Files
percona-toolkit/t/pt-table-checksum/throttle.t
2011-10-17 11:41:02 -06:00

99 lines
2.8 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";
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 => 4;
}
# The sandbox servers run with lock_wait_timeout=3 and it's not dynamic
# so we need to specify --lock-wait-timeout=3 else the tool will die.
my $master_dsn = 'h=127.1,P=12345,u=msandbox,p=msandbox';
my @args = ($master_dsn, qw(--lock-wait-timeout 3));
my $output;
my $row;
my $exit_status;
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;
}
) or die "Slaves are still lagging";
# ############################################################################
# --check-slave-lag
# ############################################################################
$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'
);
$exit_status = pt_table_checksum::main(@args, qw(-t sakila.city --quiet),
qw(--no-replicate-check), '--check-slave-lag', 'P=12347');
is(
$exit_status,
0,
"Ignores slave1 when --check-slave-lag=slave2"
);
$row = $master_dbh->selectall_arrayref("select * from percona.checksums where db='sakila' and tbl='city'");
is(
scalar @$row,
1,
"Checksummed table"
);
# 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.
$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 slave2 (12347)");
# #############################################################################
# Done.
# #############################################################################
$sb->wipe_clean($master_dbh);
exit;