mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-07 04:49:48 +00:00
287 lines
8.1 KiB
Perl
287 lines
8.1 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
BEGIN {
|
|
die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
|
|
unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
|
|
unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
|
|
};
|
|
|
|
use strict;
|
|
use warnings FATAL => 'all';
|
|
use English qw(-no_match_vars);
|
|
use Test::More;
|
|
|
|
use PerconaTest;
|
|
use Sandbox;
|
|
require "$trunk/bin/pt-table-checksum";
|
|
|
|
diag(`$trunk/sandbox/test-env reset`);
|
|
diag(`$trunk/sandbox/stop-sandbox 12347 >/dev/null`);
|
|
diag(`$trunk/sandbox/start-sandbox slave 12347 12346 >/dev/null`);
|
|
|
|
my $dp = new DSNParser(opts=>$dsn_opts);
|
|
my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
|
|
my $master_dbh = $sb->get_dbh_for('master');
|
|
my $slave1_dbh = $sb->get_dbh_for('slave1');
|
|
my $slave2_dbh = $sb->get_dbh_for('slave2');
|
|
|
|
if ( !$master_dbh ) {
|
|
plan skip_all => 'Cannot connect to sandbox master';
|
|
}
|
|
elsif ( !$slave1_dbh ) {
|
|
plan skip_all => 'Cannot connect to sandbox slave1';
|
|
}
|
|
elsif ( !$slave2_dbh ) {
|
|
plan skip_all => 'Cannot connect to sandbox slave2';
|
|
}
|
|
else {
|
|
plan tests => 21;
|
|
}
|
|
|
|
my $output;
|
|
my $row;
|
|
my $cnf ='/tmp/12345/my.sandbox.cnf';
|
|
my @args = (qw(--replicate test.checksum --empty-replicate-table -d test -t resume -q), '-F', $cnf, 'h=127.1');
|
|
|
|
$sb->create_dbs($master_dbh, [qw(test)]);
|
|
$sb->load_file('master', 't/pt-table-checksum/samples/checksum_tbl.sql');
|
|
# We're not using resume table for anything specific, we just need
|
|
# any table to checksum.
|
|
$sb->load_file('master', 't/pt-table-checksum/samples/resume.sql');
|
|
|
|
wait_until( # slaves aren't lagging
|
|
sub {
|
|
$row = $slave1_dbh->selectrow_hashref('show slave status');
|
|
return 0 if $row->{Seconds_Behind_Master};
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
return 0 if $row->{Seconds_Behind_Master};
|
|
return 1;
|
|
}, 0.5, 10);
|
|
|
|
pt_table_checksum::main(@args);
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Throttle slavelag, no slave lag'
|
|
);
|
|
|
|
# By default --throttle-method should find all slaves and wait for the most
|
|
# lagged one. If we stop slave sql_thread on slave2, mk-table-checksum
|
|
# should see this (as undef lag) and wait. While it's waiting, no
|
|
# checksum should appear in the repl table.
|
|
$slave2_dbh->do('stop slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave2'
|
|
);
|
|
|
|
# wait_for() is going to die() when its alarm goes off, and mk-table-checksum
|
|
# is going to catch this and complain. We can ignore it.
|
|
{
|
|
local *STDERR;
|
|
open STDERR, ">/dev/null"
|
|
or die "Cannot redirect STDERR to /dev/null: $OS_ERROR";
|
|
wait_for(sub { pt_table_checksum::main(@args); }, 2);
|
|
}
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
0,
|
|
'Throttle slavelag waited for slave2'
|
|
);
|
|
|
|
$slave2_dbh->do('start slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'Yes',
|
|
'Started slave SQL thread on slave2'
|
|
) or BAIL_OUT("Failed to restart SQL thread on slave2 (12347)");
|
|
|
|
# Repeat the test but this time re-enable slave2 while mk-table-checksum
|
|
# is waiting and it should checksum the table.
|
|
$slave2_dbh->do('stop slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave2'
|
|
);
|
|
|
|
system("sleep 2 && /tmp/12347/use -e 'start slave sql_thread' >/dev/null 2>/dev/null &");
|
|
|
|
# This time we do not need to capture STDERR because mk-table-checksum
|
|
# should see slave2 come alive in 2 seconds then return before wait_for
|
|
# dies.
|
|
wait_for(sub { pt_table_checksum::main(@args); }, 5);
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Throttle slavelag waited for slave2 and continue when it was ready'
|
|
);
|
|
|
|
|
|
# #############################################################################
|
|
# --check-slave-lag
|
|
# #############################################################################
|
|
|
|
# Before --throttle-method this stuff was handled by --check-slave-lag which
|
|
# specifies one slave. Because Ryan flogs me severely when I break
|
|
# backwards compatibility, specifying --check-slave-lag limits --throttle-method
|
|
# to that one slave. To check this we stop slave sql_thread on slave2
|
|
# and specify slave1. The checksum should proceed because slave2 should
|
|
# be ignored.
|
|
|
|
$slave2_dbh->do('stop slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave2'
|
|
);
|
|
|
|
wait_for(sub { pt_table_checksum::main(@args, qw(--check-slave-lag P=12346)); }, 2);
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Throttle slavelag checked only --check-slave-lag'
|
|
);
|
|
|
|
# Start slave2 sql_thread and stop slave1 sql_thread and test that
|
|
# mk-table-checksum is really checking and waiting for just --slave-lag-dbh.
|
|
$slave2_dbh->do('start slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'Yes',
|
|
'Started slave SQL thread on slave2'
|
|
) or BAIL_OUT("Failed to restart SQL thread on slave2 (12347)");
|
|
|
|
$slave1_dbh->do('stop slave sql_thread');
|
|
$row = $slave1_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave1'
|
|
);
|
|
|
|
{
|
|
local *STDERR;
|
|
open STDERR, ">/dev/null"
|
|
or die "Cannot redirect STDERR to /dev/null: $OS_ERROR";
|
|
wait_for(sub { pt_table_checksum::main(@args, qw(--check-slave-lag P=12346)); }, 2);
|
|
}
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
0,
|
|
'Throttle slavelag waited for --check-slave-lag'
|
|
);
|
|
|
|
|
|
$slave1_dbh->do('start slave sql_thread');
|
|
$row = $slave1_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'Yes',
|
|
'Started slave SQL thread on slave1'
|
|
) or BAIL_OUT("Failed to restart SQL thread on slave1 (12346)");
|
|
|
|
# Clear out all checksum tables before next test where we'll stop slaves
|
|
# and test throttle method "none".
|
|
$master_dbh->do('TRUNCATE TABLE test.checksum');
|
|
sleep 1;
|
|
|
|
$slave1_dbh->do('stop slave sql_thread');
|
|
$row = $slave1_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave1'
|
|
);
|
|
|
|
# Disable throttle explicitly.
|
|
|
|
$slave2_dbh->do('stop slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'No',
|
|
'Stopped slave SQL thread on slave2'
|
|
);
|
|
|
|
# All slaves are stopped at this point.
|
|
wait_for(sub { pt_table_checksum::main(@args, qw(--throttle-method none)) }, 2);
|
|
|
|
$row = $master_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Throttle none'
|
|
);
|
|
|
|
$row = $slave1_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
0,
|
|
'No checksum replicated to slave1 yet'
|
|
);
|
|
|
|
$row = $slave2_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
0,
|
|
'No checksum replicated to slave2 yet'
|
|
);
|
|
|
|
|
|
$slave1_dbh->do('start slave sql_thread');
|
|
$row = $slave1_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'Yes',
|
|
'Started slave SQL thread on slave1'
|
|
) or BAIL_OUT("Failed to restart SQL thread on slave1 (12346)");
|
|
|
|
$slave2_dbh->do('start slave sql_thread');
|
|
$row = $slave2_dbh->selectrow_hashref('show slave status');
|
|
is(
|
|
$row->{slave_sql_running},
|
|
'Yes',
|
|
'Started slave SQL thread on slave2'
|
|
) or BAIL_OUT("Failed to restart SQL thread on slave2 (12347)");
|
|
|
|
sleep 1;
|
|
|
|
$row = $slave1_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Checksum replicated to slave1'
|
|
);
|
|
|
|
$row = $slave2_dbh->selectall_arrayref('select * from test.checksum');
|
|
is(
|
|
scalar @$row,
|
|
1,
|
|
'Checksum replicated to slave2'
|
|
);
|
|
|
|
# #############################################################################
|
|
# Done.
|
|
# #############################################################################
|
|
diag(`$trunk/sandbox/stop-sandbox 12347 >/dev/null`);
|
|
$sb->wipe_clean($master_dbh);
|
|
diag(`$trunk/sandbox/test-env reset >/dev/null`);
|
|
exit;
|