version 1.4, 2002/09/09 14:18:56
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version 1.24, 2005/04/13 18:30:46
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#!/usr/bin/perl |
#!/usr/bin/perl |
$|=1; |
$|=1; |
# The LearningOnline Network with CAPA |
# Generates a html page showing various sataus reports about the cluster |
# Cluster Status |
# $Id$ |
# (Versions |
# |
# (Running loncron |
# Copyright Michigan State University Board of Trustees |
# 09/06/01 Gerd Kortemeyer) |
# |
# 02/18/02,02/19/02 Gerd Kortemeyer) |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
# 5/11/2002 Scott Harrison |
# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA::Configuration; |
use LONCAPA::Configuration; |
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use strict; |
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use LWP::UserAgent(); |
use LWP::UserAgent(); |
use HTTP::Headers; |
use HTTP::Headers; |
use IO::File; |
use IO::File; |
use Net::Ping; |
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sub online { |
my %host=(); |
my $host=shift; |
my $oneday=60*60*24; |
my $p=Net::Ping->new("tcp",10); |
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my $online=$p->ping("$host"); |
my %connectionstatus=(); |
$p->close(); |
my %perlvar=(); |
undef ($p); |
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return $online; |
my $mode; |
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my $concount=0; |
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my $fromcache; |
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my %domaindescription = (); |
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my %domain_auth_def = (); |
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my %domain_auth_arg_def = (); |
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my %domain_lang_def=(); |
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my %domain_city=(); |
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my %domain_longi=(); |
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my %domain_lati=(); |
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my %hostname=(); |
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my %hostip=(); |
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my %hostdom=(); |
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my %hostrole=(); |
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my %libserv=(); |
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my $maxusers=0; |
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my $maxload=0; |
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my $totalusers=0; |
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my %FORM=(); |
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my $stat_total=0; |
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my $stat_notyet=0; |
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my $stat_fromcache=0; |
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sub select_form { |
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my ($def,$name,%hash) = @_; |
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my $selectform = "<select name=\"$name\" size=\"1\">\n"; |
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foreach (sort keys %hash) { |
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$selectform.="<option value=\"$_\" ". |
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($_ eq $def ? 'selected' : ''). |
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">".$hash{$_}."</option>\n"; |
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} |
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$selectform.="</select>"; |
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return $selectform; |
} |
} |
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sub key { |
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my ($local,$url)=@_; |
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my $key=$local.'_'.$url; |
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$key=~s/\W/\_/gs; |
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return $key; |
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} |
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sub hidden { |
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my ($name,$value)=@_; |
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print "\n<input type='hidden' name='$name' value='$value' />"; |
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} |
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sub request { |
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my ($local,$url,$cachetime)=@_; |
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$cachetime*=(0.5+rand); |
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my $key=&key($local,$url); |
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my $reply=''; |
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$stat_total++; |
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# if fromcache flag is set, only return cached values |
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if ($fromcache) { |
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if ($FORM{$key.'_time'}) { |
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return $FORM{$key}; |
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$stat_fromcache++; |
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} else { |
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return 'not_yet'; |
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$stat_notyet++; |
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} |
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} |
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# normal mode, refresh when expired or not yet present |
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if ($FORM{$key.'_time'}) { |
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if ((time-$FORM{$key.'_time'})<$cachetime) { |
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$reply=$FORM{$key}; |
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&hidden($key.'_time',$FORM{$key.'_time'}); |
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$stat_fromcache++; |
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} |
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} |
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unless ($reply) { |
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unless ($hostname{$local}) { |
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$reply='local_unknown'; |
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} else { |
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my $ua=new LWP::UserAgent(timeout => 10); |
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my $request=new HTTP::Request('GET', |
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"http://".$hostname{$local}.$url); |
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$request->authorization_basic('lonadm','litelite'); |
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my $response=$ua->request($request); |
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unless ($response->is_success) { |
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$reply='local_error'; |
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} else { |
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$reply=$response->content; |
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chomp($reply); |
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} |
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} |
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&hidden($key.'_time',time); |
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} |
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&hidden($key,$reply); |
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return $reply; |
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} |
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# ============================================= Are local and remote connected? |
sub connected { |
sub connected { |
my ($local,$remote)=@_; |
my ($local,$remote)=@_; |
$local=~s/\W//g; |
$local=~s/\W//g; |
$remote=~s/\W//g; |
$remote=~s/\W//g; |
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unless ($hostname{$local}) { return 'local_unknown'; } |
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unless ($hostname{$remote}) { return 'remote_unknown'; } |
unless ($hostname{$remote}) { return 'remote_unknown'; } |
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my $url='/cgi-bin/ping.pl?'.$remote; |
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# |
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# Slowly phase this in: if not cached, only do 5 percent of the cases, |
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# but always do the first five. |
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# |
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unless ($FORM{&key($local,$url)}) { |
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unless (($concount<=5) || (rand>0.95)) { |
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$stat_total++; |
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$stat_notyet++; |
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return 'not_yet'; |
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} else { |
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$concount++; |
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} |
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} |
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# |
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# Actually do the query |
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# |
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&statuslist($local,'connecting '.$remote); |
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my $reply=&request($local,$url,3600); |
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$reply=(split("\n",$reply))[0]; |
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$reply=~s/\W//g; |
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if ($reply ne $remote) { return $reply; } |
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return 'ok'; |
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} |
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# ============================================================ Get a reply hash |
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sub replyhash { |
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my %returnhash=(); |
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foreach (split(/\&/,&request(@_))) { |
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my ($name,$value)=split(/\=/,$_); |
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if ($name) { |
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unless ($value) { $value=''; } |
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$returnhash{$name}=$value; |
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} |
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} |
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return %returnhash; |
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} |
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unless (&online($hostname{$local})) { return 'local_offline'; } |
# ================================================================ Link to host |
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my $ua=new LWP::UserAgent; |
sub otherwindow { |
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my ($local,$url,$label)=@_; |
my $request=new HTTP::Request('GET', |
return |
"http://".$hostname{$local}.'/cgi-bin/ping.pl?'.$remote); |
" <a href='http://$hostname{$local}$url' target='newwin$local'>$label</a> "; |
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} |
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my $response=$ua->request($request); |
sub login { |
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my $local=shift; |
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print &otherwindow($local,'/adm/login?domain='.$perlvar{'lonDefDomain'}, |
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'Login'); |
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} |
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unless ($response->is_success) { return 'local_error'; } |
sub runloncron { |
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my $local=shift; |
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print &otherwindow($local,'/cgi-bin/loncron.pl','Run loncron'); |
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} |
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my $reply=$response->content; |
sub loncron { |
$reply=(split("\n",$reply))[0]; |
my $local=shift; |
$reply=~s/\W//g; |
print &otherwindow($local,'/lon-status','loncron'); |
if ($reply ne $remote) { return $reply; } |
} |
return 'ok'; |
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sub lonc { |
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my $local=shift; |
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print &otherwindow($local,'/lon-status/loncstatus.txt','lonc'); |
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} |
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sub lond { |
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my $local=shift; |
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print &otherwindow($local,'/lon-status/londstatus.txt','lond'); |
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} |
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sub users { |
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my $local=shift; |
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print &otherwindow($local,'/cgi-bin/userstatus.pl','Users'); |
} |
} |
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sub versions { |
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my $local=shift; |
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print &otherwindow($local,'/cgi-bin/lonversions.pl','Versions'); |
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} |
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sub server { |
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my $local=shift; |
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print &otherwindow($local,'/server-status','Server Status'); |
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} |
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sub announcement { |
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my $local=shift; |
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print &otherwindow($local,'/announcement.txt','Announcement'); |
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} |
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sub takeonline { |
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my $local=shift; |
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print &otherwindow($local,'/cgi-bin/takeonline.pl','Take online'); |
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} |
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sub takeoffline { |
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my $local=shift; |
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print &otherwindow($local,'/cgi-bin/takeoffline.pl','Take offline'); |
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} |
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sub reroute { |
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my ($local,$remote)=@_; |
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print &otherwindow($local,'/cgi-bin/takeoffline.pl?'. |
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$hostname{$remote}.'&'.$hostdom{$local} |
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,$remote)."\n"; |
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} |
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sub allreroutes { |
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my $local=shift; |
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&takeoffline($local); |
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print ' Reroute to: <font size="1">'; |
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foreach my $remote (sort keys %hostname) { |
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unless ($local eq $remote) { |
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&reroute($local,$remote); |
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} |
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} |
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print '</font>'; |
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} |
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# ========================================================= Produce a green bar |
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sub bar { |
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my $parm=shift; |
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my $number=int($parm+0.5); |
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print "<table><tr><td bgcolor='#225522'><font color='#225522'>"; |
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for (my $i=0;$i<$number;$i++) { |
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print "+"; |
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} |
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print "</font></table>"; |
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} |
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# ========================================================== Show server status |
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sub serverstatus { |
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my ($local,$trouble)=@_; |
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print (<<ENDHEADER); |
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<a name="$local" /> |
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<table width="100%" bgcolor="#225522" cellspacing="2" cellpadding="2" border="0"> |
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<tr><td bgcolor="#BBDDBB"><font color="#225522" face="arial"><b> |
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$local $hostdom{$local}</b> <tt>($hostname{$local}; $hostrole{$local})</tt> |
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<br />$domaindescription{$hostdom{$local}} |
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$domain_city{$hostdom{$local}} |
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</font></th></tr><tr><td bgcolor="#DDDDBB"><font color="#225522"> |
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ENDHEADER |
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&login($local);&server($local);&users($local);&versions($local); |
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&announcement($local); |
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&loncron($local);&lond($local);&lonc($local);&runloncron($local); |
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print "</font></td></tr>"; |
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if ($trouble) { |
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print ("<tr><td bgcolor='#DDBBBB'><font color='#552222' size='+2'>$trouble</font></td></tr>"); |
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} |
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print "<tr><td bgcolor='#BBBBBB'>"; |
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# re-routing |
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if ($host{$local.'_reroute'}) { |
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print "<br />Reroute: ".$host{$local.'_reroute'}; |
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&takeonline($local); |
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} |
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# version |
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if ($host{$local.'_version'}) { |
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print "<br />Version: ".$host{$local.'_version'} |
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} |
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# load |
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if (($host{$local.'_load_doomed'}>0.5) || ($mode eq 'load_doomed')) { |
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print "<br />Load: ".$host{$local.'_load'} |
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} |
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# users |
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if (($host{$local.'_users_doomed'}>10) || ($mode eq 'users_doomed')) { |
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print "<br />Active Users: ".$host{$local.'_users'} |
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} |
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# checkrpms |
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if ($host{$local.'_checkrpms'}) { |
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print "<br />RPMs: ".$host{$local.'_checkrpms'} |
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} |
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# mysql |
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if ($host{$local.'_mysql'}) { |
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print "<br />MySQL Database: ".$host{$local.'_mysql'} |
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} |
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# connections |
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if ($host{$local.'_notconnected'}) { |
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print "<br />Not connected: "; |
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foreach (split(/ /,$host{$local.'_notconnected'})) { |
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if ($_) { |
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print " <a href='#$_'>$_</a>"; |
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} |
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} |
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} |
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# errors |
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if ($host{$local.'_errors'}) { |
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print "<br />loncron errors: ".$host{$local.'_errors'}; |
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} |
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print "</td></tr><tr><td bgcolor='#DDDDDD'>"; |
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&allreroutes($local); |
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print "</td></tr></table><br />"; |
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} |
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# =========================================================== Doomedness sorted |
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sub doomedness { |
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my $crit=shift; |
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my %alldoomed=(); |
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my @allhosts=(); |
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foreach (keys %host) { |
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if ($_=~/^(\w+)\_$crit$/) { |
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if ($host{$_}) { |
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push (@allhosts,$1); |
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$alldoomed{$1}=$host{$_}; |
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} |
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} |
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} |
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return sort { $alldoomed{$b} <=> $alldoomed{$a} } @allhosts; |
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} |
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sub resetvars { |
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$maxusers=0; |
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$maxload=0; |
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$totalusers=0; |
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$stat_total=0; |
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$stat_notyet=0; |
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$stat_fromcache=0; |
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$concount=0; |
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undef %host; |
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%host=(); |
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} |
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sub mainloop { |
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&resetvars(); |
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# ==================================================== Main Loop over all Hosts |
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foreach my $local (sort keys %hostname) { |
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$host{$local.'_unresponsive_doomed'}=0; |
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# -- Check general status |
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&statuslist($local,'General'); |
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my %loncron=&replyhash($local,'/lon-status/loncron_simple.txt',1200); |
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if (defined($loncron{'local_error'})) { |
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$host{$local.'_loncron'}='Could not determine.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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if ((time-$loncron{'time'})>$oneday) { |
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$host{$local.'_loncron'}='Stale.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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$host{$local.'_loncron_doomed'}=$loncron{'notices'} |
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+4*$loncron{'warnings'} |
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+100*$loncron{'errors'}; |
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$host{$local.'_errors'}=$loncron{'errors'}; |
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} |
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} |
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# -- Check version |
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&statuslist($local,'Version'); |
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my $version=&request($local,'/lon-status/version.txt',7200); |
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if ($version eq 'local_error') { |
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$host{$local.'_version'}='Could not determine.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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$host{$local.'_version'}=$version; |
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} |
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# -- Check user status |
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&statuslist($local,'Users'); |
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my %userstatus=&replyhash($local,'/cgi-bin/userstatus.pl?simple',600); |
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if (defined($userstatus{'local_error'})) { |
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$host{$local.'_userstatus'}='Could not determine.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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$host{$local.'_users_doomed'}=$userstatus{'Active'}; |
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$host{$local.'_users'}=$userstatus{'Active'}; |
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unless ($host{$local.'_users'}) { $host{$local.'_users'}=0; } |
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if ($host{$local.'_users'}>$maxusers) { |
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$maxusers=$host{$local.'_users'}; |
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} |
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$totalusers+=$host{$local.'_users'}; |
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my ($sload,$mload,$lload)=split(/ /,$userstatus{'loadavg'}); |
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$host{$local.'_load_doomed'}=$mload; |
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if ($mload>$maxload) { |
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$maxload=$mload; |
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} |
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$host{$local.'_load'}=$userstatus{'loadavg'}; |
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} |
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# -- Check reroute status |
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&statuslist($local,'Reroute'); |
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my %reroute=&replyhash($local,'/lon-status/reroute.txt',1800); |
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if ($reroute{'status'} eq 'rerouting') { |
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if ($reroute{'server'}) { |
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$host{$local.'_reroute'}= |
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'Rerouting to <tt>'.$reroute{'server'}. |
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'</tt>, domain: '.$reroute{'domain'}. |
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' (since '.localtime($reroute{'time'}).')'; |
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} else { |
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$host{$local.'_reroute'}='offline'; |
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} |
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} |
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# -- Check mysql status |
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&statuslist($local,'Database'); |
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my %mysql=&replyhash($local,'/lon-status/mysql.txt',3600); |
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if (defined($mysql{'local_error'})) { |
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$host{$local.'_mysql'}='Could not determine.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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if ((time-$mysql{'time'})>(7*$oneday)) { |
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if ($hostrole{$local} eq 'library') { |
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$host{$local.'_mysql'}='Stale.'; |
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$host{$local.'_mysql_doomed'}=1; |
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} |
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if ($mysql{'mysql'} eq 'defunct') { |
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$host{$local.'_mysql'}='Defunct (maybe stale).'; |
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$host{$local.'_mysql_doomed'}=2; |
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} |
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} elsif ($mysql{'mysql'} eq 'defunct') { |
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$host{$local.'_mysql'}='Defunct.'; |
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$host{$local.'_mysql_doomed'}=3; |
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} |
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} |
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# -- Check rpm status |
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&statuslist($local,'RPMs'); |
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my %checkrpms=&replyhash($local,'/lon-status/checkrpms.txt',7200); |
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if (defined($checkrpms{'local_error'})) { |
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$host{$local.'_checkrpms'}='Could not determine.'; |
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$host{$local.'_unresponsive_doomed'}++; |
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} else { |
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if ((time-$checkrpms{'time'})>(4*$oneday)) { |
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$host{$local.'_checkrpms'}='Stale.'; |
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$host{$local.'_checkrpms_doomed'}=50; |
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$host{$local.'_unresponsive_doomed'}++; |
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} elsif ($checkrpms{'status'} eq 'fail') { |
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$host{$local.'_checkrpms'}='Could not checked RPMs.'; |
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$host{$local.'_checkrpms_doomed'}=100; |
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} elsif ($checkrpms{'rpmcount'}) { |
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$host{$local.'_checkrpms'}='Outdated RPMs: '. |
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$checkrpms{'rpmcount'}; |
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$host{$local.'_checkrpms_doomed'}=$checkrpms{'rpmcount'}; |
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} |
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} |
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# -- Check connections |
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&statuslist($local,'Connections'); |
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$host{$local.'_notconnected'}=''; |
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$host{$local.'_notconnected_doomed'}=0; |
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foreach my $remote (sort keys %hostname) { |
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my $status=&connected($local,$remote); |
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$connectionstatus{$local.'_TO_'.$remote}=$status; |
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unless (($status eq 'ok') || ($status eq 'not_yet')) { |
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$host{$local.'_notconnected'}.=' '.$remote; |
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$host{$local.'_notconnected_doomed'}++; |
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} |
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} |
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# =============================================================== End Main Loop |
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} |
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} |
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sub reports { |
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# ====================================================================== Output |
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if ($mode=~/\_doomed$/) { |
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# Output by doomedness |
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foreach (&doomedness($mode)) { |
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&serverstatus($_); |
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} |
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} elsif ($mode eq 'connections') { |
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print |
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"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>". |
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"<tr><td bgcolor='#225522'> </td>"; |
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foreach my $remote (sort keys %hostname) { |
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print '<td bgcolor="#DDDDBB">'.$remote.'</td>'; |
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} |
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print "</tr>\n"; |
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# connection matrix |
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foreach my $local (sort keys %hostname) { |
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print '<tr><td bgcolor="#DDDDBB">'.$local.'</td>'; |
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foreach my $remote (sort keys %hostname) { |
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if ($connectionstatus{$local.'_TO_'.$remote} eq 'not_yet') { |
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my $cellcolor='#FFFFFF'; |
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if ($local eq $remote) { $cellcolor='#DDDDDD'; } |
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print '<td bgcolor="'.$cellcolor.'"><font color="#555522" size="-2">not yet tested</font></td>'; |
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} elsif ($connectionstatus{$local.'_TO_'.$remote} eq 'ok') { |
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my $cellcolor='#BBDDBB'; |
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if ($local eq $remote) { $cellcolor='#99DD99'; } |
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print |
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'<td bgcolor="'.$cellcolor.'"><font color="#225522" face="arial"><b>ok</b></td>'; |
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} else { |
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my $cellcolor='#DDCCAA'; |
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if ($connectionstatus{$local.'_TO_'.$remote} eq 'local_error') { |
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if ($local eq $remote) { |
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$cellcolor='#DD88AA'; |
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} else { |
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$cellcolor='#DDAACC'; |
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} |
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} else { |
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if ($local eq $remote) { $cellcolor='#DDBB77'; } |
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} |
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print |
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'<td bgcolor="'.$cellcolor.'"><font color="#552222" size="-2">'. |
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$connectionstatus{$local.'_TO_'.$remote}.'<br />'; |
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&lonc($local); &lond($remote); |
|
print '</td>'; |
|
} |
|
} |
|
print "</tr>\n"; |
|
} |
|
print "</table>"; |
|
} elsif ($mode eq 'users') { |
|
# Users |
|
if ($maxusers) { |
|
my $factor=50/$maxusers; |
|
print "<h3>Total active user(s): $totalusers</h3>". |
|
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
|
|
|
foreach my $local (sort keys %hostname) { |
|
if (defined($host{$local.'_users'})) { |
|
print |
|
'<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.$local. |
|
'</font><br /><font size="-2">'. |
|
$domaindescription{$hostdom{$local}}. |
|
'</font></td><td bgcolor="#DDDDBB">'; |
|
&users($local); |
|
print |
|
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
|
$host{$local.'_users'}.'</font></td><td bgcolor="#DDDDBB"'; |
|
&bar($factor*$host{$local.'_users'}); |
|
print "</td></tr>\n"; |
|
} |
|
} |
|
print "</table>"; |
|
} else { |
|
print "No active users logged in."; |
|
} |
|
} elsif ($mode eq 'load') { |
|
# Load |
|
if ($maxload) { |
|
my $factor=50/$maxload; |
|
print |
|
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
|
foreach my $local (sort keys %hostname) { |
|
if (defined($host{$local.'_load_doomed'})) { |
|
print |
|
'<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'. |
|
$local. |
|
'</font><br /><font size="-2">'. |
|
$domaindescription{$hostdom{$local}}. |
|
'</font></td><td bgcolor="#DDDDBB">'; |
|
&server($local); |
|
print |
|
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
|
$host{$local.'_load_doomed'}.'</font></td><td bgcolor="#DDDDBB"'; |
|
&bar($factor*$host{$local.'_load_doomed'}); |
|
print "</td></tr>\n"; |
|
} |
|
} |
|
print "</table>"; |
|
} else { |
|
print "No workload."; |
|
} |
|
} elsif ($mode eq 'trouble') { |
|
my $count=0; |
|
foreach my $local (sort keys %hostname) { |
|
my $trouble=''; |
|
if ($host{$local.'_unresponsive_doomed'}>3) { |
|
$trouble='Does not respond to several queries.<br />'; |
|
} |
|
if ($host{$local.'_errors'}) { |
|
$trouble='Has loncron errors.<br />'; |
|
} elsif ($host{$local.'_loncron_doomed'}>2500) { |
|
$trouble='High loncron count.<br />'; |
|
} |
|
if ($host{$local.'_load_doomed'}>5) { |
|
$trouble='High load.<br />'; |
|
} |
|
if ($host{$local.'_users_doomed'}>200) { |
|
$trouble='High user volume.<br />'; |
|
} |
|
if ($host{$local.'_mysql_doomed'}>1) { |
|
$trouble='MySQL database apparently offline.<br />'; |
|
} |
|
if ($host{$local.'_checkrpms_doomed'}>100) { |
|
$trouble='RPMs outdated.<br />'; |
|
} |
|
if ($host{$local.'_reroute'}) { |
|
$trouble='Rerouting<br >'; |
|
} |
|
if ($trouble) { $count++; &serverstatus($local,$trouble); } |
|
} |
|
unless ($count) { print "No mayor trouble."; } |
|
} |
|
} |
|
|
|
# ====================================================================== Status |
|
sub statuslist { |
|
my ($local,$what)=@_; |
|
print |
|
"<script>document.prgstat.progress.value='Testing $local ($hostname{$local}): $what';</script>\n"; |
|
} |
|
|
|
# ============================================================================= |
|
# ============================================================================= |
|
# Main program |
|
# |
|
# ========================================================= Get form parameters |
|
my $buffer; |
|
|
|
read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'}); |
|
my @pairs=split(/&/,$buffer); |
|
my $pair; my $name; my $value; |
|
undef %FORM; |
|
%FORM=(); |
|
foreach $pair (@pairs) { |
|
($name,$value) = split(/=/,$pair); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
$FORM{$name}=$value; |
|
} |
|
|
|
$buffer=$ENV{'QUERY_STRING'}; |
|
@pairs=split(/&/,$buffer); |
|
foreach $pair (@pairs) { |
|
($name,$value) = split(/=/,$pair); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
$FORM{$name}=$value; |
|
} |
|
|
|
# ====================================================== Determine refresh rate |
|
|
|
my $refresh=(($FORM{'refresh'}=~/^\d+$/)?$FORM{'refresh'}:30); |
|
if ($refresh<30) { $refresh=30; } |
|
my $starttime=time; |
|
|
|
# ============================================================== Determine mode |
|
|
|
my %modes=('trouble' => 'Trouble', |
|
'users_doomed' => 'Doomed: Users', |
|
'loncron_doomed' => 'Doomed: General (loncron)', |
|
'mysql_doomed' => 'Doomed: Database (mysql)', |
|
'notconnected_doomed' => 'Doomed: Connections', |
|
'checkrpms_doomed' => 'Doomed: RPMs', |
|
'load_doomed' => 'Doomed: Load', |
|
'unresponsive_doomed' => 'Doomed: Status could not be determined', |
|
'users' => 'User Report', |
|
'load' => 'Load Report', |
|
'connections' => 'Connections Matrix'); |
|
|
|
$mode=$FORM{'mode'}; |
|
unless ($modes{$mode}) { $mode='trouble'; } |
|
# ================================================================ Send Headers |
print "Content-type: text/html\n\n". |
print "Content-type: text/html\n\n". |
"<html><body bgcolor=#FFFFFF>\n"; |
"<html><body bgcolor='#FFFFFF'>\n"; |
# -------------------- Read loncapa.conf (and by default, loncapa_apache.conf). |
# -------------------- Read loncapa.conf (and by default, loncapa_apache.conf). |
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
my %perlvar=%{$perlvarref}; |
%perlvar=%{$perlvarref}; |
undef $perlvarref; # remove since sensitive and not needed |
undef $perlvarref; # remove since sensitive and not needed |
delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed |
delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed |
Line 65 delete $perlvar{'lonSqlAccess'}; # remov
|
Line 705 delete $perlvar{'lonSqlAccess'}; # remov
|
{ |
{ |
my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
|
|
$total=0; |
|
while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
|
$configline=~s/#.*$//; |
|
unless ($configline=~/\w/) { next; } |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
$hostname{$id}=$name; |
$hostname{$id}=$name; |
$hostdom{$id}=$domain; |
$hostdom{$id}=$domain; |
$hostrole{$id}=$role; |
$hostrole{$id}=$role; |
$hostip{$id}=$ip; |
$hostip{$id}=$ip; |
$total++; |
|
if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { |
if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { |
$libserv{$id}=$name; |
$libserv{$id}=$name; |
} |
} |
} |
} |
} |
} |
|
# ------------------------------------------------------------ Read domain file |
print |
{ |
"<h1>Cluster Status</h1>"; |
my $fh=IO::File->new($perlvar{'lonTabDir'}.'/domain.tab'); |
print "Please be patient while building cluster status ...<p>\n"; |
if ($fh) { |
$table=''; |
while (<$fh>) { |
|
next if (/^(\#|\s*$)/); |
$table.="<table border=2><tr><th rowspan=2>From (local)</th>". |
chomp; |
"<th colspan=$total>To (remote)</th></tr><tr>"; |
my ($domain, $domain_description, $def_auth, $def_auth_arg, |
foreach $remote (sort keys %hostname) { |
$def_lang, $city, $longi, $lati) = split(/:/,$_); |
$table.="<th"; |
$domain_auth_def{$domain}=$def_auth; |
if ($remote eq $perlvar{'lonHostID'}) { |
$domain_auth_arg_def{$domain}=$def_auth_arg; |
$table.=" bgcolor=#CCFFBB"; |
$domaindescription{$domain}=$domain_description; |
} else { |
$domain_lang_def{$domain}=$def_lang; |
if ($libserv{$remote}) { $table.=" bgcolor=#FFFF99"; } |
$domain_city{$domain}=$city; |
} |
$domain_longi{$domain}=$longi; |
$table.= |
$domain_lati{$domain}=$lati; |
"><a href=http://".$hostname{$remote}."/lon-status/>$remote</a></th>"; |
|
} |
|
$table.="</tr>"; |
|
foreach $local (sort keys %hostname) { |
|
print "Checking $local "; |
|
$table.="<tr><td"; |
|
if ($local eq $perlvar{'lonHostID'}) { |
|
$table.=" bgcolor=#CCFFBB"; |
|
} else { |
|
if ($libserv{$local}) { $table.=" bgcolor=#FFFF99"; } |
|
} |
|
$table.= |
|
"><b><a href=http://".$hostname{$local}."/lon-status/>$local</a></b><br>". |
|
$hostrole{$local}.' '.$hostdom{$local}.'<br>'. |
|
"<tt><a href=http://".$hostname{$local}."/server-status/>". |
|
$hostname{$local}."</a></tt><br>". |
|
"<a href=http://".$hostname{$local}."/cgi-bin/loncron.pl>New Report</a>". |
|
"</td>"; |
|
if (&online($hostname{$local})) { |
|
foreach $remote (sort keys %hostname) { |
|
$status=&connected($local,$remote); |
|
if ($status eq 'ok') { |
|
$table.="<td"; |
|
if ($libserv{$remote}) { |
|
if ($libserv{$local}) { |
|
$table.=" bgcolor=#FFFF44"; |
|
} else { |
|
$table.=" bgcolor=#FFFF99"; |
|
} |
|
} elsif ($libserv{$local}) { |
|
$table.=" bgcolor=#FFFF99"; |
|
} |
|
$table.="><b><font color=#00FF00>OK</font></b></td>"; |
|
print "."; |
|
} else { |
|
print "X"; |
|
$table.="<td><b><font color=#FF0000>".$status."</font></b><br>". |
|
"<a href=http://".$hostname{$local}. |
|
"/lon-status/loncstatus.txt>lonc</a>"; |
|
if (&online($hostname{$remote})) { |
|
$table.=" <a href=http://".$hostname{$remote}. |
|
"/lon-status/londstatus.txt>lond</a>". |
|
"</td>"; |
|
} else { |
|
$table.=' offline'; |
|
} |
|
|
|
} |
} |
} |
} |
} else { |
} |
print "offline"; |
|
$table.='<th colspan='.$total.'><font color=#FF0000>Offline</font></th>'; |
print "<img src='/adm/lonIcons/lonlogos.gif' align='right' /><h1>LON-CAPA Cluster Status ".localtime()."</h1>"; |
} |
print "<form name='prgstat'>\n". |
$table.="</tr>\n"; |
"<input type='text' name='progress' value='Starting ...' size='100' /><br />". |
print "<br>\n"; |
"</form>\n";; |
} |
print "<form name='status' method='post'>\n"; |
$table.="</table>"; |
print 'Choose next report: '.&select_form($mode,'mode',%modes).'<hr />'; |
print $table; |
&hidden('refresh',$refresh); |
print "</body></html>"; |
|
|
if (!$FORM{'runonetime'}) { |
|
print |
|
"<h3>Gathering initial cluster data</h3>This may take some time ...<br />"; |
|
$fromcache=0; |
|
&mainloop(); |
|
&statuslist('Done initial run.'); |
|
&reports(); |
|
} else { |
|
$fromcache=1; |
|
&mainloop(); |
|
&statuslist('Done gathering cached data'); |
|
&reports(); |
|
$fromcache=0; |
|
&mainloop(); |
|
} |
|
&hidden('runonetime',1); |
|
print '<tt><br />Total number of queries: '.$stat_total. |
|
'<br />Percent complete: '. |
|
int(($stat_total-$stat_notyet)/$stat_total*100.). |
|
'<br />Percent from cache: '. |
|
int($stat_fromcache/$stat_total*100.).'</tt>'; |
|
|
|
# ============================================================== Close, refresh |
|
print "</form><script>"; |
|
my $runtime=time-$starttime; |
|
if (($refresh-$runtime)<0) { |
|
print "document.status.submit();"; |
|
} else { |
|
my $refreshtime=int(1000*($refresh-$runtime)); |
|
print "setTimeout('document.status.submit()',$refreshtime);\n". |
|
"document.prgstat.progress.value='Will automatically refresh ($refresh secs refresh cycle)'"; |
|
} |
|
print "</script></body></html>"; |
|
exit 0; |