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pandorafms/pandora_console/operation/agentes/networkmap.php

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<?php
// Pandora FMS - the Flexible Monitoring System
// ============================================
// Copyright (c) 2008 Artica Soluciones Tecnologicas, http://www.artica.es
// Please see http://pandora.sourceforge.net for full contribution list
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation for version 2.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
// Load global vars
require_once ("include/config.php");
check_login ();
if (! give_acl ($config['id_user'], 0, "AR")) {
audit_db ($config['id_user'], $REMOTE_ADDR, "ACL Violation",
"Trying to access node graph builder");
include ("general/noaccess.php");
exit;
}
$pandora_name = 'Pandora FMS';
// Generate a dot graph definition for graphviz
function generate_dot ($simple = 0, $font_size) {
global $config;
global $pandora_name;
$group_id = -1;
$parents = array();
$orphans = array();
// Open Graph
$graph = open_graph ();
// Get agent data
$agents = get_db_all_rows_sql ('SELECT id_grupo, nombre, id_os, id_parent, id_agente
FROM tagente
WHERE disabled = 0
ORDER BY id_grupo');
if ($agents){
foreach ($agents as $agent) {
if (give_acl ($config["id_user"], $agent["id_grupo"], "AR") == 0)
continue;
// Save node parent information to define edges later
if ($agent['id_parent'] != "0") {
$parents[$agent['id_agente']] = $agent['id_parent'];
} else {
$orphans[$agent['id_agente']] = 1;
}
// Add node
$graph .= create_node ($agent , $simple, $font_size)."\n\t\t";
}
}
// Create a central node if orphan nodes exist
if (count ($orphans)) {
$graph .= create_pandora_node ($pandora_name, $font_size);
}
// Define edges
foreach ($parents as $node => $parent_id) {
$graph .= create_edge ($node, $parent_id);
}
// Define edges for orphan nodes
foreach (array_keys($orphans) as $node) {
$graph .= create_edge ('0', $node);
}
// Close graph
$graph .= close_graph ();
return $graph;
}
// Returns an edge definition
function create_edge ($head, $tail) {
$edge = $head.' -- '.$tail.'[color="#BDBDBD", headclip=false, tailclip=false];';
return $edge;
}
// Returns a node definition
function create_node ($agent, $simple = 0, $font_size = 10) {
$sql = sprintf ('SELECT COUNT(tagente_modulo.id_agente)
FROM tagente_estado, tagente_modulo
WHERE tagente_modulo.id_agente = %d
AND tagente_modulo.id_tipo_modulo in (2, 6, 9, 18, 21, 100)
AND tagente_estado.id_agente_modulo = tagente_modulo.id_agente_modulo
AND tagente_modulo.disabled = 0
AND tagente_estado.estado = 1',
$agent['id_agente']);
$bad_modules = get_db_sql ($sql);
// Set node status
if ($bad_modules) {
$status_color = '#FF1D1D';
} else {
$status_color = '#8DFF1D';
}
// Check for alert
$sql = sprintf ('SELECT COUNT(talert_template_modules.id)
FROM talert_template_modules, tagente_modulo, tagente
WHERE tagente.id_agente = %d
AND tagente.disabled = 0
AND tagente.id_agente = tagente_modulo.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_agente_modulo = talert_template_modules.id_agent_module
AND talert_template_modules.times_fired > 0 ',
$agent['id_agente']);
$alert_modules = get_db_sql ($sql);
if ($alert_modules)
$status_color = '#FFE308';
// Short name
$name = strtolower ($agent["nombre"]);
if (strlen ($name) > 16)
$name = substr ($name, 0, 16);
if ($simple == 0){
// Set node icon
if (file_exists ('images/networkmap/'.$agent['id_os'].'.png')) {
$img_node = 'images/networkmap/'.$agent['id_os'].'.png';
} else {
$img_node = 'images/networkmap/0.png';
}
$node = $agent['id_agente'].' [ color="'.$status_color.'", fontsize='.$font_size.', style="filled", fixedsize=true, width=0.40, height=0.40, label=<<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0"><TR><TD><IMG SRC="'.$img_node.'"/></TD></TR>
<TR><TD>'.$name.'</TD></TR></TABLE>>,
shape="ellipse", URL="index.php?sec=estado&sec2=operation/agentes/ver_agente&id_agente='.$agent['id_agente'].'",
tooltip="ajax.php?page=operation/agentes/ver_agente&get_agent_status_tooltip=1&id_agent='.$agent['id_agente'].'"];';
} else {
$node = $agent['id_agente'] . ' [ color="' . $status_color . '", fontsize='.$font_size.', style="filled", fixedsize=true, width=0.20, height=0.20, label="", tooltip="ajax.php?page=operation/agentes/ver_agente&get_agent_status_tooltip=1&id_agent='.$agent['id_agente'].'"];';
}
return $node;
}
// Returns the definition of the central module
function create_pandora_node ($name, $font_size = 10) {
global $simple;
$img = '<TR><TD><IMG SRC="images/networkmap/pandora_node.png"/></TD></TR>';
$name = '<TR><TD BGCOLOR="#FFFFFF">'.$name.'</TD></TR>';
$label = '<TABLE BORDER="0">'.$img.$name.'</TABLE>';
if ($simple == 1){
$label = "";
}
$node = '0 [ color="#364D1F", fontsize='.$font_size.', style="filled", fixedsize=true, width=0.8, height=0.6, label=<'.$label.'>,
shape="ellipse", URL="index.php?sec=estado&sec2=operation/agentes/estado_grupo" ];';
return $node;
}
// Opens a group definition
function open_group ($id) {
$img = 'images/'.get_group_icon ($id).'.png';
$name = get_group_name ($id);
$group = 'subgraph cluster_' . $id .
' { style=filled; color=darkolivegreen3; label=<<TABLE BORDER="0">
<TR><TD><IMG SRC="'.$img.'"/></TD><TD>'.$name.'</TD></TR>
</TABLE>>; tooltip="'.$name.'";
URL="index.php?sec=estado&sec2=operation/agentes/estado_agente&group_id='
. $id . '";';
return $group;
}
// Closes a group definition
function close_group () {
return '}';
}
// Opens a graph definition
function open_graph () {
global $config, $layout, $nooverlap, $pure, $zoom, $ranksep, $font_size;
$overlap = 'compress';
$size_x = 8;
$size_y = 5.4;
$size = '';
if ($layout == 'radial')
$overlap = 'true';
if ($layout == 'flat' || $layout == 'radial' || $layout == 'spring1' || $layout == "spring2")
if ($nooverlap != '')
$overlap = 'scalexy';
if ($pure == 1 && $zoom > 1 ) {
$size_x *= $zoom;
$size_y *= $zoom;
}
$size = $size_x . ',' . $size_y;
// BEWARE: graphwiz DONT use single ('), you need double (")
$head = "graph networkmap { labeljust=l; margin=0; ";
if ($nooverlap != '') {
$head .= "overlap=\"$overlap\";";
$head .= "ranksep=\"$ranksep\";";
$head .= "outputorder=edgesfirst;";
}
$head .= "ratio=fill;";
$head .= "root=0;";
$head .= "size=\"$size\";";
return $head;
}
// Closes a graph definition
function close_graph () {
return '}';
}
// Returns the filter used to achieve the desired layout
function set_filter () {
global $layout;
switch($layout) {
case 'flat':
return 'dot';
case 'radial':
return 'twopi';
case 'circular':
return 'circo';
case 'spring1':
return 'neato';
case 'spring2':
return 'fdp';
default:
return 'twopi';
}
}
/* Main code */
// Load variables
$layout = (string) get_parameter ('layout', 'radial');
$nooverlap = (boolean) get_parameter ('nooverlap', 0);
$pure = (int) get_parameter ('pure');
$zoom = (float) get_parameter ('zoom');
$ranksep = (float) get_parameter ('ranksep', 2.5);
$simple = (boolean) get_parameter ('simple', 0);
$regen = (boolean) get_parameter ('regen',1); // Always regen by default
$font_size = (int) get_parameter ('font_size', 12);
echo '<h2>'.__('Pandora Agents').' &gt; '.__('Network Map').'&nbsp;';
if ($pure == 1) {
echo '<a href="index.php?sec=estado&amp;sec2=operation/agentes/networkmap&amp;pure=0">';
print_image ("images/monitor.png", false, array ('title' => __('Normal screen'), 'alt' => __('Normal screen')));
echo '</a>';
} else {
echo '<a href="index.php?sec=estado&amp;sec2=operation/agentes/networkmap&amp;pure=1">';
print_image ("images/monitor.png", false, array ('title' => __('Normal screen'), 'alt' => __('Normal screen')));
echo '</a>';
}
echo '</h2>';
// Layout selection
$layout_array = array (
'circular' => 'circular',
'radial' => 'radial',
'spring1' => 'spring 1',
'spring2' => 'spring 2',
'flat' => 'flat');
echo '<form action="index.php?sec=estado&amp;sec2=operation/agentes/networkmap&amp;pure='.$pure.'" method="post">';
echo '<table cellpadding="4" cellspacing="4" class="databox">';
echo '<tr>';
echo '<td valign="top">' . __('Layout') . ' &nbsp;';
print_select ($layout_array, 'layout', $layout, '', '', '');
echo '</td>';
echo '<td valign="top">' . __('No Overlap') . ' &nbsp;';
print_checkbox ('nooverlap', '1', $nooverlap);
echo '</td>';
echo '<td valign="top">' . __('Simple') . ' &nbsp;';
print_checkbox ('simple', '1', $simple);
echo '</td>';
echo '<td valign="top">' . __('Regenerate') . ' &nbsp;';
print_checkbox ('regen', '1', $regen);
echo '</td>';
if ($pure == "1") {
// Zoom
$zoom_array = array (
'1' => 'x1',
'1.2' => 'x2',
'1.6' => 'x3',
'2' => 'x4',
'2.5' => 'x5',
'5' => 'x10',
);
echo '<td valign="top">' . __('Zoom') . ' &nbsp;';
print_select ($zoom_array, 'zoom', $zoom, '', '', '');
echo '</td>';
}
if ($nooverlap == 1){
echo "<td>";
echo __('Distance between nodes') . ' &nbsp;';
print_input_text ('ranksep', $ranksep, $alt = 'Separation between elements in the map (in Non-overlap mode)', 3, 4, 0);
echo "</td>";
}
echo "<td>";
echo __('Font') . ' &nbsp;';
print_input_text ('font_size', $font_size, $alt = 'Font size (in pt)', 3, 4, 0);
echo "</td>";
//echo ' Display groups <input type="checkbox" name="group" value="group" class="chk"/>';
echo '<td>';
print_submit_button (__('Update'), "updbutton", false, 'class="sub upd"');
echo '</td></tr>';
echo '</table></form>';
// Set filter
$filter = set_filter ();
// Generate dot file
$graph = generate_dot ($simple, $font_size);
// Generate image and map
// If image was generated just a few minutes ago, then don't regenerate (it takes long) unless regen checkbox is set
$filename_map = $config["attachment_store"]."/networkmap_".$layout;
$filename_img = "attachment/networkmap_".$layout."_".$font_size;
$filename_dot = $config["attachment_store"]."/networkmap_".$layout;
if ($simple) {
$filename_map .= "_simple";
$filename_img .= "_simple";
$filename_dot .= "_simple";
}
if ($nooverlap) {
$filename_map .= "_nooverlap";
$filename_img .= "_nooverlap";
$filename_dot .= "_nooverlap";
}
$filename_map .= ".map";
$filename_img .= ".png";
$filename_dot .= ".dot";
if ($regen != 1 && file_exists ($filename_img) && filemtime ($filename_img) > get_system_time () - 300) {
$result = true;
} else {
$fh = @fopen ($filename_dot, 'w');
if ($fh === false) {
$result = false;
} else {
fwrite ($fh, $graph);
$cmd = "$filter -Tcmapx -o".$filename_map." -Tpng -o".$filename_img." ".$filename_dot;
$result = system ($cmd);
fclose ($fh);
unlink ($filename_dot);
}
}
if ($result !== false) {
if (! file_exists ($filename_map)) {
echo '<h2 class="err">'.__('Map could not be generated').'</h2>';
echo $result;
echo "<br /> Apparently something went wrong reading the output.<br />";
echo "<br /> Is ".$config["attachment_store"]." readable by the webserver process?";
return;
}
print_image ($filename_img, false, array ("alt" => __('Network Map'), "usemap" => "#networkmap"));
require ($filename_map);
} else {
echo '<h2 class="err">'.__('Map could not be generated').'</h2>';
echo $result;
echo "<br /> Apparently something went wrong executing the command or writing the output.";
echo "<br /><br /> Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
echo "<br /><br /> Is your webserver restricted from executing command line tools through the <code>system()</code> call (PHP Safe Mode or SELinux)";
echo "<br /><br /> Is ".$config["attachment_store"]." writeable by the webserver process? To change this do the following (POSIX-based systems): chown &lt;apache user&gt; ".$config["attachment_store"];
return;
}
require_css_file ('cluetip');
require_jquery_file ('cluetip');
?>
<script language="javascript" type="text/javascript">
/* <![CDATA[ */
$(document).ready (function () {
$("area[title!='<?php echo $pandora_name; ?>']").cluetip ({
arrows: true,
attribute: 'title',
cluetipClass: 'default'
});
});
/* ]]> */
</script>
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