mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-04 11:37:16 +00:00
112 lines
4.0 KiB
Perl
112 lines
4.0 KiB
Perl
#!/usr/bin/env perl
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BEGIN {
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die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
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unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
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unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
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};
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use strict;
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use warnings FATAL => 'all';
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use threads;
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use English qw(-no_match_vars);
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use Test::More;
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use Data::Dumper;
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use PerconaTest;
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use Sandbox;
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use SqlModes;
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use File::Temp qw/ tempdir tempfile /;
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if ($ENV{PERCONA_SLOW_BOX}) {
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plan skip_all => 'This test needs a fast machine';
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} else {
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plan tests => 2;
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}
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our $delay = 30;
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my $tmp_file = File::Temp->new();
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my $tmp_file_name = $tmp_file->filename;
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unlink $tmp_file_name;
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require "$trunk/bin/pt-online-schema-change";
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my $dp = new DSNParser(opts=>$dsn_opts);
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my $sb = new Sandbox(basedir => '/tmp', DSNParser => $dp);
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my $source_dbh = $sb->get_dbh_for('source');
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my $replica1_dbh = $sb->get_dbh_for('replica1');
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my $replica2_dbh = $sb->get_dbh_for('replica2');
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my $source_dsn = 'h=127.0.0.1,P=12345,u=msandbox,p=msandbox';
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my $replica_dsn1 = 'h=127.0.0.1,P=12346,u=msandbox,p=msandbox';
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my $replica_dsn2 = 'h=127.0.0.1,P=12347,u=msandbox,p=msandbox';
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sub reset_query_cache {
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my @dbhs = @_;
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return if ($sandbox_version ge '8.0');
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foreach my $dbh (@dbhs) {
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$dbh->do('RESET QUERY CACHE');
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}
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}
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diag('Loading test data');
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$sb->load_file('source', "t/pt-online-schema-change/samples/pt-2241.sql");
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# Should be greater than chunk-size and big enough, so pt-osc will wait for delay
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my $num_rows = 5000;
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diag("Loading $num_rows into the table. This might take some time.");
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diag(`util/mysql_random_data_load --host=127.0.0.1 --port=12345 --user=msandbox --password=msandbox test pt2241 $num_rows`);
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$sb->wait_for_replicas();
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diag("Setting replicas delay to $delay seconds");
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$replica1_dbh->do("STOP ${replica_name}");
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$replica1_dbh->do("CHANGE ${source_change} TO ${source_name}_DELAY=$delay");
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$replica1_dbh->do("START ${replica_name}");
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$replica2_dbh->do("STOP ${replica_name}");
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$replica2_dbh->do("CHANGE ${source_change} TO ${source_name}_DELAY=$delay");
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$replica2_dbh->do("START ${replica_name}");
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# using --skip-check-replica-lag
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# Run a full table scan query to ensure the replica is behind the source
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reset_query_cache($source_dbh, $source_dbh);
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# Update one row so replica is delayed
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$source_dbh->do('UPDATE `test`.`pt2241` SET tcol2 = tcol2 + 1 LIMIT 1');
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$source_dbh->do('UPDATE `test`.`pt2241` SET tcol2 = tcol2 + 1 WHERE tcol1 = ""');
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# We need to sleep, otherwise pt-osc can finish before replica is delayed
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my $max_lag = $delay / 2;
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sleep($max_lag);
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my $args = "$source_dsn,D=test,t=pt2241 --execute --chunk-size 1 --max-lag $max_lag --alter 'ENGINE=InnoDB' "
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. "--skip-check-replica-lag h=127.0.0.1,P=12346,u=msandbox,p=msandbox,D=test,t=pt2241 --skip-check-replica-lag h=127.0.0.1,P=12347,u=msandbox,p=msandbox,D=test,t=pt2241 --pid $tmp_file_name --progress time,5";
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diag("Starting --skip-check-replica-lag test. This is going to take some time due to the delay in the replica");
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my $output = `$trunk/bin/pt-online-schema-change $args 2>&1`;
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unlike(
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$output,
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qr/Replica lag is \d+ seconds on .* Waiting/s,
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"--skip-check-replica-lag is really skipping the replica",
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);
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# #############################################################################
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# Done.
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# #############################################################################
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diag("Setting replica delay to 0 seconds");
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$replica1_dbh->do("STOP ${replica_name}");
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$replica2_dbh->do("STOP ${replica_name}");
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$replica1_dbh->do("CHANGE ${source_change} TO ${source_name}_DELAY=0");
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$replica2_dbh->do("CHANGE ${source_change} TO ${source_name}_DELAY=0");
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$source_dbh->do("RESET ${source_reset}");
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$replica1_dbh->do("RESET ${replica_name}");
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$replica1_dbh->do("START ${replica_name}");
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$replica2_dbh->do("RESET ${replica_name}");
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$replica2_dbh->do("START ${replica_name}");
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$sb->wipe_clean($source_dbh);
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ok($sb->ok(), "Sandbox servers") or BAIL_OUT(__FILE__ . " broke the sandbox");
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done_testing;
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