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:
@@ -25,7 +25,28 @@ sub sleep_until_file_created ($$$);
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sub mtr_kill_processes ($);
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sub mtr_ping_with_timeout($);
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sub mtr_ping_port ($);
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sub mtr_kill_process ($$$);
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# Private IM-related operations.
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sub mtr_im_kill_process ($$$);
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sub mtr_im_load_pids ($);
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sub mtr_im_terminate ($);
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sub mtr_im_check_alive ($);
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sub mtr_im_check_main_alive ($);
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sub mtr_im_check_angel_alive ($);
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sub mtr_im_check_mysqlds_alive ($);
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sub mtr_im_check_mysqld_alive ($$);
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sub mtr_im_cleanup ($);
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sub mtr_im_rm_file ($);
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sub mtr_im_errlog ($);
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sub mtr_im_kill ($);
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sub mtr_im_wait_for_connection ($$$);
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sub mtr_im_wait_for_mysqld($$$);
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# Public IM-related operations.
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sub mtr_im_start ($$);
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sub mtr_im_stop ($$);
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# static in C
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sub spawn_impl ($$$$$$$$);
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@@ -335,16 +356,27 @@ sub mtr_process_exit_status {
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# kill IM manager first, else it will restart the servers
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sub mtr_kill_leftovers () {
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mtr_debug("mtr_kill_leftovers(): started.");
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mtr_im_stop($::instance_manager, 'mtr_kill_leftovers');
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# Start shutdown of masters and slaves. Don't touch IM-managed mysqld
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# instances -- they should be stopped by mtr_im_stop().
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mtr_debug("Shutting down mysqld-instances...");
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my @kill_pids;
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my %admin_pids;
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my $pid;
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#Start shutdown of instance_managers, masters and slaves
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foreach my $srv ($::instance_manager,
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@{$::instance_manager->{'instances'}},
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@{$::master},@{$::slave})
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foreach my $srv (@{$::master}, @{$::slave})
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{
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$pid= mtr_mysqladmin_start($srv, "shutdown", 70);
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mtr_debug(" - mysqld " .
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"(pid: $srv->{pid}; " .
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"pid file: '$srv->{path_pid}'; " .
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"socket: '$srv->{path_sock}'; ".
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"port: $srv->{port})");
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my $pid= mtr_mysqladmin_start($srv, "shutdown", 70);
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# Save the pid of the mysqladmin process
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$admin_pids{$pid}= 1;
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@@ -358,10 +390,17 @@ sub mtr_kill_leftovers () {
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$srv->{'pid'}= 0; # Assume we are done with it
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}
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# Start shutdown of clusters
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# Start shutdown of clusters.
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mtr_debug("Shutting down cluster...");
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foreach my $cluster (@{$::clusters})
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{
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$pid= mtr_ndbmgm_start($cluster, "shutdown");
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mtr_debug(" - cluster " .
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"(pid: $cluster->{pid}; " .
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"pid file: '$cluster->{path_pid})");
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my $pid= mtr_ndbmgm_start($cluster, "shutdown");
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# Save the pid of the ndb_mgm process
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$admin_pids{$pid}= 1;
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@@ -376,13 +415,16 @@ sub mtr_kill_leftovers () {
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foreach my $ndbd (@{$cluster->{'ndbds'}})
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{
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mtr_debug(" - ndbd " .
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"(pid: $ndbd->{pid}; " .
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"pid file: '$ndbd->{path_pid})");
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push(@kill_pids,{
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pid => $ndbd->{'pid'},
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pidfile => $ndbd->{'path_pid'},
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});
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$ndbd->{'pid'}= 0; # Assume we are done with it
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}
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}
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# Wait for all the admin processes to complete
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@@ -411,6 +453,8 @@ sub mtr_kill_leftovers () {
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# FIXME $path_run_dir or something
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my $rundir= "$::opt_vardir/run";
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mtr_debug("Processing PID files in directory '$rundir'...");
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if ( -d $rundir )
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{
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opendir(RUNDIR, $rundir)
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@@ -424,8 +468,12 @@ sub mtr_kill_leftovers () {
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if ( -f $pidfile )
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{
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mtr_debug("Processing PID file: '$pidfile'...");
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my $pid= mtr_get_pid_from_file($pidfile);
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mtr_debug("Got pid: $pid from file '$pidfile'");
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# Race, could have been removed between I tested with -f
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# and the unlink() below, so I better check again with -f
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@@ -436,14 +484,24 @@ sub mtr_kill_leftovers () {
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if ( $::glob_cygwin_perl or kill(0, $pid) )
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{
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mtr_debug("There is process with pid $pid -- scheduling for kill.");
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push(@pids, $pid); # We know (cygwin guess) it exists
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}
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else
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{
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mtr_debug("There is no process with pid $pid -- skipping.");
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}
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}
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}
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closedir(RUNDIR);
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if ( @pids )
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{
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mtr_debug("Killing the following processes with PID files: " .
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join(' ', @pids) . "...");
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start_reap_all();
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if ( $::glob_cygwin_perl )
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{
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# We have no (easy) way of knowing the Cygwin controlling
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@@ -457,6 +515,7 @@ sub mtr_kill_leftovers () {
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my $retries= 10; # 10 seconds
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do
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{
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mtr_debug("Sending SIGKILL to pids: " . join(' ', @pids));
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kill(9, @pids);
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mtr_report("Sleep 1 second waiting for processes to die");
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sleep(1) # Wait one second
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@@ -467,12 +526,20 @@ sub mtr_kill_leftovers () {
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mtr_warning("can't kill process(es) " . join(" ", @pids));
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}
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}
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stop_reap_all();
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}
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}
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else
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{
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mtr_debug("Directory for PID files ($rundir) does not exist.");
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}
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# We may have failed everything, but we now check again if we have
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# the listen ports free to use, and if they are free, just go for it.
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mtr_debug("Checking known mysqld servers...");
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foreach my $srv ( @kill_pids )
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{
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if ( defined $srv->{'port'} and mtr_ping_port($srv->{'port'}) )
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@@ -480,6 +547,8 @@ sub mtr_kill_leftovers () {
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mtr_warning("can't kill old process holding port $srv->{'port'}");
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}
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}
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mtr_debug("mtr_kill_leftovers(): finished.");
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}
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@@ -736,6 +805,9 @@ sub mtr_ping_with_timeout($) {
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my $res= 1; # If we just fall through, we are done
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# in the sense that the servers don't
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# listen to their ports any longer
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mtr_debug("Waiting for mysqld servers to stop...");
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TIME:
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while ( $timeout-- )
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{
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@@ -763,7 +835,14 @@ sub mtr_ping_with_timeout($) {
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last; # If we got here, we are done
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}
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$timeout or mtr_report("At least one server is still listening to its port");
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if ($res)
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{
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mtr_debug("mtr_ping_with_timeout(): All mysqld instances are down.");
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}
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else
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{
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mtr_report("mtr_ping_with_timeout(): At least one server is alive.");
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}
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return $res;
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}
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@@ -946,6 +1025,9 @@ sub mtr_ping_port ($) {
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{
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mtr_error("can't create socket: $!");
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}
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mtr_debug("Pinging server (port: $port)...");
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if ( connect(SOCK, $paddr) )
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{
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close(SOCK); # FIXME check error?
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@@ -1016,34 +1098,12 @@ sub mtr_kill_processes ($) {
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{
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foreach my $sig (15, 9)
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{
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last if mtr_kill_process($pid, $sig, 10);
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last if mtr_im_kill_process([ $pid ], $sig, 10);
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}
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}
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}
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sub mtr_kill_process ($$$) {
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my $pid= shift;
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my $signal= shift;
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my $timeout= shift; # Seconds to wait for process
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my $max_loop= $timeout*10; # Sleeping 0.1 between each kill attempt
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for (my $cur_attempt= 1; $cur_attempt <= $max_loop; ++$cur_attempt)
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{
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mtr_debug("Sending $signal to $pid...");
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kill($signal, $pid);
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last unless kill (0, $pid) and $max_loop--;
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mtr_verbose("Sleep 0.1 second waiting for processes $pid to die");
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select(undef, undef, undef, 0.1);
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}
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return $max_loop;
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}
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##############################################################################
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#
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# When we exit, we kill off all children
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@@ -1073,4 +1133,679 @@ sub mtr_exit ($) {
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exit($code);
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}
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##############################################################################
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#
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# Instance Manager management routines.
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#
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##############################################################################
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sub mtr_im_kill_process ($$$) {
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my $pid_lst= shift;
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my $signal= shift;
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my $timeout= shift;
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my $total_attempts= $timeout * 10;
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my %pids;
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foreach my $pid (@{$pid_lst})
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{
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$pids{$pid}= 1;
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}
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for (my $cur_attempt= 1; $cur_attempt <= $total_attempts; ++$cur_attempt)
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{
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foreach my $pid (keys %pids)
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{
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mtr_debug("Sending $signal to $pid...");
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kill($signal, $pid);
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unless (kill (0, $pid))
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{
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mtr_debug("Process $pid died.");
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delete $pids{$pid};
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}
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}
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return if scalar keys %pids == 0;
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mtr_debug("Sleeping 100ms waiting for processes to die...");
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select(undef, undef, undef, 0.1);
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}
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mtr_debug("Process(es) " .
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join(' ', keys %pids) .
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" is still alive after $total_attempts " .
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"of sending signal $signal.");
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}
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###########################################################################
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sub mtr_im_load_pids($) {
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my $instance_manager= shift;
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mtr_debug("Loading PID files...");
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# Obtain mysqld-process pids.
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my $instances = $instance_manager->{'instances'};
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for (my $idx= 0; $idx < 2; ++$idx)
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{
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mtr_debug("IM-guarded mysqld[$idx] PID file: '" .
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$instances->[$idx]->{'path_pid'} . "'.");
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my $mysqld_pid;
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if (-r $instances->[$idx]->{'path_pid'})
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{
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$mysqld_pid= mtr_get_pid_from_file($instances->[$idx]->{'path_pid'});
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mtr_debug("IM-guarded mysqld[$idx] PID: $mysqld_pid.");
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}
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else
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{
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$mysqld_pid= undef;
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mtr_debug("IM-guarded mysqld[$idx]: no PID file.");
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}
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$instances->[$idx]->{'pid'}= $mysqld_pid;
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}
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# Re-read Instance Manager PIDs from the file, since during tests Instance
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# Manager could have been restarted, so its PIDs could have been changed.
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# - IM-main
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mtr_debug("IM-main PID file: '$instance_manager->{path_pid}'.");
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if (-f $instance_manager->{'path_pid'})
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{
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$instance_manager->{'pid'} =
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mtr_get_pid_from_file($instance_manager->{'path_pid'});
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mtr_debug("IM-main PID: $instance_manager->{pid}.");
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}
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else
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{
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mtr_debug("IM-main: no PID file.");
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$instance_manager->{'pid'}= undef;
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}
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# - IM-angel
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mtr_debug("IM-angel PID file: '$instance_manager->{path_angel_pid}'.");
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if (-f $instance_manager->{'path_angel_pid'})
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{
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$instance_manager->{'angel_pid'} =
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mtr_get_pid_from_file($instance_manager->{'path_angel_pid'});
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mtr_debug("IM-angel PID: $instance_manager->{'angel_pid'}.");
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}
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else
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{
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mtr_debug("IM-angel: no PID file.");
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$instance_manager->{'angel_pid'} = undef;
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}
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}
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###########################################################################
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sub mtr_im_terminate($) {
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my $instance_manager= shift;
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# Load pids from pid-files. We should do it first of all, because IM deletes
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# them on shutdown.
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mtr_im_load_pids($instance_manager);
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mtr_debug("Shutting Instance Manager down...");
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# Ignoring SIGCHLD so that all children could rest in peace.
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start_reap_all();
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# Send SIGTERM to IM-main.
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if (defined $instance_manager->{'pid'})
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{
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mtr_debug("IM-main pid: $instance_manager->{pid}.");
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mtr_debug("Stopping IM-main...");
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mtr_im_kill_process([ $instance_manager->{'pid'} ], 'TERM', 10);
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}
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else
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{
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mtr_debug("IM-main pid: n/a.");
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}
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# If IM-angel was alive, wait for it to die.
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if (defined $instance_manager->{'angel_pid'})
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{
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mtr_debug("IM-angel pid: $instance_manager->{'angel_pid'}.");
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mtr_debug("Waiting for IM-angel to die...");
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my $total_attempts= 10;
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for (my $cur_attempt=1; $cur_attempt <= $total_attempts; ++$cur_attempt)
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{
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unless (kill (0, $instance_manager->{'angel_pid'}))
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{
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mtr_debug("IM-angel died.");
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last;
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}
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sleep(1);
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}
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}
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else
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{
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mtr_debug("IM-angel pid: n/a.");
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}
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stop_reap_all();
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# Re-load PIDs.
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mtr_im_load_pids($instance_manager);
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}
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###########################################################################
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sub mtr_im_check_alive($) {
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my $instance_manager= shift;
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mtr_debug("Checking whether IM-components are alive...");
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return 1 if mtr_im_check_main_alive($instance_manager);
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return 1 if mtr_im_check_angel_alive($instance_manager);
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return 1 if mtr_im_check_mysqlds_alive($instance_manager);
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return 0;
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}
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###########################################################################
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sub mtr_im_check_main_alive($) {
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my $instance_manager= shift;
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# Check that the process, that we know to be IM's, is dead.
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if (defined $instance_manager->{'pid'})
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{
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if (kill (0, $instance_manager->{'pid'}))
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{
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mtr_debug("IM-main (PID: $instance_manager->{pid}) is alive.");
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return 1;
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}
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else
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{
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mtr_debug("IM-main (PID: $instance_manager->{pid}) is dead.");
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}
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}
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else
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{
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mtr_debug("No PID file for IM-main.");
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}
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# Check that IM does not accept client connections.
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if (mtr_ping_port($instance_manager->{'port'}))
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{
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mtr_debug("IM-main (port: $instance_manager->{port}) " .
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"is accepting connections.");
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mtr_im_errlog("IM-main is accepting connections on port " .
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||||
"$instance_manager->{port}, but there is no " .
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||||
"process information.");
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return 1;
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}
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else
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||||
{
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mtr_debug("IM-main (port: $instance_manager->{port}) " .
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"does not accept connections.");
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return 0;
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}
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}
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||||
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||||
###########################################################################
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||||
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sub mtr_im_check_angel_alive($) {
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my $instance_manager= shift;
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||||
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||||
# Check that the process, that we know to be the Angel, is dead.
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||||
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||||
if (defined $instance_manager->{'angel_pid'})
|
||||
{
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||||
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;
|
||||
|
||||
Reference in New Issue
Block a user