Annotation of loncom/loncron, revision 1.59
1.1 albertel 1: #!/usr/bin/perl
2:
1.47 albertel 3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
1.59 ! albertel 5: # $Id: loncron,v 1.58 2005/04/13 18:56:07 albertel Exp $
1.47 albertel 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;
1.48 albertel 31: use strict;
1.1 albertel 32:
1.26 harris41 33: use lib '/home/httpd/lib/perl/';
34: use LONCAPA::Configuration;
35:
1.1 albertel 36: use IO::File;
37: use IO::Socket;
1.48 albertel 38: use HTML::Entities;
1.49 albertel 39: use Getopt::Long;
1.46 albertel 40: #globals
41: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
42:
43: my $statusdir="/home/httpd/html/lon-status";
44:
1.1 albertel 45:
46: # -------------------------------------------------- Non-critical communication
47: sub reply {
48: my ($cmd,$server)=@_;
49: my $peerfile="$perlvar{'lonSockDir'}/$server";
50: my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
51: Type => SOCK_STREAM,
52: Timeout => 10)
53: or return "con_lost";
54: print $client "$cmd\n";
55: my $answer=<$client>;
56: chomp($answer);
57: if (!$answer) { $answer="con_lost"; }
58: return $answer;
59: }
60:
61: # --------------------------------------------------------- Output error status
62:
1.46 albertel 63: sub log {
64: my $fh=shift;
65: if ($fh) { print $fh @_ }
66: }
67:
1.1 albertel 68: sub errout {
69: my $fh=shift;
1.46 albertel 70: &log($fh,(<<ENDERROUT));
1.48 albertel 71: <table border="2" bgcolor="#CCCCCC">
1.1 albertel 72: <tr><td>Notices</td><td>$notices</td></tr>
73: <tr><td>Warnings</td><td>$warnings</td></tr>
74: <tr><td>Errors</td><td>$errors</td></tr>
1.48 albertel 75: </table><p><a href="#top">Top</a></p>
1.1 albertel 76: ENDERROUT
77: }
78:
1.42 albertel 79: sub start_daemon {
1.50 albertel 80: my ($fh,$daemon,$pidfile,$args) = @_;
1.44 albertel 81: my $progname=$daemon;
1.50 albertel 82: if ($daemon eq 'lonc' && $args eq 'new') {
1.44 albertel 83: $progname='loncnew';
84: print "new ";
85: }
1.51 albertel 86: my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
87: my $size=(stat($error_fname))[7];
88: if ($size>40000) {
89: &log($fh,"<p>Rotating error logs ...</p>");
90: rename("$error_fname.2","$error_fname.3");
91: rename("$error_fname.1","$error_fname.2");
92: rename("$error_fname","$error_fname.1");
93: }
94: system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
1.42 albertel 95: sleep 2;
96: if (-e $pidfile) {
1.48 albertel 97: &log($fh,"<p>Seems like it started ...</p>");
1.42 albertel 98: my $lfh=IO::File->new("$pidfile");
99: my $daemonpid=<$lfh>;
100: chomp($daemonpid);
101: sleep 2;
102: if (kill 0 => $daemonpid) {
103: return 1;
104: } else {
105: return 0;
106: }
107: }
1.48 albertel 108: &log($fh,"<p>Seems like that did not work!</p>");
1.42 albertel 109: $errors++;
110: return 0;
111: }
112:
113: sub checkon_daemon {
1.59 ! albertel 114: my ($fh,$daemon,$maxsize,$send,$args)=@_;
1.42 albertel 115:
1.48 albertel 116: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
1.57 albertel 117: printf("%-15s ",$daemon);
1.42 albertel 118: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
119: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46 albertel 120: while (my $line=<DFH>) {
121: &log($fh,"$line");
1.42 albertel 122: if ($line=~/INFO/) { $notices++; }
123: if ($line=~/WARNING/) { $notices++; }
124: if ($line=~/CRITICAL/) { $warnings++; }
125: };
126: close (DFH);
127: }
1.48 albertel 128: &log($fh,"</tt></p>");
1.42 albertel 129:
130: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
131:
132: my $restartflag=1;
1.46 albertel 133: my $daemonpid;
1.42 albertel 134: if (-e $pidfile) {
135: my $lfh=IO::File->new("$pidfile");
1.46 albertel 136: $daemonpid=<$lfh>;
1.42 albertel 137: chomp($daemonpid);
138: if (kill 0 => $daemonpid) {
1.46 albertel 139: &log($fh,"<h3>$daemon at pid $daemonpid responding");
1.59 ! albertel 140: if ($send) { &log($fh,", sending $send"); }
1.46 albertel 141: &log($fh,"</h3>");
1.59 ! albertel 142: if ($send eq 'USR1') { kill USR1 => $daemonpid; }
! 143: if ($send eq 'USR2') { kill USR2 => $daemonpid; }
1.42 albertel 144: $restartflag=0;
1.59 ! albertel 145: if ($send eq 'USR2') {
! 146: print "reloaded\n";
! 147: } else {
! 148: print "running\n";
! 149: }
1.42 albertel 150: } else {
151: $errors++;
1.46 albertel 152: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.42 albertel 153: $restartflag=1;
1.46 albertel 154: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
1.42 albertel 155: }
156: }
157: if ($restartflag==1) {
158: $simplestatus{$daemon}='off';
159: $errors++;
1.57 albertel 160: my $kadaemon=$daemon;
161: if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
1.46 albertel 162: &log($fh,'<br><font color="red">Killall '.$daemon.': '.
1.57 albertel 163: `killall $kadaemon 2>&1`.' - ');
1.42 albertel 164: sleep 2;
1.46 albertel 165: &log($fh,unlink($pidfile).' - '.
1.57 albertel 166: `killall -9 $kadaemon 2>&1`.
1.46 albertel 167: '</font><br>');
168: &log($fh,"<h3>$daemon not running, trying to start</h3>");
1.42 albertel 169:
1.50 albertel 170: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 171: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 172: $simplestatus{$daemon}='restarted';
173: print "started\n";
174: } else {
175: $errors++;
1.46 albertel 176: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 177: &log($fh,"<p>Give it one more try ...</p>");
1.42 albertel 178: print " ";
1.50 albertel 179: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 180: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 181: $simplestatus{$daemon}='restarted';
182: print "started\n";
183: } else {
184: print " failed\n";
185: $simplestatus{$daemon}='failed';
186: $errors++; $errors++;
1.46 albertel 187: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 188: &log($fh,"<p>Unable to start $daemon</p>");
1.42 albertel 189: }
190: }
191:
192: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
1.46 albertel 193: &log($fh,"<p><pre>");
1.42 albertel 194: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46 albertel 195: while (my $line=<DFH>) {
196: &log($fh,"$line");
1.42 albertel 197: if ($line=~/WARNING/) { $notices++; }
198: if ($line=~/CRITICAL/) { $notices++; }
199: };
200: close (DFH);
1.48 albertel 201: &log($fh,"</pre></p>");
1.42 albertel 202: }
203: }
204:
1.46 albertel 205: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
1.42 albertel 206:
207: my ($dev,$ino,$mode,$nlink,
208: $uid,$gid,$rdev,$size,
209: $atime,$mtime,$ctime,
210: $blksize,$blocks)=stat($fname);
211:
212: if ($size>$maxsize) {
1.48 albertel 213: &log($fh,"<p>Rotating logs ...</p>");
1.42 albertel 214: rename("$fname.2","$fname.3");
215: rename("$fname.1","$fname.2");
216: rename("$fname","$fname.1");
217: }
218:
219: &errout($fh);
220: }
1.1 albertel 221:
1.46 albertel 222: # --------------------------------------------------------------------- Machine
223: sub log_machine_info {
224: my ($fh)=@_;
1.48 albertel 225: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
1.46 albertel 226: &log($fh,"<h3>loadavg</h3>");
227:
228: open (LOADAVGH,"/proc/loadavg");
229: my $loadavg=<LOADAVGH>;
230: close (LOADAVGH);
231:
232: &log($fh,"<tt>$loadavg</tt>");
233:
234: my @parts=split(/\s+/,$loadavg);
235: if ($parts[1]>4.0) {
236: $errors++;
237: } elsif ($parts[1]>2.0) {
238: $warnings++;
239: } elsif ($parts[1]>1.0) {
240: $notices++;
241: }
1.13 harris41 242:
1.46 albertel 243: &log($fh,"<h3>df</h3>");
244: &log($fh,"<pre>");
1.14 harris41 245:
1.46 albertel 246: open (DFH,"df|");
247: while (my $line=<DFH>) {
1.48 albertel 248: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 249: @parts=split(/\s+/,$line);
250: my $usage=$parts[4];
251: $usage=~s/\W//g;
252: if ($usage>90) {
253: $warnings++;
254: $notices++;
255: } elsif ($usage>80) {
256: $warnings++;
257: } elsif ($usage>60) {
258: $notices++;
1.31 albertel 259: }
1.46 albertel 260: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
1.1 albertel 261: }
1.46 albertel 262: close (DFH);
263: &log($fh,"</pre>");
1.1 albertel 264:
265:
1.46 albertel 266: &log($fh,"<h3>ps</h3>");
267: &log($fh,"<pre>");
268: my $psproc=0;
1.1 albertel 269:
1.53 albertel 270: open (PSH,"ps aux --cols 140 |");
1.46 albertel 271: while (my $line=<PSH>) {
1.48 albertel 272: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 273: $psproc++;
274: }
275: close (PSH);
276: &log($fh,"</pre>");
1.1 albertel 277:
1.46 albertel 278: if ($psproc>200) { $notices++; }
279: if ($psproc>250) { $notices++; }
1.1 albertel 280:
1.46 albertel 281: &errout($fh);
282: }
1.1 albertel 283:
1.46 albertel 284: sub start_logging {
285: my ($hostdom,$hostrole,$hostname,$spareid)=@_;
1.43 albertel 286: my $fh=IO::File->new(">$statusdir/newstatus.html");
287: my %simplestatus=();
1.46 albertel 288: my $now=time;
289: my $date=localtime($now);
1.43 albertel 290:
1.46 albertel 291:
292: &log($fh,(<<ENDHEADERS));
1.1 albertel 293: <html>
294: <head>
295: <title>LON Status Report $perlvar{'lonHostID'}</title>
296: </head>
1.3 www 297: <body bgcolor="#AAAAAA">
1.48 albertel 298: <a name="top" />
1.1 albertel 299: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
300: <h2>$date ($now)</h2>
301: <ol>
1.48 albertel 302: <li><a href="#configuration">Configuration</a></li>
303: <li><a href="#machine">Machine Information</a></li>
304: <li><a href="#tmp">Temporary Files</a></li>
305: <li><a href="#tokens">Session Tokens</a></li>
306: <li><a href="#httpd">httpd</a></li>
307: <li><a href="#lonsql">lonsql</a></li>
308: <li><a href="#lond">lond</a></li>
309: <li><a href="#lonc">lonc</a></li>
310: <li><a href="#lonhttpd">lonhttpd</a></li>
311: <li><a href="#lonnet">lonnet</a></li>
312: <li><a href="#connections">Connections</a></li>
313: <li><a href="#delayed">Delayed Messages</a></li>
314: <li><a href="#errcount">Error Count</a></li>
1.1 albertel 315: </ol>
1.48 albertel 316: <hr />
317: <a name="configuration" />
1.1 albertel 318: <h2>Configuration</h2>
319: <h3>PerlVars</h3>
1.48 albertel 320: <table border="2">
1.1 albertel 321: ENDHEADERS
322:
1.46 albertel 323: foreach my $varname (sort(keys(%perlvar))) {
1.48 albertel 324: &log($fh,"<tr><td>$varname</td><td>".
325: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
1.43 albertel 326: }
1.48 albertel 327: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
1.46 albertel 328: foreach my $id (sort(keys(%{$hostname}))) {
329: &log($fh,
330: "<tr><td>$id</td><td>".$hostdom->{$id}.
331: "</td><td>".$hostrole->{$id}.
332: "</td><td>".$hostname->{$id}."</td></tr>\n");
333: }
334: &log($fh,"</table><h3>Spare Hosts</h3><ol>");
335: foreach my $id (sort(keys(%{$spareid}))) {
1.48 albertel 336: &log($fh,"<li>$id\n</li>");
1.43 albertel 337: }
1.46 albertel 338: &log($fh,"</ol>\n");
339: return $fh;
340: }
1.11 www 341:
342: # --------------------------------------------------------------- clean out tmp
1.46 albertel 343: sub clean_tmp {
344: my ($fh)=@_;
1.48 albertel 345: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
1.46 albertel 346: my $cleaned=0;
347: my $old=0;
348: while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
1.43 albertel 349: my ($dev,$ino,$mode,$nlink,
350: $uid,$gid,$rdev,$size,
351: $atime,$mtime,$ctime,
352: $blksize,$blocks)=stat($fname);
1.46 albertel 353: my $now=time;
354: my $since=$now-$mtime;
1.43 albertel 355: if ($since>$perlvar{'lonExpire'}) {
1.46 albertel 356: my $line='';
1.43 albertel 357: if (open(PROBE,$fname)) {
358: $line=<PROBE>;
359: close(PROBE);
360: }
361: unless ($line=~/^CHECKOUTTOKEN\&/) {
362: $cleaned++;
363: unlink("$fname");
364: } else {
365: if ($since>365*$perlvar{'lonExpire'}) {
366: $cleaned++;
367: unlink("$fname");
368: } else { $old++; }
369: }
370: }
371: }
1.46 albertel 372: &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
373: }
1.11 www 374:
375: # ------------------------------------------------------------ clean out lonIDs
1.46 albertel 376: sub clean_lonIDs {
377: my ($fh)=@_;
1.48 albertel 378: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
1.46 albertel 379: my $cleaned=0;
380: my $active=0;
381: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
1.43 albertel 382: my ($dev,$ino,$mode,$nlink,
383: $uid,$gid,$rdev,$size,
384: $atime,$mtime,$ctime,
385: $blksize,$blocks)=stat($fname);
1.46 albertel 386: my $now=time;
387: my $since=$now-$mtime;
1.43 albertel 388: if ($since>$perlvar{'lonExpire'}) {
389: $cleaned++;
1.46 albertel 390: &log($fh,"Unlinking $fname<br>");
1.43 albertel 391: unlink("$fname");
392: } else {
393: $active++;
394: }
1.46 albertel 395: }
1.48 albertel 396: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
1.46 albertel 397: &log($fh,"<h3>$active open session(s)</h3>");
398: }
1.43 albertel 399:
1.11 www 400:
1.1 albertel 401: # ----------------------------------------------------------------------- httpd
1.46 albertel 402: sub check_httpd_logs {
403: my ($fh)=@_;
1.48 albertel 404: &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
1.43 albertel 405:
406: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.48 albertel 407: while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
1.43 albertel 408: close (DFH);
1.46 albertel 409:
410: &log($fh,"</pre><h3>Error Log</h3><pre>");
411:
1.43 albertel 412: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.46 albertel 413: while (my $line=<DFH>) {
414: &log($fh,"$line");
1.43 albertel 415: if ($line=~/\[error\]/) { $notices++; }
1.46 albertel 416: }
1.43 albertel 417: close (DFH);
1.46 albertel 418: &log($fh,"</pre>");
1.43 albertel 419: &errout($fh);
1.46 albertel 420: }
1.1 albertel 421:
422: # ---------------------------------------------------------------------- lonnet
423:
1.48 albertel 424: sub rotate_lonnet_logs {
1.46 albertel 425: my ($fh)=@_;
1.48 albertel 426: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
1.43 albertel 427: print "checking logs\n";
428: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
429: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
1.46 albertel 430: while (my $line=<DFH>) {
1.48 albertel 431: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 432: }
1.43 albertel 433: close (DFH);
434: }
1.46 albertel 435: &log($fh,"</pre><h3>Perm Log</h3><pre>");
1.43 albertel 436:
437: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
438: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
1.46 albertel 439: while (my $line=<DFH>) {
1.48 albertel 440: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 441: }
1.43 albertel 442: close (DFH);
1.46 albertel 443: } else { &log($fh,"No perm log\n") }
1.43 albertel 444:
1.46 albertel 445: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
1.43 albertel 446:
447: my ($dev,$ino,$mode,$nlink,
448: $uid,$gid,$rdev,$size,
449: $atime,$mtime,$ctime,
450: $blksize,$blocks)=stat($fname);
451:
452: if ($size>40000) {
1.48 albertel 453: &log($fh,"<p>Rotating logs ...</p>");
1.43 albertel 454: rename("$fname.2","$fname.3");
455: rename("$fname.1","$fname.2");
456: rename("$fname","$fname.1");
457: }
1.1 albertel 458:
1.46 albertel 459: &log($fh,"</pre>");
1.43 albertel 460: &errout($fh);
1.46 albertel 461: }
462:
1.43 albertel 463: # ----------------------------------------------------------------- Connections
1.46 albertel 464: sub test_connections {
465: my ($fh,$hostname)=@_;
1.48 albertel 466: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
1.43 albertel 467: print "testing connections\n";
1.48 albertel 468: &log($fh,"<table border='2'>");
1.49 albertel 469: my ($good,$bad)=(0,0);
1.46 albertel 470: foreach my $tryserver (sort(keys(%{$hostname}))) {
1.43 albertel 471: print(".");
1.46 albertel 472: my $result;
1.55 albertel 473: my $answer=reply("ping",$tryserver);
1.43 albertel 474: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
475: $result="<b>ok</b>";
1.49 albertel 476: $good++;
1.43 albertel 477: } else {
478: $result=$answer;
479: $warnings++;
1.49 albertel 480: if ($answer eq 'con_lost') {
481: $bad++;
482: $warnings++;
1.50 albertel 483: } else {
484: $good++; #self connection
1.49 albertel 485: }
1.43 albertel 486: }
487: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
1.46 albertel 488: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
1.1 albertel 489: }
1.46 albertel 490: &log($fh,"</table>");
1.49 albertel 491: print "\n$good good, $bad bad connections\n";
1.43 albertel 492: &errout($fh);
1.46 albertel 493: }
494:
495:
1.1 albertel 496: # ------------------------------------------------------------ Delayed messages
1.46 albertel 497: sub check_delayed_msg {
498: my ($fh)=@_;
1.48 albertel 499: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
1.43 albertel 500: print "checking buffers\n";
1.46 albertel 501:
502: &log($fh,'<h3>Scanning Permanent Log</h3>');
1.1 albertel 503:
1.46 albertel 504: my $unsend=0;
1.1 albertel 505:
1.46 albertel 506: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
507: while (my $line=<$dfh>) {
508: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
509: if ($sdf eq 'F') {
510: my $local=localtime($time);
511: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
512: $warnings++;
1.43 albertel 513: }
1.46 albertel 514: if ($sdf eq 'S') { $unsend--; }
515: if ($sdf eq 'D') { $unsend++; }
1.1 albertel 516: }
1.46 albertel 517:
1.48 albertel 518: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
1.43 albertel 519: $warnings=$warnings+5*$unsend;
1.1 albertel 520:
1.43 albertel 521: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
1.48 albertel 522: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
1.1 albertel 523:
1.43 albertel 524: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
1.46 albertel 525: while (my $line=<DFH>) {
1.48 albertel 526: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 527: }
1.48 albertel 528: &log($fh,"</pre>\n");
1.43 albertel 529: close (DFH);
1.46 albertel 530: }
1.1 albertel 531:
1.46 albertel 532: sub finish_logging {
533: my ($fh)=@_;
1.48 albertel 534: &log($fh,"<a name='errcount' />\n");
1.43 albertel 535: $totalcount=$notices+4*$warnings+100*$errors;
536: &errout($fh);
1.46 albertel 537: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
538: my $now=time;
539: my $date=localtime($now);
1.48 albertel 540: &log($fh,"<hr />$date ($now)</body></html>\n");
1.43 albertel 541: print "lon-status webpage updated\n";
542: $fh->close();
1.46 albertel 543:
544: if ($errors) { $simplestatus{'errors'}=$errors; }
545: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
546: if ($notices) { $simplestatus{'notices'}=$notices; }
547: $simplestatus{'time'}=time;
1.1 albertel 548: }
549:
1.46 albertel 550: sub log_simplestatus {
551: rename ("$statusdir/newstatus.html","$statusdir/index.html");
552:
1.43 albertel 553: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
554: foreach (keys %simplestatus) {
555: print $sfh $_.'='.$simplestatus{$_}.'&';
556: }
557: print $sfh "\n";
558: $sfh->close();
1.41 www 559: }
1.46 albertel 560:
561: sub send_mail {
1.43 albertel 562: print "sending mail\n";
1.46 albertel 563: my $emailto="$perlvar{'lonAdmEMail'}";
1.54 www 564: if ($totalcount>2500) {
1.43 albertel 565: $emailto.=",$perlvar{'lonSysEMail'}";
566: }
1.46 albertel 567: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
1.52 albertel 568:
1.58 albertel 569: my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
1.52 albertel 570: if ($result != 0) {
571: $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
572: }
1.1 albertel 573: }
1.46 albertel 574:
1.49 albertel 575: sub usage {
576: print(<<USAGE);
577: loncron - housekeeping program that checks up on various parts of Lon-CAPA
578:
579: Options:
580: --help Display help
581: --oldlonc When starting the lonc daemon use 'lonc' not 'loncnew'
582: --noemail Do not send the status email
583: --justcheckconnections Only check the current status of the lonc/d
584: connections, do not send emails do not
585: check if the daemons are running, do not
586: generate lon-status
587: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
588: running, do not send emails do not
589: check the lonc/d connections, do not
590: generate lon-status
1.59 ! albertel 591: --justreload Only tell the daemons to reload the config files,
! 592: do not send emails do not
! 593: check if the daemons are running, do not
! 594: generate lon-status
1.49 albertel 595:
596: USAGE
597: }
598:
1.46 albertel 599: # ================================================================ Main Program
600: sub main () {
1.59 ! albertel 601: my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections,
! 602: $justreload);
1.49 albertel 603: &GetOptions("help" => \$help,
604: "oldlonc" => \$oldlonc,
605: "justcheckdaemons" => \$justcheckdaemons,
606: "noemail" => \$noemail,
1.59 ! albertel 607: "justcheckconnections" => \$justcheckconnections,
! 608: "justreload" => \$justreload
1.49 albertel 609: );
610: if ($help) { &usage(); return; }
1.46 albertel 611: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
612: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
613: %perlvar=%{$perlvarref};
614: undef $perlvarref;
615: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
616: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
617:
618: # --------------------------------------- Make sure that LON-CAPA is configured
619: # I only test for one thing here (lonHostID). This is just a safeguard.
620: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
621: print("Unconfigured machine.\n");
622: my $emailto=$perlvar{'lonSysEMail'};
623: my $hostname=`/bin/hostname`;
624: chop $hostname;
625: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
626: my $subj="LON: Unconfigured machine $hostname";
627: system("echo 'Unconfigured machine $hostname.' |\
628: mailto $emailto -s '$subj' > /dev/null");
629: exit 1;
630: }
631:
632: # ----------------------------- Make sure this process is running from user=www
633: my $wwwid=getpwnam('www');
634: if ($wwwid!=$<) {
635: print("User ID mismatch. This program must be run as user 'www'\n");
636: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
637: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
638: system("echo 'User ID mismatch. loncron must be run as user www.' |\
639: mailto $emailto -s '$subj' > /dev/null");
640: exit 1;
641: }
642:
643: # ------------------------------------------------------------- Read hosts file
644: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
645:
646: my (%hostname,%hostdom,%hostrole,%spareid);
647: while (my $configline=<$config>) {
1.49 albertel 648: next if ($configline =~ /^(\#|\s*\$)/);
1.56 albertel 649: my ($id,$domain,$role,$name)=split(/:/,$configline);
650: if ($id && $domain && $role && $name) {
651: $name=~s/\s//g;
1.46 albertel 652: $hostname{$id}=$name;
653: $hostdom{$id}=$domain;
654: $hostrole{$id}=$role;
655: }
656: }
657: undef $config;
658:
659: # ------------------------------------------------------ Read spare server file
660: $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
661:
662: while (my $configline=<$config>) {
663: chomp($configline);
664: if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
665: $spareid{$configline}=1;
666: }
667: }
668: undef $config;
669:
670: # ---------------------------------------------------------------- Start report
671:
672: $errors=0;
673: $warnings=0;
674: $notices=0;
675:
676:
1.49 albertel 677: my $fh;
1.59 ! albertel 678: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
1.49 albertel 679: $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
680:
681: &log_machine_info($fh);
682: &clean_tmp($fh);
683: &clean_lonIDs($fh);
684: &check_httpd_logs($fh);
685: &rotate_lonnet_logs($fh);
686: }
1.59 ! albertel 687: if (!$justcheckconnections && !$justreload) {
1.49 albertel 688: &checkon_daemon($fh,'lonsql',200000);
1.59 ! albertel 689: &checkon_daemon($fh,'lond',40000,'USR1');
1.50 albertel 690: my $args='new';
691: if ($oldlonc) { $args = ''; }
1.59 ! albertel 692: &checkon_daemon($fh,'lonc',40000,'USR1',$args);
1.49 albertel 693: &checkon_daemon($fh,'lonhttpd',40000);
1.57 albertel 694: &checkon_daemon($fh,'lonmemcached',40000);
1.49 albertel 695: }
1.59 ! albertel 696: if ($justreload) {
! 697: &checkon_daemon($fh,'lond',40000,'USR2');
! 698: my $args='new';
! 699: if ($oldlonc) { $args = ''; }
! 700: &checkon_daemon($fh,'lonc',40000,'USR2',$args);
! 701: }
! 702: if (!$justcheckdaemons && !$justreload) {
1.49 albertel 703: &test_connections($fh,\%hostname);
704: }
1.59 ! albertel 705: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
1.49 albertel 706: &check_delayed_msg($fh);
707: &finish_logging($fh);
708: &log_simplestatus();
709:
710: if ($totalcount>200 && !$noemail) { &send_mail(); }
711: }
1.46 albertel 712: }
713:
714: &main();
1.1 albertel 715: 1;
716:
717:
718:
719:
720:
721:
722:
723:
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