version 1.15, 2003/08/05 12:52:23
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version 1.16, 2003/08/05 18:33:08
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Line 7 $|=1;
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Line 7 $|=1;
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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; |
Line 20 my %perlvar=();
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Line 21 my %perlvar=();
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my $mode; |
my $mode; |
my $concount=0; |
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 %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 $stat_fromcache=0; |
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sub select_form { |
sub select_form { |
my ($def,$name,%hash) = @_; |
my ($def,$name,%hash) = @_; |
Line 51 sub request {
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Line 73 sub request {
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$cachetime*=(0.5+rand); |
$cachetime*=(0.5+rand); |
my $key=&key($local,$url); |
my $key=&key($local,$url); |
my $reply=''; |
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 |
if ($FORM{$key.'_time'}) { |
if ($FORM{$key.'_time'}) { |
if ((time-$FORM{$key.'_time'})<$cachetime) { |
if ((time-$FORM{$key.'_time'})<$cachetime) { |
$reply=$FORM{$key}; |
$reply=$FORM{$key}; |
&hidden($key.'_time',$FORM{$key.'_time'}); |
&hidden($key.'_time',$FORM{$key.'_time'}); |
&hidden($key.'_fromcache',1); |
$stat_fromcache++; |
} |
} |
} |
} |
unless ($reply) { |
unless ($reply) { |
Line 97 sub connected {
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Line 131 sub connected {
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# but always do the first five. |
# but always do the first five. |
# |
# |
unless ($FORM{&key($local,$url)}) { |
unless ($FORM{&key($local,$url)}) { |
unless (($concount<=5) || (rand>0.95)) { |
unless (($concount<=5) || (rand>0.95)) { |
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$stat_total++; |
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$stat_notyet++; |
return 'not_yet'; |
return 'not_yet'; |
} else { |
} else { |
$concount++; |
$concount++; |
Line 260 sub doomedness {
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Line 296 sub doomedness {
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return sort { $alldoomed{$b} <=> $alldoomed{$a} } @allhosts; |
return sort { $alldoomed{$b} <=> $alldoomed{$a} } @allhosts; |
} |
} |
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# ====================================================================== Status |
sub resetvars { |
sub statuslist { |
$maxusers=0; |
my ($local,$what)=@_; |
$maxload=0; |
print |
$totalusers=0; |
"<script>document.prgstat.progress.value='Testing $local ($hostname{$local}): $what';</script>\n"; |
$stat_total=0; |
} |
$stat_notyet=0; |
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$stat_fromcache=0; |
# |
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# Main program |
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# |
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# ========================================================= Get form parameters |
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my $buffer; |
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read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'}); |
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my @pairs=split(/&/,$buffer); |
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my $pair; my $name; my $value; |
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undef %FORM; |
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%FORM=(); |
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foreach $pair (@pairs) { |
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($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$FORM{$name}=$value; |
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} |
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$buffer=$ENV{'QUERY_STRING'}; |
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@pairs=split(/&/,$buffer); |
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foreach $pair (@pairs) { |
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($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$FORM{$name}=$value; |
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} |
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# ====================================================== Determine refresh rate |
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my $refresh=(($FORM{'refresh'}=~/^\d+$/)?$FORM{'refresh'}:120); |
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if ($refresh<30) { $refresh=30; } |
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my $starttime=time; |
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# ============================================================== Determine mode |
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my %modes=('trouble' => 'Trouble', |
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'users_doomed' => 'Doomed: Users', |
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'loncron_doomed' => 'Doomed: General (loncron)', |
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'mysql_doomed' => 'Doomed: Database (mysql)', |
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'notconnected_doomed' => 'Doomed: Connections', |
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'checkrpms_doomed' => 'Doomed: RPMs', |
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'load_doomed' => 'Doomed: Load', |
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'unresponsive_doomed' => 'Doomed: Status could not be determined', |
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'users' => 'User Report', |
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'load' => 'Load Report', |
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'connections' => 'Connections Matrix'); |
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$mode=$FORM{'mode'}; |
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unless ($modes{$mode}) { $mode='trouble'; } |
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# ================================================================ Send Headers |
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print "Content-type: text/html\n\n". |
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"<html><body bgcolor='#FFFFFF'>\n"; |
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# -------------------- Read loncapa.conf (and by default, loncapa_apache.conf). |
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my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
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%perlvar=%{$perlvarref}; |
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undef $perlvarref; # remove since sensitive and not needed |
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delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
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delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed |
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# ------------------------------------------------------------- Read hosts file |
undef %host; |
{ |
%host=(); |
my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
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$total=0; |
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while (my $configline=<$config>) { |
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$configline=~s/#.*$//; |
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unless ($configline=~/\w/) { next; } |
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my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
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$hostname{$id}=$name; |
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$hostdom{$id}=$domain; |
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$hostrole{$id}=$role; |
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$hostip{$id}=$ip; |
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$total++; |
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if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { |
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$libserv{$id}=$name; |
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} |
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} |
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} |
} |
# ------------------------------------------------------------ Read domain file |
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{ |
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my $fh=IO::File->new($perlvar{'lonTabDir'}.'/domain.tab'); |
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%domaindescription = (); |
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%domain_auth_def = (); |
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%domain_auth_arg_def = (); |
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if ($fh) { |
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while (<$fh>) { |
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next if (/^(\#|\s*$)/); |
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chomp; |
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my ($domain, $domain_description, $def_auth, $def_auth_arg) |
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= split(/:/,$_,4); |
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$domain_auth_def{$domain}=$def_auth; |
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$domain_auth_arg_def{$domain}=$def_auth_arg; |
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$domaindescription{$domain}=$domain_description; |
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} |
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} |
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} |
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print "<img src='/adm/lonIcons/lonlogos.gif' align='right' /><h1>LON-CAPA Cluster Status ".localtime()."</h1>"; |
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print "<form name='prgstat'>\n". |
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"<input type='text' name='progress' value='Starting ...' size='100' /><br />". |
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"</form>\n";; |
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print "<form name='status' method='post'>\n"; |
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print 'Choose next report: '.&select_form($mode,'mode',%modes).'<hr />'; |
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&hidden('refresh',$refresh); |
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sub mainloop { |
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&resetvars(); |
# ==================================================== Main Loop over all Hosts |
# ==================================================== Main Loop over all Hosts |
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my $maxusers=0; |
foreach my $local (sort keys %hostname) { |
my $maxload=0; |
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my $totalusers=0; |
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foreach $local (sort keys %hostname) { |
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$host{$local.'_unresponsive_doomed'}=0; |
$host{$local.'_unresponsive_doomed'}=0; |
# -- Check general status |
# -- Check general status |
&statuslist($local,'General'); |
&statuslist($local,'General'); |
Line 472 foreach $local (sort keys %hostname) {
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Line 406 foreach $local (sort keys %hostname) {
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&statuslist($local,'Connections'); |
&statuslist($local,'Connections'); |
$host{$local.'_notconnected'}=''; |
$host{$local.'_notconnected'}=''; |
$host{$local.'_notconnected_doomed'}=0; |
$host{$local.'_notconnected_doomed'}=0; |
foreach $remote (sort keys %hostname) { |
foreach my $remote (sort keys %hostname) { |
my $status=&connected($local,$remote); |
my $status=&connected($local,$remote); |
$connectionstatus{$local.'_TO_'.$remote}=$status; |
$connectionstatus{$local.'_TO_'.$remote}=$status; |
unless (($status eq 'ok') || ($status eq 'not_yet')) { |
unless (($status eq 'ok') || ($status eq 'not_yet')) { |
Line 480 foreach $local (sort keys %hostname) {
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Line 414 foreach $local (sort keys %hostname) {
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$host{$local.'_notconnected_doomed'}++; |
$host{$local.'_notconnected_doomed'}++; |
} |
} |
} |
} |
# =============================================================== End Mail Loop |
# =============================================================== End Main Loop |
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} |
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} |
} |
&statuslist('Done.'); |
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sub reports { |
# ====================================================================== Output |
# ====================================================================== Output |
if ($mode=~/\_doomed$/) { |
if ($mode=~/\_doomed$/) { |
# Output by doomedness |
# Output by doomedness |
Line 538 foreach $local (sort keys %hostname) {
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Line 475 foreach $local (sort keys %hostname) {
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print "<h3>Total active user(s): $totalusers</h3>". |
print "<h3>Total active user(s): $totalusers</h3>". |
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
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foreach $local (sort keys %hostname) { |
foreach my $local (sort keys %hostname) { |
if (defined($host{$local.'_users'})) { |
if (defined($host{$local.'_users'})) { |
print |
print |
'<tr><th bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.$local. |
'<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'.$local. |
'</font></th><td bgcolor="#DDDDBB">'; |
'</font><br /><font size="-2">'. |
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$domaindescription{$hostdom{$local}}. |
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'</font></td><td bgcolor="#DDDDBB">'; |
&users($local); |
&users($local); |
print |
print |
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
Line 561 foreach $local (sort keys %hostname) {
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Line 500 foreach $local (sort keys %hostname) {
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my $factor=50/$maxload; |
my $factor=50/$maxload; |
print |
print |
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
"<table cellspacing='3' cellpadding='3' border='0' bgcolor='#225522'>"; |
foreach $local (sort keys %hostname) { |
foreach my $local (sort keys %hostname) { |
if (defined($host{$local.'_load_doomed'})) { |
if (defined($host{$local.'_load_doomed'})) { |
print |
print |
'<tr><th bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'. |
'<tr><td bgcolor="#BBDDBB"><font face="arial" color="#225522" size="+1">'. |
$local. |
$local. |
'</font></th><td bgcolor="#DDDDBB">'; |
'</font><br /><font size="-2">'. |
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$domaindescription{$hostdom{$local}}. |
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'</font></td><td bgcolor="#DDDDBB">'; |
&server($local); |
&server($local); |
print |
print |
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
'</td><td bgcolor="#DDDDBB"><font face="arial" color="#225522">'. |
Line 581 foreach $local (sort keys %hostname) {
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Line 522 foreach $local (sort keys %hostname) {
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} |
} |
} elsif ($mode eq 'trouble') { |
} elsif ($mode eq 'trouble') { |
my $count=0; |
my $count=0; |
foreach $local (sort keys %hostname) { |
foreach my $local (sort keys %hostname) { |
my $trouble=''; |
my $trouble=''; |
if ($host{$local.'_unresponsive_doomed'}>3) { |
if ($host{$local.'_unresponsive_doomed'}>3) { |
$trouble='Does not respond to several queries.<br />'; |
$trouble='Does not respond to several queries.<br />'; |
Line 607 foreach $local (sort keys %hostname) {
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Line 548 foreach $local (sort keys %hostname) {
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} |
} |
unless ($count) { print "No mayor trouble."; } |
unless ($count) { print "No mayor trouble."; } |
} |
} |
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} |
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# ====================================================================== Status |
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sub statuslist { |
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my ($local,$what)=@_; |
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print |
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"<script>document.prgstat.progress.value='Testing $local ($hostname{$local}): $what';</script>\n"; |
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} |
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# ============================================================================= |
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# ============================================================================= |
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# Main program |
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# |
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# ========================================================= Get form parameters |
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my $buffer; |
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read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'}); |
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my @pairs=split(/&/,$buffer); |
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my $pair; my $name; my $value; |
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undef %FORM; |
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%FORM=(); |
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foreach $pair (@pairs) { |
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($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$FORM{$name}=$value; |
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} |
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$buffer=$ENV{'QUERY_STRING'}; |
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@pairs=split(/&/,$buffer); |
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foreach $pair (@pairs) { |
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($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$FORM{$name}=$value; |
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} |
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# ====================================================== Determine refresh rate |
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my $refresh=(($FORM{'refresh'}=~/^\d+$/)?$FORM{'refresh'}:30); |
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if ($refresh<30) { $refresh=30; } |
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my $starttime=time; |
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# ============================================================== Determine mode |
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my %modes=('trouble' => 'Trouble', |
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'users_doomed' => 'Doomed: Users', |
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'loncron_doomed' => 'Doomed: General (loncron)', |
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'mysql_doomed' => 'Doomed: Database (mysql)', |
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'notconnected_doomed' => 'Doomed: Connections', |
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'checkrpms_doomed' => 'Doomed: RPMs', |
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'load_doomed' => 'Doomed: Load', |
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'unresponsive_doomed' => 'Doomed: Status could not be determined', |
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'users' => 'User Report', |
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'load' => 'Load Report', |
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'connections' => 'Connections Matrix'); |
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$mode=$FORM{'mode'}; |
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unless ($modes{$mode}) { $mode='trouble'; } |
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# ================================================================ Send Headers |
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print "Content-type: text/html\n\n". |
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"<html><body bgcolor='#FFFFFF'>\n"; |
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# -------------------- Read loncapa.conf (and by default, loncapa_apache.conf). |
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my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
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%perlvar=%{$perlvarref}; |
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undef $perlvarref; # remove since sensitive and not needed |
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delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
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delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed |
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# ------------------------------------------------------------- Read hosts file |
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{ |
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my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
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while (my $configline=<$config>) { |
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$configline=~s/#.*$//; |
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unless ($configline=~/\w/) { next; } |
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my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
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$hostname{$id}=$name; |
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$hostdom{$id}=$domain; |
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$hostrole{$id}=$role; |
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$hostip{$id}=$ip; |
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if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { |
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$libserv{$id}=$name; |
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} |
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} |
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} |
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# ------------------------------------------------------------ Read domain file |
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{ |
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my $fh=IO::File->new($perlvar{'lonTabDir'}.'/domain.tab'); |
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if ($fh) { |
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while (<$fh>) { |
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next if (/^(\#|\s*$)/); |
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chomp; |
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my ($domain, $domain_description, $def_auth, $def_auth_arg) |
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= split(/:/,$_,4); |
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$domain_auth_def{$domain}=$def_auth; |
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$domain_auth_arg_def{$domain}=$def_auth_arg; |
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$domaindescription{$domain}=$domain_description; |
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} |
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} |
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} |
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print "<img src='/adm/lonIcons/lonlogos.gif' align='right' /><h1>LON-CAPA Cluster Status ".localtime()."</h1>"; |
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print "<form name='prgstat'>\n". |
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"<input type='text' name='progress' value='Starting ...' size='100' /><br />". |
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"</form>\n";; |
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print "<form name='status' method='post'>\n"; |
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print 'Choose next report: '.&select_form($mode,'mode',%modes).'<hr />'; |
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&hidden('refresh',$refresh); |
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if (!$FORM{'runonetime'}) { |
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print |
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"<h3>Gathering initial cluster data</h3>This may take some time ...<br />"; |
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$fromcache=0; |
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&mainloop(); |
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&statuslist('Done initial run.'); |
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&reports(); |
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} else { |
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$fromcache=1; |
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&mainloop(); |
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&statuslist('Done gathering cached data'); |
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&reports(); |
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$fromcache=0; |
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&mainloop(); |
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} |
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&hidden('runonetime',1); |
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print '<tt><br />Total number of queries: '.$stat_total. |
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'<br />Percent complete: '. |
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int(($stat_total-$stat_notyet)/$stat_total*100.). |
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'<br />Percent from cache: '. |
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int($stat_fromcache/$stat_total*100.).'</tt>'; |
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# ============================================================== Close, refresh |
# ============================================================== Close, refresh |
print "</form><script>"; |
print "</form><script>"; |
$runtime=time-$starttime; |
my $runtime=time-$starttime; |
if (($refresh-$runtime)<30) { |
if (($refresh-$runtime)<0) { |
print "setTimeout('document.status.submit()',30000);\n". |
print "document.status.submit();"; |
"document.prgstat.progress.value='Will automatically refresh.'"; |
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} else { |
} else { |
$refreshtime=int(1000*($refresh-$runtime)); |
my $refreshtime=int(1000*($refresh-$runtime)); |
print "setTimeout('document.status.submit()',$refreshtime);\n". |
print "setTimeout('document.status.submit()',$refreshtime);\n". |
"document.prgstat.progress.value='Will automatically refresh ($refresh secs refresh cycle)'"; |
"document.prgstat.progress.value='Will automatically refresh ($refresh secs refresh cycle)'"; |
} |
} |