Files
percona-toolkit/t/pt-query-digest/mirror.t
2012-03-06 13:23:20 -07:00

107 lines
3.3 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 Time::HiRes qw(sleep);
use PerconaTest;
use DSNParser;
use Sandbox;
my $dp = new DSNParser(opts=>$dsn_opts);
my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
my $dbh1 = $sb->get_dbh_for('master');
my $dbh2 = $sb->get_dbh_for('slave1');
if ( !$dbh1 ) {
plan skip_all => 'Cannot connect to sandbox master';
}
elsif ( !$dbh2 ) {
plan skip_all => 'Cannot connect to sandbox slave';
}
else {
plan tests => 4;
}
my $output;
my $cmd;
my $pid_file = "/tmp/pt-query-digest-mirror-test.pid";
diag(`rm $pid_file 2>/dev/null`);
# ##########################################################################
# Tests for swapping --processlist and --execute
# ##########################################################################
$dbh1->do('set global read_only=0');
$dbh2->do('set global read_only=1');
$cmd = "$trunk/bin/pt-query-digest "
. "--processlist h=127.1,P=12345,u=msandbox,p=msandbox "
. "--execute h=127.1,P=12346,u=msandbox,p=msandbox --mirror 1 "
. "--pid $pid_file";
$ENV{PTDEBUG}=1;
`$cmd > /tmp/read_only.txt 2>&1 &`;
$ENV{MKDEBUG}=0;
sleep 3;
$dbh1->do('select sleep(1)');
sleep 1;
$dbh1->do('set global read_only=1');
$dbh2->do('set global read_only=0');
$dbh1->do('select sleep(1)');
sleep 1;
chomp(my $pid = `cat $pid_file`);
kill 15, $pid;
sleep 0.25;
# Verify that it's dead...
$output = `ps x | grep '^[ ]*$pid'`;
is(
$output,
'',
'It is stopped now'
);
$output = `ps -p $pid`;
unlike($output, qr/pt-query-digest/, 'It is stopped now');
$output = `grep read_only /tmp/read_only.txt`;
# Sample output:
# # main:3619 6897 read_only on execute for --execute: 1 (want 1)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
# # main:3619 6897 read_only on execute for --execute: 0 (want 1)
# # main:3622 6897 read_only wrong for --execute getting a dbh from processlist
# # main:3619 6897 read_only on processlist for --processlist: 1 (want 0)
# # main:3622 6897 read_only wrong for --processlist getting a dbh from execute
# # main:3619 6897 read_only on processlist for --execute: 1 (want 1)
# # main:3619 6897 read_only on execute for --processlist: 0 (want 0)
like($output, qr/wrong for --execute getting a dbh from processlist/,
'switching --processlist works');
like($output, qr/wrong for --processlist getting a dbh from execute/,
'switching --execute works');
diag(`rm -rf /tmp/read_only.txt`);
# #############################################################################
# Done.
# #############################################################################
diag(`rm $pid_file 2>/dev/null`);
$dbh1->do('set global read_only=0');
$dbh2->do('set global read_only=1');
$sb->wipe_clean($dbh1);
exit;