Annotation of loncom/loncron, revision 1.50
1.1 albertel 1: #!/usr/bin/perl
2:
1.47 albertel 3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
1.50 ! albertel 5: # $Id: loncron,v 1.49 2004/05/11 21:08:55 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: $progname='loncnew';
84: print "new ";
85: }
86: system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
1.42 albertel 87: sleep 2;
88: if (-e $pidfile) {
1.48 albertel 89: &log($fh,"<p>Seems like it started ...</p>");
1.42 albertel 90: my $lfh=IO::File->new("$pidfile");
91: my $daemonpid=<$lfh>;
92: chomp($daemonpid);
93: sleep 2;
94: if (kill 0 => $daemonpid) {
95: return 1;
96: } else {
97: return 0;
98: }
99: }
1.48 albertel 100: &log($fh,"<p>Seems like that did not work!</p>");
1.42 albertel 101: $errors++;
102: return 0;
103: }
104:
105: sub checkon_daemon {
1.50 ! albertel 106: my ($fh,$daemon,$maxsize,$sendusr1,$args)=@_;
1.42 albertel 107:
1.48 albertel 108: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
1.42 albertel 109: printf("%-10s ",$daemon);
110: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
111: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46 albertel 112: while (my $line=<DFH>) {
113: &log($fh,"$line");
1.42 albertel 114: if ($line=~/INFO/) { $notices++; }
115: if ($line=~/WARNING/) { $notices++; }
116: if ($line=~/CRITICAL/) { $warnings++; }
117: };
118: close (DFH);
119: }
1.48 albertel 120: &log($fh,"</tt></p>");
1.42 albertel 121:
122: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
123:
124: my $restartflag=1;
1.46 albertel 125: my $daemonpid;
1.42 albertel 126: if (-e $pidfile) {
127: my $lfh=IO::File->new("$pidfile");
1.46 albertel 128: $daemonpid=<$lfh>;
1.42 albertel 129: chomp($daemonpid);
130: if (kill 0 => $daemonpid) {
1.46 albertel 131: &log($fh,"<h3>$daemon at pid $daemonpid responding");
132: if ($sendusr1) { &log($fh,", sending USR1"); }
133: &log($fh,"</h3>");
1.42 albertel 134: if ($sendusr1) { kill USR1 => $daemonpid; }
135: $restartflag=0;
136: print "running\n";
137: } else {
138: $errors++;
1.46 albertel 139: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.42 albertel 140: $restartflag=1;
1.46 albertel 141: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
1.42 albertel 142: }
143: }
144: if ($restartflag==1) {
145: $simplestatus{$daemon}='off';
146: $errors++;
1.46 albertel 147: &log($fh,'<br><font color="red">Killall '.$daemon.': '.
148: `killall $daemon 2>&1`.' - ');
1.42 albertel 149: sleep 2;
1.46 albertel 150: &log($fh,unlink($pidfile).' - '.
1.42 albertel 151: `killall -9 $daemon 2>&1`.
1.46 albertel 152: '</font><br>');
153: &log($fh,"<h3>$daemon not running, trying to start</h3>");
1.42 albertel 154:
1.50 ! albertel 155: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 156: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 157: $simplestatus{$daemon}='restarted';
158: print "started\n";
159: } else {
160: $errors++;
1.46 albertel 161: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 162: &log($fh,"<p>Give it one more try ...</p>");
1.42 albertel 163: print " ";
1.50 ! albertel 164: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 165: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 166: $simplestatus{$daemon}='restarted';
167: print "started\n";
168: } else {
169: print " failed\n";
170: $simplestatus{$daemon}='failed';
171: $errors++; $errors++;
1.46 albertel 172: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 173: &log($fh,"<p>Unable to start $daemon</p>");
1.42 albertel 174: }
175: }
176:
177: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
1.46 albertel 178: &log($fh,"<p><pre>");
1.42 albertel 179: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
1.46 albertel 180: while (my $line=<DFH>) {
181: &log($fh,"$line");
1.42 albertel 182: if ($line=~/WARNING/) { $notices++; }
183: if ($line=~/CRITICAL/) { $notices++; }
184: };
185: close (DFH);
1.48 albertel 186: &log($fh,"</pre></p>");
1.42 albertel 187: }
188: }
189:
1.46 albertel 190: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
1.42 albertel 191:
192: my ($dev,$ino,$mode,$nlink,
193: $uid,$gid,$rdev,$size,
194: $atime,$mtime,$ctime,
195: $blksize,$blocks)=stat($fname);
196:
197: if ($size>$maxsize) {
1.48 albertel 198: &log($fh,"<p>Rotating logs ...</p>");
1.42 albertel 199: rename("$fname.2","$fname.3");
200: rename("$fname.1","$fname.2");
201: rename("$fname","$fname.1");
202: }
203:
204: &errout($fh);
205: }
1.1 albertel 206:
1.46 albertel 207: # --------------------------------------------------------------------- Machine
208: sub log_machine_info {
209: my ($fh)=@_;
1.48 albertel 210: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
1.46 albertel 211: &log($fh,"<h3>loadavg</h3>");
212:
213: open (LOADAVGH,"/proc/loadavg");
214: my $loadavg=<LOADAVGH>;
215: close (LOADAVGH);
216:
217: &log($fh,"<tt>$loadavg</tt>");
218:
219: my @parts=split(/\s+/,$loadavg);
220: if ($parts[1]>4.0) {
221: $errors++;
222: } elsif ($parts[1]>2.0) {
223: $warnings++;
224: } elsif ($parts[1]>1.0) {
225: $notices++;
226: }
1.13 harris41 227:
1.46 albertel 228: &log($fh,"<h3>df</h3>");
229: &log($fh,"<pre>");
1.14 harris41 230:
1.46 albertel 231: open (DFH,"df|");
232: while (my $line=<DFH>) {
1.48 albertel 233: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 234: @parts=split(/\s+/,$line);
235: my $usage=$parts[4];
236: $usage=~s/\W//g;
237: if ($usage>90) {
238: $warnings++;
239: $notices++;
240: } elsif ($usage>80) {
241: $warnings++;
242: } elsif ($usage>60) {
243: $notices++;
1.31 albertel 244: }
1.46 albertel 245: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
1.1 albertel 246: }
1.46 albertel 247: close (DFH);
248: &log($fh,"</pre>");
1.1 albertel 249:
250:
1.46 albertel 251: &log($fh,"<h3>ps</h3>");
252: &log($fh,"<pre>");
253: my $psproc=0;
1.1 albertel 254:
1.46 albertel 255: open (PSH,"ps -aux --cols 140 |");
256: while (my $line=<PSH>) {
1.48 albertel 257: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 258: $psproc++;
259: }
260: close (PSH);
261: &log($fh,"</pre>");
1.1 albertel 262:
1.46 albertel 263: if ($psproc>200) { $notices++; }
264: if ($psproc>250) { $notices++; }
1.1 albertel 265:
1.46 albertel 266: &errout($fh);
267: }
1.1 albertel 268:
1.46 albertel 269: sub start_logging {
270: my ($hostdom,$hostrole,$hostname,$spareid)=@_;
1.43 albertel 271: my $fh=IO::File->new(">$statusdir/newstatus.html");
272: my %simplestatus=();
1.46 albertel 273: my $now=time;
274: my $date=localtime($now);
1.43 albertel 275:
1.46 albertel 276:
277: &log($fh,(<<ENDHEADERS));
1.1 albertel 278: <html>
279: <head>
280: <title>LON Status Report $perlvar{'lonHostID'}</title>
281: </head>
1.3 www 282: <body bgcolor="#AAAAAA">
1.48 albertel 283: <a name="top" />
1.1 albertel 284: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
285: <h2>$date ($now)</h2>
286: <ol>
1.48 albertel 287: <li><a href="#configuration">Configuration</a></li>
288: <li><a href="#machine">Machine Information</a></li>
289: <li><a href="#tmp">Temporary Files</a></li>
290: <li><a href="#tokens">Session Tokens</a></li>
291: <li><a href="#httpd">httpd</a></li>
292: <li><a href="#lonsql">lonsql</a></li>
293: <li><a href="#lond">lond</a></li>
294: <li><a href="#lonc">lonc</a></li>
295: <li><a href="#lonhttpd">lonhttpd</a></li>
296: <li><a href="#lonnet">lonnet</a></li>
297: <li><a href="#connections">Connections</a></li>
298: <li><a href="#delayed">Delayed Messages</a></li>
299: <li><a href="#errcount">Error Count</a></li>
1.1 albertel 300: </ol>
1.48 albertel 301: <hr />
302: <a name="configuration" />
1.1 albertel 303: <h2>Configuration</h2>
304: <h3>PerlVars</h3>
1.48 albertel 305: <table border="2">
1.1 albertel 306: ENDHEADERS
307:
1.46 albertel 308: foreach my $varname (sort(keys(%perlvar))) {
1.48 albertel 309: &log($fh,"<tr><td>$varname</td><td>".
310: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
1.43 albertel 311: }
1.48 albertel 312: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
1.46 albertel 313: foreach my $id (sort(keys(%{$hostname}))) {
314: &log($fh,
315: "<tr><td>$id</td><td>".$hostdom->{$id}.
316: "</td><td>".$hostrole->{$id}.
317: "</td><td>".$hostname->{$id}."</td></tr>\n");
318: }
319: &log($fh,"</table><h3>Spare Hosts</h3><ol>");
320: foreach my $id (sort(keys(%{$spareid}))) {
1.48 albertel 321: &log($fh,"<li>$id\n</li>");
1.43 albertel 322: }
1.46 albertel 323: &log($fh,"</ol>\n");
324: return $fh;
325: }
1.11 www 326:
327: # --------------------------------------------------------------- clean out tmp
1.46 albertel 328: sub clean_tmp {
329: my ($fh)=@_;
1.48 albertel 330: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
1.46 albertel 331: my $cleaned=0;
332: my $old=0;
333: while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
1.43 albertel 334: my ($dev,$ino,$mode,$nlink,
335: $uid,$gid,$rdev,$size,
336: $atime,$mtime,$ctime,
337: $blksize,$blocks)=stat($fname);
1.46 albertel 338: my $now=time;
339: my $since=$now-$mtime;
1.43 albertel 340: if ($since>$perlvar{'lonExpire'}) {
1.46 albertel 341: my $line='';
1.43 albertel 342: if (open(PROBE,$fname)) {
343: $line=<PROBE>;
344: close(PROBE);
345: }
346: unless ($line=~/^CHECKOUTTOKEN\&/) {
347: $cleaned++;
348: unlink("$fname");
349: } else {
350: if ($since>365*$perlvar{'lonExpire'}) {
351: $cleaned++;
352: unlink("$fname");
353: } else { $old++; }
354: }
355: }
356: }
1.46 albertel 357: &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
358: }
1.11 www 359:
360: # ------------------------------------------------------------ clean out lonIDs
1.46 albertel 361: sub clean_lonIDs {
362: my ($fh)=@_;
1.48 albertel 363: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
1.46 albertel 364: my $cleaned=0;
365: my $active=0;
366: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
1.43 albertel 367: my ($dev,$ino,$mode,$nlink,
368: $uid,$gid,$rdev,$size,
369: $atime,$mtime,$ctime,
370: $blksize,$blocks)=stat($fname);
1.46 albertel 371: my $now=time;
372: my $since=$now-$mtime;
1.43 albertel 373: if ($since>$perlvar{'lonExpire'}) {
374: $cleaned++;
1.46 albertel 375: &log($fh,"Unlinking $fname<br>");
1.43 albertel 376: unlink("$fname");
377: } else {
378: $active++;
379: }
1.46 albertel 380: }
1.48 albertel 381: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
1.46 albertel 382: &log($fh,"<h3>$active open session(s)</h3>");
383: }
1.43 albertel 384:
1.11 www 385:
1.1 albertel 386: # ----------------------------------------------------------------------- httpd
1.46 albertel 387: sub check_httpd_logs {
388: my ($fh)=@_;
1.48 albertel 389: &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
1.43 albertel 390:
391: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.48 albertel 392: while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
1.43 albertel 393: close (DFH);
1.46 albertel 394:
395: &log($fh,"</pre><h3>Error Log</h3><pre>");
396:
1.43 albertel 397: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.46 albertel 398: while (my $line=<DFH>) {
399: &log($fh,"$line");
1.43 albertel 400: if ($line=~/\[error\]/) { $notices++; }
1.46 albertel 401: }
1.43 albertel 402: close (DFH);
1.46 albertel 403: &log($fh,"</pre>");
1.43 albertel 404: &errout($fh);
1.46 albertel 405: }
1.1 albertel 406:
407: # ---------------------------------------------------------------------- lonnet
408:
1.48 albertel 409: sub rotate_lonnet_logs {
1.46 albertel 410: my ($fh)=@_;
1.48 albertel 411: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
1.43 albertel 412: print "checking logs\n";
413: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
414: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
1.46 albertel 415: while (my $line=<DFH>) {
1.48 albertel 416: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 417: }
1.43 albertel 418: close (DFH);
419: }
1.46 albertel 420: &log($fh,"</pre><h3>Perm Log</h3><pre>");
1.43 albertel 421:
422: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
423: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
1.46 albertel 424: while (my $line=<DFH>) {
1.48 albertel 425: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 426: }
1.43 albertel 427: close (DFH);
1.46 albertel 428: } else { &log($fh,"No perm log\n") }
1.43 albertel 429:
1.46 albertel 430: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
1.43 albertel 431:
432: my ($dev,$ino,$mode,$nlink,
433: $uid,$gid,$rdev,$size,
434: $atime,$mtime,$ctime,
435: $blksize,$blocks)=stat($fname);
436:
437: if ($size>40000) {
1.48 albertel 438: &log($fh,"<p>Rotating logs ...</p>");
1.43 albertel 439: rename("$fname.2","$fname.3");
440: rename("$fname.1","$fname.2");
441: rename("$fname","$fname.1");
442: }
1.1 albertel 443:
1.46 albertel 444: &log($fh,"</pre>");
1.43 albertel 445: &errout($fh);
1.46 albertel 446: }
447:
1.43 albertel 448: # ----------------------------------------------------------------- Connections
1.46 albertel 449: sub test_connections {
450: my ($fh,$hostname)=@_;
1.48 albertel 451: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
1.43 albertel 452: print "testing connections\n";
1.48 albertel 453: &log($fh,"<table border='2'>");
1.49 albertel 454: my ($good,$bad)=(0,0);
1.46 albertel 455: foreach my $tryserver (sort(keys(%{$hostname}))) {
1.43 albertel 456: print(".");
1.46 albertel 457: my $result;
458: my $answer=reply("pong",$tryserver);
1.43 albertel 459: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
460: $result="<b>ok</b>";
1.49 albertel 461: $good++;
1.43 albertel 462: } else {
463: $result=$answer;
464: $warnings++;
1.49 albertel 465: if ($answer eq 'con_lost') {
466: $bad++;
467: $warnings++;
1.50 ! albertel 468: } else {
! 469: $good++; #self connection
1.49 albertel 470: }
1.43 albertel 471: }
472: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
1.46 albertel 473: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
1.1 albertel 474: }
1.46 albertel 475: &log($fh,"</table>");
1.49 albertel 476: print "\n$good good, $bad bad connections\n";
1.43 albertel 477: &errout($fh);
1.46 albertel 478: }
479:
480:
1.1 albertel 481: # ------------------------------------------------------------ Delayed messages
1.46 albertel 482: sub check_delayed_msg {
483: my ($fh)=@_;
1.48 albertel 484: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
1.43 albertel 485: print "checking buffers\n";
1.46 albertel 486:
487: &log($fh,'<h3>Scanning Permanent Log</h3>');
1.1 albertel 488:
1.46 albertel 489: my $unsend=0;
1.1 albertel 490:
1.46 albertel 491: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
492: while (my $line=<$dfh>) {
493: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
494: if ($sdf eq 'F') {
495: my $local=localtime($time);
496: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
497: $warnings++;
1.43 albertel 498: }
1.46 albertel 499: if ($sdf eq 'S') { $unsend--; }
500: if ($sdf eq 'D') { $unsend++; }
1.1 albertel 501: }
1.46 albertel 502:
1.48 albertel 503: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
1.43 albertel 504: $warnings=$warnings+5*$unsend;
1.1 albertel 505:
1.43 albertel 506: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
1.48 albertel 507: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
1.1 albertel 508:
1.43 albertel 509: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
1.46 albertel 510: while (my $line=<DFH>) {
1.48 albertel 511: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 512: }
1.48 albertel 513: &log($fh,"</pre>\n");
1.43 albertel 514: close (DFH);
1.46 albertel 515: }
1.1 albertel 516:
1.46 albertel 517: sub finish_logging {
518: my ($fh)=@_;
1.48 albertel 519: &log($fh,"<a name='errcount' />\n");
1.43 albertel 520: $totalcount=$notices+4*$warnings+100*$errors;
521: &errout($fh);
1.46 albertel 522: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
523: my $now=time;
524: my $date=localtime($now);
1.48 albertel 525: &log($fh,"<hr />$date ($now)</body></html>\n");
1.43 albertel 526: print "lon-status webpage updated\n";
527: $fh->close();
1.46 albertel 528:
529: if ($errors) { $simplestatus{'errors'}=$errors; }
530: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
531: if ($notices) { $simplestatus{'notices'}=$notices; }
532: $simplestatus{'time'}=time;
1.1 albertel 533: }
534:
1.46 albertel 535: sub log_simplestatus {
536: rename ("$statusdir/newstatus.html","$statusdir/index.html");
537:
1.43 albertel 538: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
539: foreach (keys %simplestatus) {
540: print $sfh $_.'='.$simplestatus{$_}.'&';
541: }
542: print $sfh "\n";
543: $sfh->close();
1.41 www 544: }
1.46 albertel 545:
546: sub send_mail {
1.43 albertel 547: print "sending mail\n";
1.46 albertel 548: my $emailto="$perlvar{'lonAdmEMail'}";
1.43 albertel 549: if ($totalcount>1000) {
550: $emailto.=",$perlvar{'lonSysEMail'}";
551: }
1.46 albertel 552: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
1.43 albertel 553: system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
1.1 albertel 554: }
1.46 albertel 555:
1.49 albertel 556: sub usage {
557: print(<<USAGE);
558: loncron - housekeeping program that checks up on various parts of Lon-CAPA
559:
560: Options:
561: --help Display help
562: --oldlonc When starting the lonc daemon use 'lonc' not 'loncnew'
563: --noemail Do not send the status email
564: --justcheckconnections Only check the current status of the lonc/d
565: connections, do not send emails do not
566: check if the daemons are running, do not
567: generate lon-status
568: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
569: running, do not send emails do not
570: check the lonc/d connections, do not
571: generate lon-status
572:
573: USAGE
574: }
575:
1.46 albertel 576: # ================================================================ Main Program
577: sub main () {
1.49 albertel 578: my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections);
579: &GetOptions("help" => \$help,
580: "oldlonc" => \$oldlonc,
581: "justcheckdaemons" => \$justcheckdaemons,
582: "noemail" => \$noemail,
583: "justcheckconnections" => \$justcheckconnections
584: );
585: if ($help) { &usage(); return; }
1.46 albertel 586: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
587: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
588: %perlvar=%{$perlvarref};
589: undef $perlvarref;
590: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
591: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
592:
593: # --------------------------------------- Make sure that LON-CAPA is configured
594: # I only test for one thing here (lonHostID). This is just a safeguard.
595: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
596: print("Unconfigured machine.\n");
597: my $emailto=$perlvar{'lonSysEMail'};
598: my $hostname=`/bin/hostname`;
599: chop $hostname;
600: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
601: my $subj="LON: Unconfigured machine $hostname";
602: system("echo 'Unconfigured machine $hostname.' |\
603: mailto $emailto -s '$subj' > /dev/null");
604: exit 1;
605: }
606:
607: # ----------------------------- Make sure this process is running from user=www
608: my $wwwid=getpwnam('www');
609: if ($wwwid!=$<) {
610: print("User ID mismatch. This program must be run as user 'www'\n");
611: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
612: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
613: system("echo 'User ID mismatch. loncron must be run as user www.' |\
614: mailto $emailto -s '$subj' > /dev/null");
615: exit 1;
616: }
617:
618: # ------------------------------------------------------------- Read hosts file
619: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
620:
621: my (%hostname,%hostdom,%hostrole,%spareid);
622: while (my $configline=<$config>) {
1.49 albertel 623: next if ($configline =~ /^(\#|\s*\$)/);
1.46 albertel 624: my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
625: if ($id && $domain && $role && $name && $ip) {
626: $hostname{$id}=$name;
627: $hostdom{$id}=$domain;
628: $hostrole{$id}=$role;
629: }
630: }
631: undef $config;
632:
633: # ------------------------------------------------------ Read spare server file
634: $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
635:
636: while (my $configline=<$config>) {
637: chomp($configline);
638: if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
639: $spareid{$configline}=1;
640: }
641: }
642: undef $config;
643:
644: # ---------------------------------------------------------------- Start report
645:
646: $errors=0;
647: $warnings=0;
648: $notices=0;
649:
650:
1.49 albertel 651: my $fh;
652: if (!$justcheckdaemons && !$justcheckconnections) {
653: $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
654:
655: &log_machine_info($fh);
656: &clean_tmp($fh);
657: &clean_lonIDs($fh);
658: &check_httpd_logs($fh);
659: &rotate_lonnet_logs($fh);
660: }
661: if (!$justcheckconnections) {
662: &checkon_daemon($fh,'lonsql',200000);
663: &checkon_daemon($fh,'lond',40000,1);
1.50 ! albertel 664: my $args='new';
! 665: if ($oldlonc) { $args = ''; }
! 666: &checkon_daemon($fh,'lonc',40000,1,$args);
1.49 albertel 667: &checkon_daemon($fh,'lonhttpd',40000);
668: }
669: if (!$justcheckdaemons) {
670: &test_connections($fh,\%hostname);
671: }
672: if (!$justcheckdaemons && !$justcheckconnections) {
673: &check_delayed_msg($fh);
674: &finish_logging($fh);
675: &log_simplestatus();
676:
677: if ($totalcount>200 && !$noemail) { &send_mail(); }
678: }
1.46 albertel 679: }
680:
681: &main();
1.1 albertel 682: 1;
683:
684:
685:
686:
687:
688:
689:
690:
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