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#!@@PERL@@ @@PERLOPTS@@
# datapage-alert-writer - write datapages showing alert statuses
# $Id: datapage-alert-writer.pl,v 1.4 2003/05/15 11:58:05 remstats Exp $
# from remstats @@VERSION@@
# Copyright 2001, 2002 (c) Thomas Erskine <@@AUTHOR@@>
# See the COPYRIGHT file with the distribution.
# - - - Configuration - - -
use strict;
# What is this program called, for error-messages and file-names
$main::prog = 'datapage-alert-writer';
# Where is the default configuration dir
$main::config_dir = '@@CONFIGDIR@@';
# - - - Version History - - -
$main::version = (split(' ', '$Revision: 1.4 $'))[1];
# - - - Setup - - -
use lib '.', '@@LIBDIR@@', '@@RRDLIBDIR@@';
use Getopt::Std;
use RRDs;
require "remstats.pl";
require "htmlstuff.pl";
# Parse the command-line
my %opt = ();
getopts('d:f:h', \%opt);
if (defined $opt{'h'}) { &usage; } # no return
if (defined $opt{'d'}) { $main::debug = $opt{'d'}; } else { $main::debug = 0; }
if (defined $opt{'f'}) { $main::config_dir = $opt{'f'}; }
# No buffering when debugging
if ($main::debug) { $| = 1; }
&read_config_dir( $main::config_dir, 'general', 'links', 'colors',
'tools', 'times', 'html', 'oids', 'rrds', 'groups', 'host-templates',
'hosts');
# Collect the hosts in Group order
my %hosts = ();
my @hosts = ();
my ($group, $host, $status);
foreach $group (@{$main::config{GROUPS}}) {
# In case there is a group with no hosts
next unless (@{$main::config{GROUP}{$group}});
push @hosts, @{$main::config{GROUP}{$group}};
}
undef %hosts;
# Get the indices
%main::indices = &init_indices;
%main::upindices = %main::indices;
# - - - Mainline - - -
my( $last_group, $ip, $fixed_group, $group_file, $header_bar, $html, $top,
$realrrd, $wildpart, $wildrrd, $fixedrrd, $var, $varname,
$rrdhtml, $found_var, $desc);
my $alert_index = $main::config{DATAPAGEDIR} .'/alert-index.page';
open( ALERT_INDEX, ">$alert_index") or
&abort("can't open $alert_index");
my $alert_html = "<DATAPAGE::HEADER Alert Index>\n\n";
$last_group = '';
my $group_bar = '';
foreach $host( @hosts) {
$ip = &get_ip( $host);
next unless( defined $ip);
$group = $main::config{HOST}{$host}{GROUP};
if( $group ne $last_group) {
$last_group = $group;
$fixed_group = &to_filename( $group) . '.html';
$group_file= $main::config{HTMLDIR} .'/'. $fixed_group;
if( -f $group_file) {
$group = "<NOBR><A HREF=\"$fixed_group\">$group</A></NOBR>";
$main::upindices{$main::config{HTML}{GROUPINDEX}} = '../' .
$fixed_group;
}
else { undef $main::upindices{$main::config{HTML}{GROUPINDEX}}; }
$header_bar = &header_bar( $group);
$alert_html .= $group_bar . "\n<H2>$group</H2>\n";
$group_bar = "<HR>\n";
}
if( defined $main::config{HOST}{$host}{DESC}) {
$desc = ' - ' . $main::config{HOST}{$host}{DESC};
}
else { $desc = ''; }
$html = '<TABLE BORDER=0 WIDTH="100%"><TR>' .
'<TD BGCOLOR="#CCCCCC"><FONT SIZE="+1"><A HREF="' .
&make_host_index_url( $host) . '"><B>' . $host .
'</B></A></FONT>' . $desc . "</TD></TR></TABLE>\n";
# Write the index entry for a host
my $rrdsep = '';
foreach $realrrd (@{$main::config{HOST}{$host}{RRDS}}) {
($wildrrd, $wildpart, $fixedrrd) =
&get_rrd($realrrd);
next unless (defined $wildrrd);
&debug(" for rrd $realrrd($wildrrd)") if ($main::debug);
$rrdhtml = $rrdsep . "<NOBR><SPAN STYLE=\"background-color: #DDDDDD\"><B>$realrrd</B></SPAN>:\n";
$rrdsep = "<SPAN WIDTH=\"5%\"></SPAN>\n";
$found_var = 0;
foreach $var (@{$main::config{RRD}{$wildrrd}{DATANAMES}}) {
# Sometimes we just don't want it on this host
if (defined $main::config{HOST}{$host}{ALERT}{$realrrd}{$var}{NOALERT}) {
&debug(" noalert for $realrrd $var; skipped") if ($main::debug);
next;
}
# Alerts defined on the host override those on the rrd
elsif (defined $main::config{HOST}{$host}{ALERT}{$realrrd}{$var}{RELATION}) {
&debug(" host alert for $realrrd $var") if ($main::debug);
}
# But we'll use alerts on the rrd if the host doesn't define one
elsif (defined $main::config{RRD}{$wildrrd}{ALERT}{$var}{RELATION}) {
&debug(" rrd alert for $realrrd $var") if ($main::debug);
}
else {
&debug(" no alert possible for $realrrd $var") if ($main::debug);
next;
}
$varname = $host .'_'. $fixedrrd .'_'. $var;
$top .= 'alertstatus ' . $varname .' '. $host .' '. $realrrd .' '. $var . "\n";
$top .= 'alertvalue ' . $varname .'_value '. $host .' '. $realrrd .' '. $var . "\n";
$top .= 'eval ' . $varname .'_value &siunits(${'. $varname .'_value'. "})\n";
# $rrdhtml .= "$var(<DATAPAGE::VAR ${varname}_value>)<DATAPAGE::VAR $varname>\n";
# $rrdhtml .= "<DATAPAGE::VAR $varname>[$var(<DATAPAGE::VAR ${varname}_value>)]\n";
$rrdhtml .= "[$var <DATAPAGE::VAR $varname>=<DATAPAGE::VAR ${varname}_value>]\n";
$found_var = 1;
}
$rrdhtml .= "</NOBR>\n";
if( $found_var) { $html .= $rrdhtml; }
}
$alert_html .= "\n" . $html;
}
$alert_html .= "\n<BR>\n<DATAPAGE::FOOTER>\n";
print ALERT_INDEX $top, "BEGIN-PAGE\nContent-type: text/html\n\n", $alert_html;
close (ALERT_INDEX);
#----------------------------------------------------------------- usage ---
sub usage {
print STDERR <<"EOD_USAGE";
$main::prog version $main::version from remstats @@VERSION@@
usage: $0 [options]
where options are:
-d nnn enable debugging output at level 'nnn'
-h show this help
EOD_USAGE
exit 0;
}
#----------------------------------------------------------------- debug ---
sub debug {
print STDERR 'DEBUG: ', @_, "\n";
}
#------------------------------------------------------------------ abort ---
sub abort {
print STDERR 'ABORT: ', @_, "\n";
exit 6;
}
#------------------------------------------------------------------ error ---
sub error {
print STDERR 'ERROR: ', @_, "\n";
}
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