Annotation of loncom/loncron, revision 1.38
1.1 albertel 1: #!/usr/bin/perl
2:
3: # The LearningOnline Network
4: # Housekeeping program, started by cron
5: #
6: # (TCP networking package
7: # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
8: # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)
9: #
1.3 www 10: # 7/14,7/15,7/19,7/21,7/22,11/18,
11: # 2/8 Gerd Kortemeyer
1.11 www 12: # 12/23 Gerd Kortemeyer
1.22 harris41 13: # YEAR=2001
1.25 www 14: # 09/04,09/06,11/26 Gerd Kortemeyer
1.24 www 15:
16: $|=1;
1.1 albertel 17:
1.26 harris41 18: use lib '/home/httpd/lib/perl/';
19: use LONCAPA::Configuration;
20:
1.1 albertel 21: use IO::File;
22: use IO::Socket;
23:
24: # -------------------------------------------------- Non-critical communication
25: sub reply {
26: my ($cmd,$server)=@_;
27: my $peerfile="$perlvar{'lonSockDir'}/$server";
28: my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
29: Type => SOCK_STREAM,
30: Timeout => 10)
31: or return "con_lost";
32: print $client "$cmd\n";
33: my $answer=<$client>;
34: chomp($answer);
35: if (!$answer) { $answer="con_lost"; }
36: return $answer;
37: }
38:
39: # --------------------------------------------------------- Output error status
40:
41: sub errout {
42: my $fh=shift;
43: print $fh (<<ENDERROUT);
44: <p><table border=2 bgcolor="#CCCCCC">
45: <tr><td>Notices</td><td>$notices</td></tr>
46: <tr><td>Warnings</td><td>$warnings</td></tr>
47: <tr><td>Errors</td><td>$errors</td></tr>
48: </table><p><a href="#top">Top</a><p>
49: ENDERROUT
50: }
51:
52: # ================================================================ Main Program
53:
1.27 matthew 54: # --------------------------------- Read loncapa_apache.conf and loncapa.conf
1.33 harris41 55: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
1.28 albertel 56: %perlvar=%{$perlvarref};
1.26 harris41 57: undef $perlvarref;
58: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
59: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
1.13 harris41 60:
1.14 harris41 61: # --------------------------------------- Make sure that LON-CAPA is configured
62: # I only test for one thing here (lonHostID). This is just a safeguard.
63: if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
1.15 harris41 64: print("Unconfigured machine.\n");
1.14 harris41 65: $emailto=$perlvar{'lonSysEMail'};
66: $hostname=`/bin/hostname`;
67: chop $hostname;
68: $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
69: $subj="LON: Unconfigured machine $hostname";
70: system("echo 'Unconfigured machine $hostname.' |\
71: mailto $emailto -s '$subj' > /dev/null");
72: exit 1;
73: }
74:
1.13 harris41 75: # ----------------------------- Make sure this process is running from user=www
76: my $wwwid=getpwnam('www');
77: if ($wwwid!=$<) {
1.14 harris41 78: print("User ID mismatch. This program must be run as user 'www'\n");
1.13 harris41 79: $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
80: $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
81: system("echo 'User ID mismatch. loncron must be run as user www.' |\
82: mailto $emailto -s '$subj' > /dev/null");
1.14 harris41 83: exit 1;
1.1 albertel 84: }
85:
86: # ------------------------------------------------------------- Read hosts file
87: {
88: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
89:
90: while (my $configline=<$config>) {
1.31 albertel 91: my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);
92: if ($id && $domain && $role && $name && $ip) {
93: $hostname{$id}=$name;
94: $hostdom{$id}=$domain;
95: $hostip{$id}=$ip;
96: $hostrole{$id}=$role;
97: if ($domdescr) { $domaindescription{$domain}=$domdescr; }
98: if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
99: $libserv{$id}=$name;
100: }
101: } else {
102: if ($configline) {
103: # &logthis("Skipping hosts.tab line -$configline-");
104: }
105: }
1.1 albertel 106: }
107: }
108:
109: # ------------------------------------------------------ Read spare server file
110: {
111: my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");
112:
113: while (my $configline=<$config>) {
114: chomp($configline);
115: if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
116: $spareid{$configline}=1;
117: }
118: }
119: }
120:
121: # ---------------------------------------------------------------- Start report
122:
123: $statusdir="/home/httpd/html/lon-status";
124:
125: $errors=0;
126: $warnings=0;
127: $notices=0;
128:
129: $now=time;
130: $date=localtime($now);
131:
132: {
133: my $fh=IO::File->new(">$statusdir/newstatus.html");
134:
135: print $fh (<<ENDHEADERS);
136: <html>
137: <head>
138: <title>LON Status Report $perlvar{'lonHostID'}</title>
139: </head>
1.3 www 140: <body bgcolor="#AAAAAA">
1.1 albertel 141: <a name="top">
142: <h1>LON Status Report $perlvar{'lonHostID'}</h1>
143: <h2>$date ($now)</h2>
144: <ol>
145: <li><a href="#configuration">Configuration</a>
146: <li><a href="#machine">Machine Information</a>
1.11 www 147: <li><a href="#tmp">Temporary Files</a>
148: <li><a href="#tokens">Session Tokens</a>
1.1 albertel 149: <li><a href="#httpd">httpd</a>
1.11 www 150: <li><a href="#lonsql">lonsql</a>
1.1 albertel 151: <li><a href="#lond">lond</a>
152: <li><a href="#lonc">lonc</a>
1.34 www 153: <li><a href="#lonhttpd">lonhttpd</a>
1.1 albertel 154: <li><a href="#lonnet">lonnet</a>
155: <li><a href="#connections">Connections</a>
156: <li><a href="#delayed">Delayed Messages</a>
157: <li><a href="#errcount">Error Count</a>
158: </ol>
159: <hr>
160: <a name="configuration">
161: <h2>Configuration</h2>
162: <h3>PerlVars</h3>
163: <table border=2>
164: ENDHEADERS
165:
1.31 albertel 166: foreach $varname (sort(keys(%perlvar))) {
1.1 albertel 167: print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
168: }
169: print $fh "</table><h3>Hosts</h3><table border=2>";
1.31 albertel 170: foreach $id (sort(keys(%hostname))) {
171: print $fh
172: "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
173: print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
1.1 albertel 174: }
175: print $fh "</table><h3>Spare Hosts</h3><ol>";
1.31 albertel 176: foreach $id (sort(keys(%spareid))) {
1.1 albertel 177: print $fh "<li>$id\n";
178: }
179:
180: print $fh "</ol>\n";
181:
182: # --------------------------------------------------------------------- Machine
183:
184: print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
185: print $fh "<h3>loadavg</h3>";
186:
187: open (LOADAVGH,"/proc/loadavg");
188: $loadavg=<LOADAVGH>;
189: close (LOADAVGH);
190:
191: print $fh "<tt>$loadavg</tt>";
192:
193: @parts=split(/\s+/,$loadavg);
1.4 www 194: if ($parts[1]>4.0) {
1.1 albertel 195: $errors++;
196: } elsif ($parts[1]>2.0) {
197: $warnings++;
198: } elsif ($parts[1]>1.0) {
199: $notices++;
200: }
201:
202: print $fh "<h3>df</h3>";
203: print $fh "<pre>";
204:
205: open (DFH,"df|");
206: while ($line=<DFH>) {
207: print $fh "$line";
208: @parts=split(/\s+/,$line);
209: $usage=$parts[4];
210: $usage=~s/\W//g;
211: if ($usage>90) {
1.24 www 212: $warnings++;
213: $notices++;
1.1 albertel 214: } elsif ($usage>80) {
215: $warnings++;
216: } elsif ($usage>60) {
217: $notices++;
218: }
1.4 www 219: if ($usage>95) { $warnings++; $warnings++ }
1.1 albertel 220: }
221: close (DFH);
222: print $fh "</pre>";
1.24 www 223:
224:
225: print $fh "<h3>ps</h3>";
226: print $fh "<pre>";
227: $psproc=0;
228:
229: open (PSH,"ps -aux|");
230: while ($line=<PSH>) {
231: print $fh "$line";
232: $psproc++;
233: }
234: close (PSH);
235: print $fh "</pre>";
236:
237: if ($psproc>200) { $notices++; }
238: if ($psproc>250) { $notices++; }
239:
1.1 albertel 240: &errout($fh);
1.11 www 241:
242: # --------------------------------------------------------------- clean out tmp
243: print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
244: $cleaned=0;
1.29 www 245: $old=0;
1.11 www 246: while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
247: my ($dev,$ino,$mode,$nlink,
248: $uid,$gid,$rdev,$size,
249: $atime,$mtime,$ctime,
250: $blksize,$blocks)=stat($fname);
251: $now=time;
252: $since=$now-$mtime;
253: if ($since>$perlvar{'lonExpire'}) {
1.29 www 254: $line='';
255: if (open(PROBE,$fname)) {
256: $line=<PROBE>;
257: close(PROBE);
258: }
259: unless ($line=~/^CHECKOUTTOKEN\&/) {
260: $cleaned++;
261: unlink("$fname");
262: } else {
1.32 www 263: if ($since>365*$perlvar{'lonExpire'}) {
1.29 www 264: $cleaned++;
265: unlink("$fname");
266: } else { $old++; }
267: }
1.11 www 268: }
269:
270: }
1.29 www 271: print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens).";
1.11 www 272:
273: # ------------------------------------------------------------ clean out lonIDs
274: print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
275: $cleaned=0;
276: $active=0;
277: while ($fname=<$perlvar{'lonIDsDir'}/*>) {
278: my ($dev,$ino,$mode,$nlink,
279: $uid,$gid,$rdev,$size,
280: $atime,$mtime,$ctime,
281: $blksize,$blocks)=stat($fname);
282: $now=time;
283: $since=$now-$mtime;
284: if ($since>$perlvar{'lonExpire'}) {
285: $cleaned++;
286: print $fh "Unlinking $fname<br>";
287: unlink("$fname");
288: } else {
289: $active++;
290: }
291:
292: }
293: print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
294: print $fh "<h3>$active open session(s)</h3>";
295:
1.1 albertel 296: # ----------------------------------------------------------------------- httpd
297:
298: print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
299:
1.23 www 300: open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
1.1 albertel 301: while ($line=<DFH>) { print $fh "$line" };
302: close (DFH);
303:
304: print $fh "</pre><h3>Error Log</h3><pre>";
305:
1.23 www 306: open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
1.1 albertel 307: while ($line=<DFH>) {
308: print $fh "$line";
309: if ($line=~/\[error\]/) { $notices++; }
310: };
311: close (DFH);
312: print $fh "</pre>";
313: &errout($fh);
1.5 harris41 314:
315:
1.11 www 316: # ---------------------------------------------------------------------- lonsql
1.22 harris41 317:
318: my $restartflag=1;
1.18 harris41 319: if ($perlvar{'lonRole'} eq "library") {
1.5 harris41 320:
1.11 www 321: print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
1.23 www 322: print "lonsql\n";
1.5 harris41 323: if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
324: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
325: while ($line=<DFH>) {
326: print $fh "$line";
327: if ($line=~/INFO/) { $notices++; }
328: if ($line=~/WARNING/) { $notices++; }
329: if ($line=~/CRITICAL/) { $warnings++; }
330: };
331: close (DFH);
332: }
333: print $fh "</pre>";
334:
335: my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
1.23 www 336:
337: $restartflag=1;
338:
1.5 harris41 339: if (-e $lonsqlfile) {
340: my $lfh=IO::File->new("$lonsqlfile");
341: my $lonsqlpid=<$lfh>;
342: chomp($lonsqlpid);
343: if (kill 0 => $lonsqlpid) {
344: print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
1.22 harris41 345: $restartflag=0;
1.5 harris41 346: } else {
347: $errors++; $errors++;
348: print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
1.22 harris41 349: $restartflag=1;
1.23 www 350: print $fh
351: "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
1.5 harris41 352: }
1.22 harris41 353: }
354: if ($restartflag==1) {
1.5 harris41 355: $errors++;
1.23 www 356: print $fh '<br><font color="red">Killall lonsql: '.
357: system('killall lonsql').' - ';
1.30 albertel 358: sleep 2;
1.23 www 359: print $fh unlink($lonsqlfile).' - '.
360: system('killall -9 lonsql').
361: '</font><br>';
1.5 harris41 362: print $fh "<h3>lonsql not running, trying to start</h3>";
1.16 harris41 363: system(
364: "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
1.30 albertel 365: sleep 2;
1.5 harris41 366: if (-e $lonsqlfile) {
367: print $fh "Seems like it started ...<p>";
368: my $lfh=IO::File->new("$lonsqlfile");
369: my $lonsqlpid=<$lfh>;
370: chomp($lonsqlpid);
1.30 albertel 371: sleep 2;
1.5 harris41 372: if (kill 0 => $lonsqlpid) {
373: print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
374: } else {
375: $errors++; $errors++;
376: print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
377: print $fh "Give it one more try ...<p>";
1.16 harris41 378: system(
379: "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
1.30 albertel 380: sleep 2;
1.5 harris41 381: }
382: } else {
383: print $fh "Seems like that did not work!<p>";
384: $errors++;
385: }
386: if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
387: print $fh "<p><pre>";
388: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
389: while ($line=<DFH>) {
390: print $fh "$line";
391: if ($line=~/WARNING/) { $notices++; }
392: if ($line=~/CRITICAL/) { $notices++; }
393: };
394: close (DFH);
395: print $fh "</pre>";
396: }
397: }
398:
399: $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
400:
401: my ($dev,$ino,$mode,$nlink,
402: $uid,$gid,$rdev,$size,
403: $atime,$mtime,$ctime,
404: $blksize,$blocks)=stat($fname);
405:
1.38 ! albertel 406: if ($size>200000) {
1.5 harris41 407: print $fh "Rotating logs ...<p>";
408: rename("$fname.2","$fname.3");
409: rename("$fname.1","$fname.2");
410: rename("$fname","$fname.1");
411: }
412:
413: &errout($fh);
414: }
1.1 albertel 415: # ------------------------------------------------------------------------ lond
416:
417: print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
1.23 www 418: print "lond\n";
1.1 albertel 419:
420: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
1.23 www 421: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
1.1 albertel 422: while ($line=<DFH>) {
423: print $fh "$line";
1.3 www 424: if ($line=~/INFO/) { $notices++; }
1.4 www 425: if ($line=~/WARNING/) { $notices++; }
426: if ($line=~/CRITICAL/) { $warnings++; }
1.1 albertel 427: };
428: close (DFH);
429: }
430: print $fh "</pre>";
431:
432: my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
433:
1.22 harris41 434: $restartflag=1;
1.7 harris41 435: if (-e $londfile) {
1.1 albertel 436: my $lfh=IO::File->new("$londfile");
437: my $londpid=<$lfh>;
438: chomp($londpid);
439: if (kill 0 => $londpid) {
1.25 www 440: print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
441: kill USR1 => $londpid;
1.7 harris41 442: $restartflag=0;
1.1 albertel 443: } else {
1.8 harris41 444: $errors++;
1.1 albertel 445: print $fh "<h3>lond at pid $londpid not responding</h3>";
1.23 www 446: $restartflag=1;
1.8 harris41 447: print $fh
1.23 www 448: "<h3>Decided to clean up stale .pid file and restart lond</h3>";
1.1 albertel 449: }
1.7 harris41 450: }
451: if ($restartflag==1) {
1.1 albertel 452: $errors++;
1.23 www 453: print $fh '<br><font color="red">Killall lond: '.
454: system('killall lond').' - ';
1.30 albertel 455: sleep 2;
1.23 www 456: print $fh unlink($londfile).' - '.system('killall -9 lond').
457: '</font><br>';
1.1 albertel 458: print $fh "<h3>lond not running, trying to start</h3>";
1.16 harris41 459: system(
460: "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
1.30 albertel 461: sleep 2;
1.1 albertel 462: if (-e $londfile) {
463: print $fh "Seems like it started ...<p>";
464: my $lfh=IO::File->new("$londfile");
465: my $londpid=<$lfh>;
466: chomp($londpid);
1.30 albertel 467: sleep 2;
1.1 albertel 468: if (kill 0 => $londpid) {
469: print $fh "<h3>lond at pid $londpid responding</h3>";
470: } else {
471: $errors++; $errors++;
472: print $fh "<h3>lond at pid $londpid not responding</h3>";
473: print $fh "Give it one more try ...<p>";
1.16 harris41 474: system(
475: "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
1.30 albertel 476: sleep 2;
1.1 albertel 477: }
478: } else {
479: print $fh "Seems like that did not work!<p>";
480: $errors++;
481: }
1.3 www 482: if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
483: print $fh "<p><pre>";
484: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
485: while ($line=<DFH>) {
486: print $fh "$line";
1.4 www 487: if ($line=~/WARNING/) { $notices++; }
488: if ($line=~/CRITICAL/) { $notices++; }
1.3 www 489: };
490: close (DFH);
491: print $fh "</pre>";
492: }
1.1 albertel 493: }
494:
495: $fname="$perlvar{'lonDaemons'}/logs/lond.log";
496:
497: my ($dev,$ino,$mode,$nlink,
498: $uid,$gid,$rdev,$size,
499: $atime,$mtime,$ctime,
500: $blksize,$blocks)=stat($fname);
501:
502: if ($size>40000) {
503: print $fh "Rotating logs ...<p>";
504: rename("$fname.2","$fname.3");
505: rename("$fname.1","$fname.2");
506: rename("$fname","$fname.1");
507: }
508:
509: &errout($fh);
510: # ------------------------------------------------------------------------ lonc
511:
512: print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
1.23 www 513: print "lonc\n";
1.1 albertel 514:
515: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
1.23 www 516: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
1.1 albertel 517: while ($line=<DFH>) {
518: print $fh "$line";
1.3 www 519: if ($line=~/INFO/) { $notices++; }
1.4 www 520: if ($line=~/WARNING/) { $notices++; }
521: if ($line=~/CRITICAL/) { $warnings++; }
1.1 albertel 522: };
523: close (DFH);
524: }
525: print $fh "</pre>";
526:
527: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
528:
1.7 harris41 529: $restartflag=1;
1.1 albertel 530: if (-e $loncfile) {
531: my $lfh=IO::File->new("$loncfile");
532: my $loncpid=<$lfh>;
533: chomp($loncpid);
534: if (kill 0 => $loncpid) {
535: print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
536: kill USR1 => $loncpid;
1.7 harris41 537: $restartflag=0;
1.1 albertel 538: } else {
1.8 harris41 539: $errors++;
1.1 albertel 540: print $fh "<h3>lonc at pid $loncpid not responding</h3>";
1.10 harris41 541: # Solution: kill parent and children processes, remove .pid and restart
1.8 harris41 542: $restartflag=1;
543: print $fh
1.23 www 544: "<h3>Decided to clean up stale .pid file and restart lonc</h3>";
1.1 albertel 545: }
1.7 harris41 546: }
547: if ($restartflag==1) {
1.1 albertel 548: $errors++;
1.23 www 549: print $fh '<br><font color="red">Killall lonc: '.
550: system('killall lonc').' - ';
1.30 albertel 551: sleep 2;
1.23 www 552: print $fh unlink($loncfile).' - '.system('killall -9 lonc').
553: '</font><br>';
1.1 albertel 554: print $fh "<h3>lonc not running, trying to start</h3>";
1.16 harris41 555: system(
1.17 harris41 556: "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
1.30 albertel 557: sleep 2;
1.1 albertel 558: if (-e $loncfile) {
559: print $fh "Seems like it started ...<p>";
560: my $lfh=IO::File->new("$loncfile");
561: my $loncpid=<$lfh>;
562: chomp($loncpid);
1.30 albertel 563: sleep 2;
1.1 albertel 564: if (kill 0 => $loncpid) {
565: print $fh "<h3>lonc at pid $loncpid responding</h3>";
566: } else {
567: $errors++; $errors++;
568: print $fh "<h3>lonc at pid $loncpid not responding</h3>";
569: print $fh "Give it one more try ...<p>";
1.16 harris41 570: system(
1.17 harris41 571: "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
1.30 albertel 572: sleep 2;
1.1 albertel 573: }
574: } else {
575: print $fh "Seems like that did not work!<p>";
576: $errors++;
577: }
1.3 www 578: if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
579: print $fh "<p><pre>";
580: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
581: while ($line=<DFH>) {
582: print $fh "$line";
1.4 www 583: if ($line=~/WARNING/) { $notices++; }
584: if ($line=~/CRITICAL/) { $notices++; }
1.3 www 585: };
586: close (DFH);
587: print $fh "</pre>";
588: }
1.1 albertel 589: }
590:
591: $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
1.34 www 592:
593: my ($dev,$ino,$mode,$nlink,
594: $uid,$gid,$rdev,$size,
595: $atime,$mtime,$ctime,
596: $blksize,$blocks)=stat($fname);
597:
598: if ($size>40000) {
599: print $fh "Rotating logs ...<p>";
600: rename("$fname.2","$fname.3");
601: rename("$fname.1","$fname.2");
602: rename("$fname","$fname.1");
603: }
604:
605:
606: &errout($fh);
607: # -------------------------------------------------------------------- lonhttpd
608:
609: print $fh '<hr><a name="lonhttpd"><h2>lonhttpd</h2><h3>Log</h3><pre>';
610: print "lonhttpd\n";
611:
612: if (-e "$perlvar{'lonDaemons'}/logs/lonhttpd.log"){
613: open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonhttpd.log|");
614: while ($line=<DFH>) {
615: print $fh "$line";
616: if ($line=~/INFO/) { $notices++; }
617: if ($line=~/WARNING/) { $notices++; }
618: if ($line=~/CRITICAL/) { $warnings++; }
619: };
620: close (DFH);
621: }
622: print $fh "</pre>";
623:
624: my $lonhttpdfile="$perlvar{'lonDaemons'}/logs/lonhttpd.pid";
625:
626: $restartflag=1;
627: if (-e $lonhttpdfile) {
628: my $lfh=IO::File->new("$lonhttpdfile");
629: my $lonhttpdpid=<$lfh>;
630: chomp($lonhttpdpid);
631: if (kill 0 => $lonhttpdpid) {
1.35 albertel 632: print $fh "<h3>lonhttpd at pid $lonhttpdpid responding</h3>";
1.34 www 633: $restartflag=0;
634: } else {
635: $errors++;
636: print $fh "<h3>lonhttpd at pid $lonhttpdpid not responding</h3>";
637: # Solution: kill parent and children processes, remove .pid and restart
638: $restartflag=1;
639: print $fh
640: "<h3>Decided to clean up stale .pid file and restart lonhttpd</h3>";
641: }
642: }
643: if ($restartflag==1) {
644: $errors++;
645: print $fh '<br><font color="red">Killall lonhttpd: '.
646: system('killall lonhttpd').' - ';
647: sleep 2;
648: print $fh unlink($lonhttpdfile).' - '.system('killall -9 lonhttpd').
649: '</font><br>';
650: print $fh "<h3>lonhttpd not running, trying to start</h3>";
651: system(
652: "$perlvar{'lonDaemons'}/lonhttpd 2>>$perlvar{'lonDaemons'}/logs/lonhttpd_errors");
653: sleep 2;
654: if (-e $lonhttpdfile) {
655: print $fh "Seems like it started ...<p>";
656: my $lfh=IO::File->new("$lonhttpdfile");
657: my $lonhttpdpid=<$lfh>;
658: chomp($lonhttpdpid);
659: sleep 2;
660: if (kill 0 => $lonhttpdpid) {
661: print $fh "<h3>lonhttpd at pid $lonhttpdpid responding</h3>";
662: } else {
663: $errors++; $errors++;
664: print $fh "<h3>lonhttpd at pid $lonhttpdpid not responding</h3>";
665: print $fh "Give it one more try ...<p>";
666: system(
667: "$perlvar{'lonDaemons'}/lonhttpd 2>>$perlvar{'lonDaemons'}/logs/lonhttpd_errors");
668: sleep 2;
669: }
670: } else {
671: print $fh "Seems like that did not work!<p>";
672: $errors++;
673: }
674: if (-e "$perlvar{'lonDaemons'}/logs/lonhttpd.log") {
675: print $fh "<p><pre>";
676: open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonhttpd.log|");
677: while ($line=<DFH>) {
678: print $fh "$line";
679: if ($line=~/WARNING/) { $notices++; }
680: if ($line=~/CRITICAL/) { $notices++; }
681: };
682: close (DFH);
683: print $fh "</pre>";
684: }
685: }
686:
687: $fname="$perlvar{'lonDaemons'}/logs/lonhttpd.log";
1.1 albertel 688:
689: my ($dev,$ino,$mode,$nlink,
690: $uid,$gid,$rdev,$size,
691: $atime,$mtime,$ctime,
692: $blksize,$blocks)=stat($fname);
693:
694: if ($size>40000) {
695: print $fh "Rotating logs ...<p>";
696: rename("$fname.2","$fname.3");
697: rename("$fname.1","$fname.2");
698: rename("$fname","$fname.1");
699: }
700:
701:
702: &errout($fh);
703: # ---------------------------------------------------------------------- lonnet
704:
705: print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
1.23 www 706: print "lonnet\n";
1.1 albertel 707: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
708: open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
709: while ($line=<DFH>) {
710: print $fh "$line";
711: };
712: close (DFH);
713: }
1.11 www 714: print $fh "</pre><h3>Perm Log</h3><pre>";
1.1 albertel 715:
716: if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
717: open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
718: while ($line=<DFH>) {
719: print $fh "$line";
720: };
721: close (DFH);
722: } else { print $fh "No perm log\n" }
723:
724: $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
725:
726: my ($dev,$ino,$mode,$nlink,
727: $uid,$gid,$rdev,$size,
728: $atime,$mtime,$ctime,
729: $blksize,$blocks)=stat($fname);
730:
731: if ($size>40000) {
732: print $fh "Rotating logs ...<p>";
733: rename("$fname.2","$fname.3");
734: rename("$fname.1","$fname.2");
735: rename("$fname","$fname.1");
736: }
737:
738: print $fh "</pre>";
739: &errout($fh);
740: # ----------------------------------------------------------------- Connections
741:
742: print $fh '<hr><a name="connections"><h2>Connections</h2>';
743:
744: print $fh "<table border=2>";
1.31 albertel 745: foreach $tryserver (sort(keys(%hostname))) {
1.1 albertel 746:
747: $answer=reply("pong",$tryserver);
748: if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
749: $result="<b>ok</b>";
750: } else {
751: $result=$answer;
752: $warnings++;
753: if ($answer eq 'con_lost') { $warnings++; }
754: }
755: print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";
756:
757: }
758: print $fh "</table>";
759:
760: &errout($fh);
761: # ------------------------------------------------------------ Delayed messages
762:
763: print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
1.23 www 764: print "buffers\n";
1.1 albertel 765:
766: print $fh '<h3>Scanning Permanent Log</h3>';
767:
768: $unsend=0;
769: {
770: my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
771: while ($line=<$dfh>) {
772: ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
773: if ($sdf eq 'F') {
774: $local=localtime($time);
775: print "<b>Failed: $time, $dserv, $dcmd</b><br>";
776: $warnings++;
777: }
778: if ($sdf eq 'S') { $unsend--; }
779: if ($sdf eq 'D') { $unsend++; }
780: }
781: }
782: print $fh "Total unsend messages: <b>$unsend</b><p>\n";
783: $warnings=$warnings+5*$unsend;
784:
785: print $fh "<h3>Outgoing Buffer</h3>";
786:
787: open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
788: while ($line=<DFH>) {
789: print $fh "$line<br>";
790: };
791: close (DFH);
792:
793: # ------------------------------------------------------------------------- End
794: print $fh "<a name=errcount>\n";
795: $totalcount=$notices+4*$warnings+100*$errors;
796: &errout($fh);
797: print $fh "<h1>Total Error Count: $totalcount</h1>";
798: $now=time;
799: $date=localtime($now);
800: print $fh "<hr>$date ($now)</body></html>\n";
1.23 www 801: print "writing done\n";
1.1 albertel 802: }
803:
804: rename ("$statusdir/newstatus.html","$statusdir/index.html");
805:
806: if ($totalcount>200) {
1.23 www 807: print "mailing\n";
1.37 www 808: $emailto="$perlvar{'lonAdmEMail'}";
809: if ($totalcount>600) {
810: $emailto.=",$perlvar{'lonSysEMail'}";
811: }
1.1 albertel 812: $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
813: system(
1.24 www 814: "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
1.1 albertel 815: }
816: 1;
817:
818:
819:
820:
821:
822:
823:
824:
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