diff options
Diffstat (limited to 'mysql-test/lib/mtr_process.pl')
-rw-r--r-- | mysql-test/lib/mtr_process.pl | 767 |
1 files changed, 40 insertions, 727 deletions
diff --git a/mysql-test/lib/mtr_process.pl b/mysql-test/lib/mtr_process.pl index 9f8eb8e92bd..5e21248790e 100644 --- a/mysql-test/lib/mtr_process.pl +++ b/mysql-test/lib/mtr_process.pl @@ -4,7 +4,6 @@ # and is part of the translation of the Bourne shell script with the # same name. -#use Carp qw(cluck); use Socket; use Errno; use strict; @@ -26,28 +25,6 @@ sub mtr_kill_processes ($); sub mtr_ping_with_timeout($); sub mtr_ping_port ($); -# Private IM-related operations. - -sub mtr_im_kill_process ($$$); -sub mtr_im_load_pids ($); -sub mtr_im_terminate ($); -sub mtr_im_check_alive ($); -sub mtr_im_check_main_alive ($); -sub mtr_im_check_angel_alive ($); -sub mtr_im_check_mysqlds_alive ($); -sub mtr_im_check_mysqld_alive ($$); -sub mtr_im_cleanup ($); -sub mtr_im_rm_file ($); -sub mtr_im_errlog ($); -sub mtr_im_kill ($); -sub mtr_im_wait_for_connection ($$$); -sub mtr_im_wait_for_mysqld($$$); - -# Public IM-related operations. - -sub mtr_im_start ($$); -sub mtr_im_stop ($$); - # static in C sub spawn_impl ($$$$$$$$); @@ -115,8 +92,6 @@ sub spawn_impl ($$$$$$$$) { my $pid_file= shift; # FIXME my $spawn_opts= shift; - mtr_error("Can't spawn with empty \"path\"") unless defined $path; - if ( $::opt_script_debug ) { print STDERR "\n"; @@ -140,6 +115,9 @@ sub spawn_impl ($$$$$$$$) { print STDERR "#### ", "-" x 78, "\n"; } + mtr_error("Can't spawn with empty \"path\"") unless defined $path; + + FORK: { my $pid= fork(); @@ -358,9 +336,16 @@ sub mtr_process_exit_status { # kill IM manager first, else it will restart the servers sub mtr_kill_leftovers () { + mtr_report("Killing Possible Leftover Processes"); mtr_debug("mtr_kill_leftovers(): started."); - mtr_im_stop($::instance_manager, 'mtr_kill_leftovers'); + mkpath("$::opt_vardir/log"); # Needed for mysqladmin log + + # Stop or kill Instance Manager and all its children. If we failed to do + # that, we can only abort -- there is nothing left to do. + +# mtr_error("Failed to stop Instance Manager.") +# unless mtr_im_stop($::instance_manager); # Start shutdown of masters and slaves. Don't touch IM-managed mysqld # instances -- they should be stopped by mtr_im_stop(). @@ -392,40 +377,41 @@ sub mtr_kill_leftovers () { $srv->{'pid'}= 0; # Assume we are done with it } - # Start shutdown of clusters. - - mtr_debug("Shutting down cluster..."); - - foreach my $cluster (@{$::clusters}) + if ( ! $::opt_skip_ndbcluster ) { - mtr_debug(" - cluster " . - "(pid: $cluster->{pid}; " . - "pid file: '$cluster->{path_pid})"); - - my $pid= mtr_ndbmgm_start($cluster, "shutdown"); - - # Save the pid of the ndb_mgm process - $admin_pids{$pid}= 1; - - push(@kill_pids,{ - pid => $cluster->{'pid'}, - pidfile => $cluster->{'path_pid'} - }); + # Start shutdown of clusters. + mtr_debug("Shutting down cluster..."); - $cluster->{'pid'}= 0; # Assume we are done with it + foreach my $cluster (@{$::clusters}) + { + mtr_debug(" - cluster " . + "(pid: $cluster->{pid}; " . + "pid file: '$cluster->{path_pid})"); + my $pid= mtr_ndbmgm_start($cluster, "shutdown"); - foreach my $ndbd (@{$cluster->{'ndbds'}}) - { - mtr_debug(" - ndbd " . - "(pid: $ndbd->{pid}; " . - "pid file: '$ndbd->{path_pid})"); + # Save the pid of the ndb_mgm process + $admin_pids{$pid}= 1; push(@kill_pids,{ - pid => $ndbd->{'pid'}, - pidfile => $ndbd->{'path_pid'}, + pid => $cluster->{'pid'}, + pidfile => $cluster->{'path_pid'} }); - $ndbd->{'pid'}= 0; # Assume we are done with it + + $cluster->{'pid'}= 0; # Assume we are done with it + + foreach my $ndbd (@{$cluster->{'ndbds'}}) + { + mtr_debug(" - ndbd " . + "(pid: $ndbd->{pid}; " . + "pid file: '$ndbd->{path_pid})"); + + push(@kill_pids,{ + pid => $ndbd->{'pid'}, + pidfile => $ndbd->{'path_pid'}, + }); + $ndbd->{'pid'}= 0; # Assume we are done with it + } } } @@ -1095,7 +1081,7 @@ sub mtr_kill_processes ($) { { foreach my $sig (15, 9) { - last if mtr_im_kill_process([ $pid ], $sig, 10); + last if mtr_im_kill_process([ $pid ], $sig, 10, 1); } } } @@ -1130,679 +1116,6 @@ sub mtr_exit ($) { exit($code); } -############################################################################## -# -# Instance Manager management routines. -# -############################################################################## - -sub mtr_im_kill_process ($$$) { - my $pid_lst= shift; - my $signal= shift; - my $timeout= shift; - my $total_attempts= $timeout * 10; - - my %pids; - - foreach my $pid (@{$pid_lst}) - { - $pids{$pid}= 1; - } - - for (my $cur_attempt= 1; $cur_attempt <= $total_attempts; ++$cur_attempt) - { - foreach my $pid (keys %pids) - { - mtr_debug("Sending $signal to $pid..."); - - kill($signal, $pid); - - unless (kill (0, $pid)) - { - mtr_debug("Process $pid died."); - delete $pids{$pid}; - } - } - - return if scalar keys %pids == 0; - - mtr_debug("Sleeping 100ms waiting for processes to die..."); - - select(undef, undef, undef, 0.1); - } - - mtr_debug("Process(es) " . - join(' ', keys %pids) . - " is still alive after $total_attempts " . - "of sending signal $signal."); -} - -########################################################################### - -sub mtr_im_load_pids($) { - my $instance_manager= shift; - - mtr_debug("Loading PID files..."); - - # Obtain mysqld-process pids. - - my $instances = $instance_manager->{'instances'}; - - for (my $idx= 0; $idx < 2; ++$idx) - { - mtr_debug("IM-guarded mysqld[$idx] PID file: '" . - $instances->[$idx]->{'path_pid'} . "'."); - - my $mysqld_pid; - - if (-r $instances->[$idx]->{'path_pid'}) - { - $mysqld_pid= mtr_get_pid_from_file($instances->[$idx]->{'path_pid'}); - mtr_debug("IM-guarded mysqld[$idx] PID: $mysqld_pid."); - } - else - { - $mysqld_pid= undef; - mtr_debug("IM-guarded mysqld[$idx]: no PID file."); - } - - $instances->[$idx]->{'pid'}= $mysqld_pid; - } - - # Re-read Instance Manager PIDs from the file, since during tests Instance - # Manager could have been restarted, so its PIDs could have been changed. - - # - IM-main - - mtr_debug("IM-main PID file: '$instance_manager->{path_pid}'."); - - if (-f $instance_manager->{'path_pid'}) - { - $instance_manager->{'pid'} = - mtr_get_pid_from_file($instance_manager->{'path_pid'}); - - mtr_debug("IM-main PID: $instance_manager->{pid}."); - } - else - { - mtr_debug("IM-main: no PID file."); - $instance_manager->{'pid'}= undef; - } - - # - IM-angel - - mtr_debug("IM-angel PID file: '$instance_manager->{path_angel_pid}'."); - - if (-f $instance_manager->{'path_angel_pid'}) - { - $instance_manager->{'angel_pid'} = - mtr_get_pid_from_file($instance_manager->{'path_angel_pid'}); - - mtr_debug("IM-angel PID: $instance_manager->{'angel_pid'}."); - } - else - { - mtr_debug("IM-angel: no PID file."); - $instance_manager->{'angel_pid'} = undef; - } -} - -########################################################################### - -sub mtr_im_terminate($) { - my $instance_manager= shift; - - # Load pids from pid-files. We should do it first of all, because IM deletes - # them on shutdown. - - mtr_im_load_pids($instance_manager); - - mtr_debug("Shutting Instance Manager down..."); - - # Ignoring SIGCHLD so that all children could rest in peace. - - start_reap_all(); - - # Send SIGTERM to IM-main. - - if (defined $instance_manager->{'pid'}) - { - mtr_debug("IM-main pid: $instance_manager->{pid}."); - mtr_debug("Stopping IM-main..."); - - mtr_im_kill_process([ $instance_manager->{'pid'} ], 'TERM', 10); - } - else - { - mtr_debug("IM-main pid: n/a."); - } - - # If IM-angel was alive, wait for it to die. - - if (defined $instance_manager->{'angel_pid'}) - { - mtr_debug("IM-angel pid: $instance_manager->{'angel_pid'}."); - mtr_debug("Waiting for IM-angel to die..."); - - my $total_attempts= 10; - - for (my $cur_attempt=1; $cur_attempt <= $total_attempts; ++$cur_attempt) - { - unless (kill (0, $instance_manager->{'angel_pid'})) - { - mtr_debug("IM-angel died."); - last; - } - - sleep(1); - } - } - else - { - mtr_debug("IM-angel pid: n/a."); - } - - stop_reap_all(); - - # Re-load PIDs. - - mtr_im_load_pids($instance_manager); -} - -########################################################################### - -sub mtr_im_check_alive($) { - my $instance_manager= shift; - - mtr_debug("Checking whether IM-components are alive..."); - - return 1 if mtr_im_check_main_alive($instance_manager); - - return 1 if mtr_im_check_angel_alive($instance_manager); - - return 1 if mtr_im_check_mysqlds_alive($instance_manager); - - return 0; -} - -########################################################################### - -sub mtr_im_check_main_alive($) { - my $instance_manager= shift; - - # Check that the process, that we know to be IM's, is dead. - - if (defined $instance_manager->{'pid'}) - { - if (kill (0, $instance_manager->{'pid'})) - { - mtr_debug("IM-main (PID: $instance_manager->{pid}) is alive."); - return 1; - } - else - { - mtr_debug("IM-main (PID: $instance_manager->{pid}) is dead."); - } - } - else - { - mtr_debug("No PID file for IM-main."); - } - - # Check that IM does not accept client connections. - - if (mtr_ping_port($instance_manager->{'port'})) - { - mtr_debug("IM-main (port: $instance_manager->{port}) " . - "is accepting connections."); - - mtr_im_errlog("IM-main is accepting connections on port " . - "$instance_manager->{port}, but there is no " . - "process information."); - return 1; - } - else - { - mtr_debug("IM-main (port: $instance_manager->{port}) " . - "does not accept connections."); - return 0; - } -} - -########################################################################### - -sub mtr_im_check_angel_alive($) { - my $instance_manager= shift; - - # Check that the process, that we know to be the Angel, is dead. - - if (defined $instance_manager->{'angel_pid'}) - { - if (kill (0, $instance_manager->{'angel_pid'})) - { - mtr_debug("IM-angel (PID: $instance_manager->{angel_pid}) is alive."); - return 1; - } - else - { - mtr_debug("IM-angel (PID: $instance_manager->{angel_pid}) is dead."); - return 0; - } - } - else - { - mtr_debug("No PID file for IM-angel."); - return 0; - } -} - -########################################################################### - -sub mtr_im_check_mysqlds_alive($) { - my $instance_manager= shift; - - mtr_debug("Checking for IM-guarded mysqld instances..."); - - my $instances = $instance_manager->{'instances'}; - - for (my $idx= 0; $idx < 2; ++$idx) - { - mtr_debug("Checking mysqld[$idx]..."); - - return 1 - if mtr_im_check_mysqld_alive($instance_manager, $instances->[$idx]); - } -} - -########################################################################### - -sub mtr_im_check_mysqld_alive($$) { - my $instance_manager= shift; - my $mysqld_instance= shift; - - # Check that the process is dead. - - if (defined $instance_manager->{'pid'}) - { - if (kill (0, $instance_manager->{'pid'})) - { - mtr_debug("Mysqld instance (PID: $mysqld_instance->{pid}) is alive."); - return 1; - } - else - { - mtr_debug("Mysqld instance (PID: $mysqld_instance->{pid}) is dead."); - } - } - else - { - mtr_debug("No PID file for mysqld instance."); - } - - # Check that mysqld does not accept client connections. - - if (mtr_ping_port($mysqld_instance->{'port'})) - { - mtr_debug("Mysqld instance (port: $mysqld_instance->{port}) " . - "is accepting connections."); - - mtr_im_errlog("Mysqld is accepting connections on port " . - "$mysqld_instance->{port}, but there is no " . - "process information."); - return 1; - } - else - { - mtr_debug("Mysqld instance (port: $mysqld_instance->{port}) " . - "does not accept connections."); - return 0; - } -} - -########################################################################### - -sub mtr_im_cleanup($) { - my $instance_manager= shift; - - mtr_im_rm_file($instance_manager->{'path_pid'}); - mtr_im_rm_file($instance_manager->{'path_sock'}); - - mtr_im_rm_file($instance_manager->{'path_angel_pid'}); - - for (my $idx= 0; $idx < 2; ++$idx) - { - mtr_im_rm_file($instance_manager->{'instances'}->[$idx]->{'path_pid'}); - mtr_im_rm_file($instance_manager->{'instances'}->[$idx]->{'path_sock'}); - } -} - -########################################################################### - -sub mtr_im_rm_file($) -{ - my $file_path= shift; - - if (-f $file_path) - { - mtr_debug("Removing '$file_path'..."); - - mtr_warning("Can not remove '$file_path'.") - unless unlink($file_path); - } - else - { - mtr_debug("File '$file_path' does not exist already."); - } -} - -########################################################################### - -sub mtr_im_errlog($) { - my $msg= shift; - - # Complain in error log so that a warning will be shown. - # - # TODO: unless BUG#20761 is fixed, we will print the warning to stdout, so - # that it can be seen on console and does not produce pushbuild error. - - # my $errlog= "$opt_vardir/log/mysql-test-run.pl.err"; - # - # open (ERRLOG, ">>$errlog") || - # mtr_error("Can not open error log ($errlog)"); - # - # my $ts= localtime(); - # print ERRLOG - # "Warning: [$ts] $msg\n"; - # - # close ERRLOG; - - my $ts= localtime(); - print "Warning: [$ts] $msg\n"; -} - -########################################################################### - -sub mtr_im_kill($) { - my $instance_manager= shift; - - # Re-load PIDs. That can be useful because some processes could have been - # restarted. - - mtr_im_load_pids($instance_manager); - - # Ignoring SIGCHLD so that all children could rest in peace. - - start_reap_all(); - - # Kill IM-angel first of all. - - if (defined $instance_manager->{'angel_pid'}) - { - mtr_debug("Killing IM-angel (PID: $instance_manager->{angel_pid})..."); - mtr_im_kill_process([ $instance_manager->{'angel_pid'} ], 'KILL', 10); - } - else - { - mtr_debug("IM-angel is dead."); - } - - # Re-load PIDs again. - - mtr_im_load_pids($instance_manager); - - # Kill IM-main. - - if (defined $instance_manager->{'pid'}) - { - mtr_debug("Killing IM-main (PID: $instance_manager->pid})..."); - mtr_im_kill_process([ $instance_manager->{'pid'} ], 'KILL', 10); - } - else - { - mtr_debug("IM-main is dead."); - } - - # Re-load PIDs again. - - mtr_im_load_pids($instance_manager); - - # Kill guarded mysqld instances. - - my @mysqld_pids; - - mtr_debug("Collecting PIDs of mysqld instances to kill..."); - - for (my $idx= 0; $idx < 2; ++$idx) - { - my $pid= $instance_manager->{'instances'}->[$idx]->{'pid'}; - - next unless defined $pid; - - mtr_debug(" - IM-guarded mysqld[$idx] PID: $pid."); - - push (@mysqld_pids, $pid); - } - - if (scalar @mysqld_pids > 0) - { - mtr_debug("Killing IM-guarded mysqld instances..."); - mtr_im_kill_process(\@mysqld_pids, 'KILL', 10); - } - - # That's all. - - stop_reap_all(); -} - -############################################################################## - -sub mtr_im_wait_for_connection($$$) { - my $instance_manager= shift; - my $total_attempts= shift; - my $connect_timeout= shift; - - mtr_debug("Waiting for IM on port $instance_manager->{port} " . - "to start accepting connections..."); - - for (my $cur_attempt= 1; $cur_attempt <= $total_attempts; ++$cur_attempt) - { - mtr_debug("Trying to connect to IM ($cur_attempt of $total_attempts)..."); - - if (mtr_ping_port($instance_manager->{'port'})) - { - mtr_debug("IM is accepting connections " . - "on port $instance_manager->{port}."); - return 1; - } - - mtr_debug("Sleeping $connect_timeout..."); - sleep($connect_timeout); - } - - mtr_debug("IM does not accept connections " . - "on port $instance_manager->{port} after " . - ($total_attempts * $connect_timeout) . " seconds."); - - return 0; -} - -############################################################################## - -sub mtr_im_wait_for_mysqld($$$) { - my $mysqld= shift; - my $total_attempts= shift; - my $connect_timeout= shift; - - mtr_debug("Waiting for IM-guarded mysqld on port $mysqld->{port} " . - "to start accepting connections..."); - - for (my $cur_attempt= 1; $cur_attempt <= $total_attempts; ++$cur_attempt) - { - mtr_debug("Trying to connect to mysqld " . - "($cur_attempt of $total_attempts)..."); - - if (mtr_ping_port($mysqld->{'port'})) - { - mtr_debug("Mysqld is accepting connections " . - "on port $mysqld->{port}."); - return 1; - } - - mtr_debug("Sleeping $connect_timeout..."); - sleep($connect_timeout); - } - - mtr_debug("Mysqld does not accept connections " . - "on port $mysqld->{port} after " . - ($total_attempts * $connect_timeout) . " seconds."); - - return 0; -} - -############################################################################## - -sub mtr_im_start($$) { - my $instance_manager = shift; - my $opts = shift; - - mtr_debug("Starting Instance Manager..."); - - my $args; - mtr_init_args(\$args); - mtr_add_arg($args, "--defaults-file=%s", - $instance_manager->{'defaults_file'}); - - foreach my $opt (@{$opts}) - { - mtr_add_arg($args, $opt); - } - - $instance_manager->{'pid'} = - mtr_spawn( - $::exe_im, # path to the executable - $args, # cmd-line args - '', # stdin - $instance_manager->{'path_log'}, # stdout - $instance_manager->{'path_err'}, # stderr - '', # pid file path (not used) - { append_log_file => 1 } # append log files - ); - - if ( ! $instance_manager->{'pid'} ) - { - mtr_report('Could not start Instance Manager'); - return; - } - - # Instance Manager can be run in daemon mode. In this case, it creates - # several processes and the parent process, created by mtr_spawn(), exits just - # after start. So, we have to obtain Instance Manager PID from the PID file. - - if ( ! sleep_until_file_created( - $instance_manager->{'path_pid'}, - $instance_manager->{'start_timeout'}, - -1)) # real PID is still unknown - { - mtr_report("Instance Manager PID file is missing"); - return; - } - - $instance_manager->{'pid'} = - mtr_get_pid_from_file($instance_manager->{'path_pid'}); - - mtr_debug("Instance Manager started. PID: $instance_manager->{pid}."); - - # Wait until we can connect to IM. - - my $IM_CONNECT_TIMEOUT= 30; - - unless (mtr_im_wait_for_connection($instance_manager, - $IM_CONNECT_TIMEOUT, 1)) - { - mtr_debug("Can not connect to Instance Manager " . - "in $IM_CONNECT_TIMEOUT seconds after start."); - mtr_debug("Aborting test suite..."); - - mtr_kill_leftovers(); - - mtr_error("Can not connect to Instance Manager " . - "in $IM_CONNECT_TIMEOUT seconds after start."); - } - - # Wait until we can connect to guarded mysqld-instances - # (in other words -- wait for IM to start guarded instances). - - for (my $idx= 0; $idx < 2; ++$idx) - { - my $mysqld= $instance_manager->{'instances'}->[$idx]; - - next if exists $mysqld->{'nonguarded'}; - - mtr_debug("Waiting for mysqld[$idx] to start..."); - - unless (mtr_im_wait_for_mysqld($mysqld, 30, 1)) - { - mtr_debug("Can not connect to mysqld[$idx] " . - "in $IM_CONNECT_TIMEOUT seconds after start."); - mtr_debug("Aborting test suite..."); - - mtr_kill_leftovers(); - - mtr_error("Can not connect to mysqld[$idx] " . - "in $IM_CONNECT_TIMEOUT seconds after start."); - } - - mtr_debug("mysqld[$idx] started."); - } - - mtr_debug("Instance Manager started."); - - mtr_im_load_pids($instance_manager); -} - -############################################################################## - -sub mtr_im_stop($$) { - my $instance_manager= shift; - my $where= shift; - - mtr_debug("Stopping Instance Manager..."); - - # Try graceful shutdown. - - mtr_im_terminate($instance_manager); - - # Check that all processes died. - - unless (mtr_im_check_alive($instance_manager)) - { - mtr_debug("Instance Manager has been stopped successfully."); - mtr_im_cleanup($instance_manager); - return 1; - } - - # Instance Manager don't want to die. We should kill it. - - mtr_im_errlog("[$where] Instance Manager did not shutdown gracefully."); - - mtr_im_kill($instance_manager); - - # Check again that all IM-related processes have been killed. - - my $im_is_alive= mtr_im_check_alive($instance_manager); - - mtr_im_cleanup($instance_manager); - - if ($im_is_alive) - { - mtr_error("Can not kill Instance Manager or its children."); - return 0; - } - - mtr_debug("Instance Manager has been killed successfully."); - return 1; -} - ########################################################################### 1; |