Annotation of loncom/loncron, revision 1.46

1.1       albertel    1: #!/usr/bin/perl
                      2: 
                      3: # The LearningOnline Network
                      4: # Housekeeping program, started by cron
                      5: #
                      6: # (TCP networking package
                      7: # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
                      8: # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)
                      9: #
1.3       www        10: # 7/14,7/15,7/19,7/21,7/22,11/18,
                     11: # 2/8 Gerd Kortemeyer
1.11      www        12: # 12/23 Gerd Kortemeyer
1.22      harris41   13: # YEAR=2001
1.25      www        14: # 09/04,09/06,11/26 Gerd Kortemeyer
1.24      www        15: 
                     16: $|=1;
1.1       albertel   17: 
1.26      harris41   18: use lib '/home/httpd/lib/perl/';
                     19: use LONCAPA::Configuration;
                     20: 
1.1       albertel   21: use IO::File;
                     22: use IO::Socket;
1.46    ! albertel   23: use strict;
        !            24: #globals
        !            25: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
        !            26: 
        !            27: my $statusdir="/home/httpd/html/lon-status";
        !            28: 
1.1       albertel   29: 
                     30: # -------------------------------------------------- Non-critical communication
                     31: sub reply {
                     32:     my ($cmd,$server)=@_;
                     33:     my $peerfile="$perlvar{'lonSockDir'}/$server";
                     34:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
                     35:                                      Type    => SOCK_STREAM,
                     36:                                      Timeout => 10)
                     37:        or return "con_lost";
                     38:     print $client "$cmd\n";
                     39:     my $answer=<$client>;
                     40:     chomp($answer);
                     41:     if (!$answer) { $answer="con_lost"; }
                     42:     return $answer;
                     43: }
                     44: 
                     45: # --------------------------------------------------------- Output error status
                     46: 
1.46    ! albertel   47: sub log {
        !            48:     my $fh=shift;
        !            49:     if ($fh) {	print $fh @_  }
        !            50: }
        !            51: 
1.1       albertel   52: sub errout {
                     53:    my $fh=shift;
1.46    ! albertel   54:    &log($fh,(<<ENDERROUT));
1.1       albertel   55:      <p><table border=2 bgcolor="#CCCCCC">
                     56:      <tr><td>Notices</td><td>$notices</td></tr>
                     57:      <tr><td>Warnings</td><td>$warnings</td></tr>
                     58:      <tr><td>Errors</td><td>$errors</td></tr>
                     59:      </table><p><a href="#top">Top</a><p>
                     60: ENDERROUT
                     61: }
                     62: 
1.42      albertel   63: sub start_daemon {
                     64:     my ($fh,$daemon,$pidfile) = @_;
1.44      albertel   65:     my $progname=$daemon;
                     66:     if ($daemon eq 'lonc' && $ARGV[0] eq 'new') {
                     67: 	$progname='loncnew'; 
                     68: 	print "new ";
                     69:     }
                     70:     system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
1.42      albertel   71:     sleep 2;
                     72:     if (-e $pidfile) {
1.46    ! albertel   73: 	&log($fh,"Seems like it started ...<p>");
1.42      albertel   74: 	my $lfh=IO::File->new("$pidfile");
                     75: 	my $daemonpid=<$lfh>;
                     76: 	chomp($daemonpid);
                     77: 	sleep 2;
                     78: 	if (kill 0 => $daemonpid) {
                     79: 	    return 1;
                     80: 	} else {
                     81: 	    return 0;
                     82: 	}
                     83:     }
1.46    ! albertel   84:     &log($fh,"Seems like that did not work!<p>");
1.42      albertel   85:     $errors++;
                     86:     return 0;
                     87: }
                     88: 
                     89: sub checkon_daemon {
                     90:     my ($fh,$daemon,$maxsize,$sendusr1)=@_;
                     91: 
1.46    ! albertel   92:     &log($fh,'<hr><a name="'.$daemon.'"><h2>'.$daemon.'</h2><h3>Log</h3><pre>');
1.42      albertel   93:     printf("%-10s ",$daemon);
                     94:     if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
                     95: 	open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46    ! albertel   96: 	while (my $line=<DFH>) { 
        !            97: 	    &log($fh,"$line");
1.42      albertel   98: 	    if ($line=~/INFO/) { $notices++; }
                     99: 	    if ($line=~/WARNING/) { $notices++; }
                    100: 	    if ($line=~/CRITICAL/) { $warnings++; }
                    101: 	};
                    102: 	close (DFH);
                    103:     }
1.46    ! albertel  104:     &log($fh,"</pre>");
1.42      albertel  105:     
                    106:     my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
                    107:     
                    108:     my $restartflag=1;
1.46    ! albertel  109:     my $daemonpid;
1.42      albertel  110:     if (-e $pidfile) {
                    111: 	my $lfh=IO::File->new("$pidfile");
1.46    ! albertel  112: 	$daemonpid=<$lfh>;
1.42      albertel  113: 	chomp($daemonpid);
                    114: 	if (kill 0 => $daemonpid) {
1.46    ! albertel  115: 	    &log($fh,"<h3>$daemon at pid $daemonpid responding");
        !           116: 	    if ($sendusr1) { &log($fh,", sending USR1"); }
        !           117: 	    &log($fh,"</h3>");
1.42      albertel  118: 	    if ($sendusr1) { kill USR1 => $daemonpid; }
                    119: 	    $restartflag=0;
                    120: 	    print "running\n";
                    121: 	} else {
                    122: 	    $errors++;
1.46    ! albertel  123: 	    &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.42      albertel  124: 	    $restartflag=1;
1.46    ! albertel  125: 	    &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
1.42      albertel  126: 	}
                    127:     }
                    128:     if ($restartflag==1) {
                    129: 	$simplestatus{$daemon}='off';
                    130: 	$errors++;
1.46    ! albertel  131: 	&log($fh,'<br><font color="red">Killall '.$daemon.': '.
        !           132: 	    `killall $daemon 2>&1`.' - ');
1.42      albertel  133: 	sleep 2;
1.46    ! albertel  134: 	&log($fh,unlink($pidfile).' - '.
1.42      albertel  135: 	    `killall -9 $daemon 2>&1`.
1.46    ! albertel  136: 	    '</font><br>');
        !           137: 	&log($fh,"<h3>$daemon not running, trying to start</h3>");
1.42      albertel  138: 	
                    139: 	if (&start_daemon($fh,$daemon,$pidfile)) {
1.46    ! albertel  140: 	    &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42      albertel  141: 	    $simplestatus{$daemon}='restarted';
                    142: 	    print "started\n";
                    143: 	} else {
                    144: 	    $errors++;
1.46    ! albertel  145: 	    &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
        !           146: 	    &log($fh,"Give it one more try ...<p>");
1.42      albertel  147: 	    print " ";
                    148: 	    if (&start_daemon($fh,$daemon,$pidfile)) {
1.46    ! albertel  149: 		&log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42      albertel  150: 		$simplestatus{$daemon}='restarted';
                    151: 		print "started\n";
                    152: 	    } else {
                    153: 		print " failed\n";
                    154: 		$simplestatus{$daemon}='failed';
                    155: 		$errors++; $errors++;
1.46    ! albertel  156: 		&log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
        !           157: 		&log($fh,"Unable to start $daemon<p>");
1.42      albertel  158: 	    }
                    159: 	}
                    160: 
                    161: 	if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
1.46    ! albertel  162: 	    &log($fh,"<p><pre>");
1.42      albertel  163: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46    ! albertel  164: 	    while (my $line=<DFH>) { 
        !           165: 		&log($fh,"$line");
1.42      albertel  166: 		if ($line=~/WARNING/) { $notices++; }
                    167: 		if ($line=~/CRITICAL/) { $notices++; }
                    168: 	    };
                    169: 	    close (DFH);
1.46    ! albertel  170: 	    &log($fh,"</pre>");
1.42      albertel  171: 	}
                    172:     }
                    173:     
1.46    ! albertel  174:     my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
1.42      albertel  175:     
                    176:     my ($dev,$ino,$mode,$nlink,
                    177: 	$uid,$gid,$rdev,$size,
                    178: 	$atime,$mtime,$ctime,
                    179: 	$blksize,$blocks)=stat($fname);
                    180:     
                    181:     if ($size>$maxsize) {
1.46    ! albertel  182: 	&log($fh,"Rotating logs ...<p>");
1.42      albertel  183: 	rename("$fname.2","$fname.3");
                    184: 	rename("$fname.1","$fname.2");
                    185: 	rename("$fname","$fname.1");
                    186:     }
                    187: 
                    188:     &errout($fh);
                    189: }
1.1       albertel  190: 
1.46    ! albertel  191: # --------------------------------------------------------------------- Machine
        !           192: sub log_machine_info {
        !           193:     my ($fh)=@_;
        !           194:     &log($fh,'<hr><a name="machine"><h2>Machine Information</h2>');
        !           195:     &log($fh,"<h3>loadavg</h3>");
        !           196: 	
        !           197:     open (LOADAVGH,"/proc/loadavg");
        !           198:     my $loadavg=<LOADAVGH>;
        !           199:     close (LOADAVGH);
        !           200:     
        !           201:     &log($fh,"<tt>$loadavg</tt>");
        !           202:     
        !           203:     my @parts=split(/\s+/,$loadavg);
        !           204:     if ($parts[1]>4.0) {
        !           205: 	$errors++;
        !           206:     } elsif ($parts[1]>2.0) {
        !           207: 	$warnings++;
        !           208:     } elsif ($parts[1]>1.0) {
        !           209: 	$notices++;
        !           210:     }
1.13      harris41  211: 
1.46    ! albertel  212:     &log($fh,"<h3>df</h3>");
        !           213:     &log($fh,"<pre>");
1.14      harris41  214: 
1.46    ! albertel  215:     open (DFH,"df|");
        !           216:     while (my $line=<DFH>) { 
        !           217: 	&log($fh,"$line"); 
        !           218: 	@parts=split(/\s+/,$line);
        !           219: 	my $usage=$parts[4];
        !           220: 	$usage=~s/\W//g;
        !           221: 	if ($usage>90) { 
        !           222: 	    $warnings++;
        !           223: 	    $notices++; 
        !           224: 	} elsif ($usage>80) {
        !           225: 	    $warnings++;
        !           226: 	} elsif ($usage>60) {
        !           227: 	    $notices++;
1.31      albertel  228: 	}
1.46    ! albertel  229: 	if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
1.1       albertel  230:     }
1.46    ! albertel  231:     close (DFH);
        !           232:     &log($fh,"</pre>");
1.1       albertel  233: 
                    234: 
1.46    ! albertel  235:     &log($fh,"<h3>ps</h3>");
        !           236:     &log($fh,"<pre>");
        !           237:     my $psproc=0;
1.1       albertel  238: 
1.46    ! albertel  239:     open (PSH,"ps -aux --cols 140 |");
        !           240:     while (my $line=<PSH>) { 
        !           241: 	&log($fh,"$line"); 
        !           242: 	$psproc++;
        !           243:     }
        !           244:     close (PSH);
        !           245:     &log($fh,"</pre>");
1.1       albertel  246: 
1.46    ! albertel  247:     if ($psproc>200) { $notices++; }
        !           248:     if ($psproc>250) { $notices++; }
1.1       albertel  249: 
1.46    ! albertel  250:     &errout($fh);
        !           251: }
1.1       albertel  252: 
1.46    ! albertel  253: sub start_logging {
        !           254:     my ($hostdom,$hostrole,$hostname,$spareid)=@_;
1.43      albertel  255:     my $fh=IO::File->new(">$statusdir/newstatus.html");
                    256:     my %simplestatus=();
1.46    ! albertel  257:     my $now=time;
        !           258:     my $date=localtime($now);
1.43      albertel  259:     
1.46    ! albertel  260: 
        !           261:     &log($fh,(<<ENDHEADERS));
1.1       albertel  262: <html>
                    263: <head>
                    264: <title>LON Status Report $perlvar{'lonHostID'}</title>
                    265: </head>
1.3       www       266: <body bgcolor="#AAAAAA">
1.1       albertel  267: <a name="top">
                    268: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
                    269: <h2>$date ($now)</h2>
                    270: <ol>
                    271: <li><a href="#configuration">Configuration</a>
                    272: <li><a href="#machine">Machine Information</a>
1.11      www       273: <li><a href="#tmp">Temporary Files</a>
                    274: <li><a href="#tokens">Session Tokens</a>
1.1       albertel  275: <li><a href="#httpd">httpd</a>
1.11      www       276: <li><a href="#lonsql">lonsql</a>
1.1       albertel  277: <li><a href="#lond">lond</a>
                    278: <li><a href="#lonc">lonc</a>
1.34      www       279: <li><a href="#lonhttpd">lonhttpd</a>
1.1       albertel  280: <li><a href="#lonnet">lonnet</a>
                    281: <li><a href="#connections">Connections</a>
                    282: <li><a href="#delayed">Delayed Messages</a>
1.46    ! albertel  283: <li><a href="#errcount">Error Coindex.html.unt</a>
1.1       albertel  284: </ol>
                    285: <hr>
                    286: <a name="configuration">
                    287: <h2>Configuration</h2>
                    288: <h3>PerlVars</h3>
                    289: <table border=2>
                    290: ENDHEADERS
                    291: 
1.46    ! albertel  292:     foreach my $varname (sort(keys(%perlvar))) {
        !           293: 	&log($fh,"<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n");
1.43      albertel  294:     }
1.46    ! albertel  295:     &log($fh,"</table><h3>Hosts</h3><table border=2>");
        !           296:     foreach my $id (sort(keys(%{$hostname}))) {
        !           297: 	&log($fh,
        !           298: 	    "<tr><td>$id</td><td>".$hostdom->{$id}.
        !           299: 	    "</td><td>".$hostrole->{$id}.
        !           300: 	    "</td><td>".$hostname->{$id}."</td></tr>\n");
        !           301:     }
        !           302:     &log($fh,"</table><h3>Spare Hosts</h3><ol>");
        !           303:     foreach my $id (sort(keys(%{$spareid}))) {
        !           304: 	&log($fh,"<li>$id\n");
1.43      albertel  305:     }
1.46    ! albertel  306:     &log($fh,"</ol>\n");
        !           307:     return $fh;
        !           308: }
1.11      www       309: 
                    310: # --------------------------------------------------------------- clean out tmp
1.46    ! albertel  311: sub clean_tmp {
        !           312:     my ($fh)=@_;
        !           313:     &log($fh,'<hr><a name="tmp"><h2>Temporary Files</h2>');
        !           314:     my $cleaned=0;
        !           315:     my $old=0;
        !           316:     while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
1.43      albertel  317: 	my ($dev,$ino,$mode,$nlink,
                    318: 	    $uid,$gid,$rdev,$size,
                    319: 	    $atime,$mtime,$ctime,
                    320: 	    $blksize,$blocks)=stat($fname);
1.46    ! albertel  321: 	my $now=time;
        !           322: 	my $since=$now-$mtime;
1.43      albertel  323: 	if ($since>$perlvar{'lonExpire'}) {
1.46    ! albertel  324: 	    my $line='';
1.43      albertel  325: 	    if (open(PROBE,$fname)) {
                    326: 		$line=<PROBE>;
                    327: 		close(PROBE);
                    328: 	    }
                    329: 	    unless ($line=~/^CHECKOUTTOKEN\&/) {
                    330: 		$cleaned++;
                    331: 		unlink("$fname");
                    332: 	    } else {
                    333: 		if ($since>365*$perlvar{'lonExpire'}) {
                    334: 		    $cleaned++;
                    335: 		    unlink("$fname");
                    336: 		} else { $old++; }
                    337: 	    }
                    338: 	}
                    339:     }
1.46    ! albertel  340:     &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
        !           341: }
1.11      www       342: 
                    343: # ------------------------------------------------------------ clean out lonIDs
1.46    ! albertel  344: sub clean_lonIDs {
        !           345:     my ($fh)=@_;
        !           346:     &log($fh,'<hr><a name="tokens"><h2>Session Tokens</h2>');
        !           347:     my $cleaned=0;
        !           348:     my $active=0;
        !           349:     while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
1.43      albertel  350: 	my ($dev,$ino,$mode,$nlink,
                    351: 	    $uid,$gid,$rdev,$size,
                    352: 	    $atime,$mtime,$ctime,
                    353: 	    $blksize,$blocks)=stat($fname);
1.46    ! albertel  354: 	my $now=time;
        !           355: 	my $since=$now-$mtime;
1.43      albertel  356: 	if ($since>$perlvar{'lonExpire'}) {
                    357: 	    $cleaned++;
1.46    ! albertel  358: 	    &log($fh,"Unlinking $fname<br>");
1.43      albertel  359: 	    unlink("$fname");
                    360: 	} else {
                    361: 	    $active++;
                    362: 	}
1.46    ! albertel  363:     }
        !           364:     &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).");
        !           365:     &log($fh,"<h3>$active open session(s)</h3>");
        !           366: }
1.43      albertel  367: 
1.11      www       368: 
1.1       albertel  369: # ----------------------------------------------------------------------- httpd
1.46    ! albertel  370: sub check_httpd_logs {
        !           371:     my ($fh)=@_;
        !           372:     &log($fh,'<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>');
1.43      albertel  373:     
                    374:     open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.46    ! albertel  375:     while (my $line=<DFH>) { &log($fh,"$line") };
1.43      albertel  376:     close (DFH);
1.46    ! albertel  377: 	
        !           378:     &log($fh,"</pre><h3>Error Log</h3><pre>");
        !           379: 	
1.43      albertel  380:     open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.46    ! albertel  381:     while (my $line=<DFH>) { 
        !           382: 	&log($fh,"$line");
1.43      albertel  383: 	if ($line=~/\[error\]/) { $notices++; } 
1.46    ! albertel  384:     }
1.43      albertel  385:     close (DFH);
1.46    ! albertel  386:     &log($fh,"</pre>");
1.43      albertel  387:     &errout($fh);
1.46    ! albertel  388: }
1.1       albertel  389: 
                    390: # ---------------------------------------------------------------------- lonnet
                    391: 
1.46    ! albertel  392: sub rotate_logs {
        !           393:     my ($fh)=@_;
        !           394:     &log($fh,'<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>');
1.43      albertel  395:     print "checking logs\n";
                    396:     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
                    397: 	open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
1.46    ! albertel  398: 	while (my $line=<DFH>) { 
        !           399: 	    &log($fh,"$line");
        !           400: 	}
1.43      albertel  401: 	close (DFH);
                    402:     }
1.46    ! albertel  403:     &log($fh,"</pre><h3>Perm Log</h3><pre>");
1.43      albertel  404:     
                    405:     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
                    406: 	open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
1.46    ! albertel  407: 	while (my $line=<DFH>) { 
        !           408: 	    &log($fh,"$line");
        !           409: 	}
1.43      albertel  410: 	close (DFH);
1.46    ! albertel  411:     } else { &log($fh,"No perm log\n") }
1.43      albertel  412: 
1.46    ! albertel  413:     my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
1.43      albertel  414: 
                    415:     my ($dev,$ino,$mode,$nlink,
                    416: 	$uid,$gid,$rdev,$size,
                    417: 	$atime,$mtime,$ctime,
                    418: 	$blksize,$blocks)=stat($fname);
                    419: 
                    420:     if ($size>40000) {
1.46    ! albertel  421: 	&log($fh,"Rotating logs ...<p>");
1.43      albertel  422: 	rename("$fname.2","$fname.3");
                    423: 	rename("$fname.1","$fname.2");
                    424: 	rename("$fname","$fname.1");
                    425:     }
1.1       albertel  426: 
1.46    ! albertel  427:     &log($fh,"</pre>");
1.43      albertel  428:     &errout($fh);
1.46    ! albertel  429: }
        !           430: 
1.43      albertel  431: # ----------------------------------------------------------------- Connections
1.46    ! albertel  432: sub test_connections {
        !           433:     my ($fh,$hostname)=@_;
        !           434:     &log($fh,'<hr><a name="connections"><h2>Connections</h2>');
1.43      albertel  435:     print "testing connections\n";
1.46    ! albertel  436:     &log($fh,"<table border=2>");
        !           437:     foreach my $tryserver (sort(keys(%{$hostname}))) {
1.43      albertel  438: 	print(".");
1.46    ! albertel  439: 	my $result;
        !           440: 	my $answer=reply("pong",$tryserver);
1.43      albertel  441: 	if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
                    442: 	    $result="<b>ok</b>";
                    443: 	} else {
                    444: 	    $result=$answer;
                    445: 	    $warnings++;
                    446: 	    if ($answer eq 'con_lost') { $warnings++; }
                    447: 	}
                    448: 	if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
1.46    ! albertel  449: 	&log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
1.1       albertel  450:     }
1.46    ! albertel  451:     &log($fh,"</table>");
1.1       albertel  452: 
1.43      albertel  453:     &errout($fh);
1.46    ! albertel  454: }
        !           455: 
        !           456: 
1.1       albertel  457: # ------------------------------------------------------------ Delayed messages
1.46    ! albertel  458: sub check_delayed_msg {
        !           459:     my ($fh)=@_;
        !           460:     &log($fh,'<hr><a name="delayed"><h2>Delayed Messages</h2>');
1.43      albertel  461:     print "checking buffers\n";
1.46    ! albertel  462:     
        !           463:     &log($fh,'<h3>Scanning Permanent Log</h3>');
1.1       albertel  464: 
1.46    ! albertel  465:     my $unsend=0;
1.1       albertel  466: 
1.46    ! albertel  467:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
        !           468:     while (my $line=<$dfh>) {
        !           469: 	my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
        !           470: 	if ($sdf eq 'F') { 
        !           471: 	    my $local=localtime($time);
        !           472: 	    &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
        !           473: 	    $warnings++;
1.43      albertel  474: 	}
1.46    ! albertel  475: 	if ($sdf eq 'S') { $unsend--; }
        !           476: 	if ($sdf eq 'D') { $unsend++; }
1.1       albertel  477:     }
1.46    ! albertel  478: 
        !           479:     &log($fh,"Total unsend messages: <b>$unsend</b><p>\n");
1.43      albertel  480:     $warnings=$warnings+5*$unsend;
1.1       albertel  481: 
1.43      albertel  482:     if ($unsend) { $simplestatus{'unsend'}=$unsend; }
1.46    ! albertel  483:     &log($fh,"<h3>Outgoing Buffer</h3>");
1.1       albertel  484: 
1.43      albertel  485:     open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
1.46    ! albertel  486:     while (my $line=<DFH>) { 
        !           487: 	&log($fh,"$line<br>");
        !           488:     }
1.43      albertel  489:     close (DFH);
1.46    ! albertel  490: }
1.1       albertel  491: 
1.46    ! albertel  492: sub finish_logging {
        !           493:     my ($fh)=@_;
        !           494:     &log($fh,"<a name=errcount>\n");
1.43      albertel  495:     $totalcount=$notices+4*$warnings+100*$errors;
                    496:     &errout($fh);
1.46    ! albertel  497:     &log($fh,"<h1>Total Error Count: $totalcount</h1>");
        !           498:     my $now=time;
        !           499:     my $date=localtime($now);
        !           500:     &log($fh,"<hr>$date ($now)</body></html>\n");
1.43      albertel  501:     print "lon-status webpage updated\n";
                    502:     $fh->close();
1.46    ! albertel  503: 
        !           504:     if ($errors) { $simplestatus{'errors'}=$errors; }
        !           505:     if ($warnings) { $simplestatus{'warnings'}=$warnings; }
        !           506:     if ($notices) { $simplestatus{'notices'}=$notices; }
        !           507:     $simplestatus{'time'}=time;
1.1       albertel  508: }
                    509: 
1.46    ! albertel  510: sub log_simplestatus {
        !           511:     rename ("$statusdir/newstatus.html","$statusdir/index.html");
        !           512:     
1.43      albertel  513:     my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
                    514:     foreach (keys %simplestatus) {
                    515: 	print $sfh $_.'='.$simplestatus{$_}.'&';
                    516:     }
                    517:     print $sfh "\n";
                    518:     $sfh->close();
1.41      www       519: }
1.46    ! albertel  520: 
        !           521: sub send_mail {
1.43      albertel  522:     print "sending mail\n";
1.46    ! albertel  523:     my $emailto="$perlvar{'lonAdmEMail'}";
1.43      albertel  524:     if ($totalcount>1000) {
                    525: 	$emailto.=",$perlvar{'lonSysEMail'}";
                    526:     }
1.46    ! albertel  527:     my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
1.43      albertel  528:     system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
1.1       albertel  529: }
1.46    ! albertel  530: 
        !           531: # ================================================================ Main Program
        !           532: sub main () {
        !           533: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
        !           534:     my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
        !           535:     %perlvar=%{$perlvarref};
        !           536:     undef $perlvarref;
        !           537:     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
        !           538:     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
        !           539: 
        !           540: # --------------------------------------- Make sure that LON-CAPA is configured
        !           541: # I only test for one thing here (lonHostID).  This is just a safeguard.
        !           542:     if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
        !           543: 	print("Unconfigured machine.\n");
        !           544: 	my $emailto=$perlvar{'lonSysEMail'};
        !           545: 	my $hostname=`/bin/hostname`;
        !           546: 	chop $hostname;
        !           547: 	$hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
        !           548: 	my $subj="LON: Unconfigured machine $hostname";
        !           549: 	system("echo 'Unconfigured machine $hostname.' |\
        !           550:  mailto $emailto -s '$subj' > /dev/null");
        !           551: 	exit 1;
        !           552:     }
        !           553: 
        !           554: # ----------------------------- Make sure this process is running from user=www
        !           555:     my $wwwid=getpwnam('www');
        !           556:     if ($wwwid!=$<) {
        !           557: 	print("User ID mismatch.  This program must be run as user 'www'\n");
        !           558: 	my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
        !           559: 	my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
        !           560: 	system("echo 'User ID mismatch.  loncron must be run as user www.' |\
        !           561:  mailto $emailto -s '$subj' > /dev/null");
        !           562: 	exit 1;
        !           563:     }
        !           564: 
        !           565: # ------------------------------------------------------------- Read hosts file
        !           566:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
        !           567:     
        !           568:     my (%hostname,%hostdom,%hostrole,%spareid);
        !           569:     while (my $configline=<$config>) {
        !           570: 	my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
        !           571: 	if ($id && $domain && $role && $name && $ip) {
        !           572: 	    $hostname{$id}=$name;
        !           573: 	    $hostdom{$id}=$domain;
        !           574: 	    $hostrole{$id}=$role;
        !           575: 	} else {
        !           576: 	    if ($configline) {
        !           577: #		&logthis("Skipping hosts.tab line -$configline-");
        !           578: 	    }
        !           579: 	}
        !           580:     }
        !           581:     undef $config;
        !           582: 
        !           583: # ------------------------------------------------------ Read spare server file
        !           584:     $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
        !           585:     
        !           586:     while (my $configline=<$config>) {
        !           587: 	chomp($configline);
        !           588: 	if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
        !           589: 	    $spareid{$configline}=1;
        !           590: 	}
        !           591:     }
        !           592:     undef $config;
        !           593: 
        !           594: # ---------------------------------------------------------------- Start report
        !           595: 
        !           596:     $errors=0;
        !           597:     $warnings=0;
        !           598:     $notices=0;
        !           599: 
        !           600:     my $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
        !           601: 
        !           602:     &log_machine_info($fh);
        !           603:     &clean_tmp($fh);
        !           604:     &clean_lonIDs($fh);
        !           605:     &check_httpd_logs($fh);
        !           606:     &checkon_daemon($fh,'lonsql',200000);
        !           607:     &checkon_daemon($fh,'lond',40000,1);
        !           608:     &checkon_daemon($fh,'lonc',40000,1);
        !           609:     &checkon_daemon($fh,'lonhttpd',40000);
        !           610:     
        !           611:     &test_connections($fh,\%hostname);
        !           612:     &check_delayed_msg($fh);
        !           613: 
        !           614:     &finish_logging($fh);
        !           615:     &log_simplestatus();
        !           616: 	
        !           617:     if ($totalcount>200) { &send_mail(); }
        !           618: }
        !           619: 
        !           620: &main();
1.1       albertel  621: 1;
                    622: 
                    623: 
                    624: 
                    625: 
                    626: 
                    627: 
                    628: 
                    629: 

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>