mesos-framework

<!doctype html> <html lang="en"> <head> <title>Code coverage report for mesos-framework/lib/schedulerHandlers.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">mesos-framework/lib</a> schedulerHandlers.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 98.83% Statements 254/257 </div> <div class='fl pad1y space-right2'> 93.05% Branches 174/187 </div> <div class='fl pad1y space-right2'> 86.36% Functions 19/22 </div> <div class='fl pad1y space-right2'> 98.83% Lines 254/257 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587</td><td class="line-coverage quiet">  1x   1x 1x 1x 1x 1x       12x 12x   12x 12x             12x 32x   32x 10x 10x 10x 10x 10x 13x   13x   9x   13x 13x 2x   13x   10x 8x   10x 22x 7x     7x 14x 7x       7x 7x 7x 7x 7x 7x   7x   4x   7x 7x   7x 2x   7x   7x 5x   7x   15x       12x 10x 10x 10x   12x     1x   14x       19x   19x     19x   19x 19x 19x                 19x   1x     1x   1x           19x 77x 57x 20x 19x   57x   57x   779x             19x   18x     18x 18x 16x     16x   16x           16x 16x   16x 15x   15x     16x 15x 15x 15x 15x   15x 12x 12x 12x 12x 12x       15x 15x 18x 18x 18x 18x   18x   18x   158x   158x     18x 7x     18x     15x   15x     15x 178x       15x                 15x     14x 14x 11x   3x 3x   3x 3x 3x       3x           14x 12x   12x 176x 176x                   16x     16x 13x 13x     16x 3x     13x   10x   3x       13x     13x     13x 2x 2x               2x       13x     13x 1x     13x     13x                           13x     13x 12x 12x 12x 12x             1x 1x 1x             13x     13x     13x     13x 2x     13x   13x     16x     2x           19x   13x   13x       13x     13x         19x   5x 5x   5x                       15x   15x       15x     15x 4x   4x 4x   4x 5x   4x   2x 2x   2x 1x   2x     2x 2x   2x 1x       2x   2x   2x   2x   2x 1x   1x   8x   8x       1x   1x   2x   2x   1x       11x   11x 11x   11x 11x 9x   9x 6x 6x   6x   2x 2x   2x 1x     4x   4x     4x 3x 3x 2x     3x 2x   3x 1x   3x   1x     4x             4x     4x 3x             11x   3x 1x 1x   2x 1x 1x               15x     15x       2x           1x           1x     1x      </td><td class="text"><pre class="prettyprint lang-js">"use strict"; var uuid = require('uuid');   var lib = require("requirefrom")("lib"); var Mesos = lib("mesos"); var Builder = lib("builder"); var helpers = lib("helpers"); var mesos = new Mesos().getMesos();   function searchPortsInRanges(task, offerResources, usableRanges, neededStaticPorts, neededPorts) {   var tempPortRanges = []; var usedPorts = [];   var begin = 0; var stop = false; var range; var newBegin; var newEnd; var i; var index; var port; while (neededStaticPorts > 0 && !stop && offerResources.portRanges && offerResources.portRanges.length > 0) { range = offerResources.portRanges.splice(0, 1)[0]; // Get first remaining range   if (range.begin <= task.resources.staticPorts[begin] && range.end >= task.resources.staticPorts[task.resources.staticPorts.length - 1]) { usableRanges.push(new mesos.Value.Range(range.begin, task.resources.staticPorts[task.resources.staticPorts.length - 1])); newBegin = range.begin; newEnd = range.end; i = begin; while (i < task.resources.staticPorts.length) { port = task.resources.staticPorts[i];   if (newBegin < port) { // Re-add range below port tempPortRanges.push(new mesos.Value.Range(newBegin, port - 1)); } newBegin = port + 1; if (newEnd === port) { newEnd -= 1; } i += 1; } if (newBegin <= newEnd) { tempPortRanges.push(new mesos.Value.Range(newBegin, newEnd)); } neededStaticPorts = 0; } else if (range.begin <= task.resources.staticPorts[begin] && range.end >= task.resources.staticPorts[begin]) { usableRanges.push(range); // Count the number of ports that are not served.   for (i = begin; i < task.resources.staticPorts.length; i++) { if (task.resources.staticPorts[i] > range.end) { break; } }   neededStaticPorts -= i - begin; newBegin = range.begin; newEnd = range.end; index = begin; while (index < i) { port = task.resources.staticPorts[index];   if (newBegin < port) { // Re-add range below port tempPortRanges.push(new mesos.Value.Range(newBegin, port - 1)); } Eif (newBegin <= port) { newBegin = port + 1; } if (newEnd === port) { newEnd -= 1; } index += 1; } if (newBegin <= newEnd) { tempPortRanges.push(new mesos.Value.Range(newBegin, newEnd)); } begin = i; } else { tempPortRanges.push(range); } }   if (neededStaticPorts === 0) { neededPorts -= task.resources.staticPorts.length; usedPorts = task.resources.staticPorts; offerResources.portRanges = offerResources.portRanges.concat(tempPortRanges); } return {usedPorts: usedPorts, neededPorts: neededPorts, neededStaticPorts: neededStaticPorts}; }   module.exports = { "SUBSCRIBED": function (subscribed) { this.logger.debug("SUBSCRIBED: " + JSON.stringify(subscribed)); }, "OFFERS": function (Offers) {   var self = this;   self.logger.debug("OFFERS: " + JSON.stringify(Offers));   // Iterate over all Offers Offers.offers.forEach(function (offer) {   var toLaunch = []; var declinedNoPending = false; var offerResources = { cpus: 0, mem: 0, disk: 0, ports: [], portRanges: [] };   // Decline Offer directly if there are no pending tasks if (self.pendingTasks.length === 0) {   self.logger.debug("DECLINE: Declining Offer " + offer.id.value);   // Decline offer self.decline([offer.id], null); // To prevent double decline declinedNoPending = true;   }   // Iterate over the Resources of the Offer and fill the offerResources object // (will be used to match against the requested task resources) offer.resources.forEach(function (resource) { if (resource.type === "SCALAR" && ["cpus", "mem", "disk"].indexOf(resource.name) > -1) { offerResources[resource.name] += resource.scalar.value; } else if (resource.type === "RANGES" && resource.name === "ports") { resource.ranges.range.forEach(function (range) { // Add to ranges offerResources.portRanges.push(range); // Populate port list for (var p = range.begin; p <= range.end; p++) { // Add port to port array offerResources.ports.push(p); } }); } });   // Now, iterate over all tasks that still need to be run self.pendingTasks.forEach(function (task) {   self.logger.debug("pendingTask: " + JSON.stringify(task));   // Match the task resources to the offer resources self.logger.debug("CPUs in offer:" + offerResources.cpus.toString() + " Memory in offer: " + offerResources.mem.toString() + " Port num in offer: " + offerResources.ports.length.toString()); if (task.resources.cpus <= offerResources.cpus && task.resources.mem <= offerResources.mem && task.resources.disk <= offerResources.disk && (task.resources.ports <= offerResources.ports.length || (self.options.staticPorts && task.resources.staticPorts && task.resources.staticPorts.length <= offerResources.ports.length))) { self.logger.debug("Offer " + offer.id.value + " has resources left");   // Environment variables var envVars = [];   var demandedResources = [ helpers.fixEnums(new Builder("mesos.Resource").setName("cpus").setType(mesos.Value.Type.SCALAR).setScalar(new mesos.Value.Scalar(task.resources.cpus))), helpers.fixEnums(new Builder("mesos.Resource").setName("mem").setType(mesos.Value.Type.SCALAR).setScalar(new mesos.Value.Scalar(task.resources.mem))) ];   // Reduce available offer cpu and mem resources by requested task resources offerResources.cpus -= task.resources.cpus; offerResources.mem -= task.resources.mem;   if (task.resources.disk > 0) { demandedResources.push(helpers.fixEnums(new Builder("mesos.Resource").setName("disk").setType(mesos.Value.Type.SCALAR).setScalar(new mesos.Value.Scalar(task.resources.disk)))); // Reduce disk resources by requested task resources offerResources.disk -= task.resources.disk; }   if (task.resources.ports > 0) { var neededPorts = task.resources.ports; var usableRanges = []; var usedPorts = []; var neededStaticPorts = task.resources.staticPorts ? task.resources.staticPorts.length : 0;   if (self.options.staticPorts && task.resources.staticPorts && task.resources.staticPorts.length > 0) { // Using fixed ports defined in the framework configuration usedPorts = task.resources.staticPorts; var __ret = searchPortsInRanges.call(self, task, offerResources, usableRanges, neededStaticPorts, neededPorts); usedPorts = __ret.usedPorts; neededPorts = __ret.neededPorts; neededStaticPorts = __ret.neededStaticPorts; } // Using dynamic ports (in addition or instead of fixed ports)   self.logger.debug("portRanges: " + JSON.stringify(offerResources.portRanges)); while (neededPorts > 0 && offerResources.portRanges && offerResources.portRanges.length > 0) { var range = offerResources.portRanges.splice(0, 1)[0]; // Get first remaining range self.logger.debug("actualRange: " + JSON.stringify(range)); var availablePorts = (range.end - range.begin + 1); var willUsePorts = (availablePorts >= neededPorts ? neededPorts : availablePorts); // Add to usable ranges usableRanges.push(new mesos.Value.Range(range.begin, range.begin + willUsePorts - 1)); // Add to used ports array for (var port = range.begin; port <= (range.begin + willUsePorts - 1); port++) { // Add to used ports usedPorts.push(port); // Remove from ports array / reduce available ports by requested task resources offerResources.ports.splice(offerResources.ports.indexOf(port), 1); } // Push range back portRanges if there are ports left if (availablePorts > willUsePorts) { offerResources.portRanges.push(new mesos.Value.Range(range.begin + willUsePorts, range.end)) } // Decrease needed ports number by used ports neededPorts -= willUsePorts; }   self.logger.debug("usableRanges: " + JSON.stringify(usableRanges));   var usedPortRanges = []; var index;   for (index = 0; index < usedPorts.length; index += 1) { usedPortRanges.push(new mesos.Value.Range(usedPorts[index], usedPorts[index])); }   // Add to demanded resources demandedResources.push( helpers.fixEnums( new Builder("mesos.Resource").setName("ports") .setType(mesos.Value.Type.RANGES) .setRanges(new Builder("mesos.Value.Ranges").setRange(usedPortRanges)) ) );   // Check if task is a container task, and if so, it the networking mode is BRIDGE and there are port mappings defined if (task.containerInfo) {   // Add the port mappings if needed Eif (task.containerInfo.docker.network === mesos.ContainerInfo.DockerInfo.Network.BRIDGE && task.portMappings && task.portMappings.length > 0) { if (usedPorts.length !== task.portMappings.length) { self.logger.debug("No match between task's port mapping count and the used/requested port count!"); } else { var portMappings = [], counter = 0; // Iterate over given port mappings, and create mapping task.portMappings.forEach(function (portMapping) { portMappings.push(new mesos.ContainerInfo.DockerInfo.PortMapping(usedPorts[counter], portMapping.port, portMapping.protocol)); counter++; });   // Overwrite port mappings task.containerInfo.docker.port_mappings = portMappings; }   }   // Add the PORTn environment variables if (usedPorts.length > 0) { var portIndex = 0; // Create environment variables for the used ports (schema is "PORT" appended by port index) usedPorts.forEach(function (port) { envVars.push(new Builder("mesos.Environment.Variable").setName("PORT" + portIndex).setValue(port.toString())); portIndex++; });   }   } }     // Add HOST envVars.push(new Builder("mesos.Environment.Variable").setName("HOST").setValue(offer.url.address.ip));   // Add env var for serial task number if (self.options.serialNumberedTasks) { var taskNameArray = task.name.split("-"); envVars.push(new Builder("mesos.Environment.Variable").setName("TASK_" + taskNameArray[0].toUpperCase() + "_SERIAL_NUMBER").setValue(taskNameArray[1])); }   if (neededPorts > 0 || neededStaticPorts > 0) { self.logger.error("Couldn't find enough ports!"); } else { //Check if there are already environment variables set if (task.commandInfo.environment && task.commandInfo.environment.variables && task.commandInfo.environment.variables.length > 0) { // Merge the arrays task.commandInfo.environment.variables = task.commandInfo.environment.variables.concat(envVars); } else { // Just set them task.commandInfo.environment = new mesos.Environment(envVars); }   // Get unique taskId var taskId = self.options.frameworkName + "." + task.name.replace(/\//, "_") + "." + uuid.v4();   // Set taskId task.taskId = taskId;   // HTTP health checks if (task.healthCheck && task.healthCheck.http) { var healthCheckPort = task.healthCheck.http.port ? task.healthCheck.http.port : usedPorts[0]; // TODO: Check how to make this more reliable task.mesosHealthCheck = new Builder("mesos.HealthCheck") .setType(mesos.HealthCheck.Type.HTTP) .setHttp(new Builder("mesos.HealthCheck.HTTPCheckInfo") .setScheme(task.healthCheck.http.scheme || "http") .setPort(healthCheckPort) .setPath(task.healthCheck.http.path || "/") .setStatuses(task.healthCheck.http.statuses || [200]) ); self.logger.debug("Http healthCheck" + JSON.stringify(task.mesosHealthCheck)); }   // task.mesosName = task.name.replace(/\//, "_");   // Remove serial number from mesos task name if not activated (added by default) if (!self.options.serialNumberedTasks) { task.mesosName = task.mesosName.replace(/-[0-9]+$/, ""); }   self.logger.debug("Mesos task name: " + task.mesosName + " is using serialNumberedTasks: " + self.options.serialNumberedTasks.toString());   // Push TaskInfo to toLaunch toLaunch.push( new Builder("mesos.TaskInfo") .setName(task.mesosName)