contrib/php-collection/index.php

   1 <?php // vim:fenc=utf-8:filetype=php:ts=4
   2 /*
   3  * Copyright (C) 2009  Bruno Prémont <bonbons AT linux-vserver.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License as published by the Free Software
   7  * Foundation; only version 2 of the License is applicable.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  12  * details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 error_reporting(E_ALL | E_NOTICE | E_WARNING);
  20
  21 require('config.php');
  22 require('functions.php');
  23
  24 /**
  25  * Send back new list content
  26  * @items Array of options values to return to browser
  27  * @method Name of Javascript method that will be called to process data
  28  */
  29 function dhtml_response_list(&$items, $method) {
  30         header("Content-Type: text/xml");
  31
  32         print('<?xml version="1.0" encoding="utf-8" ?>'."\n");
  33         print("<response>\n");
  34         printf(" <method>%s</method>\n", htmlspecialchars($method));
  35         print(" <result>\n");
  36         foreach ($items as &$item)
  37                 printf('  <option>%s</option>'."\n", htmlspecialchars($item));
  38         print(" </result>\n");
  39         print("</response>");
  40 }
  41
  42 function dhtml_response_graphs(&$graphs, $method) {
  43         header("Content-Type: text/xml");
  44
  45         print('<?xml version="1.0" encoding="utf-8" ?>'."\n");
  46         print("<response>\n");
  47         printf(" <method>%s</method>\n", htmlspecialchars($method));
  48         print(" <result>\n");
  49         foreach ($graphs as &$graph)
  50                 printf('  <graph host="%s" plugin="%s" plugin_instance="%s" type="%s" type_instance="%s" timespan="%s" logarithmic="%d" tinyLegend="%d" />'."\n",
  51                        htmlspecialchars($graph['host']), htmlspecialchars($graph['plugin']), htmlspecialchars($graph['pinst']),
  52                        htmlspecialchars($graph['type']), htmlspecialchars($graph['tinst']), htmlspecialchars($graph['timespan']),
  53                        htmlspecialchars($graph['logarithmic']), htmlspecialchars($graph['tinyLegend']));
  54         print(" </result>\n");
  55         print("</response>");
  56 }
  57
  58 /**
  59  * Product page body with selection fields
  60  */
  61 function build_page() {
  62         global $config;
  63
  64         if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/compatible; MSIE [0-9]+.[0-9];/', $_SERVER['HTTP_USER_AGENT'])) {
  65                 // Internet Explorer does not support XHTML
  66                 header("Content-Type: text/html");
  67
  68                 print('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">');
  69                 print('<html lang="en">'."\n");
  70         } else {
  71                 header("Content-Type: application/xhtml+xml");
  72
  73                 print('<?xml version="1.0" encoding="utf-8" ?>'."\n");
  74                 print('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n");
  75                 print('<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">'."\n");
  76         }
  77         $url_base = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https://' : 'http://').$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/';
  78 ?>
  79         <head>
  80                 <title>Collectd graph viewer</title>
  81                 <link rel="icon" href="favicon.png" type="image/png" />
  82                 <style type="text/css">
  83                         body, html { background-color: #EEEEEE; color: #000000; }
  84                         h1 { text-align: center; }
  85                         div.body { margin: auto; width: <?php echo isset($config['rrd_width']) ? 110+(int)$config['rrd_width'] : 600; ?>px; background: #FFFFFF; border: 1px solid #DDDDDD; }
  86                         p.error { color: #CC0000; margin: 0em; }
  87                         div.selector { margin: 0.5em 2em; }
  88                         div.selectorbox { padding: 5px; border: 1px solid #CCCCCC; background-color: #F8F8F8; }
  89                         div.selectorbox table { border: none; }
  90                         div.selectorbox table td.s1 { border-bottom: 1px dashed #F0F0F0; padding-right: 1em; vertical-align: middle; }
  91                         div.selectorbox table td.s2 { border-bottom: 1px dashed #F0F0F0; vertical-align: middle; }
  92                         div.selectorbox table td.s3 { vertical-align: middle; }
  93                         div.selectorbox table td.sc { padding: 0.5em 2em; text-align: center; }
  94                         a img { border: none; }
  95                         div.graphs { border-top: 1px solid #DDDDDD; padding: 5px; overflow: auto; }
  96                         div.graphs_t { position: relative; }
  97                         div.graph { text-align: right; }
  98                         div.selector select { width: 100%; }
  99                         table.toolbox { border: 1px solid #5500dd; padding: 0px; margin: 0px; background: #ffffff;}
 100                         table.toolbox td.c1 { vertical-align: middle; text-align: left; padding-left: 0.3em; padding-right: 1em; border-right: 1px solid #5500dd; }
 101                         table.toolbox td.c2 { vertical-align: middle; text-align: center; padding-left: 5px; padding-right: 5px; }
 102                 </style>
 103                 <script type="text/javascript">// <![CDATA[
 104 var dhtml_url = '<?php echo addslashes($url_base.basename($_SERVER['PHP_SELF'])); ?>';
 105 var graph_url = '<?php echo addslashes($url_base.'graph.php'); ?>';
 106 //              ]]></script>
 107                 <script type="text/javascript" src="<?php echo htmlspecialchars($url_base.'browser.js'); ?>"></script>
 108         </head>
 109
 110         <body onload="ListRefreshHost(); GraphListRefresh(); "><div class="body">
 111                 <h1><img src="collectd-logo.png" align="bottom" alt="" /> Collectd browser for system statistics graphs</h1>
 112                 <div class="selector"><a href="javascript:toggleDiv('selector')"><span id="selector_sw">Hide</span> graph selection tool</a><div id="selector" class="selectorbox">
 113                         <table>
 114                                 <tr>
 115                                         <td class="s1">Host:</td>
 116                                         <td class="s2"><select id="host_list"   name="host"   disabled="disabled" onchange="ListRefreshPlugin()">
 117                                         </select></td>
 118                                         <td class="s3"><a href="javascript:ListRefreshHost()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh host list" /></a></td>
 119                                 </tr>
 120                                 <tr>
 121                                         <td class="s1">Plugin:</td>
 122                                         <td class="s2"><select id="plugin_list" name="plugin" disabled="disabled" onchange="ListRefreshPluginInstance()">
 123                                         </select></td>
 124                                         <td class="s3"><a href="javascript:ListRefreshPlugin()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh plugin list" /></a></td>
 125                                 </tr>
 126                                 <tr>
 127                                         <td class="s1">Plugin instance:</td>
 128                                         <td class="s2"><select id="pinst_list"  name="pinst"  disabled="disabled" onchange="ListRefreshType()">
 129                                         </select></td>
 130                                         <td class="s3"><a href="javascript:ListRefreshPluginInstance()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh plugin instance list" /></a></td>
 131                                 </tr>
 132                                 <tr>
 133                                         <td class="s1">Type:</td>
 134                                         <td class="s2"><select id="type_list"   name="type"   disabled="disabled" onchange="ListRefreshTypeInstance()">
 135                                         </select></td>
 136                                         <td class="s3"><a href="javascript:ListRefreshType()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh type list" /></a></td>
 137                                 </tr>
 138                                 <tr>
 139                                         <td class="s1">Type instance:</td>
 140                                         <td class="s2"><select id="tinst_list"  name="tinst"  disabled="disabled" onchange="RefreshButtons()">
 141                                         </select></td>
 142                                         <td class="s3"><a href="javascript:ListRefreshTypeInstance()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh type instance list" /></a></td>
 143                                 </tr>
 144                                 <tr>
 145                                         <td class="s1">Graph settings:</td>
 146                                         <td class="s2"><select id="timespan" name="timespan">
 147 <?php                           foreach ($config['timespan'] as &$timespan)
 148                                                 printf("\t\t\t\t\t\t<option value=\"%s\">%s</option>\n", htmlspecialchars($timespan['name']), htmlspecialchars($timespan['label']));
 149 ?>                                      </select>
 150                                         <br /><label><input id="logarithmic"  name="logarithmic" type="checkbox" value="1" /> Logarithmic scale</label>
 151                                         <br /><label><input id="tinylegend"  name="tinylegend" type="checkbox" value="1" /> Minimal legend</label></td>
 152                                         <td class="s3"></td>
 153                                 </tr>
 154                                 <tr>
 155                                         <td class="sc" colspan="3"><input id="btnAdd"     name="btnAdd"     type="button" disabled="disabled" onclick="GraphAppend()" value="Add graph" />
 156                                         <input id="btnClear"   name="btnClear"   type="button" disabled="disabled" onclick="GraphDropAll()" value="Remove all graphs" />
 157                                         <input id="btnRefresh" name="btnRefresh" type="button" disabled="disabled" onclick="GraphRefreshAll()" value="Refresh all graphs" /></td>
 158                                 </tr>
 159                                 <tr>
 160                                         <td class="s1" rowspan="2">Graph list favorites:</td>
 161                                         <td class="s3"><input type="text" style="width: 100%" maxlength="30" id="GraphListName" name="GraphListName" value="default" onchange="GraphListCheckName(false)" /></td>
 162                                         <td class="s3"><a href="javascript:GraphSave()"><img src="save.png" width="16" height="16" alt="S" title="Save graph list to cookie" /></a></td>
 163                                 </tr>
 164                                 <tr>
 165                                         <td class="s2"><select id="GraphList" name="GraphList" onfocus="GraphListRefresh()">
 166                                                 <option value="default">default</option>
 167                                         </select></td>
 168                                         <td class="s3"><a href="javascript:GraphLoad()"><img src="load.png" width="16" height="16" alt="L" title="Load graph list from cookie" /></a><a href="javascript:GraphDrop()"><img src="delete.png" width="16" height="16" alt="D" title="Delete graph list from cookie" /></a></td>
 169                                 </tr>
 170                         </table>
 171                 </div></div>
 172                 <div class="graphs"><div id="graphs" class="graphs_t">
 173                         <div id="nograph">Please use above graph selection tool to add graphs to this area.<?php
 174                         // Config checking
 175                         if (!isset($config['datadirs']))
 176                                 echo '<p class="error">Config error: $config["datadirs"] is not set</p>';
 177                         else if (!is_array($config['datadirs']))
 178                                 echo '<p class="error">Config error: $config["datadirs"] is not an array</p>';
 179                         else if (count($config['datadirs']) == 0)
 180                                 echo '<p class="error">Config error: $config["datadirs"] is empty</p>';
 181                         else foreach ($config['datadirs'] as $datadir)
 182                                 if (!is_dir($datadir))
 183                                         echo '<p class="error">Config error: $config["datadirs"], '.htmlspecialchars($datadir).' does not exist</p>';
 184                         if (!isset($config['rrd_width']))
 185                                 echo '<p class="error">Config error: $config["rrd_width"] is not set</p>';
 186                         else if (10 > (int)$config['rrd_width'])
 187                                 echo '<p class="error">Config error: $config["rrd_width"] is invalid. Integer >= 10 expected</p>';
 188                         if (!isset($config['rrd_height']))
 189                                 echo '<p class="error">Config error: $config["rrd_height"] is not set</p>';
 190                         else if (10 > (int)$config['rrd_height'])
 191                                 echo '<p class="error">Config error: $config["rrd_height"] is invalid. Integer >= 10 expected</p>';
 192                         if (!isset($config['rrd_opts']))
 193                                 echo '<p class="error">Config error: $config["rrd_opts"] is not set</p>';
 194                         else if (!is_array($config['rrd_opts']))
 195                                 echo '<p class="error">Config error: $config["rrd_opts"] is not an array</p>';
 196                         if (!isset($config['timespan']))
 197                                 echo '<p class="error">Config error: $config["timespan"] is not set</p>';
 198                         else if (!is_array($config['timespan']))
 199                                 echo '<p class="error">Config error: $config["timespan"] is not an array</p>';
 200                         else if (count($config['timespan']) == 0)
 201                                 echo '<p class="error">Config error: $config["timespan"] is empty</p>';
 202                         else foreach ($config['timespan'] as &$timespan)
 203                                 if (!is_array($timespan) || !isset($timespan['name']) || !isset($timespan['label']) || !isset($timespan['seconds']) || 10 > (int)$timespan['seconds'])
 204                                         echo '<p class="error">Config error: $config["timespan"], invalid entry found</p>';
 205                         if (!is_null($config['collectd_sock']) && strncmp('unix://', $config['collectd_sock'], 7) != 0)
 206                                 echo '<p class="error">Config error: $config["collectd_sock"] is not valid</p>';
 207                         if (!defined('RRDTOOL'))
 208                                 echo '<p class="error">Config error: RRDTOOL is not defined</p>';
 209                         else if (!is_executable(RRDTOOL))
 210                                 echo '<p class="error">Config error: RRDTOOL ('.htmlspecialchars(RRDTOOL).') is not executable</p>';
 211                         ?></div>
 212                 </div></div>
 213                 <input type="hidden" name="ge_graphid" id="ge_graphid" value="" />
 214                 <table id="ge" class="toolbox" style="position: absolute; display: none; " cellspacing="1" cellpadding="0">
 215                         <tr>
 216                                 <td class="c1" rowspan="3"><select id="ge_timespan" name="ge_timespan" onchange="GraphAdjust(null)"><?php
 217                                 foreach ($config['timespan'] as &$timespan)
 218                                         printf("\t\t\t\t\t\t<option value=\"%s\">%s</option>\n", htmlspecialchars($timespan['name']), htmlspecialchars($timespan['label']));
 219                                 ?></select><br />
 220                                 <label><input id="ge_logarithmic"  name="ge_logarithmic" type="checkbox" value="1" onchange="GraphAdjust(null)" /> Logarithmic scale</label><br />
 221                                 <label><input id="ge_tinylegend"  name="ge_tinylegend" type="checkbox" value="1" onchange="GraphAdjust(null)" /> Minimal legend</label></td>
 222                                 <td class="c2"><a href="javascript:GraphMoveUp(null)"><img src="move-up.png" alt="UP" title="Move graph up"/></a></td>
 223                         </tr>
 224                         <tr>
 225                                 <td class="c2"><a href="javascript:GraphRefresh(null)"><img src="refresh.png" alt="R" title="Refresh graph"/></a>&nbsp;<a href="javascript:GraphRemove(null)"><img src="delete.png" alt="RM" title="Remove graph"/></a></td>
 226                         </tr>
 227                         <tr>
 228                                 <td class="c2"><a href="javascript:GraphMoveDown(null)"><img src="move-down.png" alt="DN" title="Move graph down"/></a></td>
 229                         </tr>
 230                 </table>
 231         </div></body>
 232 </html><?php
 233 }
 234
 235
 236 /*
 237  * Select action based on user input
 238  */
 239 $action = read_var('action', $_POST, 'overview');
 240 switch ($action) {
 241         case 'list_hosts':
 242                 // Generate a list of hosts
 243                 $hosts = collectd_list_hosts();
 244                 if (count($hosts) > 1)
 245                         array_unshift($hosts, '@all');
 246                 return dhtml_response_list($hosts, 'ListOfHost');
 247
 248         case 'list_plugins':
 249                 // Generate list of plugins for selected hosts
 250                 $arg_hosts = read_var('host', $_POST, '');
 251                 if (is_array($arg_hosts))
 252                         $arg_hosts = reset($arg_hosts);
 253                 $plugins = collectd_list_plugins($arg_hosts);
 254                 if (count($plugins) > 1)
 255                         array_unshift($plugins, '@all');
 256                 return dhtml_response_list($plugins, 'ListOfPlugin');
 257
 258         case 'list_pinsts':
 259                 // Generate list of plugin_instances for selected hosts and plugin
 260                 $arg_hosts = read_var('host', $_POST, '');
 261                 if (is_array($arg_hosts))
 262                         $arg_hosts = reset($arg_hosts);
 263                 $arg_plugin = read_var('plugin', $_POST, '');
 264                 $pinsts = collectd_list_plugins($arg_hosts, $arg_plugin);
 265                 if (count($pinsts) > 1)
 266                         array_unshift($pinsts, '@all' /* , '@merge_sum', '@merge_avg', '@merge_stack', '@merge_line' */);
 267                 return dhtml_response_list($pinsts, 'ListOfPluginInstance');
 268
 269         case 'list_types':
 270                 // Generate list of types for selected hosts, plugin and plugin-instance
 271                 $arg_hosts  = read_var('host', $_POST, '');
 272                 if (is_array($arg_hosts))
 273                         $arg_hosts = reset($arg_hosts);
 274                 $arg_plugin = read_var('plugin', $_POST, '');
 275                 $arg_pinst  = read_var('plugin_instance', $_POST, '');
 276                 $types = collectd_list_types($arg_hosts, $arg_plugin, $arg_pinst);
 277                 if (count($types) > 1)
 278                         array_unshift($types, '@all');
 279                 return dhtml_response_list($types, 'ListOfType');
 280
 281         case 'list_tinsts':
 282                 // Generate list of types for selected hosts, plugin and plugin-instance
 283                 $arg_hosts  = read_var('host', $_POST, '');
 284                 if (is_array($arg_hosts))
 285                         $arg_hosts = reset($arg_hosts);
 286                 $arg_plugin = read_var('plugin', $_POST, '');
 287                 $arg_pinst  = read_var('plugin_instance', $_POST, '');
 288                 $arg_type   = read_var('type', $_POST, '');
 289                 $tinsts = collectd_list_types($arg_hosts, $arg_plugin, $arg_pinst, $arg_type);
 290                 if (count($tinsts))
 291                         if ($arg_type != '@all') {
 292                                 require('definitions.php');
 293                                 load_graph_definitions();
 294                                 if (isset($MetaGraphDefs[$arg_type]))
 295                                         array_unshift($tinsts, '@merge');
 296                                 if (count($tinsts) > 1)
 297                                         array_unshift($tinsts, '@all');
 298                         } else {
 299                                 array_unshift($tinsts, /* '@merge_sum', '@merge_avg', '@merge_stack', '@merge_line', */ '@merge');
 300                                 if (count($tinsts) > 1)
 301                                         array_unshift($tinsts, '@all');
 302                         }
 303                 return dhtml_response_list($tinsts, 'ListOfTypeInstance');
 304
 305         case 'list_graphs':
 306                 // Generate list of types for selected hosts, plugin and plugin-instance
 307                 $arg_hosts  = read_var('host', $_POST, '');
 308                 if (is_array($arg_hosts))
 309                         $arg_hosts = reset($arg_hosts);
 310                 $arg_plugin = read_var('plugin', $_POST, '');
 311                 $arg_pinst  = read_var('plugin_instance', $_POST, '');
 312                 $arg_type   = read_var('type', $_POST, '');
 313                 $arg_tinst  = read_var('type_instance', $_POST, '');
 314                 $arg_log    = (int)read_var('logarithmic', $_POST, '0');
 315                 $arg_legend = (int)read_var('tinyLegend', $_POST, '0');
 316                 $arg_period = read_var('timespan', $_POST, '');
 317                 $graphs = collectd_list_graphs($arg_hosts, $arg_plugin, $arg_pinst, $arg_type, $arg_tinst);
 318                 foreach ($graphs as &$graph) {
 319                         $graph['logarithmic'] = $arg_log;
 320                         $graph['tinyLegend']  = $arg_legend;
 321                         $graph['timespan']    = $arg_period;
 322                 }
 323                 return dhtml_response_graphs($graphs, 'ListOfGraph');
 324
 325         case 'overview':
 326         default:
 327                 return build_page();
 328                 break;
 329 }
 330 ?>