workflow.models.js 12 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. // Since knockout maps arrays without calling "update" nor "create"
  17. // Provide a JSON string that will be parsed in custom 'create' and 'update' functions.
  18. // These serialized values are also stored in the backend.
  19. var MODEL_FIELDS_JSON = ['parameters', 'job_properties', 'files', 'archives', 'prepares', 'params',
  20. 'deletes', 'mkdirs', 'moves', 'chmods', 'touchzs'];
  21. function normalize_model_fields(node_model) {
  22. $.each(MODEL_FIELDS_JSON, function(index, field) {
  23. if (field in node_model && $.isArray(node_model[field])) {
  24. node_model[field] = JSON.stringify(node_model[field]);
  25. }
  26. });
  27. return node_model;
  28. }
  29. // Parse JSON if it is JSON and appropriately map.
  30. // Apply subscriber to each mapping.
  31. var map_params = function(options, subscribe) {
  32. options.data = ($.type(options.data) == "string") ? $.parseJSON(options.data) : options.data;
  33. if ($.isArray(options.data)) {
  34. var mapping = ko.mapping.fromJS(options.data);
  35. $.each(mapping(), function(index, value) {
  36. subscribe(value);
  37. });
  38. return mapping;
  39. } else {
  40. var mapping = ko.mapping.fromJS(options.data, {});
  41. subscribe(mapping);
  42. return mapping;
  43. }
  44. };
  45. // Maps JSON strings to fields in the view model.
  46. var MAPPING_OPTIONS = {
  47. ignore: ['initialize', 'toString', 'copy'],
  48. job_properties: {
  49. create: function(options) {
  50. var parent = options.parent;
  51. var subscribe = function(mapping) {
  52. mapping.name.subscribe(function(value) {
  53. parent.job_properties.valueHasMutated();
  54. });
  55. mapping.value.subscribe(function(value) {
  56. parent.job_properties.valueHasMutated();
  57. });
  58. };
  59. return map_params(options, subscribe);
  60. },
  61. update: function(options) {
  62. var parent = options.parent;
  63. var subscribe = function(mapping) {
  64. mapping.name.subscribe(function(value) {
  65. parent.job_properties.valueHasMutated();
  66. });
  67. mapping.value.subscribe(function(value) {
  68. parent.job_properties.valueHasMutated();
  69. });
  70. };
  71. return map_params(options, subscribe);
  72. }
  73. },
  74. files: {
  75. create: function(options) {
  76. return map_params(options, function() {});
  77. },
  78. update: function(options) {
  79. return map_params(options, function() {});
  80. }
  81. },
  82. archives: {
  83. create: function(options) {
  84. var parent = options.parent;
  85. var subscribe = function(mapping) {
  86. mapping.name.subscribe(function(value) {
  87. parent.archives.valueHasMutated();
  88. });
  89. mapping.dummy.subscribe(function(value) {
  90. parent.archives.valueHasMutated();
  91. });
  92. };
  93. return map_params(options, subscribe);
  94. },
  95. update: function(options) {
  96. var parent = options.parent;
  97. var subscribe = function(mapping) {
  98. mapping.name.subscribe(function(value) {
  99. parent.archives.valueHasMutated();
  100. });
  101. mapping.dummy.subscribe(function(value) {
  102. parent.archives.valueHasMutated();
  103. });
  104. };
  105. return map_params(options, subscribe);
  106. }
  107. },
  108. params: {
  109. create: function(options) {
  110. var parent = options.parent;
  111. var subscribe = function(mapping) {
  112. mapping.value.subscribe(function(value) {
  113. parent.params.valueHasMutated();
  114. });
  115. mapping.type.subscribe(function(value) {
  116. parent.params.valueHasMutated();
  117. });
  118. };
  119. return map_params(options, subscribe);
  120. },
  121. update: function(options) {
  122. var parent = options.parent;
  123. var subscribe = function(mapping) {
  124. mapping.value.subscribe(function(value) {
  125. parent.params.valueHasMutated();
  126. });
  127. mapping.type.subscribe(function(value) {
  128. parent.params.valueHasMutated();
  129. });
  130. };
  131. return map_params(options, subscribe);
  132. }
  133. },
  134. prepares: {
  135. create: function(options) {
  136. var parent = options.parent;
  137. var subscribe = function(mapping) {
  138. mapping.value.subscribe(function(value) {
  139. parent.prepares.valueHasMutated();
  140. });
  141. mapping.type.subscribe(function(value) {
  142. parent.prepares.valueHasMutated();
  143. });
  144. };
  145. return map_params(options, subscribe);
  146. },
  147. update: function(options) {
  148. var parent = options.parent;
  149. var subscribe = function(mapping) {
  150. mapping.value.subscribe(function(value) {
  151. parent.prepares.valueHasMutated();
  152. });
  153. mapping.type.subscribe(function(value) {
  154. parent.prepares.valueHasMutated();
  155. });
  156. };
  157. return map_params(options, subscribe);
  158. }
  159. },
  160. deletes: {
  161. create: function(options) {
  162. return map_params(options, function() {});
  163. }
  164. },
  165. mkdirs: {
  166. create: function(options) {
  167. return map_params(options, function() {});
  168. }
  169. },
  170. moves: {
  171. create: function(options) {
  172. var parent = options.parent;
  173. var subscribe = function(mapping) {
  174. mapping.source.subscribe(function(value) {
  175. parent.moves.valueHasMutated();
  176. });
  177. mapping.destination.subscribe(function(value) {
  178. parent.moves.valueHasMutated();
  179. });
  180. };
  181. return map_params(options, subscribe);
  182. }
  183. },
  184. chmods: {
  185. create: function(options) {
  186. var parent = options.parent;
  187. var subscribe = function(mapping) {
  188. mapping.path.subscribe(function(value) {
  189. parent.chmods.valueHasMutated();
  190. });
  191. mapping.permissions.subscribe(function(value) {
  192. parent.chmods.valueHasMutated();
  193. });
  194. mapping.recursive.subscribe(function(value) {
  195. parent.chmods.valueHasMutated();
  196. });
  197. };
  198. return map_params(options, subscribe);
  199. }
  200. },
  201. touchzs: {
  202. create: function(options) {
  203. return map_params(options, function() {});
  204. }
  205. }
  206. };
  207. var ModelModule = function($) {
  208. var module = function(attrs) {
  209. var self = this;
  210. $.extend(self, attrs);
  211. module.prototype.initialize.apply(self, arguments);
  212. return self;
  213. };
  214. $.extend(module.prototype, {
  215. // Normal stuff
  216. initialize: function(){},
  217. toString: function() {
  218. var self = this;
  219. return JSON.stringify(self, null, '\t');
  220. },
  221. copy: function() {
  222. var self = this;
  223. var model = $.extend(true, {}, self);
  224. $.each(MODEL_FIELDS_JSON, function(i, field) {
  225. if (field in model && $.type(model[field]) != "string") {
  226. model[field] = JSON.stringify(model[field]);
  227. }
  228. });
  229. return model;
  230. }
  231. });
  232. return module;
  233. };
  234. var WorkflowModel = ModelModule($);
  235. $.extend(WorkflowModel.prototype, {
  236. id: 0,
  237. name: '',
  238. description: '',
  239. start: 0,
  240. end: 0,
  241. schema_version: 0.4,
  242. deployment_dir: '',
  243. is_shared: true,
  244. parameters: '[]',
  245. job_xml: ''
  246. });
  247. var NodeModel = ModelModule($);
  248. $.extend(NodeModel.prototype, {
  249. id: 0,
  250. name: '',
  251. description: '',
  252. node_type: '',
  253. workflow: 0,
  254. child_links: []
  255. });
  256. var ForkModel = ModelModule($);
  257. $.extend(ForkModel.prototype, {
  258. id: 0,
  259. name: '',
  260. description: '',
  261. node_type: 'fork',
  262. workflow: 0,
  263. child_links: []
  264. });
  265. var DecisionModel = ModelModule($);
  266. $.extend(DecisionModel.prototype, {
  267. id: 0,
  268. name: '',
  269. description: '',
  270. node_type: 'decision',
  271. workflow: 0,
  272. child_links: []
  273. });
  274. var DistCPModel = ModelModule($);
  275. $.extend(DistCPModel.prototype, {
  276. id: 0,
  277. name: '',
  278. description: '',
  279. node_type: 'distcp',
  280. workflow: 0,
  281. job_properties: '[]',
  282. prepares: '[]',
  283. job_xml: '',
  284. params: '[]',
  285. child_links: []
  286. });
  287. var MapReduceModel = ModelModule($);
  288. $.extend(MapReduceModel.prototype, {
  289. id: 0,
  290. name: '',
  291. description: '',
  292. node_type: 'mapreduce',
  293. workflow: 0,
  294. files: '[]',
  295. archives: '[]',
  296. job_properties: '[]',
  297. jar_path: '',
  298. prepares: '[]',
  299. job_xml: '',
  300. child_links: []
  301. });
  302. var StreamingModel = ModelModule($);
  303. $.extend(StreamingModel.prototype, {
  304. id: 0,
  305. name: '',
  306. description: '',
  307. node_type: 'streaming',
  308. workflow: 0,
  309. files: '[]',
  310. archives: '[]',
  311. job_properties: '[]',
  312. mapper: '',
  313. reducer: '',
  314. child_links: []
  315. });
  316. var JavaModel = ModelModule($);
  317. $.extend(JavaModel.prototype, {
  318. id: 0,
  319. name: '',
  320. description: '',
  321. node_type: 'java',
  322. workflow: 0,
  323. files: '[]',
  324. archives: '[]',
  325. job_properties: '[]',
  326. jar_path: '',
  327. prepares: '[]',
  328. job_xml: '',
  329. main_class: '',
  330. args: '',
  331. java_opts: '',
  332. capture_output: false,
  333. child_links: []
  334. });
  335. var PigModel = ModelModule($);
  336. $.extend(PigModel.prototype, {
  337. id: 0,
  338. name: '',
  339. description: '',
  340. node_type: 'pig',
  341. workflow: 0,
  342. files: '[]',
  343. archives: '[]',
  344. job_properties: '[]',
  345. prepares: '[]',
  346. job_xml: '',
  347. params: '[]',
  348. script_path: '',
  349. child_links: []
  350. });
  351. var HiveModel = ModelModule($);
  352. $.extend(HiveModel.prototype, {
  353. id: 0,
  354. name: '',
  355. description: '',
  356. node_type: 'hive',
  357. workflow: 0,
  358. files: '[]',
  359. archives: '[]',
  360. job_properties: '[]',
  361. prepares: '[]',
  362. job_xml: '',
  363. params: '[]',
  364. script_path: '',
  365. child_links: []
  366. });
  367. var SqoopModel = ModelModule($);
  368. $.extend(SqoopModel.prototype, {
  369. id: 0,
  370. name: '',
  371. description: '',
  372. node_type: 'sqoop',
  373. workflow: 0,
  374. files: '[]',
  375. archives: '[]',
  376. job_properties: '[]',
  377. prepares: '[]',
  378. job_xml: '',
  379. params: '[]',
  380. script_path: '',
  381. child_links: []
  382. });
  383. var ShellModel = ModelModule($);
  384. $.extend(ShellModel.prototype, {
  385. id: 0,
  386. name: '',
  387. description: '',
  388. node_type: 'shell',
  389. workflow: 0,
  390. files: '[]',
  391. archives: '[]',
  392. job_properties: '[]',
  393. prepares: '[]',
  394. job_xml: '',
  395. params: '[]',
  396. command: '',
  397. capture_output: false,
  398. child_links: []
  399. });
  400. var SshModel = ModelModule($);
  401. $.extend(SshModel.prototype, {
  402. id: 0,
  403. name: '',
  404. description: '',
  405. node_type: 'ssh',
  406. workflow: 0,
  407. user: '',
  408. host: '',
  409. params: '[]',
  410. command: '',
  411. capture_output: false,
  412. child_links: []
  413. });
  414. var FsModel = ModelModule($);
  415. $.extend(FsModel.prototype, {
  416. id: 0,
  417. name: '',
  418. description: '',
  419. node_type: 'fs',
  420. workflow: 0,
  421. deletes: '[]',
  422. mkdirs: '[]',
  423. moves: '[]',
  424. chmods: '[]',
  425. touchzs: '[]',
  426. child_links: []
  427. });
  428. var EmailModel = ModelModule($);
  429. $.extend(EmailModel.prototype, {
  430. id: 0,
  431. name: '',
  432. description: '',
  433. node_type: 'email',
  434. workflow: 0,
  435. to: '',
  436. cc: '',
  437. subject: '',
  438. body: '',
  439. child_links: []
  440. });
  441. var SubWorkflowModel = ModelModule($);
  442. $.extend(SubWorkflowModel.prototype, {
  443. id: 0,
  444. name: '',
  445. description: '',
  446. node_type: 'subworkflow',
  447. workflow: 0,
  448. sub_workflow: 0,
  449. propagate_configuration: true,
  450. job_properties: '[]',
  451. child_links: []
  452. });
  453. var GenericModel = ModelModule($);
  454. $.extend(GenericModel.prototype, {
  455. id: 0,
  456. name: '',
  457. description: '',
  458. node_type: 'generic',
  459. workflow: 0,
  460. xml: '',
  461. child_links: []
  462. });
  463. function nodeModelChooser(node_type) {
  464. switch(node_type) {
  465. case 'mapreduce':
  466. return MapReduceModel;
  467. case 'streaming':
  468. return StreamingModel;
  469. case 'java':
  470. return JavaModel;
  471. case 'pig':
  472. return PigModel;
  473. case 'hive':
  474. return HiveModel;
  475. case 'sqoop':
  476. return SqoopModel;
  477. case 'shell':
  478. return ShellModel;
  479. case 'ssh':
  480. return SshModel;
  481. case 'distcp':
  482. return DistCPModel;
  483. case 'fs':
  484. return FsModel;
  485. case 'email':
  486. return EmailModel;
  487. case 'subworkflow':
  488. return SubWorkflowModel;
  489. case 'generic':
  490. return GenericModel;
  491. case 'fork':
  492. return ForkModel;
  493. case 'decision':
  494. return DecisionModel;
  495. default:
  496. return NodeModel;
  497. }
  498. }