# full or incremental backup needs to be run. If no backup is
# scheduled, or a ping to $client fails, then BackupPC_dump quits.
#
-# The backup is done using the selected XferMethod (smb, tar, rsync etc),
-# extracting the dump into $TopDir/pc/$client/new. The xfer output is
-# put into $TopDir/pc/$client/XferLOG.
+# The backup is done using the selected XferMethod (smb, tar, rsync,
+# backuppcd etc), extracting the dump into $TopDir/pc/$client/new.
+# The xfer output is put into $TopDir/pc/$client/XferLOG.
#
# If the dump succeeds (based on parsing the output of the XferMethod):
# - $TopDir/pc/$client/new is renamed to $TopDir/pc/$client/nnn, where
#
#========================================================================
#
-# Version 2.1.0, released 20 Jun 2004.
+# Version 3.0.0beta1, released 30 Jul 2006.
#
# See http://backuppc.sourceforge.net.
#
use lib "/usr/local/BackupPC/lib";
use BackupPC::Lib;
use BackupPC::FileZIO;
+use BackupPC::Storage;
use BackupPC::Xfer::Smb;
use BackupPC::Xfer::Tar;
use BackupPC::Xfer::Rsync;
+use BackupPC::Xfer::BackupPCd;
+use Encode;
use Socket;
use File::Path;
use File::Find;
if ( !-f "$Dir/LOCK" ) {
open(LOCK, ">", "$Dir/LOCK") && close(LOCK);
}
-open(LOG, ">>", "$Dir/LOG");
+
+my($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
+my $logPath = sprintf("$Dir/LOG.%02d%04d", $mon + 1, $year + 1900);
+
+if ( !-f $logPath ) {
+ #
+ # Compress and prune old log files
+ #
+ my $lastLog = $Conf{MaxOldPerPCLogFiles} - 1;
+ foreach my $file ( $bpc->sortedPCLogFiles($client) ) {
+ if ( $lastLog <= 0 ) {
+ unlink($file);
+ next;
+ }
+ $lastLog--;
+ next if ( $file =~ /\.z$/ || !$Conf{CompressLevel} );
+ BackupPC::FileZIO->compressCopy($file,
+ "$file.z",
+ undef,
+ $Conf{CompressLevel}, 1);
+ }
+}
+
+open(LOG, ">>", $logPath);
select(LOG); $| = 1; select(STDOUT);
#
print("DHCP $hostIP $clientURI\n");
}
-my($needLink, @Backups, $type, $lastBkupNum, $lastFullBkupNum);
-my $lastFull = 0;
-my $lastIncr = 0;
+my($needLink, @Backups, $type);
+my($incrBaseTime, $incrBaseBkupNum, $incrBaseLevel, $incrLevel);
+my $lastFullTime = 0;
+my $lastIncrTime = 0;
my $partialIdx = -1;
my $partialNum;
+my $lastBkupNum;
my $lastPartial = 0;
-if ( $Conf{FullPeriod} == -1 && !$opts{f} && !$opts{i}
- || $Conf{FullPeriod} == -2 ) {
+#
+# Maintain backward compatibility with $Conf{FullPeriod} == -1 or -2
+# meaning disable backups
+#
+$Conf{BackupsDisable} = -$Conf{FullPeriod}
+ if ( !$Conf{BackupsDisable} && $Conf{FullPeriod} < 0 );
+
+if ( $Conf{BackupsDisable} == 1 && !$opts{f} && !$opts{i}
+ || $Conf{BackupsDisable} == 2 ) {
print(STDERR "Exiting because backups are disabled with"
- . " \$Conf{FullPeriod} = $Conf{FullPeriod}\n") if ( $opts{v} );
+ . " \$Conf{BackupsDisable} = $Conf{BackupsDisable}\n") if ( $opts{v} );
#
# Tell BackupPC to ignore old failed backups on hosts that
# have backups disabled.
my($currHours) = $hour + $min / 60 + $sec / 3600;
my $blackout;
- #
- # Handle backward compatibility with original separate scalar
- # parameters.
- #
- if ( defined($Conf{BlackoutHourBegin}) ) {
- push(@{$Conf{BlackoutPeriods}},
- {
- hourBegin => $Conf{BlackoutHourBegin},
- hourEnd => $Conf{BlackoutHourEnd},
- weekDays => $Conf{BlackoutWeekDays},
- }
- );
- }
foreach my $p ( @{$Conf{BlackoutPeriods}} ) {
#
- # Allow blackout to span midnight (specified by BlackoutHourBegin
- # being greater than BlackoutHourEnd)
+ # Allow blackout to span midnight (specified by hourBegin
+ # being greater than hourEnd)
#
next if ( ref($p->{weekDays}) ne "ARRAY"
|| !defined($p->{hourBegin})
}
if ( !$opts{i} && !$opts{f} && $StatusHost{backoffTime} > time ) {
- printf(LOG "%sskipping because of user requested delay (%.1f hours left)",
+ printf(LOG "%sskipping because of user requested delay (%.1f hours left)\n",
$bpc->timeStamp, ($StatusHost{backoffTime} - time) / 3600);
NothingToDo($needLink);
}
#
BackupExpire($client);
+my(@lastIdxByLevel, $incrCntSinceFull);
+
#
# Read Backup information, and find times of the most recent full and
-# incremental backups
+# incremental backups. Also figure out which backup we will use
+# as a starting point for an incremental.
#
@Backups = $bpc->BackupInfoRead($client);
+## @Backups = sort( { $a->{startTime} <=> $b->{startTime} }, @Backups);
for ( my $i = 0 ; $i < @Backups ; $i++ ) {
$needLink = 1 if ( $Backups[$i]{nFilesNew} eq ""
|| -f "$Dir/NewFileList.$Backups[$i]{num}" );
- $lastBkupNum = $Backups[$i]{num};
if ( $Backups[$i]{type} eq "full" ) {
- if ( $lastFull < $Backups[$i]{startTime} ) {
- $lastFull = $Backups[$i]{startTime};
- $lastFullBkupNum = $Backups[$i]{num};
+ $incrCntSinceFull = 0;
+ $lastBkupNum = $Backups[$i]{num};
+ $lastIdxByLevel[0] = $i;
+ if ( $lastFullTime < $Backups[$i]{startTime} ) {
+ $lastFullTime = $Backups[$i]{startTime};
}
} elsif ( $Backups[$i]{type} eq "incr" ) {
- $lastIncr = $Backups[$i]{startTime}
- if ( $lastIncr < $Backups[$i]{startTime} );
+ $incrCntSinceFull++;
+ $lastBkupNum = $Backups[$i]{num};
+ $lastIdxByLevel[$Backups[$i]{level}] = $i;
+ $lastIncrTime = $Backups[$i]{startTime}
+ if ( $lastIncrTime < $Backups[$i]{startTime} );
} elsif ( $Backups[$i]{type} eq "partial" ) {
$partialIdx = $i;
$lastPartial = $Backups[$i]{startTime};
#
if ( @Backups == 0
|| $opts{f}
- || (!$opts{i} && (time - $lastFull > $Conf{FullPeriod} * 24*3600
- && time - $lastIncr > $Conf{IncrPeriod} * 24*3600)) ) {
+ || (!$opts{i} && (time - $lastFullTime > $Conf{FullPeriod} * 24*3600
+ && time - $lastIncrTime > $Conf{IncrPeriod} * 24*3600)) ) {
$type = "full";
-} elsif ( $opts{i} || (time - $lastIncr > $Conf{IncrPeriod} * 24*3600
- && time - $lastFull > $Conf{IncrPeriod} * 24*3600) ) {
+ $incrLevel = 0;
+ $incrBaseBkupNum = $lastBkupNum;
+} elsif ( $opts{i} || (time - $lastIncrTime > $Conf{IncrPeriod} * 24*3600
+ && time - $lastFullTime > $Conf{IncrPeriod} * 24*3600) ) {
$type = "incr";
+ #
+ # For an incremental backup, figure out which level we should
+ # do and the index of the reference backup, which is the most
+ # recent backup at any lower level.
+ #
+ @{$Conf{IncrLevels}} = [$Conf{IncrLevels}]
+ unless ref($Conf{IncrLevels}) eq "ARRAY";
+ @{$Conf{IncrLevels}} = [1] if ( !@{$Conf{IncrLevels}} );
+ $incrCntSinceFull = $incrCntSinceFull % @{$Conf{IncrLevels}};
+ $incrLevel = $Conf{IncrLevels}[$incrCntSinceFull];
+ for ( my $i = 0 ; $i < $incrLevel ; $i++ ) {
+ my $idx = $lastIdxByLevel[$i];
+ next if ( !defined($idx) );
+ if ( !defined($incrBaseTime)
+ || $Backups[$idx]{startTime} > $incrBaseTime ) {
+ $incrBaseBkupNum = $Backups[$idx]{num};
+ $incrBaseLevel = $Backups[$idx]{level};
+ $incrBaseTime = $Backups[$idx]{startTime};
+ }
+ }
+ #
+ # Can't find any earlier lower-level backup! Shouldn't
+ # happen - just do full instead
+ #
+ if ( !defined($incrBaseBkupNum) || $incrLevel < 1 ) {
+ $type = "full";
+ $incrBaseBkupNum = $lastBkupNum;
+ }
} else {
NothingToDo($needLink);
}
#
# Setup file extension for compression and open XferLOG output file
#
-$Conf{CompressLevel} = 0 if ( !BackupPC::FileZIO->compOk );
+if ( $Conf{CompressLevel} && !BackupPC::FileZIO->compOk ) {
+ print(LOG $bpc->timeStamp, "dump failed: can't find Compress::Zlib\n");
+ print("dump failed: can't find Compress::Zlib\n");
+ exit(1);
+}
my $fileExt = $Conf{CompressLevel} > 0 ? ".z" : "";
my $XferLOG = BackupPC::FileZIO->open("$Dir/XferLOG$fileExt", 1,
$Conf{CompressLevel});
$ShareNames = $Conf{TarShareName};
} elsif ( $Conf{XferMethod} eq "rsync" || $Conf{XferMethod} eq "rsyncd" ) {
$ShareNames = $Conf{RsyncShareName};
+} elsif ( $Conf{XferMethod} eq "backuppcd" ) {
+ $ShareNames = $Conf{BackupPCdShareName};
} else {
$ShareNames = $Conf{SmbShareName};
}
# Run an optional pre-dump command
#
UserCommandRun("DumpPreUserCmd");
+if ( $? && $Conf{UserCmdCheckStatus} ) {
+ print(LOG $bpc->timeStamp,
+ "DumpPreUserCmd returned error status $?... exiting\n");
+ print("dump failed: DumpPreUserCmd returned error status $?\n");
+ exit(1);
+}
$NeedPostCmd = 1;
#
for my $shareName ( @$ShareNames ) {
local(*RH, *WH);
+ #
+ # Convert $shareName to utf8 octets
+ #
+ $shareName = encode("utf8", $shareName);
$stat{xferOK} = $stat{hostAbort} = undef;
$stat{hostError} = $stat{lastOutputLine} = undef;
if ( -d "$Dir/new/$shareName" ) {
next;
}
+ UserCommandRun("DumpPreShareCmd", $shareName);
+ if ( $? && $Conf{UserCmdCheckStatus} ) {
+ print(LOG $bpc->timeStamp,
+ "DumpPreShareCmd returned error status $?... exiting\n");
+ print("dump failed: DumpPreShareCmd returned error status $?\n");
+ UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
+ exit(1);
+ }
+
if ( $Conf{XferMethod} eq "tar" ) {
#
# Use tar (eg: tar/ssh) as the transport program.
my $errStr = BackupPC::Xfer::Rsync::errStr;
print(LOG $bpc->timeStamp, "dump failed: $errStr\n");
print("dump failed: $errStr\n");
+ UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
+ UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
+ exit(1);
+ }
+ } elsif ( $Conf{XferMethod} eq "backuppcd" ) {
+ #
+ # Use backuppcd as the transport program.
+ #
+ if ( !defined($xfer = BackupPC::Xfer::BackupPCd->new($bpc)) ) {
+ my $errStr = BackupPC::Xfer::BackupPCd::errStr;
+ print(LOG $bpc->timeStamp, "dump failed: $errStr\n");
+ print("dump failed: $errStr\n");
+ UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
exit(1);
}
# Run the transport program
#
$xfer->args({
- host => $host,
- client => $client,
- hostIP => $hostIP,
- shareName => $shareName,
- pipeRH => *RH,
- pipeWH => *WH,
- XferLOG => $XferLOG,
- newFilesFH => $newFilesFH,
- outDir => $Dir,
- type => $type,
- lastFull => $lastFull,
- lastBkupNum => $lastBkupNum,
- lastFullBkupNum => $lastFullBkupNum,
- backups => \@Backups,
- compress => $Conf{CompressLevel},
- XferMethod => $Conf{XferMethod},
- logLevel => $Conf{XferLogLevel},
- pidHandler => \&pidHandler,
- partialNum => $partialNum,
+ host => $host,
+ client => $client,
+ hostIP => $hostIP,
+ shareName => $shareName,
+ pipeRH => *RH,
+ pipeWH => *WH,
+ XferLOG => $XferLOG,
+ newFilesFH => $newFilesFH,
+ outDir => $Dir,
+ type => $type,
+ incrBaseTime => $incrBaseTime,
+ incrBaseBkupNum => $incrBaseBkupNum,
+ backups => \@Backups,
+ compress => $Conf{CompressLevel},
+ XferMethod => $Conf{XferMethod},
+ logLevel => $Conf{XferLogLevel},
+ pidHandler => \&pidHandler,
+ partialNum => $partialNum,
});
if ( !defined($logMsg = $xfer->start()) ) {
sleep(1);
kill($bpc->sigName2num("KILL"), @xferPid);
}
+ UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
exit(1);
}
close(WH);
}
print(LOG $bpc->timeStamp, $logMsg, "\n");
+ $XferLOG->write(\"$logMsg\n");
print("started $type dump, share=$shareName\n");
pidHandler(@xferPid);
next;
}
}
+
+ if ( $NeedPostCmd ) {
+ UserCommandRun("DumpPostShareCmd", $shareName);
+ if ( $? && $Conf{UserCmdCheckStatus} ) {
+ print(LOG $bpc->timeStamp,
+ "DumpPostShareCmd returned error status $?... exiting\n");
+ $stat{hostError} = "DumpPostShareCmd returned error status $?";
+ }
+ }
+
$stat{xferOK} = 0 if ( $stat{hostError} || $stat{hostAbort} );
if ( !$stat{xferOK} ) {
#
}
UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
+if ( $? && $Conf{UserCmdCheckStatus} ) {
+ print(LOG $bpc->timeStamp,
+ "DumpPostUserCmd returned error status $?... exiting\n");
+ $stat{hostError} = "DumpPostUserCmd returned error status $?";
+ $stat{xferOK} = 0;
+}
close($newFilesFH) if ( defined($newFilesFH) );
my $endTime = time();
my($client) = @_;
my($Dir) = "$TopDir/pc/$client";
my(@Backups) = $bpc->BackupInfoRead($client);
- my($cntFull, $cntIncr, $firstFull, $firstIncr, $oldestIncr, $oldestFull);
+ my($cntFull, $cntIncr, $firstFull, $firstIncr, $oldestIncr,
+ $oldestFull, $changes);
if ( $Conf{FullKeepCnt} <= 0 ) {
print(LOG $bpc->timeStamp,
if ( $Backups[$i]{type} eq "full" ) {
$firstFull = $i if ( $cntFull == 0 );
$cntFull++;
- } else {
+ } elsif ( $Backups[$i]{type} eq "incr" ) {
$firstIncr = $i if ( $cntIncr == 0 );
$cntIncr++;
}
if ( $cntIncr > 0 );
$oldestFull = (time - $Backups[$firstFull]{startTime}) / (24 * 3600)
if ( $cntFull > 0 );
- if ( $cntIncr > $Conf{IncrKeepCnt}
- || ($cntIncr > $Conf{IncrKeepCntMin}
- && $oldestIncr > $Conf{IncrAgeMax})
- && (@Backups <= $firstIncr + 1
- || $Backups[$firstIncr]{noFill}
- || !$Backups[$firstIncr + 1]{noFill}) ) {
+
+ #
+ # With multi-level incrementals, several of the following
+ # incrementals might depend upon this one, so we have to
+ # delete all of the them. Figure out if that is possible
+ # by counting the number of consecutive incrementals that
+ # are unfilled and have a level higher than this one.
+ #
+ my $cntIncrDel = 1;
+ my $earliestIncr = $oldestIncr;
+
+ for ( my $i = $firstIncr + 1 ; $i < @Backups ; $i++ ) {
+ last if ( $Backups[$i]{level} <= $Backups[$firstIncr]{level}
+ || !$Backups[$i]{noFill} );
+ $cntIncrDel++;
+ $earliestIncr = (time - $Backups[$i]{startTime}) / (24 * 3600);
+ }
+
+ if ( $cntIncr >= $Conf{IncrKeepCnt} + $cntIncrDel
+ || ($cntIncr >= $Conf{IncrKeepCntMin} + $cntIncrDel
+ && $earliestIncr > $Conf{IncrAgeMax}) ) {
#
- # Only delete an incr backup if the Conf settings are satisfied.
- # We also must make sure that either this backup is the most
- # recent one, or it is not filled, or the next backup is filled.
- # (We can't deleted a filled incr if the next backup is not
- # filled.)
+ # Only delete an incr backup if the Conf settings are satisfied
+ # for all $cntIncrDel incrementals. Since BackupRemove() does
+ # a splice() we need to do the deletes in the reverse order.
#
- print(LOG $bpc->timeStamp,
- "removing incr backup $Backups[$firstIncr]{num}\n");
- BackupRemove($client, \@Backups, $firstIncr);
+ for ( my $i = $firstIncr + $cntIncrDel - 1 ;
+ $i >= $firstIncr ; $i-- ) {
+ print(LOG $bpc->timeStamp,
+ "removing incr backup $Backups[$i]{num}\n");
+ BackupRemove($client, \@Backups, $i);
+ $changes++;
+ }
next;
}
$fullKeepCnt = [$fullKeepCnt] if ( ref($fullKeepCnt) ne "ARRAY" );
my $fullAgeMax;
my $fullPeriod = int(0.5 + $Conf{FullPeriod});
+ $fullPeriod = 7 if ( $fullPeriod <= 0 );
for ( my $i = 0 ; $i < @$fullKeepCnt ; $i++ ) {
$fullAgeMax += $fullKeepCnt->[$i] * $fullPeriod;
$fullPeriod *= 2;
print(LOG $bpc->timeStamp,
"removing old full backup $Backups[$firstFull]{num}\n");
BackupRemove($client, \@Backups, $firstFull);
+ $changes++;
next;
}
# where $Conf{FullKeepCnt} is an array.
#
last if ( !BackupFullExpire($client, \@Backups) );
+ $changes++;
}
- $bpc->BackupInfoWrite($client, @Backups);
+ $bpc->BackupInfoWrite($client, @Backups) if ( $changes );
}
#
#
# Delete the full backup
#
- #printf("Deleting backup $i ($prevFull)\n");
- push(@delete, $i);
+ #print("Deleting backup $i ($prevFull)\n");
+ unshift(@delete, $i);
} else {
$fullCnt++;
while ( $fullKeepIdx < @$fullKeepCnt
{
my @Backups = $bpc->BackupInfoRead($client);
my $num = -1;
+ my $newFilesFH;
#
# Since we got a good backup we should remove any partial dumps
$Backups[$i]{tarErrs} = $tarErrs;
$Backups[$i]{compress} = $Conf{CompressLevel};
$Backups[$i]{noFill} = $type eq "incr" ? 1 : 0;
- $Backups[$i]{level} = $type eq "incr" ? 1 : 0;
- $Backups[$i]{mangle} = 1; # name mangling always on for v1.04+
+ $Backups[$i]{level} = $incrLevel;
+ $Backups[$i]{mangle} = 1; # name mangling always on for v1.04+
+ $Backups[$i]{xferMethod} = $Conf{XferMethod};
+ $Backups[$i]{charset} = $Conf{ClientCharset};
+ #
+ # Save the main backups file
+ #
$bpc->BackupInfoWrite($client, @Backups);
+ #
+ # Save just this backup's info in case the main backups file
+ # gets corrupted
+ #
+ BackupPC::Storage->backupInfoWrite($Dir, $Backups[$i]{num},
+ $Backups[$i]);
unlink("$Dir/timeStamp.level0") if ( -f "$Dir/timeStamp.level0" );
foreach my $ext ( qw(bad bad.z) ) {
$file = "$f->{share}/$f->{file}";
}
next if ( !-f "$Dir/$Backups[$j]{num}/$file" );
- if ( !link("$Dir/$Backups[$j]{num}/$file",
- "$Dir/$num/$shareM/$fileM") ) {
- my $str = \"Unable to link $num/$f->{share}/$f->{file} to"
- . " $Backups[$j]{num}/$f->{share}/$f->{file}\n";
- $XferLOG->write(\$str);
+
+ my($exists, $digest, $origSize, $outSize, $errs)
+ = BackupPC::PoolWrite::LinkOrCopy(
+ $bpc,
+ "$Dir/$Backups[$j]{num}/$file",
+ $Backups[$j]{compress},
+ "$Dir/$num/$shareM/$fileM",
+ $Conf{CompressLevel});
+ if ( !$exists ) {
+ #
+ # the hard link failed, most likely because the target
+ # file has too many links. We have copied the file
+ # instead, so add this to the new file list.
+ #
+ if ( !defined($newFilesFH) ) {
+ my $str = "Appending to NewFileList for $shareM/$fileM\n";
+ $XferLOG->write(\$str);
+ open($newFilesFH, ">>", "$TopDir/pc/$client/NewFileList")
+ || die("can't open $TopDir/pc/$client/NewFileList");
+ binmode($newFilesFH);
+ }
+ if ( -f "$Dir/$num/$shareM/$fileM" ) {
+ print($newFilesFH "$digest $origSize $shareM/$fileM\n");
+ } else {
+ my $str = "Unable to link/copy $num/$f->{share}/$f->{file}"
+ . " to $Backups[$j]{num}/$f->{share}/$f->{file}\n";
+ $XferLOG->write(\$str);
+ }
} else {
my $str = "Bad file $num/$f->{share}/$f->{file} replaced"
. " by link to"
$XferLOG->write(\$str);
}
}
+ close($newFilesFH) if ( defined($newFilesFH) );
$XferLOG->close();
rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.$num$fileExt");
rename("$Dir/NewFileList", "$Dir/NewFileList.$num");
my($client, $Backups, $idx) = @_;
my($Dir) = "$TopDir/pc/$client";
+ if ( $Backups->[$idx]{num} eq "" ) {
+ print("BackupRemove: ignoring empty backup number for idx $idx\n");
+ return;
+ }
+
$bpc->RmTreeDefer("$TopDir/trash",
"$Dir/$Backups->[$idx]{num}");
unlink("$Dir/SmbLOG.$Backups->[$idx]{num}")
#
sub UserCommandRun
{
- my($cmdType) = @_;
+ my($cmdType, $sharename) = @_;
return if ( !defined($Conf{$cmdType}) );
my $vars = {
type => $type,
cmdType => $cmdType,
};
+
+ if ($cmdType eq 'DumpPreShareCmd' || $cmdType eq 'DumpPostShareCmd') {
+ $vars->{share} = $sharename;
+ }
+
my $cmd = $bpc->cmdVarSubstitute($Conf{$cmdType}, $vars);
$XferLOG->write(\"Executing $cmdType: @$cmd\n");
#
projects / BackupPC.git / blobdiff