1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/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-sync";
my $dp = new DSNParser(opts=>$dsn_opts);
my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
my $master_dbh = $sb->get_dbh_for('master');
my $slave_dbh = $sb->get_dbh_for('slave1');
if ( !$master_dbh ) {
plan skip_all => 'Cannot connect to sandbox master';
}
elsif ( !$slave_dbh ) {
plan skip_all => 'Cannot connect to sandbox slave';
}
else {
plan tests => 5;
}
my $output;
my @args = ('--sync-to-master', 'h=127.1,P=12346,u=msandbox,p=msandbox', qw(--print -v));
$sb->load_file('master', 't/pt-table-sync/samples/lag-slave.sql');
wait_until(
sub {
my $row;
eval {
$row = $slave_dbh->selectrow_hashref("select * from test.t2");
};
return 1 if $row && $row->{id};
},
);
sub lag_slave {
my $dbh = $sb->get_dbh_for('master');
for (1..10) {
$dbh->do("update test.t1 set i=sleep(3) limit 1");
}
$dbh->disconnect;
return;
}
my $pid = fork();
if ( !$pid ) {
# child
lag_slave();
exit;
}
# parent
PerconaTest::wait_until(sub {
$slave_dbh->selectrow_hashref("show slave status")->{seconds_behind_master}
}) or do {
kill 15, $pid;
waitpid ($pid, 0);
die "Slave did not lag";
};
my $start = time;
$output = output(
sub { pt_table_sync::main(@args, qw(-t test.t2)) },
);
my $t = time - $start;
like(
$output,
qr/Chunk\s+\S+\s+\S+\s+0\s+test\.t2/,
"Synced table"
);
cmp_ok(
$t,
'>',
1,
"Sync waited $t seconds for master"
);
# Repeat the test with --wait 0 to test that the sync happens without delay.
PerconaTest::wait_until(sub {
$slave_dbh->selectrow_hashref("show slave status")->{seconds_behind_master}
}) or do {
kill 15, $pid;
waitpid ($pid, 0);
die "Slave did not lag";
};
$start = time;
$output = output(
sub { pt_table_sync::main(@args, qw(-t test.t2 --wait 0)) },
);
$t = time - $start;
like(
$output,
qr/Chunk\s+\S+\s+\S+\s+0\s+test\.t2/,
"Synced table"
);
cmp_ok(
$t,
'<=',
1,
"Sync did not wait for master with --wait 0 ($t seconds)"
);
# #############################################################################
# Done.
# #############################################################################
kill 15, $pid;
waitpid ($pid, 0);
$sb->wipe_clean($master_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
exit;
|
