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fixed skipping multiple events

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root
2014-04-30 13:57:53 +00:00
parent b7e0c17b01
commit bdd969dbdd
2 changed files with 64 additions and 52 deletions
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24
bin/pt-slave-restart
View File

@@ -5063,19 +5063,29 @@ sub watch_server {
# get the highest id by sorting the array, removing the undef value
my @gtid_exec_sorted = sort { $a <=> $b }
grep { defined($_) } @gtid_exec_ranges;
my $gtid_next = $gtid_exec_sorted[-1] + $o->get('skip-count');
my $gtid_exec_last = $gtid_exec_sorted[-1];
PTDEBUG && _d("GTID: master_uuid:$gtid_masteruuid,\n"
. "GTID: executed_gtid_set:$gtid_exec,\n"
. "GTID: gtid max for master_uuid:" . $gtid_exec_sorted[-1] . "\n"
. "GTID: next gtid:'$gtid_masteruuid:$gtid_next'");
. "GTID: last executed gtid:'$gtid_masteruuid:$gtid_exec_last'");
# Set the sessions next gtid, write an empty transaction
my $gtid_set_next = $dbh->prepare("SET GTID_NEXT='"
. $gtid_masteruuid . ":" . $gtid_next . "'");
$gtid_set_next->execute();
$dbh->begin_work();
$dbh->commit();
my $skipped=0;
until ( $skipped == $o->get('skip-count') ) {
$skipped++;
my $gtid_next=$gtid_exec_last + $skipped;
PTDEBUG && _d("GTID: Skipping " . $gtid_masteruuid . ":" . $gtid_next);
my $gtid_set_next = $dbh->prepare("SET GTID_NEXT='"
. $gtid_masteruuid . ":" . $gtid_next . "'");
$gtid_set_next->execute();
$dbh->begin_work();
$dbh->commit();
}
# Set the session back to the automatically generated GTID_NEXT.
my $gtid_automatic = $dbh->prepare("SET GTID_NEXT='AUTOMATIC'");

92
t/pt-slave-restart/gtid.t
View File

@@ -16,7 +16,8 @@ use Sandbox;
require "$trunk/bin/pt-slave-restart";
if ( $sandbox_version lt '5.6' ) {
plan skip_all => 'MySQL Version < 5.6, GTID is not available, skipping tests';
plan skip_all => 'MySQL Version ' . $sandbox_version
. ' < 5.6, GTID is not available, skipping tests';
}
diag("Stopping/reconfiguring/restarting sandboxes 12345, 12346 and 12347");
@@ -40,6 +41,9 @@ elsif ( !$slave2_dbh ) {
plan skip_all => 'Cannot connect to sandbox slave2';
}
# #############################################################################
# basic test to see if restart works
# #############################################################################
$master_dbh->do('DROP DATABASE IF EXISTS test');
$master_dbh->do('CREATE DATABASE test');
$master_dbh->do('CREATE TABLE test.t (a INT)');
@@ -56,64 +60,62 @@ wait_until(
);
my $r = $slave_dbh->selectrow_hashref('show slave status');
like($r->{last_error}, qr/Table 'test.t' doesn't exist'/, 'It is busted');
like($r->{last_error}, qr/Table 'test.t' doesn't exist'/, 'slave: Replication broke');
# Start an instance
diag(`$trunk/bin/pt-slave-restart --max-sleep .25 -h 127.0.0.1 -P 12346 -u msandbox -p msandbox --daemonize --pid /tmp/pt-slave-restart.pid --log /tmp/pt-slave-restart.log`);
my $output = `ps x | grep 'pt-slave-restart \-\-max\-sleep ' | grep -v grep | grep -v pt-slave-restart.t`;
like($output, qr/pt-slave-restart --max/, 'It lives');
sleep 1;
unlike($output, qr/Table 'test.t' doesn't exist'/, 'It is not busted');
$r = $slave_dbh->selectrow_hashref('show slave status');
like($r->{last_errno}, qr/^0$/, 'slave: event is not skipped successfully');
ok(-f '/tmp/pt-slave-restart.pid', 'PID file created');
ok(-f '/tmp/pt-slave-restart.log', 'Log file created');
my ($pid) = $output =~ /^\s*(\d+)\s+/;
$output = `cat /tmp/pt-slave-restart.pid`;
is($output, $pid, 'PID file has correct PID');
diag(`$trunk/bin/pt-slave-restart --stop -q`);
sleep 1;
my $output = `ps -eaf | grep pt-slave-restart | grep -v grep`;
unlike($output, qr/pt-slave-restart --max/, 'slave: stopped pt-slave-restart successfully');
diag(`rm -f /tmp/pt-slave-re*`);
# # #############################################################################
# # test the slave of the master
# # #############################################################################
$master_dbh->do('DROP DATABASE IF EXISTS test');
$master_dbh->do('CREATE DATABASE test');
$master_dbh->do('CREATE TABLE test.t (a INT)');
$sb->wait_for_slaves;
# Bust replication
$slave2_dbh->do('DROP TABLE test.t');
$master_dbh->do('INSERT INTO test.t SELECT 1');
wait_until(
sub {
my $row = $slave2_dbh->selectrow_hashref('show slave status');
return $row->{last_sql_errno};
}
);
$r = $slave2_dbh->selectrow_hashref('show slave status');
like($r->{last_error}, qr/Table 'test.t' doesn't exist'/, 'slaveofslave: Replication broke');
# Start an instance
diag(`$trunk/bin/pt-slave-restart --max-sleep .25 -h 127.0.0.1 -P 12347 -u msandbox -p msandbox --daemonize --pid /tmp/pt-slave-restart.pid --log /tmp/pt-slave-restart.log`);
sleep 1;
$r = $slave2_dbh->selectrow_hashref('show slave status');
like($r->{last_errno}, qr/^0$/, 'slaveofslave: event is not skipped successfully');
diag(`$trunk/bin/pt-slave-restart --stop -q`);
sleep 1;
$output = `ps -eaf | grep pt-slave-restart | grep -v grep`;
unlike($output, qr/pt-slave-restart --max/, 'It is dead');
unlike($output, qr/pt-slave-restart --max/, 'slaveofslave: stopped pt-slave-restart successfully');
diag(`rm -f /tmp/pt-slave-re*`);
ok(! -f '/tmp/pt-slave-restart.pid', 'PID file removed');
# #############################################################################
# Issue 459: mk-slave-restart --error-text is broken
# #############################################################################
# Bust replication again. At this point, the master has test.t but
# the slave does not.
$master_dbh->do('DROP TABLE IF EXISTS test.t');
$master_dbh->do('CREATE TABLE test.t (a INT)');
sleep 1;
$slave_dbh->do('DROP TABLE test.t');
$master_dbh->do('INSERT INTO test.t SELECT 1');
$output = `/tmp/12346/use -e 'show slave status'`;
like(
$output,
qr/Table 'test.t' doesn't exist'/,
'It is busted again'
);
# Start an instance
$output = `$trunk/bin/pt-slave-restart --max-sleep .25 -h 127.0.0.1 -P 12346 -u msandbox -p msandbox --error-text "doesn't exist" --run-time 1s 2>&1`;
unlike(
$output,
qr/Error does not match/,
'--error-text works (issue 459)'
);
# #############################################################################
# Done.
# #############################################################################
diag(`rm -f /tmp/pt-slave-re*`);
$sb->wipe_clean($master_dbh);
$sb->wipe_clean($slave_dbh);
diag(`$trunk/sandbox/test-env stop >/dev/null`);
diag(`$trunk/sandbox/test-env start >/dev/null`);
# diag(`$trunk/sandbox/test-env stop >/dev/null`);
# diag(`$trunk/sandbox/test-env start >/dev/null`);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
#ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
done_testing;