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