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#!/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 $source_dbh = $sb->get_dbh_for('source');
my $replica_dbh = $sb->get_dbh_for('replica1');
if ( !$source_dbh ) {
plan skip_all => 'Cannot connect to sandbox source';
}
elsif ( !$replica_dbh ) {
plan skip_all => 'Cannot connect to sandbox replica';
}
else {
plan tests => 5;
}
my $output;
my @args = ('--sync-to-source', 'h=127.1,P=12346,u=msandbox,p=msandbox', qw(--print -v));
$sb->load_file('source', 't/pt-table-sync/samples/lag-slave.sql');
wait_until(
sub {
my $row;
eval {
$row = $replica_dbh->selectrow_hashref("select * from test.t2");
};
return 1 if $row && $row->{id};
},
);
sub lag_replica {
my $dbh = $sb->get_dbh_for('source');
for (1..10) {
$dbh->do("update test.t1 set i=sleep(3) limit 1");
}
$dbh->disconnect;
return;
}
my $pid = fork();
if ( !$pid ) {
# child
lag_replica();
exit;
}
# We need to sleep here to get child process to start
sleep(2);
# parent
PerconaTest::wait_until(sub {
$replica_dbh->selectrow_hashref("show ${replica_name} status")->{"seconds_behind_${source_name}"}
}) or do {
kill 15, $pid;
waitpid ($pid, 0);
die "Replica 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 source"
);
# Repeat the test with --wait 0 to test that the sync happens without delay.
PerconaTest::wait_until(sub {
$replica_dbh->selectrow_hashref("show ${replica_name} status")->{"seconds_behind_${source_name}"}
}) or do {
kill 15, $pid;
waitpid ($pid, 0);
die "Replica 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(
$t,
'<=',
1,
"Sync did not wait for source with --wait 0 ($t seconds)"
);
# #############################################################################
# Done.
# #############################################################################
kill 15, $pid;
waitpid ($pid, 0);
$sb->wipe_clean($source_dbh);
ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
exit;
|
