tcp", 2); |
my $ping; |
76 |
# ping will try tcp connect to netbios-ssn (139) |
if ($use_ping) { |
77 |
$p->{port_num} = getservbyname("netbios-ssn", "tcp"); |
$ping = new Net::Ping->new("tcp", 2); |
78 |
|
# ping will try tcp connect to netbios-ssn (139) |
79 |
|
$ping->{port_num} = getservbyname("netbios-ssn", "tcp"); |
80 |
|
} |
81 |
|
|
82 |
my $backup_ok = 0; |
my $backup_ok = 0; |
83 |
|
|
92 |
next if !/^\s*smbmount\s/; |
next if !/^\s*smbmount\s/; |
93 |
my (undef,$share,undef,$opt) = split(/\s+/,$_,4); |
my (undef,$share,undef,$opt) = split(/\s+/,$_,4); |
94 |
|
|
95 |
my ($user,$passwd,$workgroup); |
my ($user,$passwd,$workgroup,$ip); |
96 |
|
|
97 |
foreach (split(/,/,$opt)) { |
foreach (split(/,/,$opt)) { |
98 |
my ($n,$v) = split(/=/,$_,2); |
my ($n,$v) = split(/=/,$_,2); |
108 |
} |
} |
109 |
} elsif ($n =~ m#workgroup#i) { |
} elsif ($n =~ m#workgroup#i) { |
110 |
$workgroup = $v; |
$workgroup = $v; |
111 |
|
} elsif ($n =~ m#ip#i) { |
112 |
|
$ip = $v; |
113 |
} |
} |
114 |
} |
} |
115 |
|
|
120 |
my $bl = "$BACKUP_DEST/$host/$dir/latest"; # latest backup |
my $bl = "$BACKUP_DEST/$host/$dir/latest"; # latest backup |
121 |
my $bc = "$BACKUP_DEST/$host/$dir/$date_dir"; # current one |
my $bc = "$BACKUP_DEST/$host/$dir/$date_dir"; # current one |
122 |
my $real_bl; |
my $real_bl; |
123 |
if (-e $bl) { |
if (-l $bl) { |
124 |
$real_bl=readlink($bl) || die "can't read link $bl: $!"; |
$real_bl=readlink($bl) || die "can't read link $bl: $!"; |
125 |
$real_bl="$BACKUP_DEST/$host/$dir/$real_bl" if (substr($real_bl,0,1) ne "/"); |
$real_bl="$BACKUP_DEST/$host/$dir/$real_bl" if (substr($real_bl,0,1) ne "/"); |
126 |
if (-e $bc && $real_bl eq $bc) { |
if (-l $bc && $real_bl eq $bc) { |
127 |
print "$share allready backuped...\n"; |
print "$share allready backuped...\n"; |
128 |
$backup_ok++; |
$backup_ok++; |
129 |
next; |
next; |
134 |
|
|
135 |
print "working on $share\n"; |
print "working on $share\n"; |
136 |
|
|
137 |
|
# try to nmblookup IP |
138 |
my $ip = get_ip($share); |
$ip = get_ip($share) if (! $ip); |
139 |
|
|
140 |
if ($ip) { |
if ($ip) { |
141 |
xlog($share,"IP is $ip"); |
xlog($share,"IP is $ip"); |
142 |
if ($p->ping($ip)) { |
if (($use_ping && $ping->ping($ip)) || 1) { |
143 |
snap_share($share,$user,$passwd,$workgroup); |
if (snap_share($share,$user,$passwd,$workgroup)) { |
144 |
$backup_ok++; |
$backup_ok++; |
145 |
|
} |
146 |
} |
} |
147 |
} |
} |
148 |
} |
} |
218 |
my $bc = "$BACKUP_DEST/$host/$dir/$date_dir"; |
my $bc = "$BACKUP_DEST/$host/$dir/$date_dir"; |
219 |
|
|
220 |
my $real_bl; |
my $real_bl; |
221 |
if (-e $bl) { |
if (-l $bl) { |
222 |
$real_bl=readlink($bl) || die "can't read link $bl: $!"; |
$real_bl=readlink($bl) || die "can't read link $bl: $!"; |
223 |
$real_bl="$BACKUP_DEST/$host/$dir/$real_bl" if (substr($real_bl,0,1) ne "/"); |
$real_bl="$BACKUP_DEST/$host/$dir/$real_bl" if (substr($real_bl,0,1) ne "/"); |
224 |
} else { |
} else { |
239 |
} |
} |
240 |
} |
} |
241 |
|
|
242 |
if (-e $bc && $real_bl && $real_bl eq $bc) { |
if (-l $bc && $real_bl && $real_bl eq $bc) { |
243 |
print "$share allready backuped...\n"; |
print "$share allready backuped...\n"; |
244 |
return; |
return 1; |
245 |
} |
} |
246 |
|
|
247 |
die "You should really create BACKUP_DEST [$BACKUP_DEST] by hand! " if (!-e $BACKUP_DEST); |
die "You should really create BACKUP_DEST [$BACKUP_DEST] by hand! " if (!-e $BACKUP_DEST); |
269 |
my %file_atime; |
my %file_atime; |
270 |
my %file_mtime; |
my %file_mtime; |
271 |
#my %file_md5; |
#my %file_md5; |
272 |
|
%file_md5 = (); |
273 |
|
|
274 |
my @smb_files; |
my @smb_files; |
275 |
my %smb_size; |
my %smb_size; |
300 |
push @ignore,norm_dir("$d/$_"); |
push @ignore,norm_dir("$d/$_"); |
301 |
} |
} |
302 |
close(I); |
close(I); |
303 |
print STDERR "ignore: ",join("|",@ignore),"\n"; |
#print STDERR "ignore: ",join("|",@ignore),"\n"; |
304 |
link "$real_bl/$d/.backupignore","$bc/$d/.backupignore" || |
link "$real_bl/$d/.backupignore","$bc/$d/.backupignore" || |
305 |
warn "can't copy $real_bl/$d/.backupignore to current backup dir: $!\n"; |
warn "can't copy $real_bl/$d/.backupignore to current backup dir: $!\n"; |
306 |
} |
} |
331 |
} elsif (-d $pf) { |
} elsif (-d $pf) { |
332 |
push @dirs,$pr; |
push @dirs,$pr; |
333 |
} else { |
} else { |
334 |
print STDERR "unknown type: $pf\n"; |
print STDERR "not file or directory: $pf\n"; |
335 |
} |
} |
336 |
} else { |
} else { |
337 |
print STDERR "ignored: $pr\n"; |
print STDERR "ignored: $pr\n"; |
339 |
} |
} |
340 |
} |
} |
341 |
|
|
342 |
xlog($share,($#files+1)." files and ".($#dirs+1)." dirs on local disk before backup"); |
# local dir always include / |
343 |
|
xlog($share,($#files+1)." files and ".($#dirs)." dirs on local disk before backup"); |
344 |
|
|
345 |
# read smb filesystem |
# read smb filesystem |
346 |
|
|
351 |
|
|
352 |
$di = 0; |
$di = 0; |
353 |
while ($di <= $#smb_dirs) { |
while ($di <= $#smb_dirs) { |
354 |
my $d=$smb_dirs[$di++]; |
my $d=$smb_dirs[$di]; |
355 |
my $pf = norm_dir($d,"smb:$share/"); # path full |
my $pf = norm_dir($d,"smb:$share/"); # path full |
356 |
my $D = $smb->opendir($pf) || warn "smb->opendir($pf): $!\n"; |
my $D = $smb->opendir($pf); |
357 |
|
if (! $D) { |
358 |
|
xlog($share,"FATAL: $share [$pf]: $!"); |
359 |
|
# remove failing dir |
360 |
|
delete $smb_dirs[$di]; |
361 |
|
return 0; # failed |
362 |
|
} |
363 |
|
$di++; |
364 |
|
|
365 |
my @clutter = $smb->readdir_struct($D); |
my @clutter = $smb->readdir_struct($D); |
366 |
foreach my $item (@clutter) { |
foreach my $item (@clutter) { |
378 |
} elsif ($item->[0] == main::SMBC_DIR) { |
} elsif ($item->[0] == main::SMBC_DIR) { |
379 |
push @smb_dirs,$pr; |
push @smb_dirs,$pr; |
380 |
} else { |
} else { |
381 |
print STDERR "unknown type: $pf\n"; |
print STDERR "not file or directory [",$item->[0],"]: $pf\n"; |
382 |
} |
} |
383 |
} else { |
} else { |
384 |
print STDERR "smb ignored: $pr\n"; |
print STDERR "smb ignored: $pr\n"; |
386 |
} |
} |
387 |
} |
} |
388 |
|
|
389 |
xlog($share,($#smb_files+1)." files and ".($#smb_dirs+1)." dirs on remote share"); |
xlog($share,($#smb_files+1)." files and ".($#smb_dirs)." dirs on remote share"); |
390 |
|
|
391 |
# sync dirs |
# sync dirs |
392 |
my $lc = List::Compare->new(\@dirs, \@smb_dirs); |
my $lc = List::Compare->new(\@dirs, \@smb_dirs); |
418 |
|
|
419 |
foreach my $f (@_) { |
foreach my $f (@_) { |
420 |
#print "smb_copy $from/$f -> $to/$f\n"; |
#print "smb_copy $from/$f -> $to/$f\n"; |
|
if (! open(F,"> $to/$f")) { |
|
|
print STDERR "can't open new file $to/$f: $!\n"; |
|
|
next; |
|
|
} |
|
|
|
|
421 |
my $md5 = Digest::MD5->new; |
my $md5 = Digest::MD5->new; |
422 |
|
|
423 |
my $fd = $smb->open("$from/$f"); |
my $fd = $smb->open("$from/$f"); |
424 |
if (! $fd) { |
if (! $fd) { |
425 |
print STDERR "can't open smb file $from/$f: $!\n"; |
xlog("WARNING","can't open smb file $from/$f: $!"); |
426 |
|
next; |
427 |
|
} |
428 |
|
|
429 |
|
if (! open(F,"> $to/$f")) { |
430 |
|
xlog("WARNING","can't open new file $to/$f: $!"); |
431 |
next; |
next; |
432 |
} |
} |
433 |
|
|
501 |
# remove files |
# remove files |
502 |
foreach (sort @files2erase) { |
foreach (sort @files2erase) { |
503 |
unlink "$bc/$_" || warn "unlink $_: $!\n"; |
unlink "$bc/$_" || warn "unlink $_: $!\n"; |
504 |
|
delete $file_md5{$_}; |
505 |
} |
} |
506 |
|
|
507 |
# remove not needed dirs (after files) |
# remove not needed dirs (after files) |
514 |
unlink "$bc/$_/.md5sum" if (-e "$bc/$_/.md5sum"); |
unlink "$bc/$_/.md5sum" if (-e "$bc/$_/.md5sum"); |
515 |
} |
} |
516 |
|
|
517 |
|
# erase stale entries in .md5sum |
518 |
|
my @md5_files = keys %file_md5; |
519 |
|
$lc = List::Compare->new(\@md5_files, \@smb_files); |
520 |
|
foreach my $file ($lc->get_Lonly) { |
521 |
|
xlog("NOTICE","removing stale '$file' from .md5sum"); |
522 |
|
delete $file_md5{$file}; |
523 |
|
} |
524 |
|
|
525 |
# create .md5sum |
# create .md5sum |
526 |
my $last_dir = ''; |
my $last_dir = ''; |
527 |
my $md5; |
my $md5; |
537 |
} |
} |
538 |
print $md5 $file_md5{$f}," $file\n"; |
print $md5 $file_md5{$f}," $file\n"; |
539 |
} |
} |
540 |
close($md5); |
close($md5) if ($md5); |
541 |
|
|
542 |
# create leatest link |
# create leatest link |
543 |
#print "ln -s $bc $real_bl\n"; |
#print "ln -s $bc $real_bl\n"; |
544 |
if (-e $bl) { |
if (-l $bl) { |
545 |
unlink $bl || warn "can't remove old latest symlink $bl: $!\n"; |
unlink $bl || warn "can't remove old latest symlink $bl: $!\n"; |
546 |
} |
} |
547 |
symlink $bc,$bl || warn "can't create latest symlink $bl -> $bc: $!\n"; |
symlink $bc,$bl || warn "can't create latest symlink $bl -> $bc: $!\n"; |
548 |
|
|
549 |
# FIX: sanity check -- remove for speedup |
# FIX: sanity check -- remove for speedup |
550 |
xlog($share,"failed to create latest symlink...") if (readlink($bl) ne $bc || ! -e $bl); |
xlog($share,"failed to create latest symlink $bl -> $bc...") if (readlink($bl) ne $bc || ! -l $bl); |
551 |
|
|
552 |
xlog($share,"backup completed..."); |
xlog($share,"backup completed..."); |
|
} |
|
553 |
|
|
554 |
|
return 1; |
555 |
|
} |
556 |
__END__ |
__END__ |
557 |
#------------------------------------------------------------------------- |
#------------------------------------------------------------------------- |
558 |
|
|