mirror of
https://github.com/pgbackrest/pgbackrest.git
synced 2024-12-14 10:13:05 +02:00
416 lines
16 KiB
Perl
416 lines
16 KiB
Perl
####################################################################################################################################
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# INFO MODULE
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####################################################################################################################################
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package pgBackRest::Info;
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use strict;
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use warnings FATAL => qw(all);
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use Carp qw(confess);
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use Exporter qw(import);
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our @EXPORT = qw();
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use File::Basename qw(dirname);
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use pgBackRest::Common::Log;
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use pgBackRest::Common::Ini;
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use pgBackRest::Common::String;
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use pgBackRest::BackupCommon;
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use pgBackRest::BackupInfo;
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use pgBackRest::Config::Config;
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use pgBackRest::File;
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use pgBackRest::Manifest;
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use pgBackRest::Protocol::Common;
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use pgBackRest::Protocol::Protocol;
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####################################################################################################################################
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# Info constants
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####################################################################################################################################
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use constant INFO_SECTION_BACKREST => 'backrest';
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use constant INFO_SECTION_ARCHIVE => 'archive';
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use constant INFO_SECTION_DB => 'database';
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use constant INFO_SECTION_INFO => 'info';
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use constant INFO_SECTION_REPO => 'repository';
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use constant INFO_SECTION_TIMESTAMP => 'timestamp';
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use constant INFO_SECTION_STATUS => 'status';
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use constant INFO_STANZA_NAME => 'name';
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use constant INFO_STANZA_STATUS_OK => 'ok';
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use constant INFO_STANZA_STATUS_ERROR => 'error';
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use constant INFO_STANZA_STATUS_OK_CODE => 0;
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use constant INFO_STANZA_STATUS_OK_MESSAGE => INFO_STANZA_STATUS_OK;
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use constant INFO_STANZA_STATUS_MISSING_STANZA_CODE => 1;
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use constant INFO_STANZA_STATUS_MISSING_STANZA_MESSAGE => 'missing stanza path';
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use constant INFO_STANZA_STATUS_NO_BACKUP_CODE => 2;
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use constant INFO_STANZA_STATUS_NO_BACKUP_MESSAGE => 'no valid backups';
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use constant INFO_KEY_CODE => 'code';
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use constant INFO_KEY_DELTA => 'delta';
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use constant INFO_KEY_FORMAT => 'format';
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use constant INFO_KEY_ID => 'id';
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use constant INFO_KEY_LABEL => 'label';
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use constant INFO_KEY_MESSAGE => 'message';
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use constant INFO_KEY_PRIOR => 'prior';
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use constant INFO_KEY_REFERENCE => 'reference';
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use constant INFO_KEY_SIZE => 'size';
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use constant INFO_KEY_START => 'start';
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use constant INFO_KEY_STOP => 'stop';
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use constant INFO_KEY_SYSTEM_ID => 'system-id';
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use constant INFO_KEY_TYPE => 'type';
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use constant INFO_KEY_VERSION => 'version';
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####################################################################################################################################
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# CONSTRUCTOR
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####################################################################################################################################
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sub new
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{
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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, $class;
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# Assign function parameters, defaults, and log debug info
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my ($strOperation) = logDebugParam(__PACKAGE__ . '->new');
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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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}
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####################################################################################################################################
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# process
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####################################################################################################################################
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sub process
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{
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my $self = shift;
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# Assign function parameters, defaults, and log debug info
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my ($strOperation) = logDebugParam(__PACKAGE__ . '->process');
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# Get stanza if specified
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my $strStanza = optionTest(OPTION_STANZA) ? optionGet(OPTION_STANZA) : undef;
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# Create the file object
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my $oFile = new pgBackRest::File
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(
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$strStanza,
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optionGet(OPTION_REPO_PATH),
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protocolGet(BACKUP)
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);
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# Get the stanza list with all info
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my $oyStanzaList = $self->stanzaList($oFile, $strStanza);
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if (optionTest(OPTION_OUTPUT, INFO_OUTPUT_TEXT))
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{
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my $strOutput;
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foreach my $oStanzaInfo (@{$oyStanzaList})
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{
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# Add an LF between stanzas
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$strOutput .= defined($strOutput) ? "\n" : '';
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# Output stanza name and status
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$strOutput .=
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'stanza: ' . $$oStanzaInfo{&INFO_STANZA_NAME} . "\n" .
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' status: ' . ($$oStanzaInfo{&INFO_SECTION_STATUS}{&INFO_KEY_CODE} == 0 ? INFO_STANZA_STATUS_OK :
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INFO_STANZA_STATUS_ERROR . ' (' . $$oStanzaInfo{&INFO_SECTION_STATUS}{&INFO_KEY_MESSAGE} . ')') . "\n";
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# Output information for each stanza backup, from oldest to newest
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foreach my $oBackupInfo (@{$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}})
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{
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$strOutput .=
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"\n".
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' ' . $$oBackupInfo{&INFO_KEY_TYPE} . ' backup: ' . $$oBackupInfo{&INFO_KEY_LABEL} . "\n" .
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' start / stop timestamp: ' .
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timestampFormat(undef, $$oBackupInfo{&INFO_SECTION_TIMESTAMP}{&INFO_KEY_START}) .
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' / ' .
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timestampFormat(undef, $$oBackupInfo{&INFO_SECTION_TIMESTAMP}{&INFO_KEY_STOP}) . "\n" .
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' database size: ' .
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(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_SIZE}) ?
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fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_SIZE}) : '') .
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', backup size: ' .
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(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_DELTA}) ?
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fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_DELTA}) : '') . "\n" .
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' repository size: ' .
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(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_SIZE}) ?
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fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_SIZE}) : '') .
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', repository backup size: ' .
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(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_DELTA}) ?
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fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_DELTA}) : '') . "\n";
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# List the backup reference chain, if any, for this backup
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if (defined($$oBackupInfo{&INFO_KEY_REFERENCE}))
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{
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$strOutput .= ' backup reference list: ' . (join(', ' ,@{$$oBackupInfo{&INFO_KEY_REFERENCE}})) . "\n";
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}
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}
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}
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if (defined($strOutput))
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{
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syswrite(*STDOUT, $strOutput);
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}
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else
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{
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syswrite(*STDOUT, 'No stanzas exist in ' . $oFile->pathGet(PATH_BACKUP) . ".\n");
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}
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}
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elsif (optionTest(OPTION_OUTPUT, INFO_OUTPUT_JSON))
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{
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my $oJSON = JSON::PP->new()->canonical()->pretty()->indent_length(4);
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my $strJSON = $oJSON->encode($oyStanzaList);
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syswrite(*STDOUT, $strJSON);
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# On some systems a linefeed will be appended by encode() but others will not have it. In our case there should always
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# be a terminating linefeed.
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if ($strJSON !~ /\n$/)
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{
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syswrite(*STDOUT, "\n");
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}
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}
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else
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{
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confess &log(ASSERT, "invalid info output option '" . optionGet(OPTION_OUTPUT) . "'");
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}
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'iResult', value => 0, trace => true}
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);
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}
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####################################################################################################################################
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# stanzaList
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####################################################################################################################################
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sub stanzaList
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{
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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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$oFile,
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$strStanza
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) =
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logDebugParam
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(
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__PACKAGE__ . '->stanzaList', \@_,
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{name => 'oFile'},
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{name => 'strStanza', required => false}
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);
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my @oyStanzaList;
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if ($oFile->isRemote(PATH_BACKUP))
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{
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# Build param hash
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my $oParamHash = undef;
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if (defined($strStanza))
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{
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$$oParamHash{'stanza'} = $strStanza;
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}
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# Trace the remote parameters
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&log(TRACE, OP_INFO_STANZA_LIST . ": remote (" . $oFile->{oProtocol}->commandParamString($oParamHash) . ')');
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# Execute the command
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my $strStanzaList = $oFile->{oProtocol}->cmdExecute(OP_INFO_STANZA_LIST, $oParamHash, true);
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# Trace the remote response
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&log(TRACE, OP_INFO_STANZA_LIST . ": remote json response (${strStanzaList})");
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my $oJSON = JSON::PP->new();
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return $oJSON->decode($strStanzaList);
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}
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else
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{
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my @stryStanza = $oFile->list(PATH_BACKUP, CMD_BACKUP, undef, undef, true);
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foreach my $strStanzaFound (@stryStanza)
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{
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if (defined($strStanza) && $strStanza ne $strStanzaFound)
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{
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next;
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}
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my $oStanzaInfo = {};
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$$oStanzaInfo{&INFO_STANZA_NAME} = $strStanzaFound;
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($$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}, $$oStanzaInfo{&INFO_BACKUP_SECTION_DB}) =
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$self->backupList($oFile, $strStanzaFound);
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if (@{$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}} == 0)
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{
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$$oStanzaInfo{&INFO_SECTION_STATUS} =
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{
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&INFO_KEY_CODE => INFO_STANZA_STATUS_NO_BACKUP_CODE,
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&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_NO_BACKUP_MESSAGE
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};
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}
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else
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{
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$$oStanzaInfo{&INFO_SECTION_STATUS} =
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{
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&INFO_KEY_CODE => INFO_STANZA_STATUS_OK_CODE,
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&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_OK_MESSAGE
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};
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}
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push @oyStanzaList, $oStanzaInfo;
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}
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if (defined($strStanza) && @oyStanzaList == 0)
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{
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my $oStanzaInfo = {};
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$$oStanzaInfo{&INFO_STANZA_NAME} = $strStanza;
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$$oStanzaInfo{&INFO_SECTION_STATUS} =
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{
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&INFO_KEY_CODE => INFO_STANZA_STATUS_MISSING_STANZA_CODE,
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&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_MISSING_STANZA_MESSAGE
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};
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$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP} = [];
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$$oStanzaInfo{&INFO_BACKUP_SECTION_DB} = [];
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push @oyStanzaList, $oStanzaInfo;
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}
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}
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'oyStanzaList', value => \@oyStanzaList, log => false, ref => true}
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);
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}
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####################################################################################################################################
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# backupList
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###################################################################################################################################
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sub backupList
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{
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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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$oFile,
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$strStanza
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) =
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logDebugParam
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(
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__PACKAGE__ . '->backupList', \@_,
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{name => 'oFile'},
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{name => 'strStanza'}
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);
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# Load or build backup.info
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my $oBackupInfo = new pgBackRest::BackupInfo($oFile->pathGet(PATH_BACKUP, CMD_BACKUP . "/${strStanza}"));
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# Build the db list
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my @oyDbList;
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foreach my $iHistoryId ($oBackupInfo->keys(INFO_BACKUP_SECTION_DB_HISTORY))
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{
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my $oDbHash =
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{
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&INFO_KEY_ID => $iHistoryId,
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&INFO_KEY_VERSION =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_DB_HISTORY, $iHistoryId, INFO_BACKUP_KEY_DB_VERSION),
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&INFO_KEY_SYSTEM_ID =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_DB_HISTORY, $iHistoryId, INFO_BACKUP_KEY_SYSTEM_ID)
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};
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push(@oyDbList, $oDbHash);
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}
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# Build the backup list
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my @oyBackupList;
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foreach my $strBackup ($oBackupInfo->keys(INFO_BACKUP_SECTION_BACKUP_CURRENT))
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{
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my $oBackupHash =
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{
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&INFO_SECTION_ARCHIVE =>
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{
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&INFO_KEY_START =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_ARCHIVE_START, false),
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&INFO_KEY_STOP =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_ARCHIVE_STOP, false),
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},
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&INFO_SECTION_BACKREST =>
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{
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&INFO_KEY_FORMAT =>
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$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INI_KEY_FORMAT),
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&INFO_KEY_VERSION =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INI_KEY_VERSION)
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},
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&INFO_SECTION_DB =>
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{
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&INFO_KEY_ID =>
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$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_HISTORY_ID)
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},
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&INFO_SECTION_INFO =>
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{
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&INFO_SECTION_REPO =>
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{
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# Size of the backup in the repository, taking compression into account
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&INFO_KEY_SIZE =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_REPO_SIZE),
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# Size of this backup only (does not include referenced backups like repo->size)
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&INFO_KEY_DELTA =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_REPO_SIZE_DELTA),
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},
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# Original database size
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&INFO_KEY_SIZE =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_SIZE),
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# Amount of database backed up (will be equal for full backups)
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&INFO_KEY_DELTA =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_SIZE_DELTA),
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},
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&INFO_SECTION_TIMESTAMP =>
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{
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&INFO_KEY_START =>
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$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TIMESTAMP_START),
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&INFO_KEY_STOP =>
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$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TIMESTAMP_STOP),
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},
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&INFO_KEY_LABEL => $strBackup,
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&INFO_KEY_PRIOR =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_PRIOR, false),
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&INFO_KEY_REFERENCE =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_REFERENCE, false),
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&INFO_KEY_TYPE =>
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$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TYPE)
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};
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push(@oyBackupList, $oBackupHash);
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}
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# Return from function and log return values if any
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return logDebugReturn
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(
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$strOperation,
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{name => 'oyBackupList', value => \@oyBackupList, log => false, ref => true},
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{name => 'oyDbList', value => \@oyDbList, log => false, ref => true}
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);
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}
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1;
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