Annotation of loncom/loncron, revision 1.110
1.1 albertel 1: #!/usr/bin/perl
2:
1.47 albertel 3: # Housekeeping program, started by cron, loncontrol and loncron.pl
4: #
1.110 ! raeburn 5: # $Id: loncron,v 1.109 2018/10/25 02:48:56 raeburn 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;
1.96 raeburn 35: use LONCAPA::Checksumming;
1.89 raeburn 36: use LONCAPA;
1.72 albertel 37: use Apache::lonnet;
1.79 raeburn 38: use Apache::loncommon;
1.26 harris41 39:
1.1 albertel 40: use IO::File;
41: use IO::Socket;
1.48 albertel 42: use HTML::Entities;
1.49 albertel 43: use Getopt::Long;
1.104 raeburn 44: use GDBM_File;
45: use Storable qw(thaw);
1.46 albertel 46: #globals
47: use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
48:
49: my $statusdir="/home/httpd/html/lon-status";
50:
1.1 albertel 51:
52: # --------------------------------------------------------- Output error status
53:
1.46 albertel 54: sub log {
55: my $fh=shift;
56: if ($fh) { print $fh @_ }
57: }
58:
1.1 albertel 59: sub errout {
60: my $fh=shift;
1.46 albertel 61: &log($fh,(<<ENDERROUT));
1.48 albertel 62: <table border="2" bgcolor="#CCCCCC">
1.1 albertel 63: <tr><td>Notices</td><td>$notices</td></tr>
64: <tr><td>Warnings</td><td>$warnings</td></tr>
65: <tr><td>Errors</td><td>$errors</td></tr>
1.48 albertel 66: </table><p><a href="#top">Top</a></p>
1.1 albertel 67: ENDERROUT
68: }
69:
1.73 albertel 70: sub rotate_logfile {
71: my ($file,$fh,$description) = @_;
72: my $size=(stat($file))[7];
73: if ($size>40000) {
74: &log($fh,"<p>Rotating $description ...</p>");
75: rename("$file.2","$file.3");
76: rename("$file.1","$file.2");
77: rename("$file","$file.1");
78: }
79: }
80:
1.42 albertel 81: sub start_daemon {
1.50 albertel 82: my ($fh,$daemon,$pidfile,$args) = @_;
1.44 albertel 83: my $progname=$daemon;
1.71 albertel 84: if ($daemon eq 'lonc') {
1.44 albertel 85: $progname='loncnew';
86: }
1.51 albertel 87: my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
1.73 albertel 88: &rotate_logfile($error_fname,$fh,'error logs');
1.74 albertel 89: if ($daemon eq 'lonc') {
90: &clean_sockets($fh);
91: }
1.51 albertel 92: system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
1.60 albertel 93: sleep 1;
1.42 albertel 94: if (-e $pidfile) {
1.48 albertel 95: &log($fh,"<p>Seems like it started ...</p>");
1.42 albertel 96: my $lfh=IO::File->new("$pidfile");
97: my $daemonpid=<$lfh>;
98: chomp($daemonpid);
1.62 albertel 99: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
1.42 albertel 100: return 1;
101: } else {
102: return 0;
103: }
104: }
1.48 albertel 105: &log($fh,"<p>Seems like that did not work!</p>");
1.42 albertel 106: $errors++;
107: return 0;
108: }
109:
110: sub checkon_daemon {
1.59 albertel 111: my ($fh,$daemon,$maxsize,$send,$args)=@_;
1.42 albertel 112:
1.63 albertel 113: my $result;
1.48 albertel 114: &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
1.57 albertel 115: printf("%-15s ",$daemon);
1.110 ! raeburn 116: if ($fh) {
! 117: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
! 118: if (open(DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|")) {
! 119: while (my $line=<DFH>) {
! 120: &log($fh,"$line");
! 121: if ($line=~/INFO/) { $notices++; }
! 122: if ($line=~/WARNING/) { $notices++; }
! 123: if ($line=~/CRITICAL/) { $warnings++; }
! 124: }
! 125: close (DFH);
! 126: }
! 127: }
! 128: &log($fh,"</tt></p>");
1.42 albertel 129: }
130:
131: my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
132:
133: my $restartflag=1;
1.46 albertel 134: my $daemonpid;
1.42 albertel 135: if (-e $pidfile) {
136: my $lfh=IO::File->new("$pidfile");
1.46 albertel 137: $daemonpid=<$lfh>;
1.42 albertel 138: chomp($daemonpid);
1.62 albertel 139: if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
1.46 albertel 140: &log($fh,"<h3>$daemon at pid $daemonpid responding");
1.59 albertel 141: if ($send) { &log($fh,", sending $send"); }
1.46 albertel 142: &log($fh,"</h3>");
1.59 albertel 143: if ($send eq 'USR1') { kill USR1 => $daemonpid; }
144: if ($send eq 'USR2') { kill USR2 => $daemonpid; }
1.42 albertel 145: $restartflag=0;
1.59 albertel 146: if ($send eq 'USR2') {
1.63 albertel 147: $result = 'reloaded';
1.59 albertel 148: print "reloaded\n";
149: } else {
1.63 albertel 150: $result = 'running';
1.59 albertel 151: print "running\n";
152: }
1.42 albertel 153: } else {
154: $errors++;
1.46 albertel 155: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.42 albertel 156: $restartflag=1;
1.46 albertel 157: &log($fh,"<h3>Decided to clean up stale .pid file and restart $daemon</h3>");
1.42 albertel 158: }
159: }
160: if ($restartflag==1) {
161: $simplestatus{$daemon}='off';
162: $errors++;
1.57 albertel 163: my $kadaemon=$daemon;
164: if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
1.101 raeburn 165: &log($fh,'<br /><font color="red">Killall '.$daemon.': '.
1.57 albertel 166: `killall $kadaemon 2>&1`.' - ');
1.60 albertel 167: sleep 1;
1.46 albertel 168: &log($fh,unlink($pidfile).' - '.
1.57 albertel 169: `killall -9 $kadaemon 2>&1`.
1.101 raeburn 170: '</font><br />');
1.107 raeburn 171: if ($kadaemon eq 'loncnew') {
172: &clean_lonc_childpids();
173: }
1.46 albertel 174: &log($fh,"<h3>$daemon not running, trying to start</h3>");
1.110 ! raeburn 175:
1.50 albertel 176: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 177: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 178: $simplestatus{$daemon}='restarted';
1.63 albertel 179: $result = 'started';
1.42 albertel 180: print "started\n";
181: } else {
182: $errors++;
1.46 albertel 183: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 184: &log($fh,"<p>Give it one more try ...</p>");
1.42 albertel 185: print " ";
1.50 albertel 186: if (&start_daemon($fh,$daemon,$pidfile,$args)) {
1.46 albertel 187: &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
1.42 albertel 188: $simplestatus{$daemon}='restarted';
1.63 albertel 189: $result = 'started';
1.42 albertel 190: print "started\n";
191: } else {
1.63 albertel 192: $result = 'failed';
1.42 albertel 193: print " failed\n";
194: $simplestatus{$daemon}='failed';
195: $errors++; $errors++;
1.46 albertel 196: &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
1.48 albertel 197: &log($fh,"<p>Unable to start $daemon</p>");
1.42 albertel 198: }
199: }
1.110 ! raeburn 200: if ($fh) {
! 201: if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
! 202: &log($fh,"<p><pre>");
! 203: if (open(DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|")) {
! 204: while (my $line=<DFH>) {
! 205: &log($fh,"$line");
! 206: if ($line=~/WARNING/) { $notices++; }
! 207: if ($line=~/CRITICAL/) { $notices++; }
! 208: }
! 209: close (DFH);
! 210: }
! 211: &log($fh,"</pre></p>");
! 212: }
1.42 albertel 213: }
214: }
215:
1.46 albertel 216: my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
1.73 albertel 217: &rotate_logfile($fname,$fh,'logs');
1.42 albertel 218:
219: &errout($fh);
1.63 albertel 220: return $result;
1.42 albertel 221: }
1.1 albertel 222:
1.46 albertel 223: # --------------------------------------------------------------------- Machine
224: sub log_machine_info {
225: my ($fh)=@_;
1.48 albertel 226: &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
1.46 albertel 227: &log($fh,"<h3>loadavg</h3>");
228:
229: open (LOADAVGH,"/proc/loadavg");
230: my $loadavg=<LOADAVGH>;
231: close (LOADAVGH);
232:
233: &log($fh,"<tt>$loadavg</tt>");
234:
235: my @parts=split(/\s+/,$loadavg);
236: if ($parts[1]>4.0) {
237: $errors++;
238: } elsif ($parts[1]>2.0) {
239: $warnings++;
240: } elsif ($parts[1]>1.0) {
241: $notices++;
242: }
1.13 harris41 243:
1.46 albertel 244: &log($fh,"<h3>df</h3>");
245: &log($fh,"<pre>");
1.14 harris41 246:
1.46 albertel 247: open (DFH,"df|");
248: while (my $line=<DFH>) {
1.48 albertel 249: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 250: @parts=split(/\s+/,$line);
251: my $usage=$parts[4];
252: $usage=~s/\W//g;
253: if ($usage>90) {
254: $warnings++;
255: $notices++;
256: } elsif ($usage>80) {
257: $warnings++;
258: } elsif ($usage>60) {
259: $notices++;
1.31 albertel 260: }
1.46 albertel 261: if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; }
1.1 albertel 262: }
1.46 albertel 263: close (DFH);
264: &log($fh,"</pre>");
1.1 albertel 265:
266:
1.46 albertel 267: &log($fh,"<h3>ps</h3>");
268: &log($fh,"<pre>");
269: my $psproc=0;
1.1 albertel 270:
1.53 albertel 271: open (PSH,"ps aux --cols 140 |");
1.46 albertel 272: while (my $line=<PSH>) {
1.48 albertel 273: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 274: $psproc++;
275: }
276: close (PSH);
277: &log($fh,"</pre>");
1.1 albertel 278:
1.46 albertel 279: if ($psproc>200) { $notices++; }
280: if ($psproc>250) { $notices++; }
1.1 albertel 281:
1.61 albertel 282: &log($fh,"<h3>distprobe</h3>");
283: &log($fh,"<pre>");
1.98 raeburn 284: &log($fh,&encode_entities(&LONCAPA::distro(),'<>&"'));
1.61 albertel 285: &log($fh,"</pre>");
286:
1.46 albertel 287: &errout($fh);
288: }
1.1 albertel 289:
1.46 albertel 290: sub start_logging {
1.43 albertel 291: my $fh=IO::File->new(">$statusdir/newstatus.html");
292: my %simplestatus=();
1.46 albertel 293: my $now=time;
294: my $date=localtime($now);
1.43 albertel 295:
1.46 albertel 296:
297: &log($fh,(<<ENDHEADERS));
1.101 raeburn 298: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
299: <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
1.1 albertel 300: <head>
301: <title>LON Status Report $perlvar{'lonHostID'}</title>
1.101 raeburn 302: <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
1.1 albertel 303: </head>
1.3 www 304: <body bgcolor="#AAAAAA">
1.48 albertel 305: <a name="top" />
1.1 albertel 306: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
307: <h2>$date ($now)</h2>
308: <ol>
1.48 albertel 309: <li><a href="#configuration">Configuration</a></li>
310: <li><a href="#machine">Machine Information</a></li>
311: <li><a href="#tmp">Temporary Files</a></li>
312: <li><a href="#tokens">Session Tokens</a></li>
1.102 raeburn 313: <li><a href="#webdav">WebDAV Session Tokens</a></li>
1.48 albertel 314: <li><a href="#httpd">httpd</a></li>
315: <li><a href="#lonsql">lonsql</a></li>
316: <li><a href="#lond">lond</a></li>
317: <li><a href="#lonc">lonc</a></li>
318: <li><a href="#lonnet">lonnet</a></li>
319: <li><a href="#connections">Connections</a></li>
320: <li><a href="#delayed">Delayed Messages</a></li>
321: <li><a href="#errcount">Error Count</a></li>
1.1 albertel 322: </ol>
1.48 albertel 323: <hr />
324: <a name="configuration" />
1.1 albertel 325: <h2>Configuration</h2>
326: <h3>PerlVars</h3>
1.48 albertel 327: <table border="2">
1.1 albertel 328: ENDHEADERS
329:
1.46 albertel 330: foreach my $varname (sort(keys(%perlvar))) {
1.48 albertel 331: &log($fh,"<tr><td>$varname</td><td>".
332: &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
1.43 albertel 333: }
1.48 albertel 334: &log($fh,"</table><h3>Hosts</h3><table border='2'>");
1.72 albertel 335: my %hostname = &Apache::lonnet::all_hostnames();
336: foreach my $id (sort(keys(%hostname))) {
337: my $role = (&Apache::lonnet::is_library($id) ? 'library'
338: : 'access');
1.46 albertel 339: &log($fh,
1.72 albertel 340: "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
341: "</td><td>".$role.
342: "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
343: }
1.101 raeburn 344: &log($fh,"</table><h3>Spare Hosts</h3>");
345: if (keys(%Apache::lonnet::spareid) > 0) {
346: &log($fh,"<ul>");
347: foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
348: &log($fh,"<li>$type\n<ol>");
349: foreach my $id (@{ $Apache::lonnet::spareid{$type} }) {
350: &log($fh,"<li>$id</li>\n");
351: }
352: &log($fh,"</ol>\n</li>\n");
353: }
354: &log($fh,"</ul>\n");
355: } else {
356: &log($fh,"No spare hosts specified<br />\n");
1.43 albertel 357: }
1.46 albertel 358: return $fh;
359: }
1.11 www 360:
361: # --------------------------------------------------------------- clean out tmp
1.46 albertel 362: sub clean_tmp {
363: my ($fh)=@_;
1.48 albertel 364: &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
1.82 raeburn 365: my ($cleaned,$old,$removed) = (0,0,0);
366: my %errors = (
367: dir => [],
368: file => [],
369: failopen => [],
370: );
371: my %error_titles = (
372: dir => 'failed to remove empty directory:',
373: file => 'failed to unlike stale file',
374: failopen => 'failed to open file or directory'
375: );
376: ($cleaned,$old,$removed) = &recursive_clean_tmp('',$cleaned,$old,$removed,\%errors);
377: &log($fh,"Cleaned up: ".$cleaned." files; removed: $removed empty directories; (found: $old old checkout tokens)");
378: foreach my $key (sort(keys(%errors))) {
379: if (ref($errors{$key}) eq 'ARRAY') {
380: if (@{$errors{$key}} > 0) {
381: &log($fh,"Error during cleanup ($error_titles{$key}):<ul><li>".
382: join('</li><li><tt>',@{$errors{$key}}).'</tt></li></ul><br />');
383: }
384: }
385: }
386: }
387:
388: sub recursive_clean_tmp {
389: my ($subdir,$cleaned,$old,$removed,$errors) = @_;
390: my $base = "$perlvar{'lonDaemons'}/tmp";
391: my $path = $base;
392: next if ($subdir =~ m{\.\./});
393: next unless (ref($errors) eq 'HASH');
394: unless ($subdir eq '') {
395: $path .= '/'.$subdir;
396: }
397: if (opendir(my $dh,"$path")) {
398: while (my $file = readdir($dh)) {
399: next if ($file =~ /^\.\.?$/);
400: my $fname = "$path/$file";
401: if (-d $fname) {
402: my $innerdir;
403: if ($subdir eq '') {
404: $innerdir = $file;
405: } else {
406: $innerdir = $subdir.'/'.$file;
407: }
408: ($cleaned,$old,$removed) =
409: &recursive_clean_tmp($innerdir,$cleaned,$old,$removed,$errors);
410: my @doms = &Apache::lonnet::current_machine_domains();
411:
412: if (open(my $dirhandle,$fname)) {
413: unless (($innerdir eq 'helprequests') ||
414: (($innerdir =~ /^addcourse/) && ($innerdir !~ m{/\d+$}))) {
415: my @contents = grep {!/^\.\.?$/} readdir($dirhandle);
416: join('&&',@contents)."\n";
417: if (scalar(grep {!/^\.\.?$/} readdir($dirhandle)) == 0) {
418: closedir($dirhandle);
419: if ($fname =~ m{^\Q$perlvar{'lonDaemons'}\E/tmp/}) {
420: if (rmdir($fname)) {
421: $removed ++;
422: } elsif (ref($errors->{dir}) eq 'ARRAY') {
423: push(@{$errors->{dir}},$fname);
424: }
425: }
426: }
427: } else {
428: closedir($dirhandle);
429: }
430: }
431: } else {
432: my ($dev,$ino,$mode,$nlink,
433: $uid,$gid,$rdev,$size,
434: $atime,$mtime,$ctime,
435: $blksize,$blocks)=stat($fname);
436: my $now=time;
437: my $since=$now-$mtime;
438: if ($since>$perlvar{'lonExpire'}) {
439: if ($subdir eq '') {
440: my $line='';
441: if ($fname =~ /\.db$/) {
442: if (unlink($fname)) {
443: $cleaned++;
444: } elsif (ref($errors->{file}) eq 'ARRAY') {
445: push(@{$errors->{file}},$fname);
446: }
447: } elsif (open(PROBE,$fname)) {
448: my $line='';
449: $line=<PROBE>;
450: close(PROBE);
451: if ($line=~/^CHECKOUTTOKEN\&/) {
452: if ($since>365*$perlvar{'lonExpire'}) {
453: if (unlink($fname)) {
454: $cleaned++;
455: } elsif (ref($errors->{file}) eq 'ARRAY') {
456: push(@{$errors->{file}},$fname);
457: }
458: } else {
459: $old++;
460: }
461: } else {
462: if (unlink($fname)) {
463: $cleaned++;
464: } elsif (ref($errors->{file}) eq 'ARRAY') {
465: push(@{$errors->{file}},$fname);
466: }
467: }
468: } elsif (ref($errors->{failopen}) eq 'ARRAY') {
469: push(@{$errors->{failopen}},$fname);
470: }
471: } else {
472: if (unlink($fname)) {
473: $cleaned++;
474: } elsif (ref($errors->{file}) eq 'ARRAY') {
475: push(@{$errors->{file}},$fname);
476: }
477: }
478: }
479: }
480: }
481: closedir($dh);
482: } elsif (ref($errors->{failopen}) eq 'ARRAY') {
483: push(@{$errors->{failopen}},$path);
1.43 albertel 484: }
1.82 raeburn 485: return ($cleaned,$old,$removed);
1.46 albertel 486: }
1.11 www 487:
488: # ------------------------------------------------------------ clean out lonIDs
1.46 albertel 489: sub clean_lonIDs {
490: my ($fh)=@_;
1.48 albertel 491: &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
1.46 albertel 492: my $cleaned=0;
493: my $active=0;
494: while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
1.43 albertel 495: my ($dev,$ino,$mode,$nlink,
496: $uid,$gid,$rdev,$size,
497: $atime,$mtime,$ctime,
498: $blksize,$blocks)=stat($fname);
1.46 albertel 499: my $now=time;
500: my $since=$now-$mtime;
1.43 albertel 501: if ($since>$perlvar{'lonExpire'}) {
502: $cleaned++;
1.101 raeburn 503: &log($fh,"Unlinking $fname<br />");
1.43 albertel 504: unlink("$fname");
505: } else {
506: $active++;
507: }
1.46 albertel 508: }
1.48 albertel 509: &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
1.46 albertel 510: &log($fh,"<h3>$active open session(s)</h3>");
511: }
1.43 albertel 512:
1.102 raeburn 513: # ------------------------------------------------ clean out webDAV Session IDs
514: sub clean_webDAV_sessionIDs {
515: my ($fh)=@_;
516: if ($perlvar{'lonRole'} eq 'library') {
517: &log($fh,'<hr /><a name="webdav" /><h2>WebDAV Session Tokens</h2>');
518: my $cleaned=0;
519: my $active=0;
520: my $now = time;
521: if (-d $perlvar{'lonDAVsessDir'}) {
522: while (my $fname=<$perlvar{'lonDAVsessDir'}/*>) {
523: my @stats = stat($fname);
524: my $since=$now-$stats[9];
525: if ($since>$perlvar{'lonExpire'}) {
526: $cleaned++;
527: &log($fh,"Unlinking $fname<br />");
528: unlink("$fname");
529: } else {
530: $active++;
531: }
532: }
533: &log($fh,"<p>Cleaned up ".$cleaned." stale webDAV session token(s).</p>");
534: &log($fh,"<h3>$active open webDAV session(s)</h3>");
535: }
536: }
537: }
538:
1.74 albertel 539: # ----------------------------------------------------------- clean out sockets
540: sub clean_sockets {
541: my ($fh)=@_;
542: my $cleaned=0;
543: opendir(SOCKETS,$perlvar{'lonSockDir'});
544: while (my $fname=readdir(SOCKETS)) {
545: next if (-d $fname
1.80 www 546: || $fname=~/(mysqlsock|maximasock|rsock|\Q$perlvar{'lonSockDir'}\E)/);
1.74 albertel 547: $cleaned++;
548: &log($fh,"Unlinking $fname<br />");
549: unlink("/home/httpd/sockets/$fname");
550: }
551: &log($fh,"<p>Cleaned up ".$cleaned." stale sockets.</p>");
552: }
553:
1.11 www 554:
1.1 albertel 555: # ----------------------------------------------------------------------- httpd
1.46 albertel 556: sub check_httpd_logs {
557: my ($fh)=@_;
1.94 raeburn 558: if (open(PIPE,"./lchttpdlogs|")) {
1.93 raeburn 559: while (my $line=<PIPE>) {
560: &log($fh,$line);
561: if ($line=~/\[error\]/) { $notices++; }
562: }
563: close(PIPE);
1.46 albertel 564: }
1.43 albertel 565: &errout($fh);
1.46 albertel 566: }
1.1 albertel 567:
568: # ---------------------------------------------------------------------- lonnet
569:
1.48 albertel 570: sub rotate_lonnet_logs {
1.46 albertel 571: my ($fh)=@_;
1.48 albertel 572: &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
1.100 bisitz 573: print "Checking logs.\n";
1.43 albertel 574: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
575: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
1.46 albertel 576: while (my $line=<DFH>) {
1.48 albertel 577: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 578: }
1.43 albertel 579: close (DFH);
580: }
1.46 albertel 581: &log($fh,"</pre><h3>Perm Log</h3><pre>");
1.43 albertel 582:
583: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
584: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
1.46 albertel 585: while (my $line=<DFH>) {
1.48 albertel 586: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 587: }
1.43 albertel 588: close (DFH);
1.46 albertel 589: } else { &log($fh,"No perm log\n") }
1.43 albertel 590:
1.46 albertel 591: my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
1.73 albertel 592: &rotate_logfile($fname,$fh,'lonnet log');
1.1 albertel 593:
1.46 albertel 594: &log($fh,"</pre>");
1.43 albertel 595: &errout($fh);
1.46 albertel 596: }
597:
1.73 albertel 598: sub rotate_other_logs {
599: my ($fh) = @_;
1.83 raeburn 600: my %logs = (
601: autoenroll => 'Auto Enroll log',
602: autocreate => 'Create Course log',
603: searchcat => 'Search Cataloguing log',
604: autoupdate => 'Auto Update log',
605: refreshcourseids_db => 'Refresh CourseIDs db log',
606: );
607: foreach my $item (keys(%logs)) {
608: my $fname=$perlvar{'lonDaemons'}.'/logs/'.$item.'.log';
609: &rotate_logfile($fname,$fh,$logs{$item});
610: }
1.73 albertel 611: }
612:
1.43 albertel 613: # ----------------------------------------------------------------- Connections
1.46 albertel 614: sub test_connections {
1.72 albertel 615: my ($fh)=@_;
1.48 albertel 616: &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
1.100 bisitz 617: print "Testing connections.\n";
1.48 albertel 618: &log($fh,"<table border='2'>");
1.49 albertel 619: my ($good,$bad)=(0,0);
1.72 albertel 620: my %hostname = &Apache::lonnet::all_hostnames();
621: foreach my $tryserver (sort(keys(%hostname))) {
1.43 albertel 622: print(".");
1.46 albertel 623: my $result;
1.72 albertel 624: my $answer=&Apache::lonnet::reply("ping",$tryserver);
1.43 albertel 625: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
626: $result="<b>ok</b>";
1.49 albertel 627: $good++;
1.43 albertel 628: } else {
629: $result=$answer;
630: $warnings++;
1.49 albertel 631: if ($answer eq 'con_lost') {
632: $bad++;
633: $warnings++;
1.50 albertel 634: } else {
635: $good++; #self connection
1.49 albertel 636: }
1.43 albertel 637: }
638: if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
1.46 albertel 639: &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
1.1 albertel 640: }
1.46 albertel 641: &log($fh,"</table>");
1.49 albertel 642: print "\n$good good, $bad bad connections\n";
1.43 albertel 643: &errout($fh);
1.46 albertel 644: }
645:
646:
1.1 albertel 647: # ------------------------------------------------------------ Delayed messages
1.46 albertel 648: sub check_delayed_msg {
1.72 albertel 649: my ($fh)=@_;
1.48 albertel 650: &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
1.100 bisitz 651: print "Checking buffers.\n";
1.46 albertel 652:
653: &log($fh,'<h3>Scanning Permanent Log</h3>');
1.1 albertel 654:
1.46 albertel 655: my $unsend=0;
1.1 albertel 656:
1.105 raeburn 657: my %hostname = &Apache::lonnet::all_hostnames();
658: my $numhosts = scalar(keys(%hostname));
659:
1.46 albertel 660: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
661: while (my $line=<$dfh>) {
662: my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
1.105 raeburn 663: if ($numhosts) {
664: next unless ($hostname{$dserv});
665: }
1.46 albertel 666: if ($sdf eq 'F') {
667: my $local=localtime($time);
1.101 raeburn 668: &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br />");
1.46 albertel 669: $warnings++;
1.43 albertel 670: }
1.46 albertel 671: if ($sdf eq 'S') { $unsend--; }
672: if ($sdf eq 'D') { $unsend++; }
1.1 albertel 673: }
1.46 albertel 674:
1.48 albertel 675: &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
1.95 raeburn 676: if ($unsend > 0) {
677: $warnings=$warnings+5*$unsend;
678: }
1.1 albertel 679:
1.43 albertel 680: if ($unsend) { $simplestatus{'unsend'}=$unsend; }
1.48 albertel 681: &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
1.68 www 682: # list directory with delayed messages and remember offline servers
683: my %servers=();
1.43 albertel 684: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
1.68 www 685: while (my $line=<DFH>) {
686: my ($server)=($line=~/\.(\w+)$/);
687: if ($server) { $servers{$server}=1; }
1.48 albertel 688: &log($fh,&encode_entities($line,'<>&"'));
1.46 albertel 689: }
1.48 albertel 690: &log($fh,"</pre>\n");
1.43 albertel 691: close (DFH);
1.68 www 692: # pong to all servers that have delayed messages
693: # this will trigger a reverse connection, which should flush the buffers
1.95 raeburn 694: foreach my $tryserver (sort(keys(%servers))) {
695: if ($hostname{$tryserver} || !$numhosts) {
696: my $answer;
697: eval {
698: local $SIG{ ALRM } = sub { die "TIMEOUT" };
699: alarm(20);
700: $answer = &Apache::lonnet::reply("pong",$tryserver);
701: alarm(0);
702: };
703: if ($@ && $@ =~ m/TIMEOUT/) {
704: &log($fh,"Attempted pong to $tryserver timed out<br />");
1.100 bisitz 705: print "Time out while contacting: $tryserver for pong.\n";
1.95 raeburn 706: } else {
707: &log($fh,"Pong to $tryserver: $answer<br />");
708: }
1.91 raeburn 709: } else {
1.95 raeburn 710: &log($fh,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.<br />");
1.91 raeburn 711: }
1.68 www 712: }
1.46 albertel 713: }
1.1 albertel 714:
1.46 albertel 715: sub finish_logging {
716: my ($fh)=@_;
1.48 albertel 717: &log($fh,"<a name='errcount' />\n");
1.43 albertel 718: $totalcount=$notices+4*$warnings+100*$errors;
719: &errout($fh);
1.46 albertel 720: &log($fh,"<h1>Total Error Count: $totalcount</h1>");
721: my $now=time;
722: my $date=localtime($now);
1.48 albertel 723: &log($fh,"<hr />$date ($now)</body></html>\n");
1.100 bisitz 724: print "lon-status webpage updated.\n";
1.43 albertel 725: $fh->close();
1.46 albertel 726:
727: if ($errors) { $simplestatus{'errors'}=$errors; }
728: if ($warnings) { $simplestatus{'warnings'}=$warnings; }
729: if ($notices) { $simplestatus{'notices'}=$notices; }
730: $simplestatus{'time'}=time;
1.1 albertel 731: }
732:
1.46 albertel 733: sub log_simplestatus {
1.73 albertel 734: rename("$statusdir/newstatus.html","$statusdir/index.html");
1.46 albertel 735:
1.43 albertel 736: my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
737: foreach (keys %simplestatus) {
738: print $sfh $_.'='.$simplestatus{$_}.'&';
739: }
740: print $sfh "\n";
741: $sfh->close();
1.41 www 742: }
1.46 albertel 743:
1.84 raeburn 744: sub write_loncaparevs {
1.100 bisitz 745: print "Retrieving LON-CAPA version information.\n";
1.99 raeburn 746: my %hostname = &Apache::lonnet::all_hostnames();
747: my $output;
748: foreach my $id (sort(keys(%hostname))) {
749: if ($id ne '') {
750: my $loncaparev;
751: eval {
752: local $SIG{ ALRM } = sub { die "TIMEOUT" };
753: alarm(10);
754: $loncaparev =
755: &Apache::lonnet::get_server_loncaparev('',$id,1,'loncron');
756: alarm(0);
757: };
758: if ($@ && $@ =~ m/TIMEOUT/) {
1.100 bisitz 759: print "Time out while contacting lonHost: $id for version.\n";
1.99 raeburn 760: }
761: if ($loncaparev =~ /^[\w.\-]+$/) {
762: $output .= $id.':'.$loncaparev."\n";
763: }
764: }
765: }
766: if ($output) {
767: if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) {
768: print $fh $output;
769: close($fh);
770: &Apache::lonnet::load_loncaparevs();
771: }
772: }
773: return;
774: }
775:
776: sub write_serverhomeIDs {
1.100 bisitz 777: print "Retrieving LON-CAPA lonHostID information.\n";
1.99 raeburn 778: my %name_to_host = &Apache::lonnet::all_names();
779: my $output;
780: foreach my $name (sort(keys(%name_to_host))) {
781: if ($name ne '') {
782: if (ref($name_to_host{$name}) eq 'ARRAY') {
783: my $serverhomeID;
1.90 raeburn 784: eval {
785: local $SIG{ ALRM } = sub { die "TIMEOUT" };
786: alarm(10);
1.99 raeburn 787: $serverhomeID =
788: &Apache::lonnet::get_server_homeID($name,1,'loncron');
1.90 raeburn 789: alarm(0);
790: };
791: if ($@ && $@ =~ m/TIMEOUT/) {
1.99 raeburn 792: print "Time out while contacting server: $name\n";
1.90 raeburn 793: }
1.99 raeburn 794: if ($serverhomeID ne '') {
795: $output .= $name.':'.$serverhomeID."\n";
796: } else {
797: $output .= $name.':'.$name_to_host{$name}->[0]."\n";
1.84 raeburn 798: }
799: }
800: }
801: }
1.99 raeburn 802: if ($output) {
803: if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
804: print $fh $output;
805: close($fh);
806: &Apache::lonnet::load_serverhomeIDs();
1.85 raeburn 807: }
808: }
809: return;
810: }
811:
1.96 raeburn 812: sub write_checksums {
1.98 raeburn 813: my $distro = &LONCAPA::distro();
1.96 raeburn 814: if ($distro) {
815: print "Retrieving file version and checksumming.\n";
1.97 raeburn 816: my $numchksums = 0;
1.96 raeburn 817: my ($chksumsref,$versionsref) =
1.97 raeburn 818: &LONCAPA::Checksumming::get_checksums($distro,$perlvar{'lonDaemons'},
819: $perlvar{'lonLib'},
820: $perlvar{'lonIncludes'},
821: $perlvar{'lonTabDir'});
1.96 raeburn 822: if (ref($chksumsref) eq 'HASH') {
823: $numchksums = scalar(keys(%{$chksumsref}));
824: }
825: print "File version retrieved and checksumming completed for $numchksums files.\n";
826: } else {
827: print "File version retrieval and checksumming skipped - could not determine Linux distro.\n";
828: }
1.97 raeburn 829: return;
1.96 raeburn 830: }
831:
1.107 raeburn 832: sub clean_nosslverify {
833: my ($fh) = @_;
834: my %unlinked;
835: if (-d "$perlvar{'lonSockDir'}/nosslverify") {
836: if (opendir(my $dh,"$perlvar{'lonSockDir'}/nosslverify")) {
837: while (my $fname=readdir($dh)) {
838: next if ($fname =~ /^\.+$/);
839: if (unlink("/home/httpd/sockets/nosslverify/$fname")) {
840: &log($fh,"Unlinking $fname<br />");
841: $unlinked{$fname} = 1;
842: }
843: }
844: closedir($dh);
845: }
846: }
847: &log($fh,"<p>Removed ".scalar(keys(%unlinked))." nosslverify clients</p>");
848: return %unlinked;
849: }
850: sub clean_lonc_childpids {
851: my $childpiddir = "$perlvar{'lonDocRoot'}/lon-status/loncchld";
852: if (-d $childpiddir) {
853: if (opendir(my $dh,$childpiddir)) {
854: while (my $fname=readdir($dh)) {
855: next if ($fname =~ /^\.+$/);
856: unlink("$childpiddir/$fname");
857: }
858: closedir($dh);
859: }
860: }
861: }
862:
1.104 raeburn 863: sub write_connection_config {
1.107 raeburn 864: my ($isprimary,$domconf,$url,%connectssl,%changes);
1.104 raeburn 865: my $primaryLibServer = &Apache::lonnet::domain($perlvar{'lonDefDomain'},'primary');
866: if ($primaryLibServer eq $perlvar{'lonHostID'}) {
867: $isprimary = 1;
868: } elsif ($primaryLibServer ne '') {
869: my $protocol = $Apache::lonnet::protocol{$primaryLibServer};
870: my $hostname = &Apache::lonnet::hostname($primaryLibServer);
871: unless ($protocol eq 'https') {
872: $protocol = 'http';
873: }
874: $url = $protocol.'://'.$hostname.'/cgi-bin/listdomconfig.pl';
875: }
876: my $domconf = &get_domain_config($perlvar{'lonDefDomain'},$primaryLibServer,$isprimary,
877: $url);
878: if (ref($domconf) eq 'HASH') {
879: if (ref($domconf->{'ssl'}) eq 'HASH') {
880: foreach my $connect ('connto','connfrom') {
881: if (ref($domconf->{'ssl'}->{$connect}) eq 'HASH') {
882: my ($sslreq,$sslnoreq,$currsetting);
883: my %contypes;
884: foreach my $type ('dom','intdom','other') {
885: $connectssl{$connect.'_'.$type} = $domconf->{'ssl'}->{$connect}->{$type};
886: }
887: }
888: }
889: }
890: if (keys(%connectssl)) {
1.107 raeburn 891: my %currconf;
892: if (open(my $fh,'<',"$perlvar{'lonTabDir'}/connectionrules.tab")) {
893: while (my $line = <$fh>) {
894: chomp($line);
895: my ($name,$value) = split(/=/,$line);
896: if ($value =~ /^(?:no|yes|req)$/) {
897: if ($name =~ /^conn(to|from)_(dom|intdom|other)$/) {
898: $currconf{$name} = $value;
899: }
900: }
901: }
902: close($fh);
903: }
904: if (open(my $fh,'>',"$perlvar{'lonTabDir'}/connectionrules.tab")) {
1.104 raeburn 905: my $count = 0;
906: foreach my $key (sort(keys(%connectssl))) {
907: print $fh "$key=$connectssl{$key}\n";
1.107 raeburn 908: if (exists($currconf{$key})) {
909: unless ($currconf{$key} eq $connectssl{$key}) {
910: $changes{$key} = 1;
911: }
912: } else {
913: $changes{$key} = 1;
914: }
1.104 raeburn 915: $count ++;
916: }
917: close($fh);
918: print "Completed writing SSL options for lonc/lond for $count items.\n";
919: }
920: } else {
921: print "Writing of SSL options skipped - no connection rules in domain configuration.\n";
922: }
923: } else {
924: print "Retrieval of SSL options for lonc/lond skipped - no configuration data available for domain.\n";
925: }
1.107 raeburn 926: return %changes;
1.104 raeburn 927: }
928:
929: sub get_domain_config {
930: my ($dom,$primlibserv,$isprimary,$url) = @_;
931: my %confhash;
932: if ($isprimary) {
933: my $lonusersdir = $perlvar{'lonUsersDir'};
934: my $fname = $lonusersdir.'/'.$dom.'/configuration.db';
935: if (-e $fname) {
936: my $dbref=&LONCAPA::locking_hash_tie($fname,&GDBM_READER());
937: if (ref($dbref) eq 'HASH') {
938: foreach my $key (sort(keys(%{$dbref}))) {
939: my $value = $dbref->{$key};
940: if ($value =~ s/^__FROZEN__//) {
941: $value = thaw(&LONCAPA::unescape($value));
942: } else {
943: $value = &LONCAPA::unescape($value);
944: }
945: $confhash{$key} = $value;
946: }
947: &LONCAPA::locking_hash_untie($dbref);
948: }
949: }
950: } else {
951: if (open(PIPE,"wget --no-check-certificate '$url?primary=$primlibserv&format=raw' |")) {
952: my $config = '';
953: while (<PIPE>) {
954: $config .= $_;
955: }
956: close(PIPE);
957: if ($config) {
958: my @pairs=split(/\&/,$config);
959: foreach my $item (@pairs) {
960: my ($key,$value)=split(/=/,$item,2);
961: my $what = &LONCAPA::unescape($key);
962: if ($value =~ s/^__FROZEN__//) {
963: $value = thaw(&LONCAPA::unescape($value));
964: } else {
965: $value = &LONCAPA::unescape($value);
966: }
967: $confhash{$what}=$value;
968: }
969: }
970: }
971: }
972: return \%confhash;
973: }
974:
975: sub write_hosttypes {
976: my %intdom = &Apache::lonnet::all_host_intdom();
977: my %hostdom = &Apache::lonnet::all_host_domain();
978: my $dom = $hostdom{$perlvar{'lonHostID'}};
979: my $internetdom = $intdom{$perlvar{'lonHostID'}};
1.107 raeburn 980: my %changes;
1.104 raeburn 981: if (($dom ne '') && ($internetdom ne '')) {
982: if (keys(%hostdom)) {
1.107 raeburn 983: my %currhosttypes;
984: if (open(my $fh,'<',"$perlvar{'lonTabDir'}/hosttypes.tab")) {
985: while (my $line = <$fh>) {
986: chomp($line);
987: my ($name,$value) = split(/:/,$line);
988: if (($name ne '') && ($value =~ /^(dom|intdom|other)$/)) {
989: $currhosttypes{$name} = $value;
990: }
991: }
992: close($fh);
993: }
994: if (open(my $fh,'>',"$perlvar{'lonTabDir'}/hosttypes.tab")) {
1.104 raeburn 995: my $count = 0;
996: foreach my $lonid (sort(keys(%hostdom))) {
997: my $type = 'other';
998: if ($hostdom{$lonid} eq $dom) {
999: $type = 'dom';
1000: } elsif ($intdom{$lonid} eq $internetdom) {
1001: $type = 'intdom';
1002: }
1003: print $fh "$lonid:$type\n";
1.107 raeburn 1004: if (exists($currhosttypes{$lonid})) {
1005: if ($type ne $currhosttypes{$lonid}) {
1006: $changes{$lonid} = 1;
1007: }
1008: } else {
1009: $changes{$lonid} = 1;
1010: }
1.104 raeburn 1011: $count ++;
1012: }
1013: close($fh);
1014: print "Completed writing host type data for $count hosts.\n";
1015: }
1016: } else {
1017: print "Writing of host types skipped - no hosts found.\n";
1018: }
1019: } else {
1020: print "Writing of host types skipped - could not determine this host's LON-CAPA domain or 'internet' domain.\n";
1021: }
1.107 raeburn 1022: return %changes;
1.104 raeburn 1023: }
1024:
1.106 raeburn 1025: sub update_revocation_list {
1.107 raeburn 1026: my ($result,$changed) = &Apache::lonnet::fetch_crl_pemfile();
1027: if ($result eq 'ok') {
1.106 raeburn 1028: print "Certificate Revocation List (from CA) updated.\n";
1029: } else {
1030: print "Certificate Revocation List from (CA) not updated.\n";
1031: }
1.107 raeburn 1032: return $changed;
1033: }
1034:
1035: sub reset_nosslverify_pids {
1.108 raeburn 1036: my ($fh,%sslrem) = @_;
1.107 raeburn 1037: &checkon_daemon($fh,'lond',40000,'USR2');
1038: my $loncpidfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
1039: my $loncppid;
1040: if ((-e $loncpidfile) && (open(my $pfh,'<',$loncpidfile))) {
1041: $loncppid=<$pfh>;
1042: chomp($loncppid);
1043: close($pfh);
1044: if ($loncppid =~ /^\d+$/) {
1045: my %pids_by_host;
1046: my $docdir = $perlvar{'lonDocRoot'};
1047: if (-d "$docdir/lon-status/loncchld") {
1048: if (opendir(my $dh,"$docdir/lon-status/loncchld")) {
1049: while (my $file = readdir($dh)) {
1050: next if ($file =~ /^\./);
1051: if (open(my $fh,'<',"$docdir/lon-status/loncchld/$file")) {
1052: my $record = <$fh>;
1053: chomp($record);
1054: close($fh);
1055: my ($remotehost,$authmode) = split(/:/,$record);
1056: $pids_by_host{$remotehost}{$authmode}{$file} = 1;
1057: }
1058: }
1059: closedir($dh);
1060: if (keys(%pids_by_host)) {
1061: foreach my $host (keys(%pids_by_host)) {
1062: if ($sslrem{$host}) {
1063: if (ref($pids_by_host{$host}) eq 'HASH') {
1064: if (ref($pids_by_host{$host}{'insecure'}) eq 'HASH') {
1.109 raeburn 1065: if (keys(%{$pids_by_host{$host}{'insecure'}})) {
1066: foreach my $pid (keys(%{$pids_by_host{$host}{'insecure'}})) {
1.107 raeburn 1067: if (open(PIPE,"ps -o ppid= -p $pid |")) {
1068: my $ppid = <PIPE>;
1069: chomp($ppid);
1070: close(PIPE);
1071: $ppid =~ s/(^\s+|\s+$)//g;
1072: if (($ppid == $loncppid) && (kill 0 => $pid)) {
1073: kill QUIT => $pid;
1074: }
1075: }
1076: }
1077: }
1078: }
1079: }
1080: }
1081: }
1082: }
1083: }
1084: }
1085: }
1086: }
1087: return;
1.106 raeburn 1088: }
1089:
1.46 albertel 1090: sub send_mail {
1.79 raeburn 1091: my $defdom = $perlvar{'lonDefDomain'};
1092: my $origmail = $perlvar{'lonAdmEMail'};
1.78 raeburn 1093: my $emailto = &Apache::loncommon::build_recipient_list(undef,
1094: 'lonstatusmail',$defdom,$origmail);
1.54 www 1095: if ($totalcount>2500) {
1.43 albertel 1096: $emailto.=",$perlvar{'lonSysEMail'}";
1097: }
1.101 raeburn 1098: my $from;
1099: my $hostname=`/bin/hostname`;
1100: chop($hostname);
1101: $hostname=~s/[^\w\.]//g;
1102: if ($hostname) {
1103: $from = 'www@'.$hostname;
1104: }
1105: my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
1106: my $loncronmail = "To: $emailto\n".
1107: "From: $from\n".
1108: "Subject: ".$subj."\n".
1109: "Content-type: text/html\; charset=UTF-8\n".
1110: "MIME-Version: 1.0\n\n";
1111: if (open(my $fh,"<$statusdir/index.html")) {
1112: while (<$fh>) {
1113: $loncronmail .= $_;
1114: }
1115: close($fh);
1116: } else {
1117: $loncronmail .= "Failed to read from http://$hostname/lon-status/index.html\n";
1118: }
1119: $loncronmail .= "\n\n";
1120: if (open(my $mailh, "|/usr/lib/sendmail -oi -t -odb")) {
1121: print $mailh $loncronmail;
1122: close($mailh);
1123: print "Sending mail.\n";
1124: } else {
1125: print "Sending mail failed.\n";
1.52 albertel 1126: }
1.1 albertel 1127: }
1.46 albertel 1128:
1.49 albertel 1129: sub usage {
1130: print(<<USAGE);
1.100 bisitz 1131: loncron - housekeeping program that checks up on various parts of LON-CAPA
1.49 albertel 1132:
1133: Options:
1.71 albertel 1134: --help Display
1.49 albertel 1135: --noemail Do not send the status email
1136: --justcheckconnections Only check the current status of the lonc/d
1137: connections, do not send emails do not
1138: check if the daemons are running, do not
1139: generate lon-status
1140: --justcheckdaemons Only check that all of the Lon-CAPA daemons are
1141: running, do not send emails do not
1142: check the lonc/d connections, do not
1143: generate lon-status
1.59 albertel 1144: --justreload Only tell the daemons to reload the config files,
1145: do not send emails do not
1146: check if the daemons are running, do not
1147: generate lon-status
1.49 albertel 1148:
1149: USAGE
1150: }
1151:
1.46 albertel 1152: # ================================================================ Main Program
1153: sub main () {
1.71 albertel 1154: my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
1.59 albertel 1155: $justreload);
1.49 albertel 1156: &GetOptions("help" => \$help,
1157: "justcheckdaemons" => \$justcheckdaemons,
1158: "noemail" => \$noemail,
1.59 albertel 1159: "justcheckconnections" => \$justcheckconnections,
1160: "justreload" => \$justreload
1.49 albertel 1161: );
1162: if ($help) { &usage(); return; }
1.46 albertel 1163: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
1164: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
1165: %perlvar=%{$perlvarref};
1166: undef $perlvarref;
1167: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
1168: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
1.75 albertel 1169: chdir($perlvar{'lonDaemons'});
1.46 albertel 1170: # --------------------------------------- Make sure that LON-CAPA is configured
1171: # I only test for one thing here (lonHostID). This is just a safeguard.
1172: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
1173: print("Unconfigured machine.\n");
1174: my $emailto=$perlvar{'lonSysEMail'};
1175: my $hostname=`/bin/hostname`;
1176: chop $hostname;
1177: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
1178: my $subj="LON: Unconfigured machine $hostname";
1179: system("echo 'Unconfigured machine $hostname.' |\
1180: mailto $emailto -s '$subj' > /dev/null");
1181: exit 1;
1182: }
1183:
1184: # ----------------------------- Make sure this process is running from user=www
1185: my $wwwid=getpwnam('www');
1186: if ($wwwid!=$<) {
1.100 bisitz 1187: print("User ID mismatch. This program must be run as user 'www'.\n");
1.46 albertel 1188: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
1189: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
1.100 bisitz 1190: system("echo 'User ID mismatch. loncron must be run as user www.' |\
1.46 albertel 1191: mailto $emailto -s '$subj' > /dev/null");
1192: exit 1;
1193: }
1194:
1.72 albertel 1195: # -------------------------------------------- Force reload of host information
1.103 raeburn 1196: my $nomemcache;
1197: if ($justcheckdaemons) {
1198: $nomemcache=1;
1199: my $memcachepidfile="$perlvar{'lonDaemons'}/logs/memcached.pid";
1200: my $memcachepid;
1201: if (-e $memcachepidfile) {
1202: my $memfh=IO::File->new($memcachepidfile);
1203: $memcachepid=<$memfh>;
1204: chomp($memcachepid);
1205: if ($memcachepid =~ /^\d+$/ && kill 0 => $memcachepid) {
1206: undef($nomemcache);
1207: }
1208: }
1209: }
1210: &Apache::lonnet::load_hosts_tab(1,$nomemcache);
1211: &Apache::lonnet::load_domain_tab(1,$nomemcache);
1212: &Apache::lonnet::get_iphost(1,$nomemcache);
1.46 albertel 1213:
1.81 raeburn 1214: # ----------------------------------------- Force firewall update for lond port
1215:
1216: if ((!$justcheckdaemons) && (!$justreload)) {
1217: my $now = time;
1218: my $tmpfile = $perlvar{'lonDaemons'}.'/tmp/lciptables_iphost_'.
1219: $now.$$.int(rand(10000));
1220: if (open(my $fh,">$tmpfile")) {
1221: my %iphosts = &Apache::lonnet::get_iphost();
1222: foreach my $key (keys(%iphosts)) {
1223: print $fh "$key\n";
1224: }
1225: close($fh);
1.89 raeburn 1226: if (&LONCAPA::try_to_lock('/tmp/lock_lciptables')) {
1227: my $execpath = $perlvar{'lonDaemons'}.'/lciptables';
1228: system("$execpath $tmpfile");
1229: unlink('/tmp/lock_lciptables'); # Remove the lock file.
1230: }
1.88 raeburn 1231: unlink($tmpfile);
1.81 raeburn 1232: }
1233: }
1234:
1.46 albertel 1235: # ---------------------------------------------------------------- Start report
1236:
1237: $errors=0;
1238: $warnings=0;
1239: $notices=0;
1240:
1241:
1.49 albertel 1242: my $fh;
1.59 albertel 1243: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
1.72 albertel 1244: $fh=&start_logging();
1.49 albertel 1245:
1246: &log_machine_info($fh);
1247: &clean_tmp($fh);
1248: &clean_lonIDs($fh);
1.102 raeburn 1249: &clean_webDAV_sessionIDs($fh);
1.49 albertel 1250: &check_httpd_logs($fh);
1251: &rotate_lonnet_logs($fh);
1.73 albertel 1252: &rotate_other_logs($fh);
1.49 albertel 1253: }
1.59 albertel 1254: if (!$justcheckconnections && !$justreload) {
1.76 albertel 1255: &checkon_daemon($fh,'lonmemcached',40000);
1.49 albertel 1256: &checkon_daemon($fh,'lonsql',200000);
1.63 albertel 1257: if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
1258: &checkon_daemon($fh,'lond',40000,'USR2');
1259: }
1.71 albertel 1260: &checkon_daemon($fh,'lonc',40000,'USR1');
1.70 raeburn 1261: &checkon_daemon($fh,'lonmaxima',40000);
1.80 www 1262: &checkon_daemon($fh,'lonr',40000);
1.49 albertel 1263: }
1.59 albertel 1264: if ($justreload) {
1.107 raeburn 1265: &clean_nosslverify($fh);
1.104 raeburn 1266: &write_connection_config();
1267: &write_hosttypes();
1.107 raeburn 1268: &update_revocation_list();
1.59 albertel 1269: &checkon_daemon($fh,'lond',40000,'USR2');
1.71 albertel 1270: &checkon_daemon($fh,'lonc',40000,'USR2');
1.59 albertel 1271: }
1.63 albertel 1272: if ($justcheckconnections) {
1.72 albertel 1273: &test_connections($fh);
1.49 albertel 1274: }
1.59 albertel 1275: if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
1.72 albertel 1276: &check_delayed_msg($fh);
1.49 albertel 1277: &log_simplestatus();
1.87 raeburn 1278: &write_loncaparevs();
1279: &write_serverhomeIDs();
1.97 raeburn 1280: &write_checksums();
1.107 raeburn 1281: my %sslrem = &clean_nosslverify($fh);
1282: my %conchgs = &write_connection_config();
1283: my %hosttypechgs = &write_hosttypes();
1284: my $hadcrlchg = &update_revocation_list();
1.108 raeburn 1285: if ((keys(%conchgs) > 0) || (keys(%hosttypechgs) > 0) ||
1.107 raeburn 1286: $hadcrlchg || (keys(%sslrem) > 0)) {
1287: &checkon_daemon($fh,'lond',40000,'USR2');
1.108 raeburn 1288: &reset_nosslverify_pids($fh,%sslrem);
1.107 raeburn 1289: }
1.108 raeburn 1290: &finish_logging($fh);
1.49 albertel 1291: if ($totalcount>200 && !$noemail) { &send_mail(); }
1292: }
1.46 albertel 1293: }
1294:
1295: &main();
1.1 albertel 1296: 1;
1297:
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