--- loncom/loncron 2004/05/11 19:12:50 1.46 +++ loncom/loncron 2004/05/25 15:20:31 1.51 @@ -1,26 +1,42 @@ #!/usr/bin/perl -# The LearningOnline Network -# Housekeeping program, started by cron +# Housekeeping program, started by cron, loncontrol and loncron.pl # -# (TCP networking package -# 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, -# 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer) +# $Id: loncron,v 1.51 2004/05/25 15:20:31 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ # -# 7/14,7/15,7/19,7/21,7/22,11/18, -# 2/8 Gerd Kortemeyer -# 12/23 Gerd Kortemeyer -# YEAR=2001 -# 09/04,09/06,11/26 Gerd Kortemeyer $|=1; +use strict; use lib '/home/httpd/lib/perl/'; use LONCAPA::Configuration; use IO::File; use IO::Socket; -use strict; +use HTML::Entities; +use Getopt::Long; #globals use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount); @@ -52,25 +68,33 @@ sub log { sub errout { my $fh=shift; &log($fh,(< +
-
Notices$notices
Warnings$warnings
Errors$errors

Top

+

Top

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"); + 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 2; if (-e $pidfile) { - &log($fh,"Seems like it started ...

"); + &log($fh,"

Seems like it started ...

"); my $lfh=IO::File->new("$pidfile"); my $daemonpid=<$lfh>; chomp($daemonpid); @@ -81,15 +105,15 @@ sub start_daemon { return 0; } } - &log($fh,"Seems like that did not work!

"); + &log($fh,"

Seems like that did not work!

"); $errors++; return 0; } sub checkon_daemon { - my ($fh,$daemon,$maxsize,$sendusr1)=@_; + my ($fh,$daemon,$maxsize,$sendusr1,$args)=@_; - &log($fh,'

'.$daemon.'

Log

');
+    &log($fh,'
'.$daemon.'
Log
');
     printf("%-10s ",$daemon);
     if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
 	open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
@@ -101,7 +125,7 @@ sub checkon_daemon {
 	};
 	close (DFH);
     }
-    &log($fh,"
"); + &log($fh,"

"); my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid"; @@ -136,16 +160,16 @@ sub checkon_daemon { '
'); &log($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"; } else { $errors++; &log($fh,"

$daemon at pid $daemonpid not responding

"); - &log($fh,"Give it one more try ...

"); + &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"; @@ -154,7 +178,7 @@ sub checkon_daemon { $simplestatus{$daemon}='failed'; $errors++; $errors++; &log($fh,"

$daemon at pid $daemonpid not responding

"); - &log($fh,"Unable to start $daemon

"); + &log($fh,"

Unable to start $daemon

"); } } @@ -167,7 +191,7 @@ sub checkon_daemon { if ($line=~/CRITICAL/) { $notices++; } }; close (DFH); - &log($fh,""); + &log($fh,"

"); } } @@ -179,7 +203,7 @@ sub checkon_daemon { $blksize,$blocks)=stat($fname); if ($size>$maxsize) { - &log($fh,"Rotating logs ...

"); + &log($fh,"

Rotating logs ...

"); rename("$fname.2","$fname.3"); rename("$fname.1","$fname.2"); rename("$fname","$fname.1"); @@ -191,7 +215,7 @@ sub checkon_daemon { # --------------------------------------------------------------------- Machine sub log_machine_info { my ($fh)=@_; - &log($fh,'

Machine Information

'); + &log($fh,'

Machine Information

'); &log($fh,"

loadavg

"); open (LOADAVGH,"/proc/loadavg"); @@ -214,7 +238,7 @@ sub log_machine_info { open (DFH,"df|"); while (my $line=) { - &log($fh,"$line"); + &log($fh,&encode_entities($line,'<>&"')); @parts=split(/\s+/,$line); my $usage=$parts[4]; $usage=~s/\W//g; @@ -238,7 +262,7 @@ sub log_machine_info { open (PSH,"ps -aux --cols 140 |"); while (my $line=) { - &log($fh,"$line"); + &log($fh,&encode_entities($line,'<>&"')); $psproc++; } close (PSH); @@ -264,35 +288,36 @@ sub start_logging { LON Status Report $perlvar{'lonHostID'} - +

LON Status Report $perlvar{'lonHostID'}

$date ($now)

    -
  1. Configuration -
  2. Machine Information -
  3. Temporary Files -
  4. Session Tokens -
  5. httpd -
  6. lonsql -
  7. lond -
  8. lonc -
  9. lonhttpd -
  10. lonnet -
  11. Connections -
  12. Delayed Messages -
  13. Error Coindex.html.unt +
  14. Configuration
    15. +
  15. Machine Information
    16. +
  16. Temporary Files
    17. +
  17. Session Tokens
    18. +
  18. httpd
    19. +
  19. lonsql
    20. +
  20. lond
    21. +
  21. lonc
    22. +
  22. lonhttpd
    23. +
  23. lonnet
    24. +
  24. Connections
    25. +
  25. Delayed Messages
    26. +
  26. Error Count
-
- +
+

Configuration

PerlVars

- +
ENDHEADERS foreach my $varname (sort(keys(%perlvar))) { - &log($fh,"\n"); + &log($fh,"\n"); } - &log($fh,"
$varname$perlvar{$varname}
$varname". + &encode_entities($perlvar{$varname},'<>&"')."

Hosts

"); + &log($fh,"

Hosts

"); foreach my $id (sort(keys(%{$hostname}))) { &log($fh, "
$id".$hostdom->{$id}. @@ -301,7 +326,7 @@ ENDHEADERS } &log($fh,"

Spare Hosts

    "); foreach my $id (sort(keys(%{$spareid}))) { - &log($fh,"
  1. $id\n"); + &log($fh,"
  2. $id\n
    3. "); } &log($fh,"
\n"); return $fh; @@ -310,7 +335,7 @@ ENDHEADERS # --------------------------------------------------------------- clean out tmp sub clean_tmp { my ($fh)=@_; - &log($fh,'

Temporary Files

'); + &log($fh,'

Temporary Files

'); my $cleaned=0; my $old=0; while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) { @@ -343,7 +368,7 @@ sub clean_tmp { # ------------------------------------------------------------ clean out lonIDs sub clean_lonIDs { my ($fh)=@_; - &log($fh,'

Session Tokens

'); + &log($fh,'

Session Tokens

'); my $cleaned=0; my $active=0; while (my $fname=<$perlvar{'lonIDsDir'}/*>) { @@ -361,7 +386,7 @@ sub clean_lonIDs { $active++; } } - &log($fh,"

Cleaned up ".$cleaned." stale session token(s)."); + &log($fh,"

Cleaned up ".$cleaned." stale session token(s).

"); &log($fh,"

$active open session(s)

"); } @@ -369,10 +394,10 @@ sub clean_lonIDs { # ----------------------------------------------------------------------- httpd sub check_httpd_logs { my ($fh)=@_; - &log($fh,'

httpd

Access Log

');
+    &log($fh,'
httpd
Access Log
');
     
     open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
-    while (my $line=) { &log($fh,"$line") };
+    while (my $line=) { &log($fh,&encode_entities($line,'<>&"')) };
     close (DFH);
 	
     &log($fh,"
Error Log
");
@@ -389,14 +414,14 @@ sub check_httpd_logs {
 
 # ---------------------------------------------------------------------- lonnet
 
-sub rotate_logs {
+sub rotate_lonnet_logs {
     my ($fh)=@_;
-    &log($fh,'
lonnet
Temp Log
');
+    &log($fh,'
lonnet
Temp Log
');
     print "checking logs\n";
     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
 	open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
 	while (my $line=) { 
-	    &log($fh,"$line");
+	    &log($fh,&encode_entities($line,'<>&"'));
 	}
 	close (DFH);
     }
@@ -405,7 +430,7 @@ sub rotate_logs {
     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
 	open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
 	while (my $line=) { 
-	    &log($fh,"$line");
+	    &log($fh,&encode_entities($line,'<>&"'));
 	}
 	close (DFH);
     } else { &log($fh,"No perm log\n") }
@@ -418,7 +443,7 @@ sub rotate_logs {
 	$blksize,$blocks)=stat($fname);
 
     if ($size>40000) {
-	&log($fh,"Rotating logs ...
");
+	&log($fh,"
Rotating logs ...
");
 	rename("$fname.2","$fname.3");
 	rename("$fname.1","$fname.2");
 	rename("$fname","$fname.1");
@@ -431,25 +456,32 @@ sub rotate_logs {
 # ----------------------------------------------------------------- Connections
 sub test_connections {
     my ($fh,$hostname)=@_;
-    &log($fh,'
Connections
');
+    &log($fh,'
Connections
');
     print "testing connections\n";
-    &log($fh,"");
+    &log($fh,"
");
+    my ($good,$bad)=(0,0);
     foreach my $tryserver (sort(keys(%{$hostname}))) {
 	print(".");
 	my $result;
 	my $answer=reply("pong",$tryserver);
 	if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
 	    $result="ok";
+	    $good++;
 	} else {
 	    $result=$answer;
 	    $warnings++;
-	    if ($answer eq 'con_lost') { $warnings++; }
+	    if ($answer eq 'con_lost') {
+		$bad++;
+		$warnings++;
+	    } else {
+		$good++; #self connection
+	    }
 	}
 	if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
 	&log($fh,"\n");
     }
     &log($fh,"
$tryserver$result
");
-
+    print "\n$good good, $bad bad connections\n";
     &errout($fh);
 }
 
@@ -457,7 +489,7 @@ sub test_connections {
 # ------------------------------------------------------------ Delayed messages
 sub check_delayed_msg {
     my ($fh)=@_;
-    &log($fh,'
Delayed Messages
');
+    &log($fh,'
Delayed Messages
');
     print "checking buffers\n";
     
     &log($fh,'
Scanning Permanent Log
');
@@ -476,28 +508,29 @@ sub check_delayed_msg {
 	if ($sdf eq 'D') { $unsend++; }
     }
 
-    &log($fh,"Total unsend messages: $unsend
\n");
+    &log($fh,"
Total unsend messages: $unsend
\n");
     $warnings=$warnings+5*$unsend;
 
     if ($unsend) { $simplestatus{'unsend'}=$unsend; }
-    &log($fh,"
Outgoing Buffer
");
+    &log($fh,"
Outgoing Buffer
\n
");
 
     open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
     while (my $line=) { 
-	&log($fh,"$line
");
+	&log($fh,&encode_entities($line,'<>&"'));
     }
+    &log($fh,"
\n");
     close (DFH);
 }
 
 sub finish_logging {
     my ($fh)=@_;
-    &log($fh,"\n");
+    &log($fh,"\n");
     $totalcount=$notices+4*$warnings+100*$errors;
     &errout($fh);
     &log($fh,"
Total Error Count: $totalcount
");
     my $now=time;
     my $date=localtime($now);
-    &log($fh,"
$date ($now)\n");
+    &log($fh,"
$date ($now)\n");
     print "lon-status webpage updated\n";
     $fh->close();
 
@@ -528,8 +561,36 @@ sub send_mail {
     system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
 }
 
+sub usage {
+    print(< \$help,
+		"oldlonc"              => \$oldlonc,
+		"justcheckdaemons"     => \$justcheckdaemons,
+		"noemail"              => \$noemail,
+		"justcheckconnections" => \$justcheckconnections
+		);
+    if ($help) { &usage(); return; }
 # --------------------------------- Read loncapa_apache.conf and loncapa.conf
     my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
     %perlvar=%{$perlvarref};
@@ -567,15 +628,12 @@ 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) {
 	    $hostname{$id}=$name;
 	    $hostdom{$id}=$domain;
 	    $hostrole{$id}=$role;
-	} else {
-	    if ($configline) {
-#		&logthis("Skipping hosts.tab line -$configline-");
-	    }
 	}
     }
     undef $config;
@@ -597,24 +655,35 @@ sub main () {
     $warnings=0;
     $notices=0;
 
-    my $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
-
-    &log_machine_info($fh);
-    &clean_tmp($fh);
-    &clean_lonIDs($fh);
-    &check_httpd_logs($fh);
-    &checkon_daemon($fh,'lonsql',200000);
-    &checkon_daemon($fh,'lond',40000,1);
-    &checkon_daemon($fh,'lonc',40000,1);
-    &checkon_daemon($fh,'lonhttpd',40000);
-    
-    &test_connections($fh,\%hostname);
-    &check_delayed_msg($fh);
-
-    &finish_logging($fh);
-    &log_simplestatus();
 	
-    if ($totalcount>200) { &send_mail(); }
+    my $fh;
+    if (!$justcheckdaemons && !$justcheckconnections) {
+	$fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
+
+	&log_machine_info($fh);
+	&clean_tmp($fh);
+	&clean_lonIDs($fh);
+	&check_httpd_logs($fh);
+	&rotate_lonnet_logs($fh);
+    }
+    if (!$justcheckconnections) {
+	&checkon_daemon($fh,'lonsql',200000);
+	&checkon_daemon($fh,'lond',40000,1);
+	my $args='new';
+	if ($oldlonc) { $args = ''; }
+	&checkon_daemon($fh,'lonc',40000,1,$args);
+	&checkon_daemon($fh,'lonhttpd',40000);
+    }
+    if (!$justcheckdaemons) {
+	&test_connections($fh,\%hostname);
+    }
+    if (!$justcheckdaemons && !$justcheckconnections) {
+	&check_delayed_msg($fh);
+	&finish_logging($fh);
+	&log_simplestatus();
+	
+	if ($totalcount>200 && !$noemail) { &send_mail(); }
+    }
 }
 
 &main();