1: #!/usr/bin/perl
2:
3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
5: # $Id: loncron,v 1.73 2007/04/13 18:26:22 albertel Exp $
6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
29:
30: $|=1;
31: use strict;
32:
33: use lib '/home/httpd/lib/perl/';
34: use LONCAPA::Configuration;
35: use Apache::lonnet;
36:
37: use IO::File;
38: use IO::Socket;
39: use HTML::Entities;
40: use Getopt::Long;
41: #globals
42: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
43:
44: my $statusdir="/home/httpd/html/lon-status";
45:
46:
47: # --------------------------------------------------------- Output error status
48:
49: sub log {
50: my $fh=shift;
51: if ($fh) { print $fh @_ }
52: }
53:
54: sub errout {
55: my $fh=shift;
56: &log($fh,(<<ENDERROUT));
57: <table border="2" bgcolor="#CCCCCC">
58: <tr><td>Notices</td><td>$notices</td></tr>
59: <tr><td>Warnings</td><td>$warnings</td></tr>
60: <tr><td>Errors</td><td>$errors</td></tr>
61: </table><p><a href="#top">Top</a></p>
62: ENDERROUT
63: }
64:
65: sub rotate_logfile {
66: my ($file,$fh,$description) = @_;
67: my $size=(stat($file))[7];
68: if ($size>40000) {
69: &log($fh,"<p>Rotating $description ...</p>");
70: rename("$file.2","$file.3");
71: rename("$file.1","$file.2");
72: rename("$file","$file.1");
73: }
74: }
75:
76: sub start_daemon {
77: my ($fh,$daemon,$pidfile,$args) = @_;
78: my $progname=$daemon;
79: if ($daemon eq 'lonc') {
80: $progname='loncnew';
81: }
82: my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
83: &rotate_logfile($error_fname,$fh,'error logs');
84:
85: system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
86: sleep 1;
87: if (-e $pidfile) {
88: &log($fh,"<p>Seems like it started ...</p>");
89: my $lfh=IO::File->new("$pidfile");
90: my $daemonpid=<$lfh>;
91: chomp($daemonpid);
92: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
93: return 1;
94: } else {
95: return 0;
96: }
97: }
98: &log($fh,"<p>Seems like that did not work!</p>");
99: $errors++;
100: return 0;
101: }
102:
103: sub checkon_daemon {
104: my ($fh,$daemon,$maxsize,$send,$args)=@_;
105:
106: my $result;
107: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
108: printf("%-15s ",$daemon);
109: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
110: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
111: while (my $line=<DFH>) {
112: &log($fh,"$line");
113: if ($line=~/INFO/) { $notices++; }
114: if ($line=~/WARNING/) { $notices++; }
115: if ($line=~/CRITICAL/) { $warnings++; }
116: };
117: close (DFH);
118: }
119: &log($fh,"</tt></p>");
120:
121: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
122:
123: my $restartflag=1;
124: my $daemonpid;
125: if (-e $pidfile) {
126: my $lfh=IO::File->new("$pidfile");
127: $daemonpid=<$lfh>;
128: chomp($daemonpid);
129: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
130: &log($fh,"<h3>$daemon at pid $daemonpid responding");
131: if ($send) { &log($fh,", sending $send"); }
132: &log($fh,"</h3>");
133: if ($send eq 'USR1') { kill USR1 => $daemonpid; }
134: if ($send eq 'USR2') { kill USR2 => $daemonpid; }
135: $restartflag=0;
136: if ($send eq 'USR2') {
137: $result = 'reloaded';
138: print "reloaded\n";
139: } else {
140: $result = 'running';
141: print "running\n";
142: }
143: } else {
144: $errors++;
145: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
146: $restartflag=1;
147: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
148: }
149: }
150: if ($restartflag==1) {
151: $simplestatus{$daemon}='off';
152: $errors++;
153: my $kadaemon=$daemon;
154: if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
155: &log($fh,'<br><font color="red">Killall '.$daemon.': '.
156: `killall $kadaemon 2>&1`.' - ');
157: sleep 1;
158: &log($fh,unlink($pidfile).' - '.
159: `killall -9 $kadaemon 2>&1`.
160: '</font><br>');
161: &log($fh,"<h3>$daemon not running, trying to start</h3>");
162:
163: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
164: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
165: $simplestatus{$daemon}='restarted';
166: $result = 'started';
167: print "started\n";
168: } else {
169: $errors++;
170: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
171: &log($fh,"<p>Give it one more try ...</p>");
172: print " ";
173: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
174: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
175: $simplestatus{$daemon}='restarted';
176: $result = 'started';
177: print "started\n";
178: } else {
179: $result = 'failed';
180: print " failed\n";
181: $simplestatus{$daemon}='failed';
182: $errors++; $errors++;
183: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
184: &log($fh,"<p>Unable to start $daemon</p>");
185: }
186: }
187:
188: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
189: &log($fh,"<p><pre>");
190: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
191: while (my $line=<DFH>) {
192: &log($fh,"$line");
193: if ($line=~/WARNING/) { $notices++; }
194: if ($line=~/CRITICAL/) { $notices++; }
195: };
196: close (DFH);
197: &log($fh,"</pre></p>");
198: }
199: }
200:
201: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
202: &rotate_logfile($fname,$fh,'logs');
203:
204: &errout($fh);
205: return $result;
206: }
207:
208: # --------------------------------------------------------------------- Machine
209: sub log_machine_info {
210: my ($fh)=@_;
211: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
212: &log($fh,"<h3>loadavg</h3>");
213:
214: open (LOADAVGH,"/proc/loadavg");
215: my $loadavg=<LOADAVGH>;
216: close (LOADAVGH);
217:
218: &log($fh,"<tt>$loadavg</tt>");
219:
220: my @parts=split(/\s+/,$loadavg);
221: if ($parts[1]>4.0) {
222: $errors++;
223: } elsif ($parts[1]>2.0) {
224: $warnings++;
225: } elsif ($parts[1]>1.0) {
226: $notices++;
227: }
228:
229: &log($fh,"<h3>df</h3>");
230: &log($fh,"<pre>");
231:
232: open (DFH,"df|");
233: while (my $line=<DFH>) {
234: &log($fh,&encode_entities($line,'<>&"'));
235: @parts=split(/\s+/,$line);
236: my $usage=$parts[4];
237: $usage=~s/\W//g;
238: if ($usage>90) {
239: $warnings++;
240: $notices++;
241: } elsif ($usage>80) {
242: $warnings++;
243: } elsif ($usage>60) {
244: $notices++;
245: }
246: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
247: }
248: close (DFH);
249: &log($fh,"</pre>");
250:
251:
252: &log($fh,"<h3>ps</h3>");
253: &log($fh,"<pre>");
254: my $psproc=0;
255:
256: open (PSH,"ps aux --cols 140 |");
257: while (my $line=<PSH>) {
258: &log($fh,&encode_entities($line,'<>&"'));
259: $psproc++;
260: }
261: close (PSH);
262: &log($fh,"</pre>");
263:
264: if ($psproc>200) { $notices++; }
265: if ($psproc>250) { $notices++; }
266:
267: &log($fh,"<h3>distprobe</h3>");
268: &log($fh,"<pre>");
269: open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
270: while (my $line=<DSH>) {
271: &log($fh,&encode_entities($line,'<>&"'));
272: $psproc++;
273: }
274: close(DSH);
275: &log($fh,"</pre>");
276:
277: &errout($fh);
278: }
279:
280: sub start_logging {
281: my $fh=IO::File->new(">$statusdir/newstatus.html");
282: my %simplestatus=();
283: my $now=time;
284: my $date=localtime($now);
285:
286:
287: &log($fh,(<<ENDHEADERS));
288: <html>
289: <head>
290: <title>LON Status Report $perlvar{'lonHostID'}</title>
291: </head>
292: <body bgcolor="#AAAAAA">
293: <a name="top" />
294: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
295: <h2>$date ($now)</h2>
296: <ol>
297: <li><a href="#configuration">Configuration</a></li>
298: <li><a href="#machine">Machine Information</a></li>
299: <li><a href="#tmp">Temporary Files</a></li>
300: <li><a href="#tokens">Session Tokens</a></li>
301: <li><a href="#httpd">httpd</a></li>
302: <li><a href="#lonsql">lonsql</a></li>
303: <li><a href="#lond">lond</a></li>
304: <li><a href="#lonc">lonc</a></li>
305: <li><a href="#lonhttpd">lonhttpd</a></li>
306: <li><a href="#lonnet">lonnet</a></li>
307: <li><a href="#connections">Connections</a></li>
308: <li><a href="#delayed">Delayed Messages</a></li>
309: <li><a href="#errcount">Error Count</a></li>
310: </ol>
311: <hr />
312: <a name="configuration" />
313: <h2>Configuration</h2>
314: <h3>PerlVars</h3>
315: <table border="2">
316: ENDHEADERS
317:
318: foreach my $varname (sort(keys(%perlvar))) {
319: &log($fh,"<tr><td>$varname</td><td>".
320: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
321: }
322: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
323: my %hostname = &Apache::lonnet::all_hostnames();
324: foreach my $id (sort(keys(%hostname))) {
325: my $role = (&Apache::lonnet::is_library($id) ? 'library'
326: : 'access');
327: &log($fh,
328: "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
329: "</td><td>".$role.
330: "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
331: }
332: &log($fh,"</table><h3>Spare Hosts</h3><ul>");
333: foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
334: &log($fh,"<li>$type\n<ol>");
335: foreach my $id (@{ $Apache::lonnet::spareid{$type} }) {
336: &log($fh,"<li>$id</li>\n");
337: }
338: &log($fh,"</ol>\n</li>\n");
339: }
340: &log($fh,"</ul>\n");
341: return $fh;
342: }
343:
344: # --------------------------------------------------------------- clean out tmp
345: sub clean_tmp {
346: my ($fh)=@_;
347: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
348: my $cleaned=0;
349: my $old=0;
350: while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
351: my ($dev,$ino,$mode,$nlink,
352: $uid,$gid,$rdev,$size,
353: $atime,$mtime,$ctime,
354: $blksize,$blocks)=stat($fname);
355: my $now=time;
356: my $since=$now-$mtime;
357: if ($since>$perlvar{'lonExpire'}) {
358: my $line='';
359: if (open(PROBE,$fname)) {
360: $line=<PROBE>;
361: close(PROBE);
362: }
363: unless ($line=~/^CHECKOUTTOKEN\&/) {
364: $cleaned++;
365: unlink("$fname");
366: } else {
367: if ($since>365*$perlvar{'lonExpire'}) {
368: $cleaned++;
369: unlink("$fname");
370: } else { $old++; }
371: }
372: }
373: }
374: &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
375: }
376:
377: # ------------------------------------------------------------ clean out lonIDs
378: sub clean_lonIDs {
379: my ($fh)=@_;
380: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
381: my $cleaned=0;
382: my $active=0;
383: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
384: my ($dev,$ino,$mode,$nlink,
385: $uid,$gid,$rdev,$size,
386: $atime,$mtime,$ctime,
387: $blksize,$blocks)=stat($fname);
388: my $now=time;
389: my $since=$now-$mtime;
390: if ($since>$perlvar{'lonExpire'}) {
391: $cleaned++;
392: &log($fh,"Unlinking $fname<br>");
393: unlink("$fname");
394: } else {
395: $active++;
396: }
397: }
398: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
399: &log($fh,"<h3>$active open session(s)</h3>");
400: }
401:
402:
403: # ----------------------------------------------------------------------- httpd
404: sub check_httpd_logs {
405: my ($fh)=@_;
406: &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
407:
408: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
409: while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
410: close (DFH);
411:
412: &log($fh,"</pre><h3>Error Log</h3><pre>");
413:
414: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
415: while (my $line=<DFH>) {
416: &log($fh,"$line");
417: if ($line=~/\[error\]/) { $notices++; }
418: }
419: close (DFH);
420: &log($fh,"</pre>");
421: &errout($fh);
422: }
423:
424: # ---------------------------------------------------------------------- lonnet
425:
426: sub rotate_lonnet_logs {
427: my ($fh)=@_;
428: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
429: print "checking logs\n";
430: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
431: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
432: while (my $line=<DFH>) {
433: &log($fh,&encode_entities($line,'<>&"'));
434: }
435: close (DFH);
436: }
437: &log($fh,"</pre><h3>Perm Log</h3><pre>");
438:
439: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
440: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
441: while (my $line=<DFH>) {
442: &log($fh,&encode_entities($line,'<>&"'));
443: }
444: close (DFH);
445: } else { &log($fh,"No perm log\n") }
446:
447: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
448: &rotate_logfile($fname,$fh,'lonnet log');
449:
450: &log($fh,"</pre>");
451: &errout($fh);
452: }
453:
454: sub rotate_other_logs {
455: my ($fh) = @_;
456: my $fname="$perlvar{'lonDaemons'}/logs/autoenroll.log";
457: &rotate_logfile($fname,$fh,'Auto Enroll log');
458: $fname="$perlvar{'lonDaemons'}/logs/autocreate.log";
459: &rotate_logfile($fname,$fh,'Create Course log');
460: $fname="$perlvar{'lonDaemons'}/logs/searchcat.log";
461: &rotate_logfile($fname,$fh,'Search Cataloguing log');
462: }
463:
464: # ----------------------------------------------------------------- Connections
465: sub test_connections {
466: my ($fh)=@_;
467: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
468: print "testing connections\n";
469: &log($fh,"<table border='2'>");
470: my ($good,$bad)=(0,0);
471: my %hostname = &Apache::lonnet::all_hostnames();
472: foreach my $tryserver (sort(keys(%hostname))) {
473: print(".");
474: my $result;
475: my $answer=&Apache::lonnet::reply("ping",$tryserver);
476: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
477: $result="<b>ok</b>";
478: $good++;
479: } else {
480: $result=$answer;
481: $warnings++;
482: if ($answer eq 'con_lost') {
483: $bad++;
484: $warnings++;
485: } else {
486: $good++; #self connection
487: }
488: }
489: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
490: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
491: }
492: &log($fh,"</table>");
493: print "\n$good good, $bad bad connections\n";
494: &errout($fh);
495: }
496:
497:
498: # ------------------------------------------------------------ Delayed messages
499: sub check_delayed_msg {
500: my ($fh)=@_;
501: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
502: print "checking buffers\n";
503:
504: &log($fh,'<h3>Scanning Permanent Log</h3>');
505:
506: my $unsend=0;
507:
508: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
509: while (my $line=<$dfh>) {
510: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
511: if ($sdf eq 'F') {
512: my $local=localtime($time);
513: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
514: $warnings++;
515: }
516: if ($sdf eq 'S') { $unsend--; }
517: if ($sdf eq 'D') { $unsend++; }
518: }
519:
520: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
521: $warnings=$warnings+5*$unsend;
522:
523: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
524: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
525: # list directory with delayed messages and remember offline servers
526: my %servers=();
527: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
528: while (my $line=<DFH>) {
529: my ($server)=($line=~/\.(\w+)$/);
530: if ($server) { $servers{$server}=1; }
531: &log($fh,&encode_entities($line,'<>&"'));
532: }
533: &log($fh,"</pre>\n");
534: close (DFH);
535: # pong to all servers that have delayed messages
536: # this will trigger a reverse connection, which should flush the buffers
537: foreach my $tryserver (keys %servers) {
538: my $answer=&Apache::lonnet::reply("pong",$tryserver);
539: &log($fh,"Pong to $tryserver: $answer<br />");
540: }
541: }
542:
543: sub finish_logging {
544: my ($fh)=@_;
545: &log($fh,"<a name='errcount' />\n");
546: $totalcount=$notices+4*$warnings+100*$errors;
547: &errout($fh);
548: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
549: my $now=time;
550: my $date=localtime($now);
551: &log($fh,"<hr />$date ($now)</body></html>\n");
552: print "lon-status webpage updated\n";
553: $fh->close();
554:
555: if ($errors) { $simplestatus{'errors'}=$errors; }
556: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
557: if ($notices) { $simplestatus{'notices'}=$notices; }
558: $simplestatus{'time'}=time;
559: }
560:
561: sub log_simplestatus {
562: rename("$statusdir/newstatus.html","$statusdir/index.html");
563:
564: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
565: foreach (keys %simplestatus) {
566: print $sfh $_.'='.$simplestatus{$_}.'&';
567: }
568: print $sfh "\n";
569: $sfh->close();
570: }
571:
572: sub send_mail {
573: print "sending mail\n";
574: my $emailto="$perlvar{'lonAdmEMail'}";
575: if ($totalcount>2500) {
576: $emailto.=",$perlvar{'lonSysEMail'}";
577: }
578: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
579:
580: my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
581: if ($result != 0) {
582: $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
583: }
584: }
585:
586: sub usage {
587: print(<<USAGE);
588: loncron - housekeeping program that checks up on various parts of Lon-CAPA
589:
590: Options:
591: --help Display
592: --noemail Do not send the status email
593: --justcheckconnections Only check the current status of the lonc/d
594: connections, do not send emails do not
595: check if the daemons are running, do not
596: generate lon-status
597: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
598: running, do not send emails do not
599: check the lonc/d connections, do not
600: generate lon-status
601: --justreload Only tell the daemons to reload the config files,
602: do not send emails do not
603: check if the daemons are running, do not
604: generate lon-status
605:
606: USAGE
607: }
608:
609: # ================================================================ Main Program
610: sub main () {
611: my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
612: $justreload);
613: &GetOptions("help" => \$help,
614: "justcheckdaemons" => \$justcheckdaemons,
615: "noemail" => \$noemail,
616: "justcheckconnections" => \$justcheckconnections,
617: "justreload" => \$justreload
618: );
619: if ($help) { &usage(); return; }
620: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
621: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
622: %perlvar=%{$perlvarref};
623: undef $perlvarref;
624: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
625: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
626:
627: # --------------------------------------- Make sure that LON-CAPA is configured
628: # I only test for one thing here (lonHostID). This is just a safeguard.
629: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
630: print("Unconfigured machine.\n");
631: my $emailto=$perlvar{'lonSysEMail'};
632: my $hostname=`/bin/hostname`;
633: chop $hostname;
634: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
635: my $subj="LON: Unconfigured machine $hostname";
636: system("echo 'Unconfigured machine $hostname.' |\
637: mailto $emailto -s '$subj' > /dev/null");
638: exit 1;
639: }
640:
641: # ----------------------------- Make sure this process is running from user=www
642: my $wwwid=getpwnam('www');
643: if ($wwwid!=$<) {
644: print("User ID mismatch. This program must be run as user 'www'\n");
645: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
646: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
647: system("echo 'User ID mismatch. loncron must be run as user www.' |\
648: mailto $emailto -s '$subj' > /dev/null");
649: exit 1;
650: }
651:
652: # -------------------------------------------- Force reload of host information
653: &Apache::lonnet::load_hosts_tab(1);
654: &Apache::lonnet::load_domain_tab(1);
655: &Apache::lonnet::get_iphost(1);
656:
657: # ---------------------------------------------------------------- Start report
658:
659: $errors=0;
660: $warnings=0;
661: $notices=0;
662:
663:
664: my $fh;
665: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
666: $fh=&start_logging();
667:
668: &log_machine_info($fh);
669: &clean_tmp($fh);
670: &clean_lonIDs($fh);
671: &check_httpd_logs($fh);
672: &rotate_lonnet_logs($fh);
673: &rotate_other_logs($fh);
674: }
675: if (!$justcheckconnections && !$justreload) {
676: &checkon_daemon($fh,'lonsql',200000);
677: if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
678: &checkon_daemon($fh,'lond',40000,'USR2');
679: }
680: &checkon_daemon($fh,'lonc',40000,'USR1');
681: &checkon_daemon($fh,'lonhttpd',40000);
682: &checkon_daemon($fh,'lonmemcached',40000);
683: &checkon_daemon($fh,'lonmaxima',40000);
684: }
685: if ($justreload) {
686: &checkon_daemon($fh,'lond',40000,'USR2');
687: &checkon_daemon($fh,'lonc',40000,'USR2');
688: }
689: if ($justcheckconnections) {
690: &test_connections($fh);
691: }
692: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
693: &check_delayed_msg($fh);
694: &finish_logging($fh);
695: &log_simplestatus();
696:
697: if ($totalcount>200 && !$noemail) { &send_mail(); }
698: }
699: }
700:
701: &main();
702: 1;
703:
704:
705:
706:
707:
708:
709:
710:
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