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dpavlin |
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#!/bin/perl |
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#============================================================= -*-perl-*- |
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# |
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# BackupPC_restore: Restore files to a client. |
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# |
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# DESCRIPTION |
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# |
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# Usage: BackupPC_restore <hostIP> <client> <reqFileName> |
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# |
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# AUTHOR |
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# Craig Barratt <cbarratt@users.sourceforge.net> |
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# |
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# COPYRIGHT |
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# Copyright (C) 2001-2003 Craig Barratt |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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#======================================================================== |
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# |
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# Version 2.1.0, released 20 Jun 2004. |
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# |
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# See http://backuppc.sourceforge.net. |
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# |
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#======================================================================== |
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use strict; |
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no utf8; |
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use lib "__INSTALLDIR__/lib"; |
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use BackupPC::Lib; |
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use BackupPC::FileZIO; |
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use BackupPC::Xfer::Smb; |
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use BackupPC::Xfer::Tar; |
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use BackupPC::Xfer::Rsync; |
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use Socket; |
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use File::Path; |
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use Getopt::Std; |
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use vars qw( %RestoreReq ); |
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########################################################################### |
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# Initialize |
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########################################################################### |
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die("BackupPC::Lib->new failed\n") if ( !(my $bpc = BackupPC::Lib->new) ); |
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my $TopDir = $bpc->TopDir(); |
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my $BinDir = $bpc->BinDir(); |
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my %Conf = $bpc->Conf(); |
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my $NeedPostCmd; |
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my($hostIP, $host, $client, $reqFileName, %stat); |
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$bpc->ChildInit(); |
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if ( @ARGV != 3 ) { |
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print("usage: $0 <hostIP> <client> <reqFileName>\n"); |
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exit(1); |
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} |
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$hostIP = $1 if ( $ARGV[0] =~ /(.+)/ ); |
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$client = $1 if ( $ARGV[1] =~ /(.+)/ ); |
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if ( $ARGV[2] !~ /^([\w.]+)$/ ) { |
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print("$0: bad reqFileName (arg #3): $ARGV[2]\n"); |
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exit(1); |
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} |
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$reqFileName = $1; |
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my $startTime = time(); |
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my $Hosts = $bpc->HostInfoRead($client); |
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my $Dir = "$TopDir/pc/$client"; |
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my @xferPid = (); |
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my $tarPid = -1; |
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# |
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# Catch various signals |
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# |
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$SIG{INT} = \&catch_signal; |
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$SIG{ALRM} = \&catch_signal; |
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$SIG{TERM} = \&catch_signal; |
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$SIG{PIPE} = \&catch_signal; |
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$SIG{STOP} = \&catch_signal; |
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$SIG{TSTP} = \&catch_signal; |
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$SIG{TTIN} = \&catch_signal; |
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my $Pid = $$; |
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mkpath($Dir, 0, 0777) if ( !-d $Dir ); |
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if ( !-f "$Dir/LOCK" ) { |
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open(LOCK, ">", "$Dir/LOCK") && close(LOCK); |
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} |
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open(LOG, ">>", "$Dir/LOG"); |
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select(LOG); $| = 1; select(STDOUT); |
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# |
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# Read the request file |
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# |
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if ( !(my $ret = do "$Dir/$reqFileName") ) { |
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my $err; |
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if ( $@ ) { |
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$err = "couldn't parse $Dir/$reqFileName: $@"; |
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} elsif ( !defined($ret) ) { |
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$err = "couldn't do $Dir/$reqFileName: $!"; |
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} else { |
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$err = "couldn't run $Dir/$reqFileName"; |
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} |
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$stat{hostError} = $err; |
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exit(RestoreCleanup($client)); |
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} |
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# |
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# Re-read config file, so we can include the PC-specific config |
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# |
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if ( defined(my $error = $bpc->ConfigRead($client)) ) { |
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$stat{hostError} = "Can't read PC's config file: $error"; |
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exit(RestoreCleanup($client)); |
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} |
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%Conf = $bpc->Conf(); |
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# |
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# Make sure we eventually timeout if there is no activity from |
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# the data transport program. |
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# |
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alarm($Conf{ClientTimeout}); |
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# |
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# See if the host name is aliased |
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# |
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if ( $Conf{ClientNameAlias} ne "" ) { |
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$host = $Conf{ClientNameAlias}; |
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} else { |
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$host = $client; |
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} |
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# |
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# Find its IP address |
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# |
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if ( $hostIP !~ /\d+\.\d+\.\d+\.\d+/ ) { |
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if ( !defined(gethostbyname($host)) ) { |
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# |
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# Ok, NS doesn't know about it. Maybe it is a NetBios name |
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# instead. |
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# |
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if ( !defined($hostIP = $bpc->NetBiosHostIPFind($host)) ) { |
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$stat{hostError} = "Can't find host $host"; |
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exit(RestoreCleanup($client)); |
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} |
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} else { |
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$hostIP = $host; |
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} |
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} |
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# |
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# Check if $host is alive |
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# |
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my $delay = $bpc->CheckHostAlive($hostIP); |
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if ( $delay < 0 ) { |
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$stat{hostError} = "no ping response from $host ($hostIP)"; |
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exit(RestoreCleanup($client)); |
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} elsif ( $delay > $Conf{PingMaxMsec} ) { |
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$stat{hostError} = sprintf("ping too slow: %.4gmsec (max is %gmsec)\n", |
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$delay, $Conf{PingMaxMsec}); |
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exit(RestoreCleanup($client)); |
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} |
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# |
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# Make sure it is really the machine we expect |
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# |
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if ( (my $errMsg = CorrectHostCheck($hostIP, $host)) ) { |
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$stat{hostError} = $errMsg; |
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exit(RestoreCleanup($client)); |
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} |
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# |
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# Setup file extension for compression and open RestoreLOG output file |
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# |
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$Conf{CompressLevel} = 0 if ( !BackupPC::FileZIO->compOk ); |
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my $fileExt = $Conf{CompressLevel} > 0 ? ".z" : ""; |
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my $RestoreLOG = BackupPC::FileZIO->open("$Dir/RestoreLOG$fileExt", 1, |
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$Conf{CompressLevel}); |
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my $tarCreateFileCnt = 0; |
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my $tarCreateByteCnt = 0; |
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my $tarCreateErrCnt = 1; # assume not ok until we learn otherwise |
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my $tarCreateErr; |
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my($logMsg, $xfer); |
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$stat{xferOK} = $stat{hostAbort} = undef; |
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$stat{hostError} = $stat{lastOutputLine} = undef; |
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local(*RH, *WH); |
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# |
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# Run an optional pre-restore command |
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# |
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UserCommandRun("RestorePreUserCmd"); |
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$NeedPostCmd = 1; |
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if ( $Conf{XferMethod} eq "tar" ) { |
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# |
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# Use tar (eg: tar/ssh) as the transport program. |
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# |
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$xfer = BackupPC::Xfer::Tar->new($bpc); |
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} elsif ( $Conf{XferMethod} eq "rsync" || $Conf{XferMethod} eq "rsyncd" ) { |
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# |
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# Use rsync as the transport program. |
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# |
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if ( !defined($xfer = BackupPC::Xfer::Rsync->new($bpc)) ) { |
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my $errStr = BackupPC::Xfer::Rsync->errStr; |
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UserCommandRun("RestorePostUserCmd") if ( $NeedPostCmd ); |
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$stat{hostError} = $errStr; |
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exit(RestoreCleanup($client)); |
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} |
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} else { |
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# |
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# Default is to use smbclient (smb) as the transport program. |
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# |
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$xfer = BackupPC::Xfer::Smb->new($bpc); |
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} |
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my $useTar = $xfer->useTar; |
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if ( $useTar ) { |
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# |
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# Create a socketpair to connect BackupPC_tarCreate to the transport |
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# program (smbclient, tar, etc). |
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# WH is the write handle for writing, provided to BackupPC_tarCreate |
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# and RH is the other end of the pipe for reading provided to the |
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# transport program. |
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# |
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if ( socketpair(RH, WH, AF_UNIX, SOCK_STREAM, PF_UNSPEC) ) { |
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shutdown(RH, 1); # no writing to this socket |
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shutdown(WH, 0); # no reading from this socket |
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setsockopt(RH, SOL_SOCKET, SO_RCVBUF, 8 * 65536); |
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setsockopt(WH, SOL_SOCKET, SO_SNDBUF, 8 * 65536); |
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} else { |
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# |
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# Default to pipe() if socketpair() doesn't work. |
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# |
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pipe(RH, WH); |
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} |
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} |
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# |
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# Run the transport program, which reads from RH and extracts the data. |
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# |
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my @Backups = $bpc->BackupInfoRead($RestoreReq{hostSrc}); |
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my $xferArgs = { |
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client => $client, |
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host => $host, |
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hostIP => $hostIP, |
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type => "restore", |
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shareName => $RestoreReq{shareDest}, |
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pipeRH => *RH, |
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pipeWH => *WH, |
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XferLOG => $RestoreLOG, |
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XferMethod => $Conf{XferMethod}, |
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logLevel => $Conf{XferLogLevel}, |
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bkupSrcHost => $RestoreReq{hostSrc}, |
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bkupSrcShare => $RestoreReq{shareSrc}, |
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bkupSrcNum => $RestoreReq{num}, |
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backups => \@Backups, |
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pathHdrSrc => $RestoreReq{pathHdrSrc}, |
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pathHdrDest => $RestoreReq{pathHdrDest}, |
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fileList => $RestoreReq{fileList}, |
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pidHandler => \&pidHandler, |
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}; |
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$xfer->args($xferArgs); |
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if ( !defined($logMsg = $xfer->start()) ) { |
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UserCommandRun("RestorePostUserCmd") if ( $NeedPostCmd ); |
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$stat{hostError} = "xfer start failed: ", $xfer->errStr; |
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exit(RestoreCleanup($client)); |
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} |
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if ( $useTar ) { |
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# |
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# Now do the restore by running BackupPC_tarCreate |
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# |
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# The parent must close the read handle since the transport program |
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# is using it. |
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# |
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close(RH); |
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# |
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# fork a child for BackupPC_tarCreate. TAR is a file handle |
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# on which we (the parent) read the stderr from BackupPC_tarCreate. |
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# |
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my @tarPathOpts; |
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if ( defined($RestoreReq{pathHdrDest}) |
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&& $RestoreReq{pathHdrDest} ne $RestoreReq{pathHdrSrc} ) { |
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@tarPathOpts = ("-r", $RestoreReq{pathHdrSrc}, |
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"-p", $RestoreReq{pathHdrDest} |
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); |
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} |
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my @tarArgs = ( |
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"-h", $RestoreReq{hostSrc}, |
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"-n", $RestoreReq{num}, |
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"-s", $RestoreReq{shareSrc}, |
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"-t", |
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@tarPathOpts, |
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@{$RestoreReq{fileList}}, |
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); |
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my $logMsg = "Running: " |
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. $bpc->execCmd2ShellCmd("$BinDir/BackupPC_tarCreate", @tarArgs) |
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. "\n"; |
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$RestoreLOG->write(\$logMsg); |
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if ( !defined($tarPid = open(TAR, "-|")) ) { |
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close(WH); |
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# FIX: need to cleanup xfer |
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UserCommandRun("RestorePostUserCmd") if ( $NeedPostCmd ); |
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$stat{hostError} = "Can't fork to run tar"; |
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exit(RestoreCleanup($client)); |
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} |
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binmode(TAR); |
| 326 |
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if ( !$tarPid ) { |
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# |
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# This is the tarCreate child. Clone STDERR to STDOUT, |
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# STDOUT to WH, and then exec BackupPC_tarCreate. |
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# |
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setpgrp 0,0; |
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close(STDERR); |
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open(STDERR, ">&STDOUT"); |
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close(STDOUT); |
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open(STDOUT, ">&WH"); |
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alarm(0); |
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exec("$BinDir/BackupPC_tarCreate", @tarArgs); |
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print(LOG $bpc->timeStamp, "can't exec $BinDir/BackupPC_tarCreate\n"); |
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# FIX: need to cleanup xfer |
| 340 |
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exit(0); |
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} |
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# |
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# The parent must close the write handle since BackupPC_tarCreate |
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# is using it. |
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# |
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close(WH); |
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@xferPid = $xfer->xferPid; |
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print(LOG $bpc->timeStamp, $logMsg, "\n"); |
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print("started_restore\n"); |
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pidHandler(@xferPid); |
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# |
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# Parse the output of the transfer program and BackupPC_tarCreate |
| 357 |
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# while they run. Since we are reading from two or more children |
| 358 |
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# we use a select. |
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# |
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my($FDread, $tarOut, $mesg); |
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vec($FDread, fileno(TAR), 1) = 1; |
| 362 |
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$xfer->setSelectMask(\$FDread); |
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SCAN: while ( 1 ) { |
| 365 |
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my $ein = $FDread; |
| 366 |
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last if ( $FDread =~ /^\0*$/ ); |
| 367 |
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alarm($Conf{ClientTimeout}); |
| 368 |
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|
select(my $rout = $FDread, undef, $ein, undef); |
| 369 |
|
|
if ( vec($rout, fileno(TAR), 1) ) { |
| 370 |
|
|
if ( sysread(TAR, $mesg, 8192) <= 0 ) { |
| 371 |
|
|
vec($FDread, fileno(TAR), 1) = 0; |
| 372 |
|
|
if ( !close(TAR) ) { |
| 373 |
|
|
$tarCreateErrCnt = 1; |
| 374 |
|
|
$tarCreateErr = "BackupPC_tarCreate failed"; |
| 375 |
|
|
} |
| 376 |
|
|
} else { |
| 377 |
|
|
$tarOut .= $mesg; |
| 378 |
|
|
} |
| 379 |
|
|
} |
| 380 |
|
|
while ( $tarOut =~ /(.*?)[\n\r]+(.*)/s ) { |
| 381 |
|
|
$_ = $1; |
| 382 |
|
|
$tarOut = $2; |
| 383 |
|
|
$RestoreLOG->write(\"tarCreate: $_\n"); |
| 384 |
|
|
if ( /^Done: (\d+) files, (\d+) bytes, (\d+) dirs, (\d+) specials, (\d+) errors/ ) { |
| 385 |
|
|
$tarCreateFileCnt = $1; |
| 386 |
|
|
$tarCreateByteCnt = $2; |
| 387 |
|
|
$tarCreateErrCnt = $5; |
| 388 |
|
|
} |
| 389 |
|
|
} |
| 390 |
|
|
last if ( !$xfer->readOutput(\$FDread, $rout) ); |
| 391 |
|
|
while ( my $str = $xfer->logMsgGet ) { |
| 392 |
|
|
print(LOG $bpc->timeStamp, "xfer: $str\n"); |
| 393 |
|
|
} |
| 394 |
|
|
if ( $xfer->getStats->{fileCnt} == 1 ) { |
| 395 |
|
|
# |
| 396 |
|
|
# Make sure it is still the machine we expect. We do this while |
| 397 |
|
|
# the transfer is running to avoid a potential race condition if |
| 398 |
|
|
# the ip address was reassigned by dhcp just before we started |
| 399 |
|
|
# the transfer. |
| 400 |
|
|
# |
| 401 |
|
|
if ( my $errMsg = CorrectHostCheck($hostIP, $host) ) { |
| 402 |
|
|
$stat{hostError} = $errMsg; |
| 403 |
|
|
last SCAN; |
| 404 |
|
|
} |
| 405 |
|
|
} |
| 406 |
|
|
} |
| 407 |
|
|
} else { |
| 408 |
|
|
# |
| 409 |
|
|
# otherwise the xfer module does everything for us |
| 410 |
|
|
# |
| 411 |
|
|
print(LOG $bpc->timeStamp, "Starting restore\n"); |
| 412 |
|
|
print("started_restore\n"); |
| 413 |
|
|
($tarCreateFileCnt, $tarCreateByteCnt, |
| 414 |
|
|
$tarCreateErrCnt, $tarCreateErr) = $xfer->run(); |
| 415 |
|
|
} |
| 416 |
|
|
alarm(0); |
| 417 |
|
|
|
| 418 |
|
|
# |
| 419 |
|
|
# Merge the xfer status (need to accumulate counts) |
| 420 |
|
|
# |
| 421 |
|
|
my $newStat = $xfer->getStats; |
| 422 |
|
|
foreach my $k ( (keys(%stat), keys(%$newStat)) ) { |
| 423 |
|
|
next if ( !defined($newStat->{$k}) ); |
| 424 |
|
|
if ( $k =~ /Cnt$/ ) { |
| 425 |
|
|
$stat{$k} += $newStat->{$k}; |
| 426 |
|
|
delete($newStat->{$k}); |
| 427 |
|
|
next; |
| 428 |
|
|
} |
| 429 |
|
|
if ( !defined($stat{$k}) ) { |
| 430 |
|
|
$stat{$k} = $newStat->{$k}; |
| 431 |
|
|
delete($newStat->{$k}); |
| 432 |
|
|
next; |
| 433 |
|
|
} |
| 434 |
|
|
} |
| 435 |
|
|
|
| 436 |
|
|
exit(RestoreCleanup($client)); |
| 437 |
|
|
|
| 438 |
|
|
########################################################################### |
| 439 |
|
|
# Subroutines |
| 440 |
|
|
########################################################################### |
| 441 |
|
|
|
| 442 |
|
|
sub CorrectHostCheck |
| 443 |
|
|
{ |
| 444 |
|
|
my($hostIP, $host) = @_; |
| 445 |
|
|
return if ( $hostIP eq $host && !$Conf{FixedIPNetBiosNameCheck} |
| 446 |
|
|
|| $Conf{NmbLookupCmd} eq "" ); |
| 447 |
|
|
my($netBiosHost, $netBiosUser) = $bpc->NetBiosInfoGet($hostIP); |
| 448 |
|
|
return "host $host has mismatching netbios name $netBiosHost" |
| 449 |
|
|
if ( $netBiosHost ne $host ); |
| 450 |
|
|
return; |
| 451 |
|
|
} |
| 452 |
|
|
|
| 453 |
|
|
sub catch_signal |
| 454 |
|
|
{ |
| 455 |
|
|
my $signame = shift; |
| 456 |
|
|
|
| 457 |
|
|
# |
| 458 |
|
|
# Children quit quietly on ALRM |
| 459 |
|
|
# |
| 460 |
|
|
exit(1) if ( $Pid != $$ && $signame eq "ALRM" ); |
| 461 |
|
|
|
| 462 |
|
|
# |
| 463 |
|
|
# Ignore signals in children |
| 464 |
|
|
# |
| 465 |
|
|
return if ( $Pid != $$ ); |
| 466 |
|
|
|
| 467 |
|
|
# |
| 468 |
|
|
# Note: needs to be tested for each kind of XferMethod |
| 469 |
|
|
# |
| 470 |
|
|
print(LOG $bpc->timeStamp, "cleaning up after signal $signame\n"); |
| 471 |
|
|
$SIG{$signame} = 'IGNORE'; |
| 472 |
|
|
$RestoreLOG->write(\"exiting after signal $signame\n"); |
| 473 |
|
|
$stat{xferOK} = 0; |
| 474 |
|
|
if ( $signame eq "INT" ) { |
| 475 |
|
|
$stat{hostError} = "aborted by user (signal=$signame)"; |
| 476 |
|
|
} else { |
| 477 |
|
|
$stat{hostError} = "aborted by signal=$signame"; |
| 478 |
|
|
} |
| 479 |
|
|
exit(RestoreCleanup($client)); |
| 480 |
|
|
} |
| 481 |
|
|
|
| 482 |
|
|
# |
| 483 |
|
|
# Cleanup and update the restore status |
| 484 |
|
|
# |
| 485 |
|
|
sub RestoreCleanup |
| 486 |
|
|
{ |
| 487 |
|
|
my($client) = @_; |
| 488 |
|
|
|
| 489 |
|
|
$stat{xferOK} = 0 if ( $stat{hostError} || $stat{hostAbort} |
| 490 |
|
|
|| $tarCreateErr ); |
| 491 |
|
|
|
| 492 |
|
|
if ( !$stat{xferOK} ) { |
| 493 |
|
|
# |
| 494 |
|
|
# kill off the tranfer program, first nicely then forcefully |
| 495 |
|
|
# |
| 496 |
|
|
if ( @xferPid ) { |
| 497 |
|
|
kill($bpc->sigName2num("INT"), @xferPid); |
| 498 |
|
|
sleep(1); |
| 499 |
|
|
kill($bpc->sigName2num("KILL"), @xferPid); |
| 500 |
|
|
} |
| 501 |
|
|
# |
| 502 |
|
|
# kill off the tar process, first nicely then forcefully |
| 503 |
|
|
# |
| 504 |
|
|
if ( $tarPid > 0 ) { |
| 505 |
|
|
kill($bpc->sigName2num("INT"), $tarPid); |
| 506 |
|
|
sleep(1); |
| 507 |
|
|
kill($bpc->sigName2num("KILL"), $tarPid); |
| 508 |
|
|
} |
| 509 |
|
|
} |
| 510 |
|
|
|
| 511 |
|
|
my $lastNum = -1; |
| 512 |
|
|
my @Restores; |
| 513 |
|
|
|
| 514 |
|
|
# |
| 515 |
|
|
# Do one last check to make sure it is still the machine we expect. |
| 516 |
|
|
# |
| 517 |
|
|
if ( $stat{xferOK} && (my $errMsg = CorrectHostCheck($hostIP, $host)) ) { |
| 518 |
|
|
$stat{hostError} = $errMsg; |
| 519 |
|
|
$stat{xferOK} = 0; |
| 520 |
|
|
} |
| 521 |
|
|
@Restores = $bpc->RestoreInfoRead($client); |
| 522 |
|
|
for ( my $i = 0 ; $i < @Restores ; $i++ ) { |
| 523 |
|
|
$lastNum = $Restores[$i]{num} if ( $lastNum < $Restores[$i]{num} ); |
| 524 |
|
|
} |
| 525 |
|
|
$lastNum++; |
| 526 |
|
|
|
| 527 |
|
|
# |
| 528 |
|
|
# Run an optional post-restore command |
| 529 |
|
|
# |
| 530 |
|
|
UserCommandRun("RestorePostUserCmd") if ( $NeedPostCmd ); |
| 531 |
|
|
|
| 532 |
|
|
rename("$Dir/RestoreLOG$fileExt", "$Dir/RestoreLOG.$lastNum$fileExt"); |
| 533 |
|
|
rename("$Dir/$reqFileName", "$Dir/RestoreInfo.$lastNum"); |
| 534 |
|
|
my $endTime = time(); |
| 535 |
|
|
|
| 536 |
|
|
# |
| 537 |
|
|
# If the restore failed, clean up |
| 538 |
|
|
# |
| 539 |
|
|
if ( !$stat{xferOK} ) { |
| 540 |
|
|
# |
| 541 |
|
|
# wait a short while and see if the system is still alive |
| 542 |
|
|
# |
| 543 |
|
|
$stat{hostError} ||= $tarCreateErr if ( $tarCreateErr ne "" ); |
| 544 |
|
|
$stat{hostError} = $stat{lastOutputLine} if ( $stat{hostError} eq "" ); |
| 545 |
|
|
sleep(2); |
| 546 |
|
|
if ( $bpc->CheckHostAlive($hostIP) < 0 ) { |
| 547 |
|
|
$stat{hostAbort} = 1; |
| 548 |
|
|
} |
| 549 |
|
|
if ( $stat{hostAbort} && $stat{hostError} eq "" ) { |
| 550 |
|
|
$stat{hostError} = "lost network connection during restore"; |
| 551 |
|
|
} |
| 552 |
|
|
$RestoreLOG->write(\"Restore failed: $stat{hostError}\n") |
| 553 |
|
|
if ( defined($RestoreLOG) ); |
| 554 |
|
|
} |
| 555 |
|
|
|
| 556 |
|
|
$RestoreLOG->close() if ( defined($RestoreLOG) ); |
| 557 |
|
|
|
| 558 |
|
|
# |
| 559 |
|
|
# Add the new restore information to the restore file |
| 560 |
|
|
# |
| 561 |
|
|
@Restores = $bpc->RestoreInfoRead($client); |
| 562 |
|
|
my $i = @Restores; |
| 563 |
|
|
$Restores[$i]{num} = $lastNum; |
| 564 |
|
|
$Restores[$i]{startTime} = $startTime; |
| 565 |
|
|
$Restores[$i]{endTime} = $endTime; |
| 566 |
|
|
$Restores[$i]{result} = $stat{xferOK} ? "ok" : "failed"; |
| 567 |
|
|
$Restores[$i]{errorMsg} = $stat{hostError}; |
| 568 |
|
|
$Restores[$i]{nFiles} = $tarCreateFileCnt; |
| 569 |
|
|
$Restores[$i]{size} = $tarCreateByteCnt; |
| 570 |
|
|
$Restores[$i]{tarCreateErrs} = $tarCreateErrCnt; |
| 571 |
|
|
$Restores[$i]{xferErrs} = $stat{xferErrCnt} || 0; |
| 572 |
|
|
|
| 573 |
|
|
while ( @Restores > $Conf{RestoreInfoKeepCnt} ) { |
| 574 |
|
|
my $num = $Restores[0]{num}; |
| 575 |
|
|
unlink("$Dir/RestoreLOG.$num.z"); |
| 576 |
|
|
unlink("$Dir/RestoreLOG.$num"); |
| 577 |
|
|
unlink("$Dir/RestoreInfo.$num"); |
| 578 |
|
|
shift(@Restores); |
| 579 |
|
|
} |
| 580 |
|
|
$bpc->RestoreInfoWrite($client, @Restores); |
| 581 |
|
|
|
| 582 |
|
|
if ( !$stat{xferOK} ) { |
| 583 |
|
|
print(LOG $bpc->timeStamp, "Restore failed ($stat{hostError})\n"); |
| 584 |
|
|
print("restore failed: $stat{hostError}\n"); |
| 585 |
|
|
return 1; |
| 586 |
|
|
} else { |
| 587 |
|
|
print("restore complete\n"); |
| 588 |
|
|
return; |
| 589 |
|
|
} |
| 590 |
|
|
} |
| 591 |
|
|
|
| 592 |
|
|
# |
| 593 |
|
|
# The Xfer method might tell us from time to time about processes |
| 594 |
|
|
# it forks. We tell BackupPC about this (for status displays) and |
| 595 |
|
|
# keep track of the pids in case we cancel the backup |
| 596 |
|
|
# |
| 597 |
|
|
sub pidHandler |
| 598 |
|
|
{ |
| 599 |
|
|
@xferPid = @_; |
| 600 |
|
|
@xferPid = grep(/./, @xferPid); |
| 601 |
|
|
return if ( !@xferPid && $tarPid < 0 ); |
| 602 |
|
|
my @pids = @xferPid; |
| 603 |
|
|
push(@pids, $tarPid) if ( $tarPid > 0 ); |
| 604 |
|
|
my $str = join(",", @pids); |
| 605 |
|
|
$RestoreLOG->write(\"Xfer PIDs are now $str\n") if ( defined($RestoreLOG) ); |
| 606 |
|
|
print("xferPids $str\n"); |
| 607 |
|
|
} |
| 608 |
|
|
|
| 609 |
|
|
# |
| 610 |
|
|
# Run an optional pre- or post-dump command |
| 611 |
|
|
# |
| 612 |
|
|
sub UserCommandRun |
| 613 |
|
|
{ |
| 614 |
|
|
my($cmdType) = @_; |
| 615 |
|
|
|
| 616 |
|
|
return if ( !defined($Conf{$cmdType}) ); |
| 617 |
|
|
my $vars = { |
| 618 |
|
|
xfer => $xfer, |
| 619 |
|
|
client => $client, |
| 620 |
|
|
host => $host, |
| 621 |
|
|
hostIP => $hostIP, |
| 622 |
|
|
share => $RestoreReq{shareDest}, |
| 623 |
|
|
XferMethod => $Conf{XferMethod}, |
| 624 |
|
|
sshPath => $Conf{SshPath}, |
| 625 |
|
|
LOG => *LOG, |
| 626 |
|
|
user => $Hosts->{$client}{user}, |
| 627 |
|
|
moreUsers => $Hosts->{$client}{moreUsers}, |
| 628 |
|
|
XferLOG => $RestoreLOG, |
| 629 |
|
|
stat => \%stat, |
| 630 |
|
|
xferOK => $stat{xferOK} || 0, |
| 631 |
|
|
hostError => $stat{hostError}, |
| 632 |
|
|
type => "restore", |
| 633 |
|
|
bkupSrcHost => $RestoreReq{hostSrc}, |
| 634 |
|
|
bkupSrcShare => $RestoreReq{shareSrc}, |
| 635 |
|
|
bkupSrcNum => $RestoreReq{num}, |
| 636 |
|
|
backups => \@Backups, |
| 637 |
|
|
pathHdrSrc => $RestoreReq{pathHdrSrc}, |
| 638 |
|
|
pathHdrDest => $RestoreReq{pathHdrDest}, |
| 639 |
|
|
fileList => $RestoreReq{fileList}, |
| 640 |
|
|
cmdType => $cmdType, |
| 641 |
|
|
}; |
| 642 |
|
|
my $cmd = $bpc->cmdVarSubstitute($Conf{$cmdType}, $vars); |
| 643 |
|
|
$RestoreLOG->write(\"Executing $cmdType: @$cmd\n"); |
| 644 |
|
|
# |
| 645 |
|
|
# Run the user's command, dumping the stdout/stderr into the |
| 646 |
|
|
# Xfer log file. Also supply the optional $vars and %Conf in |
| 647 |
|
|
# case the command is really perl code instead of a shell |
| 648 |
|
|
# command. |
| 649 |
|
|
# |
| 650 |
|
|
$bpc->cmdSystemOrEval($cmd, |
| 651 |
|
|
sub { |
| 652 |
|
|
$RestoreLOG->write(\$_[0]); |
| 653 |
|
|
}, |
| 654 |
|
|
$vars, \%Conf); |
| 655 |
|
|
} |
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