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?v5"></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                                                         <tr class="option-row">
 483                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 484                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 485                                                                         <small>When set to <b>Smooth</b> the charts libraries that support it, will plot smooth curves instead of simple straight lines to connect the points.</small>
 486                                                                 </td>
 487                                                                 </tr>
 488                                                         </table>
 489                                                 </div>
 490                                         </form>
 491                                 </div>
 492                                 <div class="modal-footer">
 493                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 494                                 </div>
 495                         </div>
 496                 </div>
 497         </div>
 498
 499 </body>
 500 </html>
 501 <script>
 502
 503 var demo_hostname = 'netdata.firehol.org';
 504 // var demo_hostname = 'box';
 505
 506 if(document.location.hostname === demo_hostname) {
 507         document.getElementById('masthead').style.display = 'block';
 508 }
 509
 510 var options = {
 511         sparklines_registry: {},
 512         data: null,
 513         hostname: 'netdata_server', // will be overwritten by the netdata server
 514         categories: new Array(),
 515         categories_idx: {},
 516         families: new Array(),
 517         families_idx: {},
 518
 519         chartsPerRow: 0,
 520         chartsMinWidth: 1450,
 521         chartsHeight: 180,
 522         sparklinesHeight: 60
 523 };
 524
 525 // generate a sparkline
 526 // used in the documentation
 527 function sparkline(chart, dimension, units) {
 528         var key = chart + '.' + dimension;
 529
 530         if(typeof units === 'undefined')
 531                 units = '';
 532
 533         if(typeof options.sparklines_registry[key] === 'undefined')
 534                 options.sparklines_registry[key] = { count: 1 };
 535         else
 536                 options.sparklines_registry[key].count++;
 537
 538         key = key + '.' + options.sparklines_registry[key].count;
 539
 540         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 + ')';
 541
 542         return h;
 543 }
 544
 545 // documentation for each category and chart
 546 var messages = {
 547
 548         // categories / sections
 549         'system': 'Overview of the key system metrices.',
 550         '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.',
 551         'net': 'Per network interface statistics collected from <code>/proc/net/dev</code>.',
 552         '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>.',
 553
 554         // charts
 555         '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.',
 556         '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.',
 557         '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).',
 558         '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.',
 559         '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.',
 560         'system.forks': 'The number of new processes created per second, read from <code>/proc/stat</code>.',
 561         '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.',
 562         '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.',
 563         '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.',
 564         '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.',
 565         '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.',
 566         '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).',
 567         'system.ipv4': 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>. This includes <code>lo</code> device traffic.',
 568         'system.ram': 'System memory, read from <code>/proc/meminfo</code>.',
 569         'system.swap': 'System swap memory, read from <code>/proc/meminfo</code>.',
 570
 571         // just a line to allow ending all entries above with comma
 572         'end': 'end'
 573 };
 574
 575 function screenWidth() {
 576         return (($(window).width() * 0.95) - 50);
 577 }
 578
 579 function chartsPerRow(total) {
 580         if(options.chartsPerRow === 0) {
 581                 width = Math.floor(total / options.chartsMinWidth);
 582                 if(width === 0) width = 1;
 583                 return width;
 584         }
 585         else return options.chartsPerRow;
 586 }
 587
 588 function chartsPrioritySort(a, b) {
 589         if(a.priority === b.priority) {
 590                 if(a.name < b.name) return -1;
 591         }
 592         else if(a.priority < b.priority) return -1;
 593         return 1;
 594 }
 595
 596 function uniq(array, find_key, get_result) {
 597         if(typeof get_result === 'undefined' || get_result === null)
 598                 get_result = find_key;
 599
 600         var idx = {};
 601         var result = new Array();
 602
 603         $.each(array, function(i, c) {
 604                 key = find_key(c);
 605                 if(typeof idx[key] === 'undefined') {
 606                         idx[key] = true;
 607                         result.push(get_result(c));
 608                 }
 609         });
 610         return result;
 611 }
 612
 613 function uniq_with_list(array, find_key_function) {
 614         var idx = {};
 615         var result = new Array();
 616
 617         $.each(array, function(i, c) {
 618                 key = find_key_function(c);
 619                 if(typeof idx[key] === 'undefined') {
 620                         idx[key] = new Array();
 621                         result.push( { name: key, values: idx[key] } );
 622                 }
 623                 idx[key].push(c);
 624         });
 625         result.sort(function(a, b) {
 626                 if(a.name < b.name) return -1;
 627                 return 1;
 628         });
 629         return result;
 630 }
 631
 632 function prepareScreen(data) {
 633         // console.log('NETDATA is paused - ready to prepare the screen');
 634         // console.log(data);
 635
 636         options.data = data;
 637         options.hostname = data.hostname;
 638         document.getElementById('hostname').innerHTML = options.hostname;
 639         document.title = options.hostname + ' dashboard';
 640         var charts = data.charts;
 641
 642         $.each(charts, function(i, c) {
 643                 if(c.enabled === true) {
 644
 645                         // find the category of the chart
 646                         c.category = c.type.split('.')[0];
 647
 648                         var tmp = c.category.split('_')[0];
 649                         if(tmp === 'net' || tmp === 'disk')
 650                                 c.category = tmp;
 651
 652                         if(c.category === 'cpu') {
 653                                 if(c.id.match(/^cpu\.cpu[0-9]+$/)) {
 654                                         c.family = 'Utilization';
 655                                 }
 656                                 else if(c.id.match(/^cpu\.cpu[0-9]+_interrupts$/)) {
 657                                         c.family = 'Interrupts';
 658                                 }
 659                                 else if(c.id.match(/^cpu\.cpu[0-9]+_softirqs$/)) {
 660                                         c.family = 'SoftIRQs';
 661                                 }
 662                         }
 663
 664                         switch(c.category) {
 665                                 case 'system':
 666                                         c.category_priority = 10;
 667                                         c.category_title = 'System Summary';
 668                                         c.glyphicon = "glyphicon-dashboard";
 669                                         break;
 670
 671                                 case 'tc':
 672                                         c.category_priority = 20;
 673                                         c.category_title = 'Quality Of Service';
 674                                         c.glyphicon = "glyphicon-random";
 675                                         break;
 676
 677                                 case 'net':
 678                                         c.category_priority = 30;
 679                                         c.category_title = 'Network Interfaces';
 680                                         c.glyphicon = "glyphicon-transfer";
 681                                         break;
 682
 683                                 case 'apps':
 684                                         c.category_priority = 40;
 685                                         c.category_title = 'Applications Monitoring';
 686                                         c.glyphicon = "glyphicon-tasks";
 687                                         break;
 688
 689                                 case 'ipvs':
 690                                         c.category_priority = 50;
 691                                         c.category_title = 'IP Virtual Server';
 692                                         c.glyphicon = "glyphicon-transfer";
 693                                         break;
 694
 695                                 case 'netfilter':
 696                                         c.category_priority = 60;
 697                                         c.category_title = 'Netfilter / IPTables';
 698                                         c.glyphicon = "glyphicon-cloud";
 699                                         break;
 700
 701                                 case 'ipv4':
 702                                         c.category_priority = 70;
 703                                         c.category_title = 'IPv4 Summary';
 704                                         c.glyphicon = "glyphicon-globe";
 705                                         break;
 706
 707                                 case 'mem':
 708                                         c.category_priority = 80;
 709                                         c.category_title = 'Memory';
 710                                         c.glyphicon = "glyphicon-dashboard";
 711                                         break;
 712
 713                                 case 'cpu':
 714                                         c.category_priority = 90;
 715                                         c.category_title = 'CPU Cores';
 716                                         c.glyphicon = "glyphicon-dashboard";
 717                                         break;
 718
 719                                 case 'disk':
 720                                         c.category_priority = 100;
 721                                         c.category_title = 'Disks';
 722                                         c.glyphicon = "glyphicon-hdd";
 723                                         break;
 724
 725                                 case 'nfsd':
 726                                         c.category_priority = 110;
 727                                         c.category_title = 'NFS Server';
 728                                         c.glyphicon = "glyphicon-hdd";
 729                                         break;
 730
 731                                 case 'squid':
 732                                         c.category_priority = 140;
 733                                         c.category_title = 'Proxy Server';
 734                                         c.glyphicon = "glyphicon-link";
 735                                         break;
 736
 737                                 case 'netdata':
 738                                         c.category_priority = 150;
 739                                         c.category_title = 'Netdata Monitoring';
 740                                         c.glyphicon = "glyphicon-thumbs-up";
 741                                         break;
 742
 743                                 case 'sensors':
 744                                         c.category_priority = 160;
 745                                         c.category_title = 'Hardware Sensors';
 746                                         c.glyphicon = "glyphicon-thumbs-up";
 747                                         break;
 748
 749                                 case 'postfix':
 750                                         c.category_priority = 170;
 751                                         c.category_title = 'Mail Server';
 752                                         c.glyphicon = "glyphicon-thumbs-up";
 753                                         break;
 754
 755                                 case 'example':
 756                                         c.category_priority = 100000;
 757                                         c.category_title = 'Example Plugins';
 758                                         c.glyphicon = "glyphicon-search";
 759                                         break;
 760
 761                                 default:
 762                                         c.category_priority = 150;
 763                                         c.category_title = c.type;
 764                                         c.glyphicon = "glyphicon-dashboard";
 765                                         break;
 766                         }
 767
 768                         // find the unique categories
 769                         if(typeof options.categories_idx[c.category] === 'undefined') {
 770                                 options.categories_idx[c.category] = {
 771                                         charts: new Array()
 772                                 }
 773                                 options.categories.push({
 774                                         name: c.category,
 775                                         title: c.category_title,
 776                                         priority: c.category_priority,
 777                                         glyphicon: c.glyphicon,
 778                                         charts: options.categories_idx[c.category].charts
 779                                 });
 780                         }
 781                         options.categories_idx[c.category].charts.push(c);
 782
 783                         // find the unique families
 784                         if(typeof options.families_idx[c.family] === 'undefined') {
 785                                 options.families_idx[c.family] = {
 786                                         charts: new Array()
 787                                 };
 788                                 options.families.push({
 789                                         name: c.family,
 790                                         title: c.family,
 791                                         priority: c.category_priority,
 792                                         glyphicon: c.glyphicon,
 793                                         charts: options.categories_idx[c.category].charts
 794                                 });
 795                         }
 796                         options.families_idx[c.family].charts.push(c);
 797                 }
 798         });
 799
 800         function prioritySort(a, b) {
 801                 if(a.priority < b.priority) return -1;
 802                 if(a.priority > b.priority) return 1;
 803                 if(a.name < b.name) return -1;
 804                 return 1;
 805         }
 806
 807         // sort all of them
 808         options.categories.sort(prioritySort);
 809         options.families.sort(prioritySort);
 810         $.each(options.families,   function(i, c) { c.charts.sort(prioritySort); });
 811
 812         var div = document.getElementById('charts_div');
 813         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
 814
 815         // find the proper duration for per-second updates
 816         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
 817         var html = '';
 818         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
 819
 820         function getMessage(id) {
 821                 if(typeof messages[id] !== 'undefined')
 822                         return '<div class="chart-message" role="document">' + messages[id] + '</div>';
 823                 else
 824                         return '';
 825         }
 826
 827         // render the charts
 828         $.each(options.categories, function(i, t) {
 829                 t.charts.sort(prioritySort);
 830
 831                 sidebar += '<li class="' + ((i === 0)?'active':'').toString() + '"><a href="#' + t.name + '">' + t.title + '</a>';
 832                 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">';
 833
 834                 if(t.name === 'cpu') {
 835                         var families = uniq_with_list(t.charts, function(c) { return c.family; });
 836
 837                         sidebar += '<ul class="nav">';
 838                         $.each(families, function(j, c) {
 839                                 sidebar += '<li class><a href="#' + t.name + '_' + c.name + '">' + c.name + '</a></li>';
 840                                 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>';
 841                                 $.each(c.values, function(x, f) {
 842                                         var c = null;
 843                                         var h = options.chartsHeight;
 844
 845                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 846                                                 + ' data-width="100%"'
 847                                                 + ' data-height="' + h.toString() + 'px"'
 848                                                 + ' data-before="0"'
 849                                                 + ' data-after="-' + duration.toString() + '"'
 850                                                 + ' data-colors="' + c + '"'
 851                                                 + ' role="application"></div>';
 852                                 });
 853                                 html += '</div>'; // netdata-group-container
 854                         });
 855                         sidebar += '</ul>';
 856                 }
 857                 else if(t.name === 'net' || t.name === 'tc') {
 858                         var interfaces = uniq_with_list(t.charts, function(c) { return c.family; });
 859
 860                         sidebar += '<ul class="nav">';
 861                         $.each(interfaces, function(j, c) {
 862                                 sidebar += '<li class><a href="#' + t.name + '_' + c.name + '">' + c.name + '</a></li>';
 863                                 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>';
 864                                 $.each(c.values, function(x, f) {
 865                                         var c = null;
 866                                         var h = options.chartsHeight / 2;
 867                                         switch(f.type) {
 868                                                 case 'net'        : h = options.chartsHeight; break;
 869                                                 case 'tc'         : h = options.chartsHeight; break;
 870                                         }
 871
 872                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 873                                                 + ' data-width="100%"'
 874                                                 + ' data-height="' + h.toString() + 'px"'
 875                                                 + ' data-before="0"'
 876                                                 + ' data-after="-' + duration.toString() + '"'
 877                                                 + ' data-colors="' + c + '"'
 878                                                 + ' role="application"></div>';
 879                                 });
 880                                 html += '</div>'; // netdata-group-container
 881                         });
 882                         sidebar += '</ul>';
 883                 }
 884                 else if(t.name === 'disk') {
 885                         var disks = uniq_with_list(t.charts, function(c) { return c.family; });
 886
 887                         sidebar += '<ul class="nav">';
 888                         $.each(disks, function(j, c) {
 889                                 sidebar += '<li class><a href="#' + c.name + '">' + c.name + '</a></li>';
 890                                 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>';
 891                                 $.each(c.values, function(x, f) {
 892                                         var c = null;
 893                                         var h = options.chartsHeight / 2;
 894                                         switch(f.type) {
 895                                                 case 'disk'        : h = options.chartsHeight; break;
 896                                                 case 'disk_backlog': c = '#DD4477'; break;
 897                                                 case 'disk_util'   : c = '#109618'; break;
 898                                                 case 'disk_qops'   : c = '#E67300'; break;
 899                                         }
 900
 901                                         html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 902                                                 + ' data-width="100%"'
 903                                                 + ' data-height="' + h.toString() + 'px"'
 904                                                 + ' data-before="0"'
 905                                                 + ' data-after="-' + duration.toString() + '"'
 906                                                 + ' data-colors="' + c + '"'
 907                                                 + ' role="application"></div>';
 908                                 });
 909                                 html += '</div>'; // netdata-group-container
 910                         });
 911                         sidebar += '</ul>';
 912                 }
 913                 else if(t.name === 'apps') {
 914                         $.each(t.charts, function(x, f) {
 915                                 var c = null;
 916                                 var h = options.chartsHeight / 2;
 917                                 switch(f.id) {
 918                                         case 'apps.cpu'         : h = options.chartsHeight; break;
 919                                         case 'apps.preads'      : h = options.chartsHeight; break;
 920                                         case 'apps.pwrites'     : h = options.chartsHeight; break;
 921                                         case 'apps.mem'         : h = options.chartsHeight; break;
 922                                         case 'apps.major_faults': h = options.chartsHeight; break;
 923                                 }
 924
 925                                 html += getMessage(f.id) + '<div data-netdata="' + f.id + '"'
 926                                         + ' data-width="100%"'
 927                                         + ' data-height="' + h.toString() + 'px"'
 928                                         + ' data-before="0"'
 929                                         + ' data-after="-' + duration.toString() + '"'
 930                                         + ' data-colors="' + c + '"'
 931                                         + ' role="application"></div>';
 932                         });
 933                 }
 934                 else {
 935                         $.each(t.charts, function(x, c) {
 936                                 html += getMessage(c.id) + '<div data-netdata="' + c.id + '"'
 937                                         + ' data-width="' + pcent_width.toString() + '%"'
 938                                         + ' data-height="' + options.chartsHeight.toString() + 'px"'
 939                                         + ' data-before="0"'
 940                                         + ' data-after="-' + duration.toString() + '"'
 941                                         + ' role="application"></div>';
 942                         });
 943                 }
 944
 945                 sidebar += '</li>';
 946                 html += '</div>'; // document
 947                 html += '</div>'; // section
 948                 html += '<hr role="separator"/>';
 949         });
 950         sidebar += '</ul>';
 951 /*
 952         // show the colors
 953         html += '<br/><div class="row">'
 954         $.each(NETDATA.colors, function(i, c){
 955                 html += '<div style="display: inline-block;"><div style="display: inline-block; width: 100px; height: 100px; background: ' + c + ';"></div><br/>' + c + '</div>';
 956         });
 957         html += '</div>'
 958 */
 959         div.innerHTML = html;
 960         document.getElementById('sidebar').innerHTML = sidebar;
 961
 962         // resize all charts - without starting the background thread
 963         // this has to be done while NETDATA is paused
 964         // if we ommit this, the affix menu will be wrong, since all
 965         // the Dom elements are initially zero-sized
 966         NETDATA.parseDom();
 967
 968         // let it run (update the charts)
 969         NETDATA.unpause();
 970
 971         // check if we have to jump to a specific section
 972         var hash = location.hash.replace('#','');
 973         if(hash != '') {
 974                 // Clear the hash in the URL
 975                 // location.hash = '';   // delete front "//" if you want to change the address bar
 976                 var offset = $(location.hash).offset();
 977                 if(typeof offset !== 'undefined')
 978                         $('html, body').animate({ scrollTop: offset.top }, 0);
 979         }
 980
 981         /* activate bootstrap sidebar (affix) */
 982         $('#sidebar').affix({
 983                 offset: {
 984                         top: (document.location.hostname === demo_hostname)?150:0,
 985                         bottom: 0
 986                 }
 987         });
 988
 989         /* fix scrolling of very long affix lists
 990            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
 991          */
 992         $('#sidebar').on('affixed.bs.affix', function() {
 993                 $(this).removeAttr('style');
 994         });
 995
 996         /* activate bootstrap scrollspy (needed for sidebar) */
 997         $(document.body).scrollspy({
 998                 target: '#sidebar',
 999                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
1000         });
1001
1002         document.getElementById('footer').style.display = 'block';
1003
1004
1005         var update_options_visibility = function() {
1006                 // console.log('update_options_visibility');
1007
1008                 var sync_option = function(option) {
1009                         var self = $('#' + option);
1010
1011                         if(self.prop('checked') !== NETDATA.getOption(option)) {
1012                                 // console.log('switching ' + option.toString());
1013                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
1014                         }
1015                 }
1016
1017                 sync_option('eliminate_zero_dimensions');
1018                 sync_option('destroy_on_hide');
1019                 sync_option('parallel_refresher');
1020                 sync_option('concurrent_refreshes');
1021                 sync_option('sync_selection');
1022                 sync_option('sync_pan_and_zoom');
1023                 sync_option('stop_updates_when_focus_is_lost');
1024                 sync_option('smooth_plot');
1025
1026                 if(NETDATA.getOption('parallel_refresher') === false) {
1027                         $('#concurrent_refreshes_row').hide();
1028                 }
1029                 else {
1030                         $('#concurrent_refreshes_row').show();
1031                 }
1032         };
1033         NETDATA.setOption('set_option_callback', update_options_visibility);
1034
1035         // handle options changes
1036         $('#eliminate_zero_dimensions').change(function() { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
1037         $('#destroy_on_hide').change(function() { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
1038         $('#parallel_refresher').change(function() { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
1039         $('#concurrent_refreshes').change(function() { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
1040         $('#sync_selection').change(function() { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
1041         $('#sync_pan_and_zoom').change(function() { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
1042         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
1043         $('#smooth_plot').change(function() { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
1044
1045         if(document.location.hostname === demo_hostname)
1046                 setTimeout(function() {
1047                         $('#welcomeModal').modal();
1048                 }, 1000);
1049 }
1050
1051 NETDATA.ready(function() {
1052
1053         $('#welcomeModal').on('hidden.bs.modal', function (e) {
1054                 NETDATA.updatedDom();
1055         });
1056         $('#welcomeModal').on('shown.bs.modal', function (e) {
1057                 NETDATA.updatedDom();
1058         });
1059
1060         // download all the charts the server knows
1061         NETDATA.chartRegistry.downloadAll(NETDATA.serverDefault, function(data) {
1062
1063                 // pause the NETDATA thread that updates the charts
1064                 NETDATA.pause(function() {
1065
1066                         // prepare our DOM
1067                         // this will be called when NETDATA is paused
1068                         prepareScreen(data);
1069                 });
1070         });
1071 });
1072
1073 </script>