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mirror of https://github.com/pgbackrest/pgbackrest.git synced 2024-12-12 10:04:14 +02:00
pgbackrest/lib/pgBackRest/Info.pm

676 lines
26 KiB
Perl

####################################################################################################################################
# INFO MODULE
####################################################################################################################################
package pgBackRest::Info;
use strict;
use warnings FATAL => qw(all);
use Carp qw(confess);
use Exporter qw(import);
our @EXPORT = qw();
use File::Basename qw(dirname);
use pgBackRest::Backup::Common;
use pgBackRest::Backup::Info;
use pgBackRest::Common::Log;
use pgBackRest::Common::Ini;
use pgBackRest::Common::String;
use pgBackRest::Backup::Common;
use pgBackRest::Backup::Info;
use pgBackRest::Config::Config;
use pgBackRest::InfoCommon;
use pgBackRest::Manifest;
use pgBackRest::Protocol::Helper;
use pgBackRest::Protocol::Storage::Helper;
use pgBackRest::Storage::Helper;
####################################################################################################################################
# Info constants
####################################################################################################################################
use constant INFO_SECTION_BACKREST => 'backrest';
use constant INFO_SECTION_ARCHIVE => 'archive';
use constant INFO_SECTION_DB => 'database';
use constant INFO_SECTION_INFO => 'info';
use constant INFO_SECTION_REPO => 'repository';
use constant INFO_SECTION_TIMESTAMP => 'timestamp';
use constant INFO_SECTION_STATUS => 'status';
use constant INFO_STANZA_NAME => 'name';
use constant INFO_STANZA_STATUS_OK => 'ok';
use constant INFO_STANZA_STATUS_ERROR => 'error';
use constant INFO_STANZA_STATUS_OK_CODE => 0;
use constant INFO_STANZA_STATUS_OK_MESSAGE => INFO_STANZA_STATUS_OK;
use constant INFO_STANZA_STATUS_MISSING_STANZA_CODE => 1;
use constant INFO_STANZA_STATUS_MISSING_STANZA_MESSAGE => 'missing stanza path';
use constant INFO_STANZA_STATUS_NO_BACKUP_CODE => 2;
use constant INFO_STANZA_STATUS_NO_BACKUP_MESSAGE => 'no valid backups';
use constant INFO_KEY_CODE => 'code';
use constant INFO_KEY_DELTA => 'delta';
use constant INFO_KEY_FORMAT => 'format';
use constant INFO_KEY_ID => INFO_HISTORY_ID;
use constant INFO_KEY_LABEL => 'label';
use constant INFO_KEY_MAX => 'max';
use constant INFO_KEY_MIN => 'min';
use constant INFO_KEY_MESSAGE => 'message';
use constant INFO_KEY_PRIOR => 'prior';
use constant INFO_KEY_REFERENCE => 'reference';
use constant INFO_KEY_SIZE => 'size';
use constant INFO_KEY_START => 'start';
use constant INFO_KEY_STOP => 'stop';
use constant INFO_KEY_SYSTEM_ID => INFO_SYSTEM_ID;
use constant INFO_KEY_TYPE => 'type';
use constant INFO_KEY_VERSION => INFO_DB_VERSION;
####################################################################################################################################
# CONSTRUCTOR
####################################################################################################################################
sub new
{
my $class = shift; # Class name
# Create the class hash
my $self = {};
bless $self, $class;
# Assign function parameters, defaults, and log debug info
my ($strOperation) = logDebugParam(__PACKAGE__ . '->new');
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'self', value => $self}
);
}
####################################################################################################################################
# process
####################################################################################################################################
sub process
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my ($strOperation) = logDebugParam(__PACKAGE__ . '->process');
# Get stanza if specified
my $strStanza = cfgOptionTest(CFGOPT_STANZA) ? cfgOption(CFGOPT_STANZA) : undef;
# Get the stanza list with all info
my $oyStanzaList = $self->stanzaList($strStanza);
if (cfgOptionTest(CFGOPT_OUTPUT, CFGOPTVAL_INFO_OUTPUT_TEXT))
{
my $strOutput = $self->formatText($oyStanzaList);
if (defined($strOutput))
{
syswrite(*STDOUT, $strOutput);
}
else
{
syswrite(*STDOUT, 'No stanzas exist in ' . storageRepo()->pathGet() . ".\n");
}
}
elsif (cfgOptionTest(CFGOPT_OUTPUT, CFGOPTVAL_INFO_OUTPUT_JSON))
{
my $oJSON = JSON::PP->new()->canonical()->pretty()->indent_length(4);
$self->outputJSON($oJSON->encode($oyStanzaList));
}
else
{
confess &log(ASSERT, "invalid info output option '" . cfgOption(CFGOPT_OUTPUT) . "'");
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'iResult', value => 0, trace => true}
);
}
####################################################################################################################################
# outputJSON
###################################################################################################################################
sub outputJSON
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$strJSON,
) =
logDebugParam
(
__PACKAGE__ . '->outputJSON', \@_,
{name => 'strJSON'},
);
syswrite(*STDOUT, $strJSON);
# On some systems a linefeed will be appended by encode() but others will not have it. In our case there should always
# be a terminating linefeed.
if ($strJSON !~ /\n$/)
{
syswrite(*STDOUT, "\n");
}
}
####################################################################################################################################
# formatText
#
# Format --output=text info.
####################################################################################################################################
sub formatText
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oyStanzaList,
) =
logDebugParam
(
__PACKAGE__ . '->formatText', \@_,
{name => 'oyStanzaList', trace => true},
);
my $strOutput;
foreach my $oStanzaInfo (@{$oyStanzaList})
{
# Output stanza name and status
$strOutput .= (defined($strOutput) ? "\n" : '') . $self->formatTextStanza($oStanzaInfo) . "\n";
# Initialize the flag to indicate the first DB in the INFO_BACKUP_SECTION_DB is the current database
my $bDbCurrent = true;
# Loop through the DB history array for the stanza from newest to oldest
foreach my $hDbInfo (reverse @{$oStanzaInfo->{&INFO_BACKUP_SECTION_DB}})
{
$strOutput .= $bDbCurrent ? "\n db (current)" : "\n db (prior)";
$bDbCurrent = false;
# Get the archive information for the DB
foreach my $hDbArchive (@{$oStanzaInfo->{&INFO_SECTION_ARCHIVE}})
{
if ($hDbArchive->{&INFO_SECTION_DB}{&INFO_HISTORY_ID} == $hDbInfo->{&INFO_HISTORY_ID})
{
# Output archive start / stop values
$strOutput .= "\n wal archive min/max (" . $hDbArchive->{&INFO_KEY_ID} . "): ";
if (defined($hDbArchive->{&INFO_KEY_MIN}))
{
$strOutput .= $hDbArchive->{&INFO_KEY_MIN} . ' / ' . $hDbArchive->{&INFO_KEY_MAX};
}
else
{
$strOutput .= 'none present';
}
$strOutput .= "\n";
}
}
# Get information for each stanza backup for the DB, from oldest to newest
foreach my $oBackupInfo (@{$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}})
{
if ($oBackupInfo->{&INFO_SECTION_DB}{&INFO_KEY_ID} == $hDbInfo->{&INFO_HISTORY_ID})
{
$strOutput .= "\n" . $self->formatTextBackup($oBackupInfo) . "\n";
}
}
}
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'strOutput', value => $strOutput, trace => true}
);
}
####################################################################################################################################
# formatTextStanza
#
# Format --output=text stanza info.
####################################################################################################################################
sub formatTextStanza
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oStanzaInfo,
) =
logDebugParam
(
__PACKAGE__ . '->formatTextStanza', \@_,
{name => 'oStanzaInfo', trace => true},
);
# Output stanza name and status
my $strOutput =
'stanza: ' . $oStanzaInfo->{&INFO_STANZA_NAME} . "\n" .
" status: " . ($oStanzaInfo->{&INFO_SECTION_STATUS}{&INFO_KEY_CODE} == 0 ? INFO_STANZA_STATUS_OK :
INFO_STANZA_STATUS_ERROR . ' (' . $oStanzaInfo->{&INFO_SECTION_STATUS}{&INFO_KEY_MESSAGE} . ')');
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'strOutput', value => $strOutput, trace => true}
);
}
####################################################################################################################################
# formatTextBackup
#
# Format --output=text backup info.
####################################################################################################################################
sub formatTextBackup
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oBackupInfo,
) =
logDebugParam
(
__PACKAGE__ . '->formatTextBackup', \@_,
{name => 'oBackupInfo', trace => true},
);
my $strOutput =
' ' . $$oBackupInfo{&INFO_KEY_TYPE} . ' backup: ' . $$oBackupInfo{&INFO_KEY_LABEL} . "\n" .
' timestamp start/stop: ' .
timestampFormat(undef, $$oBackupInfo{&INFO_SECTION_TIMESTAMP}{&INFO_KEY_START}) .
' / ' .
timestampFormat(undef, $$oBackupInfo{&INFO_SECTION_TIMESTAMP}{&INFO_KEY_STOP}) . "\n" .
" wal start/stop: ";
if (defined($oBackupInfo->{&INFO_SECTION_ARCHIVE}{&INFO_KEY_START}) &&
defined($oBackupInfo->{&INFO_SECTION_ARCHIVE}{&INFO_KEY_STOP}))
{
$strOutput .=
$oBackupInfo->{&INFO_SECTION_ARCHIVE}{&INFO_KEY_START} . ' / ' . $oBackupInfo->{&INFO_SECTION_ARCHIVE}{&INFO_KEY_STOP};
}
else
{
$strOutput .= 'n/a';
}
$strOutput .=
"\n database size: " .
(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_SIZE}) ?
fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_SIZE}) : '') .
', backup size: ' .
(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_DELTA}) ?
fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_KEY_DELTA}) : '') . "\n" .
' repository size: ' .
(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_SIZE}) ?
fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_SIZE}) : '') .
', repository backup size: ' .
(defined($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_DELTA}) ?
fileSizeFormat($$oBackupInfo{&INFO_SECTION_INFO}{&INFO_SECTION_REPO}{&INFO_KEY_DELTA}) : '');
# List the backup reference chain, if any, for this backup
if (defined($oBackupInfo->{&INFO_KEY_REFERENCE}) && @{$oBackupInfo->{&INFO_KEY_REFERENCE}} > 0)
{
$strOutput .= "\n backup reference list: " . (join(', ', @{$$oBackupInfo{&INFO_KEY_REFERENCE}}));
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'strOutput', value => $strOutput, trace => true}
);
}
####################################################################################################################################
# stanzaList
####################################################################################################################################
sub stanzaList
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$strStanza
) =
logDebugParam
(
__PACKAGE__ . '->stanzaList', \@_,
{name => 'strStanza', required => false}
);
my @oyStanzaList;
# Run remotely
if (!isRepoLocal())
{
@oyStanzaList = @{protocolGet(CFGOPTVAL_REMOTE_TYPE_BACKUP)->cmdExecute(OP_INFO_STANZA_LIST, [$strStanza], true)};
}
# Run locally
else
{
my @stryStanza = storageRepo()->list(cfgCommandName(CFGCMD_BACKUP), {bIgnoreMissing => true});
foreach my $strStanzaFound (@stryStanza)
{
if (defined($strStanza) && $strStanza ne $strStanzaFound)
{
next;
}
my $oStanzaInfo = {};
$$oStanzaInfo{&INFO_STANZA_NAME} = $strStanzaFound;
($$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}, $$oStanzaInfo{&INFO_BACKUP_SECTION_DB}) =
$self->backupList($strStanzaFound);
# If there are no backups then set status to no backup
if (@{$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP}} == 0)
{
$$oStanzaInfo{&INFO_SECTION_STATUS} =
{
&INFO_KEY_CODE => INFO_STANZA_STATUS_NO_BACKUP_CODE,
&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_NO_BACKUP_MESSAGE
};
}
# Else status is OK
else
{
$$oStanzaInfo{&INFO_SECTION_STATUS} =
{
&INFO_KEY_CODE => INFO_STANZA_STATUS_OK_CODE,
&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_OK_MESSAGE
};
}
# Array to store tne min/max archive for each database for which there are archives
my @oyDbArchiveList = ();
# Get the current DB info (always last element in the array)
my $hDbCurrent = @{$oStanzaInfo->{&INFO_BACKUP_SECTION_DB}}[-1];
my $strDbCurrentVersion = $hDbCurrent->{&INFO_KEY_VERSION};
my $ullDbCurrentSystemId = $hDbCurrent->{&INFO_KEY_SYSTEM_ID};
# Loop through the DB history from oldest to newest
foreach my $hDbInfo (@{$oStanzaInfo->{&INFO_BACKUP_SECTION_DB}})
{
my $strArchiveStanzaPath = "archive/" . $strStanzaFound;
my $strDbVersion = $hDbInfo->{&INFO_KEY_VERSION};
my $ullDbSysId = $hDbInfo->{&INFO_KEY_SYSTEM_ID};
# With multiple DB versions, the backup.info history-id may not be the same as archive.info history-id, so the
# archive path must be built by retrieving the archive id given the db version and system id of the backup
my $oArchiveInfo = new pgBackRest::Archive::Info(storageRepo()->pathGet($strArchiveStanzaPath));
my $strArchiveId = $oArchiveInfo->archiveId({strDbVersion => $hDbInfo->{&INFO_KEY_VERSION},
ullDbSysId => $hDbInfo->{&INFO_KEY_SYSTEM_ID}});
my $strArchivePath = "archive/${strStanzaFound}/${strArchiveId}";
# Fill in the archive info if available
my $hDbArchive = $self->dbArchiveSection($hDbInfo, $strArchiveId, $strArchivePath, $strDbCurrentVersion,
$ullDbCurrentSystemId);
if (defined($hDbArchive))
{
push(@oyDbArchiveList, $hDbArchive);
}
}
# Store the archive min/max for each database in the archive section
$oStanzaInfo->{&INFO_SECTION_ARCHIVE} = \@oyDbArchiveList;
push @oyStanzaList, $oStanzaInfo;
}
if (defined($strStanza) && @oyStanzaList == 0)
{
my $oStanzaInfo = {};
$$oStanzaInfo{&INFO_STANZA_NAME} = $strStanza;
$$oStanzaInfo{&INFO_SECTION_STATUS} =
{
&INFO_KEY_CODE => INFO_STANZA_STATUS_MISSING_STANZA_CODE,
&INFO_KEY_MESSAGE => INFO_STANZA_STATUS_MISSING_STANZA_MESSAGE
};
$$oStanzaInfo{&INFO_BACKUP_SECTION_BACKUP} = [];
$$oStanzaInfo{&INFO_BACKUP_SECTION_DB} = [];
push @oyStanzaList, $oStanzaInfo;
}
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'oyStanzaList', value => \@oyStanzaList, log => false, ref => true}
);
}
####################################################################################################################################
# backupList
###################################################################################################################################
sub backupList
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$strStanza
) =
logDebugParam
(
__PACKAGE__ . '->backupList', \@_,
{name => 'strStanza'}
);
# Load the backup.info but do not attempt to validate it or confirm it's existence
my $oBackupInfo = new pgBackRest::Backup::Info(storageRepo()->pathGet(
cfgCommandName(CFGCMD_BACKUP) . "/${strStanza}"), false, false, {bIgnoreMissing => true});
# Build the db list
my @oyDbList;
foreach my $iHistoryId ($oBackupInfo->keys(INFO_BACKUP_SECTION_DB_HISTORY))
{
my $oDbHash =
{
&INFO_HISTORY_ID => $iHistoryId,
&INFO_DB_VERSION =>
$oBackupInfo->get(INFO_BACKUP_SECTION_DB_HISTORY, $iHistoryId, INFO_BACKUP_KEY_DB_VERSION),
&INFO_SYSTEM_ID =>
$oBackupInfo->get(INFO_BACKUP_SECTION_DB_HISTORY, $iHistoryId, INFO_BACKUP_KEY_SYSTEM_ID)
};
push(@oyDbList, $oDbHash);
}
# Build the backup list
my @oyBackupList;
foreach my $strBackup ($oBackupInfo->keys(INFO_BACKUP_SECTION_BACKUP_CURRENT))
{
my $oBackupHash =
{
&INFO_SECTION_ARCHIVE =>
{
&INFO_KEY_START =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_ARCHIVE_START, false),
&INFO_KEY_STOP =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_ARCHIVE_STOP, false),
},
&INFO_SECTION_BACKREST =>
{
&INFO_KEY_FORMAT =>
$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INI_KEY_FORMAT),
&INFO_KEY_VERSION =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INI_KEY_VERSION)
},
&INFO_SECTION_DB =>
{
&INFO_KEY_ID =>
$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_HISTORY_ID)
},
&INFO_SECTION_INFO =>
{
&INFO_SECTION_REPO =>
{
# Size of the backup in the repository, taking compression into account
&INFO_KEY_SIZE =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_REPO_SIZE),
# Size of this backup only (does not include referenced backups like repo->size)
&INFO_KEY_DELTA =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_REPO_SIZE_DELTA),
},
# Original database size
&INFO_KEY_SIZE =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_SIZE),
# Amount of database backed up (will be equal for full backups)
&INFO_KEY_DELTA =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_BACKUP_SIZE_DELTA),
},
&INFO_SECTION_TIMESTAMP =>
{
&INFO_KEY_START =>
$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TIMESTAMP_START),
&INFO_KEY_STOP =>
$oBackupInfo->numericGet(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TIMESTAMP_STOP),
},
&INFO_KEY_LABEL => $strBackup,
&INFO_KEY_PRIOR =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_PRIOR, false),
&INFO_KEY_REFERENCE =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_REFERENCE, false),
&INFO_KEY_TYPE =>
$oBackupInfo->get(INFO_BACKUP_SECTION_BACKUP_CURRENT, $strBackup, INFO_BACKUP_KEY_TYPE)
};
push(@oyBackupList, $oBackupHash);
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'oyBackupList', value => \@oyBackupList, log => false, ref => true},
{name => 'oyDbList', value => \@oyDbList, log => false, ref => true}
);
}
####################################################################################################################################
# dbArchiveSection - fills the archive section for a db. Note this is a function in order to aid unit test coverage.
####################################################################################################################################
sub dbArchiveSection
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$hDbInfo,
$strArchiveId,
$strArchivePath,
$strDbCurrentVersion,
$ullDbCurrentSystemId,
) =
logDebugParam
(
__PACKAGE__ . '->dbArchiveSection', \@_,
{name => 'hDbInfo'},
{name => 'strArchiveId'},
{name => 'strArchivePath'},
{name => 'strDbCurrentVersion'},
{name => 'ullDbCurrentSystemId'},
);
my $hDbArchive = undef;
my $strArchiveStart = undef;
my $strArchiveStop = undef;
if (storageRepo()->pathExists($strArchivePath))
{
my @stryWalMajor = storageRepo()->list($strArchivePath, {strExpression => '^[0-F]{16}$'});
# Get first WAL segment
foreach my $strWalMajor (@stryWalMajor)
{
my @stryWalFile = storageRepo()->list(
"${strArchivePath}/${strWalMajor}",
{strExpression => "^[0-F]{24}-[0-f]{40}(\\." . COMPRESS_EXT . "){0,1}\$"});
if (@stryWalFile > 0)
{
$strArchiveStart = substr($stryWalFile[0], 0, 24);
last;
}
}
# Get last WAL segment
foreach my $strWalMajor (sort({$b cmp $a} @stryWalMajor))
{
my @stryWalFile = storageRepo()->list(
"${strArchivePath}/${strWalMajor}",
{strExpression => "^[0-F]{24}-[0-f]{40}(\\." . COMPRESS_EXT . "){0,1}\$", strSortOrder => 'reverse'});
if (@stryWalFile > 0)
{
$strArchiveStop = substr($stryWalFile[0], 0, 24);
last;
}
}
}
# If there is an archive or the database is the current database then store it
if (($strDbCurrentVersion eq $hDbInfo->{&INFO_KEY_VERSION} &&
$ullDbCurrentSystemId == $hDbInfo->{&INFO_KEY_SYSTEM_ID}) ||
defined($strArchiveStart) )
{
$hDbArchive =
{
&INFO_KEY_ID => $strArchiveId,
&INFO_KEY_MIN => $strArchiveStart,
&INFO_KEY_MAX => $strArchiveStop,
&INFO_SECTION_DB =>
{
&INFO_HISTORY_ID => $hDbInfo->{&INFO_HISTORY_ID},
},
};
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'hDbArchive', value => $hDbArchive, trace => true},
);
}
1;