web/index.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4         <title>netdata dashboard</title>
   5         <meta name="application-name" content="netdata">
   6
   7         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   8         <meta charset="utf-8">
   9         <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  10         <meta name="viewport" content="width=device-width, initial-scale=1">
  11         <meta name="apple-mobile-web-app-capable" content="yes">
  12         <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  13         <meta name="author" content="costa@tsaousis.gr">
  14
  15         <link rel="shortcut icon" href="images/seo-performance-multi-size.ico">
  16
  17         <link rel="apple-touch-icon" href="images/seo-performance-72.png">
  18         <link rel="apple-touch-icon" sizes="72x72" href="images/seo-performance-72.png">
  19         <link rel="apple-touch-icon" sizes="114x114" href="images/seo-performance-114.png">
  20
  21         <link rel="icon" type="image/png" sizes="512x512" href="images/seo-performance-512.png">
  22         <link rel="icon" type="image/png" sizes="256x256" href="images/seo-performance-256.png">
  23         <link rel="icon" type="image/png" sizes="128x128" href="images/seo-performance-128.png">
  24         <link rel="icon" type="image/png" sizes="64x64" href="images/seo-performance-64.png">
  25         <link rel="icon" type="image/png" sizes="48x48" href="images/seo-performance-48.png">
  26         <link rel="icon" type="image/png" sizes="32x32" href="images/seo-performance-32.png">
  27         <link rel="icon" type="image/png" sizes="24x24" href="images/seo-performance-24.png">
  28         <link rel="icon" type="image/png" sizes="16x16" href="images/seo-performance-16.png">
  29
  30         <meta property="og:locale" content="en_US" />
  31         <meta property="og:image" content="http://my-netdata.io/images/post.png"/>
  32         <meta property="og:url" content="http://my-netdata.io/"/>
  33         <meta property="og:type" content="website"/>
  34         <meta property="og:site_name" content="netdata"/>
  35         <meta property="og:title" content="netdata - real-time performance monitoring, done right!"/>
  36         <meta property="og:description" content="Stunning real-time dashboards, blazingly fast and extremely interactive. Zero configuration, zero dependencies, zero maintenance." />
  37
  38         <style>
  39
  40         /* prevent body from hiding under the navbar */
  41         body {
  42                 padding-top: 50px;
  43         }
  44
  45         .loadOverlay {
  46                 position: absolute;
  47                 top: 0px;
  48                 left: 0px;
  49                 width: 100%;
  50                 height:100%;
  51                 z-index: 2000;
  52                 font-size: 10vh;
  53                 font-family: sans-serif;
  54                 padding: 40vh 0 40vh 0;
  55                 font-weight: bold;
  56                 text-align: center;
  57         }
  58
  59         .modal-wide .modal-dialog {
  60                 width: 80%;
  61         }
  62
  63         /* fix # anchors scrolling under the navbar
  64            https://github.com/twbs/bootstrap/issues/1768#issuecomment-46519033
  65          */
  66         h1 {
  67                 position: relative;
  68                 z-index: -1;
  69         }
  70         h2 {
  71                 position: relative;
  72                 z-index: -2;
  73         }
  74         h1:before, h2:before {
  75                 display: block;
  76                 content: " ";
  77                 margin-top: -70px;
  78                 height: 70px;
  79                 visibility: hidden;
  80         }
  81
  82         .p {
  83                 display: block;
  84                 margin-top: 15px;
  85         }
  86
  87         .option-row,
  88         .option-control {
  89                 vertical-align: top;
  90                 padding: 10px;
  91                 padding-top: 30px;
  92                 padding-left: 30px;
  93         }
  94
  95         .option-info {
  96                 padding: 10px;
  97         }
  98
  99         .chart-message {
 100                 display: block;
 101                 margin-top: 10px;
 102         }
 103
 104         .container {
 105                 width: 90% !important;
 106         }
 107
 108         #masthead h1 {
 109                 /*font-size: 30px;*/
 110                 line-height: 1;
 111                 padding-top: 30px;
 112         }
 113
 114         #masthead .well {
 115                 margin-top:4%;
 116         }
 117
 118         /* fix the navbar shifting when a modal is open */
 119         /* https://github.com/twbs/bootstrap/issues/14040#issuecomment-159891033 */
 120         body.modal-open{
 121                 width: 100% !important;
 122                 padding-right: 0 !important;
 123 /*              overflow-y: scroll !important; */
 124 /*              position: fixed !important;*/
 125                 overflow: visible;
 126         }
 127
 128         /*
 129          * Side navigation
 130          *
 131          * Scrollspy and affixed enhanced navigation to highlight sections and secondary
 132          * sections of docs content.
 133          */
 134
 135         .affix {
 136                 position: static;
 137                 top: 70px !important;
 138                 /*width: 220px;*/
 139         }
 140
 141         .affix-top {
 142                 /*width: 220px;*/
 143         }
 144
 145         .dashboard-sidebar {
 146                 max-height: calc(100% - 70px) !important;
 147                 overflow-y: auto;
 148                 /*width: 220px !important;*/
 149         }
 150
 151         /* By default it's not affixed in mobile views, so undo that */
 152         .dashboard-sidebar.affix {
 153                 position: static;
 154         }
 155
 156         @media (min-width: 768px) {
 157                 .dashboard-sidebar {
 158                         padding-left: 20px;
 159                 }
 160         }
 161
 162         /* First level of nav */
 163         .dashboard-sidenav {
 164                 margin-top: 20px;
 165                 margin-bottom: 20px;
 166         }
 167
 168         /* All levels of nav */
 169         .dashboard-sidebar .nav > li > a {
 170                 display: block;
 171                 padding: 4px 20px;
 172                 font-size: 13px;
 173                 font-weight: 500;
 174                 color: #767676;
 175         }
 176         .dashboard-sidebar .nav > li > a:hover,
 177         .dashboard-sidebar .nav > li > a:focus {
 178                 padding-left: 19px;
 179                 color: #563d7c;
 180                 text-decoration: none;
 181                 background-color: transparent;
 182                 border-left: 1px solid #563d7c;
 183         }
 184         .dashboard-sidebar .nav > .active > a,
 185         .dashboard-sidebar .nav > .active:hover > a,
 186         .dashboard-sidebar .nav > .active:focus > a {
 187                 padding-left: 18px;
 188                 font-weight: bold;
 189                 color: #563d7c;
 190                 background-color: transparent;
 191                 border-left: 2px solid #563d7c;
 192         }
 193
 194         /* Nav: second level (shown on .active) */
 195         .dashboard-sidebar .nav .nav {
 196                 display: none; /* Hide by default, but at >768px, show it */
 197                 padding-bottom: 10px;
 198         }
 199         .dashboard-sidebar .nav .nav > li > a {
 200                 padding-top: 1px;
 201                 padding-bottom: 1px;
 202                 padding-left: 30px;
 203                 font-size: 12px;
 204                 font-weight: normal;
 205         }
 206         .dashboard-sidebar .nav .nav > li > a:hover,
 207         .dashboard-sidebar .nav .nav > li > a:focus {
 208                 padding-left: 29px;
 209         }
 210         .dashboard-sidebar .nav .nav > .active > a,
 211         .dashboard-sidebar .nav .nav > .active:hover > a,
 212         .dashboard-sidebar .nav .nav > .active:focus > a {
 213                 padding-left: 28px;
 214                 font-weight: 500;
 215         }
 216
 217         .dropdown-menu {
 218                 min-width: 200px;
 219         }
 220         .dropdown-menu.columns-2 {
 221                 margin: 0;
 222                 padding: 0;
 223                 width: 400px;
 224         }
 225         .dropdown-menu li a {
 226                 padding: 5px 15px;
 227                 font-weight: 300;
 228         }
 229         .dropdown-menu.multi-column {
 230                 overflow-x: hidden;
 231         }
 232         .multi-column-dropdown {
 233                 list-style: none;
 234                 padding: 0;
 235         }
 236         .multi-column-dropdown li a {
 237                 display: block;
 238                 clear: both;
 239                 line-height: 1.428571429;
 240                 white-space: normal;
 241         }
 242         .multi-column-dropdown li a:hover {
 243                 text-decoration: none;
 244                 color: #f5f5f5;
 245                 background-color: #262626;
 246         }
 247         .scrollable-menu {
 248                 height: auto;
 249                 max-height: 80vh;
 250                 overflow-x: hidden;
 251         }
 252
 253         /* Back to top (hidden on mobile) */
 254         .back-to-top,
 255         .dashboard-theme-toggle {
 256                 display: none;
 257                 padding: 4px 10px;
 258                 margin-top: 10px;
 259                 margin-left: 10px;
 260                 font-size: 12px;
 261                 font-weight: 500;
 262                 color: #999;
 263         }
 264         .back-to-top:hover,
 265         .dashboard-theme-toggle:hover {
 266                 color: #563d7c;
 267                 text-decoration: none;
 268         }
 269         .dashboard-theme-toggle {
 270                 margin-top: 0;
 271         }
 272
 273         @media (min-width: 768px) {
 274                 .back-to-top,
 275                 .dashboard-theme-toggle {
 276                         display: block;
 277                 }
 278
 279                 /* Widen the fixed sidebar */
 280                 .dashboard-sidebar.affix,
 281                 .dashboard-sidebar.affix-top,
 282                 .dashboard-sidebar.affix-bottom {
 283                         width: 200px !important;
 284                 }
 285
 286                 .dashboard-sidebar.affix {
 287                         position: fixed; /* Undo the static from mobile first approach */
 288                         top: 20px;
 289                 }
 290
 291                 .dashboard-sidebar.affix-bottom {
 292                         position: absolute; /* Undo the static from mobile first approach */
 293                 }
 294
 295                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 296                 .dashboard-sidebar.affix .dashboard-sidenav {
 297                         margin-top: 0;
 298                         margin-bottom: 0;
 299                 }
 300         }
 301
 302         /* Show and affix the side nav when space allows it */
 303         @media (min-width: 992px) {
 304                 .dashboard-sidebar .nav > .active > ul {
 305                         display: block;
 306                 }
 307
 308                 /* Widen the fixed sidebar */
 309                 .dashboard-sidebar.affix,
 310                 .dashboard-sidebar.affix-top,
 311                 .dashboard-sidebar.affix-bottom {
 312                         width: 200px !important;
 313                 }
 314                 .dashboard-sidebar.affix {
 315                         position: fixed; /* Undo the static from mobile first approach */
 316                         top: 20px;
 317                 }
 318                 .dashboard-sidebar.affix-bottom {
 319                         position: absolute; /* Undo the static from mobile first approach */
 320                 }
 321                 .dashboard-sidebar.affix-bottom .dashboard-sidenav,
 322                 .dashboard-sidebar.affix .dashboard-sidenav {
 323                         margin-top: 0;
 324                         margin-bottom: 0;
 325                 }
 326         }
 327
 328         @media (min-width: 1200px) {
 329                 /* Widen the fixed sidebar again */
 330                 .dashboard-sidebar.affix-bottom,
 331                 .dashboard-sidebar.affix-top,
 332                 .dashboard-sidebar.affix {
 333                         width: 263px;
 334                 }
 335         }
 336         </style>
 337
 338         <!-- check which theme to use -->
 339         <script type="text/javascript">
 340                 // --------------------------------------------------------------------
 341                 // urlOptions
 342
 343                 var urlOptions = {
 344                         hash: '#',
 345                         theme: null,
 346                         help: null,
 347                         pan_and_zoom: false,
 348                         after: 0,
 349                         before: 0,
 350                         nowelcome: 0,
 351                         hasProperty: function(property) {
 352                                 // console.log('checking property ' + property + ' of type ' + typeof(this[property]));
 353                                 return typeof this[property] !== 'undefined';
 354                         }
 355                 };
 356
 357                 function netdataPanAndZoomCallback(status, after, before) {
 358                         urlOptions.pan_and_zoom = status;
 359                         urlOptions.after = after;
 360                         urlOptions.before = before;
 361                         netdataHashUpdate();
 362                 }
 363
 364                 function netdataHashUpdate() {
 365                         history.replaceState(null, document.title, netdataHash());
 366                 }
 367
 368                 function netdataHash() {
 369                         var hash = urlOptions.hash;
 370
 371                         if(urlOptions.pan_and_zoom === true) {
 372                                 hash += ';after='  + urlOptions.after.toString() +
 373                                         ';before=' + urlOptions.before.toString();
 374                         }
 375
 376                         if(urlOptions.theme !== null)
 377                                 hash += ';theme=' + urlOptions.theme.toString();
 378
 379                         if(urlOptions.help !== null)
 380                                 hash += ';help=' + urlOptions.help.toString();
 381
 382                         return hash;
 383                 }
 384
 385                 function netdataHashParse() {
 386                         var variables = document.location.hash.split(';');
 387                         var len = variables.length;
 388                         while(len--) {
 389                                 if(len !== 0) {
 390                                         var p = variables[len].split('=');
 391                                         if(urlOptions.hasProperty(p[0]) && typeof p[1] !== 'undefined')
 392                                                 urlOptions[p[0]] = p[1];
 393                                 }
 394                                 else {
 395                                         if(variables[len].length > 0)
 396                                                 urlOptions.hash = variables[len];
 397                                 }
 398                         }
 399
 400                         if(urlOptions.before > 0 && urlOptions.after > 0)
 401                                 urlOptions.pan_and_zoom = true;
 402
 403                         // console.log(urlOptions);
 404                 }
 405
 406                 netdataHashParse();
 407
 408                 // --------------------------------------------------------------------
 409                 // check options that should be processed before loading netdata.js
 410
 411                 function loadLocalStorage(name) {
 412                         var ret = null;
 413
 414                         try {
 415                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object')
 416                                         ret = localStorage.getItem(name);
 417                         }
 418                         catch(error) {
 419                                 ;
 420                         }
 421
 422                         if(typeof ret === 'undefined' || ret === null)
 423                                 return null;
 424
 425                         // console.log('loaded: ' + name.toString() + ' = ' + ret.toString());
 426
 427                         return ret;
 428                 }
 429
 430                 function saveLocalStorage(name, value) {
 431                         // console.log('saving: ' + name.toString() + ' = ' + value.toString());
 432                         try {
 433                                 if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
 434                                         localStorage.setItem(name, value.toString());
 435                                         return true;
 436                                 }
 437                         }
 438                         catch(error) {
 439                                 ;
 440                         }
 441
 442                         return false;
 443                 }
 444
 445                 function getTheme(def) {
 446                         var ret = loadLocalStorage('netdataTheme');
 447                         if(typeof ret === 'undefined' || ret === null || ret === 'undefined')
 448                                 return def;
 449                         else
 450                                 return ret;
 451                 }
 452
 453                 function setTheme(theme) {
 454                         if(theme === netdataTheme) return false;
 455                         return saveLocalStorage('netdataTheme', theme);
 456                 }
 457
 458                 var netdataTheme = getTheme('slate');
 459                 var netdataShowHelp = true;
 460
 461                 if(urlOptions.theme !== null) {
 462                         setTheme(urlOptions.theme);
 463                         netdataTheme = urlOptions.theme;
 464                 }
 465                 else
 466                         urlOptions.theme = netdataTheme;
 467
 468                 if(urlOptions.help !== null) {
 469                         saveLocalStorage('options.show_help', urlOptions.help);
 470                         netdataShowHelp = urlOptions.help;
 471                 }
 472                 else {
 473                         urlOptions.help = loadLocalStorage('options.show_help');
 474                 }
 475
 476                 // --------------------------------------------------------------------
 477                 // registry call back to render my-netdata menu
 478
 479                 var netdataRegistryCallback = function(machines_array) {
 480                         var el = '';
 481                         var a1 = '';
 482                         var found = 0;
 483
 484                         if(machines_array) {
 485                                 function name_comparator_desc(a, b) {
 486                                         if (a.name > b.name) return -1;
 487                                         if (a.name < b.name) return 1;
 488                                         return 0;
 489                                 }
 490
 491                                 var machines = machines_array.sort(name_comparator_desc);
 492                                 var len = machines.length;
 493                                 while(len--) {
 494                                         var u = machines[len];
 495                                         found++;
 496                                         el += '<li id="registry_server_' + u.guid + '"><a class="registry_link" href="' + u.url + '" onClick="return gotoServerModalHandler(\'' + u.guid + '\');">' + u.name + '</a></li>';
 497                                         a1 += '<li id="registry_action_' + u.guid + '"><a href="#" onclick="deleteRegistryModalHandler(\'' + u.guid + '\',\'' + u.name + '\',\'' + u.url + '\'); return false;"><i class="fa fa-trash-o" aria-hidden="true" style="color: #999;"></i></a></li>';
 498                                 }
 499                         }
 500
 501                         if(!found) {
 502                                 if(machines)
 503                                         el += '<li><a href="https://github.com/firehol/netdata/wiki/mynetdata-menu-item" style="color: #666;" target="_blank">your netdata server list is empty...</a></li>';
 504                                 else
 505                                         el += '<li><a href="https://github.com/firehol/netdata/wiki/mynetdata-menu-item" style="color: #666;" target="_blank">failed to contact the registry...</a></li>';
 506
 507                                 a1 += '<li><a href="#" onClick="return false;">&nbsp;</a></li>';
 508
 509                                 el += '<li role="separator" class="divider"></li>' +
 510                                                 '<li><a href="//london.netdata.rocks/default.html">EU - London (DigitalOcean.com)</a></li>' +
 511                                                 '<li><a href="//atlanta.netdata.rocks/default.html">US - Atlanta (CDN77.com)</a></li>' +
 512                                                 '<li><a href="//athens.netdata.rocks/default.html">EU - Athens</a></li>';
 513                                 a1 += '<li role="separator" class="divider"></li>' +
 514                                                 '<li><a href="#">&nbsp;</a></li>' +
 515                                                 '<li><a href="#">&nbsp;</a></li>'+
 516                                                 '<li><a href="#">&nbsp;</a></li>';
 517                         }
 518
 519                         el += '<li role="separator" class="divider"></li>';
 520                         a1 += '<li role="separator" class="divider"></li>';
 521
 522                         el += '<li><a href="https://github.com/firehol/netdata/wiki/mynetdata-menu-item" style="color: #999;" target="_blank">What is this?</a></li>';
 523                         a1 += '<li><a href="#" style="color: #999;" onclick="switchRegistryModalHandler(); return false;"><i class="fa fa-cog" aria-hidden="true" style="color: #999;"></i></a></li>'
 524
 525                         document.getElementById('mynetdata_servers').innerHTML = el;
 526                         document.getElementById('mynetdata_servers2').innerHTML = el;
 527                         document.getElementById('mynetdata_actions1').innerHTML = a1;
 528
 529                         gotoServerInit();
 530                 };
 531
 532         </script>
 533
 534         <!-- load the dashboard manager - it will do the rest -->
 535         <script type="text/javascript" src="dashboard.js?v41"></script>
 536 </head>
 537 <body data-spy="scroll" data-target="#sidebar">
 538         <div id="loadOverlay" class="loadOverlay" style="background-color: #888; color: #888;">
 539                 netdata<br/><div style="font-size: 3vh;">Real-time performance monitoring, done right!</div>
 540         </div>
 541         <script type="text/javascript">
 542                 // change the loadOverlay colors ASAP to match the theme
 543                 document.getElementById('loadOverlay').style = (urlOptions.theme === 'slate')?"background-color:#272b30; color: #373b40;":"background-color:#fff; color: #ddd;";
 544         </script>
 545         <nav class="navbar navbar-default navbar-fixed-top" role="banner">
 546                 <div class="container">
 547                         <nav id="mynetdata_nav" class="collapse navbar-collapse navbar-left hidden-sm hidden-xs" role="navigation" style="padding-right: 20px;">
 548                                 <ul class="nav navbar-nav">
 549                                         <li class="dropdown">
 550                                                 <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="current_view">my-netdata <strong class="caret"></strong></a>
 551                                                 <ul class="dropdown-menu scrollable-menu inpagemenu multi-column columns-2" role="menu">
 552                                                         <div class="row">
 553                                                                 <div class="col-sm-6" style="width: 85%; padding-right: 0;">
 554                                                                         <ul id="mynetdata_servers" class="multi-column-dropdown">
 555                                                                                 <li><a href="#" onclick="return false;" style="color: #999;">loading...</a></li>
 556                                                                         </ul>
 557                                                                 </div>
 558                                                                 <div class="col-sm-3 hidden-xs" style="width: 15%; padding-left: 0;">
 559                                                                         <ul id="mynetdata_actions1" class="multi-column-dropdown">
 560                                                                         <li style="color: #999;">&nbsp;</li>
 561                                                                         </ul>
 562                                                                 </div>
 563                                                         </div>
 564                                                 </ul>
 565                                         </li>
 566                                 </ul>
 567                         </nav>
 568                         <div class="navbar-header">
 569                                 <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".navbar-collapse">
 570                                         <span class="sr-only">Toggle navigation</span>
 571                                         <span class="icon-bar"></span>
 572                                         <span class="icon-bar"></span>
 573                                         <span class="icon-bar"></span>
 574                                 </button>
 575                                 <a href="/" class="navbar-brand" id="hostname">netdata</a>
 576                         </div>
 577                         <nav class="collapse navbar-collapse navbar-right" role="navigation">
 578                                 <ul class="nav navbar-nav">
 579                                         <li class="hidden-sm"><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 580                                         <li class="hidden-sm"><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 581                                         <li class="hidden-sm" id="updateButton"><a href="#" class="btn" data-toggle="modal" data-target="#updateModal"><i class="fa fa-cloud-download"></i> update</a></li>
 582                                         <li class="hidden-sm"><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 583                                         <li class="dropdown hidden-md hidden-lg hidden-xs">
 584                                                 <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="current_view">Menu <strong class="caret"></strong></a>
 585                                                 <ul class="dropdown-menu scrollable-menu inpagemenu" role="menu">
 586                                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#optionsModal"><i class="fa fa-cog"></i> settings</a></li>
 587                                                         <li><a href="https://github.com/firehol/netdata/wiki" class="btn" target="_blank"><i class="fa fa-github"></i> community</a></li>
 588                                                         <li><a href="#" class="btn" data-toggle="modal" data-target="#helpModal"><i class="fa fa-question-circle"></i> help</a></li>
 589                                                 </ul>
 590                                         </li>
 591                                         <li class="dropdown hidden-sm hidden-md hidden-lg">
 592                                                 <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="current_view">my-netdata <strong class="caret"></strong></a>
 593                                                 <ul id="mynetdata_servers2" class="dropdown-menu scrollable-menu inpagemenu" role="menu">
 594                                                         <li><a href="#" onclick="return false;" style="color: #999;">loading...</a></li>
 595                                                 </ul>
 596                                         </li>
 597                                 </ul>
 598                         </nav>
 599         </nav>
 600                 </div>
 601         </nav>
 602
 603         <div id="masthead" style="display: none;">
 604                 <div class="container">
 605                         <div class="row">
 606                                 <div class="col-md-7">
 607                                         <h1>Netdata
 608                                                 <p class="lead">Real-time performance monitoring, in the greatest possible detail</p>
 609                                         </h1>
 610                                 </div>
 611                                 <div class="col-md-5">
 612                                         <div class="well well-lg">
 613                                                 <div class="row">
 614                                                 <div class="col-md-6">
 615                                                         <b>Drag</b> charts to pan.
 616                                                         <b>Shift + wheel</b> on them, to zoom in and out.
 617                                                         <b>Double-click</b> on them, to reset.
 618                                                         <b>Hover</b> on them too!
 619                                                         </div>
 620                                                 <div class="col-md-6">
 621                                                         <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>
 622                                                         </div>
 623                                                 </div>
 624                                         </div>
 625                                 </div>
 626                         </div>
 627                 </div>
 628         </div>
 629
 630         <div class="container">
 631                 <div class="row">
 632                         <div class="col-md-10" role="main">
 633                                 <div id="charts_div"></div>
 634                         </div>
 635                         <div class="col-md-2" role="complementary">
 636                                 <nav class="dashboard-sidebar hidden-print hidden-xs hidden-sm" id="sidebar" role="menu"></nav>
 637                         </div>
 638                 </div>
 639         </div>
 640
 641         <div id="footer" class="container" style="display: none;">
 642                 <div class="row">
 643                         <div class="col-md-10" role="main">
 644                                 <div class="p">
 645                                         <big><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></big><br/>
 646                                         <i class="fa fa-copyright"></i> Copyright 2016, Costa Tsaousis.<br/>
 647                                         Released under <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target="_blank">GPL v3 or later</a>.<br/>
 648                                 </div>
 649                                 <div class="p">
 650                                         <small>
 651                                                 <a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a> re-distributes these software tools:
 652
 653                                                 <i class="fa fa-circle"></i> The excellent <a href="http://dygraphs.com/" target="_blank">Dygraphs.com</a> web chart library,
 654                                                 <i class="fa fa-copyright"></i> Copyright 2009, Dan Vanderkam, <a href="http://dygraphs.com/legal.html" target="_blank">MIT License</a>
 655
 656                                                 <i class="fa fa-circle"></i> <a href="http://omnipotent.net/jquery.sparkline/" target="_blank">jQuery Sparklines</a> web chart library,
 657                                                 <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>
 658
 659                                                 <i class="fa fa-circle"></i> <a href="http://benpickles.github.io/peity/" target="_blank">Peity</a> web chart library,
 660                                                 <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>
 661
 662                                                 <i class="fa fa-circle"></i> <a href="https://rendro.github.io/easy-pie-chart/" target="_blank">Easy Pie Chart</a> web chart library,
 663                                                 <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>
 664
 665                                                 <i class="fa fa-circle"></i> <a href="http://bernii.github.io/gauge.js/" target="_blank">Gauge.js</a> web chart library,
 666                                                 <i class="fa fa-copyright"></i> Copyright, Bernard Kobos, <a href="http://bernii.github.io/gauge.js/" target="_blank">MIT License</a>
 667
 668                                                 <i class="fa fa-circle"></i> <a href="https://jquery.org/" target="_blank">jQuery</a>,
 669                                                 <i class="fa fa-copyright"></i> Copyright 2015, jQuery Foundation, <a href="https://jquery.org/license/" target="_blank">MIT License</a>
 670
 671                                                 <i class="fa fa-circle"></i> <a href="http://getbootstrap.com/getting-started/" target="_blank">Bootstrap</a>,
 672                                                 <i class="fa fa-copyright"></i> Copyright 2015, Twitter, <a href="http://getbootstrap.com/getting-started/#license-faqs" target="_blank">MIT License</a>
 673
 674                                                 <i class="fa fa-circle"></i> <a href="http://www.bootstraptoggle.com/" target="_blank">Bootstrap Toggle</a>,
 675                                                 <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>
 676
 677                                                 <i class="fa fa-circle"></i> <a href="https://jamesflorentino.github.io/nanoScrollerJS/" target="_blank">NanoScroller</a>,
 678                                                 <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>
 679
 680                                                 <i class="fa fa-circle"></i> <a href="https://github.com/marcj/css-element-queries" target="_blank">CSS Element Queries</a>,
 681                                                 <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>
 682
 683                                                 <i class="fa fa-circle"></i> <a href="https://fortawesome.github.io/Font-Awesome/" target="_blank">FontAwesome</a>,
 684                                                 <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>
 685
 686                                                 <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.
 687
 688                                                 <i class="fa fa-circle"></i> <a href="http://morrisjs.github.io/morris.js/" target="_blank">morris.js</a>,
 689                                                 <i class="fa fa-copyright"></i> Copyright 2013, Olly Smith, <a href="http://morrisjs.github.io/morris.js/" target="_blank">Simplified BSD License</a>
 690
 691                                                 <i class="fa fa-circle"></i> <a href="http://raphaeljs.com/" target="_blank">Raphaël</a>,
 692                                                 <i class="fa fa-copyright"></i> Copyright 2008, Dmitry Baranovskiy, <a href="http://raphaeljs.com/license.html" target="_blank">MIT License</a>
 693
 694                                                 <i class="fa fa-circle"></i> <a href="http://C3js.org/" target="_blank">C3</a>,
 695                                                 <i class="fa fa-copyright"></i> Copyright 2013, Masayuki Tanaka, <a href="https://github.com/masayuki0812/c3/blob/master/LICENSE" target="_blank">MIT License</a>
 696
 697                                                 <i class="fa fa-circle"></i> <a href="http://D3js.org/" target="_blank">D3</a>,
 698                                                 <i class="fa fa-copyright"></i> Copyright 2015, Mike Bostock, <a href="http://opensource.org/licenses/BSD-3-Clause" target="_blank">BSD License</a>
 699
 700                                         </small>
 701                                 </div>
 702                         </div>
 703                 </div>
 704         </div>
 705
 706         <div class="modal fade" id="welcomeModal" tabindex="-1" role="dialog" aria-labelledby="welcomeModalLabel">
 707                 <div class="modal-dialog modal-lg" role="document">
 708                         <div class="modal-content">
 709                                 <div class="modal-header">
 710                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 711                                         <h4 class="modal-title" id="welcomeModalLabel">Welcome!</h4>
 712                                 </div>
 713                                 <div class="modal-body">
 714                                                 <div class="p">
 715                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> is the fastest way to visualize metrics. It is a resource efficient, highly optimized system for collecting and visualizing any type of real-time time series data, from CPU usage, disk activity, SQL queries, API calls, web site visitors, etc.
 716                                                 </div>
 717                                                 <div class="p">
 718                                                 <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata</a></b> tries to visualize the truth of <b>now</b>, in its <b>greatest detail</b>, so that you can get insights of what is happening now and what just happened, on your systems and applications.
 719                                                 </div>
 720                                                 <div class="p">
 721                                                 To make a chart in <b><a href="https://github.com/firehol/netdata/wiki" 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/wiki" target="_blank">netdata</a></b> will turn this number to a real time, interactive, web chart. For collecting these numbers, it supports <a href="https://github.com/firehol/netdata/wiki/External-Plugins" target="_blank">external plugins</a>, even <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">shell</a> or <a href="https://github.com/firehol/netdata/wiki/General-Info---charts.d" target="_blank">node.js</a> plugins. Any computer program, in any language, that can print a few lines of text on its standard output, can be a netdata data collector.
 722                                                 </div>
 723                                                 <div class="p">
 724                                                 <b><a href="https://github.com/firehol/netdata/wiki" 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>%),
 725                                                 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).
 726                                                 </div>
 727                                                 <div class="p">
 728                                                 You can have <b><a href="https://github.com/firehol/netdata/wiki" 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/wiki" target="_blank">netdata</a></b> performance - <a href="https://github.com/firehol/netdata/wiki/Performance" target="_blank">a raspberry pi 2 can sustain 300 charts updates per second</a>!).
 729                                                 </div>
 730                                                 <div class="p">
 731                                                 For more information please refer to the <b><a href="https://github.com/firehol/netdata/wiki" target="_blank">netdata wiki</a></b>.
 732                                                 </div>
 733                                 </div>
 734                                 <div class="modal-footer">
 735                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 736                                 </div>
 737                         </div>
 738                 </div>
 739         </div>
 740
 741         <div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="helpModalLabel">
 742                 <div class="modal-dialog modal-lg" role="document">
 743                         <div class="modal-content">
 744                                 <div class="modal-header">
 745                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 746                                         <h4 class="modal-title" id="helpModalLabel">Dashboard Help</h4>
 747                                 </div>
 748                                 <div class="modal-body">
 749
 750                                         <h4>Dygraphs (line, area and stacked area charts)</h4>
 751
 752                                         <!-- Nav tabs -->
 753                                         <ul class="nav nav-tabs" role="tablist">
 754                                                 <li role="presentation" class="active"><a href="#help_mouse" aria-controls="help_mouse" role="tab" data-toggle="tab">Mouse Interface</a></li>
 755                                                 <li role="presentation"><a href="#help_touch" aria-controls="help_touch" role="tab" data-toggle="tab">Touch Interface</a></li>
 756                                         </ul>
 757
 758                                         <!-- Tab panes -->
 759                                         <div class="tab-content">
 760                                                 <div role="tabpanel" class="tab-pane active" id="help_mouse">
 761                                                         <div class="p">
 762                                                                 <h4>Mouse Over / Hover</h4>
 763                                                                 Mouse over on a chart to show, at its legend, the values for the timestamp under the mouse (the chart will also highlight the point at the chart).
 764                                                                 <br/>
 765                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 766                                                         </div>
 767                                                         <hr/>
 768                                                         <div class="p">
 769                                                                 <h4>Drag Chart Contents</h4>
 770                                                                 Drag the contents of a chart to pan it horizontally.
 771                                                                 <br/>
 772                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 773                                                                 <br/>
 774                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double click</b> a panned chart.
 775                                                         </div>
 776                                                         <hr/>
 777                                                         <div class="p">
 778                                                                 <h4>Double Click</h4>
 779                                                                 Double Click a chart to reset all the charts to their default auto-refreshing state.
 780                                                         </div>
 781                                                         <hr/>
 782                                                         <div class="p">
 783                                                                 <h4>SHIFT + Drag</h4>
 784                                                                 While pressing the shift key, click on the contents of a chart and move the mouse to select an area, to zoom in. The other charts will follow too. Zooming is performed in two phases:
 785                                                                 <ul>
 786                                                                         <li>The already loaded chart contents are zoomed (low resolution)</li>
 787                                                                         <li>New data are transferred from the netdata server, to refresh the chart with possibly more detail.</li>
 788                                                                 </ul>
 789                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 790                                                         </div>
 791                                                         <hr/>
 792                                                         <div class="p">
 793                                                                 <h4>SHIFT + Mouse Wheel <small>(does not work on firefox and IE/Edge)</small></h4>
 794                                                                 While pressing the shift key and the mouse pointer is over the contents of a chart, scroll the mouse wheel to zoom in or out. This kind of zooming is aligned to center below the mouse pointer. The other charts will follow too.
 795                                                                 <br/>
 796                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 797                                                         </div>
 798                                                         <hr/>
 799                                                         <div class="p">
 800                                                                 <h4>Legend Operations</h4>
 801                                                                 Click on the label or value of a dimension, will select / un-select this dimension.
 802                                                                 <br/>
 803                                                                 You can press any of the SHIFT or CONTROL keys and then click on legend labels or values, to select / un-select multiple dimensions.
 804                                                         </div>
 805                                                 </div>
 806                                                 <div role="tabpanel" class="tab-pane" id="help_touch">
 807                                                         <div class="p">
 808                                                                 <h4>Single Tap</h4>
 809                                                                 Single Tap on the contents of a chart to show, at its legend, the values for the timestamp tapped (the chart will also highlight the point at the chart).
 810                                                                 <br/>
 811                                                                 All the other visible charts will also show and highlight their values for the same timestamp.
 812                                                         </div>
 813                                                         <hr/>
 814                                                         <div class="p">
 815                                                                 <h4>Drag Chart Contents</h4>
 816                                                                 Touch and Drag the contents of a chart to pan it horizontally.
 817                                                                 <br/>
 818                                                                 All the charts will follow soon after you let the chart alone (this little delay is by design: it speeds up your browser and lets you focus on what you are exploring).
 819                                                                 <br/>
 820                                                                 Once a chart is panned, auto refreshing stops for all charts. To enable it again, <b>double tap</b> a panned chart.
 821                                                         </div>
 822                                                         <hr/>
 823                                                         <div class="p">
 824                                                                 <h4>Double Tap</h4>
 825                                                                 Double tap a chart to reset all the charts to their default auto-refreshing state.
 826                                                         </div>
 827                                                         <hr/>
 828                                                         <div class="p">
 829                                                                 <h4>Zoom <small>(does not work on firefox and IE/Edge)</small></h4>
 830                                                                 With two fingers, zoom in or out.
 831                                                                 <br/>
 832                                                                 Once a chart is zoomed, auto refreshing stops for all charts. To enable it again, <b>double click</b> a zoomed chart.
 833                                                         </div>
 834                                                         <hr/>
 835                                                         <div class="p">
 836                                                                 <h4>Legend Operations</h4>
 837                                                                 Tap on the label or value of a dimension, will select / un-select this dimension.
 838                                                         </div>
 839                                                 </div>
 840                                         </div>
 841                                 </div>
 842                                 <div class="modal-footer">
 843                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 844                                 </div>
 845                         </div>
 846                 </div>
 847         </div>
 848
 849         <div class="modal fade" id="optionsModal" tabindex="-1" role="dialog" aria-labelledby="optionsModalLabel">
 850                 <div class="modal-dialog modal-lg" role="document">
 851                         <div class="modal-content">
 852                                 <div class="modal-header">
 853                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
 854                                         <h4 class="modal-title" id="optionsModalLabel">netdata dashboard options</h4>
 855                                 </div>
 856                                 <div class="modal-body">
 857                                         <center>
 858                                                 <small style="color: #BBBBBB;">These are browser settings. Each viewer has its own. They do not affect the operation of your netdata server.
 859                                                 <br/>
 860                                                 Settings take effect immediately and are saved permanently to browser local storage (except the refresh on focus / always option).
 861                                                 <br/>
 862                                                 To reset all options (including charts sizes) to their defaults, click <a href="#" onclick="resetDashboardOptions(); return false;">here</a>.</small>
 863                                         </center>
 864                                         <div style="padding: 10px;"></div>
 865
 866                                         <!-- Nav tabs -->
 867                                         <ul class="nav nav-tabs" role="tablist">
 868                                                 <li role="presentation" class="active"><a href="#settings_performance" aria-controls="settings_performance" role="tab" data-toggle="tab">Performance</a></li>
 869                                                 <li role="presentation"><a href="#settings_sync" aria-controls="settings_sync" role="tab" data-toggle="tab">Synchronization</a></li>
 870                                                 <li role="presentation"><a href="#settings_visual" aria-controls="settings_visual" role="tab" data-toggle="tab">Visual</a></li>
 871                                         </ul>
 872
 873                                         <!-- Tab panes -->
 874                                         <div class="tab-content">
 875                                                 <div role="tabpanel" class="tab-pane active" id="settings_performance">
 876                                                         <form id="optionsForm1" method="get" class="form-horizontal">
 877                                                                 <div class="form-group">
 878                                                                         <table>
 879                                                                         <tr class="option-row">
 880                                                                                 <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>
 881                                                                                 <td class="option-info"><strong>When to refresh the charts?</strong><br/>
 882                                                                                         <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>
 883                                                                                 </td>
 884                                                                                 </tr>
 885                                                                         <tr class="option-row">
 886                                                                                 <td class="option-control">
 887                                                                                 <input id="eliminate_zero_dimensions" type="checkbox" checked data-toggle="toggle" data-on="Non Zero" data-off="All" data-width="110px">
 888                                                                                 </td>
 889                                                                                 <td class="option-info"><strong>Which dimensions to show?</strong><br/>
 890                                                                                         <small>When set to <b>Non Zero</b>, dimensions that have all their values (within the current view) set to zero will not be transferred from the netdata server (except if all dimensions of the chart are zero, in which case this setting does nothing - all dimensions are transferred 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 transferred 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>
 891                                                                                 </td>
 892                                                                                 </tr>
 893                                                                         <tr class="option-row">
 894                                                                                 <td class="option-control"><input id="destroy_on_hide" type="checkbox" data-toggle="toggle" data-on="Destroy" data-off="Hide" data-width="110px"></td>
 895                                                                                 <td class="option-info"><strong>How to handle hidden charts?</strong><br/>
 896                                                                                         <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>
 897                                                                                 </td>
 898                                                                                 </tr>
 899                                                                         </table>
 900                                                                 </div>
 901                                                         </form>
 902                                                 </div>
 903                                                 <div role="tabpanel" class="tab-pane" id="settings_sync">
 904                                                         <form id="optionsForm2" method="get" class="form-horizontal">
 905                                                                 <div class="form-group">
 906                                                                         <table>
 907                                                                         <tr class="option-row">
 908                                                                                 <td class="option-control"><input id="parallel_refresher" type="checkbox" checked data-toggle="toggle" data-on="Parallel" data-off="Sequential" data-width="110px"></td>
 909                                                                                 <td class="option-info"><strong>Which chart refresh policy to use?</strong><br/>
 910                                                                                         <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>sequential</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 sequential if you work on an older/slower computer.</small>
 911                                                                                 </td>
 912                                                                                 </tr>
 913                                                                         <tr class="option-row" id="concurrent_refreshes_row">
 914                                                                                 <td class="option-control"></td>
 915                                                                                 <td class="option-info">
 916                                                                                         <table>
 917                                                                                         <tr class="option-row">
 918                                                                                         <td class="option-control">
 919                                                                                         <input id="concurrent_refreshes" type="checkbox" checked data-toggle="toggle" data-on="Resync" data-off="Best Effort" data-width="110px">
 920                                                                                         </td>
 921                                                                                         <td class="option-info">
 922                                                                                         <strong>Shall we re-sync chart refreshes?</strong><br/>
 923                                                                                         <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>
 924                                                                                         </td>
 925                                                                                         </tr>
 926                                                                                         </table>
 927                                                                                 </td>
 928                                                                                 </tr>
 929                                                                         <tr class="option-row">
 930                                                                                 <td class="option-control"><input id="sync_selection" type="checkbox" checked data-toggle="toggle" data-on="Sync" data-off="Don't Sync" data-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 931                                                                                 <td class="option-info"><strong>Sync hover selection on all charts?</strong><br/>
 932                                                                                         <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>
 933                                                                                 </td>
 934                                                                                 </tr>
 935                                                                         <tr class="option-row">
 936                                                                                 <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-onstyle="success" data-offstyle="danger" data-width="110px"></td>
 937                                                                                 <td class="option-info"><strong>Sync pan and zoom on all charts?</strong><br/>
 938                                                                                         <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>
 939                                                                                 </td>
 940                                                                                 </tr>
 941                                                                         </table>
 942                                                                 </div>
 943                                                         </form>
 944                                                 </div>
 945                                                 <div role="tabpanel" class="tab-pane" id="settings_visual">
 946                                                         <form id="optionsForm3" method="get" class="form-horizontal">
 947                                                                 <div class="form-group">
 948                                                                         <table>
 949                                                                         <tr class="option-row">
 950                                                                                 <td class="option-control"><input id="netdata_theme_control" type="checkbox" checked data-toggle="toggle" data-offstyle="danger" data-onstyle="success" data-on="Dark" data-off="White" data-width="110px"></td>
 951                                                                                 <td class="option-info"><strong>Which theme to use?</strong><br/>
 952                                                                                         <small>Netdata comes with two themes: <b>Dark</b> (the default) and <b>White</b>.
 953                                                                                         <br/>
 954                                                                                         <b>Switching this will reload the dashboard</b>.
 955                                                                                         </small>
 956                                                                                 </td>
 957                                                                                 </tr>
 958                                                                         <tr class="option-row">
 959                                                                                 <td class="option-control"><input id="show_help" type="checkbox" checked data-toggle="toggle" data-on="Help Me" data-off="No Help" data-width="110px"></td>
 960                                                                                 <td class="option-info"><strong>Do you need help?</strong><br/>
 961                                                                                         <small>Netdata can show some help in some areas to help you use the dashboard. If all these balloons bother you, disable them using this switch.
 962                                                                                         <br/>
 963                                                                                         <b>Switching this will reload the dashboard</b>.
 964                                                                                         </small>
 965                                                                                 </td>
 966                                                                                 </tr>
 967                                                                         <tr class="option-row">
 968                                                                                 <td class="option-control"><input id="pan_and_zoom_data_padding" type="checkbox" checked data-toggle="toggle"  data-on="Pad" data-off="Don't Pad" data-width="110px"></td>
 969                                                                                 <td class="option-info"><strong>Enable data padding when panning and zooming?</strong><br/>
 970                                                                                         <small>When set to <b>Pad</b> the charts will be padded with more data, both before and after the visible area, thus giving the impression the whole database is loaded. This padding will happen only after the first pan or zoom operation on the chart (initially all charts have only the visible data). When set to <b>Don't Pad</b> only the visible data will be transfered from the netdata server, even after the first pan and zoom operation.</small>
 971                                                                                 </td>
 972                                                                                 </tr>
 973                                                                         <tr class="option-row">
 974                                                                                 <td class="option-control"><input id="smooth_plot" type="checkbox" checked data-toggle="toggle"  data-on="Smooth" data-off="Rough" data-width="110px"></td>
 975                                                                                 <td class="option-info"><strong>Enable Bézier lines on charts?</strong><br/>
 976                                                                                         <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.
 977                                                                                         <br/>
 978                                                                                         Keep in mind <a href="http://dygraphs.com" target="_blank">dygraphs</a>, the main charting library in netdata dashboards, can only smooth line charts. It cannot smooth area or stacked charts. When set to <b>Rough</b>, this setting can lower the CPU resources consumed by your browser.</small>
 979                                                                                 </td>
 980                                                                                 </tr>
 981                                                                         </table>
 982                                                                 </div>
 983                                                         </form>
 984                                                 </div>
 985                                         </div>
 986                                 </div>
 987                                 <div class="modal-footer">
 988                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
 989                                 </div>
 990                         </div>
 991                 </div>
 992         </div>
 993
 994
 995         <div class="modal fade" id="updateModal" tabindex="-1" role="dialog" aria-labelledby="updateModalLabel">
 996                 <div class="modal-dialog" role="document">
 997                         <div class="modal-content">
 998                                 <div class="modal-header">
 999                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
1000                                         <h4 class="modal-title" id="updateModalLabel">Update Check</h4>
1001                                 </div>
1002                                 <div class="modal-body">
1003                                         Your netdata version: <b><code><span id="netdataVersion">Unknown</span></code></b>
1004                                         <br/>
1005                                         <div style="padding: 10px;"></div>
1006                                         <div id="versionCheckLog">Not checked yet. Please press the Check Now button.</div>
1007                                 </div>
1008                                 <div class="modal-footer">
1009                                         <a href="#" onclick="notifyForUpdate(true); return false;" type="button" class="btn btn-default">Check Now</a>
1010                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
1011                                 </div>
1012                         </div>
1013                 </div>
1014         </div>
1015
1016         <div class="modal fade" id="deleteRegistryModal" tabindex="-1" role="dialog" aria-labelledby="deleteRegistryModalLabel">
1017                 <div class="modal-dialog" role="document">
1018                         <div class="modal-content">
1019                                 <div class="modal-header">
1020                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
1021                                         <h4 class="modal-title" id="deleteRegistryModalLabel">Delete <span id="deleteRegistryServerName"></span>?</h4>
1022                                 </div>
1023                                 <div class="modal-body">
1024                                         You are about to delete, from your personal list of netdata servers, the following server:
1025                                         <p style="text-align: center; padding-top: 10px; padding-bottom: 10px; line-height: 2;">
1026                                         <b><span id="deleteRegistryServerName2"></span></b>
1027                                         <br/>
1028                                         <b><span id="deleteRegistryServerURL"></span></b>
1029                                         </p>
1030                                         Are you sure you want to do this?
1031                                         <br/>
1032                                         <div style="padding: 10px;"></div>
1033                                         <small>Keep in mind, this server will be added back if and when you visit it again.</small>
1034                                         <br/>
1035                                         <div id="deleteRegistryResponse" style="display: block; width: 100%; text-align: center; padding-top: 20px;"></div>
1036                                 </div>
1037                                 <div class="modal-footer">
1038                                         <button type="button" class="btn btn-success" data-dismiss="modal">keep it</button>
1039                                         <a href="#" onclick="notifyForDeleteRegistry(true); return false;" type="button" class="btn btn-danger">delete it</a>
1040                                 </div>
1041                         </div>
1042                 </div>
1043         </div>
1044
1045         <div class="modal fade" id="switchRegistryModal" tabindex="-1" role="dialog" aria-labelledby="switchRegistryModalLabel">
1046                 <div class="modal-dialog" role="document">
1047                         <div class="modal-content">
1048                                 <div class="modal-header">
1049                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
1050                                         <h4 class="modal-title" id="switchRegistryModalLabel">Switch Netdata Registry Identity</h4>
1051                                 </div>
1052                                 <div class="modal-body">
1053                                         You can copy and paste the following ID to all your browsers (e.g. work and home).
1054                                         <br/>
1055                                         All the browsers with the same ID will identify <b>you</b>, so please don't share this with others.
1056                                         <p style="text-align: center; padding-top: 10px; padding-bottom: 10px; line-height: 2;">
1057                                         <form action="#">
1058                                         <input type="text" class="form-control" id="switchRegistryPersonGUID" placeholder="your personal ID" maxlength="36" autocomplete="off" style="text-align: center; font-size: 1.4em;">
1059                                         </form>
1060                                         </p>
1061                                         Either copy this ID and paste it to another browser, or paste here the ID you have taken from another browser.
1062                                         <p style="padding-top: 10px;"><small>
1063                                                 Keep in mind that:
1064                                                 <ul>
1065                                                         <li>when you switch ID, your previous ID will be lost forever - this is irreversible.</li>
1066                                                         <li>both IDs (your old and the new) must list this netdata at their personal lists.</li>
1067                                                         <li>both IDs have to be known by the registry: <b><span id="switchRegistryURL"></span></b>.</li>
1068                                                         <li>to get a new ID, just clear your browser cookies.</li>
1069                                                 </ul>
1070                                         </small></p>
1071                                         <div id="switchRegistryResponse" style="display: block; width: 100%; text-align: center; padding-top: 20px;"></div>
1072                                 </div>
1073                                 <div class="modal-footer">
1074                                         <button type="button" class="btn btn-success" data-dismiss="modal">cancel</button>
1075                                         <a href="#" onclick="notifyForSwitchRegistry(true); return false;" type="button" class="btn btn-danger">impersonate</a>
1076                                 </div>
1077                         </div>
1078                 </div>
1079         </div>
1080
1081         <div class="modal fade" id="gotoServerModal" tabindex="-1" role="dialog" aria-labelledby="gotoServerModalLabel">
1082                 <div class="modal-dialog" role="document">
1083                         <div class="modal-content">
1084                                 <div class="modal-header">
1085                                         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
1086                                         <h4 class="modal-title" id="gotoServerModalLabel"><span id="gotoServerName"></span></h4>
1087                                 </div>
1088                                 <div class="modal-body">
1089                                         Checking known URLs for this server...
1090                                         <div  style="padding-top: 20px;">
1091                                                 <table id="gotoServerList">
1092                                                 </table>
1093                                         </div>
1094                                         <p style="padding-top: 10px;"><small>
1095                                                 Checks may fail if you are viewing an HTTPS page and the server to be checked is HTTP only.
1096                                         </small></p>
1097                                         <div id="gotoServerResponse" style="display: block; width: 100%; text-align: center; padding-top: 20px;"></div>
1098                                 </div>
1099                                 <div class="modal-footer">
1100                                         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
1101                                 </div>
1102                         </div>
1103                 </div>
1104         </div>
1105
1106 <script type="text/javascript">
1107 var this_is_demo = null;
1108 function isdemo() {
1109         if(this_is_demo !== null) return this_is_demo;
1110         this_is_demo = false;
1111
1112         try {
1113                 if(typeof document.location.hostname === 'string') {
1114                         if(document.location.hostname.endsWith('.my-netdata.io') ||
1115                                         document.location.hostname.endsWith('.mynetdata.io') ||
1116                                         document.location.hostname.endsWith('.netdata.rocks') ||
1117                                         document.location.hostname.endsWith('.firehol.org') ||
1118                                         document.location.hostname.endsWith('.netdata.online'))
1119                                         this_is_demo = true;
1120                 }
1121         }
1122         catch(error) {
1123                 ;
1124         }
1125
1126         return this_is_demo;
1127 }
1128
1129 if(isdemo()) {
1130         document.getElementById('masthead').style.display = 'block';
1131 }
1132
1133 function netdataURL(url) {
1134         if(typeof url === 'undefined')
1135                 url = document.location.toString();
1136
1137         if(url.indexOf('#') !== -1)
1138                 url = url.substring(0, url.indexOf('#'));
1139
1140         var hash = netdataHash();
1141
1142         // console.log('netdataURL: ' + url + hash);
1143
1144         return url + hash;
1145 }
1146
1147 function netdataReload(url) {
1148         var t = netdataURL(url);
1149         // console.log('netdataReload: ' + t);
1150         document.location = t;
1151
1152         // since we play with hash
1153         // this is needed to reload the page
1154         location.reload();
1155 }
1156
1157 var gotoServerValidateRemaining = 0;
1158 var gotoServerMiddleClick = false;
1159 var gotoServerStop = false;
1160 function gotoServerValidateUrl(id, guid, url) {
1161         var penaldy = 0;
1162         if(document.location.toString().startsWith('http://') && url.toString().startsWith('https://'))
1163                         // we penalize https only if the current url is http
1164                         // to allow the user walk through all its servers.
1165                         penaldy = 500;
1166
1167         var finalURL = netdataURL(url);
1168
1169         setTimeout(function() {
1170                 document.getElementById('gotoServerList').innerHTML += '<tr><td style="padding-left: 20px;"><a href="' + finalURL + '" target="_blank">' + url + '</a></td><td style="padding-left: 30px;"><code id="' + guid + '-' + id + '-status">checking...</code></td></tr>';
1171
1172                 NETDATA.registry.hello(url, function(data) {
1173                         if (data) {
1174                                 // console.log('OK ' + id + ' URL: ' + url);
1175                                 document.getElementById(guid + '-' + id + '-status').innerHTML = "OK";
1176
1177                                 if(!gotoServerStop) {
1178                                         gotoServerStop = true;
1179
1180                                         if(gotoServerMiddleClick) {
1181                                                 window.open(finalURL, '_blank');
1182                                                 gotoServerMiddleClick = false;
1183                                                 document.getElementById('gotoServerResponse').innerHTML = '<b>Opening new window to ' + NETDATA.registry.machines[guid].name + '<br/><a href="' + finalURL + '">' + url + '</a></b><br/>(check your pop-up blocker if it fails)';
1184                                         }
1185                                         else
1186                                                 document.location = finalURL;
1187                                 }
1188                         }
1189                         else {
1190                                 document.getElementById(guid + '-' + id + '-status').innerHTML = "failed!";
1191                                 gotoServerValidateRemaining--;
1192                                 if(gotoServerValidateRemaining <= 0) {
1193                                         gotoServerMiddleClick = false;
1194                                         document.getElementById('gotoServerResponse').innerHTML = '<b>Sorry! I cannot find any operational URL for this server</b>';
1195                                 }
1196                         }
1197                 });
1198         }, (id * 50) + penaldy);
1199 }
1200
1201 function gotoServerModalHandler(guid) {
1202         // console.log('goto server: ' + guid);
1203
1204         gotoServerStop = false;
1205         var len = NETDATA.registry.machines[guid].alternate_urls.length;
1206
1207         document.getElementById('gotoServerResponse').innerHTML = '';
1208         document.getElementById('gotoServerList').innerHTML = '';
1209         document.getElementById('gotoServerName').innerHTML = NETDATA.registry.machines[guid].name;
1210         $('#gotoServerModal').modal('show');
1211
1212         gotoServerValidateRemaining = len;
1213         while(len--)
1214                 gotoServerValidateUrl(len, guid, NETDATA.registry.machines[guid].alternate_urls[len]);
1215
1216         return false;
1217 }
1218
1219 function gotoServerInit() {
1220         $(".registry_link").on('click', function(e) {
1221                 if(e.which === 2) {
1222                         e.preventDefault();
1223                         gotoServerMiddleClick = true;
1224                 }
1225                 else {
1226                         gotoServerMiddleClick = false;
1227                 }
1228
1229                 return true;
1230         });
1231 }
1232
1233 function switchRegistryModalHandler() {
1234         document.getElementById('switchRegistryPersonGUID').value = NETDATA.registry.person_guid;
1235         document.getElementById('switchRegistryURL').innerHTML = NETDATA.registry.server;
1236         document.getElementById('switchRegistryResponse').innerHTML = '';
1237         $('#switchRegistryModal').modal('show');
1238 }
1239
1240 function notifyForSwitchRegistry() {
1241         var n = document.getElementById('switchRegistryPersonGUID').value;
1242
1243         if(n !== '' && n.length === 36) {
1244                 NETDATA.registry.switch(n, function(result) {
1245                         if(result !== null) {
1246                                 $('#switchRegistryModal').modal('hide');
1247                                 NETDATA.registry.init();
1248                         }
1249                         else {
1250                                 document.getElementById('switchRegistryResponse').innerHTML = "<b>Sorry! The registry rejected your request.</b>";
1251                         }
1252                 });
1253         }
1254         else
1255                 document.getElementById('switchRegistryResponse').innerHTML = "<b>The ID you have entered is not a GUID.</b>";
1256 }
1257
1258 var deleteRegistryUrl = null;
1259 function deleteRegistryModalHandler(guid, name, url) {
1260         deleteRegistryUrl = url;
1261         document.getElementById('deleteRegistryServerName').innerHTML = name;
1262         document.getElementById('deleteRegistryServerName2').innerHTML = name;
1263         document.getElementById('deleteRegistryServerURL').innerHTML = url;
1264         document.getElementById('deleteRegistryResponse').innerHTML = '';
1265         $('#deleteRegistryModal').modal('show');
1266 }
1267
1268 function notifyForDeleteRegistry() {
1269         if(deleteRegistryUrl) {
1270                 NETDATA.registry.delete(deleteRegistryUrl, function(result) {
1271                         if(result !== null) {
1272                                 deleteRegistryUrl = null;
1273                                 $('#deleteRegistryModal').modal('hide');
1274                                 NETDATA.registry.init();
1275                         }
1276                         else {
1277                                 document.getElementById('deleteRegistryResponse').innerHTML = "<b>Sorry! this command was rejected by the registry server.</b>";
1278                         }
1279                 });
1280         }
1281 }
1282
1283 var options = {
1284         sparklines_registry: {},
1285         submenu_names: {},
1286         data: null,
1287         hostname: 'netdata_server', // will be overwritten by the netdata server
1288         categories: new Array(),
1289         categories_idx: {},
1290         families: new Array(),
1291         families_idx: {},
1292
1293         chartsPerRow: 0,
1294         chartsMinWidth: 1450,
1295         chartsHeight: 180,
1296         sparklinesHeight: 60,
1297 };
1298
1299 // generate a sparkline
1300 // used in the documentation
1301 function sparkline(chart, dimension, units) {
1302         var key = chart + '.' + dimension;
1303
1304         if(typeof units === 'undefined')
1305                 units = '';
1306
1307         if(typeof options.sparklines_registry[key] === 'undefined')
1308                 options.sparklines_registry[key] = { count: 1 };
1309         else
1310                 options.sparklines_registry[key].count++;
1311
1312         key = key + '.' + options.sparklines_registry[key].count;
1313
1314         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 + ')';
1315
1316         return h;
1317 }
1318
1319 function chartsPerRow(total) {
1320         if(options.chartsPerRow === 0) {
1321                 width = Math.floor(total / options.chartsMinWidth);
1322                 if(width === 0) width = 1;
1323                 return width;
1324         }
1325         else return options.chartsPerRow;
1326 }
1327
1328 function prioritySort(a, b) {
1329         if(a.priority < b.priority) return -1;
1330         if(a.priority > b.priority) return 1;
1331         if(a.name < b.name) return -1;
1332         return 1;
1333 }
1334
1335 function sortObjectByPriority(object) {
1336         var idx = {};
1337         var sorted = new Array();
1338
1339         for(var i in object) {
1340                 if(typeof idx[i] === 'undefined') {
1341                         idx[i] = object[i];
1342                         sorted.push(i);
1343                 }
1344         }
1345
1346         sorted.sort(function(a, b) {
1347                 if(idx[a].priority < idx[b].priority) return -1;
1348                 if(idx[a].priority > idx[b].priority) return 1;
1349                 if(a < b) return -1;
1350                 return 1;
1351         });
1352
1353         return sorted;
1354 }
1355
1356
1357 // ----------------------------------------------------------------------------
1358 // scroll to a section, without changing the browser history
1359
1360 function scrollToId(hash) {
1361         if(hash && hash != '') {
1362                 var offset = $('#' + hash).offset();
1363                 if(typeof offset !== 'undefined')
1364                         $('html, body').animate({ scrollTop: offset.top }, 0);
1365         }
1366
1367         // we must return false to prevent the default action
1368         return false;
1369 }
1370
1371 // ----------------------------------------------------------------------------
1372
1373 function gaugeChart(title, width, dimensions, colors) {
1374         if(typeof colors === 'undefined')
1375                 colors = '';
1376
1377         if(typeof dimensions === 'undefined')
1378                 dimensions = '';
1379
1380         return '<div data-netdata="CHART_UNIQUE_ID"'
1381                                                         + ' data-dimensions="' + dimensions + '"'
1382                                                         + ' data-chart-library="gauge"'
1383                                                         + ' data-gauge-adjust="width"'
1384                                                         + ' data-title="' + title + '"'
1385                                                         + ' data-width="' + width + '"'
1386                                                         + ' data-before="0"'
1387                                                         + ' data-after="-CHART_DURATION"'
1388                                                         + ' data-points="CHART_DURATION"'
1389                                                         + ' data-colors="' + colors + '"'
1390                                                         + ' role="application"></div>';
1391 }
1392
1393 // ----------------------------------------------------------------------------
1394
1395 var menuData = {
1396         'system': {
1397                 title: 'System Overview',
1398                 info: 'Overview of the key system metrics.'
1399         },
1400
1401         'ap': {
1402                 title: 'Access Points',
1403                 info: undefined
1404         },
1405
1406         'tc': {
1407                 title: 'Quality of Service',
1408                 info: '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. If your QoS configuration includes overheads calculation, the values shown here will include these overheads (the total bandwidth for the same interface as reported in the Network Interfaces section, will be lower than the total bandwidth reported here). Also, data collection may have a slight time difference compared to the interface (QoS data collection is implemented with a BASH script, so a shift in data collection of a few milliseconds should be justified).'
1409         },
1410
1411         'net': {
1412                 title: 'Network Interfaces',
1413                 info: 'Per network interface statistics collected from <code>/proc/net/dev</code>.'
1414         },
1415
1416         'ipv4': {
1417                 title: 'IPv4 Networking',
1418                 info: undefined
1419         },
1420
1421         'ipv6': {
1422                 title: 'IPv6 Networking',
1423                 info: undefined
1424         },
1425
1426         'ipvs': {
1427                 title: 'IP Virtual Server',
1428                 info: undefined
1429         },
1430
1431         'netfilter': {
1432                 title: 'Firewall (netfilter)',
1433                 info: undefined
1434         },
1435
1436         'cpu': {
1437                 title: 'CPUs',
1438                 info: undefined
1439         },
1440
1441         'mem': {
1442                 title: 'Memory',
1443                 info: undefined
1444         },
1445
1446         'disk': {
1447                 title: 'Disks',
1448                 info: 'Charts with performance information for all the system disks. Special care has been given to present disk performance metrics in a way compatible with <code>iostat -x</code>. netdata by default prevents rendering performance charts for individual partitions and unmounted virtual disks. Disabled charts can still be enabled by altering the relative settings in the netdata configuration file.'
1449         },
1450
1451         'sensors': {
1452                 title: 'Sensors',
1453                 info: undefined
1454         },
1455
1456         'nfsd': {
1457                 title: 'File Server (nfsd)',
1458                 info: undefined
1459         },
1460
1461         'apps': {
1462                 title: 'Applications',
1463                 info: '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 internally 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). The reported values are compatible with <code>top</code>, although the netdata plugin counts also the resources of exited children (unlike <code>top</code> which shows only the resources of the currently running processes). So for processes like shell scripts, the reported values include the resources used by the commands these scripts run within each timeframe.',
1464                 height: 1.5
1465         },
1466
1467         'users': {
1468                 title: 'Users',
1469                 info: 'Per user statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics per user. The reported values are compatible with <code>top</code>, although the netdata plugin counts also the resources of exited children (unlike <code>top</code> which shows only the resources of the currently running processes). So for processes like shell scripts, the reported values include the resources used by the commands these scripts run within each timeframe.',
1470                 height: 1.5
1471         },
1472
1473         'groups': {
1474                 title: 'User Groups',
1475                 info: 'Per user group statistics are collected using netdata\'s <code>apps.plugin</code>. This plugin walks through the entire <code>/proc</code> filesystem and aggregates statistics per user group. The reported values are compatible with <code>top</code>, although the netdata plugin counts also the resources of exited children (unlike <code>top</code> which shows only the resources of the currently running processes). So for processes like shell scripts, the reported values include the resources used by the commands these scripts run within each timeframe.',
1476                 height: 1.5
1477         },
1478
1479         'netdata': {
1480                 title: 'Netdata Monitoring',
1481                 info: undefined
1482         },
1483
1484         'example': {
1485                 title: 'Example Charts',
1486                 info: undefined
1487         },
1488
1489         'cgroup': {
1490                 title: 'Container',
1491                 info: undefined
1492         },
1493
1494         'memcached': {
1495                 title: 'memcached',
1496                 info: undefined
1497         },
1498
1499         'mysql': {
1500                 title: 'MySQL',
1501                 info: undefined
1502         },
1503
1504         'redis': {
1505                 title: 'Redis',
1506                 info: undefined
1507         },
1508
1509         'ipfs': {
1510                 title: 'IPFS',
1511                 info: undefined
1512         },
1513
1514         'phpfpm': {
1515                 title: 'PHP-FPM',
1516                 info: undefined,
1517         },
1518
1519         'nginx': {
1520                 title: 'nginx',
1521                 info: undefined,
1522         },
1523
1524         'apache': {
1525                 title: 'Apache',
1526                 info: undefined,
1527         },
1528
1529         'named': {
1530                 title: 'named',
1531                 info: undefined
1532         }
1533 };
1534
1535 var submenuData = {
1536         'mem.ksm': {
1537                 title: 'Memory Deduper',
1538                 info: 'Kernel Same-page Merging (KSM) performance monitoring, read from several files in <code>/sys/kernel/mm/ksm/</code>. KSM is a memory-saving de-duplication feature in the Linux kernel (since version 2.6.32). The KSM daemon ksmd periodically scans those areas of user memory which have been registered with it, looking for pages of identical content which can be replaced by a single write-protected page (which is automatically copied if a process later wants to update its content). KSM was originally developed for use with KVM (where it was known as Kernel Shared Memory), to fit more virtual machines into physical memory, by sharing the data common between them.  But it can be useful to any application which generates many instances of the same data.'
1539         },
1540
1541         'netfilter.conntrack': {
1542                 title: 'Connection Tracker',
1543                 info: 'Netfilter Connection Tracker performance monitoring, read from <code>/proc/net/stat/nf_conntrack</code>. The connection tracker keeps track of all connections of the machine, inbound and outbound. It works by keeping a database with all open connections, tracking network and address translation and connection expectations.'
1544         },
1545
1546         'netfilter.nfacct': {
1547                 title: 'Bandwidth Accounting',
1548                 info: 'The following information is read using the <code>nfacct.plugin</code>.'
1549         },
1550
1551         'netfilter.synproxy': {
1552                 title: 'DDoS Protection',
1553                 info: 'DDoS Protection performance monitoring read from <code>/proc/net/stat/synproxy</code>. <a href="https://github.com/firehol/firehol/wiki/Working-with-SYNPROXY" target="_blank">SYNPROXY</a> is a TCP SYN packets proxy. It is used to protect any TCP server (like a web server) from SYN floods and similar DDoS attacks. It is a netfilter module, in the Linux kernel (since version 3.12). It is optimized to handle millions of packets per second utilizing all CPUs available without any concurrency locking between the connections. It can be used for any kind of TCP traffic (even encrypted), since it does not interfere with the content itself.'
1554         }
1555 };
1556
1557 //
1558 // chartData works on the context of a chart
1559 // Its purpose is to set:
1560 //
1561 // info: the text above the charts
1562 // heads: the representation of the chart at the top the subsection (second level menu)
1563 // mainheads: the representation of the chart at the top of the section (first level menu)
1564 // colors: the dimension colors of the chart (the default colors are appended)
1565 // height: the ratio of the chart height relative to the default
1566 //
1567 var chartData = {
1568         'system.cpu': {
1569                 info: '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.'
1570         },
1571
1572         'system.load': {
1573                 info: 'Current system load, a measurement of the work the system is performing. A completely idle computer has a load average of 0. Each process either using or waiting for system resources (e.g. CPU, disk) adds 1 to the load average. So, if your system has a load of 5, five processes are either using or waiting for system resources. Linux calculates this once every 5 seconds. Netdata reads it from <code>/proc/loadavg</code>. For more information see: <a href="http://www.howtogeek.com/194642/understanding-the-load-average-on-linux-and-other-unix-like-systems/" target="_blank">this article</a>',
1574                 height: 0.7
1575         },
1576
1577         'system.io': {
1578                 info: '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.'
1579         },
1580
1581         'system.swapio': {
1582                 info: '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).'
1583         },
1584
1585         'system.pgfaults': {
1586                 info: '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.'
1587         },
1588
1589         'system.entropy': {
1590                 colors: '#CC22AA',
1591                 info: '<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.'
1592         },
1593
1594         'system.forks': {
1595                 colors: '#5555DD',
1596                 info: 'The number of new processes created per second, read from <code>/proc/stat</code>.'
1597         },
1598
1599         'system.intr': {
1600                 colors: '#DD5555',
1601                 info: '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.'
1602         },
1603
1604         'system.interrupts': {
1605                 info: 'CPU interrupts in detail, read from <code>/proc/interrupts</code>. At the <a href="#cpu">CPUs</a> section, interrupts are analyzed per CPU core.'
1606         },
1607
1608         'system.softirqs': {
1609                 info: 'CPU softirqs in detail, read from <code>/proc/softirqs</code>. At the <a href="#cpu">CPUs</a> section, softirqs are analyzed per CPU core.'
1610         },
1611
1612         'system.processes': {
1613                 info: '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.'
1614         },
1615
1616         'system.active_processes': {
1617                 info: 'All system active processes, read from <code>/proc/loadavg</code>.'
1618         },
1619
1620         'system.ctxt': {
1621                 info: '<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.'
1622         },
1623
1624         'system.idlejitter': {
1625                 colors: '#5555AA',
1626                 info: '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 difference between the requested and the actual duration of the sleep, is the <b>idle jitter</b>. This number is useful in real-time environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).'
1627         },
1628
1629         'system.ipv4': {
1630                 info: 'Total IPv4 Traffic, read from <code>/proc/net/netstat</code>.'
1631         },
1632
1633         'system.ipv6': {
1634                 info: 'Total IPv6 Traffic, read from <code>/proc/net/snmp6</code>.'
1635         },
1636
1637         'system.ram': {
1638                 info: 'System memory, read from <code>/proc/meminfo</code>.'
1639         },
1640
1641         'system.swap': {
1642                 info: 'System swap memory, read from <code>/proc/meminfo</code>.'
1643         },
1644
1645         // ------------------------------------------------------------------------
1646         // MEMORY
1647
1648         'mem.ksm_savings': {
1649                 heads: [
1650                         gaugeChart('Saved', '12%', 'savings', '#0099CC')
1651                 ]
1652         },
1653
1654         'mem.ksm_ratios': {
1655                 heads: [
1656                         function(id) {
1657                                 return  '<div data-netdata="' + id + '"'
1658                                         + ' data-gauge-max-value="100"'
1659                                         + ' data-chart-library="gauge"'
1660                                         + ' data-title="Savings"'
1661                                         + ' data-units="percentage %"'
1662                                         + ' data-gauge-adjust="width"'
1663                                         + ' data-width="12%"'
1664                                         + ' data-before="0"'
1665                                         + ' data-after="-CHART_DURATION"'
1666                                         + ' data-points="CHART_DURATION"'
1667                                         + ' role="application"></div>';
1668                         }
1669                 ]
1670         },
1671
1672         'mem.committed': {
1673                 colors: NETDATA.colors[3]
1674         },
1675
1676         // ------------------------------------------------------------------------
1677         // APPS
1678
1679         'apps.cpu': {
1680                 height: 2.0
1681         },
1682
1683         'apps.preads': {
1684                 height: 2.0
1685         },
1686
1687         'apps.pwrites': {
1688                 height: 2.0
1689         },
1690
1691         // ------------------------------------------------------------------------
1692         // USERS
1693
1694         'users.cpu': {
1695                 height: 2.0
1696         },
1697
1698         'users.preads': {
1699                 height: 2.0
1700         },
1701
1702         'users.pwrites': {
1703                 height: 2.0
1704         },
1705
1706         // ------------------------------------------------------------------------
1707         // GROUPS
1708
1709         'groups.cpu': {
1710                 height: 2.0
1711         },
1712
1713         'groups.preads': {
1714                 height: 2.0
1715         },
1716
1717         'groups.pwrites': {
1718                 height: 2.0
1719         },
1720
1721         // ------------------------------------------------------------------------
1722         // NETWORK QoS
1723
1724         'tc.qos': {
1725                 heads: [
1726                         function(id) {
1727                                 if(id.match(/.*-ifb$/))
1728                                         return gaugeChart('Inbound', '12%', '', '#5555AA');
1729                                 else
1730                                         return gaugeChart('Outbound', '12%', '', '#AA9900');
1731                         }
1732                 ]
1733         },
1734
1735         // ------------------------------------------------------------------------
1736         // NETWORK INTERFACES
1737
1738         'net.net': {
1739                 heads: [
1740                         gaugeChart('Received', '12%', 'received'),
1741                         gaugeChart('Sent', '12%', 'sent')
1742                 ]
1743         },
1744
1745         // ------------------------------------------------------------------------
1746         // NETFILTER
1747
1748         'netfilter.sockets': {
1749                 colors: '#88AA00',
1750                 heads: [
1751                         gaugeChart('Active Connections', '12%', '', '#88AA00')
1752                 ]
1753         },
1754
1755         'netfilter.new': {
1756                 heads: [
1757                         gaugeChart('New Connections', '12%', 'new', '#5555AA')
1758                 ]
1759         },
1760
1761         // ------------------------------------------------------------------------
1762         // DISKS
1763
1764         'disk.util': {
1765                 colors: '#FF5588',
1766                 heads: [
1767                         gaugeChart('Utilization', '12%', '', '#FF5588')
1768                 ],
1769                 info: 'Disk Utilization measures the amount of time the disk was busy with something. This is not related to its performance. 100% means that the Linux kernel always had an outstanding operation on the disk. Keep in mind that depending on the underlying technology of the disk, 100% here may or may not be an indication of congestion.'
1770         },
1771
1772         'disk.backlog': {
1773                 colors: '#0099CC',
1774                 info: 'Backlog is an indication of the duration of pending disk operations. On every I/O event the Linux kernel is multiplying the time spent doing I/O since the last update of this field with the number of pending operations. While not accurate, this metric can provide an indication of the expected completion time of the operations in progress.'
1775         },
1776
1777         'disk.io': {
1778                 heads: [
1779                         gaugeChart('Read', '12%', 'reads'),
1780                         gaugeChart('Write', '12%', 'writes')
1781                 ],
1782                 info: 'Amount of data transferred to and from disk.'
1783         },
1784
1785         'disk.ops': {
1786                 info: 'Completed disk I/O operations. Keep in mind the number of operations requested might be higher, since the Linux kernel is able to merge adjacent to each other (see merged operations chart).'
1787         },
1788
1789         'disk.qops': {
1790                 info: 'I/O operations currently in progress. This metric is a snapshot - it is not an average over the last interval.'
1791         },
1792
1793         'disk.iotime': {
1794                 height: 0.5,
1795                 info: 'The sum of the duration of all completed I/O operations. This number can exceed the interval if the disk is able to execute I/O operations in parallel.'
1796         },
1797         'disk.mops': {
1798                 height: 0.5,
1799                 info: 'The number of merged disk operations. The Linux kernel is able to merge adjacent I/O operations, for example two 4KB reads can become one 8KB read before given to disk.'
1800         },
1801         'disk.svctm': {
1802                 height: 0.5,
1803                 info: 'The average service time for completed I/O operations. This metric is calculated using the total busy time of the disk and the number of completed operations. If the disk is able to execute multiple parallel operations the reporting average service time will be misleading.'
1804         },
1805         'disk.avgsz': {
1806                 height: 0.5,
1807                 info: 'The average I/O operation size.'
1808         },
1809         'disk.await': {
1810                 height: 0.5,
1811                 info: 'The average time for I/O requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them.'
1812         },
1813
1814         'disk.space': {
1815                 info: 'Disk space utilization. reserved for root is automatically reserved by the system to prevent the root user from getting out of space.'
1816         },
1817         'disk.inodes': {
1818                 info: 'inodes (or index nodes) are filesystem objects (e.g. files and directories). On many types of file system implementations, the maximum number of inodes is fixed at filesystem creation, limiting the maximum number of files the filesystem can hold. It is possible for a device to run out of inodes. When this happens, new files cannot be created on the device, even though there may be free space available.'
1819         },
1820
1821         'mysql.net': {
1822                 info: 'The amount of data sent to mysql clients (<strong>out</strong>) and received from mysql clients (<strong>in</strong>).'
1823         },
1824
1825         // ------------------------------------------------------------------------
1826         // MYSQL
1827
1828         'mysql.queries': {
1829                 info: 'The number of statements executed by the server.<ul>' +
1830                 '<li><strong>queries</strong> counts the statements executed within stored SQL programs.</li>' +
1831                 '<li><strong>questions</strong> counts the statements sent to the mysql server by mysql clients.</li>' +
1832                 '<li><strong>slow queries</strong> counts the number of statements that took more than <a href="http://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_long_query_time" target="_blank">long_query_time</a> seconds to be executed.' +
1833                 ' For more information about slow queries check the mysql <a href="http://dev.mysql.com/doc/refman/5.7/en/slow-query-log.html" target="_blank">slow query log</a>.</li>' +
1834                 '</ul>'
1835         },
1836
1837         'mysql.handlers': {
1838                 info: 'Usage of the internal handlers of mysql. This chart provides very good insights of what the mysql server is actually doing.' +
1839                 ' (if the chart is not showing all these dimensions it is because they are zero - set <strong>Which dimensions to show?</strong> to <strong>All</strong> from the dashboard settings, to render even the zero values)<ul>' +
1840                 '<li><strong>commit</strong>, the number of internal <a href="http://dev.mysql.com/doc/refman/5.7/en/commit.html" target="_blank">COMMIT</a> statements.</li>' +
1841                 '<li><strong>delete</strong>, the number of times that rows have been deleted from tables.</li>' +
1842                 '<li><strong>prepare</strong>, a counter for the prepare phase of two-phase commit operations.</li>' +
1843                 '<li><strong>read first</strong>, the number of times the first entry in an index was read. A high value suggests that the server is doing a lot of full index scans; e.g. <strong>SELECT col1 FROM foo</strong>, with col1 indexed.</li>' +
1844                 '<li><strong>read key</strong>, the number of requests to read a row based on a key. If this value is high, it is a good indication that your tables are properly indexed for your queries.</li>' +
1845                 '<li><strong>read next</strong>, the number of requests to read the next row in key order. This value is incremented if you are querying an index column with a range constraint or if you are doing an index scan.</li>' +
1846                 '<li><strong>read prev</strong>, the number of requests to read the previous row in key order. This read method is mainly used to optimize <strong>ORDER BY ... DESC</strong>.</li>' +
1847                 '<li><strong>read rnd</strong>, the number of requests to read a row based on a fixed position. A high value indicates you are doing a lot of queries that require sorting of the result. You probably have a lot of queries that require MySQL to scan entire tables or you have joins that do not use keys properly.</li>' +
1848                 '<li><strong>read rnd next</strong>, the number of requests to read the next row in the data file. This value is high if you are doing a lot of table scans. Generally this suggests that your tables are not properly indexed or that your queries are not written to take advantage of the indexes you have.</li>' +
1849                 '<li><strong>rollback</strong>, the number of requests for a storage engine to perform a rollback operation.</li>' +
1850                 '<li><strong>savepoint</strong>, the number of requests for a storage engine to place a savepoint.</li>' +
1851                 '<li><strong>savepoint rollback</strong>, the number of requests for a storage engine to roll back to a savepoint.</li>' +
1852                 '<li><strong>update</strong>, the number of requests to update a row in a table.</li>' +
1853                 '<li><strong>write</strong>, the number of requests to insert a row in a table.</li>' +
1854                 '</ul>'
1855         },
1856
1857         'mysql.table_locks': {
1858                 info: 'MySQL table locks counters: <ul>' +
1859                 '<li><strong>immediate</strong>, the number of times that a request for a table lock could be granted immediately.</li>' +
1860                 '<li><strong>waited</strong>, the number of times that a request for a table lock could not be granted immediately and a wait was needed. If this is high and you have performance problems, you should first optimize your queries, and then either split your table or tables or use replication.</li>' +
1861                 '</ul>'
1862         },
1863
1864         // ------------------------------------------------------------------------
1865         // APACHE
1866
1867         'apache.connections': {
1868                 colors: NETDATA.colors[4],
1869                 mainheads: [
1870                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1871                 ]
1872         },
1873
1874         'apache.requests': {
1875                 colors: NETDATA.colors[0],
1876                 mainheads: [
1877                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1878                 ]
1879         },
1880
1881         'apache.net': {
1882                 colors: NETDATA.colors[3],
1883                 mainheads: [
1884                         gaugeChart('Bandwidth', '12%', '', NETDATA.colors[3])
1885                 ]
1886         },
1887
1888         'apache.workers': {
1889                 mainheads: [
1890                         function(id) {
1891                                 return  '<div data-netdata="' + id + '"'
1892                                         + ' data-dimensions="busy"'
1893                                         + ' data-append-options="percentage"'
1894                                         + ' data-gauge-max-value="100"'
1895                                         + ' data-chart-library="gauge"'
1896                                         + ' data-title="Workers Utilization"'
1897                                         + ' data-units="percentage %"'
1898                                         + ' data-gauge-adjust="width"'
1899                                         + ' data-width="12%"'
1900                                         + ' data-before="0"'
1901                                         + ' data-after="-CHART_DURATION"'
1902                                         + ' data-points="CHART_DURATION"'
1903                                         + ' role="application"></div>';
1904                         }
1905                 ]
1906         },
1907
1908         'apache.bytesperreq': {
1909                 colors: NETDATA.colors[3],
1910                 height: 0.5
1911         },
1912
1913         'apache.reqpersec': {
1914                 colors: NETDATA.colors[4],
1915                 height: 0.5
1916         },
1917
1918         'apache.bytespersec': {
1919                 colors: NETDATA.colors[6],
1920                 height: 0.5
1921         },
1922
1923
1924         // ------------------------------------------------------------------------
1925         // NGINX
1926
1927         'nginx.connections': {
1928                 colors: NETDATA.colors[4],
1929                 mainheads: [
1930                         gaugeChart('Connections', '12%', '', NETDATA.colors[4])
1931                 ]
1932         },
1933
1934         'nginx.requests': {
1935                 colors: NETDATA.colors[0],
1936                 mainheads: [
1937                         gaugeChart('Requests', '12%', '', NETDATA.colors[0])
1938                 ]
1939         }
1940 };
1941
1942 function anyAttribute(obj, attr, key, def) {
1943         if(typeof obj[key] !== 'undefined') {
1944                 if(typeof obj[key][attr] !== 'undefined')
1945                         return obj[key][attr];
1946         }
1947         return def;
1948 }
1949
1950 function menuTitle(chart) {
1951         if(typeof chart.menu_pattern !== 'undefined') {
1952                 return anyAttribute(menuData, 'title', chart.menu_pattern, chart.menu_pattern).toString()
1953                                 + ': ' + chart.type.slice(-(chart.type.length - chart.menu_pattern.length - 1)).toString();
1954         }
1955
1956         return anyAttribute(menuData, 'title', chart.menu, chart.menu);
1957 }
1958
1959 function menuInfo(menu) {
1960         return anyAttribute(menuData, 'info', menu, null);
1961 }
1962
1963 function menuHeight(menu, relative) {
1964         return anyAttribute(menuData, 'height', menu, 1.0) * relative;
1965 }
1966
1967 function submenuTitle(menu, submenu) {
1968         var key = menu + '.' + submenu;
1969         return anyAttribute(submenuData, 'title', key, submenu);
1970 }
1971
1972 function submenuInfo(menu, submenu) {
1973         var key = menu + '.' + submenu;
1974         return anyAttribute(submenuData, 'info', key, null);
1975 }
1976
1977 function submenuHeight(menu, submenu, relative) {
1978         var key = menu + '.' + submenu;
1979         return anyAttribute(submenuData, 'height', key, 1.0) * relative;
1980 }
1981
1982
1983 function chartInfo(id) {
1984         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].info !== 'undefined')
1985                 return '<div class="chart-message netdata-chart-alignment" role="document">' + chartData[id].info + '</div>';
1986         else
1987                 return '';
1988 }
1989
1990 function chartHeight(id, def) {
1991         if(typeof chartData[id] !== 'undefined' && typeof chartData[id].height !== 'undefined')
1992                 return def * chartData[id].height;
1993         else
1994                 return def;
1995 }
1996
1997
1998 // ----------------------------------------------------------------------------
1999
2000 // enrich the data structure returned by netdata
2001 // to reflect our menu system and content
2002 function enrichChartData(chart) {
2003         var tmp = chart.type.split('_')[0];
2004
2005         switch(tmp) {
2006                 case 'ap':
2007                 case 'net':
2008                 case 'disk':
2009                         chart.menu = tmp;
2010                         break;
2011
2012                 case 'apache':
2013                 case 'cgroup':
2014                 case 'exim':
2015                 case 'memcached':
2016                 case 'mysql':
2017                 case 'named':
2018                 case 'nginx':
2019                 case 'phpfpm':
2020                 case 'postfix':
2021                 case 'redis':
2022                 case 'ipfs':
2023                 case 'squid':
2024                 case 'snmp':
2025                 case 'tomcat':
2026                         chart.menu = chart.type;
2027                         chart.menu_pattern = tmp;
2028                         break;
2029
2030                 case 'tc':
2031                         chart.menu = tmp;
2032
2033                         // find a name for this device from fireqos info
2034                         // we strip '_(in|out)' or '(in|out)_'
2035                         if(typeof options.submenu_names[chart.family] === 'undefined' || options.submenu_names[chart.family] === chart.family) {
2036                                 var n = chart.name.split('.')[1];
2037                                 if(n.endsWith('_in'))
2038                                         options.submenu_names[chart.family] = n.slice(0, n.lastIndexOf('_in'));
2039                                 else if(n.endsWith('_out'))
2040                                         options.submenu_names[chart.family] = n.slice(0, n.lastIndexOf('_out'));
2041                                 else if(n.startsWith('in_'))
2042                                         options.submenu_names[chart.family] = n.slice(3, n.length);
2043                                 else if(n.startsWith('out_'))
2044                                         options.submenu_names[chart.family] = n.slice(4, n.length);
2045                         }
2046
2047                         // increase the priority of IFB devices
2048                         // to have inbound appear before outbound
2049                         if(chart.id.match(/.*-ifb$/))
2050                                 chart.priority--;
2051
2052                         break;
2053
2054                 default:
2055                         chart.menu = chart.type;
2056                         break;
2057         }
2058
2059         chart.submenu = chart.family;
2060 }
2061
2062 // ----------------------------------------------------------------------------
2063
2064 function name2id(s) {
2065         return s
2066                 .replace(/ /g, '_')
2067                 .replace(/\(/g, '_')
2068                 .replace(/\)/g, '_')
2069                 .replace(/\./g, '_')
2070                 .replace(/\//g, '_');
2071 }
2072
2073 function headMain(charts, duration) {
2074         var head = '';
2075
2076         if(typeof charts['system.swap'] !== 'undefined')
2077                 head += '<div style="margin-right: 10px;" data-netdata="system.swap"'
2078                 + ' data-dimensions="free"'
2079                 + ' data-append-options="percentage"'
2080                 + ' data-chart-library="easypiechart"'
2081                 + ' data-title="Free Swap"'
2082                 + ' data-units="%"'
2083                 + ' data-easypiechart-max-value="100"'
2084                 + ' data-width="8%"'
2085                 + ' data-before="0"'
2086                 + ' data-after="-' + duration.toString() + '"'
2087                 + ' data-points="' + duration.toString() + '"'
2088                 + ' data-colors="#DD4400"'
2089                 + ' role="application"></div>';
2090
2091         if(typeof charts['system.io'] !== 'undefined') {
2092                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
2093                 + ' data-dimensions="in"'
2094                 + ' data-chart-library="easypiechart"'
2095                 + ' data-title="Disk Read"'
2096                 + ' data-width="10%"'
2097                 + ' data-before="0"'
2098                 + ' data-after="-' + duration.toString() + '"'
2099                 + ' data-points="' + duration.toString() + '"'
2100                 + ' role="application"></div>';
2101
2102                 head += '<div style="margin-right: 10px;" data-netdata="system.io"'
2103                 + ' data-dimensions="out"'
2104                 + ' data-chart-library="easypiechart"'
2105                 + ' data-title="Disk Write"'
2106                 + ' data-width="10%"'
2107                 + ' data-before="0"'
2108                 + ' data-after="-' + duration.toString() + '"'
2109                 + ' data-points="' + duration.toString() + '"'
2110                 + ' role="application"></div>';
2111         }
2112
2113         if(typeof charts['system.cpu'] !== 'undefined')
2114                 head += '<div data-netdata="system.cpu"'
2115                 + ' data-chart-library="gauge"'
2116                 + ' data-title="CPU"'
2117                 + ' data-units="%"'
2118                 + ' data-gauge-max-value="100"'
2119                 + ' data-width="18%"'
2120                 + ' data-after="-' + duration.toString() + '"'
2121                 + ' data-points="' + duration.toString() + '"'
2122                 + ' data-colors="' + NETDATA.colors[12] + '"'
2123                 + ' role="application"></div>';
2124
2125         if(typeof charts['system.ipv4'] !== 'undefined') {
2126                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
2127                 + ' data-dimensions="received"'
2128                 + ' data-chart-library="easypiechart"'
2129                 + ' data-title="IPv4 Inbound"'
2130                 + ' data-width="10%"'
2131                 + ' data-before="0"'
2132                 + ' data-after="-' + duration.toString() + '"'
2133                 + ' data-points="' + duration.toString() + '"'
2134                 + ' role="application"></div>';
2135
2136                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv4"'
2137                 + ' data-dimensions="sent"'
2138                 + ' data-chart-library="easypiechart"'
2139                 + ' data-title="IPv4 Outbound"'
2140                 + ' data-width="10%"'
2141                 + ' data-before="0"'
2142                 + ' data-after="-' + duration.toString() + '"'
2143                 + ' data-points="' + duration.toString() + '"'
2144                 + ' role="application"></div>';
2145         }
2146         else if(typeof charts['system.ipv6'] !== 'undefined') {
2147                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
2148                 + ' data-dimensions="received"'
2149                 + ' data-chart-library="easypiechart"'
2150                 + ' data-title="IPv6 Inbound"'
2151                 + ' data-units="kbps"'
2152                 + ' data-width="10%"'
2153                 + ' data-before="0"'
2154                 + ' data-after="-' + duration.toString() + '"'
2155                 + ' data-points="' + duration.toString() + '"'
2156                 + ' role="application"></div>';
2157
2158                 head += '<div style="margin-right: 10px;" data-netdata="system.ipv6"'
2159                 + ' data-dimensions="sent"'
2160                 + ' data-chart-library="easypiechart"'
2161                 + ' data-title="IPv6 Outbound"'
2162                 + ' data-units="kbps"'
2163                 + ' data-width="10%"'
2164                 + ' data-before="0"'
2165                 + ' data-after="-' + duration.toString() + '"'
2166                 + ' data-points="' + duration.toString() + '"'
2167                 + ' role="application"></div>';
2168         }
2169
2170         if(typeof charts['system.ram'] !== 'undefined')
2171                 head += '<div style="margin-right: 10px;" data-netdata="system.ram"'
2172                 + ' data-dimensions="cached|free"'
2173                 + ' data-append-options="percentage"'
2174                 + ' data-chart-library="easypiechart"'
2175                 + ' data-title="Available RAM"'
2176                 + ' data-units="%"'
2177                 + ' data-easypiechart-max-value="100"'
2178                 + ' data-width="8%"'
2179                 + ' data-after="-' + duration.toString() + '"'
2180                 + ' data-points="' + duration.toString() + '"'
2181                 + ' data-colors="' + NETDATA.colors[7] + '"'
2182                 + ' role="application"></div>';
2183
2184         return head;
2185 }
2186
2187 function generateHeadCharts(type, chart, duration) {
2188         var head = '';
2189         var hcharts = anyAttribute(chartData, type, chart.context, []);
2190         if(hcharts.length > 0) {
2191                 var hi = 0, hlen = hcharts.length;
2192                 while(hi < hlen) {
2193                         if(typeof hcharts[hi] === 'function')
2194                                 head += hcharts[hi](chart.id).replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
2195                         else
2196                                 head += hcharts[hi].replace('CHART_DURATION', duration.toString()).replace('CHART_UNIQUE_ID', chart.id);
2197                         hi++;
2198                 }
2199         }
2200         return head;
2201 }
2202
2203 function renderPage(menus, data) {
2204         var div = document.getElementById('charts_div');
2205         var pcent_width = Math.floor(100 / chartsPerRow($(div).width()));
2206
2207         // find the proper duration for per-second updates
2208         var duration = Math.round(($(div).width() * pcent_width / 100 * data.update_every / 3) / 60) * 60;
2209         var html = '';
2210         var sidebar = '<ul class="nav dashboard-sidenav" data-spy="affix" id="sidebar_ul">';
2211         var mainhead = headMain(data.charts, duration);
2212
2213         // sort the menus
2214         var main = sortObjectByPriority(menus);
2215         var i = 0, len = main.length;
2216         while(i < len) {
2217                 var menu = main[i++];
2218
2219                 // generate an entry at the main menu
2220
2221                 var menuid = name2id(menu);
2222                 sidebar += '<li class=""><a href="#' + menuid + '" onClick="return scrollToId(\'' + menuid + '\');">' + menus[menu].title + '</a><ul class="nav">';
2223                 html += '<div role="section"><div role="sectionhead"><h1 id="' + menuid + '" role="heading">' + menus[menu].title + '</h1></div><div id="menu_' + menuid + '" role="document">';
2224
2225                 if(menus[menu].info !== null)
2226                         html += menus[menu].info;
2227
2228                 // console.log(' >> ' + menu + ' (' + menus[menu].priority + '): ' + menus[menu].title);
2229
2230                 var shtml = '';
2231                 var mhead = '<div class="netdata-chart-row">' + mainhead;
2232                 mainhead = '';
2233
2234                 // sort the submenus of this menu
2235                 var sub = sortObjectByPriority(menus[menu].submenus);
2236                 var si = 0, slen = sub.length;
2237                 while(si < slen) {
2238                         var submenu = sub[si++];
2239
2240                         // generate an entry at the submenu
2241                         var submenuid = name2id(menu + '_' + submenu);
2242                         sidebar += '<li class><a href="#' + submenuid + '" onClick="return scrollToId(\'' + submenuid + '\');">' + menus[menu].submenus[submenu].title + '</a></li>';
2243                         shtml += '<div class="netdata-group-container" id="submenu_' + submenuid + '" style="display: inline-block; width: ' + pcent_width.toString() + '%"><h2 id="' + submenuid + '" class="netdata-chart-alignment" role="heading">' + menus[menu].submenus[submenu].title + '</h2>';
2244
2245                         if(menus[menu].submenus[submenu].info !== null)
2246                                 shtml += '<div class="chart-message netdata-chart-alignment" role="document">' + menus[menu].submenus[submenu].info + '</div>';
2247
2248                         var head = '<div class="netdata-chart-row">';
2249                         var chtml = '';
2250
2251                         // console.log('    \------- ' + submenu + ' (' + menus[menu].submenus[submenu].priority + '): ' + menus[menu].submenus[submenu].title);
2252
2253                         // sort the charts in this submenu of this menu
2254                         menus[menu].submenus[submenu].charts.sort(prioritySort);
2255                         var ci = 0, clen = menus[menu].submenus[submenu].charts.length;
2256                         while(ci < clen) {
2257                                 var chart = menus[menu].submenus[submenu].charts[ci++];
2258
2259                                 // generate the submenu heading charts
2260                                 mhead += generateHeadCharts('mainheads', chart, duration);
2261                                 head += generateHeadCharts('heads', chart, duration);
2262
2263                                 // generate the chart
2264                                 chtml += chartInfo(chart.context) + '<div data-netdata="' + chart.id + '"'
2265                                         + ' data-width="' + pcent_width.toString() + '%"'
2266                                         + ' data-height="' + chartHeight(chart.context, options.chartsHeight).toString() + 'px"'
2267                                         + ' data-before="0"'
2268                                         + ' data-after="-' + duration.toString() + '"'
2269                                         + ' data-id="' + name2id(options.hostname + '/' + chart.id) + '"'
2270                                         + ' data-colors="' + anyAttribute(chartData, 'colors', chart.context, '') + '"'
2271                                         + ' role="application"></div>';
2272
2273                                 // console.log('         \------- ' + chart.id + ' (' + chart.priority + '): ' + chart.context  + ' height: ' + menus[menu].submenus[submenu].height);
2274                         }
2275
2276                         head += '</div>';
2277                         shtml += head + chtml + '</div>';
2278                 }
2279
2280                 mhead += '</div>';
2281                 sidebar += '</ul></li>';
2282                 html += mhead + shtml + '</div></div><hr role="separator"/>';
2283         }
2284
2285         sidebar += '</ul>';
2286         div.innerHTML = html;
2287         document.getElementById('sidebar').innerHTML = sidebar;
2288         finalizePage();
2289 }
2290
2291 function renderChartsAndMenu(data) {
2292         var menus = {};
2293         var charts = data.charts;
2294
2295         for(var c in charts) {
2296                 enrichChartData(charts[c]);
2297
2298                 // create the menu
2299                 if(typeof menus[charts[c].menu] === 'undefined') {
2300                         menus[charts[c].menu] = {
2301                                 priority: charts[c].priority,
2302                                 submenus: {},
2303                                 title: menuTitle(charts[c]),
2304                                 info: menuInfo(charts[c].menu),
2305                                 height: menuHeight(charts[c].menu, options.chartsHeight)
2306                         };
2307                 }
2308
2309                 if(charts[c].priority < menus[charts[c].menu].priority)
2310                         menus[charts[c].menu].priority = charts[c].priority;
2311
2312                 // create the submenu
2313                 if(typeof menus[charts[c].menu].submenus[charts[c].submenu] === 'undefined') {
2314                         menus[charts[c].menu].submenus[charts[c].submenu] = {
2315                                 priority: charts[c].priority,
2316                                 charts: new Array(),
2317                                 title: null,
2318                                 info: submenuInfo(charts[c].menu, charts[c].submenu),
2319                                 height: submenuHeight(charts[c].menu, charts[c].submenu, menus[charts[c].menu].height)
2320                         };
2321                 }
2322
2323                 if(charts[c].priority < menus[charts[c].menu].submenus[charts[c].submenu].priority)
2324                         menus[charts[c].menu].submenus[charts[c].submenu].priority = charts[c].priority;
2325
2326                 // index the chart in the menu/submenu
2327                 menus[charts[c].menu].submenus[charts[c].submenu].charts.push(charts[c]);
2328         }
2329
2330         // propagate the descriptive subname given to QoS
2331         // to all the other submenus with the same name
2332         for(var m in menus) {
2333                 for(var s in menus[m].submenus) {
2334                         // set the family using a name
2335                         if(typeof options.submenu_names[s] !== 'undefined') {
2336                                 menus[m].submenus[s].title = s + ' (' + options.submenu_names[s] + ')';
2337                         }
2338                         else {
2339                                 menus[m].submenus[s].title = submenuTitle(m, s);
2340                         }
2341                 }
2342         }
2343
2344         renderPage(menus, data);
2345 }
2346
2347 function downloadAllCharts(netdata_url) {
2348         if(typeof netdata_url === 'undefined' || netdata_url === null)
2349                 netdata_url = NETDATA.serverDefault;
2350
2351         NETDATA.pause(function() {
2352                 $("#loadOverlay").css("display","none");
2353                 $("#loadOverlay").css("display","none");
2354
2355                 // download all the charts the server knows
2356                 NETDATA.chartRegistry.downloadAll(netdata_url, function(data) {
2357
2358                         options.data = data;
2359                         options.hostname = data.hostname;
2360                         document.getElementById('hostname').innerHTML = options.hostname;
2361                         document.getElementById('hostname').href = NETDATA.serverDefault;
2362                         document.title = options.hostname + ' netdata dashboard';
2363
2364                         renderChartsAndMenu(data);
2365
2366                         // prepare our DOM
2367 //                      prepareScreen(data);
2368
2369                         // due to affix issues, prepareScreen() will unpause
2370                         // netdata as needed
2371                 });
2372         });
2373 }
2374
2375 // ----------------------------------------------------------------------------
2376
2377 function versionLog(msg) {
2378         document.getElementById('versionCheckLog').innerHTML = msg;
2379 }
2380
2381 function getNetdataVersion(callback) {
2382         versionLog('Downloading installed version info from netdata...');
2383
2384         $.ajax({
2385                 url: 'version.txt',
2386                 async: true,
2387                 cache: false
2388         })
2389         .done(function(data) {
2390                 data = data.replace(/(\r\n|\n|\r| |\t)/gm,"");
2391                 if(data.length !== 40) {
2392                         versionLog('Received version string is invalid.');
2393                         callback(null);
2394                 }
2395                 else {
2396                         versionLog('Installed version of netdata is ' + data);
2397                         document.getElementById('netdataVersion').innerHTML = data;
2398                         callback(data);
2399                 }
2400         })
2401         .fail(function() {
2402                 versionLog('Failed to download installed version info from netdata!');
2403                 callback(null);
2404         });
2405 }
2406
2407 function getGithubLatestCommit(callback) {
2408         versionLog('Downloading latest version info from github...');
2409
2410         $.ajax({
2411                 url: 'https://api.github.com/repos/firehol/netdata/commits',
2412                 async: true,
2413                 cache: false
2414         })
2415         .done(function(data) {
2416                 versionLog('Latest version info from github is ' + data[0].sha);
2417                 callback(data[0].sha);
2418         })
2419         .fail(function() {
2420                 versionLog('Failed to download installed version info from github!');
2421                 callback(null);
2422         });
2423 }
2424
2425 function checkForUpdate(callback) {
2426         getNetdataVersion(function(sha1) {
2427                 if(sha1 === null) callback(null, null);
2428
2429                 getGithubLatestCommit(function(sha2) {
2430                         callback(sha1, sha2);
2431                 });
2432         });
2433
2434         return null;
2435 }
2436
2437 var updateBlinkCounter = 0;
2438 function notifyForUpdate(force) {
2439         versionLog('<p>checking for updates...</p>');
2440
2441         var now = new Date().getTime();
2442
2443         if(typeof force === 'undefined' || force !== true) {
2444                 var last = loadLocalStorage('last_update_check');
2445
2446                 if(typeof last === 'string')
2447                         last = parseInt(last);
2448                 else
2449                         last = 0;
2450
2451                 if(now - last < 3600000 * 8) {
2452                         // no need to check it - too soon
2453                         return;
2454                 }
2455         }
2456
2457         checkForUpdate(function(sha1, sha2) {
2458                 var save = false;
2459
2460                 if(sha1 === null) {
2461                         save = false;
2462                         versionLog('<p><big>Failed to get your netdata version!</big></p><p>You can always get the latest version of netdata from <a href="https://github.com/firehol/netdata" target="_blank">its github page</a>.</p>');
2463                 }
2464                 else if(sha2 === null) {
2465                         save = false;
2466                         versionLog('<p><big>Failed to get the latest version from github.</big></p><p>You can always get the latest version of netdata from <a href="https://github.com/firehol/netdata" target="_blank">its github page</a>.</p>');
2467                 }
2468                 else if(sha1 === sha2) {
2469                         save = true;
2470                         versionLog('<p><big>You already have the latest version of netdata!</big></p><p>No update yet?<br/>Probably, we need some motivation to keep going on!</p><p>If you haven\'t already, <a href="https://github.com/firehol/netdata" target="_blank">give netdata a <b>Star</b> at its github page</a>.</p>');
2471                 }
2472                 else {
2473                         save = true;
2474                         var compare = 'https://github.com/firehol/netdata/compare/' + sha1.toString() + '...' + sha2.toString();
2475
2476                         versionLog('<p><big><strong>New version of netdata available!</strong></big></p><p>Latest version: ' + sha2.toString() + '</p><p><a href="' + compare + '" target="_blank">Click here for the changes log</a> since your installed version, and<br/><a href="https://github.com/firehol/netdata/wiki/Updating-Netdata" target="_blank">click here for directions on updating</a> your netdata installation.</p><p>We suggest to review the changes log for new features you may be interested, or important bug fixes you may need.<br/>Keeping your netdata updated, is generally a good idea.</p>');
2477
2478                         function updateButtonBlink() {
2479                                 updateBlinkCounter--;
2480                                 if(updateBlinkCounter > 0)
2481                                         $('#updateButton').fadeOut(500).fadeIn(500, updateButtonBlink);
2482                         }
2483
2484                         if(updateBlinkCounter === 0) {
2485                                 updateBlinkCounter = 300;
2486                                 updateButtonBlink();
2487                         }
2488                 }
2489
2490                 if(save)
2491                         saveLocalStorage('last_update_check', now.toString());
2492         });
2493 }
2494
2495 // ----------------------------------------------------------------------------
2496
2497 function finalizePage() {
2498         // resize all charts - without starting the background thread
2499         // this has to be done while NETDATA is paused
2500         // if we ommit this, the affix menu will be wrong, since all
2501         // the Dom elements are initially zero-sized
2502         NETDATA.parseDom();
2503
2504         if(urlOptions.pan_and_zoom === true) {
2505                 urlOptions.nowelcome = true;
2506                 NETDATA.globalPanAndZoom.setMaster(NETDATA.options.targets[0], urlOptions.after, urlOptions.before);
2507         }
2508
2509         // ------------------------------------------------------------------------
2510         // https://github.com/viralpatel/jquery.shorten/blob/master/src/jquery.shorten.js
2511         $.fn.shorten = function(settings) {
2512                 "use strict";
2513
2514                 var config = {
2515                         showChars: 750,
2516                         minHideChars: 10,
2517                         ellipsesText: "...",
2518                         moreText: '<i class="fa fa-expand" aria-hidden="true"></i> show more information',
2519                         lessText: '<i class="fa fa-compress" aria-hidden="true"></i> show less information',
2520                         onLess: function() { NETDATA.onscroll(); },
2521                         onMore: function() { NETDATA.onscroll(); },
2522                         errMsg: null,
2523                         force: false
2524                 };
2525
2526                 if (settings) {
2527                         $.extend(config, settings);
2528                 }
2529
2530                 if ($(this).data('jquery.shorten') && !config.force) {
2531                         return false;
2532                 }
2533                 $(this).data('jquery.shorten', true);
2534
2535                 $(document).off("click", '.morelink');
2536
2537                 $(document).on({
2538                         click: function() {
2539
2540                                 var $this = $(this);
2541                                 if ($this.hasClass('less')) {
2542                                         $this.removeClass('less');
2543                                         $this.html(config.moreText);
2544                                         $this.parent().prev().animate({'height':'0'+'%'}, 0, function () { $this.parent().prev().prev().show(); }).hide(0, function() {
2545                                                 config.onLess();
2546                                         });
2547
2548                                 } else {
2549                                         $this.addClass('less');
2550                                         $this.html(config.lessText);
2551                                         $this.parent().prev().animate({'height':'100'+'%'}, 0, function () { $this.parent().prev().prev().hide(); }).show(0, function() {
2552                                                 config.onMore();
2553                                         });
2554                                 }
2555                                 return false;
2556                         }
2557                 }, '.morelink');
2558
2559                 return this.each(function() {
2560                         var $this = $(this);
2561
2562                         var content = $this.html();
2563                         var contentlen = $this.text().length;
2564                         if (contentlen > config.showChars + config.minHideChars) {
2565                                 var c = content.substr(0, config.showChars);
2566                                 if (c.indexOf('<') >= 0) // If there's HTML don't want to cut it
2567                                 {
2568                                         var inTag = false; // I'm in a tag?
2569                                         var bag = ''; // Put the characters to be shown here
2570                                         var countChars = 0; // Current bag size
2571                                         var openTags = []; // Stack for opened tags, so I can close them later
2572                                         var tagName = null;
2573
2574                                         for (var i = 0, r = 0; r <= config.showChars; i++) {
2575                                                 if (content[i] == '<' && !inTag) {
2576                                                         inTag = true;
2577
2578                                                         // This could be "tag" or "/tag"
2579                                                         tagName = content.substring(i + 1, content.indexOf('>', i));
2580
2581                                                         // If its a closing tag
2582                                                         if (tagName[0] == '/') {
2583
2584
2585                                                                 if (tagName != '/' + openTags[0]) {
2586                                                                         config.errMsg = 'ERROR en HTML: the top of the stack should be the tag that closes';
2587                                                                 } else {
2588                                                                         openTags.shift(); // Pops the last tag from the open tag stack (the tag is closed in the retult HTML!)
2589                                                                 }
2590
2591                                                         } else {
2592                                                                 // There are some nasty tags that don't have a close tag like <br/>
2593                                                                 if (tagName.toLowerCase() != 'br') {
2594                                                                         openTags.unshift(tagName); // Add to start the name of the tag that opens
2595                                                                 }
2596                                                         }
2597                                                 }
2598                                                 if (inTag && content[i] == '>') {
2599                                                         inTag = false;
2600                                                 }
2601
2602                                                 if (inTag) { bag += content.charAt(i); } // Add tag name chars to the result
2603                                                 else {
2604                                                         r++;
2605                                                         if (countChars <= config.showChars) {
2606                                                                 bag += content.charAt(i); // Fix to ie 7 not allowing you to reference string characters using the []
2607                                                                 countChars++;
2608                                                         } else // Now I have the characters needed
2609                                                         {
2610                                                                 if (openTags.length > 0) // I have unclosed tags
2611                                                                 {
2612                                                                         //console.log('They were open tags');
2613                                                                         //console.log(openTags);
2614                                                                         for (j = 0; j < openTags.length; j++) {
2615                                                                                 //console.log('Cierro tag ' + openTags[j]);
2616                                                                                 bag += '</' + openTags[j] + '>'; // Close all tags that were opened
2617
2618                                                                                 // You could shift the tag from the stack to check if you end with an empty stack, that means you have closed all open tags
2619                                                                         }
2620                                                                         break;
2621                                                                 }
2622                                                         }
2623                                                 }
2624                                         }
2625                                         c = $('<div/>').html(bag + '<span class="ellip">' + config.ellipsesText + '</span>').html();
2626                                 }else{
2627                                         c+=config.ellipsesText;
2628                                 }
2629
2630                                 var html = '<div class="shortcontent">' + c +
2631                                                 '</div><div class="allcontent">' + content +
2632                                                 '</div><span><a href="javascript://nop/" class="morelink">' + config.moreText + '</a></span>';
2633
2634                                 $this.html(html);
2635                                 $this.find(".allcontent").hide(); // Hide all text
2636                                 $('.shortcontent p:last', $this).css('margin-bottom', 0); //Remove bottom margin on last paragraph as it's likely shortened
2637                         }
2638                 });
2639
2640         };
2641         $(".chart-message").shorten();
2642         // ------------------------------------------------------------------------
2643
2644         // callback for us to track PanAndZoom operations
2645         NETDATA.globalPanAndZoom.callback = netdataPanAndZoomCallback;
2646
2647         // let it run (update the charts)
2648         NETDATA.unpause();
2649
2650         // check if we have to jump to a specific section
2651         scrollToId(urlOptions.hash.replace('#',''));
2652
2653         /* activate bootstrap sidebar (affix) */
2654         $('#sidebar').affix({
2655                 offset: {
2656                         top: (isdemo())?150:0,
2657                         bottom: 0
2658                 }
2659         });
2660
2661         /* fix scrolling of very long affix lists
2662            http://stackoverflow.com/questions/21691585/bootstrap-3-1-0-affix-too-long
2663          */
2664         $('#sidebar').on('affixed.bs.affix', function() {
2665                 $(this).removeAttr('style');
2666         });
2667
2668         /* activate bootstrap scrollspy (needed for sidebar) */
2669         $(document.body).scrollspy({
2670                 target: '#sidebar',
2671                 offset: $(window).height() / 3 // controls the diff of the <hX> element to the top, to select it
2672         });
2673
2674         // change the URL based on the current position of the screen
2675         $('#sidebar').on('activate.bs.scrollspy', function (e) {
2676                 var el = $(e.target);
2677                 if(el.find('ul').size() == 0) {
2678                         var hash = el.find('a').attr('href');
2679                         if(typeof hash === 'string' && hash.substring(0, 1) == '#') {
2680                                 urlOptions.hash = hash;
2681                                 // console.log(urlOptions.hash);
2682                                 netdataHashUpdate();
2683                         }
2684                 }
2685         });
2686
2687         document.getElementById('footer').style.display = 'block';
2688
2689         var update_options_modal = function() {
2690                 // console.log('update_options_modal');
2691
2692                 var sync_option = function(option) {
2693                         var self = $('#' + option);
2694
2695                         if(self.prop('checked') !== NETDATA.getOption(option)) {
2696                                 // console.log('switching ' + option.toString());
2697                                 self.bootstrapToggle(NETDATA.getOption(option)?'on':'off');
2698                         }
2699                 }
2700
2701                 var theme_sync_option = function(option) {
2702                         var self = $('#' + option);
2703
2704                         self.bootstrapToggle(netdataTheme === 'slate'?'on':'off');
2705                 }
2706
2707                 sync_option('eliminate_zero_dimensions');
2708                 sync_option('destroy_on_hide');
2709                 sync_option('parallel_refresher');
2710                 sync_option('concurrent_refreshes');
2711                 sync_option('sync_selection');
2712                 sync_option('sync_pan_and_zoom');
2713                 sync_option('stop_updates_when_focus_is_lost');
2714                 sync_option('smooth_plot');
2715                 sync_option('pan_and_zoom_data_padding');
2716                 sync_option('show_help');
2717                 theme_sync_option('netdata_theme_control');
2718
2719                 if(NETDATA.getOption('parallel_refresher') === false) {
2720                         $('#concurrent_refreshes_row').hide();
2721                 }
2722                 else {
2723                         $('#concurrent_refreshes_row').show();
2724                 }
2725         };
2726         NETDATA.setOption('setOptionCallback', update_options_modal);
2727
2728         // handle options changes
2729         $('#eliminate_zero_dimensions').change(function()       { NETDATA.setOption('eliminate_zero_dimensions', $(this).prop('checked')); });
2730         $('#destroy_on_hide').change(function()                 { NETDATA.setOption('destroy_on_hide', $(this).prop('checked')); });
2731         $('#parallel_refresher').change(function()              { NETDATA.setOption('parallel_refresher', $(this).prop('checked')); });
2732         $('#concurrent_refreshes').change(function()            { NETDATA.setOption('concurrent_refreshes', $(this).prop('checked')); });
2733         $('#sync_selection').change(function()                  { NETDATA.setOption('sync_selection', $(this).prop('checked')); });
2734         $('#sync_pan_and_zoom').change(function()               { NETDATA.setOption('sync_pan_and_zoom', $(this).prop('checked')); });
2735         $('#stop_updates_when_focus_is_lost').change(function() { NETDATA.setOption('stop_updates_when_focus_is_lost', $(this).prop('checked')); });
2736         $('#smooth_plot').change(function()                     { NETDATA.setOption('smooth_plot', $(this).prop('checked')); });
2737         $('#pan_and_zoom_data_padding').change(function()       { NETDATA.setOption('pan_and_zoom_data_padding', $(this).prop('checked')); });
2738         $('#show_help').change(function()                       {
2739                 urlOptions.help = $(this).prop('checked');
2740                 NETDATA.setOption('show_help', urlOptions.help);
2741                 netdataReload();
2742         });
2743
2744         // this has to be the last
2745         // it reloads the page
2746         $('#netdata_theme_control').change(function() {
2747                 urlOptions.theme = $(this).prop('checked')?'slate':'white';
2748                 if(setTheme(urlOptions.theme))
2749                         netdataReload();
2750         });
2751
2752         $('#updateModal').on('shown.bs.modal', function() {
2753                 notifyForUpdate(true);
2754         });
2755
2756         $('#deleteRegistryModal').on('hidden.bs.modal', function() {
2757                 deleteRegistryGuid = null;
2758         });
2759
2760         if(isdemo()) {
2761                 if(!urlOptions.nowelcome) {
2762                         setTimeout(function() {
2763                                 $('#welcomeModal').modal();
2764                         }, 1000);
2765                 }
2766
2767                 // google analytics when this is used for the home page of the demo sites
2768                 // this does not run on user's installations
2769                 setTimeout(function() {
2770                         (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
2771                         (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
2772                         m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
2773                         })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
2774
2775                         ga('create', 'UA-64295674-3', 'auto');
2776                         ga('send', 'pageview');
2777                 }, 2000);
2778         }
2779         else notifyForUpdate();
2780 }
2781
2782 function resetDashboardOptions() {
2783         var help = NETDATA.options.current.show_help;
2784
2785         NETDATA.resetOptions();
2786         if(setTheme('slate'))
2787                 netdataReload();
2788
2789         if(help !== NETDATA.options.current.show_help)
2790                 netdataReload();
2791 }
2792
2793 downloadAllCharts();
2794
2795 </script>
2796
2797 </body>
2798 </html>