spark.vm.js 16 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.variables = ko.observableArray([]);
  63. self.variableNames = ko.computed(function() {
  64. var matches = [];
  65. var myRegexp = /(?:[^\\]\$)([^\d'" ]\w*)/g;
  66. var match = myRegexp.exec(self.statement_raw());
  67. while (match != null) {
  68. matches.push(match[1]);
  69. match = myRegexp.exec(self.statement());
  70. }
  71. return matches;
  72. });
  73. self.variableNames.subscribe(function(newVal){
  74. var toDelete = [];
  75. var toAdd = [];
  76. $.each(newVal, function(key, name) {
  77. var match = ko.utils.arrayFirst(self.variables(), function(_var) {
  78. return _var.name() == name;
  79. });
  80. if (! match) {
  81. toAdd.push(name);
  82. }
  83. });
  84. $.each(self.variables(), function(key, _var) {
  85. var match = ko.utils.arrayFirst(newVal, function(name) {
  86. return _var.name() == name;
  87. });
  88. if (! match) {
  89. toDelete.push(_var);
  90. }
  91. });
  92. $.each(toDelete, function(index, item) {
  93. self.variables.remove(item);
  94. });
  95. $.each(toAdd, function(index, item) {
  96. self.variables.push(ko.mapping.fromJS({'name': item, 'value': ''}));
  97. });
  98. self.variables.sort(function(left, right) {
  99. var leftIndex = newVal.indexOf(left.name());
  100. var rightIndex = newVal.indexOf(right.name());
  101. return leftIndex == rightIndex ? 0 : (leftIndex < rightIndex ? -1 : 1);
  102. });
  103. });
  104. self.statement = ko.computed(function() {
  105. var statement = self.statement_raw();
  106. $.each(self.variables(), function(index, variable) {
  107. statement = statement.replace(RegExp("([^\\\\])\\$" + variable.name(), "g"), "$1" + variable.value());
  108. });
  109. return statement;
  110. });
  111. self.result = new Result(snippet, snippet.result);
  112. self.showGrid = ko.observable(typeof snippet.showGrid != "undefined" && snippet.showGrid != null ? snippet.showGrid : true);
  113. self.showChart = ko.observable(typeof snippet.showChart != "undefined" && snippet.showChart != null ? snippet.showChart : false);
  114. self.showLogs = ko.observable(typeof snippet.showLogs != "undefined" && snippet.showLogs != null ? snippet.showLogs : false);
  115. self.progress = ko.observable(typeof snippet.progress != "undefined" && snippet.progress != null ? snippet.progress : 0);
  116. self.progress.subscribe(function (val){
  117. $(document).trigger("progress", {data: val, snippet: self});
  118. });
  119. self.showGrid.subscribe(function (val){
  120. if (val){
  121. self.showChart(false);
  122. }
  123. });
  124. self.showChart.subscribe(function (val){
  125. if (val){
  126. self.showGrid(false);
  127. }
  128. });
  129. self.showLogs.subscribe(function (val){
  130. if (val){
  131. self.getLogs();
  132. }
  133. });
  134. self.size = ko.observable(typeof snippet.size != "undefined" && snippet.size != null ? snippet.size : 12).extend({ numeric: 0 });
  135. self.offset = ko.observable(typeof snippet.offset != "undefined" && snippet.offset != null ? snippet.offset : 0).extend({ numeric: 0 });
  136. self.isLoading = ko.computed(function(){
  137. return self.status() == "loading";
  138. });
  139. self.klass = ko.computed(function () {
  140. return "snippet card card-widget";
  141. });
  142. self.editorKlass = ko.computed(function(){
  143. return "editor span" + self.size() + (self.offset() * 1 > 0 ? " offset" + self.offset() : "");
  144. });
  145. self.resultsKlass = ko.computed(function(){
  146. return "results " + self.type();
  147. });
  148. self.chartType = ko.observable(typeof snippet.chartType != "undefined" && snippet.chartType != null ? snippet.chartType : '');
  149. self.chartSorting = ko.observable(typeof snippet.chartSorting != "undefined" && snippet.chartSorting != null ? snippet.chartSorting : "none");
  150. self.chartX = ko.observable(typeof snippet.chartX != "undefined" && snippet.chartX != null ? snippet.chartX : null);
  151. self.chartYSingle = ko.observable(typeof snippet.chartYSingle != "undefined" && snippet.chartYSingle != null ? snippet.chartYSingle : null);
  152. self.chartYMulti = ko.observableArray(typeof snippet.chartYMulti != "undefined" && snippet.chartYMulti != null ? snippet.chartYMulti : []);
  153. self.chartData = ko.observableArray(typeof snippet.chartData != "undefined" && snippet.chartData != null ? snippet.chartData : []);
  154. self.chartType.subscribe(function(){
  155. $(document).trigger("forceChartDraw", self);
  156. });
  157. self.expand = function () {
  158. self.size(self.size() + 1);
  159. $("#snippet_" + self.id()).trigger("resize");
  160. }
  161. self.compress = function () {
  162. self.size(self.size() - 1);
  163. $("#snippet_" + self.id()).trigger("resize");
  164. }
  165. self.moveLeft = function () {
  166. self.offset(self.offset() - 1);
  167. }
  168. self.moveRight = function () {
  169. self.offset(self.offset() + 1);
  170. }
  171. self.remove = function (notebook, snippet) {
  172. notebook.snippets.remove(snippet);
  173. }
  174. self.checkStatusTimeout = null;
  175. self._ajax_error = function(data) {
  176. if (data.status == -2) {
  177. self.create_session();
  178. }
  179. else if (data.status == -3) {
  180. self.status('expired');
  181. }
  182. else if (data.status == 1) {
  183. self.status('failed');
  184. self.result.errors(data.message);
  185. } else {
  186. $(document).trigger("error", data.message);
  187. self.status('failed');
  188. }
  189. };
  190. self.create_session = function() {
  191. $.post("/spark/api/create_session", {
  192. notebook: ko.mapping.toJSON(notebook),
  193. snippet: ko.mapping.toJSON(self)
  194. }, function (data) {
  195. if (data.status == 0) {
  196. notebook.addSession(ko.mapping.fromJS(data.session));
  197. self.status('ready');
  198. }
  199. else {
  200. $(document).trigger("error", data.message);
  201. }
  202. }).fail(function (xhr, textStatus, errorThrown) {
  203. $(document).trigger("error", xhr.responseText);
  204. });
  205. };
  206. self.execute = function() {
  207. $(document).trigger("executeStarted", self);
  208. $(".jHueNotify").hide();
  209. logGA('/execute/' + self.type());
  210. self.result.clear();
  211. self.progress(0);
  212. self.status('running');
  213. $.post("/spark/api/execute", {
  214. notebook: ko.mapping.toJSON(notebook),
  215. snippet: ko.mapping.toJSON(self)
  216. }, function (data) {
  217. if (data.status == 0) {
  218. $.each(data.handle, function(key, val) {
  219. self.result.handle()[key] = val;
  220. });
  221. self.checkStatus();
  222. } else {
  223. self._ajax_error(data);
  224. }
  225. }).fail(function (xhr, textStatus, errorThrown) {
  226. $(document).trigger("error", xhr.responseText);
  227. self.status('failed');
  228. });
  229. };
  230. self.fetchResult = function(rows, startOver) {
  231. if (typeof startOver == "undefined") {
  232. startOver = true;
  233. }
  234. self.fetchResultData(rows, startOver);
  235. //self.fetchResultMetadata(rows);
  236. };
  237. self.fetchResultData = function(rows, startOver) {
  238. $.post("/spark/api/fetch_result_data", {
  239. notebook: ko.mapping.toJSON(notebook),
  240. snippet: ko.mapping.toJSON(self),
  241. rows: rows,
  242. startOver: startOver
  243. }, function (data) {
  244. if (data.status == 0) {
  245. rows -= data.result.data.length;
  246. if (self.result.meta().length == 0) {
  247. data.result.meta.unshift({type: "INT_TYPE", name: "", comment: null});
  248. self.result.meta(data.result.meta);
  249. }
  250. var _initialIndex = self.result.data().length;
  251. var _tempData = [];
  252. $.each(data.result.data, function (index, row) {
  253. row.unshift(_initialIndex + index);
  254. self.result.data.push(row);
  255. _tempData.push(row);
  256. });
  257. $(document).trigger("renderData", {data: _tempData, snippet: self, initial: _initialIndex == 0});
  258. if (data.result.has_more && rows > 0) {
  259. setTimeout(function () {
  260. self.fetchResultData(rows, false);
  261. }, 500);
  262. }
  263. } else {
  264. self._ajax_error(data);
  265. }
  266. }).fail(function (xhr, textStatus, errorThrown) {
  267. $(document).trigger("error", xhr.responseText);
  268. });
  269. };
  270. self.fetchResultMetadata = function () {
  271. $.post("/spark/api/fetch_result_metadata", {
  272. notebook: ko.mapping.toJSON(notebook),
  273. snippet: ko.mapping.toJSON(self),
  274. }, function (data) {
  275. if (data.status == 0) {
  276. self.result.meta(data.result.meta);
  277. } else {
  278. $(document).trigger("error", data.message);
  279. }
  280. }).fail(function (xhr, textStatus, errorThrown) {
  281. $(document).trigger("error", xhr.responseText);
  282. self.status('failed');
  283. });
  284. };
  285. self.checkStatus = function() {
  286. $.post("/spark/api/check_status", {
  287. notebook: ko.mapping.toJSON(notebook),
  288. snippet: ko.mapping.toJSON(self)
  289. }, function (data) {
  290. if (data.status == 0) {
  291. self.status(data.query_status.status);
  292. if (self.status() == 'running') {
  293. self.checkStatusTimeout = setTimeout(self.checkStatus, 1000);
  294. self.getLogs();
  295. }
  296. else if (self.status() == 'available') {
  297. self.fetchResult(100);
  298. self.progress(100);
  299. }
  300. } else {
  301. self._ajax_error(data);
  302. }
  303. }).fail(function (xhr, textStatus, errorThrown) {
  304. $(document).trigger("error", xhr.responseText);
  305. self.status('failed');
  306. });
  307. };
  308. self.cancel = function() {
  309. if (self.checkStatusTimeout != null) {
  310. clearTimeout(self.checkStatusTimeout);
  311. self.checkStatusTimeout = null;
  312. }
  313. $.post("/spark/api/cancel_statement", {
  314. notebook: ko.mapping.toJSON(notebook),
  315. snippet: ko.mapping.toJSON(self)
  316. }, function (data) {
  317. if (data.status == 0) {
  318. self.status('canceled');
  319. } else {
  320. self._ajax_error(data);
  321. }
  322. }).fail(function (xhr, textStatus, errorThrown) {
  323. $(document).trigger("error", xhr.responseText);
  324. self.status('failed');
  325. });
  326. };
  327. self.getLogs = function() {
  328. $.post("/spark/api/get_logs", {
  329. notebook: ko.mapping.toJSON(notebook),
  330. snippet: ko.mapping.toJSON(self)
  331. }, function (data) {
  332. if (data.status == 0) {
  333. self.result.logs(data.logs); // Way to append?
  334. self.progress(data.progress);
  335. } else {
  336. self._ajax_error(data);
  337. }
  338. }).fail(function (xhr, textStatus, errorThrown) {
  339. $(document).trigger("error", xhr.responseText);
  340. self.status('failed');
  341. });
  342. };
  343. self.init = function() {
  344. if (self.status() == 'running') {
  345. self.checkStatus();
  346. }
  347. if (self.status() != 'loading' && self.status() != 'ready') {
  348. self.getLogs();
  349. }
  350. };
  351. }
  352. var Notebook = function (vm, notebook) {
  353. var self = this;
  354. self.id = ko.observable(typeof notebook.id != "undefined" && notebook.id != null ? notebook.id : null);
  355. self.uuid = ko.observable(typeof notebook.uuid != "undefined" && notebook.uuid != null ? notebook.uuid : UUID());
  356. self.name = ko.observable(typeof notebook.name != "undefined" && notebook.name != null ? notebook.name : 'My Notebook');
  357. self.snippets = ko.observableArray();
  358. self.selectedSnippet = ko.observable('scala');
  359. self.availableSnippets = ko.observableArray(['impala', 'hive', 'scala', 'spark sql', 'python', 'text', 'pig']); // presto, mysql, oracle, sqlite, postgres, phoenix
  360. self.sessions = ko.mapping.fromJS(typeof notebook.sessions != "undefined" && notebook.sessions != null ? notebook.sessions : []);
  361. self.getSession = function(session_type) {
  362. var _s = null;
  363. $.each(self.sessions(), function (index, s) {
  364. if (s.type() == session_type) {
  365. _s = s;
  366. return false;
  367. }
  368. });
  369. return _s;
  370. };
  371. self.addSession = function(session) {
  372. var toRemove = []
  373. $.each(self.sessions(), function (index, s) {
  374. if (s.type() == session.type()) {
  375. toRemove.push(s);
  376. }
  377. });
  378. $.each(toRemove, function (index, s) {
  379. self.sessions.remove(s);
  380. });
  381. self.sessions.push(session);
  382. };
  383. self.addSnippet = function(snippet) {
  384. var _snippet = new Snippet(self, snippet);
  385. self.snippets.push(_snippet);
  386. if (self.getSession(_snippet.type()) == null) {
  387. _snippet.create_session();
  388. }
  389. _snippet.init();
  390. };
  391. self.newSnippet = function() {
  392. var snippet = new Snippet(self, {type: self.selectedSnippet(), result: {}});
  393. self.snippets.push(snippet);
  394. if (self.getSession(self.selectedSnippet()) == null) {
  395. snippet.create_session();
  396. }
  397. };
  398. if (notebook.snippets) {
  399. $.each(notebook.snippets, function(index, snippet) {
  400. self.addSnippet(snippet);
  401. });
  402. }
  403. self.save = function () {
  404. $.post("/spark/api/notebook/save", {
  405. "notebook": ko.mapping.toJSON(self)
  406. }, function (data) {
  407. if (data.status == 0) {
  408. self.id(data.id);
  409. $(document).trigger("info", data.message);
  410. if (window.location.search.indexOf("notebook") == -1) {
  411. window.location.hash = '#notebook=' + data.id;
  412. }
  413. }
  414. else {
  415. $(document).trigger("error", data.message);
  416. }
  417. }).fail(function (xhr, textStatus, errorThrown) {
  418. $(document).trigger("error", xhr.responseText);
  419. });
  420. };
  421. }
  422. function EditorViewModel(notebooks) {
  423. var self = this;
  424. self.notebooks = ko.observableArray();
  425. self.selectedNotebook = ko.observable();
  426. self.isEditing = ko.observable(true);
  427. self.isEditing.subscribe(function(newVal){
  428. $(document).trigger("editingToggled");
  429. });
  430. self.toggleEditing = function () {
  431. self.isEditing(! self.isEditing());
  432. };
  433. self.assistContent = ko.observable();
  434. self.init = function() {
  435. $.each(notebooks, function(index, notebook) {
  436. self.loadNotebook(notebook);
  437. if (self.selectedNotebook() == null){
  438. self.selectedNotebook(self.notebooks()[0]);
  439. }
  440. });
  441. };
  442. self.loadNotebook = function(notebook) {
  443. self.notebooks.push(new Notebook(self, notebook));
  444. };
  445. self.newNotebook = function() {
  446. self.notebooks.push(new Notebook(self, {}));
  447. self.selectedNotebook(self.notebooks()[self.notebooks().length - 1]);
  448. };
  449. self.saveNotebook = function() {
  450. self.selectedNotebook().save();
  451. };
  452. }
  453. function logGA(page) {
  454. if (typeof trackOnGA == 'function') {
  455. trackOnGA('editor/' + page);
  456. }
  457. }