Annotation of loncom/loncron, revision 1.33

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
1.20      harris41   12: # 12/6/2000,12/8 Scott Harrison
1.11      www        13: # 12/23 Gerd Kortemeyer
1.22      harris41   14: # YEAR=2001
                     15: # 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21,8/27 Scott Harrison
1.25      www        16: # 09/04,09/06,11/26 Gerd Kortemeyer
1.26      harris41   17: # YEAR=2002
                     18: # 5/11/2002 Scott Harrison
1.24      www        19: 
                     20: $|=1;
1.1       albertel   21: 
1.26      harris41   22: use lib '/home/httpd/lib/perl/';
                     23: use LONCAPA::Configuration;
                     24: 
1.1       albertel   25: use IO::File;
                     26: use IO::Socket;
                     27: 
                     28: # -------------------------------------------------- Non-critical communication
                     29: sub reply {
                     30:     my ($cmd,$server)=@_;
                     31:     my $peerfile="$perlvar{'lonSockDir'}/$server";
                     32:     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
                     33:                                      Type    => SOCK_STREAM,
                     34:                                      Timeout => 10)
                     35:        or return "con_lost";
                     36:     print $client "$cmd\n";
                     37:     my $answer=<$client>;
                     38:     chomp($answer);
                     39:     if (!$answer) { $answer="con_lost"; }
                     40:     return $answer;
                     41: }
                     42: 
                     43: # --------------------------------------------------------- Output error status
                     44: 
                     45: sub errout {
                     46:    my $fh=shift;
                     47:    print $fh (<<ENDERROUT);
                     48:      <p><table border=2 bgcolor="#CCCCCC">
                     49:      <tr><td>Notices</td><td>$notices</td></tr>
                     50:      <tr><td>Warnings</td><td>$warnings</td></tr>
                     51:      <tr><td>Errors</td><td>$errors</td></tr>
                     52:      </table><p><a href="#top">Top</a><p>
                     53: ENDERROUT
                     54: }
                     55: 
                     56: # ================================================================ Main Program
                     57: 
1.27      matthew    58: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
1.33    ! harris41   59: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
1.28      albertel   60: %perlvar=%{$perlvarref};
1.26      harris41   61: undef $perlvarref;
                     62: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
                     63: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
1.13      harris41   64: 
1.14      harris41   65: # --------------------------------------- Make sure that LON-CAPA is configured
                     66: # I only test for one thing here (lonHostID).  This is just a safeguard.
                     67: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
1.15      harris41   68:    print("Unconfigured machine.\n");
1.14      harris41   69:    $emailto=$perlvar{'lonSysEMail'};
                     70:    $hostname=`/bin/hostname`;
                     71:    chop $hostname;
                     72:    $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
                     73:    $subj="LON: Unconfigured machine $hostname";
                     74:    system("echo 'Unconfigured machine $hostname.' |\
                     75:  mailto $emailto -s '$subj' > /dev/null");
                     76:     exit 1;
                     77: }
                     78: 
1.13      harris41   79: # ----------------------------- Make sure this process is running from user=www
                     80: my $wwwid=getpwnam('www');
                     81: if ($wwwid!=$<) {
1.14      harris41   82:    print("User ID mismatch.  This program must be run as user 'www'\n");
1.13      harris41   83:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
                     84:    $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
                     85:    system("echo 'User ID mismatch.  loncron must be run as user www.' |\
                     86:  mailto $emailto -s '$subj' > /dev/null");
1.14      harris41   87:    exit 1;
1.1       albertel   88: }
                     89: 
                     90: # ------------------------------------------------------------- Read hosts file
                     91: {
                     92:     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
                     93: 
                     94:     while (my $configline=<$config>) {
1.31      albertel   95: 	my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
                     96: 	if ($id && $domain && $role && $name && $ip) {
                     97: 	    $hostname{$id}=$name;
                     98: 	    $hostdom{$id}=$domain;
                     99: 	    $hostip{$id}=$ip;
                    100: 	    $hostrole{$id}=$role;
                    101: 	    if ($domdescr) { $domaindescription{$domain}=$domdescr; }
                    102: 	    if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
                    103: 		$libserv{$id}=$name;
                    104: 	    }
                    105: 	} else {
                    106: 	    if ($configline) {
                    107: #		&logthis("Skipping hosts.tab line -$configline-");
                    108: 	    }
                    109: 	}
1.1       albertel  110:     }
                    111: }
                    112: 
                    113: # ------------------------------------------------------ Read spare server file
                    114: {
                    115:     my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
                    116: 
                    117:     while (my $configline=<$config>) {
                    118:        chomp($configline);
                    119:        if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
                    120:           $spareid{$configline}=1;
                    121:        }
                    122:     }
                    123: }
                    124: 
                    125: # ---------------------------------------------------------------- Start report
                    126: 
                    127: $statusdir="/home/httpd/html/lon-status";
                    128: 
                    129: $errors=0;
                    130: $warnings=0;
                    131: $notices=0;
                    132: 
                    133: $now=time;
                    134: $date=localtime($now);
                    135: 
                    136: {
                    137: my $fh=IO::File->new(">$statusdir/newstatus.html");
                    138: 
                    139: print $fh (<<ENDHEADERS);
                    140: <html>
                    141: <head>
                    142: <title>LON Status Report $perlvar{'lonHostID'}</title>
                    143: </head>
1.3       www       144: <body bgcolor="#AAAAAA">
1.1       albertel  145: <a name="top">
                    146: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
                    147: <h2>$date ($now)</h2>
                    148: <ol>
                    149: <li><a href="#configuration">Configuration</a>
                    150: <li><a href="#machine">Machine Information</a>
1.11      www       151: <li><a href="#tmp">Temporary Files</a>
                    152: <li><a href="#tokens">Session Tokens</a>
1.1       albertel  153: <li><a href="#httpd">httpd</a>
1.11      www       154: <li><a href="#lonsql">lonsql</a>
1.1       albertel  155: <li><a href="#lond">lond</a>
                    156: <li><a href="#lonc">lonc</a>
                    157: <li><a href="#lonnet">lonnet</a>
                    158: <li><a href="#connections">Connections</a>
                    159: <li><a href="#delayed">Delayed Messages</a>
                    160: <li><a href="#errcount">Error Count</a>
                    161: </ol>
                    162: <hr>
                    163: <a name="configuration">
                    164: <h2>Configuration</h2>
                    165: <h3>PerlVars</h3>
                    166: <table border=2>
                    167: ENDHEADERS
                    168: 
1.31      albertel  169: foreach $varname (sort(keys(%perlvar))) {
1.1       albertel  170:     print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
                    171: }
                    172: print $fh "</table><h3>Hosts</h3><table border=2>";
1.31      albertel  173: foreach $id (sort(keys(%hostname))) {
                    174:     print $fh 
                    175: 	"<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
                    176:     print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
1.1       albertel  177: }
                    178: print $fh "</table><h3>Spare Hosts</h3><ol>";
1.31      albertel  179: foreach $id (sort(keys(%spareid))) {
1.1       albertel  180:     print $fh "<li>$id\n";
                    181: }
                    182: 
                    183: print $fh "</ol>\n";
                    184: 
                    185: # --------------------------------------------------------------------- Machine
                    186: 
                    187: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
                    188: print $fh "<h3>loadavg</h3>";
                    189: 
                    190: open (LOADAVGH,"/proc/loadavg");
                    191: $loadavg=<LOADAVGH>;
                    192: close (LOADAVGH);
                    193: 
                    194: print $fh "<tt>$loadavg</tt>";
                    195: 
                    196: @parts=split(/\s+/,$loadavg);
1.4       www       197: if ($parts[1]>4.0) {
1.1       albertel  198:     $errors++;
                    199: } elsif ($parts[1]>2.0) {
                    200:     $warnings++;
                    201: } elsif ($parts[1]>1.0) {
                    202:     $notices++;
                    203: }
                    204: 
                    205: print $fh "<h3>df</h3>";
                    206: print $fh "<pre>";
                    207: 
                    208: open (DFH,"df|");
                    209: while ($line=<DFH>) { 
                    210:    print $fh "$line"; 
                    211:    @parts=split(/\s+/,$line);
                    212:    $usage=$parts[4];
                    213:    $usage=~s/\W//g;
                    214:    if ($usage>90) { 
1.24      www       215:       $warnings++;
                    216:       $notices++; 
1.1       albertel  217:    } elsif ($usage>80) {
                    218:       $warnings++;
                    219:    } elsif ($usage>60) {
                    220:       $notices++;
                    221:    }
1.4       www       222:    if ($usage>95) { $warnings++; $warnings++ }
1.1       albertel  223: }
                    224: close (DFH);
                    225: print $fh "</pre>";
1.24      www       226: 
                    227: 
                    228: print $fh "<h3>ps</h3>";
                    229: print $fh "<pre>";
                    230: $psproc=0;
                    231: 
                    232: open (PSH,"ps -aux|");
                    233: while ($line=<PSH>) { 
                    234:    print $fh "$line"; 
                    235:    $psproc++;
                    236: }
                    237: close (PSH);
                    238: print $fh "</pre>";
                    239: 
                    240: if ($psproc>200) { $notices++; }
                    241: if ($psproc>250) { $notices++; }
                    242: 
1.1       albertel  243: &errout($fh);
1.11      www       244: 
                    245: # --------------------------------------------------------------- clean out tmp
                    246: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
                    247: $cleaned=0;
1.29      www       248: $old=0;
1.11      www       249: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
                    250:                           my ($dev,$ino,$mode,$nlink,
                    251:                               $uid,$gid,$rdev,$size,
                    252:                               $atime,$mtime,$ctime,
                    253:                               $blksize,$blocks)=stat($fname);
                    254:                           $now=time;
                    255:                           $since=$now-$mtime;
                    256:                           if ($since>$perlvar{'lonExpire'}) {
1.29      www       257:                               $line='';
                    258:                               if (open(PROBE,$fname)) {
                    259: 				  $line=<PROBE>;
                    260:                                   close(PROBE);
                    261: 			      }
                    262: 			      unless ($line=~/^CHECKOUTTOKEN\&/) {
                    263:                                  $cleaned++;
                    264:                                  unlink("$fname");
                    265: 			      } else {
1.32      www       266: 				  if ($since>365*$perlvar{'lonExpire'}) {
1.29      www       267:                                      $cleaned++;
                    268:                                      unlink("$fname");
                    269: 				 } else { $old++; }
                    270:                               }
1.11      www       271:                           }
                    272:     
                    273: }
1.29      www       274: print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens).";
1.11      www       275: 
                    276: # ------------------------------------------------------------ clean out lonIDs
                    277: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
                    278: $cleaned=0;
                    279: $active=0;
                    280: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
                    281:                           my ($dev,$ino,$mode,$nlink,
                    282:                               $uid,$gid,$rdev,$size,
                    283:                               $atime,$mtime,$ctime,
                    284:                               $blksize,$blocks)=stat($fname);
                    285:                           $now=time;
                    286:                           $since=$now-$mtime;
                    287:                           if ($since>$perlvar{'lonExpire'}) {
                    288:                               $cleaned++;
                    289:                               print $fh "Unlinking $fname<br>";
                    290:                               unlink("$fname");
                    291:                           } else {
                    292:                               $active++;
                    293:                           }
                    294:     
                    295: }
                    296: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
                    297: print $fh "<h3>$active open session(s)</h3>";
                    298: 
1.1       albertel  299: # ----------------------------------------------------------------------- httpd
                    300: 
                    301: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
                    302: 
1.23      www       303: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.1       albertel  304: while ($line=<DFH>) { print $fh "$line" };
                    305: close (DFH);
                    306: 
                    307: print $fh "</pre><h3>Error Log</h3><pre>";
                    308: 
1.23      www       309: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.1       albertel  310: while ($line=<DFH>) { 
                    311:    print $fh "$line";
                    312:    if ($line=~/\[error\]/) { $notices++; } 
                    313: };
                    314: close (DFH);
                    315: print $fh "</pre>";
                    316: &errout($fh);
1.5       harris41  317: 
                    318: 
1.11      www       319: # ---------------------------------------------------------------------- lonsql
1.22      harris41  320: 
                    321: my $restartflag=1;
1.18      harris41  322: if ($perlvar{'lonRole'} eq "library") {
1.5       harris41  323: 
1.11      www       324:     print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
1.23      www       325:     print "lonsql\n";
1.5       harris41  326:     if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
                    327: 	open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
                    328: 	while ($line=<DFH>) { 
                    329: 	    print $fh "$line";
                    330: 	    if ($line=~/INFO/) { $notices++; }
                    331: 	    if ($line=~/WARNING/) { $notices++; }
                    332: 	    if ($line=~/CRITICAL/) { $warnings++; }
                    333: 	};
                    334: 	close (DFH);
                    335:     }
                    336:     print $fh "</pre>";
                    337:     
                    338:     my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
1.23      www       339:  
                    340:     $restartflag=1;
                    341:    
1.5       harris41  342:     if (-e $lonsqlfile) {
                    343: 	my $lfh=IO::File->new("$lonsqlfile");
                    344: 	my $lonsqlpid=<$lfh>;
                    345: 	chomp($lonsqlpid);
                    346: 	if (kill 0 => $lonsqlpid) {
                    347: 	    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
1.22      harris41  348: 	    $restartflag=0;
1.5       harris41  349: 	} else {
                    350: 	    $errors++; $errors++;
                    351: 	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
1.22      harris41  352: 		$restartflag=1;
1.23      www       353: 	print $fh 
                    354: 	    "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
1.5       harris41  355: 	}
1.22      harris41  356:     }
                    357:     if ($restartflag==1) {
1.5       harris41  358: 	$errors++;
1.23      www       359: 	         print $fh '<br><font color="red">Killall lonsql: '.
                    360:                     system('killall lonsql').' - ';
1.30      albertel  361:                     sleep 2;
1.23      www       362:                     print $fh unlink($lonsqlfile).' - '.
                    363:                               system('killall -9 lonsql').
                    364:                     '</font><br>';
1.5       harris41  365: 	print $fh "<h3>lonsql not running, trying to start</h3>";
1.16      harris41  366: 	system(
                    367:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
1.30      albertel  368: 	sleep 2;
1.5       harris41  369: 	if (-e $lonsqlfile) {
                    370: 	    print $fh "Seems like it started ...<p>";
                    371: 	    my $lfh=IO::File->new("$lonsqlfile");
                    372: 	    my $lonsqlpid=<$lfh>;
                    373: 	    chomp($lonsqlpid);
1.30      albertel  374: 	    sleep 2;
1.5       harris41  375: 	    if (kill 0 => $lonsqlpid) {
                    376: 		print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
                    377: 	    } else {
                    378: 		$errors++; $errors++;
                    379: 		print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
                    380: 		print $fh "Give it one more try ...<p>";
1.16      harris41  381: 		system(
                    382:  "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
1.30      albertel  383: 		sleep 2;
1.5       harris41  384: 	    }
                    385: 	} else {
                    386: 	    print $fh "Seems like that did not work!<p>";
                    387: 	    $errors++;
                    388: 	}
                    389: 	if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
                    390: 	    print $fh "<p><pre>";
                    391: 	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
                    392: 	    while ($line=<DFH>) { 
                    393: 		print $fh "$line";
                    394: 		if ($line=~/WARNING/) { $notices++; }
                    395: 		if ($line=~/CRITICAL/) { $notices++; }
                    396: 	    };
                    397: 	    close (DFH);
                    398: 	    print $fh "</pre>";
                    399: 	}
                    400:     }
                    401: 
                    402:     $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
                    403: 
                    404:     my ($dev,$ino,$mode,$nlink,
                    405: 	$uid,$gid,$rdev,$size,
                    406: 	$atime,$mtime,$ctime,
                    407: 	$blksize,$blocks)=stat($fname);
                    408: 
                    409:     if ($size>40000) {
                    410: 	print $fh "Rotating logs ...<p>";
                    411: 	rename("$fname.2","$fname.3");
                    412: 	rename("$fname.1","$fname.2");
                    413: 	rename("$fname","$fname.1");
                    414:     }
                    415: 
                    416:     &errout($fh);
                    417: }
1.1       albertel  418: # ------------------------------------------------------------------------ lond
                    419: 
                    420: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
1.23      www       421: print "lond\n";
1.1       albertel  422: 
                    423: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
1.23      www       424: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
1.1       albertel  425: while ($line=<DFH>) { 
                    426:    print $fh "$line";
1.3       www       427:    if ($line=~/INFO/) { $notices++; }
1.4       www       428:    if ($line=~/WARNING/) { $notices++; }
                    429:    if ($line=~/CRITICAL/) { $warnings++; }
1.1       albertel  430: };
                    431: close (DFH);
                    432: }
                    433: print $fh "</pre>";
                    434: 
                    435: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
                    436: 
1.22      harris41  437: $restartflag=1;
1.7       harris41  438: if (-e $londfile) {    
1.1       albertel  439:    my $lfh=IO::File->new("$londfile");
                    440:    my $londpid=<$lfh>;
                    441:    chomp($londpid);
                    442:    if (kill 0 => $londpid) {
1.25      www       443:       print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
                    444:       kill USR1 => $londpid;
1.7       harris41  445:       $restartflag=0;
1.1       albertel  446:    } else {
1.8       harris41  447:       $errors++;
1.1       albertel  448:       print $fh "<h3>lond at pid $londpid not responding</h3>";
1.23      www       449:       $restartflag=1;
1.8       harris41  450:       print $fh 
1.23      www       451: 	  "<h3>Decided to clean up stale .pid file and restart lond</h3>";
1.1       albertel  452:    }
1.7       harris41  453: } 
                    454: if ($restartflag==1) {
1.1       albertel  455:    $errors++;
1.23      www       456: 	  print $fh '<br><font color="red">Killall lond: '.
                    457:                     system('killall lond').' - ';
1.30      albertel  458:           sleep 2;
1.23      www       459:           print $fh unlink($londfile).' - '.system('killall -9 lond').
                    460:                     '</font><br>';
1.1       albertel  461:    print $fh "<h3>lond not running, trying to start</h3>";
1.16      harris41  462:    system(
                    463:      "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
1.30      albertel  464:    sleep 2;
1.1       albertel  465:    if (-e $londfile) {
                    466:        print $fh "Seems like it started ...<p>";
                    467:        my $lfh=IO::File->new("$londfile");
                    468:        my $londpid=<$lfh>;
                    469:        chomp($londpid);
1.30      albertel  470:        sleep 2;
1.1       albertel  471:        if (kill 0 => $londpid) {
                    472:           print $fh "<h3>lond at pid $londpid responding</h3>";
                    473:        } else {
                    474:           $errors++; $errors++;
                    475:           print $fh "<h3>lond at pid $londpid not responding</h3>";
                    476:           print $fh "Give it one more try ...<p>";
1.16      harris41  477: 	  system(
                    478:  "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
1.30      albertel  479:           sleep 2;
1.1       albertel  480:        }
                    481:    } else {
                    482:        print $fh "Seems like that did not work!<p>";
                    483:        $errors++;
                    484:    }
1.3       www       485:    if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
                    486:     print $fh "<p><pre>";
                    487:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
                    488:     while ($line=<DFH>) { 
                    489:       print $fh "$line";
1.4       www       490:       if ($line=~/WARNING/) { $notices++; }
                    491:       if ($line=~/CRITICAL/) { $notices++; }
1.3       www       492:     };
                    493:     close (DFH);
                    494:     print $fh "</pre>";
                    495:    }
1.1       albertel  496: }
                    497: 
                    498: $fname="$perlvar{'lonDaemons'}/logs/lond.log";
                    499: 
                    500:                           my ($dev,$ino,$mode,$nlink,
                    501:                               $uid,$gid,$rdev,$size,
                    502:                               $atime,$mtime,$ctime,
                    503:                               $blksize,$blocks)=stat($fname);
                    504: 
                    505: if ($size>40000) {
                    506:     print $fh "Rotating logs ...<p>";
                    507:     rename("$fname.2","$fname.3");
                    508:     rename("$fname.1","$fname.2");
                    509:     rename("$fname","$fname.1");
                    510: }
                    511: 
                    512: &errout($fh);
                    513: # ------------------------------------------------------------------------ lonc
                    514: 
                    515: print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
1.23      www       516: print "lonc\n";
1.1       albertel  517: 
                    518: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
1.23      www       519: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
1.1       albertel  520: while ($line=<DFH>) { 
                    521:    print $fh "$line";
1.3       www       522:    if ($line=~/INFO/) { $notices++; }
1.4       www       523:    if ($line=~/WARNING/) { $notices++; }
                    524:    if ($line=~/CRITICAL/) { $warnings++; }
1.1       albertel  525: };
                    526: close (DFH);
                    527: }
                    528: print $fh "</pre>";
                    529: 
                    530: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
                    531: 
1.7       harris41  532: $restartflag=1;
1.1       albertel  533: if (-e $loncfile) {
                    534:    my $lfh=IO::File->new("$loncfile");
                    535:    my $loncpid=<$lfh>;
                    536:    chomp($loncpid);
                    537:    if (kill 0 => $loncpid) {
                    538:       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
                    539:       kill USR1 => $loncpid;
1.7       harris41  540:       $restartflag=0;
1.1       albertel  541:    } else {
1.8       harris41  542:       $errors++;
1.1       albertel  543:       print $fh "<h3>lonc at pid $loncpid not responding</h3>";
1.10      harris41  544:       # Solution: kill parent and children processes, remove .pid and restart
1.8       harris41  545: 	  $restartflag=1;
                    546:       print $fh 
1.23      www       547: 	  "<h3>Decided to clean up stale .pid file and restart lonc</h3>";
1.1       albertel  548:    }
1.7       harris41  549: } 
                    550: if ($restartflag==1) {
1.1       albertel  551:    $errors++;
1.23      www       552: 	  print $fh '<br><font color="red">Killall lonc: '.
                    553: 	            system('killall lonc').' - ';
1.30      albertel  554:           sleep 2;
1.23      www       555:           print $fh unlink($loncfile).' - '.system('killall -9 lonc').
                    556:                     '</font><br>';
1.1       albertel  557:    print $fh "<h3>lonc not running, trying to start</h3>";
1.16      harris41  558: 	system(
1.17      harris41  559:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
1.30      albertel  560:    sleep 2;
1.1       albertel  561:    if (-e $loncfile) {
                    562:        print $fh "Seems like it started ...<p>";
                    563:        my $lfh=IO::File->new("$loncfile");
                    564:        my $loncpid=<$lfh>;
                    565:        chomp($loncpid);
1.30      albertel  566:        sleep 2;
1.1       albertel  567:        if (kill 0 => $loncpid) {
                    568:           print $fh "<h3>lonc at pid $loncpid responding</h3>";
                    569:        } else {
                    570:           $errors++; $errors++;
                    571:           print $fh "<h3>lonc at pid $loncpid not responding</h3>";
                    572:           print $fh "Give it one more try ...<p>";
1.16      harris41  573:  	  system(
1.17      harris41  574:  "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
1.30      albertel  575:           sleep 2;
1.1       albertel  576:        }
                    577:    } else {
                    578:        print $fh "Seems like that did not work!<p>";
                    579:        $errors++;
                    580:    }
1.3       www       581:    if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
                    582:     print $fh "<p><pre>";
                    583:     open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
                    584:     while ($line=<DFH>) { 
                    585:       print $fh "$line";
1.4       www       586:       if ($line=~/WARNING/) { $notices++; }
                    587:       if ($line=~/CRITICAL/) { $notices++; }
1.3       www       588:     };
                    589:     close (DFH);
                    590:     print $fh "</pre>";
                    591:    }
1.1       albertel  592: }
                    593: 
                    594: $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
                    595: 
                    596:                           my ($dev,$ino,$mode,$nlink,
                    597:                               $uid,$gid,$rdev,$size,
                    598:                               $atime,$mtime,$ctime,
                    599:                               $blksize,$blocks)=stat($fname);
                    600: 
                    601: if ($size>40000) {
                    602:     print $fh "Rotating logs ...<p>";
                    603:     rename("$fname.2","$fname.3");
                    604:     rename("$fname.1","$fname.2");
                    605:     rename("$fname","$fname.1");
                    606: }
                    607: 
                    608:    
                    609: &errout($fh);
                    610: # ---------------------------------------------------------------------- lonnet
                    611: 
                    612: print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
1.23      www       613: print "lonnet\n";
1.1       albertel  614: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
                    615: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
                    616: while ($line=<DFH>) { 
                    617:     print $fh "$line";
                    618: };
                    619: close (DFH);
                    620: }
1.11      www       621: print $fh "</pre><h3>Perm Log</h3><pre>";
1.1       albertel  622: 
                    623: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
                    624:     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
                    625: while ($line=<DFH>) { 
                    626:    print $fh "$line";
                    627: };
                    628: close (DFH);
                    629: } else { print $fh "No perm log\n" }
                    630: 
                    631: $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
                    632: 
                    633:                           my ($dev,$ino,$mode,$nlink,
                    634:                               $uid,$gid,$rdev,$size,
                    635:                               $atime,$mtime,$ctime,
                    636:                               $blksize,$blocks)=stat($fname);
                    637: 
                    638: if ($size>40000) {
                    639:     print $fh "Rotating logs ...<p>";
                    640:     rename("$fname.2","$fname.3");
                    641:     rename("$fname.1","$fname.2");
                    642:     rename("$fname","$fname.1");
                    643: }
                    644: 
                    645: print $fh "</pre>";
                    646: &errout($fh);
                    647: # ----------------------------------------------------------------- Connections
                    648: 
                    649: print $fh '<hr><a name="connections"><h2>Connections</h2>';
                    650: 
                    651: print $fh "<table border=2>";
1.31      albertel  652: foreach $tryserver (sort(keys(%hostname))) {
1.1       albertel  653: 
                    654:     $answer=reply("pong",$tryserver);
                    655:     if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
                    656: 	$result="<b>ok</b>";
                    657:     } else {
                    658:         $result=$answer;
                    659:         $warnings++;
                    660:         if ($answer eq 'con_lost') { $warnings++; }
                    661:     }
                    662:     print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
                    663: 
                    664: }
                    665: print $fh "</table>";
                    666: 
                    667: &errout($fh);
                    668: # ------------------------------------------------------------ Delayed messages
                    669: 
                    670: print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
1.23      www       671: print "buffers\n";
1.1       albertel  672: 
                    673: print $fh '<h3>Scanning Permanent Log</h3>';
                    674: 
                    675: $unsend=0;
                    676: {
                    677:     my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
                    678:     while ($line=<$dfh>) {
                    679: 	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
                    680:         if ($sdf eq 'F') { 
                    681: 	    $local=localtime($time);
                    682:             print "<b>Failed: $time, $dserv, $dcmd</b><br>";
                    683:             $warnings++;
                    684:         }
                    685:         if ($sdf eq 'S') { $unsend--; }
                    686:         if ($sdf eq 'D') { $unsend++; }
                    687:     }
                    688: }
                    689: print $fh "Total unsend messages: <b>$unsend</b><p>\n";
                    690: $warnings=$warnings+5*$unsend;
                    691: 
                    692: print $fh "<h3>Outgoing Buffer</h3>";
                    693: 
                    694: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
                    695: while ($line=<DFH>) { 
                    696:     print $fh "$line<br>";
                    697: };
                    698: close (DFH);
                    699: 
                    700: # ------------------------------------------------------------------------- End
                    701: print $fh "<a name=errcount>\n";
                    702: $totalcount=$notices+4*$warnings+100*$errors;
                    703: &errout($fh);
                    704: print $fh "<h1>Total Error Count: $totalcount</h1>";
                    705: $now=time;
                    706: $date=localtime($now);
                    707: print $fh "<hr>$date ($now)</body></html>\n";
1.23      www       708: print "writing done\n";
1.1       albertel  709: }
                    710: 
                    711: rename ("$statusdir/newstatus.html","$statusdir/index.html");
                    712: 
                    713: if ($totalcount>200) {
1.23      www       714:    print "mailing\n";
1.1       albertel  715:    $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
                    716:    $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
                    717:    system(
1.24      www       718:  "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
1.1       albertel  719: }
                    720: 1;
                    721: 
                    722: 
                    723: 
                    724: 
                    725: 
                    726: 
                    727: 
                    728: 

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