diff options
| -rw-r--r-- | mysql-test/lib/mtr_process.pl | 20 | ||||
| -rwxr-xr-x | mysql-test/mysql-test-run.pl | 86 | ||||
| -rw-r--r-- | server-tools/instance-manager/manager.cc | 13 | ||||
| -rw-r--r-- | server-tools/instance-manager/manager.h | 2 | ||||
| -rw-r--r-- | server-tools/instance-manager/mysqlmanager.cc | 8 | ||||
| -rw-r--r-- | server-tools/instance-manager/options.cc | 57 | ||||
| -rw-r--r-- | server-tools/instance-manager/options.h | 1 |
7 files changed, 169 insertions, 18 deletions
diff --git a/mysql-test/lib/mtr_process.pl b/mysql-test/lib/mtr_process.pl index 973655a3eb6..6fa6bc73bdb 100644 --- a/mysql-test/lib/mtr_process.pl +++ b/mysql-test/lib/mtr_process.pl @@ -20,6 +20,7 @@ sub mtr_record_dead_children (); sub mtr_exit ($); sub sleep_until_file_created ($$$); sub mtr_kill_processes ($); +sub mtr_kill_process ($$$$); # static in C sub spawn_impl ($$$$$$$$); @@ -885,6 +886,25 @@ sub mtr_kill_processes ($) { } } + +sub mtr_kill_process ($$$$) { + my $pid= shift; + my $signal= shift; + my $retries= shift; + my $timeout= shift; + + while (1) + { + kill($signal, $pid); + + last unless kill (0, $pid) and $retries--; + + mtr_debug("Sleep $timeout second waiting for processes to die"); + + sleep($timeout); + } +} + ############################################################################## # # When we exit, we kill off all children diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 3a5fa2e7287..7613e7f087c 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -924,6 +924,7 @@ sub command_line_setup () { path_err => "$opt_vardir/log/im.err", path_log => "$opt_vardir/log/im.log", path_pid => "$opt_vardir/run/im.pid", + path_angel_pid => "$opt_vardir/run/im.angel.pid", path_sock => "$sockdir/im.sock", port => $im_port, start_timeout => $master->[0]->{'start_timeout'}, @@ -1179,6 +1180,7 @@ sub environment_setup () { $ENV{'NDB_STATUS_OK'}= "YES"; $ENV{'IM_PATH_PID'}= $instance_manager->{path_pid}; + $ENV{'IM_PATH_ANGEL_PID'}= $instance_manager->{path_angel_pid}; $ENV{'IM_PORT'}= $instance_manager->{port}; $ENV{'IM_MYSQLD1_SOCK'}= $instance_manager->{instances}->[0]->{path_sock}; @@ -1803,6 +1805,7 @@ sub im_create_defaults_file($) { [manager] pid-file = $instance_manager->{path_pid} +angel-pid-file = $instance_manager->{path_angel_pid} socket = $instance_manager->{path_sock} port = $instance_manager->{port} password-file = $instance_manager->{password_file} @@ -1827,7 +1830,7 @@ log-slow-queries = $instance->{path_datadir}/mysqld$server_id.slow.log language = $path_language character-sets-dir = $path_charsetsdir basedir = $path_my_basedir -server_id =$server_id +server_id = $server_id skip-stack-trace skip-innodb skip-bdb @@ -2786,6 +2789,18 @@ sub im_start($$) { sub im_stop($) { my $instance_manager = shift; + # Obtain mysqld-process pids before we start stopping IM (it can delete pid + # files). + + my @mysqld_pids = (); + my $instances = $instance_manager->{'instances'}; + + push(@mysqld_pids, mtr_get_pid_from_file($instances->[0]->{'path_pid'})) + if -r $instances->[0]->{'path_pid'}; + + push(@mysqld_pids, mtr_get_pid_from_file($instances->[1]->{'path_pid'})) + if -r $instances->[1]->{'path_pid'}; + # Re-read pid from the file, since during tests Instance Manager could have # been restarted, so its pid could have been changed. @@ -2793,34 +2808,79 @@ sub im_stop($) { mtr_get_pid_from_file($instance_manager->{'path_pid'}) if -f $instance_manager->{'path_pid'}; + if (-f $instance_manager->{'path_angel_pid'}) + { + $instance_manager->{'angel_pid'} = + mtr_get_pid_from_file($instance_manager->{'path_angel_pid'}) + } + else + { + $instance_manager->{'angel_pid'} = undef; + } + # Inspired from mtr_stop_mysqld_servers(). start_reap_all(); - # Create list of pids. We should stop Instance Manager and all started - # mysqld-instances. Some of them may be nonguarded, so IM will not stop them - # on shutdown. + # Try graceful shutdown. - my @pids = ( $instance_manager->{'pid'} ); - my $instances = $instance_manager->{'instances'}; + mtr_kill_process($instance_manager->{'pid'}, 'TERM', 10, 1); + + # Check that all processes died. + + my $clean_shutdown= 0; - if ( -r $instances->[0]->{'path_pid'} ) + while (1) { - push(@pids, mtr_get_pid_from_file($instances->[0]->{'path_pid'})); + last if kill (0, $instance_manager->{'pid'}); + + last if (defined $instance_manager->{'angel_pid'}) && + kill (0, $instance_manager->{'angel_pid'}); + + foreach my $pid (@mysqld_pids) + { + last if kill (0, $pid); + } + + $clean_shutdown= 1; + last; } - if ( -r $instances->[1]->{'path_pid'} ) + # Kill leftovers (the order is important). + + unless ($clean_shutdown) { - push(@pids, mtr_get_pid_from_file($instances->[1]->{'path_pid'})); - } + mtr_kill_process($instance_manager->{'angel_pid'}, 'KILL', 10, 1) + if defined $instance_manager->{'angel_pid'}; + + mtr_kill_process($instance_manager->{'pid'}, 'KILL', 10, 1); - # Kill processes. + # Shutdown managed mysqld-processes. Some of them may be nonguarded, so IM + # will not stop them on shutdown. So, we should firstly try to end them + # legally. + + mtr_kill_processes(\@mysqld_pids); + + # Complain in error log so that a warning will be shown. + + 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] Instance Manager did not shutdown gracefully.\n"; + + close ERRLOG; + } - mtr_kill_processes(\@pids); + # That's all. stop_reap_all(); $instance_manager->{'pid'} = undef; + $instance_manager->{'angel_pid'} = undef; } diff --git a/server-tools/instance-manager/manager.cc b/server-tools/instance-manager/manager.cc index 95f9029f648..90d9d04cd36 100644 --- a/server-tools/instance-manager/manager.cc +++ b/server-tools/instance-manager/manager.cc @@ -35,12 +35,12 @@ #endif -static int create_pid_file(const char *pid_file_name) +int create_pid_file(const char *pid_file_name, int pid) { if (FILE *pid_file= my_fopen(pid_file_name, O_WRONLY | O_CREAT | O_BINARY, MYF(0))) { - fprintf(pid_file, "%d\n", (int) getpid()); + fprintf(pid_file, "%d\n", (int) pid); my_fclose(pid_file, MYF(0)); return 0; } @@ -138,8 +138,13 @@ void manager(const Options &options) if (user_map.load(options.password_file_name)) return; - /* write pid file */ - if (create_pid_file(options.pid_file_name)) + /* write Instance Manager pid file */ + + log_info("IM pid file: '%s'; PID: %d.", + (const char *) options.pid_file_name, + (int) manager_pid); + + if (create_pid_file(options.pid_file_name, manager_pid)) return; sigset_t mask; diff --git a/server-tools/instance-manager/manager.h b/server-tools/instance-manager/manager.h index 12ed6b3b1ff..3ddf292132e 100644 --- a/server-tools/instance-manager/manager.h +++ b/server-tools/instance-manager/manager.h @@ -20,4 +20,6 @@ struct Options; void manager(const Options &options); +int create_pid_file(const char *pid_file_name, int pid); + #endif // INCLUDES_MYSQL_INSTANCE_MANAGER_MANAGER_H diff --git a/server-tools/instance-manager/mysqlmanager.cc b/server-tools/instance-manager/mysqlmanager.cc index d0b2cf2666c..ef714099de7 100644 --- a/server-tools/instance-manager/mysqlmanager.cc +++ b/server-tools/instance-manager/mysqlmanager.cc @@ -338,6 +338,14 @@ spawn: /* Here we return to main, and fall into manager */ break; default: // parent, success + pid= getpid(); /* Get our pid. */ + + log_info("Angel pid file: '%s'; PID: %d.", + (const char *) options.angel_pid_file_name, + (int) pid); + + create_pid_file(Options::angel_pid_file_name, pid); + while (child_status == CHILD_OK && is_terminated == 0) sigsuspend(&zeromask); diff --git a/server-tools/instance-manager/options.cc b/server-tools/instance-manager/options.cc index e7d366e7457..4d71680e061 100644 --- a/server-tools/instance-manager/options.cc +++ b/server-tools/instance-manager/options.cc @@ -44,6 +44,7 @@ const char *Options::user= 0; /* No default value */ const char *default_password_file_name= QUOTE(DEFAULT_PASSWORD_FILE_NAME); const char *default_log_file_name= QUOTE(DEFAULT_LOG_FILE_NAME); const char *Options::config_file= QUOTE(DEFAULT_CONFIG_FILE); +const char *Options::angel_pid_file_name= NULL; #endif const char *Options::log_file_name= default_log_file_name; const char *Options::pid_file_name= QUOTE(DEFAULT_PID_FILE_NAME); @@ -58,6 +59,9 @@ char **Options::saved_argv= NULL; /* Remember if the config file was forced */ bool Options::is_forced_default_file= 0; +static const char * const ANGEL_PID_FILE_SUFFIX= ".angel.pid"; +static const int ANGEL_PID_FILE_SUFFIX_LEN= strlen(ANGEL_PID_FILE_SUFFIX); + /* List of options, accepted by the instance manager. List must be closed with empty option. @@ -72,6 +76,7 @@ enum options { #ifndef __WIN__ OPT_RUN_AS_SERVICE, OPT_USER, + OPT_ANGEL_PID_FILE, #else OPT_INSTALL_SERVICE, OPT_REMOVE_SERVICE, @@ -94,7 +99,14 @@ static struct my_option my_long_options[] = { "pid-file", OPT_PID_FILE, "Pid file to use.", (gptr *) &Options::pid_file_name, (gptr *) &Options::pid_file_name, - 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 }, + 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 }, + +#ifndef __WIN__ + { "angel-pid-file", OPT_ANGEL_PID_FILE, "Pid file for angel process.", + (gptr *) &Options::angel_pid_file_name, + (gptr *) &Options::angel_pid_file_name, + 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 }, +#endif { "socket", OPT_SOCKET, "Socket file to use for connection.", (gptr *) &Options::socket_file_name, (gptr *) &Options::socket_file_name, @@ -290,6 +302,46 @@ int Options::load(int argc, char **argv) get_one_option)) != 0) goto err; +#ifndef __WIN__ + if (Options::run_as_service) + { + if (Options::angel_pid_file_name == NULL) + { + /* + Calculate angel pid file on the IM pid file basis: replace the + extension (everything after the last dot) of the pid file basename to + '.angel.pid'. + */ + + char *angel_pid_file_name; + char *base_name_ptr; + char *ext_ptr; + + angel_pid_file_name= (char *) malloc(strlen(Options::pid_file_name) + + ANGEL_PID_FILE_SUFFIX_LEN); + + strcpy(angel_pid_file_name, Options::pid_file_name); + + base_name_ptr= strrchr(angel_pid_file_name, '/'); + + if (!base_name_ptr) + base_name_ptr= angel_pid_file_name + 1; + + ext_ptr= strrchr(base_name_ptr, '.'); + if (ext_ptr) + *ext_ptr= 0; + + strcat(angel_pid_file_name, ANGEL_PID_FILE_SUFFIX); + + Options::angel_pid_file_name= angel_pid_file_name; + } + else + { + Options::angel_pid_file_name= strdup(Options::angel_pid_file_name); + } + } +#endif + return 0; err: @@ -301,6 +353,9 @@ void Options::cleanup() /* free_defaults returns nothing */ if (Options::saved_argv != NULL) free_defaults(Options::saved_argv); + + if (Options::run_as_service) + free((void *) Options::angel_pid_file_name); } #ifdef __WIN__ diff --git a/server-tools/instance-manager/options.h b/server-tools/instance-manager/options.h index abb094eac93..ad3458869b6 100644 --- a/server-tools/instance-manager/options.h +++ b/server-tools/instance-manager/options.h @@ -35,6 +35,7 @@ struct Options #else static char run_as_service; /* handle_options doesn't support bool */ static const char *user; + static const char *angel_pid_file_name; #endif static bool is_forced_default_file; static const char *log_file_name; |