mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-11 13:40:07 +00:00
102 lines
3.6 KiB
Perl
102 lines
3.6 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 English qw(-no_match_vars);
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use Test::More;
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use PerconaTest;
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use DSNParser;
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use Sandbox;
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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 $dbh1 = $sb->get_dbh_for('master');
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my $dbh2 = $sb->get_dbh_for('slave1');
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if ( !$dbh1 ) {
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plan skip_all => 'Cannot connect to sandbox master';
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}
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elsif ( !$dbh2 ) {
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plan skip_all => 'Cannot connect to sandbox slave';
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}
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else {
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plan tests => 3;
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}
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my $output;
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my $cmd;
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# ##########################################################################
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# Tests for swapping --processlist and --execute
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# ##########################################################################
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$dbh1->do('set global read_only=0');
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$dbh2->do('set global read_only=1');
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$cmd = "$trunk/bin/pt-query-digest "
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. "--processlist h=127.1,P=12345,u=msandbox,p=msandbox "
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. "--execute h=127.1,P=12346,u=msandbox,p=msandbox --mirror 1 "
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. "--pid foobar";
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# --pid actually does nothing because the script is not daemonizing.
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# I include it for the identifier (foobar) so that we can more easily
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# grep the PID below. Otherwise, a ps | grep mk-query-digest will
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# match this test script and any vi mk-query-digest[.t] that may happen
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# to be running.
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$ENV{MKDEBUG}=1;
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`$cmd > /tmp/read_only.txt 2>&1 &`;
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$ENV{MKDEBUG}=0;
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sleep 5;
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$dbh1->do('select sleep(1)');
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sleep 1;
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$dbh1->do('set global read_only=1');
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$dbh2->do('set global read_only=0');
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$dbh1->do('select sleep(1)');
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sleep 2;
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$output = `ps -eaf | grep mk-query-diges[t] | grep foobar | awk '{print \$2}'`;
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kill 15, $output =~ m/(\d+)/g;
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sleep 1;
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# Verify that it's dead...
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$output = `ps -eaf | grep mk-query-diges[t] | grep foobar`;
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if ( $output =~ m/digest/ ) {
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$output = `ps -eaf | grep mk-query-diges[t] | grep foobar`;
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}
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unlike($output, qr/mk-query-digest/, 'It is stopped now');
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$dbh1->do('set global read_only=0');
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$dbh2->do('set global read_only=1');
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$output = `grep read_only /tmp/read_only.txt`;
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# Sample output:
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# # main:3619 6897 read_only on execute for --execute: 1 (want 1)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on processlist for --processlist: 0 (want 0)
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# # main:3619 6897 read_only on execute for --execute: 0 (want 1)
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# # main:3622 6897 read_only wrong for --execute getting a dbh from processlist
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# # main:3619 6897 read_only on processlist for --processlist: 1 (want 0)
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# # main:3622 6897 read_only wrong for --processlist getting a dbh from execute
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# # main:3619 6897 read_only on processlist for --execute: 1 (want 1)
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# # main:3619 6897 read_only on execute for --processlist: 0 (want 0)
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like($output, qr/wrong for --execute getting a dbh from processlist/,
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'switching --processlist works');
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like($output, qr/wrong for --processlist getting a dbh from execute/,
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'switching --execute works');
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diag(`rm -rf /tmp/read_only.txt`);
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# #############################################################################
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# Done.
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# #############################################################################
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$dbh1->do('set global read_only=0');
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$dbh2->do('set global read_only=1');
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$sb->wipe_clean($dbh1);
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exit;
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