spark.ko.js 18 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. var Result = function (snippet, result) {
  17. var self = this;
  18. self.id = ko.observable(typeof result.id != "undefined" && result.id != null ? result.id : UUID());
  19. self.type = ko.observable(typeof result.type != "undefined" && result.type != null ? result.type : 'table');
  20. self.hasResultset = ko.observable(typeof result.hasResultset != "undefined" && result.hasResultset != null ? result.hasResultset : true);
  21. self.handle = ko.observable({});
  22. self.meta = ko.observableArray(typeof result.meta != "undefined" && result.meta != null ? result.meta : []);
  23. self.meta.extend({ rateLimit: 50 });
  24. self.cleanedMeta = ko.computed(function(){
  25. return ko.utils.arrayFilter(self.meta(), function(item) {
  26. return item.name != ''
  27. });
  28. });
  29. self.data = ko.observableArray(typeof result.data != "undefined" && result.data != null ? result.data : []);
  30. self.data.extend({ rateLimit: 50 });
  31. self.logs = ko.observable('');
  32. self.errors = ko.observable('');
  33. self.hasSomeResults = ko.computed(function(){
  34. return self.hasResultset() && self.data().length > 0; // status() == 'available'
  35. });
  36. if (typeof result.handle != "undefined" && result.handle != null) {
  37. $.each(result.handle, function(key, val) {
  38. self.handle()[key] = val;
  39. });
  40. }
  41. self.clear = function() {
  42. $.each(self.handle, function(key, val) {
  43. delete self.handle()[key];
  44. });
  45. self.meta.removeAll();
  46. self.data.removeAll();
  47. self.logs('');
  48. self.errors('');
  49. };
  50. }
  51. var TYPE_EDITOR_MAP = {
  52. 'hive': 'text/x-hiveql',
  53. 'impala': 'text/x-impalaql',
  54. 'python': 'text/x-python',
  55. 'scala': 'text/x-scala',
  56. 'pig': 'text/x-pig'
  57. }
  58. var Snippet = function (notebook, snippet) {
  59. var self = this;
  60. self.id = ko.observable(typeof snippet.id != "undefined" && snippet.id != null ? snippet.id : UUID());
  61. self.name = ko.observable(typeof snippet.name != "undefined" && snippet.name != null ? snippet.name : '');
  62. self.type = ko.observable(typeof snippet.type != "undefined" && snippet.type != null ? snippet.type : "hive");
  63. self.editorMode = ko.observable(TYPE_EDITOR_MAP[self.type()]);
  64. self.statement_raw = ko.observable(typeof snippet.statement_raw != "undefined" && snippet.statement_raw != null ? snippet.statement_raw : '');
  65. self.statement_raw.extend({ rateLimit: 150 });
  66. self.status = ko.observable(typeof snippet.status != "undefined" && snippet.status != null ? snippet.status : 'loading');
  67. self.settings = ko.mapping.fromJS(typeof snippet.settings != "undefined" && snippet.settings != null ? snippet.settings : {});
  68. self.variables = ko.observableArray([]);
  69. self.variableNames = ko.computed(function () {
  70. var matches = [];
  71. var myRegexp = /(?:[^\\]\$)([^\d'" ]\w*)/g;
  72. var match = myRegexp.exec(self.statement_raw());
  73. while (match != null) {
  74. matches.push(match[1]);
  75. match = myRegexp.exec(self.statement());
  76. }
  77. return matches;
  78. });
  79. self.variableNames.extend({ rateLimit: 150 });
  80. self.variableNames.subscribe(function (newVal) {
  81. var toDelete = [];
  82. var toAdd = [];
  83. $.each(newVal, function (key, name) {
  84. var match = ko.utils.arrayFirst(self.variables(), function (_var) {
  85. return _var.name() == name;
  86. });
  87. if (!match) {
  88. toAdd.push(name);
  89. }
  90. });
  91. $.each(self.variables(), function (key, _var) {
  92. var match = ko.utils.arrayFirst(newVal, function (name) {
  93. return _var.name() == name;
  94. });
  95. if (!match) {
  96. toDelete.push(_var);
  97. }
  98. });
  99. $.each(toDelete, function (index, item) {
  100. self.variables.remove(item);
  101. });
  102. $.each(toAdd, function (index, item) {
  103. self.variables.push(ko.mapping.fromJS({'name': item, 'value': ''}));
  104. });
  105. self.variables.sort(function (left, right) {
  106. var leftIndex = newVal.indexOf(left.name());
  107. var rightIndex = newVal.indexOf(right.name());
  108. return leftIndex == rightIndex ? 0 : (leftIndex < rightIndex ? -1 : 1);
  109. });
  110. });
  111. self.statement = ko.computed(function () {
  112. var statement = self.statement_raw();
  113. $.each(self.variables(), function (index, variable) {
  114. statement = statement.replace(RegExp("([^\\\\])\\$" + variable.name(), "g"), "$1" + variable.value());
  115. });
  116. return statement;
  117. });
  118. self.result = new Result(snippet, snippet.result);
  119. self.showGrid = ko.observable(typeof snippet.showGrid != "undefined" && snippet.showGrid != null ? snippet.showGrid : true);
  120. self.showChart = ko.observable(typeof snippet.showChart != "undefined" && snippet.showChart != null ? snippet.showChart : false);
  121. self.showLogs = ko.observable(typeof snippet.showLogs != "undefined" && snippet.showLogs != null ? snippet.showLogs : false);
  122. self.progress = ko.observable(typeof snippet.progress != "undefined" && snippet.progress != null ? snippet.progress : 0);
  123. self.progress.subscribe(function (val){
  124. $(document).trigger("progress", {data: val, snippet: self});
  125. });
  126. self.showGrid.subscribe(function (val){
  127. if (val){
  128. self.showChart(false);
  129. }
  130. });
  131. self.showChart.subscribe(function (val){
  132. if (val){
  133. self.showGrid(false);
  134. self.isLeftPanelVisible(true);
  135. $(document).trigger("forceChartDraw", self);
  136. }
  137. });
  138. self.showLogs.subscribe(function (val){
  139. if (val){
  140. self.getLogs();
  141. }
  142. });
  143. self.size = ko.observable(typeof snippet.size != "undefined" && snippet.size != null ? snippet.size : 12).extend({ numeric: 0 });
  144. self.offset = ko.observable(typeof snippet.offset != "undefined" && snippet.offset != null ? snippet.offset : 0).extend({ numeric: 0 });
  145. self.isLoading = ko.computed(function(){
  146. return self.status() == "loading";
  147. });
  148. self.klass = ko.computed(function () {
  149. return "snippet card card-widget";
  150. });
  151. self.editorKlass = ko.computed(function(){
  152. return "editor span" + self.size() + (self.offset() * 1 > 0 ? " offset" + self.offset() : "");
  153. });
  154. self.resultsKlass = ko.computed(function(){
  155. return "results " + self.type();
  156. });
  157. self.chartType = ko.observable(typeof snippet.chartType != "undefined" && snippet.chartType != null ? snippet.chartType : ko.HUE_CHARTS.TYPES.BARCHART);
  158. self.chartSorting = ko.observable(typeof snippet.chartSorting != "undefined" && snippet.chartSorting != null ? snippet.chartSorting : "none");
  159. self.chartX = ko.observable(typeof snippet.chartX != "undefined" && snippet.chartX != null ? snippet.chartX : null);
  160. self.chartYSingle = ko.observable(typeof snippet.chartYSingle != "undefined" && snippet.chartYSingle != null ? snippet.chartYSingle : null);
  161. self.chartYMulti = ko.observableArray(typeof snippet.chartYMulti != "undefined" && snippet.chartYMulti != null ? snippet.chartYMulti : []);
  162. self.chartData = ko.observableArray(typeof snippet.chartData != "undefined" && snippet.chartData != null ? snippet.chartData : []);
  163. self.chartMapLabel = ko.observable(typeof snippet.chartMapLabel != "undefined" && snippet.chartMapLabel != null ? snippet.chartMapLabel : null);
  164. self.chartType.subscribe(function(val){
  165. $(document).trigger("forceChartDraw", self);
  166. });
  167. self.tempChartOptions = {};
  168. self.isLeftPanelVisible = ko.observable(typeof snippet.isLeftPanelVisible != "undefined" && snippet.isLeftPanelVisible != null ? snippet.isLeftPanelVisible : false);
  169. self.toggleLeftPanel = function () {
  170. self.isLeftPanelVisible(! self.isLeftPanelVisible());
  171. $(document).trigger("toggleLeftPanel", self);
  172. };
  173. self.expand = function () {
  174. self.size(self.size() + 1);
  175. $("#snippet_" + self.id()).trigger("resize");
  176. }
  177. self.compress = function () {
  178. self.size(self.size() - 1);
  179. $("#snippet_" + self.id()).trigger("resize");
  180. }
  181. self.moveLeft = function () {
  182. self.offset(self.offset() - 1);
  183. }
  184. self.moveRight = function () {
  185. self.offset(self.offset() + 1);
  186. }
  187. self.remove = function (notebook, snippet) {
  188. notebook.snippets.remove(snippet);
  189. }
  190. self.checkStatusTimeout = null;
  191. self._ajax_error = function(data) {
  192. if (data.status == -2) {
  193. self.create_session();
  194. }
  195. else if (data.status == -3) {
  196. self.status('expired');
  197. }
  198. else if (data.status == 1) {
  199. self.status('failed');
  200. self.result.errors(data.message);
  201. } else {
  202. $(document).trigger("error", data.message);
  203. self.status('failed');
  204. }
  205. };
  206. self.create_session = function() {
  207. $.post("/spark/api/create_session", {
  208. notebook: ko.mapping.toJSON(notebook),
  209. snippet: ko.mapping.toJSON(self)
  210. }, function (data) {
  211. if (data.status == 0) {
  212. notebook.addSession(ko.mapping.fromJS(data.session));
  213. self.status('ready');
  214. }
  215. else {
  216. $(document).trigger("error", data.message);
  217. }
  218. }).fail(function (xhr, textStatus, errorThrown) {
  219. $(document).trigger("error", xhr.responseText);
  220. });
  221. };
  222. self.execute = function () {
  223. $(document).trigger("executeStarted", self);
  224. $(".jHueNotify").hide();
  225. logGA('/execute/' + self.type());
  226. self.result.clear();
  227. self.progress(0);
  228. self.status('running');
  229. $.post("/spark/api/execute", {
  230. notebook: ko.mapping.toJSON(notebook),
  231. snippet: ko.mapping.toJSON(self)
  232. }, function (data) {
  233. if (data.status == 0) {
  234. $.each(data.handle, function (key, val) {
  235. self.result.handle()[key] = val;
  236. });
  237. self.result.hasResultset(data.handle.has_result_set);
  238. self.checkStatus();
  239. } else {
  240. self._ajax_error(data);
  241. }
  242. }).fail(function (xhr, textStatus, errorThrown) {
  243. $(document).trigger("error", xhr.responseText);
  244. self.status('failed');
  245. });
  246. };
  247. self.fetchResult = function(rows, startOver) {
  248. if (typeof startOver == "undefined") {
  249. startOver = true;
  250. }
  251. self.fetchResultData(rows, startOver);
  252. //self.fetchResultMetadata(rows);
  253. };
  254. self.fetchResultData = function(rows, startOver) {
  255. $.post("/spark/api/fetch_result_data", {
  256. notebook: ko.mapping.toJSON(notebook),
  257. snippet: ko.mapping.toJSON(self),
  258. rows: rows,
  259. startOver: startOver
  260. }, function (data) {
  261. if (data.status == 0) {
  262. rows -= data.result.data.length;
  263. if (self.result.meta().length == 0) {
  264. data.result.meta.unshift({type: "INT_TYPE", name: "", comment: null});
  265. self.result.meta(data.result.meta);
  266. }
  267. var _initialIndex = self.result.data().length;
  268. var _tempData = [];
  269. $.each(data.result.data, function (index, row) {
  270. row.unshift(_initialIndex + index);
  271. self.result.data.push(row);
  272. _tempData.push(row);
  273. });
  274. $(document).trigger("renderData", {data: _tempData, snippet: self, initial: _initialIndex == 0});
  275. if (data.result.has_more && rows > 0) {
  276. setTimeout(function () {
  277. self.fetchResultData(rows, false);
  278. }, 500);
  279. }
  280. } else {
  281. self._ajax_error(data);
  282. }
  283. }).fail(function (xhr, textStatus, errorThrown) {
  284. $(document).trigger("error", xhr.responseText);
  285. });
  286. };
  287. self.fetchResultMetadata = function () {
  288. $.post("/spark/api/fetch_result_metadata", {
  289. notebook: ko.mapping.toJSON(notebook),
  290. snippet: ko.mapping.toJSON(self),
  291. }, function (data) {
  292. if (data.status == 0) {
  293. self.result.meta(data.result.meta);
  294. } else {
  295. $(document).trigger("error", data.message);
  296. }
  297. }).fail(function (xhr, textStatus, errorThrown) {
  298. $(document).trigger("error", xhr.responseText);
  299. self.status('failed');
  300. });
  301. };
  302. self.checkStatus = function() {
  303. $.post("/spark/api/check_status", {
  304. notebook: ko.mapping.toJSON(notebook),
  305. snippet: ko.mapping.toJSON(self)
  306. }, function (data) {
  307. if (data.status == 0) {
  308. self.status(data.query_status.status);
  309. if (self.status() == 'running') {
  310. self.checkStatusTimeout = setTimeout(self.checkStatus, 1000);
  311. self.getLogs();
  312. }
  313. else if (self.status() == 'available') {
  314. self.fetchResult(100);
  315. self.progress(100);
  316. }
  317. } else {
  318. self._ajax_error(data);
  319. }
  320. }).fail(function (xhr, textStatus, errorThrown) {
  321. $(document).trigger("error", xhr.responseText);
  322. self.status('failed');
  323. });
  324. };
  325. self.cancel = function() {
  326. if (self.checkStatusTimeout != null) {
  327. clearTimeout(self.checkStatusTimeout);
  328. self.checkStatusTimeout = null;
  329. }
  330. $.post("/spark/api/cancel_statement", {
  331. notebook: ko.mapping.toJSON(notebook),
  332. snippet: ko.mapping.toJSON(self)
  333. }, function (data) {
  334. if (data.status == 0) {
  335. self.status('canceled');
  336. } else {
  337. self._ajax_error(data);
  338. }
  339. }).fail(function (xhr, textStatus, errorThrown) {
  340. $(document).trigger("error", xhr.responseText);
  341. self.status('failed');
  342. });
  343. };
  344. self.getLogs = function() {
  345. $.post("/spark/api/get_logs", {
  346. notebook: ko.mapping.toJSON(notebook),
  347. snippet: ko.mapping.toJSON(self)
  348. }, function (data) {
  349. if (data.status == 0) {
  350. self.result.logs(data.logs); // Way to append?
  351. self.progress(data.progress);
  352. } else {
  353. self._ajax_error(data);
  354. }
  355. }).fail(function (xhr, textStatus, errorThrown) {
  356. $(document).trigger("error", xhr.responseText);
  357. self.status('failed');
  358. });
  359. };
  360. self.init = function() {
  361. if (self.status() == 'running') {
  362. self.checkStatus();
  363. }
  364. if (self.status() != 'loading' && self.status() != 'ready') {
  365. self.getLogs();
  366. }
  367. };
  368. }
  369. var Notebook = function (vm, notebook) {
  370. var self = this;
  371. self.id = ko.observable(typeof notebook.id != "undefined" && notebook.id != null ? notebook.id : null);
  372. self.uuid = ko.observable(typeof notebook.uuid != "undefined" && notebook.uuid != null ? notebook.uuid : UUID());
  373. self.name = ko.observable(typeof notebook.name != "undefined" && notebook.name != null ? notebook.name : 'My Notebook');
  374. self.snippets = ko.observableArray();
  375. self.selectedSnippet = ko.observable("scala");
  376. self.sessions = ko.mapping.fromJS(typeof notebook.sessions != "undefined" && notebook.sessions != null ? notebook.sessions : []);
  377. self.getSession = function(session_type) {
  378. var _s = null;
  379. $.each(self.sessions(), function (index, s) {
  380. if (s.type() == session_type) {
  381. _s = s;
  382. return false;
  383. }
  384. });
  385. return _s;
  386. };
  387. self.addSession = function(session) {
  388. var toRemove = []
  389. $.each(self.sessions(), function (index, s) {
  390. if (s.type() == session.type()) {
  391. toRemove.push(s);
  392. }
  393. });
  394. $.each(toRemove, function (index, s) {
  395. self.sessions.remove(s);
  396. });
  397. self.sessions.push(session);
  398. };
  399. self.addSnippet = function(snippet) {
  400. var _snippet = new Snippet(self, snippet);
  401. self.snippets.push(_snippet);
  402. if (self.getSession(_snippet.type()) == null) {
  403. _snippet.create_session();
  404. }
  405. _snippet.init();
  406. };
  407. self.newSnippet = function() {
  408. var snippet = new Snippet(self, {type: self.selectedSnippet(), result: {}});
  409. self.snippets.push(snippet);
  410. if (self.getSession(self.selectedSnippet()) == null) {
  411. snippet.create_session();
  412. }
  413. };
  414. if (notebook.snippets) {
  415. $.each(notebook.snippets, function(index, snippet) {
  416. self.addSnippet(snippet);
  417. });
  418. }
  419. self.save = function () {
  420. $.post("/spark/api/notebook/save", {
  421. "notebook": ko.mapping.toJSON(self)
  422. }, function (data) {
  423. if (data.status == 0) {
  424. self.id(data.id);
  425. $(document).trigger("info", data.message);
  426. if (window.location.search.indexOf("notebook") == -1) {
  427. window.location.hash = '#notebook=' + data.id;
  428. }
  429. }
  430. else {
  431. $(document).trigger("error", data.message);
  432. }
  433. }).fail(function (xhr, textStatus, errorThrown) {
  434. $(document).trigger("error", xhr.responseText);
  435. });
  436. };
  437. }
  438. function EditorViewModel(notebooks, options) {
  439. var self = this;
  440. self.notebooks = ko.observableArray();
  441. self.selectedNotebook = ko.observable();
  442. self.isEditing = ko.observable(false);
  443. self.isEditing.subscribe(function(newVal){
  444. $(document).trigger("editingToggled");
  445. });
  446. self.toggleEditing = function () {
  447. self.isEditing(! self.isEditing());
  448. };
  449. self.isAssistVisible = ko.observable(options.assistVisible);
  450. self.toggleAssist = function () {
  451. self.isAssistVisible(! self.isAssistVisible());
  452. $(document).trigger("toggleAssist");
  453. };
  454. self.assistContent = ko.observable();
  455. self.availableSnippets = ko.mapping.fromJS(options.languages);
  456. self.init = function() {
  457. $.each(notebooks, function(index, notebook) {
  458. self.loadNotebook(notebook);
  459. if (self.selectedNotebook() == null){
  460. self.selectedNotebook(self.notebooks()[0]);
  461. }
  462. });
  463. };
  464. self.loadNotebook = function(notebook) {
  465. var _n = new Notebook(self, notebook);
  466. self.notebooks.push(_n);
  467. if (_n.snippets().length > 0){
  468. _n.selectedSnippet(_n.snippets()[_n.snippets().length - 1].type());
  469. }
  470. };
  471. self.newNotebook = function() {
  472. self.notebooks.push(new Notebook(self, {}));
  473. self.selectedNotebook(self.notebooks()[self.notebooks().length - 1]);
  474. };
  475. self.saveNotebook = function() {
  476. self.selectedNotebook().save();
  477. };
  478. }
  479. function logGA(page) {
  480. if (typeof trackOnGA == 'function') {
  481. trackOnGA('editor/' + page);
  482. }
  483. }