1: #!/usr/bin/perl
2:
3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
5: # $Id: loncron,v 1.72 2007/04/11 23:08:43 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>$errors</td></tr>
61: </table><p><a href="#top">Top</a></p>
62: ENDERROUT
63: }
64:
65: sub start_daemon {
66: my ($fh,$daemon,$pidfile,$args) = @_;
67: my $progname=$daemon;
68: if ($daemon eq 'lonc') {
69: $progname='loncnew';
70: }
71: my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
72: my $size=(stat($error_fname))[7];
73: if ($size>40000) {
74: &log($fh,"<p>Rotating error logs ...</p>");
75: rename("$error_fname.2","$error_fname.3");
76: rename("$error_fname.1","$error_fname.2");
77: rename("$error_fname","$error_fname.1");
78: }
79: system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
80: sleep 1;
81: if (-e $pidfile) {
82: &log($fh,"<p>Seems like it started ...</p>");
83: my $lfh=IO::File->new("$pidfile");
84: my $daemonpid=<$lfh>;
85: chomp($daemonpid);
86: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
87: return 1;
88: } else {
89: return 0;
90: }
91: }
92: &log($fh,"<p>Seems like that did not work!</p>");
93: $errors++;
94: return 0;
95: }
96:
97: sub checkon_daemon {
98: my ($fh,$daemon,$maxsize,$send,$args)=@_;
99:
100: my $result;
101: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
102: printf("%-15s ",$daemon);
103: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
104: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
105: while (my $line=<DFH>) {
106: &log($fh,"$line");
107: if ($line=~/INFO/) { $notices++; }
108: if ($line=~/WARNING/) { $notices++; }
109: if ($line=~/CRITICAL/) { $warnings++; }
110: };
111: close (DFH);
112: }
113: &log($fh,"</tt></p>");
114:
115: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
116:
117: my $restartflag=1;
118: my $daemonpid;
119: if (-e $pidfile) {
120: my $lfh=IO::File->new("$pidfile");
121: $daemonpid=<$lfh>;
122: chomp($daemonpid);
123: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
124: &log($fh,"<h3>$daemon at pid $daemonpid responding");
125: if ($send) { &log($fh,", sending $send"); }
126: &log($fh,"</h3>");
127: if ($send eq 'USR1') { kill USR1 => $daemonpid; }
128: if ($send eq 'USR2') { kill USR2 => $daemonpid; }
129: $restartflag=0;
130: if ($send eq 'USR2') {
131: $result = 'reloaded';
132: print "reloaded\n";
133: } else {
134: $result = 'running';
135: print "running\n";
136: }
137: } else {
138: $errors++;
139: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
140: $restartflag=1;
141: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
142: }
143: }
144: if ($restartflag==1) {
145: $simplestatus{$daemon}='off';
146: $errors++;
147: my $kadaemon=$daemon;
148: if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
149: &log($fh,'<br><font color="red">Killall '.$daemon.': '.
150: `killall $kadaemon 2>&1`.' - ');
151: sleep 1;
152: &log($fh,unlink($pidfile).' - '.
153: `killall -9 $kadaemon 2>&1`.
154: '</font><br>');
155: &log($fh,"<h3>$daemon not running, trying to start</h3>");
156:
157: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
158: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
159: $simplestatus{$daemon}='restarted';
160: $result = 'started';
161: print "started\n";
162: } else {
163: $errors++;
164: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
165: &log($fh,"<p>Give it one more try ...</p>");
166: print " ";
167: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
168: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
169: $simplestatus{$daemon}='restarted';
170: $result = 'started';
171: print "started\n";
172: } else {
173: $result = 'failed';
174: print " failed\n";
175: $simplestatus{$daemon}='failed';
176: $errors++; $errors++;
177: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
178: &log($fh,"<p>Unable to start $daemon</p>");
179: }
180: }
181:
182: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
183: &log($fh,"<p><pre>");
184: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
185: while (my $line=<DFH>) {
186: &log($fh,"$line");
187: if ($line=~/WARNING/) { $notices++; }
188: if ($line=~/CRITICAL/) { $notices++; }
189: };
190: close (DFH);
191: &log($fh,"</pre></p>");
192: }
193: }
194:
195: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
196:
197: my ($dev,$ino,$mode,$nlink,
198: $uid,$gid,$rdev,$size,
199: $atime,$mtime,$ctime,
200: $blksize,$blocks)=stat($fname);
201:
202: if ($size>$maxsize) {
203: &log($fh,"<p>Rotating logs ...</p>");
204: rename("$fname.2","$fname.3");
205: rename("$fname.1","$fname.2");
206: rename("$fname","$fname.1");
207: }
208:
209: &errout($fh);
210: return $result;
211: }
212:
213: # --------------------------------------------------------------------- Machine
214: sub log_machine_info {
215: my ($fh)=@_;
216: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
217: &log($fh,"<h3>loadavg</h3>");
218:
219: open (LOADAVGH,"/proc/loadavg");
220: my $loadavg=<LOADAVGH>;
221: close (LOADAVGH);
222:
223: &log($fh,"<tt>$loadavg</tt>");
224:
225: my @parts=split(/\s+/,$loadavg);
226: if ($parts[1]>4.0) {
227: $errors++;
228: } elsif ($parts[1]>2.0) {
229: $warnings++;
230: } elsif ($parts[1]>1.0) {
231: $notices++;
232: }
233:
234: &log($fh,"<h3>df</h3>");
235: &log($fh,"<pre>");
236:
237: open (DFH,"df|");
238: while (my $line=<DFH>) {
239: &log($fh,&encode_entities($line,'<>&"'));
240: @parts=split(/\s+/,$line);
241: my $usage=$parts[4];
242: $usage=~s/\W//g;
243: if ($usage>90) {
244: $warnings++;
245: $notices++;
246: } elsif ($usage>80) {
247: $warnings++;
248: } elsif ($usage>60) {
249: $notices++;
250: }
251: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
252: }
253: close (DFH);
254: &log($fh,"</pre>");
255:
256:
257: &log($fh,"<h3>ps</h3>");
258: &log($fh,"<pre>");
259: my $psproc=0;
260:
261: open (PSH,"ps aux --cols 140 |");
262: while (my $line=<PSH>) {
263: &log($fh,&encode_entities($line,'<>&"'));
264: $psproc++;
265: }
266: close (PSH);
267: &log($fh,"</pre>");
268:
269: if ($psproc>200) { $notices++; }
270: if ($psproc>250) { $notices++; }
271:
272: &log($fh,"<h3>distprobe</h3>");
273: &log($fh,"<pre>");
274: open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
275: while (my $line=<DSH>) {
276: &log($fh,&encode_entities($line,'<>&"'));
277: $psproc++;
278: }
279: close(DSH);
280: &log($fh,"</pre>");
281:
282: &errout($fh);
283: }
284:
285: sub start_logging {
286: my $fh=IO::File->new(">$statusdir/newstatus.html");
287: my %simplestatus=();
288: my $now=time;
289: my $date=localtime($now);
290:
291:
292: &log($fh,(<<ENDHEADERS));
293: <html>
294: <head>
295: <title>LON Status Report $perlvar{'lonHostID'}</title>
296: </head>
297: <body bgcolor="#AAAAAA">
298: <a name="top" />
299: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
300: <h2>$date ($now)</h2>
301: <ol>
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>
315: </ol>
316: <hr />
317: <a name="configuration" />
318: <h2>Configuration</h2>
319: <h3>PerlVars</h3>
320: <table border="2">
321: ENDHEADERS
322:
323: foreach my $varname (sort(keys(%perlvar))) {
324: &log($fh,"<tr><td>$varname</td><td>".
325: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
326: }
327: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
328: my %hostname = &Apache::lonnet::all_hostnames();
329: foreach my $id (sort(keys(%hostname))) {
330: my $role = (&Apache::lonnet::is_library($id) ? 'library'
331: : 'access');
332: &log($fh,
333: "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
334: "</td><td>".$role.
335: "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
336: }
337: &log($fh,"</table><h3>Spare Hosts</h3><ul>");
338: foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
339: &log($fh,"<li>$type\n<ol>");
340: foreach my $id (@{ $Apache::lonnet::spareid{$type} }) {
341: &log($fh,"<li>$id</li>\n");
342: }
343: &log($fh,"</ol>\n</li>\n");
344: }
345: &log($fh,"</ul>\n");
346: return $fh;
347: }
348:
349: # --------------------------------------------------------------- clean out tmp
350: sub clean_tmp {
351: my ($fh)=@_;
352: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
353: my $cleaned=0;
354: my $old=0;
355: while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
356: my ($dev,$ino,$mode,$nlink,
357: $uid,$gid,$rdev,$size,
358: $atime,$mtime,$ctime,
359: $blksize,$blocks)=stat($fname);
360: my $now=time;
361: my $since=$now-$mtime;
362: if ($since>$perlvar{'lonExpire'}) {
363: my $line='';
364: if (open(PROBE,$fname)) {
365: $line=<PROBE>;
366: close(PROBE);
367: }
368: unless ($line=~/^CHECKOUTTOKEN\&/) {
369: $cleaned++;
370: unlink("$fname");
371: } else {
372: if ($since>365*$perlvar{'lonExpire'}) {
373: $cleaned++;
374: unlink("$fname");
375: } else { $old++; }
376: }
377: }
378: }
379: &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
380: }
381:
382: # ------------------------------------------------------------ clean out lonIDs
383: sub clean_lonIDs {
384: my ($fh)=@_;
385: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
386: my $cleaned=0;
387: my $active=0;
388: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
389: my ($dev,$ino,$mode,$nlink,
390: $uid,$gid,$rdev,$size,
391: $atime,$mtime,$ctime,
392: $blksize,$blocks)=stat($fname);
393: my $now=time;
394: my $since=$now-$mtime;
395: if ($since>$perlvar{'lonExpire'}) {
396: $cleaned++;
397: &log($fh,"Unlinking $fname<br>");
398: unlink("$fname");
399: } else {
400: $active++;
401: }
402: }
403: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
404: &log($fh,"<h3>$active open session(s)</h3>");
405: }
406:
407:
408: # ----------------------------------------------------------------------- httpd
409: sub check_httpd_logs {
410: my ($fh)=@_;
411: &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
412:
413: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
414: while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
415: close (DFH);
416:
417: &log($fh,"</pre><h3>Error Log</h3><pre>");
418:
419: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
420: while (my $line=<DFH>) {
421: &log($fh,"$line");
422: if ($line=~/\[error\]/) { $notices++; }
423: }
424: close (DFH);
425: &log($fh,"</pre>");
426: &errout($fh);
427: }
428:
429: # ---------------------------------------------------------------------- lonnet
430:
431: sub rotate_lonnet_logs {
432: my ($fh)=@_;
433: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
434: print "checking logs\n";
435: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
436: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
437: while (my $line=<DFH>) {
438: &log($fh,&encode_entities($line,'<>&"'));
439: }
440: close (DFH);
441: }
442: &log($fh,"</pre><h3>Perm Log</h3><pre>");
443:
444: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
445: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
446: while (my $line=<DFH>) {
447: &log($fh,&encode_entities($line,'<>&"'));
448: }
449: close (DFH);
450: } else { &log($fh,"No perm log\n") }
451:
452: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
453:
454: my ($dev,$ino,$mode,$nlink,
455: $uid,$gid,$rdev,$size,
456: $atime,$mtime,$ctime,
457: $blksize,$blocks)=stat($fname);
458:
459: if ($size>40000) {
460: &log($fh,"<p>Rotating logs ...</p>");
461: rename("$fname.2","$fname.3");
462: rename("$fname.1","$fname.2");
463: rename("$fname","$fname.1");
464: }
465:
466: &log($fh,"</pre>");
467: &errout($fh);
468: }
469:
470: # ----------------------------------------------------------------- Connections
471: sub test_connections {
472: my ($fh)=@_;
473: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
474: print "testing connections\n";
475: &log($fh,"<table border='2'>");
476: my ($good,$bad)=(0,0);
477: my %hostname = &Apache::lonnet::all_hostnames();
478: foreach my $tryserver (sort(keys(%hostname))) {
479: print(".");
480: my $result;
481: my $answer=&Apache::lonnet::reply("ping",$tryserver);
482: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
483: $result="<b>ok</b>";
484: $good++;
485: } else {
486: $result=$answer;
487: $warnings++;
488: if ($answer eq 'con_lost') {
489: $bad++;
490: $warnings++;
491: } else {
492: $good++; #self connection
493: }
494: }
495: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
496: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
497: }
498: &log($fh,"</table>");
499: print "\n$good good, $bad bad connections\n";
500: &errout($fh);
501: }
502:
503:
504: # ------------------------------------------------------------ Delayed messages
505: sub check_delayed_msg {
506: my ($fh)=@_;
507: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
508: print "checking buffers\n";
509:
510: &log($fh,'<h3>Scanning Permanent Log</h3>');
511:
512: my $unsend=0;
513:
514: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
515: while (my $line=<$dfh>) {
516: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
517: if ($sdf eq 'F') {
518: my $local=localtime($time);
519: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
520: $warnings++;
521: }
522: if ($sdf eq 'S') { $unsend--; }
523: if ($sdf eq 'D') { $unsend++; }
524: }
525:
526: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
527: $warnings=$warnings+5*$unsend;
528:
529: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
530: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
531: # list directory with delayed messages and remember offline servers
532: my %servers=();
533: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
534: while (my $line=<DFH>) {
535: my ($server)=($line=~/\.(\w+)$/);
536: if ($server) { $servers{$server}=1; }
537: &log($fh,&encode_entities($line,'<>&"'));
538: }
539: &log($fh,"</pre>\n");
540: close (DFH);
541: # pong to all servers that have delayed messages
542: # this will trigger a reverse connection, which should flush the buffers
543: foreach my $tryserver (keys %servers) {
544: my $answer=&Apache::lonnet::reply("pong",$tryserver);
545: &log($fh,"Pong to $tryserver: $answer<br />");
546: }
547: }
548:
549: sub finish_logging {
550: my ($fh)=@_;
551: &log($fh,"<a name='errcount' />\n");
552: $totalcount=$notices+4*$warnings+100*$errors;
553: &errout($fh);
554: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
555: my $now=time;
556: my $date=localtime($now);
557: &log($fh,"<hr />$date ($now)</body></html>\n");
558: print "lon-status webpage updated\n";
559: $fh->close();
560:
561: if ($errors) { $simplestatus{'errors'}=$errors; }
562: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
563: if ($notices) { $simplestatus{'notices'}=$notices; }
564: $simplestatus{'time'}=time;
565: }
566:
567: sub log_simplestatus {
568: rename ("$statusdir/newstatus.html","$statusdir/index.html");
569:
570: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
571: foreach (keys %simplestatus) {
572: print $sfh $_.'='.$simplestatus{$_}.'&';
573: }
574: print $sfh "\n";
575: $sfh->close();
576: }
577:
578: sub send_mail {
579: print "sending mail\n";
580: my $emailto="$perlvar{'lonAdmEMail'}";
581: if ($totalcount>2500) {
582: $emailto.=",$perlvar{'lonSysEMail'}";
583: }
584: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
585:
586: my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
587: if ($result != 0) {
588: $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
589: }
590: }
591:
592: sub usage {
593: print(<<USAGE);
594: loncron - housekeeping program that checks up on various parts of Lon-CAPA
595:
596: Options:
597: --help Display
598: --noemail Do not send the status email
599: --justcheckconnections Only check the current status of the lonc/d
600: connections, do not send emails do not
601: check if the daemons are running, do not
602: generate lon-status
603: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
604: running, do not send emails do not
605: check the lonc/d connections, do not
606: generate lon-status
607: --justreload Only tell the daemons to reload the config files,
608: do not send emails do not
609: check if the daemons are running, do not
610: generate lon-status
611:
612: USAGE
613: }
614:
615: # ================================================================ Main Program
616: sub main () {
617: my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
618: $justreload);
619: &GetOptions("help" => \$help,
620: "justcheckdaemons" => \$justcheckdaemons,
621: "noemail" => \$noemail,
622: "justcheckconnections" => \$justcheckconnections,
623: "justreload" => \$justreload
624: );
625: if ($help) { &usage(); return; }
626: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
627: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
628: %perlvar=%{$perlvarref};
629: undef $perlvarref;
630: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
631: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
632:
633: # --------------------------------------- Make sure that LON-CAPA is configured
634: # I only test for one thing here (lonHostID). This is just a safeguard.
635: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
636: print("Unconfigured machine.\n");
637: my $emailto=$perlvar{'lonSysEMail'};
638: my $hostname=`/bin/hostname`;
639: chop $hostname;
640: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
641: my $subj="LON: Unconfigured machine $hostname";
642: system("echo 'Unconfigured machine $hostname.' |\
643: mailto $emailto -s '$subj' > /dev/null");
644: exit 1;
645: }
646:
647: # ----------------------------- Make sure this process is running from user=www
648: my $wwwid=getpwnam('www');
649: if ($wwwid!=$<) {
650: print("User ID mismatch. This program must be run as user 'www'\n");
651: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
652: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
653: system("echo 'User ID mismatch. loncron must be run as user www.' |\
654: mailto $emailto -s '$subj' > /dev/null");
655: exit 1;
656: }
657:
658: # -------------------------------------------- Force reload of host information
659: &Apache::lonnet::load_hosts_tab(1);
660: &Apache::lonnet::load_domain_tab(1);
661: &Apache::lonnet::get_iphost(1);
662:
663: # ---------------------------------------------------------------- Start report
664:
665: $errors=0;
666: $warnings=0;
667: $notices=0;
668:
669:
670: my $fh;
671: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
672: $fh=&start_logging();
673:
674: &log_machine_info($fh);
675: &clean_tmp($fh);
676: &clean_lonIDs($fh);
677: &check_httpd_logs($fh);
678: &rotate_lonnet_logs($fh);
679: }
680: if (!$justcheckconnections && !$justreload) {
681: &checkon_daemon($fh,'lonsql',200000);
682: if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
683: &checkon_daemon($fh,'lond',40000,'USR2');
684: }
685: &checkon_daemon($fh,'lonc',40000,'USR1');
686: &checkon_daemon($fh,'lonhttpd',40000);
687: &checkon_daemon($fh,'lonmemcached',40000);
688: &checkon_daemon($fh,'lonmaxima',40000);
689: }
690: if ($justreload) {
691: &checkon_daemon($fh,'lond',40000,'USR2');
692: &checkon_daemon($fh,'lonc',40000,'USR2');
693: }
694: if ($justcheckconnections) {
695: &test_connections($fh);
696: }
697: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
698: &check_delayed_msg($fh);
699: &finish_logging($fh);
700: &log_simplestatus();
701:
702: if ($totalcount>200 && !$noemail) { &send_mail(); }
703: }
704: }
705:
706: &main();
707: 1;
708:
709:
710:
711:
712:
713:
714:
715:
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