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package GenTest::Reporter::RecoveryConsistency;
require Exporter;
@ISA = qw(GenTest::Reporter);
use strict;
use DBI;
use GenTest;
use GenTest::Constants;
use GenTest::Reporter;
sub monitor {
my $reporter = shift;
my $pid = $reporter->serverInfo('pid');
if (time() > $reporter->testEnd() - 10) {
say("Sending SIGKILL to mysqld with pid $pid in order to force a recovery.");
kill(9, $pid);
return STATUS_SERVER_KILLED;
} else {
return STATUS_OK;
}
}
sub report {
my $reporter = shift;
my $binary = $reporter->serverInfo('binary');
my $language = $reporter->serverVariable('language');
my $datadir = $reporter->serverVariable('datadir');
$datadir =~ s{[\\/]$}{}sgio;
my $recovery_datadir = $datadir.'_recovery';
my $socket = $reporter->serverVariable('socket');
my $port = $reporter->serverVariable('port');
my $pid = $reporter->serverInfo('pid');
say("Sending SIGKILL to mysqld with pid $pid in order to force a recovery.");
kill(9, $pid);
sleep(10);
system("cp -r $datadir $recovery_datadir");
say("Attempting database recovery...");
my @mysqld_options = (
'--no-defaults',
'--core-file',
'--loose-console',
'--loose-falcon-debug-mask=65535',
'--language='.$language,
'--datadir="'.$recovery_datadir.'"',
'--socket="'.$socket.'"',
'--port='.$port
);
my $mysqld_command = $binary.' '.join(' ', @mysqld_options).' 2>&1';
say("Executing $mysqld_command .");
open(MYSQLD, "$mysqld_command|");
my $recovery_status = STATUS_OK;
while (<MYSQLD>) {
$_ =~ s{[\r\n]}{}siog;
say($_);
if ($_ =~ m{exception}sio) {
$recovery_status = STATUS_DATABASE_CORRUPTION;
} elsif ($_ =~ m{ready for connections}sio) {
say("Server Recovery was apparently successfull.") if $recovery_status == STATUS_OK ;
last;
} elsif ($_ =~ m{got signal}sio) {
$recovery_status = STATUS_DATABASE_CORRUPTION;
}
}
say("Checking database consistency...");
my $dbh = DBI->connect($reporter->dsn());
my $tables = $dbh->selectcol_arrayref("SHOW TABLES");
foreach my $table (@$tables) {
my $average = $dbh->selectrow_array("
SELECT (SUM(`int_key`) + SUM(`int`)) / COUNT(*)
FROM `$table`
");
if ($average ne '200.0000') {
say("Bad average on table: $table; average: $average");
$recovery_status = STATUS_DATABASE_CORRUPTION;
} else {
say("Average is $average");
}
}
say("Shutting down the recovered server...");
if (not defined $dbh) {
$recovery_status = STATUS_DATABASE_CORRUPTION;
} else {
$dbh->func('shutdown', 'admin');
}
close(MYSQLD);
if ($recovery_status > STATUS_OK) {
say("Recovery has failed.");
}
return $recovery_status;
}
sub type {
return REPORTER_TYPE_CRASH | REPORTER_TYPE_DEADLOCK | REPORTER_TYPE_SUCCESS | REPORTER_TYPE_PERIODIC | REPORTER_TYPE_SERVER_KILLED;
}
1;
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