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