Annotation of loncom/cgi/clusterstatus.pl, revision 1.18
1.1 www 1: #!/usr/bin/perl
2: $|=1;
3: # The LearningOnline Network with CAPA
4: # Cluster Status
1.9 www 5: #
1.18 ! www 6: # $Id: clusterstatus.pl,v 1.17 2003/08/05 18:47:21 www Exp $
1.3 harris41 7:
8: use lib '/home/httpd/lib/perl/';
9: use LONCAPA::Configuration;
1.16 www 10: use strict;
1.3 harris41 11:
1.1 www 12: use LWP::UserAgent();
13: use HTTP::Headers;
14: use IO::File;
15:
1.8 www 16: my %host=();
17: my $oneday=60*60*24;
18:
19: my %connectionstatus=();
1.9 www 20: my %perlvar=();
21:
22: my $mode;
1.14 www 23: my $concount=0;
1.16 www 24: my $fromcache;
25:
26: my %domaindescription = ();
27: my %domain_auth_def = ();
28: my %domain_auth_arg_def = ();
29:
30: my %hostname=();
31: my %hostip=();
32: my %hostdom=();
33: my %hostrole=();
34: my %libserv=();
35:
36: my $maxusers=0;
37: my $maxload=0;
38: my $totalusers=0;
39:
40: my %FORM=();
41:
42: my $stat_total=0;
43: my $stat_notyet=0;
44: my $stat_fromcache=0;
1.9 www 45:
46: sub select_form {
47: my ($def,$name,%hash) = @_;
48: my $selectform = "<select name=\"$name\" size=\"1\">\n";
49: foreach (sort keys %hash) {
50: $selectform.="<option value=\"$_\" ".
51: ($_ eq $def ? 'selected' : '').
52: ">".$hash{$_}."</option>\n";
53: }
54: $selectform.="</select>";
55: return $selectform;
56: }
57:
1.8 www 58:
59: sub key {
60: my ($local,$url)=@_;
61: my $key=$local.'_'.$url;
62: $key=~s/\W/\_/gs;
63: return $key;
64: }
65:
66: sub hidden {
67: my ($name,$value)=@_;
68: print "\n<input type='hidden' name='$name' value='$value' />";
69: }
70:
71: sub request {
72: my ($local,$url,$cachetime)=@_;
1.13 www 73: $cachetime*=(0.5+rand);
1.8 www 74: my $key=&key($local,$url);
75: my $reply='';
1.16 www 76: $stat_total++;
77: # if fromcache flag is set, only return cached values
78: if ($fromcache) {
79: if ($FORM{$key.'_time'}) {
80: return $FORM{$key};
81: $stat_fromcache++;
82: } else {
83: return 'not_yet';
84: $stat_notyet++;
85: }
86: }
87: # normal mode, refresh when expired or not yet present
1.8 www 88: if ($FORM{$key.'_time'}) {
89: if ((time-$FORM{$key.'_time'})<$cachetime) {
90: $reply=$FORM{$key};
91: &hidden($key.'_time',$FORM{$key.'_time'});
1.16 www 92: $stat_fromcache++;
1.8 www 93: }
94: }
95: unless ($reply) {
96: unless ($hostname{$local}) {
97: $reply='local_unknown';
98: } else {
99:
1.14 www 100: my $ua=new LWP::UserAgent(timeout => 10);
1.8 www 101:
102: my $request=new HTTP::Request('GET',
103: "http://".$hostname{$local}.$url);
104: $request->authorization_basic('lonadm','litelite');
105:
106: my $response=$ua->request($request);
107:
108: unless ($response->is_success) {
109: $reply='local_error';
110: } else {
111: $reply=$response->content;
112: chomp($reply);
113: }
114: }
115: &hidden($key.'_time',time);
116: }
117: &hidden($key,$reply);
118: return $reply;
119: }
120:
121: # ============================================= Are local and remote connected?
1.1 www 122: sub connected {
123: my ($local,$remote)=@_;
124: $local=~s/\W//g;
125: $remote=~s/\W//g;
126:
127: unless ($hostname{$remote}) { return 'remote_unknown'; }
1.8 www 128: my $url='/cgi-bin/ping.pl?'.$remote;
129: #
1.14 www 130: # Slowly phase this in: if not cached, only do 5 percent of the cases,
131: # but always do the first five.
1.8 www 132: #
133: unless ($FORM{&key($local,$url)}) {
1.16 www 134: unless (($concount<=5) || (rand>0.95)) {
135: $stat_total++;
136: $stat_notyet++;
1.14 www 137: return 'not_yet';
138: } else {
139: $concount++;
140: }
1.8 www 141: }
142: #
143: # Actually do the query
144: #
145: &statuslist($local,'connecting '.$remote);
1.9 www 146: my $reply=&request($local,$url,3600);
1.8 www 147: $reply=(split("\n",$reply))[0];
148: $reply=~s/\W//g;
149: if ($reply ne $remote) { return $reply; }
150: return 'ok';
151: }
152: # ============================================================ Get a reply hash
153:
154: sub replyhash {
155: my %returnhash=();
156: foreach (split(/\&/,&request(@_))) {
157: my ($name,$value)=split(/\=/,$_);
158: if ($name) {
159: unless ($value) { $value=''; }
160: $returnhash{$name}=$value;
161: }
162: }
163: return %returnhash;
164: }
1.1 www 165:
1.9 www 166: # ================================================================ Link to host
1.1 www 167:
1.8 www 168: sub otherwindow {
169: my ($local,$url,$label)=@_;
170: return
1.9 www 171: " <a href='http://$hostname{$local}$url' target='newwin$local'>$label</a> ";
172: }
173:
174: sub login {
175: my $local=shift;
176: print &otherwindow($local,'/adm/login?domain='.$perlvar{'lonDefDomain'},
177: 'Login');
178: }
179:
180: sub runloncron {
181: my $local=shift;
182: print &otherwindow($local,'/cgi-bin/loncron.pl','Run loncron');
183: }
184:
185: sub loncron {
186: my $local=shift;
187: print &otherwindow($local,'/lon-status','loncron');
188: }
189:
190: sub lonc {
191: my $local=shift;
192: print &otherwindow($local,'/lon-status/loncstatus.txt','lonc');
193: }
194:
195: sub lond {
196: my $local=shift;
197: print &otherwindow($local,'/lon-status/londstatus.txt','lond');
198: }
199:
200: sub users {
201: my $local=shift;
202: print &otherwindow($local,'/cgi-bin/userstatus.pl','Users');
203: }
204:
205: sub versions {
206: my $local=shift;
207: print &otherwindow($local,'/cgi-bin/lonversions.pl','Versions');
208: }
209:
210: sub server {
211: my $local=shift;
212: print &otherwindow($local,'/server-status','Server Status');
1.8 www 213: }
1.1 www 214:
1.18 ! www 215: sub announcement {
! 216: my $local=shift;
! 217: print &otherwindow($local,'/announcement.txt','Announcement');
! 218: }
! 219:
1.11 www 220: # ========================================================= Produce a green bar
221: sub bar {
222: my $parm=shift;
223: my $number=int($parm+0.5);
224: print "<table><tr><td bgcolor='#225522'><font color='#225522'>";
225: for (my $i=0;$i<$number;$i++) {
226: print "+";
227: }
228: print "</font></table>";
229: }
230:
1.9 www 231: # ========================================================== Show server status
232:
1.8 www 233: sub serverstatus {
1.11 www 234: my ($local,$trouble)=@_;
1.9 www 235: print (<<ENDHEADER);
1.11 www 236: <a name="$local" />
1.9 www 237: <table width="100%" bgcolor="#225522" cellspacing="2" cellpadding="2" border="0">
238: <tr><td bgcolor="#BBDDBB"><font color="#225522" face="arial"><b>
239: $local $hostdom{$local}</b> <tt>($hostname{$local}; $hostrole{$local})</tt>
240: <br />$domaindescription{$hostdom{$local}}
1.10 www 241: </font></th></tr><tr><td bgcolor="#DDDDBB"><font color="#225522">
1.9 www 242: ENDHEADER
243: &login($local);&server($local);&users($local);&versions($local);
1.18 ! www 244: &announcement($local);
1.9 www 245: &loncron($local);&lond($local);&lonc($local);&runloncron($local);
1.11 www 246: print "</font></td></tr>";
247: if ($trouble) {
248: print ("<tr><td bgcolor='#DDBBBB'><font color='#552222' size='+2'>$trouble</font></td></tr>");
249: }
250: print "<tr><td bgcolor='#BBBBBB'>";
1.15 www 251: # version
252: if ($host{$local.'_version'}) {
253: print "<br />Version: ".$host{$local.'_version'}
254: }
1.9 www 255: # load
256: if (($host{$local.'_load_doomed'}>0.5) || ($mode eq 'load_doomed')) {
257: print "<br />Load: ".$host{$local.'_load'}
258: }
259: # users
260: if (($host{$local.'_users_doomed'}>10) || ($mode eq 'users_doomed')) {
261: print "<br />Active Users: ".$host{$local.'_users'}
262: }
263:
1.8 www 264: # checkrpms
265: if ($host{$local.'_checkrpms'}) {
266: print "<br />RPMs: ".$host{$local.'_checkrpms'}
267: }
268: # mysql
269: if ($host{$local.'_mysql'}) {
270: print "<br />MySQL Database: ".$host{$local.'_mysql'}
271: }
1.11 www 272: # connections
273: if ($host{$local.'_notconnected'}) {
274: print "<br />Not connected: ";
275: foreach (split(/ /,$host{$local.'_notconnected'})) {
276: if ($_) {
277: print " <a href='#$_'>$_</a>";
278: }
279: }
280: }
281: # errors
282: if ($host{$local.'_errors'}) {
283: print "<br />loncron errors: ".$host{$local.'_errors'};
284: }
1.9 www 285: print "</td></tr></table><br />";
286: }
287:
288: # =========================================================== Doomedness sorted
289:
290: sub doomedness {
291: my $crit=shift;
292: my %alldoomed=();
293: my @allhosts=();
294: foreach (keys %host) {
295: if ($_=~/^(\w+)\_$crit$/) {
296: if ($host{$_}) {
297: push (@allhosts,$1);
298: $alldoomed{$1}=$host{$_};
299: }
300: }
301: }
302: return sort { $alldoomed{$b} <=> $alldoomed{$a} } @allhosts;
1.8 www 303: }
1.1 www 304:
1.16 www 305: sub resetvars {
306: $maxusers=0;
307: $maxload=0;
308: $totalusers=0;
309: $stat_total=0;
310: $stat_notyet=0;
311: $stat_fromcache=0;
1.17 www 312: $concount=0;
1.16 www 313: undef %host;
314: %host=();
1.1 www 315: }
1.8 www 316:
1.16 www 317: sub mainloop {
318: &resetvars();
1.8 www 319: # ==================================================== Main Loop over all Hosts
320:
1.16 www 321: foreach my $local (sort keys %hostname) {
1.9 www 322: $host{$local.'_unresponsive_doomed'}=0;
1.8 www 323: # -- Check general status
324: &statuslist($local,'General');
325: my %loncron=&replyhash($local,'/lon-status/loncron_simple.txt',1200);
326: if (defined($loncron{'local_error'})) {
327: $host{$local.'_loncron'}='Could not determine.';
1.9 www 328: $host{$local.'_unresponsive_doomed'}++;
1.8 www 329: } else {
330: if ((time-$loncron{'time'})>$oneday) {
331: $host{$local.'_loncron'}='Stale.';
1.9 www 332: $host{$local.'_unresponsive_doomed'}++;
1.8 www 333: } else {
1.11 www 334: $host{$local.'_loncron_doomed'}=$loncron{'notices'}
335: +4*$loncron{'warnings'}
336: +100*$loncron{'errors'};
337: $host{$local.'_errors'}=$loncron{'errors'};
1.8 www 338: }
339: }
1.15 www 340: # -- Check version
341: &statuslist($local,'Version');
342: my $version=&request($local,'/lon-status/version.txt',7200);
343: if ($version eq 'local_error') {
344: $host{$local.'_version'}='Could not determine.';
345: $host{$local.'_unresponsive_doomed'}++;
346: } else {
347: $host{$local.'_version'}=$version;
348: }
1.8 www 349: # -- Check user status
350: &statuslist($local,'Users');
351: my %userstatus=&replyhash($local,'/cgi-bin/userstatus.pl?simple',600);
352: if (defined($userstatus{'local_error'})) {
353: $host{$local.'_userstatus'}='Could not determine.';
1.9 www 354: $host{$local.'_unresponsive_doomed'}++;
1.8 www 355: } else {
1.9 www 356: $host{$local.'_users_doomed'}=$userstatus{'Active'};
357: $host{$local.'_users'}=$userstatus{'Active'};
1.11 www 358: unless ($host{$local.'_users'}) { $host{$local.'_users'}=0; }
359: if ($host{$local.'_users'}>$maxusers) {
360: $maxusers=$host{$local.'_users'};
361: }
362: $totalusers+=$host{$local.'_users'};
1.9 www 363: my ($sload,$mload,$lload)=split(/ /,$userstatus{'loadavg'});
364: $host{$local.'_load_doomed'}=$mload;
1.11 www 365: if ($mload>$maxload) {
366: $maxload=$mload;
367: }
1.9 www 368: $host{$local.'_load'}=$userstatus{'loadavg'};
1.8 www 369: }
370: # -- Check mysql status
371: &statuslist($local,'Database');
1.9 www 372: my %mysql=&replyhash($local,'/lon-status/mysql.txt',3600);
1.8 www 373: if (defined($mysql{'local_error'})) {
374: $host{$local.'_mysql'}='Could not determine.';
1.9 www 375: $host{$local.'_unresponsive_doomed'}++;
1.8 www 376: } else {
377: if ((time-$mysql{'time'})>(7*$oneday)) {
378: if ($hostrole{$local} eq 'library') {
379: $host{$local.'_mysql'}='Stale.';
380: $host{$local.'_mysql_doomed'}=1;
381: }
382: if ($mysql{'mysql'} eq 'defunct') {
383: $host{$local.'_mysql'}='Defunct (maybe stale).';
384: $host{$local.'_mysql_doomed'}=2;
385: }
386: } elsif ($mysql{'mysql'} eq 'defunct') {
387: $host{$local.'_mysql'}='Defunct.';
388: $host{$local.'_mysql_doomed'}=3;
389: }
390: }
391: # -- Check rpm status
392: &statuslist($local,'RPMs');
1.9 www 393: my %checkrpms=&replyhash($local,'/lon-status/checkrpms.txt',7200);
1.8 www 394: if (defined($checkrpms{'local_error'})) {
395: $host{$local.'_checkrpms'}='Could not determine.';
1.9 www 396: $host{$local.'_unresponsive_doomed'}++;
1.8 www 397: } else {
398: if ((time-$checkrpms{'time'})>(4*$oneday)) {
399: $host{$local.'_checkrpms'}='Stale.';
400: $host{$local.'_checkrpms_doomed'}=50;
1.9 www 401: $host{$local.'_unresponsive_doomed'}++;
1.8 www 402: } elsif ($checkrpms{'status'} eq 'fail') {
403: $host{$local.'_checkrpms'}='Could not checked RPMs.';
404: $host{$local.'_checkrpms_doomed'}=100;
405: } elsif ($checkrpms{'rpmcount'}) {
406: $host{$local.'_checkrpms'}='Outdated RPMs: '.
407: $checkrpms{'rpmcount'};
408: $host{$local.'_checkrpms_doomed'}=$checkrpms{'rpmcount'};
409: }
410: }
411: # -- Check connections
412: &statuslist($local,'Connections');
413: $host{$local.'_notconnected'}='';
414: $host{$local.'_notconnected_doomed'}=0;
1.16 www 415: foreach my $remote (sort keys %hostname) {
1.8 www 416: my $status=&connected($local,$remote);
417: $connectionstatus{$local.'_TO_'.$remote}=$status;
418: unless (($status eq 'ok') || ($status eq 'not_yet')) {
419: $host{$local.'_notconnected'}.=' '.$remote;
420: $host{$local.'_notconnected_doomed'}++;
421: }
422: }
1.16 www 423: # =============================================================== End Main Loop
424: }
425:
1.8 www 426: }
1.16 www 427:
428: sub reports {
1.9 www 429: # ====================================================================== Output
430: if ($mode=~/\_doomed$/) {
431: # Output by doomedness
432: foreach (&doomedness($mode)) {
433: &serverstatus($_);
434: }
1.10 www 435: } elsif ($mode eq 'connections') {
436: print
437: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>".
438: "<tr><td bgcolor='#225522'> </td>";
1.11 www 439: foreach my $remote (sort keys %hostname) {
1.17 www 440: print '<td bgcolor="#DDDDBB">'.$remote.'</td>';
1.10 www 441: }
442: print "</tr>\n";
443: # connection matrix
1.11 www 444: foreach my $local (sort keys %hostname) {
1.17 www 445: print '<tr><td bgcolor="#DDDDBB">'.$local.'</td>';
1.11 www 446: foreach my $remote (sort keys %hostname) {
1.10 www 447: if ($connectionstatus{$local.'_TO_'.$remote} eq 'not_yet') {
1.14 www 448: my $cellcolor='#FFFFFF';
449: if ($local eq $remote) { $cellcolor='#DDDDDD'; }
450: print '<td bgcolor="'.$cellcolor.'"><font color="#555522" size="-2">not yet tested</font></td>';
1.10 www 451: } elsif ($connectionstatus{$local.'_TO_'.$remote} eq 'ok') {
1.14 www 452: my $cellcolor='#BBDDBB';
453: if ($local eq $remote) { $cellcolor='#99DD99'; }
1.10 www 454: print
1.14 www 455: '<td bgcolor="'.$cellcolor.'"><font color="#225522" face="arial"><b>ok</b></td>';
1.10 www 456: } else {
1.14 www 457: my $cellcolor='#DDBBBB';
458: if ($connectionstatus{$local.'_TO_'.$remote} eq 'local_error') {
459: if ($local eq $remote) {
460: $cellcolor='#DD88AA';
461: } else {
462: $cellcolor='#DDAACC';
463: }
464: } else {
465: if ($local eq $remote) { $cellcolor='#DD9999'; }
466: }
1.10 www 467: print
1.14 www 468: '<td bgcolor="'.$cellcolor.'"><font color="#552222" size="-2">'.
1.10 www 469: $connectionstatus{$local.'_TO_'.$remote}.'<br />';
470: &lonc($local); &lond($remote);
471: print '</td>';
472: }
473: }
474: print "</tr>\n";
475: }
1.11 www 476: print "</table>";
477: } elsif ($mode eq 'users') {
478: # Users
479: if ($maxusers) {
480: my $factor=50/$maxusers;
481: print "<h3>Total active user(s): $totalusers</h3>".
482: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>";
483:
1.16 www 484: foreach my $local (sort keys %hostname) {
1.11 www 485: if (defined($host{$local.'_users'})) {
486: print
1.16 www 487: '<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.$local.
488: '</font><br /><font size="-2">'.
489: $domaindescription{$hostdom{$local}}.
490: '</font></td><td bgcolor="#DDDDBB">';
1.12 www 491: &users($local);
1.11 www 492: print
493: '</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'.
494: $host{$local.'_users'}.'</font></td><td bgcolor="#DDDDBB"';
495: &bar($factor*$host{$local.'_users'});
496: print "</td></tr>\n";
497: }
498: }
499: print "</table>";
500: } else {
501: print "No active users logged in.";
502: }
503: } elsif ($mode eq 'load') {
504: # Load
505: if ($maxload) {
506: my $factor=50/$maxload;
507: print
508: "<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>";
1.16 www 509: foreach my $local (sort keys %hostname) {
1.11 www 510: if (defined($host{$local.'_load_doomed'})) {
511: print
1.16 www 512: '<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.
1.11 www 513: $local.
1.16 www 514: '</font><br /><font size="-2">'.
515: $domaindescription{$hostdom{$local}}.
516: '</font></td><td bgcolor="#DDDDBB">';
1.12 www 517: &server($local);
1.11 www 518: print
519: '</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'.
520: $host{$local.'_load_doomed'}.'</font></td><td bgcolor="#DDDDBB"';
521: &bar($factor*$host{$local.'_load_doomed'});
522: print "</td></tr>\n";
523: }
524: }
525: print "</table>";
526: } else {
527: print "No workload.";
528: }
529: } elsif ($mode eq 'trouble') {
530: my $count=0;
1.16 www 531: foreach my $local (sort keys %hostname) {
1.11 www 532: my $trouble='';
1.15 www 533: if ($host{$local.'_unresponsive_doomed'}>3) {
534: $trouble='Does not respond to several queries.<br />';
535: }
1.11 www 536: if ($host{$local.'_errors'}) {
537: $trouble='Has loncron errors.<br />';
538: } elsif ($host{$local.'_loncron_doomed'}>600) {
539: $trouble='High loncron count.<br />';
540: }
541: if ($host{$local.'_load_doomed'}>5) {
542: $trouble='High load.<br />';
543: }
544: if ($host{$local.'_users_doomed'}>200) {
545: $trouble='High user volume.<br />';
546: }
547: if ($host{$local.'_mysql_doomed'}>1) {
548: $trouble='MySQL database apparently offline.<br />';
549: }
550: if ($host{$local.'_checkrpms_doomed'}>100) {
551: $trouble='RPMs outdated.<br />';
552: }
553: if ($trouble) { $count++; &serverstatus($local,$trouble); }
554: }
555: unless ($count) { print "No mayor trouble."; }
1.9 www 556: }
1.16 www 557: }
558:
559: # ====================================================================== Status
560: sub statuslist {
561: my ($local,$what)=@_;
562: print
563: "<script>document.prgstat.progress.value='Testing $local ($hostname{$local}): $what';</script>\n";
564: }
565:
566: # =============================================================================
567: # =============================================================================
568: # Main program
569: #
570: # ========================================================= Get form parameters
571: my $buffer;
572:
573: read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
574: my @pairs=split(/&/,$buffer);
575: my $pair; my $name; my $value;
576: undef %FORM;
577: %FORM=();
578: foreach $pair (@pairs) {
579: ($name,$value) = split(/=/,$pair);
580: $value =~ tr/+/ /;
581: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
582: $FORM{$name}=$value;
583: }
584:
585: $buffer=$ENV{'QUERY_STRING'};
586: @pairs=split(/&/,$buffer);
587: foreach $pair (@pairs) {
588: ($name,$value) = split(/=/,$pair);
589: $value =~ tr/+/ /;
590: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
591: $FORM{$name}=$value;
592: }
593:
594: # ====================================================== Determine refresh rate
595:
596: my $refresh=(($FORM{'refresh'}=~/^\d+$/)?$FORM{'refresh'}:30);
597: if ($refresh<30) { $refresh=30; }
598: my $starttime=time;
599:
600: # ============================================================== Determine mode
601:
602: my %modes=('trouble' => 'Trouble',
603: 'users_doomed' => 'Doomed: Users',
604: 'loncron_doomed' => 'Doomed: General (loncron)',
605: 'mysql_doomed' => 'Doomed: Database (mysql)',
606: 'notconnected_doomed' => 'Doomed: Connections',
607: 'checkrpms_doomed' => 'Doomed: RPMs',
608: 'load_doomed' => 'Doomed: Load',
609: 'unresponsive_doomed' => 'Doomed: Status could not be determined',
610: 'users' => 'User Report',
611: 'load' => 'Load Report',
612: 'connections' => 'Connections Matrix');
613:
614: $mode=$FORM{'mode'};
615: unless ($modes{$mode}) { $mode='trouble'; }
616: # ================================================================ Send Headers
617: print "Content-type: text/html\n\n".
618: "<html><body bgcolor='#FFFFFF'>\n";
619: # -------------------- Read loncapa.conf (and by default, loncapa_apache.conf).
620: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
621: %perlvar=%{$perlvarref};
622: undef $perlvarref; # remove since sensitive and not needed
623: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
624: delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
625:
626: # ------------------------------------------------------------- Read hosts file
627: {
628: my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
629:
630: while (my $configline=<$config>) {
631: $configline=~s/#.*$//;
632: unless ($configline=~/\w/) { next; }
633: my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
634: $hostname{$id}=$name;
635: $hostdom{$id}=$domain;
636: $hostrole{$id}=$role;
637: $hostip{$id}=$ip;
638: if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
639: $libserv{$id}=$name;
640: }
641: }
642: }
643: # ------------------------------------------------------------ Read domain file
644: {
645: my $fh=IO::File->new($perlvar{'lonTabDir'}.'/domain.tab');
646: if ($fh) {
647: while (<$fh>) {
648: next if (/^(\#|\s*$)/);
649: chomp;
650: my ($domain, $domain_description, $def_auth, $def_auth_arg)
651: = split(/:/,$_,4);
652: $domain_auth_def{$domain}=$def_auth;
653: $domain_auth_arg_def{$domain}=$def_auth_arg;
654: $domaindescription{$domain}=$domain_description;
655: }
656: }
657: }
658:
659: print "<img src='/adm/lonIcons/lonlogos.gif' align='right' /><h1>LON-CAPA Cluster Status ".localtime()."</h1>";
660: print "<form name='prgstat'>\n".
661: "<input type='text' name='progress' value='Starting ...' size='100' /><br />".
662: "</form>\n";;
663: print "<form name='status' method='post'>\n";
664: print 'Choose next report: '.&select_form($mode,'mode',%modes).'<hr />';
665: &hidden('refresh',$refresh);
666:
667: if (!$FORM{'runonetime'}) {
668: print
669: "<h3>Gathering initial cluster data</h3>This may take some time ...<br />";
670: $fromcache=0;
671: &mainloop();
672: &statuslist('Done initial run.');
673: &reports();
674: } else {
675: $fromcache=1;
676: &mainloop();
677: &statuslist('Done gathering cached data');
678: &reports();
679: $fromcache=0;
680: &mainloop();
681: }
682: &hidden('runonetime',1);
683: print '<tt><br />Total number of queries: '.$stat_total.
684: '<br />Percent complete: '.
685: int(($stat_total-$stat_notyet)/$stat_total*100.).
686: '<br />Percent from cache: '.
687: int($stat_fromcache/$stat_total*100.).'</tt>';
688:
1.9 www 689: # ============================================================== Close, refresh
1.8 www 690: print "</form><script>";
1.16 www 691: my $runtime=time-$starttime;
692: if (($refresh-$runtime)<0) {
693: print "document.status.submit();";
1.8 www 694: } else {
1.16 www 695: my $refreshtime=int(1000*($refresh-$runtime));
1.11 www 696: print "setTimeout('document.status.submit()',$refreshtime);\n".
697: "document.prgstat.progress.value='Will automatically refresh ($refresh secs refresh cycle)'";
1.2 www 698: }
1.8 www 699: print "</script></body></html>";
700: exit 0;
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