web/index.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4         <title>netdata dashboard</title>
   5
   6         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   7         <meta charset="utf-8">
   8         <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   9         <meta name="viewport" content="width=device-width, initial-scale=1">
  10         <meta name="apple-mobile-web-app-capable" content="yes">
  11         <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  12         <meta name="author" content="costa@tsaousis.gr">
  13
  14         <link rel="shortcut icon" href="images/seo-performance-multi-size.ico">
  15
  16         <link rel="apple-touch-icon" href="images/seo-performance-72.png">
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  20         <link rel="icon" type="image/png" sizes="512x512" href="images/seo-performance-512.png">
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  27         <link rel="icon" type="image/png" sizes="16x16" href="images/seo-performance-16.png">
  28
  29         <style>
  30
  31         /* prevent body from hidding under the navbar */
  32         body {
  33                 padding-top: 50px;
  34         }
  35
  36         .modal-wide .modal-dialog {
  37                 width: 80%;
  38         }
  39
  40         /* fix # anchors scrolling under the navbar
  41            https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
  42          */
  43         h1 {
  44                 position: relative;
  45                 z-index: -1;
  46         }
  47         h2 {
  48                 position: relative;
  49                 z-index: -2;
  50         }
  51         h1:before, h2:before {
  52                 display: block;
  53                 content: " ";
  54                 margin-top: -70px;
  55                 height: 70px;
  56                 visibility: hidden;
  57         }
  58
  59         .p {
  60                 display: block;
  61                 margin-top: 15px;
  62         }
  63
  64         .option-row,
  65         .option-control {
  66                 vertical-align: top;
  67                 padding: 10px;
  68                 padding-top: 30px;
  69                 padding-left: 30px;
  70         }
  71
  72         .option-info {
  73                 padding: 10px;
  74         }
  75
  76         .chart-message {
  77                 display: block;
  78                 margin-top: 10px;
  79         }
  80
  81         .container {
  82                 width: 90% !important;
  83         }
  84
  85         #masthead h1 {
  86                 /*font-size: 30px;*/
  87                 line-height: 1;
  88                 padding-top: 30px;
  89         }
  90
  91         #masthead .well {
  92                 margin-top:4%;
  93         }
  94
  95         /* fix the navbar shifting when a modal is open */
  96         /* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
  97         body.modal-open{
  98                 width: 100% !important;
  99                 padding-right: 0 !important;
 100 /*              overflow-y: scroll !important; */
 101 /*              position: fixed !important;*/
 102                 overflow: visible;
 103         }
 104
 105         /*
 106          * Side navigation
 107          *
 108          * Scrollspy and affixed enhanced navigation to highlight sections and secondary
 109          * sections of docs content.
 110          */
 111
 112         .dashboard-sidebar {
 113                 max-height: calc(100% - 70px) !important;
 114                 overflow-y: auto;
 115                 /*width: 220px !important;*/
 116         }
 117
 118         /* By default it's not affixed in mobile views, so undo that */
 119         .dashboard-sidebar.affix {
 120                 position: static;
 121         }
 122         @media (min-width: 768px) {
 123                 .dashboard-sidebar {
 124                         padding-left: 20px;
 125                 }
 126         }
 127
 128         .affix {
 129                 position: static;
 130                 top: 70px !important;
 131                 /*width: 220px;*/
 132         }
 133         .affix-top {
 134                 /*width: 220px;*/
 135         }
 136
 137         /* First level of nav */
 138         .dashboard-sidenav {
 139                 margin-top: 20px;
 140                 margin-bottom: 20px;
 141         }
 142
 143         /* All levels of nav */
 144         .dashboard-sidebar .nav > li > a {
 145                 display: block;
 146                 padding: 4px 20px;
 147                 font-size: 13px;
 148                 font-weight: 500;
 149                 color: #767676;
 150         }
 151         .dashboard-sidebar .nav > li > a:hover,
 152         .dashboard-sidebar .nav > li > a:focus {
 153                 padding-left: 19px;
 154                 color: #563d7c;
 155                 text-decoration: none;
 156                 background-color: transparent;
 157                 border-left: 1px solid #563d7c;
 158         }
 159         .dashboard-sidebar .nav > .active > a,
 160         .dashboard-sidebar .nav > .active:hover > a,
 161         .dashboard-sidebar .nav > .active:focus > a {
 162                 padding-left: 18px;
 163                 font-weight: bold;
 164                 color: #563d7c;
 165                 background-color: transparent;
 166                 border-left: 2px solid #563d7c;
 167         }
 168
 169         /* Nav: second level (shown on .active) */
 170         .dashboard-sidebar .nav .nav {
 171                 display: none; /* Hide by default, but at >768px, show it */
 172                 padding-bottom: 10px;
 173         }
 174         .dashboard-sidebar .nav .nav > li > a {
 175                 padding-top: 1px;
 176                 padding-bottom: 1px;
 177                 padding-left: 30px;
 178                 font-size: 12px;
 179                 font-weight: normal;
 180         }
 181         .dashboard-sidebar .nav .nav > li > a:hover,
 182         .dashboard-sidebar .nav .nav > li > a:focus {
 183                 padding-left: 29px;
 184         }
 185         .dashboard-sidebar .nav .nav > .active > a,
 186         .dashboard-sidebar .nav .nav > .active:hover > a,
 187         .dashboard-sidebar .nav .nav > .active:focus > a {
 188                 padding-left: 28px;
 189                 font-weight: 500;
 190         }
 191
 192         /* Back to top (hidden on mobile) */
 193         .back-to-top,
 194         .dashboard-theme-toggle {
 195                 display: none;
 196                 padding: 4px 10px;
 197                 margin-top: 10px;
 198                 margin-left: 10px;
 199                 font-size: 12px;
 200                 font-weight: 500;
 201                 color: #999;
 202         }
 203         .back-to-top:hover,
 204         .dashboard-theme-toggle:hover {
 205                 color: #563d7c;
 206                 text-decoration: none;
 207         }
 208         .dashboard-theme-toggle {
 209                 margin-top: 0;
 210         }
 211
 212         @media (min-width: 768px) {
 213                 .back-to-top,
 214                 .dashboard-theme-toggle {
 215                         display: block;
 216                 }
 217         }
 218
 219         /* Show and affix the side nav when space allows it */
 220         @media (min-width: 992px) {
 221                 .dashboard-sidebar .nav > .active > ul {
 222                         display: block;
 223                 }
 224                 /* Widen the fixed sidebar */
 225                 .dashboard-sidebar.affix,
 226                 .dashboard-sidebar.affix-bottom {
 227                         width: 213px;
 228                 }
 229                 .dashboard-sidebar.affix {
 230                         position: fixed; /* Undo the static from mobile first approach */
 231                         top: 20px;
 232                 }
 233                 .dashboard-sidebar.affix-bottom {
 234                         position: absolute; /* Undo the static from mobile first approach */
 235                 }
 236                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 237                 .dashboard-sidebar.affix .dashboard-sidenav {
 238                         margin-top: 0;
 239                         margin-bottom: 0;
 240                 }
 241         }
 242         @media (min-width: 1200px) {
 243                 /* Widen the fixed sidebar again */
 244                 .dashboard-sidebar.affix-bottom,
 245                 .dashboard-sidebar.affix {
 246                         width: 263px;
 247                 }
 248         }
 249         </style>
 250
 251         <!-- you can set your netdata server globally, by ucommenting this -->
 252         <!-- you can also give a different server per chart, with the attribute: data-host="http://netdata.server:19999" -->
 253         <!-- <script> netdataServer = "http://box:19999"; </script> -->
 254
 255         <!-- load the dashboard manager - it will do the rest -->
 256         <script type="text/javascript" src="dashboard.js?v4"></script>
 257 </head>
 258
 259 <body data-spy="scroll" data-target="#sidebar">
 260         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 261                 <div class="container">
 262                         <div class="navbar-header">
 263                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 264                                         <span class="sr-only">Toggle navigation</span>
 265                                         <span class="icon-bar"></span>
 266                                         <span class="icon-bar"></span>
 267                                         <span class="icon-bar"></span>
 268                                 </button>
 269                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 270                         </div>
 271                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 272                                 <ul class="nav navbar-nav">
 273                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 274                                         <li><a href="https://github.com/firehol/netdata" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 275                                         <li><a href="old/" class="btn" target="_blank"><i class="fa fa-step-backward"></i> old dashboard</a></li>
 276 <!--                                    <li><a href="#sec">Visualize</a></li>
 277                                         <li><a href="#sec">Prototype</a></li>
 278 -->                             </ul>
 279                         </nav>
 280                 </div>
 281         </nav>
 282
 283         <div id="masthead" style="display: none;">
 284                 <div class="container">
 285                         <div class="row">
 286                                 <div class="col-md-7">
 287                                         <h1>Netdata Dashboard
 288                                                 <p class="lead">Real time data collection and graphs...</p>
 289                                         </h1>
 290                                 </div>
 291                                 <div class="col-md-5">
 292                                         <div class="well well-lg">
 293                                                 <div class="row">
 294                                                 <div class="col-md-6">
 295                                                         <b>Drag</b> charts to pan.
 296                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 297                                                         <b>Double-click</b> on them, to reset.
 298                                                         <b>Hover</b> on them too!
 299                                                         </div>
 300                                                 <div class="col-md-6">
 301                                                         <div data-netdata="system.intr" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dygraph-type="line" data-dygraph-strokewidth="3" data-dygraph-smooth="true" data-dygraph-highlightcirclesize="6" data-after="-90" data-height="60px" data-colors="#C66"></div>
 302                                                         </div>
 303                                                 </div>
 304                                         </div>
 305                                 </div>
 306                         </div>
 307                 </div>
 308         </div>
 309
 310         <div class="container">
 311                 <div class="row">
 312                         <div class="col-md-10" role="main">
 313                                 <div id="charts_div"></div>
 314                         </div>
 315                         <div class="col-md-2" role="complementary">
 316                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 317                         </div>
 318                 </div>
 319         </div>
 320
 321         <div id="footer" class="container" style="display: none;">
 322                 <div class="row">
 323                         <div class="col-md-10" role="main">
 324                                 <div class="p">
 325                                         <big><a href="https://github.com/firehol/netdata" target="_blank">netdata</a></big><br/>
 326                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 327                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 328                                 </div>
 329                                 <div class="p">
 330                                         <small>
 331                                                 <a href="https://github.com/firehol/netdata" target="_blank">netdata</a> re-distributes these software tools:
 332
 333                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 334                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 335
 336                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 337                                                 <i class="fa fa-copyright"></i> Copyright 2009-2012, Splunk Inc., <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">New BSD License</a>
 338
 339                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 340                                                 <i class="fa fa-copyright"></i> Copyright 2009-2015, Ben Pickles, <a href="https://github.com/benpickles/peity/blob/master/MIT-LICENCE" target="_blank">MIT License</a>
 341
 342                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 343                                                 <i class="fa fa-copyright"></i> Copyright 2013, Robert Fleischmann, <a href="https://github.com/rendro/easy-pie-chart/blob/master/LICENSE" target="_blank">MIT License</a>
 344
 345                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 346                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 347
 348                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 349                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 350
 351                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 352                                                 <i class="fa fa-copyright"></i> Copyright (c) 2011-2014 Min Hur, The New York Times Company, <a href="https://github.com/minhur/bootstrap-toggle/blob/master/LICENSE" target="_blank">MIT License</a>
 353
 354                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 355                                                 <i class="fa fa-copyright"></i> Copyright 2012, James Florentino, <a href="https://github.com/jamesflorentino/nanoScrollerJS/blob/master/LICENSE" target="_blank">MIT License</a>
 356
 357                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 358                                                 <i class="fa fa-copyright"></i> Copyright Marc J. Schmidt, <a href="https://github.com/marcj/css-element-queries/blob/master/LICENSE" target="_blank">MIT License</a>
 359
 360                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 361                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 362
 363                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 364                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 365
 366                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 367                                                 <i class="fa fa-copyright"></i> Created by Dave Gandy, Font: <a href="http://scripts.sil.org/OFL" target="_blank">SIL OFL 1.1 License</a>, CSS: <a href="http://opensource.org/licenses/mit-license.html" target="_blank">MIT License</a>
 368
 369                                                 <i class="fa fa-circle"></i> <a href="http://www.iconsdb.com/soylent-red-icons/seo-performance-icon.html" target="_blank">IconsDB.com Icons</a>, Icons provided as CC0 1.0 Universal (CC0 1.0) Public Domain Dedication.
 370                                         </small>
 371                                 </div>
 372                         </div>
 373                 </div>
 374         </div>
 375
 376         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 377                 <div class="modal-dialog modal-lg" role="document">
 378                         <div class="modal-content">
 379                                 <div class="modal-header">
 380                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 381                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome to netdata!</h4>
 382                                 </div>
 383                                 <div class="modal-body">
 384                                                 <div class="p">
 385                                                 <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b> is the fastest way to visualize data. It is a resource efficient, highly optimized system for collecting and visualizing any type of realtime timeseries data, from CPU usage, disk activity, SQL queries, to web site visitors, e-shop orders, revenue and profits.
 386                                                 </div>
 387                                                 <div class="p">
 388                                                 To make a chart in <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b>, you just need a <b>number</b>. Just a number you can read somehow. <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b> will turn this number to a real time web chart. For collecting these numbers, it supports <a href="https://github.com/firehol/netdata/tree/master/plugins.d" target="_blank">external plugins</a>, even <a href="https://github.com/firehol/netdata/tree/master/charts.d" target="_blank">bash shell plugins</a>. Any computer program, in any language, that can print a few lines of text on its standard output, can be a netdata data collector.
 389                                                 </div>
 390                                                 <div class="p">
 391                                                 <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b> can embed charts everywhere, like this one <div data-netdata="system.cpu" data-dimensions="system" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-system-at="system.cpu.system.modal.1"></div> (my CPU system usage which is <span id="system.cpu.system.modal.1" style="display: inline-block; width: 40px; text-align: right;"></span>%),
 392                                                 or this one <div data-netdata="ipv4.tcppackets" data-dimensions="received" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-show-value-of-received-at="ipv4.tcppackets.received.modal.1"></div> (my IPv4 received TCP packets, which are <span id="ipv4.tcppackets.received.modal.1" style="display: inline-block; width: 60px; text-align: right;"></span>/second).
 393                                                 </div>
 394                                                 <div class="p">
 395                                                 You can have <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b> charts on your site too. Just give it a <code>div</code> and a real time chart, zoomable and draggable will appear (try it even on these tiny ones - <b>drag</b> them to pan horizontally, <b>shift + drag</b> to zoom in, on <b>chrome shift + mouse wheel</b> to zoom in/out, <b>double click</b> on them to reset them - don't be afraid of <b><a href="https://github.com/firehol/netdata/" target="_blank">netdata</a></b> performance - <a href="https://github.com/firehol/netdata/issues/36" target="_blank">a raspberry pi 2 can sustain 300 charts updates per second</a>!).
 396                                                 </div>
 397                                                 <div class="p">
 398                                                 If you like this project, <b>we need help writing documentation, coding plugins, testing new features, supporting end users.</b>
 399                                                 </div>
 400                                                 <div class="p">
 401                                                 We will be glad to have you on board...
 402                                                 </div>
 403                                 </div>
 404                                 <div class="modal-footer">
 405                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 406                                 </div>
 407                         </div>
 408                 </div>
 409         </div>
 410
 411         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 412                 <div class="modal-dialog modal-lg" role="document">
 413                         <div class="modal-content">
 414                                 <div class="modal-header">
 415                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 416                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 417                                 </div>
 418                                 <div class="modal-body">
 419                                         <form id="optionsForm" method="get" class="form-horizontal">
 420                                                 <div class="form-group">
 421                                                         <center>
 422                                                                 <small style="color: #BBBBBB;">Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 423                                                                 <br/>
 424                                                                 To reset all options to their defaults, click <a href="#" onclick="NETDATA.resetOptions(); return false;">here</a>.</small>
 425                                                         </center>
 426
 427                                                         <table>
 428                                                         <tr class="option-row">
 429                                                                 <td class="option-control"><input id="stop_updates_when_focus_is_lost" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="On Focus" data-off="Always" data-width="110px"></td>
 430                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 431                                                                         <small>When set to <b>On Focus</b>, the charts will stop being updated if the page / tab does not have the focus of the user. When set to <b>Always</b>, the charts will always be refreshed. Set it to <b>On Focus</b> it to lower the CPU requirements of the browser (and extend the battery of laptops and tablets) when this page does not have your focus. Set to <b>Always</b> to work on another window (i.e. change the settings of something) and have the charts auto-refresh in this window.</small>
 432                                                                 </td>
 433                                                                 </tr>
 434                                                         <tr class="option-row">
 435                                                                 <td class="option-control">
 436                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 437                                                                 </td>
 438                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 439                                                                         <small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transfered from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transfered and shown). When set to <b>All</b>, all dimensions will always be shown. Set it to <b>Non Zero</b> to lower the data transfered between netdata and your browser, lower the CPU requirements of your browser (fewer lines to draw) and increase the focus on the legends (fewer entries at the legends).</small>
 440                                                                 </td>
 441                                                                 </tr>
 442                                                         <tr class="option-row">
 443                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 444                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 445                                                                         <small>When set to <b>Destroy</b>, charts that are not in the current viewport of the browser (are above, or below the visible area of the page), will be destroyed and re-created if and when they become visible again. When set to <b>Hide</b>, the not-visible charts will be just hidden, to simplify the DOM and speed up your browser. Set it to <b>Destroy</b>, to lower the memory requirements of your browser. Set it to <b>Hide</b> for smoother page scrolling.</small>
 446                                                                 </td>
 447                                                                 </tr>
 448                                                         <tr class="option-row">
 449                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequencial" data-width="110px"></td>
 450                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 451                                                                         <small>When set to <b>parallel</b>, visible charts are refreshed in parallel (all queries are sent to netdata server in parallel) and are rendered asynchronously. When set to <b>sequencial</b> charts are refreshed one after another. Set it to parallel if your browser can cope with it (most modern browsers do), set it to sequencial if you work on an older/slower computer.</small>
 452                                                                 </td>
 453                                                                 </tr>
 454                                                         <tr class="option-row" id="concurrent_refreshes_row">
 455                                                                 <td class="option-control"></td>
 456                                                                 <td class="option-info">
 457                                                                         <table>
 458                                                                         <tr class="option-row">
 459                                                                         <td class="option-control">
 460                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 461                                                                         </td>
 462                                                                         <td class="option-info">
 463                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 464                                                                         <small>When set to <b>Resync</b>, the dashboard will attempt to re-synchronize all the charts so that they are refreshed concurrently. When set to <b>Best Effort</b>, each chart may be refreshed with a little time difference to the others. Normally, the dashboard starts refreshing them in parallel, but depending on the speed of your computer and the network latencies, charts start having a slight time difference. Setting this to <b>Resync</b> will attempt to re-synchronize the charts on every update. Setting it to <b>Best Effort</b> may lower the pressure on your browser and the network.</small>
 465                                                                         </td>
 466                                                                         </tr>
 467                                                                         </table>
 468                                                                 </td>
 469                                                                 </tr>
 470                                                         <tr class="option-row">
 471                                                                 <td class="option-control"><input id="sync_selection" type="checkbox" checked data-toggle="toggle" data-on="Sync" data-off="Don't Sync" data-width="110px"></td>
 472                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 473                                                                         <small>When enabled, a selection on one chart will automatically select the same time on all other visible charts and the legends of all visible charts will be updated to show the selected values. When disabled, only the chart getting the user's attention will be selected. Enable it to get better insights of the data. Disable it if you are on a very slow computer that cannot actually do it.</small>
 474                                                                 </td>
 475                                                                 </tr>
 476                                                         <tr class="option-row">
 477                                                                 <td class="option-control"><input id="sync_pan_and_zoom" type="checkbox" checked data-toggle="toggle"  data-on="Sync" data-off="Don't Sync" data-width="110px"></td>
 478                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 479                                                                         <small>When enabled, pan and zoom operations on a chart will be replicated to all charts (even the ones that are not currently visible - of course only when they will become visible). When disabled, pan and zoom operations will not be propagated to other charts.</small>
 480                                                                 </td>
 481                                                                 </tr>
 482                                                         </table>
 483                                                 </div>
 484                                         </form>
 485                                 </div>
 486                                 <div class="modal-footer">
 487                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 488                                 </div>
 489                         </div>
 490                 </div>
 491         </div>
 492
 493 </body>
 494 </html>
 495 <script>
 496
 497 var demo_hostname = 'netdata.firehol.org';
 498 // var demo_hostname = 'box';
 499
 500 if(document.location.hostname === demo_hostname) {
 501         document.getElementById('masthead').style.display = 'block';
 502 }
 503
 504 var options = {
 505         sparklines_registry: {},
 506         data: null,
 507         hostname: 'netdata_server', // will be overwritten by the netdata server
 508         categories: new Array(),
 509         categories_idx: {},
 510         families: new Array(),
 511         families_idx: {},
 512
 513         chartsPerRow: 0,
 514         chartsMinWidth: 1450,
 515         chartsHeight: 180,
 516         sparklinesHeight: 60
 517 };
 518
 519 // generate a sparkline
 520 // used in the documentation
 521 function sparkline(chart, dimension, units) {
 522         var key = chart + '.' + dimension;
 523
 524         if(typeof units === 'undefined')
 525                 units = '';
 526
 527         if(typeof options.sparklines_registry[key] === 'undefined')
 528                 options.sparklines_registry[key] = { count: 1 };
 529         else
 530                 options.sparklines_registry[key].count++;
 531
 532         key = key + '.' + options.sparklines_registry[key].count;
 533
 534         var h = '<div data-netdata="' + chart + '" data-after="-120" data-width="25%" data-height="15px" data-chart-library="dygraph" data-dygraph-theme="sparkline" data-dimensions="' + dimension + '" data-show-value-of-' + dimension + '-at="' + key + '"></div> (<span id="' + key + '" style="display: inline-block; min-width: 50px; text-align: right;">X</span>' + units + ')';
 535
 536         return h;
 537 }
 538
 539 // documentation for each category and chart
 540 var messages = {
 541
 542         // categories / sections
 543         'system': 'Overview of the key system metrices.',
 544         'tc': 'Netdata collects and visualizes tc class utilization using its <a href="https://github.com/firehol/netdata/blob/master/plugins.d/tc-qos-helper.sh" target="_blank">tc-helper plugin</a>. If you also use <a href="http://firehol.org/#fireqos" target="_blank">FireQOS</a> for setting up QoS, netdata automatically collects interface and class names.',
 545         'net': 'Per network interface statistics collected from <code>/proc/net/dev</code>.',
 546         'apps': 'Per application statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics for applications of interest, defined in <code>/etc/netdata/apps_groups.conf</code> (the default is <a href="https://github.com/firehol/netdata/blob/master/conf.d/apps_groups.conf" target="_blank">here</a>). The plugin internaly builds a process tree (much like <code>ps fax</code> does), and groups processes together (evaluating both child and parent processes) so that the result is always a chart with a predefined set of dimensions (of course, only application groups found running are reported).<br/><b>IMPORTANT</b>: The values shown here are not 100% accurate. They only include values for the processes running. If an application is spawning childs continiously, which are terminated in just a few milliseconds (like shell scripts do), the values reported will be inaccurate. Linux does report the values for the exited childs of a process. However, these values are reported to the parent process <b>only when the child exits</b>. If these values, of the exited child processes, were also aggregated in the charts below, the charts would have been full of spikes, presenting unrealisting utilization for each process group. So, we decided to ignore these values and present only the utilization of <b>the currently running processes</b>.',
 547
 548         // charts
 549         'system.cpu': 'Total CPU utilization (all cores). 100% here means there is no CPU idle time at all. You can get per core usage at the <a href="#cpu">CPUs</a> section and per application usage at the <a href="#apps">Applications Monitoring</a> section.<br/>Keep an eye on <b>iowait</b> ' + sparkline('system.cpu', 'iowait', '%') + '. If it is constantly high, your disks are a bottleneck and they slow your system down.<br/>Another important metric worth monitoring, is <b>softirq</b> ' + sparkline('system.cpu', 'softirq', '%') + '. A constantly high percentage of softirq may indicate network drivers issues.',
 550         'system.io': 'Total Disk I/O, for all disks, read from <code>/proc/vmstat</code>. You can get detailed information about each disk at the <a href="#disk">Disks</a> section and per application Disk usage at the <a href="#apps">Applications Monitoring</a> section.',
 551         'system.swapio': 'Total Swap I/O, read from <code>/proc/vmstat</code>. (netdata measures both <code>in</code> and <code>out</code>. If either of them is not shown in the chart, it is because it is zero - you can change the page settings to always render all the available dimensions on all charts).',
 552         'system.pgfaults': 'Total page faults, read from <code>/proc/vmstat</code>. <b>Major page faults</b> indicates that the system is using its swap. You can find which applications use the swap at the <a href="#apps">Applications Monitoring</a> section.',
 553         'system.entropy': '<a href="https://en.wikipedia.org/wiki/Entropy_(computing)" target="_blank">Entropy</a>, read from <code>/proc/sys/kernel/random/entropy_avail</code>, is like a pool of random numbers that are mainly used in cryptography. It is advised that the pool remains always <a href="https://blog.cloudflare.com/ensuring-randomness-with-linuxs-random-number-generator/" target="_blank">above 200</a>. If the pool of entropy gets empty, you risk your security to be predictable and you should install a user-space random numbers generating daemon, like <a href="http://www.issihosts.com/haveged/" target="_blank">haveged</a>, to keep the pool in healthy levels.',
 554         'system.forks': 'The number of new processes created per second, read from <code>/proc/stat</code>.',
 555         'system.intr': 'Total number of CPU interrupts, read from <code>/proc/stat</code>. Check <code>system.interrupts</code> that gives more detail about each interrupt and also the <a href="#cpu">CPUs</a> section where interrupts are analyzed per CPU core.',
 556         'system.interrupts': 'CPU interrupts in detail, read from <code>/proc/interrupts</code>. At the <a href="#cpu">CPUs</a> section, interrupts are analyzed per CPU core.',
 557         'system.softirqs': 'CPU softirqs in detail, read from <code>/proc/softirqs</code>. At the <a href="#cpu">CPUs</a> section, softirqs are analyzed per CPU core.',
 558         'system.processes': 'System processes, read from <code>/proc/stat</code>. <b>Blocked</b> are processes that are willing to execute but they cannot, e.g. because they wait for disk activity.',
 559         'system.ctxt': '<a href="https://en.wikipedia.org/wiki/Context_switch" target="_blank">Context Switches</a>, read from <code>/proc/stat</code>, is the switching of the CPU from one process, task or thread to another. If there are many processes or threads willing to execute and very few CPU cores available to handle them, the system is making more context switching to balance the CPU resources among them. The whole process is computationally intensive. The more the context switches, the slower the system gets.',
 560         'system.idlejitter': 'Idle jitter is calculated by netdata. A thread is spawned that requests to sleep for a few microseconds. When the system wakes it up, it measures how many microseconds have passed. The different between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in realtime environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).',
 561         'system.ipv4': 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>. This includes <code>lo</code> device traffic.',
 562         'system.ram': 'System memory, read from <code>/proc/meminfo</code>.',
 563         'system.swap': 'System swap memory, read from <code>/proc/meminfo</code>.',
 564
 565         // just a line to allow ending all entries above with comma
 566         'end': 'end'
 567 };
 568
 569 function screenWidth() {
 570         return (($(window).width() * 0.95) - 50);
 571 }
 572
 573 function chartsPerRow(total) {
 574         if(options.chartsPerRow === 0) {
 575                 width = Math.floor(total / options.chartsMinWidth);
 576                 if(width === 0) width = 1;
 577                 return width;
 578         }
 579         else return options.chartsPerRow;
 580 }
 581
 582 function chartsPrioritySort(a, b) {
 583         if(a.priority === b.priority) {
 584                 if(a.name < b.name) return -1;
 585         }
 586         else if(a.priority < b.priority) return -1;
 587         return 1;
 588 }
 589
 590 function uniq(array, find_key, get_result) {
 591         if(typeof get_result === 'undefined' || get_result === null)
 592                 get_result = find_key;
 593
 594         var idx = {};
 595         var result = new Array();
 596
 597         $.each(array, function(i, c) {
 598                 key = find_key(c);
 599                 if(typeof idx[key] === 'undefined') {
 600                         idx[key] = true;
 601                         result.push(get_result(c));
 602                 }
 603         });
 604         return result;
 605 }
 606
 607 function uniq_with_list(array, find_key_function) {
 608         var idx = {};
 609         var result = new Array();
 610
 611         $.each(array, function(i, c) {
 612                 key = find_key_function(c);
 613                 if(typeof idx[key] === 'undefined') {
 614                         idx[key] = new Array();
 615                         result.push( { name: key, values: idx[key] } );
 616                 }
 617                 idx[key].push(c);
 618         });
 619         result.sort(function(a, b) {
 620                 if(a.name < b.name) return -1;
 621                 return 1;
 622         });
 623         return result;
 624 }
 625
 626 function prepareScreen(data) {
 627         // console.log('NETDATA is paused - ready to prepare the screen');
 628         // console.log(data);
 629
 630         options.data = data;
 631         options.hostname = data.hostname;
 632         document.getElementById('hostname').innerHTML = options.hostname;
 633         document.title = options.hostname + ' dashboard';
 634         var charts = data.charts;
 635
 636         $.each(charts, function(i, c) {
 637                 if(c.enabled === true) {
 638
 639                         // find the category of the chart
 640                         c.category = c.type.split('.')[0];
 641
 642                         var tmp = c.category.split('_')[0];
 643                         if(tmp === 'net' || tmp === 'disk')
 644                                 c.category = tmp;
 645
 646                         if(c.category === 'cpu') {
 647                                 if(c.id.match(/^cpu\.cpu[0-9]+$/)) {
 648                                         c.family = 'Utilization';
 649                                 }
 650                                 else if(c.id.match(/^cpu\.cpu[0-9]+_interrupts$/)) {
 651                                         c.family = 'Interrupts';
 652                                 }
 653                                 else if(c.id.match(/^cpu\.cpu[0-9]+_softirqs$/)) {
 654                                         c.family = 'SoftIRQs';
 655                                 }
 656                         }
 657
 658                         switch(c.category) {
 659                                 case 'system':
 660                                         c.category_priority = 10;
 661                                         c.category_title = 'System Summary';
 662                                         c.glyphicon = "glyphicon-dashboard";
 663                                         break;
 664
 665                                 case 'tc':
 666                                         c.category_priority = 20;
 667                                         c.category_title = 'Quality Of Service';
 668                                         c.glyphicon = "glyphicon-random";
 669                                         break;
 670
 671                                 case 'net':
 672                                         c.category_priority = 30;
 673                                         c.category_title = 'Network Interfaces';
 674                                         c.glyphicon = "glyphicon-transfer";
 675                                         break;
 676
 677                                 case 'apps':
 678                                         c.category_priority = 40;
 679                                         c.category_title = 'Applications Monitoring';
 680                                         c.glyphicon = "glyphicon-tasks";
 681                                         break;
 682
 683                                 case 'ipvs':
 684                                         c.category_priority = 50;
 685                                         c.category_title = 'IP Virtual Server';
 686                                         c.glyphicon = "glyphicon-transfer";
 687                                         break;
 688
 689                                 case 'netfilter':
 690                                         c.category_priority = 60;
 691                                         c.category_title = 'Netfilter / IPTables';
 692                                         c.glyphicon = "glyphicon-cloud";
 693                                         break;
 694
 695                                 case 'ipv4':
 696                                         c.category_priority = 70;
 697                                         c.category_title = 'IPv4 Summary';
 698                                         c.glyphicon = "glyphicon-globe";
 699                                         break;
 700
 701                                 case 'mem':
 702                                         c.category_priority = 80;
 703                                         c.category_title = 'Memory';
 704                                         c.glyphicon = "glyphicon-dashboard";
 705                                         break;
 706
 707                                 case 'cpu':
 708                                         c.category_priority = 90;
 709                                         c.category_title = 'CPU Cores';
 710                                         c.glyphicon = "glyphicon-dashboard";
 711                                         break;
 712
 713                                 case 'disk':
 714                                         c.category_priority = 100;
 715                                         c.category_title = 'Disks';
 716                                         c.glyphicon = "glyphicon-hdd";
 717                                         break;
 718
 719                                 case 'nfsd':
 720                                         c.category_priority = 110;
 721                                         c.category_title = 'NFS Server';
 722                                         c.glyphicon = "glyphicon-hdd";
 723                                         break;
 724
 725                                 case 'squid':
 726                                         c.category_priority = 140;
 727                                         c.category_title = 'Proxy Server';
 728                                         c.glyphicon = "glyphicon-link";
 729                                         break;
 730
 731                                 case 'netdata':
 732                                         c.category_priority = 150;
 733                                         c.category_title = 'Netdata Monitoring';
 734                                         c.glyphicon = "glyphicon-thumbs-up";
 735                                         break;
 736
 737                                 case 'sensors':
 738                                         c.category_priority = 160;
 739                                         c.category_title = 'Hardware Sensors';
 740                                         c.glyphicon = "glyphicon-thumbs-up";
 741                                         break;
 742
 743                                 case 'postfix':
 744                                         c.category_priority = 170;
 745                                         c.category_title = 'Mail Server';
 746                                         c.glyphicon = "glyphicon-thumbs-up";
 747                                         break;
 748
 749                                 case 'example':
 750                                         c.category_priority = 100000;
 751                                         c.category_title = 'Example Plugins';
 752                                         c.glyphicon = "glyphicon-search";
 753                                         break;
 754
 755                                 default:
 756                                         c.category_priority = 150;
 757                                         c.category_title = c.type;
 758                                         c.glyphicon = "glyphicon-dashboard";
 759                                         break;
 760                         }
 761
 762                         // find the unique categories
 763                         if(typeof options.categories_idx[c.category] === 'undefined') {
 764                                 options.categories_idx[c.category] = {
 765                                         charts: new Array()
 766                                 }
 767                                 options.categories.push({
 768                                         name: c.category,
 769                                         title: c.category_title,
 770                                         priority: c.category_priority,
 771                                         glyphicon: c.glyphicon,
 772                                         charts: options.categories_idx[c.category].charts
 773                                 });
 774                         }
 775                         options.categories_idx[c.category].charts.push(c);
 776
 777                         // find the unique families
 778                         if(typeof options.families_idx[c.family] === 'undefined') {
 779                                 options.families_idx[c.family] = {
 780                                         charts: new Array()
 781                                 };
 782                                 options.families.push({
 783                                         name: c.family,
 784                                         title: c.family,
 785                                         priority: c.category_priority,
 786                                         glyphicon: c.glyphicon,
 787                                         charts: options.categories_idx[c.category].charts
 788                                 });
 789                         }
 790                         options.families_idx[c.family].charts.push(c);
 791                 }
 792         });
 793
 794         function prioritySort(a, b) {
 795                 if(a.priority < b.priority) return -1;
 796                 if(a.priority > b.priority) return 1;
 797                 if(a.name < b.name) return -1;
 798                 return 1;
 799         }
 800
 801         // sort all of them
 802         options.categories.sort(prioritySort);
 803         options.families.sort(prioritySort);
 804         $.each(options.families,   function(i, c) { c.charts.sort(prioritySort); });
 805
 806         var div = document.getElementById('charts_div');
 807         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
 808
 809         // find the proper duration for per-second updates
 810         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
 811         var html = '';
 812         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
 813
 814         function getMessage(id) {
 815                 if(typeof messages[id] !== 'undefined')
 816                         return '<div class="chart-message" role="document">' + messages[id] + '</div>';
 817                 else
 818                         return '';
 819         }
 820
 821         // render the charts
 822         $.each(options.categories, function(i, t) {
 823                 t.charts.sort(prioritySort);
 824
 825                 sidebar += '<li class="' + ((i === 0)?'active':'').toString() + '"><a href="#' + t.name + '">' + t.title + '</a>';
 826                 html += '<div role="section"><div role="sectionhead"><h1 id="' + t.name + '" role="heading">' + t.title + '</h1>' + getMessage(t.name) + '</div><div id="' + t.name + '" role="document">';
 827
 828                 if(t.name === 'cpu') {
 829                         var families = uniq_with_list(t.charts, function(c) { return c.family; });
 830
 831                         sidebar += '<ul class="nav">';
 832                         $.each(families, function(j, c) {
 833                                 sidebar += '<li class><a href="#' + t.name + '_' + c.name + '">' + c.name + '</a></li>';
 834                                 html += '<div class="netdata-group-container" id="family_' + t.name + '_' + c.name + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + t.name + '_' + c.name + '" class="netdata-chart-alignment" role="heading">' + c.name + '</h2>';
 835                                 $.each(c.values, function(x, f) {
 836                                         var c = null;
 837                                         var h = options.chartsHeight;
 838
 839                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 840                                                 + ' data-width="100%"'
 841                                                 + ' data-height="' + h.toString() + 'px"'
 842                                                 + ' data-before="0"'
 843                                                 + ' data-after="-' + duration.toString() + '"'
 844                                                 + ' data-colors="' + c + '"'
 845                                                 + ' role="application"></div>';
 846                                 });
 847                                 html += '</div>'; // netdata-group-container
 848                         });
 849                         sidebar += '</ul>';
 850                 }
 851                 else if(t.name === 'net' || t.name === 'tc') {
 852                         var interfaces = uniq_with_list(t.charts, function(c) { return c.family; });
 853
 854                         sidebar += '<ul class="nav">';
 855                         $.each(interfaces, function(j, c) {
 856                                 sidebar += '<li class><a href="#' + t.name + '_' + c.name + '">' + c.name + '</a></li>';
 857                                 html += '<div class="netdata-group-container" id="interface_' + t.name + '_' + c.name + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + t.name + '_' + c.name + '" class="netdata-chart-alignment" role="heading">' + c.name + '</h2>';
 858                                 $.each(c.values, function(x, f) {
 859                                         var c = null;
 860                                         var h = options.chartsHeight / 2;
 861                                         switch(f.type) {
 862                                                 case 'net'        : h = options.chartsHeight; break;
 863                                                 case 'tc'         : h = options.chartsHeight; break;
 864                                         }
 865
 866                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 867                                                 + ' data-width="100%"'
 868                                                 + ' data-height="' + h.toString() + 'px"'
 869                                                 + ' data-before="0"'
 870                                                 + ' data-after="-' + duration.toString() + '"'
 871                                                 + ' data-colors="' + c + '"'
 872                                                 + ' role="application"></div>';
 873                                 });
 874                                 html += '</div>'; // netdata-group-container
 875                         });
 876                         sidebar += '</ul>';
 877                 }
 878                 else if(t.name === 'disk') {
 879                         var disks = uniq_with_list(t.charts, function(c) { return c.family; });
 880
 881                         sidebar += '<ul class="nav">';
 882                         $.each(disks, function(j, c) {
 883                                 sidebar += '<li class><a href="#' + c.name + '">' + c.name + '</a></li>';
 884                                 html += '<div class="netdata-group-container" id="disk_' + c.name + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + c.name + '" class="netdata-chart-alignment" role="heading">' + c.name + '</h2>';
 885                                 $.each(c.values, function(x, f) {
 886                                         var c = null;
 887                                         var h = options.chartsHeight / 2;
 888                                         switch(f.type) {
 889                                                 case 'disk'        : h = options.chartsHeight; break;
 890                                                 case 'disk_backlog': c = '#DD4477'; break;
 891                                                 case 'disk_util'   : c = '#109618'; break;
 892                                                 case 'disk_qops'   : c = '#E67300'; break;
 893                                         }
 894
 895                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 896                                                 + ' data-width="100%"'
 897                                                 + ' data-height="' + h.toString() + 'px"'
 898                                                 + ' data-before="0"'
 899                                                 + ' data-after="-' + duration.toString() + '"'
 900                                                 + ' data-colors="' + c + '"'
 901                                                 + ' role="application"></div>';
 902                                 });
 903                                 html += '</div>'; // netdata-group-container
 904                         });
 905                         sidebar += '</ul>';
 906                 }
 907                 else if(t.name === 'apps') {
 908                         $.each(t.charts, function(x, f) {
 909                                 var c = null;
 910                                 var h = options.chartsHeight / 2;
 911                                 switch(f.id) {
 912                                         case 'apps.cpu'         : h = options.chartsHeight; break;
 913                                         case 'apps.preads'      : h = options.chartsHeight; break;
 914                                         case 'apps.pwrites'     : h = options.chartsHeight; break;
 915                                         case 'apps.mem'         : h = options.chartsHeight; break;
 916                                         case 'apps.major_faults': h = options.chartsHeight; break;
 917                                 }
 918
 919                                 html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 920                                         + ' data-width="100%"'
 921                                         + ' data-height="' + h.toString() + 'px"'
 922                                         + ' data-before="0"'
 923                                         + ' data-after="-' + duration.toString() + '"'
 924                                         + ' data-colors="' + c + '"'
 925                                         + ' role="application"></div>';
 926                         });
 927                 }
 928                 else {
 929                         $.each(t.charts, function(x, c) {
 930                                 html += getMessage(c.id) + '<div data-netdata="' + c.id + '"'
 931                                         + ' data-width="' + pcent_width.toString() + '%"'
 932                                         + ' data-height="' + options.chartsHeight.toString() + 'px"'
 933                                         + ' data-before="0"'
 934                                         + ' data-after="-' + duration.toString() + '"'
 935                                         + ' role="application"></div>';
 936                         });
 937                 }
 938
 939                 sidebar += '</li>';
 940                 html += '</div>'; // document
 941                 html += '</div>'; // section
 942                 html += '<hr role="separator"/>';
 943         });
 944         sidebar += '</ul>';
 945 /*
 946         // show the colors
 947         html += '<br/><div class="row">'
 948         $.each(NETDATA.colors, function(i, c){
 949                 html += '<div style="display: inline-block;"><div style="display: inline-block; width: 100px; height: 100px; background: ' + c + ';"></div><br/>' + c + '</div>';
 950         });
 951         html += '</div>'
 952 */
 953         div.innerHTML = html;
 954         document.getElementById('sidebar').innerHTML = sidebar;
 955
 956         // resize all charts - without starting the background thread
 957         // this has to be done while NETDATA is paused
 958         // if we ommit this, the affix menu will be wrong, since all
 959         // the Dom elements are initially zero-sized
 960         NETDATA.parseDom();
 961
 962         // let it run (update the charts)
 963         NETDATA.unpause();
 964
 965         // check if we have to jump to a specific section
 966         var hash = location.hash.replace('#','');
 967         if(hash != '') {
 968                 // Clear the hash in the URL
 969                 // location.hash = '';   // delete front "//" if you want to change the address bar
 970                 var offset = $(location.hash).offset();
 971                 if(typeof offset !== 'undefined')
 972                         $('html, body').animate({ scrollTop: offset.top }, 0);
 973         }
 974
 975         /* activate bootstrap sidebar (affix) */
 976         $('#sidebar').affix({
 977                 offset: {
 978                         top: (document.location.hostname === demo_hostname)?150:0,
 979                         bottom: 0
 980                 }
 981         });
 982
 983         /* fix scrolling of very long affix lists
 984            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
 985          */
 986         $('#sidebar').on('affixed.bs.affix', function() {
 987                 $(this).removeAttr('style');
 988         });
 989
 990         /* activate bootstrap scrollspy (needed for sidebar) */
 991         $(document.body).scrollspy({
 992                 target: '#sidebar',
 993                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
 994         });
 995
 996         document.getElementById('footer').style.display = 'block';
 997
 998
 999         var update_options_visibility = function() {
1000                 // console.log('update_options_visibility');
1001
1002                 var sync_option = function(option) {
1003                         var self = $('#' + option);
1004
1005                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1006                                 // console.log('switching ' + option.toString());
1007                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1008                         }
1009                 }
1010
1011                 sync_option('eliminate_zero_dimensions');
1012                 sync_option('destroy_on_hide');
1013                 sync_option('parallel_refresher');
1014                 sync_option('concurrent_refreshes');
1015                 sync_option('sync_selection');
1016                 sync_option('sync_pan_and_zoom');
1017                 sync_option('stop_updates_when_focus_is_lost');
1018
1019                 if(NETDATA.getOption('parallel_refresher') === false) {
1020                         $('#concurrent_refreshes_row').hide();
1021                 }
1022                 else {
1023                         $('#concurrent_refreshes_row').show();
1024                 }
1025         };
1026         NETDATA.setOption('set_option_callback', update_options_visibility);
1027
1028         // handle options changes
1029         $('#eliminate_zero_dimensions').change(function() { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1030         $('#destroy_on_hide').change(function() { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1031         $('#parallel_refresher').change(function() { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1032         $('#concurrent_refreshes').change(function() { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1033         $('#sync_selection').change(function() { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1034         $('#sync_pan_and_zoom').change(function() { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1035         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1036
1037         if(document.location.hostname === demo_hostname)
1038                 setTimeout(function() {
1039                         $('#welcomeModal').modal();
1040                 }, 1000);
1041 }
1042
1043 NETDATA.ready(function() {
1044
1045         $('#welcomeModal').on('hidden.bs.modal', function (e) {
1046                 NETDATA.updatedDom();
1047         });
1048         $('#welcomeModal').on('shown.bs.modal', function (e) {
1049                 NETDATA.updatedDom();
1050         });
1051
1052         // download all the charts the server knows
1053         NETDATA.chartRegistry.downloadAll(NETDATA.serverDefault, function(data) {
1054
1055                 // pause the NETDATA thread that updates the charts
1056                 NETDATA.pause(function() {
1057
1058                         // prepare our DOM
1059                         // this will be called when NETDATA is paused
1060                         prepareScreen(data);
1061                 });
1062         });
1063 });
1064
1065 </script>