spark.ko.js 21 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. function isNumericColumn(type) {
  30. return $.inArray(type, ['TINYINT_TYPE', 'SMALLINT_TYPE', 'INT_TYPE', 'BIGINT_TYPE', 'FLOAT_TYPE', 'DOUBLE_TYPE', 'DECIMAL_TYPE', 'TIMESTAMP_TYPE', 'DATE_TYPE']) > -1;
  31. }
  32. function isDateTimeColumn(type) {
  33. return $.inArray(type, ['TIMESTAMP_TYPE', 'DATE_TYPE']) > -1;
  34. }
  35. function isStringColumn(type) {
  36. return !isNumericColumn(type) && !isDateTimeColumn(type);
  37. }
  38. self.cleanedNumericMeta = ko.computed(function(){
  39. return ko.utils.arrayFilter(self.meta(), function(item) {
  40. return item.name != '' && isNumericColumn(item.type)
  41. });
  42. });
  43. self.cleanedStringMeta = ko.computed(function(){
  44. return ko.utils.arrayFilter(self.meta(), function(item) {
  45. return item.name != '' && isStringColumn(item.type)
  46. });
  47. });
  48. self.cleanedDateTimeMeta = ko.computed(function(){
  49. return ko.utils.arrayFilter(self.meta(), function(item) {
  50. return item.name != '' && isDateTimeColumn(item.type)
  51. });
  52. });
  53. self.data = ko.observableArray(typeof result.data != "undefined" && result.data != null ? result.data : []);
  54. self.data.extend({ rateLimit: 50 });
  55. self.logs = ko.observable('');
  56. self.errors = ko.observable('');
  57. self.hasSomeResults = ko.computed(function(){
  58. return self.hasResultset() && self.data().length > 0; // status() == 'available'
  59. });
  60. if (typeof result.handle != "undefined" && result.handle != null) {
  61. $.each(result.handle, function(key, val) {
  62. self.handle()[key] = val;
  63. });
  64. }
  65. self.clear = function() {
  66. $.each(self.handle, function(key, val) {
  67. delete self.handle()[key];
  68. });
  69. self.meta.removeAll();
  70. self.data.removeAll();
  71. self.logs('');
  72. self.errors('');
  73. };
  74. }
  75. var TYPE_EDITOR_MAP = {
  76. 'hive': 'text/x-hiveql',
  77. 'impala': 'text/x-impalaql',
  78. 'python': 'text/x-python',
  79. 'scala': 'text/x-scala',
  80. 'pig': 'text/x-pig'
  81. }
  82. var Snippet = function (vm, notebook, snippet) {
  83. var self = this;
  84. self.id = ko.observable(typeof snippet.id != "undefined" && snippet.id != null ? snippet.id : UUID());
  85. self.name = ko.observable(typeof snippet.name != "undefined" && snippet.name != null ? snippet.name : '');
  86. self.type = ko.observable(typeof snippet.type != "undefined" && snippet.type != null ? snippet.type : "hive");
  87. self.editorMode = ko.observable(TYPE_EDITOR_MAP[self.type()]);
  88. self.statement_raw = ko.observable(typeof snippet.statement_raw != "undefined" && snippet.statement_raw != null ? snippet.statement_raw : vm.snippetPlaceholders[self.type()]);
  89. self.codemirrorSize = ko.observable(typeof snippet.codemirrorSize != "undefined" && snippet.codemirrorSize != null ? snippet.codemirrorSize : 100);
  90. //self.statement_raw.extend({ rateLimit: 150 });
  91. self.status = ko.observable(typeof snippet.status != "undefined" && snippet.status != null ? snippet.status : 'loading');
  92. self.settings = ko.mapping.fromJS(typeof snippet.settings != "undefined" && snippet.settings != null ? snippet.settings : {});
  93. self.variables = ko.observableArray([]);
  94. self.variableNames = ko.computed(function () {
  95. var matches = [];
  96. var myRegexp = /(?:[^\\]\$)([^\d'" ]\w*)/g;
  97. var match = myRegexp.exec(self.statement_raw());
  98. while (match != null) {
  99. matches.push(match[1]);
  100. match = myRegexp.exec(self.statement());
  101. }
  102. return matches;
  103. });
  104. self.variableNames.extend({ rateLimit: 150 });
  105. self.variableNames.subscribe(function (newVal) {
  106. var toDelete = [];
  107. var toAdd = [];
  108. $.each(newVal, function (key, name) {
  109. var match = ko.utils.arrayFirst(self.variables(), function (_var) {
  110. return _var.name() == name;
  111. });
  112. if (!match) {
  113. toAdd.push(name);
  114. }
  115. });
  116. $.each(self.variables(), function (key, _var) {
  117. var match = ko.utils.arrayFirst(newVal, function (name) {
  118. return _var.name() == name;
  119. });
  120. if (!match) {
  121. toDelete.push(_var);
  122. }
  123. });
  124. $.each(toDelete, function (index, item) {
  125. self.variables.remove(item);
  126. });
  127. $.each(toAdd, function (index, item) {
  128. self.variables.push(ko.mapping.fromJS({'name': item, 'value': ''}));
  129. });
  130. self.variables.sort(function (left, right) {
  131. var leftIndex = newVal.indexOf(left.name());
  132. var rightIndex = newVal.indexOf(right.name());
  133. return leftIndex == rightIndex ? 0 : (leftIndex < rightIndex ? -1 : 1);
  134. });
  135. });
  136. self.statement = ko.computed(function () {
  137. var statement = self.statement_raw();
  138. $.each(self.variables(), function (index, variable) {
  139. statement = statement.replace(RegExp("([^\\\\])\\$" + variable.name(), "g"), "$1" + variable.value());
  140. });
  141. return statement;
  142. });
  143. self.result = new Result(snippet, snippet.result);
  144. self.showGrid = ko.observable(typeof snippet.showGrid != "undefined" && snippet.showGrid != null ? snippet.showGrid : true);
  145. self.showChart = ko.observable(typeof snippet.showChart != "undefined" && snippet.showChart != null ? snippet.showChart : false);
  146. self.showLogs = ko.observable(typeof snippet.showLogs != "undefined" && snippet.showLogs != null ? snippet.showLogs : false);
  147. self.progress = ko.observable(typeof snippet.progress != "undefined" && snippet.progress != null ? snippet.progress : 0);
  148. self.progress.subscribe(function (val){
  149. $(document).trigger("progress", {data: val, snippet: self});
  150. });
  151. self.showGrid.subscribe(function (val){
  152. if (val){
  153. self.showChart(false);
  154. }
  155. });
  156. self.showChart.subscribe(function (val){
  157. if (val){
  158. self.showGrid(false);
  159. self.isLeftPanelVisible(true);
  160. $(document).trigger("forceChartDraw", self);
  161. }
  162. });
  163. self.showLogs.subscribe(function (val){
  164. if (val){
  165. self.getLogs();
  166. }
  167. });
  168. self.size = ko.observable(typeof snippet.size != "undefined" && snippet.size != null ? snippet.size : 12).extend({ numeric: 0 });
  169. self.offset = ko.observable(typeof snippet.offset != "undefined" && snippet.offset != null ? snippet.offset : 0).extend({ numeric: 0 });
  170. self.isLoading = ko.computed(function(){
  171. return self.status() == "loading";
  172. });
  173. self.klass = ko.computed(function () {
  174. return "snippet card card-widget";
  175. });
  176. self.editorKlass = ko.computed(function(){
  177. return "editor span" + self.size() + (self.offset() * 1 > 0 ? " offset" + self.offset() : "");
  178. });
  179. self.resultsKlass = ko.computed(function(){
  180. return "results " + self.type();
  181. });
  182. self.chartType = ko.observable(typeof snippet.chartType != "undefined" && snippet.chartType != null ? snippet.chartType : ko.HUE_CHARTS.TYPES.BARCHART);
  183. self.chartSorting = ko.observable(typeof snippet.chartSorting != "undefined" && snippet.chartSorting != null ? snippet.chartSorting : "none");
  184. self.chartScatterGroup = ko.observable(typeof snippet.chartScatterGroup != "undefined" && snippet.chartScatterGroup != null ? snippet.chartScatterGroup : null);
  185. self.chartScatterSize = ko.observable(typeof snippet.chartScatterSize != "undefined" && snippet.chartScatterSize != null ? snippet.chartScatterSize : null);
  186. self.chartX = ko.observable(typeof snippet.chartX != "undefined" && snippet.chartX != null ? snippet.chartX : null);
  187. self.chartYSingle = ko.observable(typeof snippet.chartYSingle != "undefined" && snippet.chartYSingle != null ? snippet.chartYSingle : null);
  188. self.chartYMulti = ko.observableArray(typeof snippet.chartYMulti != "undefined" && snippet.chartYMulti != null ? snippet.chartYMulti : []);
  189. self.chartData = ko.observableArray(typeof snippet.chartData != "undefined" && snippet.chartData != null ? snippet.chartData : []);
  190. self.chartMapLabel = ko.observable(typeof snippet.chartMapLabel != "undefined" && snippet.chartMapLabel != null ? snippet.chartMapLabel : null);
  191. self.chartType.subscribe(function(val){
  192. $(document).trigger("forceChartDraw", self);
  193. });
  194. self.tempChartOptions = {};
  195. self.isLeftPanelVisible = ko.observable(typeof snippet.isLeftPanelVisible != "undefined" && snippet.isLeftPanelVisible != null ? snippet.isLeftPanelVisible : false);
  196. self.toggleLeftPanel = function () {
  197. self.isLeftPanelVisible(! self.isLeftPanelVisible());
  198. $(document).trigger("toggleLeftPanel", self);
  199. };
  200. self.expand = function () {
  201. self.size(self.size() + 1);
  202. $("#snippet_" + self.id()).trigger("resize");
  203. }
  204. self.compress = function () {
  205. self.size(self.size() - 1);
  206. $("#snippet_" + self.id()).trigger("resize");
  207. }
  208. self.moveLeft = function () {
  209. self.offset(self.offset() - 1);
  210. }
  211. self.moveRight = function () {
  212. self.offset(self.offset() + 1);
  213. }
  214. self.remove = function (notebook, snippet) {
  215. notebook.snippets.remove(snippet);
  216. }
  217. self.checkStatusTimeout = null;
  218. self._ajax_error = function(data) {
  219. if (data.status == -2) {
  220. self.create_session();
  221. }
  222. else if (data.status == -3) {
  223. self.status('expired');
  224. }
  225. else if (data.status == 1) {
  226. self.status('failed');
  227. self.result.errors(data.message);
  228. } else {
  229. $(document).trigger("error", data.message);
  230. self.status('failed');
  231. }
  232. };
  233. self.create_session = function() {
  234. $.post("/spark/api/create_session", {
  235. notebook: ko.mapping.toJSON(notebook),
  236. snippet: ko.mapping.toJSON(self)
  237. }, function (data) {
  238. if (data.status == 0) {
  239. notebook.addSession(ko.mapping.fromJS(data.session));
  240. self.status('ready');
  241. }
  242. else {
  243. $(document).trigger("error", data.message);
  244. }
  245. }).fail(function (xhr, textStatus, errorThrown) {
  246. $(document).trigger("error", xhr.responseText);
  247. });
  248. };
  249. self.execute = function () {
  250. $(document).trigger("executeStarted", self);
  251. $(".jHueNotify").hide();
  252. logGA('/execute/' + self.type());
  253. if (self.result.meta().length > 0) {
  254. self.close();
  255. }
  256. self.result.clear();
  257. self.progress(0);
  258. self.status('running');
  259. $.post("/spark/api/execute", {
  260. notebook: ko.mapping.toJSON(notebook),
  261. snippet: ko.mapping.toJSON(self)
  262. }, function (data) {
  263. if (data.status == 0) {
  264. $.each(data.handle, function (key, val) {
  265. self.result.handle()[key] = val;
  266. });
  267. self.result.hasResultset(data.handle.has_result_set);
  268. self.checkStatus();
  269. } else {
  270. self._ajax_error(data);
  271. }
  272. }).fail(function (xhr, textStatus, errorThrown) {
  273. $(document).trigger("error", xhr.responseText);
  274. self.status('failed');
  275. });
  276. };
  277. self.fetchResult = function(rows, startOver) {
  278. if (typeof startOver == "undefined") {
  279. startOver = true;
  280. }
  281. self.fetchResultData(rows, startOver);
  282. //self.fetchResultMetadata(rows);
  283. };
  284. self.fetchResultData = function(rows, startOver) {
  285. $.post("/spark/api/fetch_result_data", {
  286. notebook: ko.mapping.toJSON(notebook),
  287. snippet: ko.mapping.toJSON(self),
  288. rows: rows,
  289. startOver: startOver
  290. }, function (data) {
  291. if (data.status == 0) {
  292. rows -= data.result.data.length;
  293. if (self.result.meta().length == 0) {
  294. data.result.meta.unshift({type: "INT_TYPE", name: "", comment: null});
  295. self.result.meta(data.result.meta);
  296. }
  297. var _initialIndex = self.result.data().length;
  298. var _tempData = [];
  299. $.each(data.result.data, function (index, row) {
  300. row.unshift(_initialIndex + index);
  301. self.result.data.push(row);
  302. _tempData.push(row);
  303. });
  304. $(document).trigger("renderData", {data: _tempData, snippet: self, initial: _initialIndex == 0});
  305. if (data.result.has_more && rows > 0) {
  306. setTimeout(function () {
  307. self.fetchResultData(rows, false);
  308. }, 500);
  309. }
  310. } else {
  311. self._ajax_error(data);
  312. }
  313. }).fail(function (xhr, textStatus, errorThrown) {
  314. $(document).trigger("error", xhr.responseText);
  315. });
  316. };
  317. self.fetchResultMetadata = function () {
  318. $.post("/spark/api/fetch_result_metadata", {
  319. notebook: ko.mapping.toJSON(notebook),
  320. snippet: ko.mapping.toJSON(self),
  321. }, function (data) {
  322. if (data.status == 0) {
  323. self.result.meta(data.result.meta);
  324. } else {
  325. $(document).trigger("error", data.message);
  326. }
  327. }).fail(function (xhr, textStatus, errorThrown) {
  328. $(document).trigger("error", xhr.responseText);
  329. self.status('failed');
  330. });
  331. };
  332. self.checkStatus = function() {
  333. $.post("/spark/api/check_status", {
  334. notebook: ko.mapping.toJSON(notebook),
  335. snippet: ko.mapping.toJSON(self)
  336. }, function (data) {
  337. if (data.status == 0) {
  338. self.status(data.query_status.status);
  339. self.getLogs();
  340. if (self.status() == 'running') {
  341. self.checkStatusTimeout = setTimeout(self.checkStatus, 1000);
  342. }
  343. else if (self.status() == 'available') {
  344. self.fetchResult(100);
  345. self.progress(100);
  346. }
  347. } else {
  348. self._ajax_error(data);
  349. }
  350. }).fail(function (xhr, textStatus, errorThrown) {
  351. $(document).trigger("error", xhr.responseText);
  352. self.status('failed');
  353. });
  354. };
  355. self.cancel = function() {
  356. if (self.checkStatusTimeout != null) {
  357. clearTimeout(self.checkStatusTimeout);
  358. self.checkStatusTimeout = null;
  359. }
  360. $.post("/spark/api/cancel_statement", {
  361. notebook: ko.mapping.toJSON(notebook),
  362. snippet: ko.mapping.toJSON(self)
  363. }, function (data) {
  364. if (data.status == 0) {
  365. self.status('canceled');
  366. } else {
  367. self._ajax_error(data);
  368. }
  369. }).fail(function (xhr, textStatus, errorThrown) {
  370. $(document).trigger("error", xhr.responseText);
  371. self.status('failed');
  372. });
  373. };
  374. self.close = function() {
  375. if (self.checkStatusTimeout != null) {
  376. clearTimeout(self.checkStatusTimeout);
  377. self.checkStatusTimeout = null;
  378. }
  379. $.post("/spark/api/close_statement", {
  380. notebook: ko.mapping.toJSON(notebook),
  381. snippet: ko.mapping.toJSON(self)
  382. }, function (data) {
  383. if (data.status == 0) {
  384. self.status('closed');
  385. } else {
  386. self._ajax_error(data);
  387. }
  388. }).fail(function (xhr, textStatus, errorThrown) {
  389. $(document).trigger("error", xhr.responseText);
  390. self.status('failed');
  391. });
  392. };
  393. self.getLogs = function() {
  394. $.post("/spark/api/get_logs", {
  395. notebook: ko.mapping.toJSON(notebook),
  396. snippet: ko.mapping.toJSON(self)
  397. }, function (data) {
  398. if (data.status == 0) {
  399. self.result.logs(data.logs); // Way to append?
  400. self.progress(data.progress);
  401. } else {
  402. self._ajax_error(data);
  403. }
  404. }).fail(function (xhr, textStatus, errorThrown) {
  405. $(document).trigger("error", xhr.responseText);
  406. self.status('failed');
  407. });
  408. };
  409. self.init = function() {
  410. if (self.status() == 'running') {
  411. self.checkStatus();
  412. }
  413. if (self.status() != 'loading' && self.status() != 'ready') {
  414. self.getLogs();
  415. }
  416. };
  417. }
  418. var Notebook = function (vm, notebook) {
  419. var self = this;
  420. self.id = ko.observable(typeof notebook.id != "undefined" && notebook.id != null ? notebook.id : null);
  421. self.uuid = ko.observable(typeof notebook.uuid != "undefined" && notebook.uuid != null ? notebook.uuid : UUID());
  422. self.name = ko.observable(typeof notebook.name != "undefined" && notebook.name != null ? notebook.name : 'My Notebook');
  423. self.snippets = ko.observableArray();
  424. self.selectedSnippet = ko.observable(vm.availableSnippets()[0].type());
  425. self.sessions = ko.mapping.fromJS(typeof notebook.sessions != "undefined" && notebook.sessions != null ? notebook.sessions : []);
  426. self.getSession = function(session_type) {
  427. var _s = null;
  428. $.each(self.sessions(), function (index, s) {
  429. if (s.type() == session_type) {
  430. _s = s;
  431. return false;
  432. }
  433. });
  434. return _s;
  435. };
  436. self.addSession = function(session) {
  437. var toRemove = []
  438. $.each(self.sessions(), function (index, s) {
  439. if (s.type() == session.type()) {
  440. toRemove.push(s);
  441. }
  442. });
  443. $.each(toRemove, function (index, s) {
  444. self.sessions.remove(s);
  445. });
  446. self.sessions.push(session);
  447. };
  448. self.addSnippet = function(snippet) {
  449. var _snippet = new Snippet(vm, self, snippet);
  450. self.snippets.push(_snippet);
  451. if (self.getSession(_snippet.type()) == null) {
  452. _snippet.create_session();
  453. } else {
  454. _snippet.status('ready');
  455. }
  456. _snippet.init();
  457. };
  458. self.newSnippet = function() {
  459. var _snippet = new Snippet(vm, self, {type: self.selectedSnippet(), result: {}});
  460. self.snippets.push(_snippet);
  461. if (self.getSession(self.selectedSnippet()) == null) {
  462. _snippet.create_session();
  463. }
  464. else {
  465. _snippet.status('ready');
  466. }
  467. $(document).trigger("snippetAdded", _snippet);
  468. };
  469. if (notebook.snippets) {
  470. $.each(notebook.snippets, function(index, snippet) {
  471. self.addSnippet(snippet);
  472. });
  473. }
  474. self.save = function () {
  475. $.post("/spark/api/notebook/save", {
  476. "notebook": ko.mapping.toJSON(self)
  477. }, function (data) {
  478. if (data.status == 0) {
  479. self.id(data.id);
  480. $(document).trigger("info", data.message);
  481. if (window.location.search.indexOf("notebook") == -1) {
  482. window.location.hash = '#notebook=' + data.id;
  483. }
  484. }
  485. else {
  486. $(document).trigger("error", data.message);
  487. }
  488. }).fail(function (xhr, textStatus, errorThrown) {
  489. $(document).trigger("error", xhr.responseText);
  490. });
  491. };
  492. self.close = function () {
  493. $.post("/spark/api/notebook/close", {
  494. "notebook": ko.mapping.toJSON(self)
  495. }, function (data) {
  496. }).fail(function (xhr, textStatus, errorThrown) {
  497. $(document).trigger("error", xhr.responseText);
  498. });
  499. };
  500. }
  501. function EditorViewModel(notebooks, options) {
  502. var self = this;
  503. self.notebooks = ko.observableArray();
  504. self.selectedNotebook = ko.observable();
  505. self.isEditing = ko.observable(false);
  506. self.isEditing.subscribe(function(newVal){
  507. $(document).trigger("editingToggled");
  508. });
  509. self.toggleEditing = function () {
  510. self.isEditing(! self.isEditing());
  511. };
  512. self.isAssistVisible = ko.observable(options.assistVisible);
  513. self.toggleAssist = function () {
  514. self.isAssistVisible(! self.isAssistVisible());
  515. $(document).trigger("toggleAssist");
  516. };
  517. self.isAssistVisible = ko.observable(options.assistVisible);
  518. self.assistContent = ko.observable();
  519. self.assistSelectedMainObject = ko.observable();
  520. self.availableSnippets = ko.mapping.fromJS(options.languages);
  521. self.snippetPlaceholders = options.snippet_placeholders;
  522. self.init = function() {
  523. $.each(notebooks, function(index, notebook) {
  524. self.loadNotebook(notebook);
  525. if (self.selectedNotebook() == null){
  526. self.selectedNotebook(self.notebooks()[0]);
  527. }
  528. });
  529. };
  530. self.loadNotebook = function(notebook) {
  531. var _n = new Notebook(self, notebook);
  532. self.notebooks.push(_n);
  533. if (_n.snippets().length > 0){
  534. _n.selectedSnippet(_n.snippets()[_n.snippets().length - 1].type());
  535. }
  536. };
  537. self.newNotebook = function() {
  538. self.notebooks.push(new Notebook(self, {}));
  539. self.selectedNotebook(self.notebooks()[self.notebooks().length - 1]);
  540. };
  541. self.saveNotebook = function() {
  542. self.selectedNotebook().save();
  543. };
  544. }
  545. function logGA(page) {
  546. if (typeof trackOnGA == 'function') {
  547. trackOnGA('editor/' + page);
  548. }
  549. }