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mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00

Post-merge fixes.

This commit is contained in:
kostja@bodhi.local
2006-08-30 23:09:47 +04:00
parent ebb7070430
commit 7290fa2fb7
13 changed files with 965 additions and 341 deletions

View File

@@ -25,7 +25,28 @@ sub sleep_until_file_created ($$$);
sub mtr_kill_processes ($);
sub mtr_ping_with_timeout($);
sub mtr_ping_port ($);
sub mtr_kill_process ($$$);
# 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 ($$$$$$$$);
@@ -335,16 +356,27 @@ sub mtr_process_exit_status {
# kill IM manager first, else it will restart the servers
sub mtr_kill_leftovers () {
mtr_debug("mtr_kill_leftovers(): started.");
mtr_im_stop($::instance_manager, 'mtr_kill_leftovers');
# Start shutdown of masters and slaves. Don't touch IM-managed mysqld
# instances -- they should be stopped by mtr_im_stop().
mtr_debug("Shutting down mysqld-instances...");
my @kill_pids;
my %admin_pids;
my $pid;
#Start shutdown of instance_managers, masters and slaves
foreach my $srv ($::instance_manager,
@{$::instance_manager->{'instances'}},
@{$::master},@{$::slave})
foreach my $srv (@{$::master}, @{$::slave})
{
$pid= mtr_mysqladmin_start($srv, "shutdown", 70);
mtr_debug(" - mysqld " .
"(pid: $srv->{pid}; " .
"pid file: '$srv->{path_pid}'; " .
"socket: '$srv->{path_sock}'; ".
"port: $srv->{port})");
my $pid= mtr_mysqladmin_start($srv, "shutdown", 70);
# Save the pid of the mysqladmin process
$admin_pids{$pid}= 1;
@@ -358,10 +390,17 @@ sub mtr_kill_leftovers () {
$srv->{'pid'}= 0; # Assume we are done with it
}
# Start shutdown of clusters
# Start shutdown of clusters.
mtr_debug("Shutting down cluster...");
foreach my $cluster (@{$::clusters})
{
$pid= mtr_ndbmgm_start($cluster, "shutdown");
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;
@@ -376,13 +415,16 @@ sub mtr_kill_leftovers () {
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
}
}
# Wait for all the admin processes to complete
@@ -411,6 +453,8 @@ sub mtr_kill_leftovers () {
# FIXME $path_run_dir or something
my $rundir= "$::opt_vardir/run";
mtr_debug("Processing PID files in directory '$rundir'...");
if ( -d $rundir )
{
opendir(RUNDIR, $rundir)
@@ -424,8 +468,12 @@ sub mtr_kill_leftovers () {
if ( -f $pidfile )
{
mtr_debug("Processing PID file: '$pidfile'...");
my $pid= mtr_get_pid_from_file($pidfile);
mtr_debug("Got pid: $pid from file '$pidfile'");
# Race, could have been removed between I tested with -f
# and the unlink() below, so I better check again with -f
@@ -436,14 +484,24 @@ sub mtr_kill_leftovers () {
if ( $::glob_cygwin_perl or kill(0, $pid) )
{
mtr_debug("There is process with pid $pid -- scheduling for kill.");
push(@pids, $pid); # We know (cygwin guess) it exists
}
else
{
mtr_debug("There is no process with pid $pid -- skipping.");
}
}
}
closedir(RUNDIR);
if ( @pids )
{
mtr_debug("Killing the following processes with PID files: " .
join(' ', @pids) . "...");
start_reap_all();
if ( $::glob_cygwin_perl )
{
# We have no (easy) way of knowing the Cygwin controlling
@@ -457,6 +515,7 @@ sub mtr_kill_leftovers () {
my $retries= 10; # 10 seconds
do
{
mtr_debug("Sending SIGKILL to pids: " . join(' ', @pids));
kill(9, @pids);
mtr_report("Sleep 1 second waiting for processes to die");
sleep(1) # Wait one second
@@ -467,12 +526,20 @@ sub mtr_kill_leftovers () {
mtr_warning("can't kill process(es) " . join(" ", @pids));
}
}
stop_reap_all();
}
}
else
{
mtr_debug("Directory for PID files ($rundir) does not exist.");
}
# We may have failed everything, but we now check again if we have
# the listen ports free to use, and if they are free, just go for it.
mtr_debug("Checking known mysqld servers...");
foreach my $srv ( @kill_pids )
{
if ( defined $srv->{'port'} and mtr_ping_port($srv->{'port'}) )
@@ -480,6 +547,8 @@ sub mtr_kill_leftovers () {
mtr_warning("can't kill old process holding port $srv->{'port'}");
}
}
mtr_debug("mtr_kill_leftovers(): finished.");
}
@@ -736,6 +805,9 @@ sub mtr_ping_with_timeout($) {
my $res= 1; # If we just fall through, we are done
# in the sense that the servers don't
# listen to their ports any longer
mtr_debug("Waiting for mysqld servers to stop...");
TIME:
while ( $timeout-- )
{
@@ -763,7 +835,14 @@ sub mtr_ping_with_timeout($) {
last; # If we got here, we are done
}
$timeout or mtr_report("At least one server is still listening to its port");
if ($res)
{
mtr_debug("mtr_ping_with_timeout(): All mysqld instances are down.");
}
else
{
mtr_report("mtr_ping_with_timeout(): At least one server is alive.");
}
return $res;
}
@@ -946,6 +1025,9 @@ sub mtr_ping_port ($) {
{
mtr_error("can't create socket: $!");
}
mtr_debug("Pinging server (port: $port)...");
if ( connect(SOCK, $paddr) )
{
close(SOCK); # FIXME check error?
@@ -1016,34 +1098,12 @@ sub mtr_kill_processes ($) {
{
foreach my $sig (15, 9)
{
last if mtr_kill_process($pid, $sig, 10);
last if mtr_im_kill_process([ $pid ], $sig, 10);
}
}
}
sub mtr_kill_process ($$$) {
my $pid= shift;
my $signal= shift;
my $timeout= shift; # Seconds to wait for process
my $max_loop= $timeout*10; # Sleeping 0.1 between each kill attempt
for (my $cur_attempt= 1; $cur_attempt <= $max_loop; ++$cur_attempt)
{
mtr_debug("Sending $signal to $pid...");
kill($signal, $pid);
last unless kill (0, $pid) and $max_loop--;
mtr_verbose("Sleep 0.1 second waiting for processes $pid to die");
select(undef, undef, undef, 0.1);
}
return $max_loop;
}
##############################################################################
#
# When we exit, we kill off all children
@@ -1073,4 +1133,679 @@ sub mtr_exit ($) {
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;