File:
[LON-CAPA] /
loncom /
cgi /
takeoffline.pl
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1.1:
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Thu Sep 11 19:47:30 2003 UTC (21 years ago) by
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Script to re-route traffic from one LON-CAPA server to another in case of
weirdness.
Use:
/cgi-bin/takeoffline.pl
puts up screen that server is kaputt
/cgi-bin/takeoffline.pl?foo.bar.edu
reroute to foo.bar.edu
/cgi-bin/takeonline.pl
restore normal welcome
Uses basic auth user "offline"
1: #!/usr/bin/perl
2: # Take machine offline, reroute traffic
3: #
4: # $Id: takeoffline.pl,v 1.1 2003/09/11 19:47:30 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: print "Content-type: text/html\n\n".
30: "<html><body bgcolor=#FFFFFF><h1>Take Offline</h1>";
31: unless ($ENV{'QUERY_STRING'}) {
32: print 'No reroute server given, taking completely offline.';
33: &dead();
34: } else {
35: $otherserver=$ENV{'QUERY_STRING'};
36: print 'Rerouting to '.$otherserver;
37: &reroute();
38: }
39:
40: print "</body></html>";
41:
42: sub dead {
43: open (OUT,'>/home/httpd/html/index.html');
44: print OUT 'This LON-CAPA server is currently offline.';
45: close(OUT);
46: }
47:
48: sub reroute {
49: open (OUT,'>/home/httpd/html/index.html');
50: print OUT (<<ENDNEWINDEX);
51: <html>
52: <head>
53: <title>Welcome to the LearningOnline Network with CAPA</title>
54: <meta HTTP-EQUIV="Refresh" CONTENT="0.5; url=http://$otherserver/adm/roles">
55: </head>
56: <body bgcolor="#004400" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
57: <img src="/adm/lonIcons/header.gif" />
58: <p><font color="#FFFFFF">Connecting to
59: <a href="http://$otherserver/adm/roles"><font color="#FFFFFF">http://$otherserver/</font></a></font></p>
60: </body>
61: </html>
62: ENDNEWINDEX
63: close(OUT);
64: }
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