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[LON-CAPA] /
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loncron
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Wed Jun 9 13:30:41 2004 UTC (19 years, 10 months ago) by
albertel
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CVS tags:
version_1_3_0,
version_1_2_99_1,
version_1_2_99_0,
version_1_2_1,
version_1_2_0,
version_1_1_99_5,
version_1_1_99_4,
version_1_1_99_3,
version_1_1_99_2,
version_1_1_99_1,
HEAD
- no hyphen should be passed to ps
1: #!/usr/bin/perl
2:
3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
5: # $Id: loncron,v 1.53 2004/06/09 13:30:41 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:
36: use IO::File;
37: use IO::Socket;
38: use HTML::Entities;
39: use Getopt::Long;
40: #globals
41: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
42:
43: my $statusdir="/home/httpd/html/lon-status";
44:
45:
46: # -------------------------------------------------- Non-critical communication
47: sub reply {
48: my ($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:
63: sub log {
64: my $fh=shift;
65: if ($fh) { print $fh @_ }
66: }
67:
68: sub errout {
69: my $fh=shift;
70: &log($fh,(<<ENDERROUT));
71: <table border="2" bgcolor="#CCCCCC">
72: <tr><td>Notices</td><td>$notices</td></tr>
73: <tr><td>Warnings</td><td>$warnings</td></tr>
74: <tr><td>Errors</td><td>$errors</td></tr>
75: </table><p><a href="#top">Top</a></p>
76: ENDERROUT
77: }
78:
79: sub start_daemon {
80: my ($fh,$daemon,$pidfile,$args) = @_;
81: my $progname=$daemon;
82: if ($daemon eq 'lonc' && $args eq 'new') {
83: $progname='loncnew';
84: print "new ";
85: }
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");
95: sleep 2;
96: if (-e $pidfile) {
97: &log($fh,"<p>Seems like it started ...</p>");
98: my $lfh=IO::File->new("$pidfile");
99: my $daemonpid=<$lfh>;
100: chomp($daemonpid);
101: sleep 2;
102: if (kill 0 => $daemonpid) {
103: return 1;
104: } else {
105: return 0;
106: }
107: }
108: &log($fh,"<p>Seems like that did not work!</p>");
109: $errors++;
110: return 0;
111: }
112:
113: sub checkon_daemon {
114: my ($fh,$daemon,$maxsize,$sendusr1,$args)=@_;
115:
116: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
117: printf("%-10s ",$daemon);
118: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
119: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
120: while (my $line=<DFH>) {
121: &log($fh,"$line");
122: if ($line=~/INFO/) { $notices++; }
123: if ($line=~/WARNING/) { $notices++; }
124: if ($line=~/CRITICAL/) { $warnings++; }
125: };
126: close (DFH);
127: }
128: &log($fh,"</tt></p>");
129:
130: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
131:
132: my $restartflag=1;
133: my $daemonpid;
134: if (-e $pidfile) {
135: my $lfh=IO::File->new("$pidfile");
136: $daemonpid=<$lfh>;
137: chomp($daemonpid);
138: if (kill 0 => $daemonpid) {
139: &log($fh,"<h3>$daemon at pid $daemonpid responding");
140: if ($sendusr1) { &log($fh,", sending USR1"); }
141: &log($fh,"</h3>");
142: if ($sendusr1) { kill USR1 => $daemonpid; }
143: $restartflag=0;
144: print "running\n";
145: } else {
146: $errors++;
147: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
148: $restartflag=1;
149: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
150: }
151: }
152: if ($restartflag==1) {
153: $simplestatus{$daemon}='off';
154: $errors++;
155: &log($fh,'<br><font color="red">Killall '.$daemon.': '.
156: `killall $daemon 2>&1`.' - ');
157: sleep 2;
158: &log($fh,unlink($pidfile).' - '.
159: `killall -9 $daemon 2>&1`.
160: '</font><br>');
161: &log($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: print "started\n";
167: } else {
168: $errors++;
169: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
170: &log($fh,"<p>Give it one more try ...</p>");
171: print " ";
172: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
173: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
174: $simplestatus{$daemon}='restarted';
175: print "started\n";
176: } else {
177: print " failed\n";
178: $simplestatus{$daemon}='failed';
179: $errors++; $errors++;
180: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
181: &log($fh,"<p>Unable to start $daemon</p>");
182: }
183: }
184:
185: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
186: &log($fh,"<p><pre>");
187: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|");
188: while (my $line=<DFH>) {
189: &log($fh,"$line");
190: if ($line=~/WARNING/) { $notices++; }
191: if ($line=~/CRITICAL/) { $notices++; }
192: };
193: close (DFH);
194: &log($fh,"</pre></p>");
195: }
196: }
197:
198: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
199:
200: my ($dev,$ino,$mode,$nlink,
201: $uid,$gid,$rdev,$size,
202: $atime,$mtime,$ctime,
203: $blksize,$blocks)=stat($fname);
204:
205: if ($size>$maxsize) {
206: &log($fh,"<p>Rotating logs ...</p>");
207: rename("$fname.2","$fname.3");
208: rename("$fname.1","$fname.2");
209: rename("$fname","$fname.1");
210: }
211:
212: &errout($fh);
213: }
214:
215: # --------------------------------------------------------------------- Machine
216: sub log_machine_info {
217: my ($fh)=@_;
218: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
219: &log($fh,"<h3>loadavg</h3>");
220:
221: open (LOADAVGH,"/proc/loadavg");
222: my $loadavg=<LOADAVGH>;
223: close (LOADAVGH);
224:
225: &log($fh,"<tt>$loadavg</tt>");
226:
227: my @parts=split(/\s+/,$loadavg);
228: if ($parts[1]>4.0) {
229: $errors++;
230: } elsif ($parts[1]>2.0) {
231: $warnings++;
232: } elsif ($parts[1]>1.0) {
233: $notices++;
234: }
235:
236: &log($fh,"<h3>df</h3>");
237: &log($fh,"<pre>");
238:
239: open (DFH,"df|");
240: while (my $line=<DFH>) {
241: &log($fh,&encode_entities($line,'<>&"'));
242: @parts=split(/\s+/,$line);
243: my $usage=$parts[4];
244: $usage=~s/\W//g;
245: if ($usage>90) {
246: $warnings++;
247: $notices++;
248: } elsif ($usage>80) {
249: $warnings++;
250: } elsif ($usage>60) {
251: $notices++;
252: }
253: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
254: }
255: close (DFH);
256: &log($fh,"</pre>");
257:
258:
259: &log($fh,"<h3>ps</h3>");
260: &log($fh,"<pre>");
261: my $psproc=0;
262:
263: open (PSH,"ps aux --cols 140 |");
264: while (my $line=<PSH>) {
265: &log($fh,&encode_entities($line,'<>&"'));
266: $psproc++;
267: }
268: close (PSH);
269: &log($fh,"</pre>");
270:
271: if ($psproc>200) { $notices++; }
272: if ($psproc>250) { $notices++; }
273:
274: &errout($fh);
275: }
276:
277: sub start_logging {
278: my ($hostdom,$hostrole,$hostname,$spareid)=@_;
279: my $fh=IO::File->new(">$statusdir/newstatus.html");
280: my %simplestatus=();
281: my $now=time;
282: my $date=localtime($now);
283:
284:
285: &log($fh,(<<ENDHEADERS));
286: <html>
287: <head>
288: <title>LON Status Report $perlvar{'lonHostID'}</title>
289: </head>
290: <body bgcolor="#AAAAAA">
291: <a name="top" />
292: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
293: <h2>$date ($now)</h2>
294: <ol>
295: <li><a href="#configuration">Configuration</a></li>
296: <li><a href="#machine">Machine Information</a></li>
297: <li><a href="#tmp">Temporary Files</a></li>
298: <li><a href="#tokens">Session Tokens</a></li>
299: <li><a href="#httpd">httpd</a></li>
300: <li><a href="#lonsql">lonsql</a></li>
301: <li><a href="#lond">lond</a></li>
302: <li><a href="#lonc">lonc</a></li>
303: <li><a href="#lonhttpd">lonhttpd</a></li>
304: <li><a href="#lonnet">lonnet</a></li>
305: <li><a href="#connections">Connections</a></li>
306: <li><a href="#delayed">Delayed Messages</a></li>
307: <li><a href="#errcount">Error Count</a></li>
308: </ol>
309: <hr />
310: <a name="configuration" />
311: <h2>Configuration</h2>
312: <h3>PerlVars</h3>
313: <table border="2">
314: ENDHEADERS
315:
316: foreach my $varname (sort(keys(%perlvar))) {
317: &log($fh,"<tr><td>$varname</td><td>".
318: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
319: }
320: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
321: foreach my $id (sort(keys(%{$hostname}))) {
322: &log($fh,
323: "<tr><td>$id</td><td>".$hostdom->{$id}.
324: "</td><td>".$hostrole->{$id}.
325: "</td><td>".$hostname->{$id}."</td></tr>\n");
326: }
327: &log($fh,"</table><h3>Spare Hosts</h3><ol>");
328: foreach my $id (sort(keys(%{$spareid}))) {
329: &log($fh,"<li>$id\n</li>");
330: }
331: &log($fh,"</ol>\n");
332: return $fh;
333: }
334:
335: # --------------------------------------------------------------- clean out tmp
336: sub clean_tmp {
337: my ($fh)=@_;
338: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
339: my $cleaned=0;
340: my $old=0;
341: while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
342: my ($dev,$ino,$mode,$nlink,
343: $uid,$gid,$rdev,$size,
344: $atime,$mtime,$ctime,
345: $blksize,$blocks)=stat($fname);
346: my $now=time;
347: my $since=$now-$mtime;
348: if ($since>$perlvar{'lonExpire'}) {
349: my $line='';
350: if (open(PROBE,$fname)) {
351: $line=<PROBE>;
352: close(PROBE);
353: }
354: unless ($line=~/^CHECKOUTTOKEN\&/) {
355: $cleaned++;
356: unlink("$fname");
357: } else {
358: if ($since>365*$perlvar{'lonExpire'}) {
359: $cleaned++;
360: unlink("$fname");
361: } else { $old++; }
362: }
363: }
364: }
365: &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
366: }
367:
368: # ------------------------------------------------------------ clean out lonIDs
369: sub clean_lonIDs {
370: my ($fh)=@_;
371: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
372: my $cleaned=0;
373: my $active=0;
374: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
375: my ($dev,$ino,$mode,$nlink,
376: $uid,$gid,$rdev,$size,
377: $atime,$mtime,$ctime,
378: $blksize,$blocks)=stat($fname);
379: my $now=time;
380: my $since=$now-$mtime;
381: if ($since>$perlvar{'lonExpire'}) {
382: $cleaned++;
383: &log($fh,"Unlinking $fname<br>");
384: unlink("$fname");
385: } else {
386: $active++;
387: }
388: }
389: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
390: &log($fh,"<h3>$active open session(s)</h3>");
391: }
392:
393:
394: # ----------------------------------------------------------------------- httpd
395: sub check_httpd_logs {
396: my ($fh)=@_;
397: &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
398:
399: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
400: while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
401: close (DFH);
402:
403: &log($fh,"</pre><h3>Error Log</h3><pre>");
404:
405: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
406: while (my $line=<DFH>) {
407: &log($fh,"$line");
408: if ($line=~/\[error\]/) { $notices++; }
409: }
410: close (DFH);
411: &log($fh,"</pre>");
412: &errout($fh);
413: }
414:
415: # ---------------------------------------------------------------------- lonnet
416:
417: sub rotate_lonnet_logs {
418: my ($fh)=@_;
419: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
420: print "checking logs\n";
421: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
422: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
423: while (my $line=<DFH>) {
424: &log($fh,&encode_entities($line,'<>&"'));
425: }
426: close (DFH);
427: }
428: &log($fh,"</pre><h3>Perm Log</h3><pre>");
429:
430: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
431: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
432: while (my $line=<DFH>) {
433: &log($fh,&encode_entities($line,'<>&"'));
434: }
435: close (DFH);
436: } else { &log($fh,"No perm log\n") }
437:
438: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
439:
440: my ($dev,$ino,$mode,$nlink,
441: $uid,$gid,$rdev,$size,
442: $atime,$mtime,$ctime,
443: $blksize,$blocks)=stat($fname);
444:
445: if ($size>40000) {
446: &log($fh,"<p>Rotating logs ...</p>");
447: rename("$fname.2","$fname.3");
448: rename("$fname.1","$fname.2");
449: rename("$fname","$fname.1");
450: }
451:
452: &log($fh,"</pre>");
453: &errout($fh);
454: }
455:
456: # ----------------------------------------------------------------- Connections
457: sub test_connections {
458: my ($fh,$hostname)=@_;
459: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
460: print "testing connections\n";
461: &log($fh,"<table border='2'>");
462: my ($good,$bad)=(0,0);
463: foreach my $tryserver (sort(keys(%{$hostname}))) {
464: print(".");
465: my $result;
466: my $answer=reply("pong",$tryserver);
467: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
468: $result="<b>ok</b>";
469: $good++;
470: } else {
471: $result=$answer;
472: $warnings++;
473: if ($answer eq 'con_lost') {
474: $bad++;
475: $warnings++;
476: } else {
477: $good++; #self connection
478: }
479: }
480: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
481: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
482: }
483: &log($fh,"</table>");
484: print "\n$good good, $bad bad connections\n";
485: &errout($fh);
486: }
487:
488:
489: # ------------------------------------------------------------ Delayed messages
490: sub check_delayed_msg {
491: my ($fh)=@_;
492: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
493: print "checking buffers\n";
494:
495: &log($fh,'<h3>Scanning Permanent Log</h3>');
496:
497: my $unsend=0;
498:
499: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
500: while (my $line=<$dfh>) {
501: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
502: if ($sdf eq 'F') {
503: my $local=localtime($time);
504: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
505: $warnings++;
506: }
507: if ($sdf eq 'S') { $unsend--; }
508: if ($sdf eq 'D') { $unsend++; }
509: }
510:
511: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
512: $warnings=$warnings+5*$unsend;
513:
514: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
515: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
516:
517: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
518: while (my $line=<DFH>) {
519: &log($fh,&encode_entities($line,'<>&"'));
520: }
521: &log($fh,"</pre>\n");
522: close (DFH);
523: }
524:
525: sub finish_logging {
526: my ($fh)=@_;
527: &log($fh,"<a name='errcount' />\n");
528: $totalcount=$notices+4*$warnings+100*$errors;
529: &errout($fh);
530: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
531: my $now=time;
532: my $date=localtime($now);
533: &log($fh,"<hr />$date ($now)</body></html>\n");
534: print "lon-status webpage updated\n";
535: $fh->close();
536:
537: if ($errors) { $simplestatus{'errors'}=$errors; }
538: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
539: if ($notices) { $simplestatus{'notices'}=$notices; }
540: $simplestatus{'time'}=time;
541: }
542:
543: sub log_simplestatus {
544: rename ("$statusdir/newstatus.html","$statusdir/index.html");
545:
546: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
547: foreach (keys %simplestatus) {
548: print $sfh $_.'='.$simplestatus{$_}.'&';
549: }
550: print $sfh "\n";
551: $sfh->close();
552: }
553:
554: sub send_mail {
555: print "sending mail\n";
556: my $emailto="$perlvar{'lonAdmEMail'}";
557: if ($totalcount>1000) {
558: $emailto.=",$perlvar{'lonSysEMail'}";
559: }
560: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
561:
562: my $result=system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
563: if ($result != 0) {
564: $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
565: }
566: }
567:
568: sub usage {
569: print(<<USAGE);
570: loncron - housekeeping program that checks up on various parts of Lon-CAPA
571:
572: Options:
573: --help Display help
574: --oldlonc When starting the lonc daemon use 'lonc' not 'loncnew'
575: --noemail Do not send the status email
576: --justcheckconnections Only check the current status of the lonc/d
577: connections, do not send emails do not
578: check if the daemons are running, do not
579: generate lon-status
580: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
581: running, do not send emails do not
582: check the lonc/d connections, do not
583: generate lon-status
584:
585: USAGE
586: }
587:
588: # ================================================================ Main Program
589: sub main () {
590: my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections);
591: &GetOptions("help" => \$help,
592: "oldlonc" => \$oldlonc,
593: "justcheckdaemons" => \$justcheckdaemons,
594: "noemail" => \$noemail,
595: "justcheckconnections" => \$justcheckconnections
596: );
597: if ($help) { &usage(); return; }
598: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
599: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
600: %perlvar=%{$perlvarref};
601: undef $perlvarref;
602: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
603: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
604:
605: # --------------------------------------- Make sure that LON-CAPA is configured
606: # I only test for one thing here (lonHostID). This is just a safeguard.
607: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
608: print("Unconfigured machine.\n");
609: my $emailto=$perlvar{'lonSysEMail'};
610: my $hostname=`/bin/hostname`;
611: chop $hostname;
612: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
613: my $subj="LON: Unconfigured machine $hostname";
614: system("echo 'Unconfigured machine $hostname.' |\
615: mailto $emailto -s '$subj' > /dev/null");
616: exit 1;
617: }
618:
619: # ----------------------------- Make sure this process is running from user=www
620: my $wwwid=getpwnam('www');
621: if ($wwwid!=$<) {
622: print("User ID mismatch. This program must be run as user 'www'\n");
623: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
624: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
625: system("echo 'User ID mismatch. loncron must be run as user www.' |\
626: mailto $emailto -s '$subj' > /dev/null");
627: exit 1;
628: }
629:
630: # ------------------------------------------------------------- Read hosts file
631: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
632:
633: my (%hostname,%hostdom,%hostrole,%spareid);
634: while (my $configline=<$config>) {
635: next if ($configline =~ /^(\#|\s*\$)/);
636: my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
637: if ($id && $domain && $role && $name && $ip) {
638: $hostname{$id}=$name;
639: $hostdom{$id}=$domain;
640: $hostrole{$id}=$role;
641: }
642: }
643: undef $config;
644:
645: # ------------------------------------------------------ Read spare server file
646: $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
647:
648: while (my $configline=<$config>) {
649: chomp($configline);
650: if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
651: $spareid{$configline}=1;
652: }
653: }
654: undef $config;
655:
656: # ---------------------------------------------------------------- Start report
657:
658: $errors=0;
659: $warnings=0;
660: $notices=0;
661:
662:
663: my $fh;
664: if (!$justcheckdaemons && !$justcheckconnections) {
665: $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
666:
667: &log_machine_info($fh);
668: &clean_tmp($fh);
669: &clean_lonIDs($fh);
670: &check_httpd_logs($fh);
671: &rotate_lonnet_logs($fh);
672: }
673: if (!$justcheckconnections) {
674: &checkon_daemon($fh,'lonsql',200000);
675: &checkon_daemon($fh,'lond',40000,1);
676: my $args='new';
677: if ($oldlonc) { $args = ''; }
678: &checkon_daemon($fh,'lonc',40000,1,$args);
679: &checkon_daemon($fh,'lonhttpd',40000);
680: }
681: if (!$justcheckdaemons) {
682: &test_connections($fh,\%hostname);
683: }
684: if (!$justcheckdaemons && !$justcheckconnections) {
685: &check_delayed_msg($fh);
686: &finish_logging($fh);
687: &log_simplestatus();
688:
689: if ($totalcount>200 && !$noemail) { &send_mail(); }
690: }
691: }
692:
693: &main();
694: 1;
695:
696:
697:
698:
699:
700:
701:
702:
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