--- loncom/loncron 2004/05/11 21:08:55 1.49
+++ loncom/loncron 2005/06/13 19:54:28 1.60
@@ -2,7 +2,7 @@
# Housekeeping program, started by cron, loncontrol and loncron.pl
#
-# $Id: loncron,v 1.49 2004/05/11 21:08:55 albertel Exp $
+# $Id: loncron,v 1.60 2005/06/13 19:54:28 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -77,20 +77,27 @@ ENDERROUT
}
sub start_daemon {
- my ($fh,$daemon,$pidfile) = @_;
+ my ($fh,$daemon,$pidfile,$args) = @_;
my $progname=$daemon;
- if ($daemon eq 'lonc' && $ARGV[0] eq 'new') {
+ if ($daemon eq 'lonc' && $args eq 'new') {
$progname='loncnew';
print "new ";
}
- system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
- sleep 2;
+ my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
+ my $size=(stat($error_fname))[7];
+ if ($size>40000) {
+ &log($fh,"Rotating error logs ...
");
+ rename("$error_fname.2","$error_fname.3");
+ rename("$error_fname.1","$error_fname.2");
+ rename("$error_fname","$error_fname.1");
+ }
+ system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
+ 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 => $daemonpid) {
return 1;
} else {
@@ -103,10 +110,10 @@ sub start_daemon {
}
sub checkon_daemon {
- my ($fh,$daemon,$maxsize,$sendusr1)=@_;
+ my ($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 $line=) {
@@ -129,11 +136,16 @@ sub checkon_daemon {
chomp($daemonpid);
if (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 $daemonpid not responding
");
@@ -144,15 +156,17 @@ sub checkon_daemon {
if ($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,"$daemon not running, trying to start
");
- if (&start_daemon($fh,$daemon,$pidfile)) {
+ if (&start_daemon($fh,$daemon,$pidfile,$args)) {
&log($fh,"$daemon at pid $daemonpid responding
");
$simplestatus{$daemon}='restarted';
print "started\n";
@@ -161,7 +175,7 @@ sub checkon_daemon {
&log($fh,"$daemon at pid $daemonpid not responding
");
&log($fh,"Give it one more try ...
");
print " ";
- if (&start_daemon($fh,$daemon,$pidfile)) {
+ if (&start_daemon($fh,$daemon,$pidfile,$args)) {
&log($fh,"$daemon at pid $daemonpid responding
");
$simplestatus{$daemon}='restarted';
print "started\n";
@@ -252,7 +266,7 @@ sub log_machine_info {
&log($fh,"");
my $psproc=0;
- open (PSH,"ps -aux --cols 140 |");
+ open (PSH,"ps aux --cols 140 |");
while (my $line=) {
&log($fh,&encode_entities($line,'<>&"'));
$psproc++;
@@ -455,7 +469,7 @@ sub test_connections {
foreach my $tryserver (sort(keys(%{$hostname}))) {
print(".");
my $result;
- my $answer=reply("pong",$tryserver);
+ my $answer=reply("ping",$tryserver);
if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
$result="ok";
$good++;
@@ -465,6 +479,8 @@ sub test_connections {
if ($answer eq 'con_lost') {
$bad++;
$warnings++;
+ } else {
+ $good++; #self connection
}
}
if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
@@ -544,11 +560,15 @@ sub log_simplestatus {
sub send_mail {
print "sending mail\n";
my $emailto="$perlvar{'lonAdmEMail'}";
- if ($totalcount>1000) {
+ if ($totalcount>2500) {
$emailto.=",$perlvar{'lonSysEMail'}";
}
my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
- system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
+
+ 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 < $statusdir/index.html");
+ }
}
sub usage {
@@ -567,18 +587,24 @@ Options:
running, do not send emails do not
check the lonc/d connections, do not
generate lon-status
+ --justreload Only tell the daemons to reload the config files,
+ do not send emails do not
+ check if the daemons are running, do not
+ generate lon-status
USAGE
}
# ================================================================ Main Program
sub main () {
- my ($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
@@ -619,8 +645,9 @@ sub main () {
my (%hostname,%hostdom,%hostrole,%spareid);
while (my $configline=<$config>) {
next if ($configline =~ /^(\#|\s*\$)/);
- my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
- if ($id && $domain && $role && $name && $ip) {
+ my ($id,$domain,$role,$name)=split(/:/,$configline);
+ if ($id && $domain && $role && $name) {
+ $name=~s/\s//g;
$hostname{$id}=$name;
$hostdom{$id}=$domain;
$hostrole{$id}=$role;
@@ -647,7 +674,7 @@ sub main () {
my $fh;
- if (!$justcheckdaemons && !$justcheckconnections) {
+ if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
$fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
&log_machine_info($fh);
@@ -656,16 +683,25 @@ 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,'lonc',40000,1);
+ &checkon_daemon($fh,'lond',40000,'USR1');
+ my $args='new';
+ if ($oldlonc) { $args = ''; }
+ &checkon_daemon($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();