node.d/node_modules/netdata.js

   1 'use strict';\r
   2 \r
   3 var url = require('url');\r
   4 var http = require('http');\r
   5 var util = require('util');\r
   6 \r
   7 /*\r
   8 var netdata = require('netdata');\r
   9 \r
  10 var example_chart = {\r
  11         id: 'id',                                               // the unique id of the chart\r
  12         name: 'name',                                   // the name of the chart\r
  13         title: 'title',                                 // the title of the chart\r
  14         units: 'units',                                 // the units of the chart dimensions\r
  15         family: 'family',                               // the family of the chart\r
  16         category: 'category',                   // the category of the chart\r
  17         type: netdata.chartTypes.line,  // the type of the chart\r
  18         priority: 0,                                    // the priority relative to others in the same family and category\r
  19         update_every: 1,                                // the expected update frequency of the chart\r
  20         dimensions: {\r
  21                 'dim1': {\r
  22                         id: 'dim1',                             // the unique id of the dimension\r
  23                         name: 'name',                   // the name of the dimension\r
  24                         algorithm: netdata.chartAlgorithms.absolute,    // the id of the netdata algorithm\r
  25                         multiplier: 1,                  // the multiplier\r
  26                         divisor: 1,                             // the divisor\r
  27                         hidden: false,                  // is hidden (boolean)\r
  28                 },\r
  29                 'dim2': {\r
  30                         id: 'dim2',                             // the unique id of the dimension\r
  31                         name: 'name',                   // the name of the dimension\r
  32                         algorithm: 'absolute',  // the id of the netdata algorithm\r
  33                         multiplier: 1,                  // the multiplier\r
  34                         divisor: 1,                             // the divisor\r
  35                         hidden: false,                  // is hidden (boolean)\r
  36                 }\r
  37                 // add as many dimensions as needed\r
  38         }\r
  39 };\r
  40 */\r
  41 \r
  42 var netdata = {\r
  43         options: {\r
  44                 filename: __filename,\r
  45                 DEBUG: false,\r
  46                 update_every: 1000,\r
  47         },\r
  48 \r
  49         chartAlgorithms: {\r
  50                 incremental: 'incremental',\r
  51                 absolute: 'absolute',\r
  52                 percentage_of_absolute_row: 'percentage-of-absolute-row',\r
  53                 percentage_of_incremental_row: 'percentage-of-incremental-row'\r
  54         },\r
  55 \r
  56         chartTypes: {\r
  57                 line: 'line',\r
  58                 area: 'area',\r
  59                 stacked: 'stacked'\r
  60         },\r
  61 \r
  62         services: new Array(),\r
  63         modules_configuring: 0,\r
  64         charts: {},\r
  65 \r
  66         stringify: function(obj) {\r
  67                 return util.inspect(obj, {depth: 10});\r
  68         },\r
  69 \r
  70         // show debug info, if debug is enabled\r
  71         debug: function(msg) {\r
  72                 if(this.options.DEBUG === true) {\r
  73                         var now = new Date();\r
  74                         console.error(now.toString() + ': ' + netdata.options.filename + ': DEBUG: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());\r
  75                 }\r
  76         },\r
  77 \r
  78         // log an error\r
  79         error: function(msg) {\r
  80                 var now = new Date();\r
  81                 console.error(now.toString() + ': ' + netdata.options.filename + ': ERROR: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());\r
  82         },\r
  83 \r
  84         // send data to netdata\r
  85         send: function(msg) {\r
  86                 console.log(msg.toString());\r
  87         },\r
  88 \r
  89         serviceAdd: function(service) {\r
  90                 if(netdata.serviceIsInitialized(service) === false)\r
  91                         netdata.serviceInit(service);\r
  92 \r
  93                 if(service.added !== true) {\r
  94                         service.updates = 0;\r
  95                         service.enabled = true;\r
  96                         service.added = true;\r
  97                         service.running = false;\r
  98                         service.started = 0;\r
  99                         service.ended = 0;\r
 100                         service._current_chart = null; // the current chart we work on\r
 101                         service._queue = '';\r
 102                         service.queue = function(txt) {\r
 103                                 this._queue += txt + '\n';\r
 104                         };\r
 105 \r
 106                         service._send_chart_to_netdata = function(chart) {\r
 107                                 // internal function to send a chart to netdata\r
 108                                 this.queue('CHART "' + chart.id + '" "' + chart.name + '" "' + chart.title + '" "' + chart.units + '" "' + chart.family + '" "' + chart.category + '" "' + chart.type + '" ' + chart.priority.toString() + ' ' + chart.update_every.toString());\r
 109                                 \r
 110                                 for(var dim in chart.dimensions) {\r
 111                                         var d = chart.dimensions[dim];\r
 112 \r
 113                                         this.queue('DIMENSION "' + d.id + '" "' + d.name + '" "' + d.algorithm + '" ' + d.multiplier.toString() + ' ' + d.divisor.toString() + ' ' + ((d.hidden === true)?'hidden':'').toString());\r
 114                                         d._created = true;\r
 115                                         d._updated = false;\r
 116                                 }\r
 117 \r
 118                                 chart._created = true;\r
 119                                 chart._updated = false;\r
 120                         };\r
 121 \r
 122                         // begin data collection for a chart\r
 123                         service.begin = function(chart) {\r
 124                                 if(this._current_chart !== null && this._current_chart !== chart) {\r
 125                                         netdata.serviceError(this, 'Called begin() for chart ' + chart.id + ' while chart ' + this._current_chart.id + ' is still open. Closing it.');\r
 126                                         this.end();\r
 127                                 }\r
 128 \r
 129                                 if(typeof(chart.id) === 'undefined' || netdata.charts[chart.id] != chart) {\r
 130                                         netdata.serviceError(this, 'Called begin() for chart ' + chart.id + ' that is not mine. Where did you find it? Ignoring it.');\r
 131                                         return false;\r
 132                                 }\r
 133 \r
 134                                 if(netdata.options.DEBUG === true) netdata.debug('setting current chart to ' + chart.id);\r
 135                                 this._current_chart = chart;\r
 136                                 this._current_chart._began = true;\r
 137 \r
 138                                 if(this._current_chart._dimensions_count !== 0) {\r
 139                                         if(this._current_chart._created === false || this._current_chart._updated === true)\r
 140                                                 this._send_chart_to_netdata(this._current_chart);\r
 141 \r
 142                                         var now = this.ended;\r
 143                                         this.queue('BEGIN ' + this._current_chart.id + ' ' + ((this._current_chart._last_updated > 0)?((now - this._current_chart._last_updated) * 1000):'').toString());\r
 144                                 }\r
 145                                 // else netdata.serviceError(this, 'Called begin() for chart ' + chart.id + ' which is empty.');\r
 146 \r
 147                                 this._current_chart._last_updated = now;\r
 148                                 this._current_chart._began = true;\r
 149                                 this._current_chart._counter++;\r
 150 \r
 151                                 return true;\r
 152                         };\r
 153 \r
 154                         // set a collected value for a chart\r
 155                         // we do most things on the first value we attempt to set\r
 156                         service.set = function(dimension, value) {\r
 157                                 if(this._current_chart === null) {\r
 158                                         netdata.serviceError(this, 'Called set(' + dimension + ', ' + value + ') without an open chart.');\r
 159                                         return false;\r
 160                                 }\r
 161 \r
 162                                 if(typeof(this._current_chart.dimensions[dimension]) === 'undefined') {\r
 163                                         netdata.serviceError(this, 'Called set(' + dimension + ', ' + value + ') but dimension "' + dimension + '" does not exist in chart "' + this._current_chart.id + '".');\r
 164                                         return false;\r
 165                                 }\r
 166 \r
 167                                 if(this._current_chart._dimensions_count !== 0)\r
 168                                         this.queue('SET ' + dimension + ' = ' + value);\r
 169 \r
 170                                 return true;\r
 171                         };\r
 172 \r
 173                         // end data collection for the current chart - after calling begin()\r
 174                         service.end = function() {\r
 175                                 if(this._current_chart !== null && this._current_chart._began === false) {\r
 176                                         netdata.serviceError(this, 'Called end() without an open chart.');\r
 177                                         return false;\r
 178                                 }\r
 179 \r
 180                                 if(this._current_chart._dimensions_count !== 0) {\r
 181                                         this.queue('END');\r
 182                                         netdata.send(this._queue);\r
 183                                 }\r
 184 \r
 185                                 this._queue = '';\r
 186                                 this._current_chart._began = false;\r
 187                                 if(netdata.options.DEBUG === true) netdata.debug('committed chart ' + this._current_chart.id);\r
 188                                 this._current_chart = null;\r
 189                                 return true;\r
 190                         };\r
 191 \r
 192                         // discard the collected values for the current chart - after calling begin()\r
 193                         service.flush = function() {\r
 194                                 if(this._current_chart === null || this._current_chart._began === false) {\r
 195                                         netdata.serviceError(this, 'Called flush() without an open chart.');\r
 196                                         return false;\r
 197                                 }\r
 198 \r
 199                                 this._queue = '';\r
 200                                 this._current_chart._began = false;\r
 201                                 this._current_chart = null;\r
 202                                 return true;\r
 203                         };\r
 204 \r
 205                         // create a netdata chart\r
 206                         service.chart = function(id, chart) {\r
 207                                 if(typeof(netdata.charts[id]) === 'undefined') {\r
 208                                         netdata.charts[id] = {\r
 209                                                 _created: false,\r
 210                                                 _updated: false,\r
 211                                                 _began: false,\r
 212                                                 _counter: 0,\r
 213                                                 _last_updated: 0,\r
 214                                                 _dimensions_count: 0,\r
 215                                                 id: id,\r
 216                                                 name: id,\r
 217                                                 title: 'untitled chart',\r
 218                                                 units: 'a unit',\r
 219                                                 family: id,\r
 220                                                 category: id,\r
 221                                                 type: netdata.chartTypes.line,\r
 222                                                 priority: 0,\r
 223                                                 update_every: netdata.options.update_every,\r
 224                                                 dimensions: {}\r
 225                                         };\r
 226                                 }\r
 227 \r
 228                                 var c = netdata.charts[id];\r
 229 \r
 230                                 if(typeof(chart.name) !== 'undefined' && chart.name !== c.name) {\r
 231                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its name');\r
 232                                         c.name = chart.name;\r
 233                                         c._updated = true;\r
 234                                 }\r
 235 \r
 236                                 if(typeof(chart.title) !== 'undefined' && chart.title !== c.title) {\r
 237                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its title');\r
 238                                         c.title = chart.title;\r
 239                                         c._updated = true;\r
 240                                 }\r
 241 \r
 242                                 if(typeof(chart.units) !== 'undefined' && chart.units !== c.units) {\r
 243                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its units');\r
 244                                         c.units = chart.units;\r
 245                                         c._updated = true;\r
 246                                 }\r
 247 \r
 248                                 if(typeof(chart.family) !== 'undefined' && chart.family !== c.family) {\r
 249                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its family');\r
 250                                         c.family = chart.family;\r
 251                                         c._updated = true;\r
 252                                 }\r
 253 \r
 254                                 if(typeof(chart.category) !== 'undefined' && chart.category !== c.category) {\r
 255                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its category');\r
 256                                         c.category = chart.category;\r
 257                                         c._updated = true;\r
 258                                 }\r
 259 \r
 260                                 if(typeof(chart.type) !== 'undefined' && chart.type !== c.type) {\r
 261                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its type');\r
 262                                         c.type = chart.type;\r
 263                                         c._updated = true;\r
 264                                 }\r
 265 \r
 266                                 if(typeof(chart.priority) !== 'undefined' && chart.priority !== c.priority) {\r
 267                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its priority');\r
 268                                         c.priority = chart.priority;\r
 269                                         c._updated = true;\r
 270                                 }\r
 271 \r
 272                                 if(typeof(chart.update_every) !== 'undefined' && chart.update_every !== c.update_every) {\r
 273                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' updated its update_every');\r
 274                                         c.update_every = chart.update_every;\r
 275                                         c._updated = true;\r
 276                                 }\r
 277 \r
 278                                 if(typeof(chart.dimensions) !== 'undefined') {\r
 279                                         for(var x in chart.dimensions) {\r
 280                                                 if(typeof(c.dimensions[x]) === 'undefined') {\r
 281                                                         c._dimensions_count++;\r
 282 \r
 283                                                         c.dimensions[x] = {\r
 284                                                                 _created: false,\r
 285                                                                 _updated: false,\r
 286                                                                 id: x,                                  // the unique id of the dimension\r
 287                                                                 name: x,                                // the name of the dimension\r
 288                                                                 algorithm: netdata.chartAlgorithms.absolute,    // the id of the netdata algorithm\r
 289                                                                 multiplier: 1,                  // the multiplier\r
 290                                                                 divisor: 1,                             // the divisor\r
 291                                                                 hidden: false,                  // is hidden (boolean)\r
 292                                                         };\r
 293 \r
 294                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ' created dimension ' + x);\r
 295                                                         c._updated = true;\r
 296                                                 }\r
 297 \r
 298                                                 var dim = chart.dimensions[x];\r
 299                                                 var d = c.dimensions[x];\r
 300 \r
 301                                                 if(typeof(dim.name) !== 'undefined' && d.name !== dim.name) {\r
 302                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its name');\r
 303                                                         d.name = dim.name;\r
 304                                                         d._updated = true;\r
 305                                                 }\r
 306 \r
 307                                                 if(typeof(dim.algorithm) !== 'undefined' && d.algorithm !== dim.algorithm) {\r
 308                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its algorithm from ' + d.algorithm + ' to ' + dim.algorithm);\r
 309                                                         d.algorithm = dim.algorithm;\r
 310                                                         d._updated = true;\r
 311                                                 }\r
 312 \r
 313                                                 if(typeof(dim.multiplier) !== 'undefined' && d.multiplier !== dim.multiplier) {\r
 314                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its multiplier');\r
 315                                                         d.multiplier = dim.multiplier;\r
 316                                                         d._updated = true;\r
 317                                                 }\r
 318 \r
 319                                                 if(typeof(dim.divisor) !== 'undefined' && d.divisor !== dim.divisor) {\r
 320                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its divisor');\r
 321                                                         d.divisor = dim.divisor;\r
 322                                                         d._updated = true;\r
 323                                                 }\r
 324 \r
 325                                                 if(typeof(dim.hidden) !== 'undefined' && d.hidden !== dim.hidden) {\r
 326                                                         if(netdata.options.DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its hidden status');\r
 327                                                         d.hidden = dim.hidden;\r
 328                                                         d._updated = true;\r
 329                                                 }\r
 330 \r
 331                                                 if(d._updated) c._updated = true;\r
 332                                         }\r
 333                                 }\r
 334 \r
 335                                 if(netdata.options.DEBUG === true) netdata.debug(netdata.charts);\r
 336                                 return netdata.charts[id];\r
 337                         };\r
 338 \r
 339                         this.services.push(service);\r
 340                         if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': service added.');\r
 341                 }\r
 342         },\r
 343 \r
 344         serviceRun: function(service) {\r
 345                 if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': starting data collection...');\r
 346                 service.running = true;\r
 347                 service.started = new Date().getTime();\r
 348                 service.updates++;\r
 349 \r
 350                 service.module.update(service, function() {\r
 351                         service.ended = new Date().getTime();\r
 352                         service.duration = service.ended - service.started;\r
 353                         if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': data collection ended in ' + service.duration.toString() + ' ms.');\r
 354                         service.running = false;\r
 355                 });\r
 356         },\r
 357 \r
 358         runAllServices: function() {\r
 359                 if(netdata.options.DEBUG === true) netdata.debug('runAllServices()');\r
 360 \r
 361                 var now = new Date().getTime();\r
 362                 var len = netdata.services.length;\r
 363                 while(len--) {\r
 364                         var service = netdata.services[len];\r
 365 \r
 366                         if(service.enabled === false || service.running === true) continue;\r
 367                         if(now - service.ended < service.update_every) continue;\r
 368 \r
 369                         netdata.serviceRun(service);\r
 370                 }\r
 371 \r
 372                 setTimeout(netdata.runAllServices, 100);\r
 373         },\r
 374 \r
 375         start: function() {\r
 376                 if(netdata.options.DEBUG === true) this.debug('started, services:');\r
 377 \r
 378                 if(this.services.length === 0) {\r
 379                         this.disableNodePlugin();\r
 380                         process.exit(1);\r
 381                 }\r
 382                 else this.runAllServices();\r
 383         },\r
 384 \r
 385         // disable the whole node.js plugin\r
 386         disableNodePlugin: function() {\r
 387                 this.send('DISABLE');\r
 388                 process.exit(1);\r
 389         },\r
 390 \r
 391         requestFromParams: function(protocol, hostname, port, path, method) {\r
 392                 return {\r
 393                         protocol: protocol,\r
 394                         hostname: hostname,\r
 395                         port: port,\r
 396                         path: path,\r
 397                         //family: 4,\r
 398                         method: method,\r
 399                         headers: {\r
 400                                 'Content-Type': 'application/x-www-form-urlencoded',\r
 401                                 'Connection': 'keep-alive'\r
 402                         },\r
 403                         agent: new http.Agent({\r
 404                                 keepAlive: true,\r
 405                                 keepAliveMsecs: netdata.options.update_every,\r
 406                                 maxSockets: 2, // it must be 2 to work\r
 407                                 maxFreeSockets: 1\r
 408                         })\r
 409                 };\r
 410         },\r
 411 \r
 412         requestFromURL: function(a_url) {\r
 413                 var u = url.parse(a_url);\r
 414                 return netdata.requestFromParams(u.protocol, u.hostname, u.port, u.path, 'GET');\r
 415         },\r
 416 \r
 417         processResponse: function(service, data, callback) {\r
 418                 if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': processing response...');\r
 419 \r
 420                 callback(service, data);\r
 421 \r
 422                 service.module.running--;\r
 423                 if(service.module.running <= 0) {\r
 424                         service.module.running = 0;\r
 425 \r
 426                         // check if we run under configure\r
 427                         if(service.module.configure_callback !== null) {\r
 428                                 if(netdata.options.DEBUG === true) this.debug(service.module.name + ': configuration finish callback called from processResponse().');\r
 429                                 var ccallback = service.module.configure_callback;\r
 430                                 service.module.configure_callback = null;\r
 431                                 ccallback();\r
 432                         }\r
 433                 }\r
 434         },\r
 435 \r
 436         serviceError: function(service, message) {\r
 437                 if(service.error_reported === false) {\r
 438                         netdata.error(service.module.name + ': ' + service.name + ': ' + message);\r
 439                         service.error_reported = true;\r
 440                 }\r
 441                 else if(netdata.options.DEBUG === true)\r
 442                         netdata.debug(service.module.name + ': ' + service.name + ': ' + message);\r
 443         },\r
 444 \r
 445         serviceErrorClear: function(service) {\r
 446                 service.error_reported = false;\r
 447         },\r
 448 \r
 449         serviceInit: function(service) {\r
 450                 service.error_reported = false;\r
 451                 service.added = false;\r
 452                 service.enabled = true;\r
 453         },\r
 454 \r
 455         serviceIsInitialized: function(service) {\r
 456                 if(typeof service.error_reported === 'undefined')\r
 457                         return false;\r
 458 \r
 459                 return true;\r
 460         },\r
 461 \r
 462         getResponse: function(service, response, callback) {\r
 463                 if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': got response...');\r
 464 \r
 465                 var end = false;\r
 466                 var data = '';\r
 467                 response.setEncoding('utf8');\r
 468 \r
 469                 if(response.statusCode !== 200) {\r
 470                         if(end === false) {\r
 471                                 netdata.serviceError(service, ': got HTTP code ' + response.statusCode + ', failed to get data.');\r
 472                                 end = true;\r
 473                                 netdata.processResponse(service, null, callback);\r
 474                         }\r
 475                 }\r
 476 \r
 477                 response.on('data', function(chunk) {\r
 478                         if(end === false) data += chunk;\r
 479                 });\r
 480 \r
 481                 response.on('error', function() {\r
 482                         if(end === false) {\r
 483                                 netdata.serviceError(service, ': Read error, failed to get data.');\r
 484                                 end = true;\r
 485                                 netdata.processResponse(service, null, callback);\r
 486                         }\r
 487                 });\r
 488 \r
 489                 response.on('end', function() {\r
 490                         if(end === false) {\r
 491                                 netdata.serviceErrorClear(service);\r
 492                                 if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': read completed.');\r
 493                                 end = true;\r
 494                                 netdata.processResponse(service, data, callback);\r
 495                         }\r
 496                 });\r
 497         },\r
 498 \r
 499         serviceExecute: function(service, callback) {\r
 500                 if(netdata.serviceIsInitialized(service) === false)\r
 501                         netdata.serviceInit(service);\r
 502 \r
 503                 service.module.running++;\r
 504 \r
 505                 if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': making request: ' + netdata.stringify(service.request));\r
 506                 var req = http.request(service.request, function(response) {\r
 507                         if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': request done.');\r
 508                         netdata.getResponse(service, response, callback);\r
 509                 });\r
 510 \r
 511                 req.on('error', function(e) {\r
 512                         netdata.serviceError(service, ': failed to make request: ' + netdata.stringify(service.request) + ', message: ' + e.message);\r
 513                         netdata.processResponse(service, null, callback);\r
 514                 });\r
 515 \r
 516                 // write data to request body\r
 517                 if(typeof service.postData !== 'undefined' && service.request.method === 'POST') {\r
 518                         if(netdata.options.DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': posting data: ' + service.postData);\r
 519                         req.write(service.postData);\r
 520                 }\r
 521 \r
 522                 req.end();\r
 523         },\r
 524 \r
 525         configure: function(module, config, callback) {\r
 526                 if(netdata.options.DEBUG === true) this.debug(module.name + ': configuring (update_every: ' + this.options.update_every + ')...');\r
 527 \r
 528                 module.running = 0;\r
 529                 module.update_every = this.options.update_every;\r
 530 \r
 531                 if(typeof config.update_every !== 'undefined')\r
 532                         module.update_every = config.update_every * 1000;\r
 533 \r
 534                 module.enable_autodetect = (config.enable_autodetect)?true:false;\r
 535 \r
 536                 if(typeof(callback) === 'function')\r
 537                         module.configure_callback = callback;\r
 538                 else\r
 539                         module.configure_callback = null;\r
 540 \r
 541                 var added = module.configure(config);\r
 542 \r
 543                 if(netdata.options.DEBUG === true) this.debug(module.name + ': configured, reporting ' + added + ' eligible services.');\r
 544 \r
 545                 if(module.configure_callback !== null && added === 0) {\r
 546                         if(netdata.options.DEBUG === true) this.debug(module.name + ': configuration finish callback called from configure().');\r
 547                         module.configure_callback = null;\r
 548                         callback();\r
 549                 }\r
 550 \r
 551                 return added;\r
 552         }\r
 553 \r
 554 };\r
 555 \r
 556 if(netdata.options.DEBUG === true) netdata.debug('loaded netdata from: ' + __filename);\r
 557 module.exports = netdata;\r
 558 \r
 559 /*\r
 560 var test1 = netdata.chart('test1', { name: 'test name', dimensions: { dim1: {}}});\r
 561 netdata.begin(test1);\r
 562 netdata.set('dim1', 1);\r
 563 netdata.end();\r
 564 netdata.begin(test1);\r
 565 netdata.set('dim1', 2);\r
 566 netdata.end();\r
 567 netdata.begin(test1);\r
 568 netdata.set('dim1', 3);\r
 569 netdata.end();\r
 570 netdata.begin(test1);\r
 571 netdata.set('dim1', 4);\r
 572 netdata.end();\r
 573 */\r