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 /**
  43  * Product page body with selection fields
  44  */
  45 function build_page() {
  46         global $config;
  47
  48         if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/compatible; MSIE [0-9]+.[0-9];/', $_SERVER['HTTP_USER_AGENT'])) {
  49                 // Internet Explorer does not support XHTML
  50                 header("Content-Type: text/html");
  51
  52                 print('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">');
  53                 print('<html lang="en">'."\n");
  54         } else {
  55                 header("Content-Type: application/xhtml+xml");
  56
  57                 print('<?xml version="1.0" encoding="utf-8" ?>'."\n");
  58                 print('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n");
  59                 print('<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">'."\n");
  60         }
  61         $url_base = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https://' : 'http://').$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/';
  62 ?>
  63         <head>
  64                 <title>Collectd graph viewer</title>
  65                 <link rel="icon" href="favicon.png" type="image/png" />
  66                 <style type="text/css">
  67                         body, html { background-color: #EEEEEE; color: #000000; }
  68                         h1 { text-align: center; }
  69                         div.body { margin: auto; width: <?php echo isset($config['rrd_width']) ? 125+(int)$config['rrd_width'] : 600; ?>px; background: #FFFFFF; border: 1px solid #DDDDDD; }
  70                         p.error { color: #CC0000; margin: 0em; }
  71                         div.selector { margin: 0.5em 2em; }
  72                         div.selectorbox { padding: 5px; border: 1px solid #CCCCCC; background-color: #F8F8F8; }
  73                         div.selectorbox table { border: none; }
  74                         div.selectorbox table td.s1 { border-bottom: 1px dashed #F0F0F0; padding-right: 1em; vertical-align: middle; }
  75                         div.selectorbox table td.s2 { border-bottom: 1px dashed #F0F0F0; vertical-align: middle; }
  76                         div.selectorbox table td.s3 { vertical-align: middle; }
  77                         div.selectorbox table td.sc { padding: 0.5em 2em; text-align: center; }
  78                         a img { border: none; }
  79                         div.graphs { border-top: 1px solid #DDDDDD; padding: 5px; overflow: auto; }
  80                         div.graphs_t { display: table; }
  81                         div.graph { display: table-row; }
  82                         div.graph_img { display: table-cell; vertical-align: middle; text-align: right; }
  83                         div.graph_opts { display: table-cell; vertical-align: middle; text-align: center; line-height: 2em; }
  84                         select { width: 100%; }
  85                 </style>
  86                 <script type="text/javascript">// <![CDATA[
  87 var dhtml_url = '<?php echo addslashes($url_base.basename($_SERVER['PHP_SELF'])); ?>';
  88 var graph_url = '<?php echo addslashes($url_base.'graph.php'); ?>';
  89 //              ]]></script>
  90                 <script type="text/javascript" src="<?php echo htmlspecialchars($url_base.'browser.js'); ?>"></script>
  91         </head>
  92
  93         <body onload="ListRefreshHost()"><div class="body">
  94                 <h1><img src="collectd-logo.png" align="bottom" alt="" /> Collectd browser for system statistics graphs</h1>
  95                 <div class="selector"><a href="javascript:toggleDiv('selector')"><span id="selector_sw">Hide</span> graph selection tool</a><div id="selector" class="selectorbox">
  96                         <table>
  97                                 <tr>
  98                                         <td class="s1">Host:</td>
  99                                         <td class="s2"><select id="host_list"   name="host"   disabled="disabled" onchange="ListRefreshPlugin()">
 100                                         </select></td>
 101                                         <td class="s3"><a href="javascript:ListRefreshHost()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh host list" /></a></td>
 102                                 </tr>
 103                                 <tr>
 104                                         <td class="s1">Plugin:</td>
 105                                         <td class="s2"><select id="plugin_list" name="plugin" disabled="disabled" onchange="ListRefreshPluginInstance()">
 106                                         </select></td>
 107                                         <td class="s3"><a href="javascript:ListRefreshPlugin()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh plugin list" /></a></td>
 108                                 </tr>
 109                                 <tr>
 110                                         <td class="s1">Plugin instance:</td>
 111                                         <td class="s2"><select id="pinst_list"  name="pinst"  disabled="disabled" onchange="ListRefreshType()">
 112                                         </select></td>
 113                                         <td class="s3"><a href="javascript:ListRefreshPluginInstance()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh plugin instance list" /></a></td>
 114                                 </tr>
 115                                 <tr>
 116                                         <td class="s1">Type:</td>
 117                                         <td class="s2"><select id="type_list"   name="type"   disabled="disabled" onchange="ListRefreshTypeInstance()">
 118                                         </select></td>
 119                                         <td class="s3"><a href="javascript:ListRefreshType()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh type list" /></a></td>
 120                                 </tr>
 121                                 <tr>
 122                                         <td class="s1">Type instance:</td>
 123                                         <td class="s2"><select id="tinst_list"  name="tinst"  disabled="disabled" onchange="RefreshButtons()">
 124                                         </select></td>
 125                                         <td class="s3"><a href="javascript:ListRefreshTypeInstance()"><img src="refresh.png" width="16" height="16" alt="R" title="Refresh type instance list" /></a></td>
 126                                 </tr>
 127                                 <tr>
 128                                         <td class="s1">Graph settings:</td>
 129                                         <td class="s2"><select id="timespan" name="timespan">
 130 <?php                           foreach ($config['timespan'] as &$timespan)
 131                                                 printf("\t\t\t\t\t\t<option value=\"%s\">%s</option>\n", htmlspecialchars($timespan['name']), htmlspecialchars($timespan['label']));
 132 ?>                                      </select>
 133                                         <br /><label><input id="logarithmic"  name="logarithmic" type="checkbox" value="1" /> Logarithmic scale</label>
 134                                         <br /><label><input id="tinylegend"  name="tinylegend" type="checkbox" value="1" /> Minimal legend</label></td>
 135                                         <td class="s3"></td>
 136                                 </tr>
 137                                 <tr>
 138                                         <td class="sc" colspan="3"><input id="btnAdd"     name="btnAdd"     type="button" disabled="disabled" onclick="GraphAppend()" value="Add graph" />
 139                                         <input id="btnClear"   name="btnClear"   type="button" disabled="disabled" onclick="GraphDropAll()" value="Remove all graphs" />
 140                                         <input id="btnRefresh" name="btnRefresh" type="button" disabled="disabled" onclick="GraphRefresh(null)" value="Refresh all graphs" />
 141                                         <input id="btnSave"    name="btnSave"    type="button" onclick="GraphSave()" value="Save" title="Save graph list to cookie" />
 142                                         <input id="btnLoad"    name="btnLoad"    type="button" onclick="GraphLoad()" value="Load" title="Load graph list from cookie" /></td>
 143                                 </tr>
 144                         </table>
 145                 </div></div>
 146                 <div class="graphs"><div id="graphs" class="graphs_t">
 147                         <div id="nograph">Please use above graph selection tool to add graphs to this area.<?php
 148                         // Config checking
 149                         if (!isset($config['datadirs']))
 150                                 echo '<p class="error">Config error: $config["datadirs"] is not set</p>';
 151                         else if (!is_array($config['datadirs']))
 152                                 echo '<p class="error">Config error: $config["datadirs"] is not an array</p>';
 153                         else if (count($config['datadirs']) == 0)
 154                                 echo '<p class="error">Config error: $config["datadirs"] is empty</p>';
 155                         else foreach ($config['datadirs'] as $datadir)
 156                                 if (!is_dir($datadir))
 157                                         echo '<p class="error">Config error: $config["datadirs"], '.htmlspecialchars($datadir).' does not exist</p>';
 158                         if (!isset($config['rrd_width']))
 159                                 echo '<p class="error">Config error: $config["rrd_width"] is not set</p>';
 160                         else if (10 > (int)$config['rrd_width'])
 161                                 echo '<p class="error">Config error: $config["rrd_width"] is invalid. Integer >= 10 expected</p>';
 162                         if (!isset($config['rrd_height']))
 163                                 echo '<p class="error">Config error: $config["rrd_height"] is not set</p>';
 164                         else if (10 > (int)$config['rrd_height'])
 165                                 echo '<p class="error">Config error: $config["rrd_height"] is invalid. Integer >= 10 expected</p>';
 166                         if (!isset($config['rrd_opts']))
 167                                 echo '<p class="error">Config error: $config["rrd_opts"] is not set</p>';
 168                         else if (!is_array($config['rrd_opts']))
 169                                 echo '<p class="error">Config error: $config["rrd_opts"] is not an array</p>';
 170                         if (!isset($config['timespan']))
 171                                 echo '<p class="error">Config error: $config["timespan"] is not set</p>';
 172                         else if (!is_array($config['timespan']))
 173                                 echo '<p class="error">Config error: $config["timespan"] is not an array</p>';
 174                         else if (count($config['timespan']) == 0)
 175                                 echo '<p class="error">Config error: $config["timespan"] is empty</p>';
 176                         else foreach ($config['timespan'] as &$timespan)
 177                                 if (!is_array($timespan) || !isset($timespan['name']) || !isset($timespan['label']) || !isset($timespan['seconds']) || 10 > (int)$timespan['seconds'])
 178                                         echo '<p class="error">Config error: $config["timespan"], invalid entry found</p>';
 179                         if (!is_null($config['collectd_sock']) && strncmp('unix://', $config['collectd_sock'], 7) != 0)
 180                                 echo '<p class="error">Config error: $config["collectd_sock"] is not valid</p>';
 181                         if (!defined('RRDTOOL'))
 182                                 echo '<p class="error">Config error: RRDTOOL is not defined</p>';
 183                         else if (!is_executable(RRDTOOL))
 184                                 echo '<p class="error">Config error: RRDTOOL ('.htmlspecialchars(RRDTOOL).') is not executable</p>';
 185                         ?></div>
 186                 </div></div>
 187         </div></body>
 188 </html><?php
 189 }
 190
 191
 192 /*
 193  * Select action based on user input
 194  */
 195 $action = read_var('action', $_POST, 'overview');
 196 switch ($action) {
 197         case 'list_hosts':
 198                 // Generate a list of hosts
 199                 $hosts = collectd_list_hosts();
 200                 return dhtml_response_list($hosts, 'ListOfHost');
 201
 202         case 'list_plugins':
 203                 // Generate list of plugins for selected hosts
 204                 $arg_hosts = read_var('host', $_POST, array());
 205                 if (!is_array($arg_hosts))
 206                         $arg_hosts = array($arg_hosts);
 207                 $plugins = collectd_list_plugins(reset($arg_hosts));
 208                 return dhtml_response_list($plugins, 'ListOfPlugin');
 209
 210         case 'list_pinsts':
 211                 // Generate list of plugin_instances for selected hosts and plugin
 212                 $arg_hosts = read_var('host', $_POST, array());
 213                 if (!is_array($arg_hosts))
 214                         $arg_hosts = array($arg_hosts);
 215                 $arg_plugin = read_var('plugin', $_POST, '');
 216                 $pinsts = collectd_list_pinsts(reset($arg_hosts), $arg_plugin);
 217                 return dhtml_response_list($pinsts, 'ListOfPluginInstance');
 218
 219         case 'list_types':
 220                 // Generate list of types for selected hosts, plugin and plugin-instance
 221                 $arg_hosts  = read_var('host', $_POST, array());
 222                 if (!is_array($arg_hosts))
 223                         $arg_hosts = array($arg_hosts);
 224                 $arg_plugin = read_var('plugin', $_POST, '');
 225                 $arg_pinst  = read_var('plugin_instance', $_POST, '');
 226                 $types = collectd_list_types(reset($arg_hosts), $arg_plugin, $arg_pinst);
 227                 return dhtml_response_list($types, 'ListOfType');
 228
 229         case 'list_tinsts':
 230                 // Generate list of types for selected hosts, plugin and plugin-instance
 231                 $arg_hosts  = read_var('host', $_POST, array());
 232                 if (!is_array($arg_hosts))
 233                         $arg_hosts = array($arg_hosts);
 234                 $arg_plugin = read_var('plugin', $_POST, '');
 235                 $arg_pinst  = read_var('plugin_instance', $_POST, '');
 236                 $arg_type   = read_var('type', $_POST, '');
 237                 $tinsts = collectd_list_tinsts(reset($arg_hosts), $arg_plugin, $arg_pinst, $arg_type);
 238                 if (count($tinsts)) {
 239                         require('definitions.php');
 240                         load_graph_definitions();
 241                         if (isset($MetaGraphDefs[$arg_type])) {
 242                                 $meta_tinsts = array('@');
 243                                 return dhtml_response_list($meta_tinsts, 'ListOfTypeInstance');
 244                         }
 245                 }
 246                 return dhtml_response_list($tinsts, 'ListOfTypeInstance');
 247
 248         case 'overview':
 249         default:
 250                 return build_page();
 251                 break;
 252 }
 253 ?>