2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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# BACKUP MODULE
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####################################################################################################################################
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2014-06-08 00:29:11 +03:00
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package BackRest::Backup;
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2014-03-06 03:53:13 +03:00
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use threads;
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use strict;
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2015-03-03 07:57:20 +02:00
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use warnings FATAL => qw(all);
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use Carp qw(confess);
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2014-07-28 01:13:23 +03:00
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2015-06-14 00:25:49 +02:00
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use Exporter qw(import);
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use Fcntl 'SEEK_CUR';
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2014-03-06 03:53:13 +03:00
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use File::Basename;
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use File::Path qw(remove_tree);
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use Thread::Queue;
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use lib dirname($0);
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2015-08-29 20:20:46 +02:00
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use BackRest::Common::Exception;
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2015-10-08 17:43:56 +02:00
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use BackRest::Common::Exit;
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2015-08-29 20:20:46 +02:00
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use BackRest::Common::Ini;
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use BackRest::Common::Log;
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2015-06-14 00:25:49 +02:00
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use BackRest::Archive;
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use BackRest::BackupCommon;
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use BackRest::BackupFile;
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use BackRest::BackupInfo;
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2015-08-29 20:20:46 +02:00
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use BackRest::Common::String;
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2015-09-08 13:31:24 +02:00
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use BackRest::Config::Config;
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2014-06-22 17:30:17 +03:00
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use BackRest::Db;
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2015-06-14 00:25:49 +02:00
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use BackRest::File;
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use BackRest::Manifest;
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2014-03-06 03:53:13 +03:00
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2015-08-29 20:20:46 +02:00
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####################################################################################################################################
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# Operation constants
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####################################################################################################################################
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use constant OP_BACKUP => 'Backup';
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2014-03-06 03:53:13 +03:00
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2015-08-29 20:20:46 +02:00
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use constant OP_BACKUP_DESTROY => OP_BACKUP . '->DESTROY';
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use constant OP_BACKUP_FILE_NOT_IN_MANIFEST => OP_BACKUP . '->fileNotInManifest';
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use constant OP_BACKUP_NEW => OP_BACKUP . '->new';
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use constant OP_BACKUP_PROCESS => OP_BACKUP . '->process';
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use constant OP_BACKUP_PROCESS_MANIFEST => OP_BACKUP . '->processManifest';
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use constant OP_BACKUP_TMP_CLEAN => OP_BACKUP . '->tmpClean';
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use constant OP_BACKUP_TYPE_FIND => OP_BACKUP . '->typeFind';
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2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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# new
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2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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sub new
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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my $class = shift; # Class name
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# Create the class hash
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my $self = {};
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bless $self, $class;
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# Assign function parameters, defaults, and log debug info
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2015-10-08 17:43:56 +02:00
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my ($strOperation) = logDebugParam(OP_BACKUP_NEW);
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# Initialize default file object
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$self->{oFile} = new BackRest::File
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2015-08-29 20:20:46 +02:00
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(
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2015-10-08 17:43:56 +02:00
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optionGet(OPTION_STANZA),
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optionRemoteTypeTest(BACKUP) ? optionGet(OPTION_REPO_REMOTE_PATH) : optionGet(OPTION_REPO_PATH),
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optionRemoteType(),
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protocolGet()
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);
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2015-08-29 20:20:46 +02:00
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2015-10-08 17:43:56 +02:00
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# Initialize variables
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2015-08-29 20:20:46 +02:00
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$self->{oDb} = new BackRest::Db();
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'self', value => $self}
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);
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2014-03-06 03:53:13 +03:00
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}
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2015-01-31 03:16:21 +02:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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# DESTROY
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2015-01-31 03:16:21 +02:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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sub DESTROY
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2015-01-31 03:16:21 +02:00
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{
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2015-08-29 20:20:46 +02:00
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my $self = shift;
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# Assign function parameters, defaults, and log debug info
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my
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(
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$strOperation
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) =
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logDebugParam
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(
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OP_BACKUP_DESTROY
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);
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undef($self->{oFile});
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undef($self->{oDb});
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation
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);
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2015-01-31 03:16:21 +02:00
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}
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2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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# typeFind
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#
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# Find the last backup depending on the type.
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2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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sub typeFind
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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my $self = shift;
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# Assign function parameters, defaults, and log debug info
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my
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(
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$strOperation,
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$strType,
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$strBackupClusterPath
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) =
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logDebugParam
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(
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OP_BACKUP_TYPE_FIND, \@_,
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{name => 'strType'},
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{name => 'strBackupClusterPath'}
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);
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my $strLabel;
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2014-03-06 03:53:13 +03:00
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2014-10-14 15:27:50 +03:00
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if ($strType eq BACKUP_TYPE_INCR)
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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$strLabel = ($self->{oFile}->list(PATH_BACKUP_CLUSTER, undef, backupRegExpGet(true, true, true), 'reverse'))[0];
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2014-03-06 03:53:13 +03:00
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}
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2015-08-29 20:20:46 +02:00
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if (!defined($strLabel) && $strType ne BACKUP_TYPE_FULL)
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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$strLabel = ($self->{oFile}->list(PATH_BACKUP_CLUSTER, undef, backupRegExpGet(true), 'reverse'))[0];
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2014-03-06 03:53:13 +03:00
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}
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2014-06-04 05:02:56 +03:00
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2015-08-29 20:20:46 +02:00
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'strLabel', value => $strLabel}
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);
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2014-03-06 03:53:13 +03:00
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}
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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# fileNotInManifest
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#
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# Find all files in a backup path that are not in the supplied manifest.
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2014-03-06 03:53:13 +03:00
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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sub fileNotInManifest
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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my $self = shift;
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# Assign function parameters, defaults, and log debug info
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my
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(
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$strOperation,
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$strPathType,
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$oManifest,
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$oAbortedManifest
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) =
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logDebugParam
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(
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OP_BACKUP_FILE_NOT_IN_MANIFEST, \@_,
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{name => 'strPathType', trace => true},
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{name => 'oManifest', trace => true},
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{name => 'oAbortedManifest', trace => true}
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);
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# Build manifest for aborted temp path
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2014-09-14 22:31:56 +03:00
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my %oFileHash;
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2015-08-29 20:20:46 +02:00
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$self->{oFile}->manifest($strPathType, undef, \%oFileHash);
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# Get compress flag
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my $bCompressed = $oAbortedManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS);
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2014-09-14 22:31:56 +03:00
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2014-03-06 03:53:13 +03:00
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my @stryFile;
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2015-06-21 18:06:13 +02:00
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foreach my $strName (sort(keys(%{$oFileHash{name}})))
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2014-03-06 03:53:13 +03:00
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{
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# Ignore certain files that will never be in the manifest
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2015-06-14 00:25:49 +02:00
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if ($strName eq FILE_MANIFEST ||
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2014-09-16 15:55:40 +03:00
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$strName eq '.')
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2014-03-06 03:53:13 +03:00
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{
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next;
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}
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2015-09-23 03:07:49 +02:00
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# We'll always keep the base path
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2015-06-14 00:25:49 +02:00
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if ($strName eq MANIFEST_KEY_BASE)
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2014-03-06 03:53:13 +03:00
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{
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2015-09-23 03:07:49 +02:00
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next;
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2014-03-06 03:53:13 +03:00
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}
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2015-09-23 03:07:49 +02:00
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# Keep the tablespace path if some tablespaces exist in the new manfest
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2015-06-14 00:25:49 +02:00
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elsif ($strName eq MANIFEST_TABLESPACE)
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{
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my $bFound = false;
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foreach my $strPath ($oManifest->keys(MANIFEST_SECTION_BACKUP_PATH))
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{
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if ($strPath =~ /^$strName\//)
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{
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$bFound = true;
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last;
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}
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}
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next if $bFound;
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}
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2015-09-23 03:07:49 +02:00
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# If there is a / in the name then check further, otherwise it's a temp file or some other garbage and should be deleted
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elsif (index($strName, '/') != -1)
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2014-03-06 03:53:13 +03:00
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{
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2015-06-14 00:25:49 +02:00
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my $strBasePath = (split('/', $strName))[0];
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2014-03-06 03:53:13 +03:00
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my $strPath = substr($strName, length($strBasePath) + 1);
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# Create the section from the base path
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my $strSection = $strBasePath;
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2015-09-23 03:07:49 +02:00
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# Test to see if a tablespace exists in the new manifest
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2014-09-16 15:55:40 +03:00
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if ($strSection eq 'tablespace')
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2014-03-06 03:53:13 +03:00
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{
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2014-09-16 15:55:40 +03:00
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my $strTablespace = (split('/', $strPath))[0];
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2014-03-06 03:53:13 +03:00
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2015-06-14 00:25:49 +02:00
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$strSection = $strSection . '/' . $strTablespace;
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2014-03-06 03:53:13 +03:00
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if ($strTablespace eq $strPath)
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{
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2015-01-22 01:37:49 +02:00
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if ($oManifest->test("${strSection}:path"))
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2014-03-06 03:53:13 +03:00
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{
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next;
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}
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}
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$strPath = substr($strPath, length($strTablespace) + 1);
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}
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2015-09-23 03:07:49 +02:00
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# Get the file type (all links will be deleted since they are easy to recreate)
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2014-03-06 03:53:13 +03:00
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my $cType = $oFileHash{name}{"${strName}"}{type};
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2015-09-23 03:07:49 +02:00
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# If a directory check if it exists in the new manifest
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2014-09-16 15:55:40 +03:00
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if ($cType eq 'd')
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2014-03-06 03:53:13 +03:00
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{
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2015-01-22 01:37:49 +02:00
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if ($oManifest->test("${strSection}:path", "${strPath}"))
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2014-03-06 03:53:13 +03:00
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{
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next;
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}
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}
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2015-08-29 20:20:46 +02:00
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# Else if a file
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2015-05-07 02:24:34 +02:00
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elsif ($cType eq 'f')
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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# If the original backup was compressed the remove the extension before checking the manifest
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if ($bCompressed)
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{
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$strPath = substr($strPath, 0, length($strPath) - 3);
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}
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# To be preserved the file must exist in the new manifest and not be a reference to a previous backup
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if ($oManifest->test("${strSection}:file", $strPath) &&
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2015-05-07 02:24:34 +02:00
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!$oManifest->test("${strSection}:file", $strPath, MANIFEST_SUBKEY_REFERENCE))
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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# To be preserved the checksum must be defined
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2015-05-07 02:24:34 +02:00
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my $strChecksum = $oAbortedManifest->get("${strSection}:file", $strPath, MANIFEST_SUBKEY_CHECKSUM, false);
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2015-08-29 20:20:46 +02:00
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# The timestamp should also match and the size if the file is not compressed. If the file is compressed it's
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# not worth extracting the size - it will be hashed later to verify its authenticity.
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2015-05-07 02:24:34 +02:00
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if (defined($strChecksum) &&
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2015-08-29 20:20:46 +02:00
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($bCompressed || ($oManifest->numericGet("${strSection}:file", $strPath, MANIFEST_SUBKEY_SIZE) ==
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$oFileHash{name}{$strName}{size})) &&
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$oManifest->numericGet("${strSection}:file", $strPath, MANIFEST_SUBKEY_TIMESTAMP) ==
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2015-05-07 02:24:34 +02:00
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$oFileHash{name}{$strName}{modification_time})
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2014-03-06 03:53:13 +03:00
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{
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2015-05-07 02:24:34 +02:00
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$oManifest->set("${strSection}:file", $strPath, MANIFEST_SUBKEY_CHECKSUM, $strChecksum);
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2014-03-06 03:53:13 +03:00
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next;
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}
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}
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}
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}
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2015-09-23 03:07:49 +02:00
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# Push the file/path/link to be deleted into the result array
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2015-05-07 02:24:34 +02:00
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push @stryFile, $strName;
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2014-03-06 03:53:13 +03:00
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}
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2015-08-29 20:20:46 +02:00
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'stryFile', value => \@stryFile}
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);
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2014-03-06 03:53:13 +03:00
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}
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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# tmpClean
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2014-06-04 18:58:30 +03:00
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#
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2014-03-06 03:53:13 +03:00
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# Cleans the temp directory from a previous failed backup so it can be reused
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####################################################################################################################################
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2015-08-29 20:20:46 +02:00
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sub tmpClean
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2014-03-06 03:53:13 +03:00
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{
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2015-08-29 20:20:46 +02:00
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my $self = shift;
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|
|
|
|
# Assign function parameters, defaults, and log debug info
|
|
|
|
my
|
|
|
|
(
|
|
|
|
$strOperation,
|
|
|
|
$oManifest,
|
|
|
|
$oAbortedManifest
|
|
|
|
) =
|
|
|
|
logDebugParam
|
|
|
|
(
|
|
|
|
OP_BACKUP_TMP_CLEAN, \@_,
|
|
|
|
{name => 'oManifest', trace => true},
|
|
|
|
{name => 'oAbortedManifest', trace => true}
|
|
|
|
);
|
|
|
|
|
|
|
|
&log(INFO, 'clean backup temp path: ' . $self->{oFile}->pathGet(PATH_BACKUP_TMP));
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
# Remove the pg_xlog directory since it contains nothing useful for the new backup
|
2015-08-29 20:20:46 +02:00
|
|
|
if (-e $self->{oFile}->pathGet(PATH_BACKUP_TMP, 'base/pg_xlog'))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2016-01-19 14:39:29 +02:00
|
|
|
remove_tree($self->{oFile}->pathGet(PATH_BACKUP_TMP, 'base/pg_xlog'))
|
|
|
|
or confess &log(ERROR, 'unable to delete tmp pg_xlog path');
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
# Remove the pg_tblspc directory since it is trivial to rebuild, but hard to compare
|
2015-08-29 20:20:46 +02:00
|
|
|
if (-e $self->{oFile}->pathGet(PATH_BACKUP_TMP, 'base/pg_tblspc'))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2016-01-19 14:39:29 +02:00
|
|
|
remove_tree($self->{oFile}->pathGet(PATH_BACKUP_TMP, 'base/pg_tblspc'))
|
|
|
|
or confess &log(ERROR, 'unable to delete tmp pg_tblspc path');
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
# Get the list of files that should be deleted from temp
|
2015-08-29 20:20:46 +02:00
|
|
|
my @stryFile = $self->fileNotInManifest(PATH_BACKUP_TMP, $oManifest, $oAbortedManifest);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
foreach my $strFile (sort {$b cmp $a} @stryFile)
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strDelete = $self->{oFile}->pathGet(PATH_BACKUP_TMP, $strFile);
|
2014-06-04 18:58:30 +03:00
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# If a path then delete it, all the files should have already been deleted since we are going in reverse order
|
|
|
|
if (-d $strDelete)
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "remove path ${strDelete}");
|
|
|
|
|
|
|
|
rmdir($strDelete)
|
|
|
|
or confess &log(ERROR, "unable to delete path ${strDelete}, is it empty?", ERROR_PATH_REMOVE);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
# Else delete a file
|
|
|
|
else
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "remove file ${strDelete}");
|
|
|
|
|
|
|
|
unlink($strDelete)
|
|
|
|
or confess &log(ERROR, "unable to delete file ${strDelete}", ERROR_FILE_REMOVE);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
|
|
|
|
# Return from function and log return values if any
|
|
|
|
return logDebugReturn
|
|
|
|
(
|
|
|
|
$strOperation
|
|
|
|
);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
####################################################################################################################################
|
2015-08-29 20:20:46 +02:00
|
|
|
# processManifest
|
2014-03-06 03:53:13 +03:00
|
|
|
#
|
2015-08-29 20:20:46 +02:00
|
|
|
# Process the file level backup. Uses the information in the manifest to determine which files need to be copied. Directories
|
|
|
|
# and tablespace links are only created when needed, except in the case of a full backup or if hardlinks are requested.
|
2014-03-06 03:53:13 +03:00
|
|
|
####################################################################################################################################
|
2015-08-29 20:20:46 +02:00
|
|
|
sub processManifest
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
my $self = shift;
|
|
|
|
|
|
|
|
# Assign function parameters, defaults, and log debug info
|
|
|
|
my
|
|
|
|
(
|
|
|
|
$strOperation,
|
|
|
|
$strType,
|
|
|
|
$bCompress,
|
|
|
|
$bHardLink,
|
|
|
|
$oBackupManifest # Manifest for the current backup
|
|
|
|
) =
|
|
|
|
logDebugParam
|
|
|
|
(
|
|
|
|
OP_BACKUP_PROCESS_MANIFEST, \@_,
|
|
|
|
{name => 'strType'},
|
|
|
|
{name => 'bCompress'},
|
|
|
|
{name => 'bHardLink'},
|
|
|
|
{name => 'oBackupManifest'},
|
|
|
|
);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
# Variables used for parallel copy
|
2015-04-07 13:34:37 +02:00
|
|
|
my %oFileCopyMap;
|
2014-03-06 03:53:13 +03:00
|
|
|
my $lFileTotal = 0;
|
2015-04-07 13:34:37 +02:00
|
|
|
my $lSizeTotal = 0;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-05-07 02:24:34 +02:00
|
|
|
# Determine whether all paths and links will be created
|
|
|
|
my $bFullCreate = $bHardLink || $strType eq BACKUP_TYPE_FULL;
|
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# Iterate through the path sections of the manifest to backup
|
2015-04-07 13:34:37 +02:00
|
|
|
foreach my $strPathKey ($oBackupManifest->keys(MANIFEST_SECTION_BACKUP_PATH))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
|
|
|
# Determine the source and destination backup paths
|
|
|
|
my $strBackupSourcePath; # Absolute path to the database base directory or tablespace to backup
|
|
|
|
my $strBackupDestinationPath; # Relative path to the backup directory where the data will be stored
|
|
|
|
|
2015-06-14 00:25:49 +02:00
|
|
|
$strBackupSourcePath = $oBackupManifest->get(MANIFEST_SECTION_BACKUP_PATH, $strPathKey, MANIFEST_SUBKEY_PATH);
|
|
|
|
$strBackupDestinationPath = $strPathKey;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-06-14 00:25:49 +02:00
|
|
|
# Create links for tablespaces
|
2016-02-02 21:33:15 +02:00
|
|
|
if ($oBackupManifest->test(MANIFEST_SECTION_BACKUP_PATH, $strPathKey, MANIFEST_SUBKEY_LINK))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2016-02-02 21:33:15 +02:00
|
|
|
if ($bFullCreate)
|
|
|
|
{
|
|
|
|
$self->{oFile}->linkCreate(PATH_BACKUP_TMP, $strBackupDestinationPath,
|
|
|
|
PATH_BACKUP_TMP,
|
|
|
|
'base/pg_tblspc/' . $oBackupManifest->get(MANIFEST_SECTION_BACKUP_PATH,
|
|
|
|
$strPathKey, MANIFEST_SUBKEY_LINK),
|
|
|
|
false, true, true);
|
|
|
|
}
|
|
|
|
|
|
|
|
if ($oBackupManifest->numericGet(MANIFEST_SECTION_BACKUP_DB, MANIFEST_KEY_DB_VERSION) >= 9.0)
|
|
|
|
{
|
|
|
|
$strBackupSourcePath .= '/' . $oBackupManifest->tablespacePathGet();
|
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
2015-05-07 02:24:34 +02:00
|
|
|
# If this is a full backup or hard-linked then create all paths and links
|
|
|
|
if ($bFullCreate)
|
|
|
|
{
|
|
|
|
# Create paths
|
|
|
|
my $strSectionPath = "$strPathKey:path";
|
|
|
|
|
|
|
|
if ($oBackupManifest->test($strSectionPath))
|
|
|
|
{
|
|
|
|
foreach my $strPath ($oBackupManifest->keys($strSectionPath))
|
|
|
|
{
|
|
|
|
if ($strPath ne '.')
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->pathCreate(PATH_BACKUP_TMP, "${strBackupDestinationPath}/${strPath}");
|
2015-05-07 02:24:34 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
# Create links
|
2015-11-20 17:55:28 +02:00
|
|
|
#
|
|
|
|
# Non-tablespace links are no longer created in backup directories because they are potentially dangerous.
|
|
|
|
# This feature may be brought back at a later date but more likely that it will be rethought completely.
|
|
|
|
#
|
|
|
|
# my $strSectionLink = "$strPathKey:link";
|
|
|
|
#
|
|
|
|
# if ($oBackupManifest->test($strSectionLink))
|
|
|
|
# {
|
|
|
|
# foreach my $strLink ($oBackupManifest->keys($strSectionLink))
|
|
|
|
# {
|
|
|
|
# # Create links except in pg_tblspc because they have already been created
|
|
|
|
# if (!($strPathKey eq 'base' && $strLink =~ /^pg_tblspc\/.*/))
|
|
|
|
# {
|
|
|
|
# $self->{oFile}->linkCreate(PATH_BACKUP_ABSOLUTE,
|
|
|
|
# $oBackupManifest->get($strSectionLink, $strLink, MANIFEST_SUBKEY_DESTINATION),
|
|
|
|
# PATH_BACKUP_TMP, "${strBackupDestinationPath}/${strLink}",
|
|
|
|
# false, false, false);
|
|
|
|
# }
|
|
|
|
# }
|
|
|
|
# }
|
2015-05-07 02:24:34 +02:00
|
|
|
}
|
|
|
|
|
2015-04-07 13:34:37 +02:00
|
|
|
# Possible for the file section to exist with no files (i.e. empty tablespace)
|
2015-05-07 02:24:34 +02:00
|
|
|
my $strSectionFile = "$strPathKey:file";
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
# Iterate through the files for each backup source path
|
2015-01-21 17:44:08 +02:00
|
|
|
foreach my $strFile ($oBackupManifest->keys($strSectionFile))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
|
|
|
my $strBackupSourceFile = "${strBackupSourcePath}/${strFile}";
|
2014-06-04 18:58:30 +03:00
|
|
|
|
2015-05-07 02:24:34 +02:00
|
|
|
# If the file has a reference it does not need to be copied since it can be retrieved from the referenced backup.
|
|
|
|
# However, if hard-linking is turned on the link will need to be created
|
|
|
|
my $bProcess = true;
|
|
|
|
my $strReference = $oBackupManifest->get($strSectionFile, $strFile, MANIFEST_SUBKEY_REFERENCE, false);
|
2014-10-15 04:44:42 +03:00
|
|
|
|
2015-05-07 02:24:34 +02:00
|
|
|
if (defined($strReference))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-05-07 02:24:34 +02:00
|
|
|
# If hardlinking is turned on then create a hardlink for files that have not changed since the last backup
|
|
|
|
if ($bHardLink)
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "hardlink ${strBackupSourceFile} to ${strReference}");
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->linkCreate(PATH_BACKUP_CLUSTER, "${strReference}/${strBackupDestinationPath}/${strFile}",
|
2015-05-07 02:24:34 +02:00
|
|
|
PATH_BACKUP_TMP, "${strBackupDestinationPath}/${strFile}", true, false, true);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
2015-06-14 00:25:49 +02:00
|
|
|
else
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "reference ${strBackupSourceFile} to ${strReference}");
|
2015-06-14 00:25:49 +02:00
|
|
|
}
|
2015-05-07 02:24:34 +02:00
|
|
|
|
|
|
|
$bProcess = false;
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
2014-10-15 04:44:42 +03:00
|
|
|
|
|
|
|
if ($bProcess)
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
my $lFileSize = $oBackupManifest->numericGet($strSectionFile, $strFile, MANIFEST_SUBKEY_SIZE);
|
2014-10-15 04:44:42 +03:00
|
|
|
|
|
|
|
# Setup variables needed for threaded copy
|
|
|
|
$lFileTotal++;
|
2015-04-07 13:34:37 +02:00
|
|
|
$lSizeTotal += $lFileSize;
|
|
|
|
|
2015-06-14 15:36:58 +02:00
|
|
|
my $strFileKey = sprintf("%016d-${strFile}", $lFileSize);
|
|
|
|
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{db_file} = $strBackupSourceFile;
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{file_section} = $strSectionFile;
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{file} = ${strFile};
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{backup_file} = "${strBackupDestinationPath}/${strFile}";
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{size} = $lFileSize;
|
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{modification_time} =
|
2015-08-29 20:20:46 +02:00
|
|
|
$oBackupManifest->numericGet($strSectionFile, $strFile, MANIFEST_SUBKEY_TIMESTAMP, false);
|
2015-06-14 15:36:58 +02:00
|
|
|
$oFileCopyMap{$strPathKey}{$strFileKey}{checksum} =
|
2015-01-21 17:44:08 +02:00
|
|
|
$oBackupManifest->get($strSectionFile, $strFile, MANIFEST_SUBKEY_CHECKSUM, false);
|
2014-10-15 04:44:42 +03:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-04-07 13:34:37 +02:00
|
|
|
# If there are no files to backup then we'll exit with a warning unless in test mode. The other way this could happen is if
|
|
|
|
# the database is down and backup is called with --no-start-stop twice in a row.
|
|
|
|
if ($lFileTotal == 0)
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-04-07 13:34:37 +02:00
|
|
|
if (!optionGet(OPTION_TEST))
|
|
|
|
{
|
2015-05-07 02:24:34 +02:00
|
|
|
confess &log(ERROR, "no files have changed since the last backup - this seems unlikely");
|
2015-04-07 13:34:37 +02:00
|
|
|
}
|
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
# Create backup and result queues
|
|
|
|
my $oResultQueue = Thread::Queue->new();
|
|
|
|
my @oyBackupQueue;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Variables used for local copy
|
|
|
|
my $lSizeCurrent = 0; # Running total of bytes copied
|
|
|
|
my $bCopied; # Was the file copied?
|
|
|
|
my $lCopySize; # Size reported by copy
|
|
|
|
my $strCopyChecksum; # Checksum reported by copy
|
2015-05-07 02:24:34 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Determine how often the manifest will be saved
|
|
|
|
my $lManifestSaveCurrent = 0;
|
|
|
|
my $lManifestSaveSize = int($lSizeTotal / 100);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($lManifestSaveSize < optionGet(OPTION_MANIFEST_SAVE_THRESHOLD))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$lManifestSaveSize = optionGet(OPTION_MANIFEST_SAVE_THRESHOLD);
|
2015-04-07 13:34:37 +02:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-12-24 17:32:25 +02:00
|
|
|
# Start backup test point
|
|
|
|
&log(TEST, TEST_BACKUP_START);
|
2015-10-08 17:43:56 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Iterate all backup files
|
2015-10-08 17:43:56 +02:00
|
|
|
foreach my $strPathKey (sort(keys(%oFileCopyMap)))
|
2015-04-07 13:34:37 +02:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
if (optionGet(OPTION_THREAD_MAX) > 1)
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$oyBackupQueue[@oyBackupQueue] = Thread::Queue->new();
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
|
|
|
|
foreach my $strFileKey (sort {$b cmp $a} (keys(%{$oFileCopyMap{$strPathKey}})))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
my $oFileCopy = $oFileCopyMap{$strPathKey}{$strFileKey};
|
|
|
|
|
|
|
|
if (optionGet(OPTION_THREAD_MAX) > 1)
|
|
|
|
{
|
|
|
|
$oyBackupQueue[@oyBackupQueue - 1]->enqueue($oFileCopy);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
# Backup the file
|
|
|
|
($bCopied, $lSizeCurrent, $lCopySize, $strCopyChecksum) =
|
|
|
|
backupFile($self->{oFile}, $$oFileCopy{db_file}, $$oFileCopy{backup_file}, $bCompress,
|
|
|
|
$$oFileCopy{checksum}, $$oFileCopy{modification_time},
|
|
|
|
$$oFileCopy{size}, $lSizeTotal, $lSizeCurrent);
|
|
|
|
|
|
|
|
$lManifestSaveCurrent = backupManifestUpdate($oBackupManifest, $$oFileCopy{file_section}, $$oFileCopy{file},
|
|
|
|
$bCopied, $lCopySize, $strCopyChecksum, $lManifestSaveSize,
|
|
|
|
$lManifestSaveCurrent);
|
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# If multi-threaded then create threads to copy files
|
|
|
|
if (optionGet(OPTION_THREAD_MAX) > 1)
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-09-08 13:31:24 +02:00
|
|
|
# Load module dynamically
|
|
|
|
require BackRest::Protocol::ThreadGroup;
|
|
|
|
BackRest::Protocol::ThreadGroup->import();
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
for (my $iThreadIdx = 0; $iThreadIdx < optionGet(OPTION_THREAD_MAX); $iThreadIdx++)
|
|
|
|
{
|
|
|
|
my %oParam;
|
2015-04-07 13:34:37 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
$oParam{compress} = $bCompress;
|
|
|
|
$oParam{size_total} = $lSizeTotal;
|
|
|
|
$oParam{queue} = \@oyBackupQueue;
|
|
|
|
$oParam{result_queue} = $oResultQueue;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-12-24 17:32:25 +02:00
|
|
|
# Keep the protocol layer from timing out
|
|
|
|
protocolGet()->keepAlive();
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
threadGroupRun($iThreadIdx, 'backup', \%oParam);
|
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-12-24 17:32:25 +02:00
|
|
|
# Keep the protocol layer from timing out
|
|
|
|
protocolGet()->keepAlive();
|
|
|
|
|
2015-10-08 17:43:56 +02:00
|
|
|
# Start backup test point
|
|
|
|
&log(TEST, TEST_BACKUP_START);
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Complete thread queues
|
|
|
|
my $bDone = false;
|
2015-05-07 02:24:34 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
do
|
2015-05-07 02:24:34 +02:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$bDone = threadGroupComplete();
|
|
|
|
|
|
|
|
# Read the messages that are passed back from the backup threads
|
|
|
|
while (my $oMessage = $oResultQueue->dequeue_nb())
|
|
|
|
{
|
|
|
|
&log(TRACE, "message received in master queue: section = $$oMessage{file_section}, file = $$oMessage{file}" .
|
|
|
|
", copied = $$oMessage{copied}");
|
2014-05-13 18:23:15 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
$lManifestSaveCurrent = backupManifestUpdate($oBackupManifest, $$oMessage{file_section}, $$oMessage{file},
|
|
|
|
$$oMessage{copied}, $$oMessage{size}, $$oMessage{checksum},
|
|
|
|
$lManifestSaveSize, $lManifestSaveCurrent);
|
|
|
|
}
|
2015-12-24 17:32:25 +02:00
|
|
|
|
|
|
|
# Keep the protocol layer from timing out
|
|
|
|
protocolGet()->keepAlive();
|
2015-05-07 02:24:34 +02:00
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
while (!$bDone);
|
2014-10-15 04:44:42 +03:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
2015-05-07 02:24:34 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Return from function and log return values if any
|
|
|
|
return logDebugReturn
|
|
|
|
(
|
|
|
|
$strOperation,
|
|
|
|
{name => 'lSizeTotal', value => $lSizeTotal}
|
|
|
|
);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
####################################################################################################################################
|
2015-08-29 20:20:46 +02:00
|
|
|
# process
|
2014-06-04 18:58:30 +03:00
|
|
|
#
|
2015-08-29 20:20:46 +02:00
|
|
|
# Process the database backup.
|
2014-03-06 03:53:13 +03:00
|
|
|
####################################################################################################################################
|
2015-08-29 20:20:46 +02:00
|
|
|
sub process
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
my $self = shift;
|
|
|
|
|
|
|
|
# Assign function parameters, defaults, and log debug info
|
|
|
|
my
|
|
|
|
(
|
|
|
|
$strOperation
|
|
|
|
) =
|
|
|
|
logDebugParam
|
|
|
|
(
|
|
|
|
OP_BACKUP_PROCESS
|
|
|
|
);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-06-14 00:25:49 +02:00
|
|
|
# Record timestamp start
|
|
|
|
my $lTimestampStart = time();
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Store local type, compress, and hardlink options since they can be modified by the process
|
|
|
|
my $strType = optionGet(OPTION_TYPE);
|
|
|
|
my $bCompress = optionGet(OPTION_COMPRESS);
|
|
|
|
my $bHardLink = optionGet(OPTION_HARDLINK);
|
2015-05-26 18:26:59 +02:00
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# Not supporting remote backup hosts yet
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($self->{oFile}->isRemote(PATH_BACKUP))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2014-09-16 15:55:40 +03:00
|
|
|
confess &log(ERROR, 'remote backup host not currently supported');
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
# Create the cluster backup path
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->pathCreate(PATH_BACKUP_CLUSTER, undef, undef, true);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-06-14 00:25:49 +02:00
|
|
|
# Load or build backup.info
|
2015-08-29 20:20:46 +02:00
|
|
|
my $oBackupInfo = new BackRest::BackupInfo($self->{oFile}->pathGet(PATH_BACKUP_CLUSTER));
|
2015-06-14 00:25:49 +02:00
|
|
|
|
2015-01-20 21:42:22 +02:00
|
|
|
# Build backup tmp and config
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strBackupTmpPath = $self->{oFile}->pathGet(PATH_BACKUP_TMP);
|
|
|
|
my $strBackupConfFile = $self->{oFile}->pathGet(PATH_BACKUP_TMP, 'backup.manifest');
|
2015-01-20 21:42:22 +02:00
|
|
|
|
2014-09-18 23:42:13 +03:00
|
|
|
# Declare the backup manifest
|
2015-01-20 21:42:22 +02:00
|
|
|
my $oBackupManifest = new BackRest::Manifest($strBackupConfFile, false);
|
2014-09-18 23:42:13 +03:00
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# Find the previous backup based on the type
|
2015-02-03 01:33:11 +02:00
|
|
|
my $oLastManifest = undef;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strBackupLastPath = $self->typeFind($strType, $self->{oFile}->pathGet(PATH_BACKUP_CLUSTER));
|
2014-10-14 15:27:50 +03:00
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
if (defined($strBackupLastPath))
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$oLastManifest = new BackRest::Manifest($self->{oFile}->pathGet(PATH_BACKUP_CLUSTER) . "/${strBackupLastPath}/backup.manifest");
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-05-05 19:08:48 +02:00
|
|
|
&log(INFO, 'last backup label = ' . $oLastManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_LABEL) .
|
2015-06-14 00:25:49 +02:00
|
|
|
', version = ' . $oLastManifest->get(INI_SECTION_BACKREST, INI_KEY_VERSION));
|
2015-08-29 20:20:46 +02:00
|
|
|
|
|
|
|
# If this is incr or diff warn if certain options have changed
|
|
|
|
if ($strType ne BACKUP_TYPE_FULL)
|
|
|
|
{
|
|
|
|
my $strKey;
|
|
|
|
|
|
|
|
# Warn if compress option changed
|
|
|
|
if (!$oLastManifest->boolTest(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS, undef, $bCompress))
|
|
|
|
{
|
|
|
|
&log(WARN, "${strType} backup cannot alter compress option to '" . boolFormat($bCompress) .
|
|
|
|
"', reset to value in ${strBackupLastPath}");
|
|
|
|
$bCompress = $oLastManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS);
|
|
|
|
}
|
|
|
|
|
|
|
|
# Warn if hardlink option changed
|
|
|
|
if (!$oLastManifest->boolTest(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK, undef, $bHardLink))
|
|
|
|
{
|
|
|
|
&log(WARN, "${strType} backup cannot alter hardlink option to '" . boolFormat($bHardLink) .
|
|
|
|
"', reset to value in ${strBackupLastPath}");
|
|
|
|
$bHardLink = $oLastManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK);
|
|
|
|
}
|
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
2014-10-14 15:27:50 +03:00
|
|
|
else
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($strType eq BACKUP_TYPE_DIFF || $strType eq BACKUP_TYPE_INCR)
|
2014-10-14 15:27:50 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
&log(WARN, "no prior backup exists, ${strType} backup has been changed to full");
|
2014-10-14 15:27:50 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
$strType = BACKUP_TYPE_FULL;
|
|
|
|
}
|
|
|
|
|
2015-01-21 01:00:03 +02:00
|
|
|
# Backup settings
|
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TYPE, undef, $strType);
|
2015-08-29 20:20:46 +02:00
|
|
|
$oBackupManifest->numericSet(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TIMESTAMP_START, undef, $lTimestampStart);
|
|
|
|
$oBackupManifest->boolSet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS, undef, $bCompress);
|
|
|
|
$oBackupManifest->boolSet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK, undef, $bHardLink);
|
|
|
|
$oBackupManifest->boolSet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_START_STOP, undef, !optionGet(OPTION_NO_START_STOP));
|
|
|
|
$oBackupManifest->boolSet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_ARCHIVE_COPY, undef,
|
2016-01-04 03:21:30 +02:00
|
|
|
optionGet(OPTION_NO_START_STOP) ||
|
|
|
|
(optionGet(OPTION_BACKUP_ARCHIVE_CHECK) && optionGet(OPTION_BACKUP_ARCHIVE_COPY)));
|
2015-08-29 20:20:46 +02:00
|
|
|
$oBackupManifest->boolSet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_ARCHIVE_CHECK, undef,
|
|
|
|
optionGet(OPTION_NO_START_STOP) || optionGet(OPTION_BACKUP_ARCHIVE_CHECK));
|
2015-06-14 00:25:49 +02:00
|
|
|
|
|
|
|
# Database info
|
2015-08-29 20:20:46 +02:00
|
|
|
my ($fDbVersion, $iControlVersion, $iCatalogVersion, $ullDbSysId) =
|
|
|
|
$self->{oDb}->info($self->{oFile}, optionGet(OPTION_DB_PATH));
|
2015-06-14 00:25:49 +02:00
|
|
|
|
2015-09-02 01:05:10 +02:00
|
|
|
$oBackupInfo->check($fDbVersion, $iControlVersion, $iCatalogVersion, $ullDbSysId);
|
|
|
|
|
2015-08-06 04:05:45 +02:00
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP_DB, MANIFEST_KEY_DB_VERSION, undef, $fDbVersion);
|
2015-08-29 20:20:46 +02:00
|
|
|
$oBackupManifest->numericSet(MANIFEST_SECTION_BACKUP_DB, MANIFEST_KEY_CONTROL, undef, $iControlVersion);
|
|
|
|
$oBackupManifest->numericSet(MANIFEST_SECTION_BACKUP_DB, MANIFEST_KEY_CATALOG, undef, $iCatalogVersion);
|
|
|
|
$oBackupManifest->numericSet(MANIFEST_SECTION_BACKUP_DB, MANIFEST_KEY_SYSTEM_ID, undef, $ullDbSysId);
|
2015-06-14 00:25:49 +02:00
|
|
|
|
2014-09-20 00:51:51 +03:00
|
|
|
# Start backup (unless no-start-stop is set)
|
|
|
|
my $strArchiveStart;
|
2015-08-29 20:20:46 +02:00
|
|
|
my $oTablespaceMap;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Don't start the backup but do check if PostgreSQL is running
|
|
|
|
if (optionGet(OPTION_NO_START_STOP))
|
2014-09-20 00:51:51 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($self->{oFile}->exists(PATH_DB_ABSOLUTE, optionGet(OPTION_DB_PATH) . '/' . FILE_POSTMASTER_PID))
|
2014-09-20 00:51:51 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
if (optionGet(OPTION_FORCE))
|
2014-09-20 00:51:51 +03:00
|
|
|
{
|
2014-12-19 00:05:06 +02:00
|
|
|
&log(WARN, '--no-start-stop passed and ' . FILE_POSTMASTER_PID . ' exists but --force was passed so backup will ' .
|
|
|
|
'continue though it looks like the postmaster is running and the backup will probably not be ' .
|
|
|
|
'consistent');
|
2014-09-20 00:51:51 +03:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2015-09-09 00:29:13 +02:00
|
|
|
confess &log(ERROR, '--no-start-stop passed but ' . FILE_POSTMASTER_PID . ' exists - looks like the postmaster is ' .
|
|
|
|
'running. Shutdown the postmaster and try again, or use --force.', ERROR_POSTMASTER_RUNNING);
|
2014-09-20 00:51:51 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
# Else start the backup normally
|
2014-09-20 00:51:51 +03:00
|
|
|
else
|
|
|
|
{
|
2015-01-21 01:00:03 +02:00
|
|
|
my $strTimestampDbStart;
|
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Start the backup
|
2015-01-21 01:00:03 +02:00
|
|
|
($strArchiveStart, $strTimestampDbStart) =
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oDb}->backupStart($self->{oFile}, optionGet(OPTION_DB_PATH), BACKREST_EXE . ' backup started ' .
|
|
|
|
timestampFormat(undef, $lTimestampStart), optionGet(OPTION_START_FAST));
|
2015-01-21 01:00:03 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Record the archive start location
|
2015-01-21 01:00:03 +02:00
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_ARCHIVE_START, undef, $strArchiveStart);
|
|
|
|
&log(INFO, "archive start: ${strArchiveStart}");
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Build the backup manifest
|
|
|
|
$oTablespaceMap = optionGet(OPTION_NO_START_STOP) ? undef : $self->{oDb}->tablespaceMapGet();
|
|
|
|
}
|
2014-09-20 00:51:51 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Buid the manifest
|
|
|
|
$oBackupManifest->build($self->{oFile}, optionGet(OPTION_DB_PATH), $oLastManifest, optionGet(OPTION_NO_START_STOP),
|
|
|
|
$oTablespaceMap);
|
2014-07-28 01:13:23 +03:00
|
|
|
&log(TEST, TEST_MANIFEST_BUILD);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2014-10-14 15:27:50 +03:00
|
|
|
# Check if an aborted backup exists for this stanza
|
2014-03-06 03:53:13 +03:00
|
|
|
if (-e $strBackupTmpPath)
|
|
|
|
{
|
2014-10-14 15:27:50 +03:00
|
|
|
my $bUsable = false;
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strReason = "resume is disabled";
|
2015-01-23 00:43:19 +02:00
|
|
|
my $oAbortedManifest;
|
2015-01-22 17:54:02 +02:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Attempt to read the manifest file in the aborted backup to seeif it can be used. If any error at all occurs then the
|
|
|
|
# backup will be considered unusable and a resume will not be attempted.
|
|
|
|
if (optionGet(OPTION_RESUME))
|
2014-10-14 15:27:50 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$strReason = "unable to read ${strBackupTmpPath}/backup.manifest";
|
|
|
|
|
|
|
|
eval
|
2014-10-14 15:27:50 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
# Load the aborted manifest
|
|
|
|
$oAbortedManifest = new BackRest::Manifest("${strBackupTmpPath}/backup.manifest");
|
|
|
|
|
|
|
|
# Key and values that do not match
|
|
|
|
my $strKey;
|
|
|
|
my $strValueNew;
|
|
|
|
my $strValueAborted;
|
|
|
|
|
|
|
|
# Check version
|
|
|
|
if ($oBackupManifest->get(INI_SECTION_BACKREST, INI_KEY_VERSION) ne
|
|
|
|
$oAbortedManifest->get(INI_SECTION_BACKREST, INI_KEY_VERSION))
|
2014-10-14 22:44:50 +03:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
$strKey = INI_KEY_VERSION;
|
|
|
|
$strValueNew = $oBackupManifest->get(INI_SECTION_BACKREST, INI_KEY_VERSION);
|
|
|
|
$strValueAborted = $oAbortedManifest->get(INI_SECTION_BACKREST, INI_KEY_VERSION);
|
|
|
|
}
|
|
|
|
# Check format
|
|
|
|
elsif ($oBackupManifest->get(INI_SECTION_BACKREST, INI_KEY_FORMAT) ne
|
|
|
|
$oAbortedManifest->get(INI_SECTION_BACKREST, INI_KEY_FORMAT))
|
|
|
|
{
|
|
|
|
$strKey = INI_KEY_FORMAT;
|
|
|
|
$strValueNew = $oBackupManifest->get(INI_SECTION_BACKREST, INI_KEY_FORMAT);
|
|
|
|
$strValueAborted = $oAbortedManifest->get(INI_SECTION_BACKREST, INI_KEY_FORMAT);
|
|
|
|
}
|
|
|
|
# Check backup type
|
|
|
|
elsif ($oBackupManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TYPE) ne
|
|
|
|
$oAbortedManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TYPE))
|
|
|
|
{
|
|
|
|
$strKey = MANIFEST_KEY_TYPE;
|
|
|
|
$strValueNew = $oBackupManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TYPE);
|
|
|
|
$strValueAborted = $oAbortedManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TYPE);
|
|
|
|
}
|
|
|
|
# Check prior label
|
|
|
|
elsif ($oBackupManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_PRIOR, undef, false, '<undef>') ne
|
|
|
|
$oAbortedManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_PRIOR, undef, false, '<undef>'))
|
|
|
|
{
|
|
|
|
$strKey = MANIFEST_KEY_PRIOR;
|
|
|
|
$strValueNew = $oBackupManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_PRIOR, undef, false, '<undef>');
|
|
|
|
$strValueAborted = $oAbortedManifest->get(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_PRIOR, undef, false, '<undef>');
|
|
|
|
}
|
|
|
|
# Check compression
|
|
|
|
elsif ($oBackupManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS) ne
|
|
|
|
$oAbortedManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS))
|
|
|
|
{
|
|
|
|
$strKey = MANIFEST_KEY_COMPRESS;
|
|
|
|
$strValueNew = $oBackupManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS);
|
|
|
|
$strValueAborted = $oAbortedManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_COMPRESS);
|
2014-10-14 22:44:50 +03:00
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
# Check hardlink
|
|
|
|
elsif ($oBackupManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK) ne
|
|
|
|
$oAbortedManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK))
|
|
|
|
{
|
|
|
|
$strKey = MANIFEST_KEY_HARDLINK;
|
|
|
|
$strValueNew = $oBackupManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK);
|
|
|
|
$strValueAborted = $oAbortedManifest->boolGet(MANIFEST_SECTION_BACKUP_OPTION, MANIFEST_KEY_HARDLINK);
|
|
|
|
}
|
|
|
|
|
|
|
|
# If key is defined then something didn't match
|
|
|
|
if (defined($strKey))
|
|
|
|
{
|
|
|
|
$strReason = "new ${strKey} '${strValueNew}' does not match aborted ${strKey} '${strValueAborted}'";
|
|
|
|
}
|
|
|
|
# Else the backup can be resumed
|
|
|
|
else
|
2014-10-14 15:27:50 +03:00
|
|
|
{
|
|
|
|
$bUsable = true;
|
|
|
|
}
|
2015-08-29 20:20:46 +02:00
|
|
|
};
|
|
|
|
}
|
2014-06-04 18:58:30 +03:00
|
|
|
|
2014-10-14 15:27:50 +03:00
|
|
|
# If the aborted backup is usable then clean it
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($bUsable)
|
2014-10-14 15:27:50 +03:00
|
|
|
{
|
|
|
|
&log(WARN, 'aborted backup of same type exists, will be cleaned to remove invalid files and resumed');
|
2015-01-22 17:54:02 +02:00
|
|
|
&log(TEST, TEST_BACKUP_RESUME);
|
2014-10-14 15:27:50 +03:00
|
|
|
|
|
|
|
# Clean the old backup tmp path
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->tmpClean($oBackupManifest, $oAbortedManifest);
|
2014-10-14 15:27:50 +03:00
|
|
|
}
|
|
|
|
# Else remove it
|
|
|
|
else
|
|
|
|
{
|
2015-01-22 17:54:02 +02:00
|
|
|
&log(WARN, "aborted backup exists, but cannot be resumed (${strReason}) - will be dropped and recreated");
|
|
|
|
&log(TEST, TEST_BACKUP_NORESUME);
|
2014-10-14 15:27:50 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
remove_tree($self->{oFile}->pathGet(PATH_BACKUP_TMP))
|
2014-10-14 15:27:50 +03:00
|
|
|
or confess &log(ERROR, "unable to delete tmp path: ${strBackupTmpPath}");
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->pathCreate(PATH_BACKUP_TMP);
|
2014-10-14 15:27:50 +03:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
# Else create the backup tmp path
|
|
|
|
else
|
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "create temp backup path ${strBackupTmpPath}");
|
|
|
|
$self->{oFile}->pathCreate(PATH_BACKUP_TMP);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
2015-01-20 21:42:22 +02:00
|
|
|
# Save the backup manifest
|
|
|
|
$oBackupManifest->save();
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
# Perform the backup
|
2015-08-29 20:20:46 +02:00
|
|
|
my $lBackupSizeTotal = $self->processManifest($strType, $bCompress, $bHardLink, $oBackupManifest);
|
|
|
|
&log(INFO, "${strType} backup size = " . fileSizeFormat($lBackupSizeTotal));
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2014-09-20 00:51:51 +03:00
|
|
|
# Stop backup (unless no-start-stop is set)
|
|
|
|
my $strArchiveStop;
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
if (!optionGet(OPTION_NO_START_STOP))
|
2014-09-20 00:51:51 +03:00
|
|
|
{
|
2015-01-21 01:00:03 +02:00
|
|
|
my $strTimestampDbStop;
|
2015-08-29 20:20:46 +02:00
|
|
|
($strArchiveStop, $strTimestampDbStop) = $self->{oDb}->backupStop();
|
2015-01-21 01:00:03 +02:00
|
|
|
|
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_ARCHIVE_STOP, undef, $strArchiveStop);
|
|
|
|
|
|
|
|
&log(INFO, 'archive stop: ' . $strArchiveStop);
|
2014-09-20 00:51:51 +03:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-05-07 02:24:34 +02:00
|
|
|
# If archive logs are required to complete the backup, then check them. This is the default, but can be overridden if the
|
2014-03-06 03:53:13 +03:00
|
|
|
# archive logs are going to a different server. Be careful here because there is no way to verify that the backup will be
|
2015-04-07 13:34:37 +02:00
|
|
|
# consistent - at least not here.
|
2015-03-23 22:01:15 +02:00
|
|
|
if (!optionGet(OPTION_NO_START_STOP) && optionGet(OPTION_BACKUP_ARCHIVE_CHECK))
|
2014-03-06 03:53:13 +03:00
|
|
|
{
|
2015-01-20 21:42:22 +02:00
|
|
|
# Save the backup manifest a second time - before getting archive logs in case that fails
|
|
|
|
$oBackupManifest->save();
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-01-27 18:44:23 +02:00
|
|
|
# Create the modification time for the archive logs
|
|
|
|
my $lModificationTime = time();
|
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# After the backup has been stopped, need to make a copy of the archive logs need to make the db consistent
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "retrieve archive logs ${strArchiveStart}:${strArchiveStop}");
|
2015-04-01 21:58:33 +02:00
|
|
|
my $oArchive = new BackRest::Archive();
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strArchiveId = $oArchive->getCheck($self->{oFile});
|
2015-08-06 04:05:45 +02:00
|
|
|
my @stryArchive = $oArchive->range($strArchiveStart, $strArchiveStop, $fDbVersion < 9.3);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
|
|
|
foreach my $strArchive (@stryArchive)
|
|
|
|
{
|
2016-01-10 06:08:54 +02:00
|
|
|
my $strArchiveFile = $oArchive->walFileName($self->{oFile}, $strArchiveId, $strArchive, false, 600);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-03-23 22:01:15 +02:00
|
|
|
if (optionGet(OPTION_BACKUP_ARCHIVE_COPY))
|
2015-03-16 20:45:53 +02:00
|
|
|
{
|
2015-08-29 20:20:46 +02:00
|
|
|
logDebugMisc($strOperation, "archive: ${strArchive} (${strArchiveFile})");
|
2015-03-16 20:45:53 +02:00
|
|
|
|
|
|
|
# Copy the log file from the archive repo to the backup
|
2015-08-29 20:20:46 +02:00
|
|
|
my $strDestinationFile = "base/pg_xlog/${strArchive}" . ($bCompress ? ".$self->{oFile}->{strCompressExtension}" : '');
|
|
|
|
my $bArchiveCompressed = $strArchiveFile =~ "^.*\.$self->{oFile}->{strCompressExtension}\$";
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-03-16 20:45:53 +02:00
|
|
|
my ($bCopyResult, $strCopyChecksum, $lCopySize) =
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->copy(PATH_BACKUP_ARCHIVE, "${strArchiveId}/${strArchiveFile}",
|
2015-03-16 20:45:53 +02:00
|
|
|
PATH_BACKUP_TMP, $strDestinationFile,
|
2015-05-22 20:49:14 +02:00
|
|
|
$bArchiveCompressed, $bCompress,
|
|
|
|
undef, $lModificationTime, undef, true);
|
2015-01-27 18:44:23 +02:00
|
|
|
|
2015-03-16 20:45:53 +02:00
|
|
|
# Add the archive file to the manifest so it can be part of the restore and checked in validation
|
|
|
|
my $strPathSection = 'base:path';
|
|
|
|
my $strPathLog = 'pg_xlog';
|
|
|
|
my $strFileSection = 'base:file';
|
|
|
|
my $strFileLog = "pg_xlog/${strArchive}";
|
2015-01-27 18:44:23 +02:00
|
|
|
|
2015-03-16 20:45:53 +02:00
|
|
|
# Compare the checksum against the one already in the archive log name
|
2015-08-29 20:20:46 +02:00
|
|
|
if ($strArchiveFile !~ "^${strArchive}-${strCopyChecksum}(\\.$self->{oFile}->{strCompressExtension}){0,1}\$")
|
2015-03-16 20:45:53 +02:00
|
|
|
{
|
2015-04-01 21:58:33 +02:00
|
|
|
confess &log(ERROR, "error copying WAL segment '${strArchiveFile}' to backup - checksum recorded with " .
|
|
|
|
"file does not match actual checksum of '${strCopyChecksum}'", ERROR_CHECKSUM);
|
2015-03-16 20:45:53 +02:00
|
|
|
}
|
2015-01-27 18:44:23 +02:00
|
|
|
|
2015-03-16 20:45:53 +02:00
|
|
|
# Set manifest values
|
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_USER,
|
|
|
|
$oBackupManifest->get($strPathSection, $strPathLog, MANIFEST_SUBKEY_USER));
|
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_GROUP,
|
|
|
|
$oBackupManifest->get($strPathSection, $strPathLog, MANIFEST_SUBKEY_GROUP));
|
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_MODE, '0700');
|
2015-06-14 00:25:49 +02:00
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_TIMESTAMP, $lModificationTime);
|
2015-03-16 20:45:53 +02:00
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_SIZE, $lCopySize);
|
|
|
|
$oBackupManifest->set($strFileSection, $strFileLog, MANIFEST_SUBKEY_CHECKSUM, $strCopyChecksum);
|
2015-01-27 18:44:23 +02:00
|
|
|
}
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-13 02:17:16 +03:00
|
|
|
# Create the path for the new backup
|
2015-06-14 00:25:49 +02:00
|
|
|
my $lTimestampStop = time();
|
2015-09-02 01:05:10 +02:00
|
|
|
my $strBackupLabel = backupLabelFormat($strType, $strBackupLastPath, $lTimestampStop);
|
2014-08-13 02:17:16 +03:00
|
|
|
|
2014-08-13 02:04:46 +03:00
|
|
|
# Record timestamp stop in the config
|
2015-06-14 00:25:49 +02:00
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_TIMESTAMP_STOP, undef, $lTimestampStop + 0);
|
2015-09-02 01:05:10 +02:00
|
|
|
$oBackupManifest->set(MANIFEST_SECTION_BACKUP, MANIFEST_KEY_LABEL, undef, $strBackupLabel);
|
2014-08-13 02:04:46 +03:00
|
|
|
|
2015-01-20 21:42:22 +02:00
|
|
|
# Save the backup manifest final time
|
|
|
|
$oBackupManifest->save();
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-09-02 01:05:10 +02:00
|
|
|
&log(INFO, "new backup label = ${strBackupLabel}");
|
2014-08-13 02:17:16 +03:00
|
|
|
|
2014-03-06 03:53:13 +03:00
|
|
|
# Rename the backup tmp path to complete the backup
|
2015-09-02 01:05:10 +02:00
|
|
|
logDebugMisc($strOperation, "move ${strBackupTmpPath} to " . $self->{oFile}->pathGet(PATH_BACKUP_CLUSTER, $strBackupLabel));
|
|
|
|
$self->{oFile}->move(PATH_BACKUP_TMP, undef, PATH_BACKUP_CLUSTER, $strBackupLabel);
|
2014-12-18 18:14:30 +02:00
|
|
|
|
|
|
|
# Create a link to the most recent backup
|
2015-08-29 20:20:46 +02:00
|
|
|
$self->{oFile}->remove(PATH_BACKUP_CLUSTER, "latest");
|
2015-09-02 01:05:10 +02:00
|
|
|
$self->{oFile}->linkCreate(PATH_BACKUP_CLUSTER, $strBackupLabel, PATH_BACKUP_CLUSTER, "latest", undef, true);
|
2015-05-26 18:26:59 +02:00
|
|
|
|
2015-06-14 00:25:49 +02:00
|
|
|
# Save backup info
|
2015-08-29 20:20:46 +02:00
|
|
|
$oBackupInfo->add($self->{oFile}, $oBackupManifest);
|
2014-03-06 03:53:13 +03:00
|
|
|
|
2015-08-29 20:20:46 +02:00
|
|
|
# Return from function and log return values if any
|
|
|
|
return logDebugReturn
|
|
|
|
(
|
|
|
|
$strOperation
|
|
|
|
);
|
2014-03-06 03:53:13 +03:00
|
|
|
}
|
|
|
|
|
2014-06-04 18:58:30 +03:00
|
|
|
1;
|