--- loncom/loncron 2005/02/09 20:41:29 1.56 +++ loncom/loncron 2005/11/10 19:07:01 1.62 @@ -2,7 +2,7 @@ # Housekeeping program, started by cron, loncontrol and loncron.pl # -# $Id: loncron,v 1.56 2005/02/09 20:41:29 albertel Exp $ +# $Id: loncron,v 1.62 2005/11/10 19:07:01 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -92,14 +92,13 @@ sub start_daemon { rename("$error_fname","$error_fname.1"); } system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors"); - sleep 2; + sleep 1; if (-e $pidfile) { &log($fh,"

Seems like it started ...

"); my $lfh=IO::File->new("$pidfile"); my $daemonpid=<$lfh>; chomp($daemonpid); - sleep 2; - if (kill 0 => $daemonpid) { + if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) { return 1; } else { return 0; @@ -111,10 +110,10 @@ sub start_daemon { } sub checkon_daemon { - my ($fh,$daemon,$maxsize,$sendusr1,$args)=@_; + my ($fh,$daemon,$maxsize,$send,$args)=@_; &log($fh,'

'.$daemon.'

Log

'); - printf("%-10s ",$daemon); + printf("%-15s ",$daemon); if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){ open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|"); while (my $line=) { @@ -135,13 +134,18 @@ sub checkon_daemon { my $lfh=IO::File->new("$pidfile"); $daemonpid=<$lfh>; chomp($daemonpid); - if (kill 0 => $daemonpid) { + if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) { &log($fh,"

$daemon at pid $daemonpid responding"); - if ($sendusr1) { &log($fh,", sending USR1"); } + if ($send) { &log($fh,", sending $send"); } &log($fh,"

"); - if ($sendusr1) { kill USR1 => $daemonpid; } + if ($send eq 'USR1') { kill USR1 => $daemonpid; } + if ($send eq 'USR2') { kill USR2 => $daemonpid; } $restartflag=0; - print "running\n"; + if ($send eq 'USR2') { + print "reloaded\n"; + } else { + print "running\n"; + } } else { $errors++; &log($fh,"

$daemon at pid $daemonpid not responding

"); @@ -152,11 +156,13 @@ sub checkon_daemon { if ($restartflag==1) { $simplestatus{$daemon}='off'; $errors++; + my $kadaemon=$daemon; + if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; } &log($fh,'
Killall '.$daemon.': '. - `killall $daemon 2>&1`.' - '); - sleep 2; + `killall $kadaemon 2>&1`.' - '); + sleep 1; &log($fh,unlink($pidfile).' - '. - `killall -9 $daemon 2>&1`. + `killall -9 $kadaemon 2>&1`. '
'); &log($fh,"

$daemon not running, trying to start

"); @@ -271,6 +277,16 @@ sub log_machine_info { if ($psproc>200) { $notices++; } if ($psproc>250) { $notices++; } + &log($fh,"

distprobe

"); + &log($fh,"
");
+    open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
+    while (my $line=) { 
+	&log($fh,&encode_entities($line,'<>&"')); 
+	$psproc++;
+    }
+    close(DSH);
+    &log($fh,"
"); + &errout($fh); } @@ -559,7 +575,7 @@ sub send_mail { } my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; - my $result=system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null"); + my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null"); if ($result != 0) { $result=system("mail -s '$subj' $emailto < $statusdir/index.html"); } @@ -581,18 +597,24 @@ Options: running, do not send emails do not check the lonc/d connections, do not generate lon-status + --justreload Only tell the daemons to reload the config files, + do not send emails do not + check if the daemons are running, do not + generate lon-status USAGE } # ================================================================ Main Program sub main () { - my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections); + my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections, + $justreload); &GetOptions("help" => \$help, "oldlonc" => \$oldlonc, "justcheckdaemons" => \$justcheckdaemons, "noemail" => \$noemail, - "justcheckconnections" => \$justcheckconnections + "justcheckconnections" => \$justcheckconnections, + "justreload" => \$justreload ); if ($help) { &usage(); return; } # --------------------------------- Read loncapa_apache.conf and loncapa.conf @@ -662,7 +684,7 @@ sub main () { my $fh; - if (!$justcheckdaemons && !$justcheckconnections) { + if (!$justcheckdaemons && !$justcheckconnections && !$justreload) { $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid); &log_machine_info($fh); @@ -671,18 +693,25 @@ sub main () { &check_httpd_logs($fh); &rotate_lonnet_logs($fh); } - if (!$justcheckconnections) { + if (!$justcheckconnections && !$justreload) { &checkon_daemon($fh,'lonsql',200000); - &checkon_daemon($fh,'lond',40000,1); + &checkon_daemon($fh,'lond',40000,'USR1'); my $args='new'; if ($oldlonc) { $args = ''; } - &checkon_daemon($fh,'lonc',40000,1,$args); + &checkon_daemon($fh,'lonc',40000,'USR1',$args); &checkon_daemon($fh,'lonhttpd',40000); + &checkon_daemon($fh,'lonmemcached',40000); + } + if ($justreload) { + &checkon_daemon($fh,'lond',40000,'USR2'); + my $args='new'; + if ($oldlonc) { $args = ''; } + &checkon_daemon($fh,'lonc',40000,'USR2',$args); } - if (!$justcheckdaemons) { + if (!$justcheckdaemons && !$justreload) { &test_connections($fh,\%hostname); } - if (!$justcheckdaemons && !$justcheckconnections) { + if (!$justcheckdaemons && !$justcheckconnections && !$justreload) { &check_delayed_msg($fh); &finish_logging($fh); &log_simplestatus();