Annotation of loncom/loncron, revision 1.47

1.1       albertel    1: #!/usr/bin/perl
                      2: 
1.47    ! albertel    3: # Housekeeping program, started by cron, loncontrol and loncron.pl
        !             4: #
        !             5: # $Id: gplheader.pl,v 1.1 2001/11/29 18:19:27 www Exp $
        !             6: #
        !             7: # Copyright Michigan State University Board of Trustees
        !             8: #
        !             9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
        !            10: #
        !            11: # LON-CAPA is free software; you can redistribute it and/or modify
        !            12: # it under the terms of the GNU General Public License as published by
        !            13: # the Free Software Foundation; either version 2 of the License, or
        !            14: # (at your option) any later version.
        !            15: #
        !            16: # LON-CAPA is distributed in the hope that it will be useful,
        !            17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            19: # GNU General Public License for more details.
        !            20: #
        !            21: # You should have received a copy of the GNU General Public License
        !            22: # along with LON-CAPA; if not, write to the Free Software
        !            23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            24: #
        !            25: # /home/httpd/html/adm/gpl.txt
        !            26: #
        !            27: # http://www.lon-capa.org/
1.1       albertel   28: #
1.24      www        29: 
                     30: $|=1;
1.1       albertel   31: 
1.26      harris41   32: use lib '/home/httpd/lib/perl/';
                     33: use LONCAPA::Configuration;
                     34: 
1.1       albertel   35: use IO::File;
                     36: use IO::Socket;
1.46      albertel   37: use strict;
                     38: #globals
                     39: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
                     40: 
                     41: my $statusdir="/home/httpd/html/lon-status";
                     42: 
1.1       albertel   43: 
                     44: # -------------------------------------------------- Non-critical communication
                     45: sub reply {
                     46:     my ($cmd,$server)=@_;
                     47:     my $peerfile="$perlvar{'lonSockDir'}/$server";
                     48:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
                     49:                                      Type    => SOCK_STREAM,
                     50:                                      Timeout => 10)
                     51:        or return "con_lost";
                     52:     print $client "$cmd\n";
                     53:     my $answer=<$client>;
                     54:     chomp($answer);
                     55:     if (!$answer) { $answer="con_lost"; }
                     56:     return $answer;
                     57: }
                     58: 
                     59: # --------------------------------------------------------- Output error status
                     60: 
1.46      albertel   61: sub log {
                     62:     my $fh=shift;
                     63:     if ($fh) {	print $fh @_  }
                     64: }
                     65: 
1.1       albertel   66: sub errout {
                     67:    my $fh=shift;
1.46      albertel   68:    &log($fh,(<<ENDERROUT));
1.1       albertel   69:      <p><table border=2 bgcolor="#CCCCCC">
                     70:      <tr><td>Notices</td><td>$notices</td></tr>
                     71:      <tr><td>Warnings</td><td>$warnings</td></tr>
                     72:      <tr><td>Errors</td><td>$errors</td></tr>
                     73:      </table><p><a href="#top">Top</a><p>
                     74: ENDERROUT
                     75: }
                     76: 
1.42      albertel   77: sub start_daemon {
                     78:     my ($fh,$daemon,$pidfile) = @_;
1.44      albertel   79:     my $progname=$daemon;
                     80:     if ($daemon eq 'lonc' && $ARGV[0] eq 'new') {
                     81: 	$progname='loncnew'; 
                     82: 	print "new ";
                     83:     }
                     84:     system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
1.42      albertel   85:     sleep 2;
                     86:     if (-e $pidfile) {
1.46      albertel   87: 	&log($fh,"Seems like it started ...<p>");
1.42      albertel   88: 	my $lfh=IO::File->new("$pidfile");
                     89: 	my $daemonpid=<$lfh>;
                     90: 	chomp($daemonpid);
                     91: 	sleep 2;
                     92: 	if (kill 0 => $daemonpid) {
                     93: 	    return 1;
                     94: 	} else {
                     95: 	    return 0;
                     96: 	}
                     97:     }
1.46      albertel   98:     &log($fh,"Seems like that did not work!<p>");
1.42      albertel   99:     $errors++;
                    100:     return 0;
                    101: }
                    102: 
                    103: sub checkon_daemon {
                    104:     my ($fh,$daemon,$maxsize,$sendusr1)=@_;
                    105: 
1.46      albertel  106:     &log($fh,'<hr><a name="'.$daemon.'"><h2>'.$daemon.'</h2><h3>Log</h3><pre>');
1.42      albertel  107:     printf("%-10s ",$daemon);
                    108:     if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
                    109: 	open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46      albertel  110: 	while (my $line=<DFH>) { 
                    111: 	    &log($fh,"$line");
1.42      albertel  112: 	    if ($line=~/INFO/) { $notices++; }
                    113: 	    if ($line=~/WARNING/) { $notices++; }
                    114: 	    if ($line=~/CRITICAL/) { $warnings++; }
                    115: 	};
                    116: 	close (DFH);
                    117:     }
1.46      albertel  118:     &log($fh,"</pre>");
1.42      albertel  119:     
                    120:     my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
                    121:     
                    122:     my $restartflag=1;
1.46      albertel  123:     my $daemonpid;
1.42      albertel  124:     if (-e $pidfile) {
                    125: 	my $lfh=IO::File->new("$pidfile");
1.46      albertel  126: 	$daemonpid=<$lfh>;
1.42      albertel  127: 	chomp($daemonpid);
                    128: 	if (kill 0 => $daemonpid) {
1.46      albertel  129: 	    &log($fh,"<h3>$daemon at pid $daemonpid responding");
                    130: 	    if ($sendusr1) { &log($fh,", sending USR1"); }
                    131: 	    &log($fh,"</h3>");
1.42      albertel  132: 	    if ($sendusr1) { kill USR1 => $daemonpid; }
                    133: 	    $restartflag=0;
                    134: 	    print "running\n";
                    135: 	} else {
                    136: 	    $errors++;
1.46      albertel  137: 	    &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.42      albertel  138: 	    $restartflag=1;
1.46      albertel  139: 	    &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
1.42      albertel  140: 	}
                    141:     }
                    142:     if ($restartflag==1) {
                    143: 	$simplestatus{$daemon}='off';
                    144: 	$errors++;
1.46      albertel  145: 	&log($fh,'<br><font color="red">Killall '.$daemon.': '.
                    146: 	    `killall $daemon 2>&1`.' - ');
1.42      albertel  147: 	sleep 2;
1.46      albertel  148: 	&log($fh,unlink($pidfile).' - '.
1.42      albertel  149: 	    `killall -9 $daemon 2>&1`.
1.46      albertel  150: 	    '</font><br>');
                    151: 	&log($fh,"<h3>$daemon not running, trying to start</h3>");
1.42      albertel  152: 	
                    153: 	if (&start_daemon($fh,$daemon,$pidfile)) {
1.46      albertel  154: 	    &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42      albertel  155: 	    $simplestatus{$daemon}='restarted';
                    156: 	    print "started\n";
                    157: 	} else {
                    158: 	    $errors++;
1.46      albertel  159: 	    &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
                    160: 	    &log($fh,"Give it one more try ...<p>");
1.42      albertel  161: 	    print " ";
                    162: 	    if (&start_daemon($fh,$daemon,$pidfile)) {
1.46      albertel  163: 		&log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42      albertel  164: 		$simplestatus{$daemon}='restarted';
                    165: 		print "started\n";
                    166: 	    } else {
                    167: 		print " failed\n";
                    168: 		$simplestatus{$daemon}='failed';
                    169: 		$errors++; $errors++;
1.46      albertel  170: 		&log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
                    171: 		&log($fh,"Unable to start $daemon<p>");
1.42      albertel  172: 	    }
                    173: 	}
                    174: 
                    175: 	if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
1.46      albertel  176: 	    &log($fh,"<p><pre>");
1.42      albertel  177: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46      albertel  178: 	    while (my $line=<DFH>) { 
                    179: 		&log($fh,"$line");
1.42      albertel  180: 		if ($line=~/WARNING/) { $notices++; }
                    181: 		if ($line=~/CRITICAL/) { $notices++; }
                    182: 	    };
                    183: 	    close (DFH);
1.46      albertel  184: 	    &log($fh,"</pre>");
1.42      albertel  185: 	}
                    186:     }
                    187:     
1.46      albertel  188:     my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
1.42      albertel  189:     
                    190:     my ($dev,$ino,$mode,$nlink,
                    191: 	$uid,$gid,$rdev,$size,
                    192: 	$atime,$mtime,$ctime,
                    193: 	$blksize,$blocks)=stat($fname);
                    194:     
                    195:     if ($size>$maxsize) {
1.46      albertel  196: 	&log($fh,"Rotating logs ...<p>");
1.42      albertel  197: 	rename("$fname.2","$fname.3");
                    198: 	rename("$fname.1","$fname.2");
                    199: 	rename("$fname","$fname.1");
                    200:     }
                    201: 
                    202:     &errout($fh);
                    203: }
1.1       albertel  204: 
1.46      albertel  205: # --------------------------------------------------------------------- Machine
                    206: sub log_machine_info {
                    207:     my ($fh)=@_;
                    208:     &log($fh,'<hr><a name="machine"><h2>Machine Information</h2>');
                    209:     &log($fh,"<h3>loadavg</h3>");
                    210: 	
                    211:     open (LOADAVGH,"/proc/loadavg");
                    212:     my $loadavg=<LOADAVGH>;
                    213:     close (LOADAVGH);
                    214:     
                    215:     &log($fh,"<tt>$loadavg</tt>");
                    216:     
                    217:     my @parts=split(/\s+/,$loadavg);
                    218:     if ($parts[1]>4.0) {
                    219: 	$errors++;
                    220:     } elsif ($parts[1]>2.0) {
                    221: 	$warnings++;
                    222:     } elsif ($parts[1]>1.0) {
                    223: 	$notices++;
                    224:     }
1.13      harris41  225: 
1.46      albertel  226:     &log($fh,"<h3>df</h3>");
                    227:     &log($fh,"<pre>");
1.14      harris41  228: 
1.46      albertel  229:     open (DFH,"df|");
                    230:     while (my $line=<DFH>) { 
                    231: 	&log($fh,"$line"); 
                    232: 	@parts=split(/\s+/,$line);
                    233: 	my $usage=$parts[4];
                    234: 	$usage=~s/\W//g;
                    235: 	if ($usage>90) { 
                    236: 	    $warnings++;
                    237: 	    $notices++; 
                    238: 	} elsif ($usage>80) {
                    239: 	    $warnings++;
                    240: 	} elsif ($usage>60) {
                    241: 	    $notices++;
1.31      albertel  242: 	}
1.46      albertel  243: 	if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
1.1       albertel  244:     }
1.46      albertel  245:     close (DFH);
                    246:     &log($fh,"</pre>");
1.1       albertel  247: 
                    248: 
1.46      albertel  249:     &log($fh,"<h3>ps</h3>");
                    250:     &log($fh,"<pre>");
                    251:     my $psproc=0;
1.1       albertel  252: 
1.46      albertel  253:     open (PSH,"ps -aux --cols 140 |");
                    254:     while (my $line=<PSH>) { 
                    255: 	&log($fh,"$line"); 
                    256: 	$psproc++;
                    257:     }
                    258:     close (PSH);
                    259:     &log($fh,"</pre>");
1.1       albertel  260: 
1.46      albertel  261:     if ($psproc>200) { $notices++; }
                    262:     if ($psproc>250) { $notices++; }
1.1       albertel  263: 
1.46      albertel  264:     &errout($fh);
                    265: }
1.1       albertel  266: 
1.46      albertel  267: sub start_logging {
                    268:     my ($hostdom,$hostrole,$hostname,$spareid)=@_;
1.43      albertel  269:     my $fh=IO::File->new(">$statusdir/newstatus.html");
                    270:     my %simplestatus=();
1.46      albertel  271:     my $now=time;
                    272:     my $date=localtime($now);
1.43      albertel  273:     
1.46      albertel  274: 
                    275:     &log($fh,(<<ENDHEADERS));
1.1       albertel  276: <html>
                    277: <head>
                    278: <title>LON Status Report $perlvar{'lonHostID'}</title>
                    279: </head>
1.3       www       280: <body bgcolor="#AAAAAA">
1.1       albertel  281: <a name="top">
                    282: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
                    283: <h2>$date ($now)</h2>
                    284: <ol>
                    285: <li><a href="#configuration">Configuration</a>
                    286: <li><a href="#machine">Machine Information</a>
1.11      www       287: <li><a href="#tmp">Temporary Files</a>
                    288: <li><a href="#tokens">Session Tokens</a>
1.1       albertel  289: <li><a href="#httpd">httpd</a>
1.11      www       290: <li><a href="#lonsql">lonsql</a>
1.1       albertel  291: <li><a href="#lond">lond</a>
                    292: <li><a href="#lonc">lonc</a>
1.34      www       293: <li><a href="#lonhttpd">lonhttpd</a>
1.1       albertel  294: <li><a href="#lonnet">lonnet</a>
                    295: <li><a href="#connections">Connections</a>
                    296: <li><a href="#delayed">Delayed Messages</a>
1.46      albertel  297: <li><a href="#errcount">Error Coindex.html.unt</a>
1.1       albertel  298: </ol>
                    299: <hr>
                    300: <a name="configuration">
                    301: <h2>Configuration</h2>
                    302: <h3>PerlVars</h3>
                    303: <table border=2>
                    304: ENDHEADERS
                    305: 
1.46      albertel  306:     foreach my $varname (sort(keys(%perlvar))) {
                    307: 	&log($fh,"<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n");
1.43      albertel  308:     }
1.46      albertel  309:     &log($fh,"</table><h3>Hosts</h3><table border=2>");
                    310:     foreach my $id (sort(keys(%{$hostname}))) {
                    311: 	&log($fh,
                    312: 	    "<tr><td>$id</td><td>".$hostdom->{$id}.
                    313: 	    "</td><td>".$hostrole->{$id}.
                    314: 	    "</td><td>".$hostname->{$id}."</td></tr>\n");
                    315:     }
                    316:     &log($fh,"</table><h3>Spare Hosts</h3><ol>");
                    317:     foreach my $id (sort(keys(%{$spareid}))) {
                    318: 	&log($fh,"<li>$id\n");
1.43      albertel  319:     }
1.46      albertel  320:     &log($fh,"</ol>\n");
                    321:     return $fh;
                    322: }
1.11      www       323: 
                    324: # --------------------------------------------------------------- clean out tmp
1.46      albertel  325: sub clean_tmp {
                    326:     my ($fh)=@_;
                    327:     &log($fh,'<hr><a name="tmp"><h2>Temporary Files</h2>');
                    328:     my $cleaned=0;
                    329:     my $old=0;
                    330:     while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
1.43      albertel  331: 	my ($dev,$ino,$mode,$nlink,
                    332: 	    $uid,$gid,$rdev,$size,
                    333: 	    $atime,$mtime,$ctime,
                    334: 	    $blksize,$blocks)=stat($fname);
1.46      albertel  335: 	my $now=time;
                    336: 	my $since=$now-$mtime;
1.43      albertel  337: 	if ($since>$perlvar{'lonExpire'}) {
1.46      albertel  338: 	    my $line='';
1.43      albertel  339: 	    if (open(PROBE,$fname)) {
                    340: 		$line=<PROBE>;
                    341: 		close(PROBE);
                    342: 	    }
                    343: 	    unless ($line=~/^CHECKOUTTOKEN\&/) {
                    344: 		$cleaned++;
                    345: 		unlink("$fname");
                    346: 	    } else {
                    347: 		if ($since>365*$perlvar{'lonExpire'}) {
                    348: 		    $cleaned++;
                    349: 		    unlink("$fname");
                    350: 		} else { $old++; }
                    351: 	    }
                    352: 	}
                    353:     }
1.46      albertel  354:     &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
                    355: }
1.11      www       356: 
                    357: # ------------------------------------------------------------ clean out lonIDs
1.46      albertel  358: sub clean_lonIDs {
                    359:     my ($fh)=@_;
                    360:     &log($fh,'<hr><a name="tokens"><h2>Session Tokens</h2>');
                    361:     my $cleaned=0;
                    362:     my $active=0;
                    363:     while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
1.43      albertel  364: 	my ($dev,$ino,$mode,$nlink,
                    365: 	    $uid,$gid,$rdev,$size,
                    366: 	    $atime,$mtime,$ctime,
                    367: 	    $blksize,$blocks)=stat($fname);
1.46      albertel  368: 	my $now=time;
                    369: 	my $since=$now-$mtime;
1.43      albertel  370: 	if ($since>$perlvar{'lonExpire'}) {
                    371: 	    $cleaned++;
1.46      albertel  372: 	    &log($fh,"Unlinking $fname<br>");
1.43      albertel  373: 	    unlink("$fname");
                    374: 	} else {
                    375: 	    $active++;
                    376: 	}
1.46      albertel  377:     }
                    378:     &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).");
                    379:     &log($fh,"<h3>$active open session(s)</h3>");
                    380: }
1.43      albertel  381: 
1.11      www       382: 
1.1       albertel  383: # ----------------------------------------------------------------------- httpd
1.46      albertel  384: sub check_httpd_logs {
                    385:     my ($fh)=@_;
                    386:     &log($fh,'<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>');
1.43      albertel  387:     
                    388:     open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.46      albertel  389:     while (my $line=<DFH>) { &log($fh,"$line") };
1.43      albertel  390:     close (DFH);
1.46      albertel  391: 	
                    392:     &log($fh,"</pre><h3>Error Log</h3><pre>");
                    393: 	
1.43      albertel  394:     open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.46      albertel  395:     while (my $line=<DFH>) { 
                    396: 	&log($fh,"$line");
1.43      albertel  397: 	if ($line=~/\[error\]/) { $notices++; } 
1.46      albertel  398:     }
1.43      albertel  399:     close (DFH);
1.46      albertel  400:     &log($fh,"</pre>");
1.43      albertel  401:     &errout($fh);
1.46      albertel  402: }
1.1       albertel  403: 
                    404: # ---------------------------------------------------------------------- lonnet
                    405: 
1.46      albertel  406: sub rotate_logs {
                    407:     my ($fh)=@_;
                    408:     &log($fh,'<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>');
1.43      albertel  409:     print "checking logs\n";
                    410:     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
                    411: 	open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
1.46      albertel  412: 	while (my $line=<DFH>) { 
                    413: 	    &log($fh,"$line");
                    414: 	}
1.43      albertel  415: 	close (DFH);
                    416:     }
1.46      albertel  417:     &log($fh,"</pre><h3>Perm Log</h3><pre>");
1.43      albertel  418:     
                    419:     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
                    420: 	open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
1.46      albertel  421: 	while (my $line=<DFH>) { 
                    422: 	    &log($fh,"$line");
                    423: 	}
1.43      albertel  424: 	close (DFH);
1.46      albertel  425:     } else { &log($fh,"No perm log\n") }
1.43      albertel  426: 
1.46      albertel  427:     my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
1.43      albertel  428: 
                    429:     my ($dev,$ino,$mode,$nlink,
                    430: 	$uid,$gid,$rdev,$size,
                    431: 	$atime,$mtime,$ctime,
                    432: 	$blksize,$blocks)=stat($fname);
                    433: 
                    434:     if ($size>40000) {
1.46      albertel  435: 	&log($fh,"Rotating logs ...<p>");
1.43      albertel  436: 	rename("$fname.2","$fname.3");
                    437: 	rename("$fname.1","$fname.2");
                    438: 	rename("$fname","$fname.1");
                    439:     }
1.1       albertel  440: 
1.46      albertel  441:     &log($fh,"</pre>");
1.43      albertel  442:     &errout($fh);
1.46      albertel  443: }
                    444: 
1.43      albertel  445: # ----------------------------------------------------------------- Connections
1.46      albertel  446: sub test_connections {
                    447:     my ($fh,$hostname)=@_;
                    448:     &log($fh,'<hr><a name="connections"><h2>Connections</h2>');
1.43      albertel  449:     print "testing connections\n";
1.46      albertel  450:     &log($fh,"<table border=2>");
                    451:     foreach my $tryserver (sort(keys(%{$hostname}))) {
1.43      albertel  452: 	print(".");
1.46      albertel  453: 	my $result;
                    454: 	my $answer=reply("pong",$tryserver);
1.43      albertel  455: 	if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
                    456: 	    $result="<b>ok</b>";
                    457: 	} else {
                    458: 	    $result=$answer;
                    459: 	    $warnings++;
                    460: 	    if ($answer eq 'con_lost') { $warnings++; }
                    461: 	}
                    462: 	if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
1.46      albertel  463: 	&log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
1.1       albertel  464:     }
1.46      albertel  465:     &log($fh,"</table>");
1.1       albertel  466: 
1.43      albertel  467:     &errout($fh);
1.46      albertel  468: }
                    469: 
                    470: 
1.1       albertel  471: # ------------------------------------------------------------ Delayed messages
1.46      albertel  472: sub check_delayed_msg {
                    473:     my ($fh)=@_;
                    474:     &log($fh,'<hr><a name="delayed"><h2>Delayed Messages</h2>');
1.43      albertel  475:     print "checking buffers\n";
1.46      albertel  476:     
                    477:     &log($fh,'<h3>Scanning Permanent Log</h3>');
1.1       albertel  478: 
1.46      albertel  479:     my $unsend=0;
1.1       albertel  480: 
1.46      albertel  481:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
                    482:     while (my $line=<$dfh>) {
                    483: 	my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
                    484: 	if ($sdf eq 'F') { 
                    485: 	    my $local=localtime($time);
                    486: 	    &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
                    487: 	    $warnings++;
1.43      albertel  488: 	}
1.46      albertel  489: 	if ($sdf eq 'S') { $unsend--; }
                    490: 	if ($sdf eq 'D') { $unsend++; }
1.1       albertel  491:     }
1.46      albertel  492: 
                    493:     &log($fh,"Total unsend messages: <b>$unsend</b><p>\n");
1.43      albertel  494:     $warnings=$warnings+5*$unsend;
1.1       albertel  495: 
1.43      albertel  496:     if ($unsend) { $simplestatus{'unsend'}=$unsend; }
1.46      albertel  497:     &log($fh,"<h3>Outgoing Buffer</h3>");
1.1       albertel  498: 
1.43      albertel  499:     open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
1.46      albertel  500:     while (my $line=<DFH>) { 
                    501: 	&log($fh,"$line<br>");
                    502:     }
1.43      albertel  503:     close (DFH);
1.46      albertel  504: }
1.1       albertel  505: 
1.46      albertel  506: sub finish_logging {
                    507:     my ($fh)=@_;
                    508:     &log($fh,"<a name=errcount>\n");
1.43      albertel  509:     $totalcount=$notices+4*$warnings+100*$errors;
                    510:     &errout($fh);
1.46      albertel  511:     &log($fh,"<h1>Total Error Count: $totalcount</h1>");
                    512:     my $now=time;
                    513:     my $date=localtime($now);
                    514:     &log($fh,"<hr>$date ($now)</body></html>\n");
1.43      albertel  515:     print "lon-status webpage updated\n";
                    516:     $fh->close();
1.46      albertel  517: 
                    518:     if ($errors) { $simplestatus{'errors'}=$errors; }
                    519:     if ($warnings) { $simplestatus{'warnings'}=$warnings; }
                    520:     if ($notices) { $simplestatus{'notices'}=$notices; }
                    521:     $simplestatus{'time'}=time;
1.1       albertel  522: }
                    523: 
1.46      albertel  524: sub log_simplestatus {
                    525:     rename ("$statusdir/newstatus.html","$statusdir/index.html");
                    526:     
1.43      albertel  527:     my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
                    528:     foreach (keys %simplestatus) {
                    529: 	print $sfh $_.'='.$simplestatus{$_}.'&';
                    530:     }
                    531:     print $sfh "\n";
                    532:     $sfh->close();
1.41      www       533: }
1.46      albertel  534: 
                    535: sub send_mail {
1.43      albertel  536:     print "sending mail\n";
1.46      albertel  537:     my $emailto="$perlvar{'lonAdmEMail'}";
1.43      albertel  538:     if ($totalcount>1000) {
                    539: 	$emailto.=",$perlvar{'lonSysEMail'}";
                    540:     }
1.46      albertel  541:     my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
1.43      albertel  542:     system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
1.1       albertel  543: }
1.46      albertel  544: 
                    545: # ================================================================ Main Program
                    546: sub main () {
                    547: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
                    548:     my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
                    549:     %perlvar=%{$perlvarref};
                    550:     undef $perlvarref;
                    551:     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
                    552:     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
                    553: 
                    554: # --------------------------------------- Make sure that LON-CAPA is configured
                    555: # I only test for one thing here (lonHostID).  This is just a safeguard.
                    556:     if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
                    557: 	print("Unconfigured machine.\n");
                    558: 	my $emailto=$perlvar{'lonSysEMail'};
                    559: 	my $hostname=`/bin/hostname`;
                    560: 	chop $hostname;
                    561: 	$hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
                    562: 	my $subj="LON: Unconfigured machine $hostname";
                    563: 	system("echo 'Unconfigured machine $hostname.' |\
                    564:  mailto $emailto -s '$subj' > /dev/null");
                    565: 	exit 1;
                    566:     }
                    567: 
                    568: # ----------------------------- Make sure this process is running from user=www
                    569:     my $wwwid=getpwnam('www');
                    570:     if ($wwwid!=$<) {
                    571: 	print("User ID mismatch.  This program must be run as user 'www'\n");
                    572: 	my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
                    573: 	my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
                    574: 	system("echo 'User ID mismatch.  loncron must be run as user www.' |\
                    575:  mailto $emailto -s '$subj' > /dev/null");
                    576: 	exit 1;
                    577:     }
                    578: 
                    579: # ------------------------------------------------------------- Read hosts file
                    580:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
                    581:     
                    582:     my (%hostname,%hostdom,%hostrole,%spareid);
                    583:     while (my $configline=<$config>) {
                    584: 	my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
                    585: 	if ($id && $domain && $role && $name && $ip) {
                    586: 	    $hostname{$id}=$name;
                    587: 	    $hostdom{$id}=$domain;
                    588: 	    $hostrole{$id}=$role;
                    589: 	} else {
                    590: 	    if ($configline) {
                    591: #		&logthis("Skipping hosts.tab line -$configline-");
                    592: 	    }
                    593: 	}
                    594:     }
                    595:     undef $config;
                    596: 
                    597: # ------------------------------------------------------ Read spare server file
                    598:     $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
                    599:     
                    600:     while (my $configline=<$config>) {
                    601: 	chomp($configline);
                    602: 	if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
                    603: 	    $spareid{$configline}=1;
                    604: 	}
                    605:     }
                    606:     undef $config;
                    607: 
                    608: # ---------------------------------------------------------------- Start report
                    609: 
                    610:     $errors=0;
                    611:     $warnings=0;
                    612:     $notices=0;
                    613: 
                    614:     my $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
                    615: 
                    616:     &log_machine_info($fh);
                    617:     &clean_tmp($fh);
                    618:     &clean_lonIDs($fh);
                    619:     &check_httpd_logs($fh);
                    620:     &checkon_daemon($fh,'lonsql',200000);
                    621:     &checkon_daemon($fh,'lond',40000,1);
                    622:     &checkon_daemon($fh,'lonc',40000,1);
                    623:     &checkon_daemon($fh,'lonhttpd',40000);
                    624:     
                    625:     &test_connections($fh,\%hostname);
                    626:     &check_delayed_msg($fh);
                    627: 
                    628:     &finish_logging($fh);
                    629:     &log_simplestatus();
                    630: 	
                    631:     if ($totalcount>200) { &send_mail(); }
                    632: }
                    633: 
                    634: &main();
1.1       albertel  635: 1;
                    636: 
                    637: 
                    638: 
                    639: 
                    640: 
                    641: 
                    642: 
                    643: 

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