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.errorsKlass = ko.computed(function(){
  183. return self.resultsKlass + " alert alert-error";
  184. });
  185. self.chartType = ko.observable(typeof snippet.chartType != "undefined" && snippet.chartType != null ? snippet.chartType : ko.HUE_CHARTS.TYPES.BARCHART);
  186. self.chartSorting = ko.observable(typeof snippet.chartSorting != "undefined" && snippet.chartSorting != null ? snippet.chartSorting : "none");
  187. self.chartScatterGroup = ko.observable(typeof snippet.chartScatterGroup != "undefined" && snippet.chartScatterGroup != null ? snippet.chartScatterGroup : null);
  188. self.chartScatterSize = ko.observable(typeof snippet.chartScatterSize != "undefined" && snippet.chartScatterSize != null ? snippet.chartScatterSize : null);
  189. self.chartX = ko.observable(typeof snippet.chartX != "undefined" && snippet.chartX != null ? snippet.chartX : null);
  190. self.chartYSingle = ko.observable(typeof snippet.chartYSingle != "undefined" && snippet.chartYSingle != null ? snippet.chartYSingle : null);
  191. self.chartYMulti = ko.observableArray(typeof snippet.chartYMulti != "undefined" && snippet.chartYMulti != null ? snippet.chartYMulti : []);
  192. self.chartData = ko.observableArray(typeof snippet.chartData != "undefined" && snippet.chartData != null ? snippet.chartData : []);
  193. self.chartMapLabel = ko.observable(typeof snippet.chartMapLabel != "undefined" && snippet.chartMapLabel != null ? snippet.chartMapLabel : null);
  194. self.chartType.subscribe(function(val){
  195. $(document).trigger("forceChartDraw", self);
  196. });
  197. self.tempChartOptions = {};
  198. self.isLeftPanelVisible = ko.observable(typeof snippet.isLeftPanelVisible != "undefined" && snippet.isLeftPanelVisible != null ? snippet.isLeftPanelVisible : false);
  199. self.toggleLeftPanel = function () {
  200. self.isLeftPanelVisible(! self.isLeftPanelVisible());
  201. $(document).trigger("toggleLeftPanel", self);
  202. };
  203. self.expand = function () {
  204. self.size(self.size() + 1);
  205. $("#snippet_" + self.id()).trigger("resize");
  206. }
  207. self.compress = function () {
  208. self.size(self.size() - 1);
  209. $("#snippet_" + self.id()).trigger("resize");
  210. }
  211. self.moveLeft = function () {
  212. self.offset(self.offset() - 1);
  213. }
  214. self.moveRight = function () {
  215. self.offset(self.offset() + 1);
  216. }
  217. self.remove = function (notebook, snippet) {
  218. notebook.snippets.remove(snippet);
  219. }
  220. self.checkStatusTimeout = null;
  221. self._ajax_error = function(data) {
  222. if (data.status == -2) {
  223. self.create_session();
  224. }
  225. else if (data.status == -3) {
  226. self.status('expired');
  227. }
  228. else if (data.status == 1) {
  229. self.status('failed');
  230. self.result.errors(data.message);
  231. } else {
  232. $(document).trigger("error", data.message);
  233. self.status('failed');
  234. }
  235. };
  236. self.create_session = function() {
  237. $.post("/spark/api/create_session", {
  238. notebook: ko.mapping.toJSON(notebook),
  239. snippet: ko.mapping.toJSON(self)
  240. }, function (data) {
  241. if (data.status == 0) {
  242. notebook.addSession(ko.mapping.fromJS(data.session));
  243. self.status('ready');
  244. }
  245. else {
  246. $(document).trigger("error", data.message);
  247. }
  248. }).fail(function (xhr, textStatus, errorThrown) {
  249. $(document).trigger("error", xhr.responseText);
  250. });
  251. };
  252. self.execute = function () {
  253. $(document).trigger("executeStarted", self);
  254. $(".jHueNotify").hide();
  255. logGA('/execute/' + self.type());
  256. if (self.result.meta().length > 0) {
  257. self.close();
  258. }
  259. self.result.clear();
  260. self.progress(0);
  261. self.status('running');
  262. $.post("/spark/api/execute", {
  263. notebook: ko.mapping.toJSON(notebook),
  264. snippet: ko.mapping.toJSON(self)
  265. }, function (data) {
  266. if (data.status == 0) {
  267. $.each(data.handle, function (key, val) {
  268. self.result.handle()[key] = val;
  269. });
  270. self.result.hasResultset(data.handle.has_result_set);
  271. self.checkStatus();
  272. } else {
  273. self._ajax_error(data);
  274. }
  275. }).fail(function (xhr, textStatus, errorThrown) {
  276. $(document).trigger("error", xhr.responseText);
  277. self.status('failed');
  278. });
  279. };
  280. self.fetchResult = function(rows, startOver) {
  281. if (typeof startOver == "undefined") {
  282. startOver = true;
  283. }
  284. self.fetchResultData(rows, startOver);
  285. //self.fetchResultMetadata(rows);
  286. };
  287. self.fetchResultData = function(rows, startOver) {
  288. $.post("/spark/api/fetch_result_data", {
  289. notebook: ko.mapping.toJSON(notebook),
  290. snippet: ko.mapping.toJSON(self),
  291. rows: rows,
  292. startOver: startOver
  293. }, function (data) {
  294. if (data.status == 0) {
  295. rows -= data.result.data.length;
  296. if (self.result.meta().length == 0) {
  297. data.result.meta.unshift({type: "INT_TYPE", name: "", comment: null});
  298. self.result.meta(data.result.meta);
  299. }
  300. var _initialIndex = self.result.data().length;
  301. var _tempData = [];
  302. $.each(data.result.data, function (index, row) {
  303. row.unshift(_initialIndex + index);
  304. self.result.data.push(row);
  305. _tempData.push(row);
  306. });
  307. $(document).trigger("renderData", {data: _tempData, snippet: self, initial: _initialIndex == 0});
  308. if (data.result.has_more && rows > 0) {
  309. setTimeout(function () {
  310. self.fetchResultData(rows, false);
  311. }, 500);
  312. }
  313. } else {
  314. self._ajax_error(data);
  315. $(document).trigger("renderDataError", {snippet: self});
  316. }
  317. }).fail(function (xhr, textStatus, errorThrown) {
  318. $(document).trigger("error", xhr.responseText);
  319. });
  320. };
  321. self.fetchResultMetadata = function () {
  322. $.post("/spark/api/fetch_result_metadata", {
  323. notebook: ko.mapping.toJSON(notebook),
  324. snippet: ko.mapping.toJSON(self),
  325. }, function (data) {
  326. if (data.status == 0) {
  327. self.result.meta(data.result.meta);
  328. } else {
  329. $(document).trigger("error", data.message);
  330. }
  331. }).fail(function (xhr, textStatus, errorThrown) {
  332. $(document).trigger("error", xhr.responseText);
  333. self.status('failed');
  334. });
  335. };
  336. self.checkStatus = function() {
  337. $.post("/spark/api/check_status", {
  338. notebook: ko.mapping.toJSON(notebook),
  339. snippet: ko.mapping.toJSON(self)
  340. }, function (data) {
  341. if (data.status == 0) {
  342. self.status(data.query_status.status);
  343. self.getLogs();
  344. if (self.status() == 'running') {
  345. self.checkStatusTimeout = setTimeout(self.checkStatus, 1000);
  346. }
  347. else if (self.status() == 'available') {
  348. self.fetchResult(100);
  349. self.progress(100);
  350. }
  351. } else {
  352. self._ajax_error(data);
  353. }
  354. }).fail(function (xhr, textStatus, errorThrown) {
  355. $(document).trigger("error", xhr.responseText);
  356. self.status('failed');
  357. });
  358. };
  359. self.cancel = function() {
  360. if (self.checkStatusTimeout != null) {
  361. clearTimeout(self.checkStatusTimeout);
  362. self.checkStatusTimeout = null;
  363. }
  364. $.post("/spark/api/cancel_statement", {
  365. notebook: ko.mapping.toJSON(notebook),
  366. snippet: ko.mapping.toJSON(self)
  367. }, function (data) {
  368. if (data.status == 0) {
  369. self.status('canceled');
  370. } else {
  371. self._ajax_error(data);
  372. }
  373. }).fail(function (xhr, textStatus, errorThrown) {
  374. $(document).trigger("error", xhr.responseText);
  375. self.status('failed');
  376. });
  377. };
  378. self.close = function() {
  379. if (self.checkStatusTimeout != null) {
  380. clearTimeout(self.checkStatusTimeout);
  381. self.checkStatusTimeout = null;
  382. }
  383. $.post("/spark/api/close_statement", {
  384. notebook: ko.mapping.toJSON(notebook),
  385. snippet: ko.mapping.toJSON(self)
  386. }, function (data) {
  387. if (data.status == 0) {
  388. self.status('closed');
  389. } else {
  390. self._ajax_error(data);
  391. }
  392. }).fail(function (xhr, textStatus, errorThrown) {
  393. $(document).trigger("error", xhr.responseText);
  394. self.status('failed');
  395. });
  396. };
  397. self.getLogs = function() {
  398. $.post("/spark/api/get_logs", {
  399. notebook: ko.mapping.toJSON(notebook),
  400. snippet: ko.mapping.toJSON(self)
  401. }, function (data) {
  402. if (data.status == 0) {
  403. self.result.logs(data.logs); // Way to append?
  404. self.progress(data.progress);
  405. } else {
  406. self._ajax_error(data);
  407. }
  408. }).fail(function (xhr, textStatus, errorThrown) {
  409. $(document).trigger("error", xhr.responseText);
  410. self.status('failed');
  411. });
  412. };
  413. self.init = function() {
  414. if (self.status() == 'running') {
  415. self.checkStatus();
  416. }
  417. if (self.status() != 'loading' && self.status() != 'ready') {
  418. self.getLogs();
  419. }
  420. };
  421. }
  422. var Notebook = function (vm, notebook) {
  423. var self = this;
  424. self.id = ko.observable(typeof notebook.id != "undefined" && notebook.id != null ? notebook.id : null);
  425. self.uuid = ko.observable(typeof notebook.uuid != "undefined" && notebook.uuid != null ? notebook.uuid : UUID());
  426. self.name = ko.observable(typeof notebook.name != "undefined" && notebook.name != null ? notebook.name : 'My Notebook');
  427. self.snippets = ko.observableArray();
  428. self.selectedSnippet = ko.observable(vm.availableSnippets()[0].type());
  429. self.sessions = ko.mapping.fromJS(typeof notebook.sessions != "undefined" && notebook.sessions != null ? notebook.sessions : []);
  430. self.getSession = function(session_type) {
  431. var _s = null;
  432. $.each(self.sessions(), function (index, s) {
  433. if (s.type() == session_type) {
  434. _s = s;
  435. return false;
  436. }
  437. });
  438. return _s;
  439. };
  440. self.addSession = function(session) {
  441. var toRemove = []
  442. $.each(self.sessions(), function (index, s) {
  443. if (s.type() == session.type()) {
  444. toRemove.push(s);
  445. }
  446. });
  447. $.each(toRemove, function (index, s) {
  448. self.sessions.remove(s);
  449. });
  450. self.sessions.push(session);
  451. };
  452. self.addSnippet = function(snippet) {
  453. var _snippet = new Snippet(vm, self, snippet);
  454. self.snippets.push(_snippet);
  455. if (self.getSession(_snippet.type()) == null) {
  456. _snippet.create_session();
  457. } else {
  458. _snippet.status('ready');
  459. }
  460. _snippet.init();
  461. };
  462. self.newSnippet = function() {
  463. var _snippet = new Snippet(vm, self, {type: self.selectedSnippet(), result: {}});
  464. self.snippets.push(_snippet);
  465. if (self.getSession(self.selectedSnippet()) == null) {
  466. _snippet.create_session();
  467. }
  468. else {
  469. _snippet.status('ready');
  470. }
  471. $(document).trigger("snippetAdded", _snippet);
  472. };
  473. if (notebook.snippets) {
  474. $.each(notebook.snippets, function(index, snippet) {
  475. self.addSnippet(snippet);
  476. });
  477. }
  478. self.save = function () {
  479. $.post("/spark/api/notebook/save", {
  480. "notebook": ko.mapping.toJSON(self)
  481. }, function (data) {
  482. if (data.status == 0) {
  483. self.id(data.id);
  484. $(document).trigger("info", data.message);
  485. if (window.location.search.indexOf("notebook") == -1) {
  486. window.location.hash = '#notebook=' + data.id;
  487. }
  488. }
  489. else {
  490. $(document).trigger("error", data.message);
  491. }
  492. }).fail(function (xhr, textStatus, errorThrown) {
  493. $(document).trigger("error", xhr.responseText);
  494. });
  495. };
  496. self.close = function () {
  497. $.post("/spark/api/notebook/close", {
  498. "notebook": ko.mapping.toJSON(self)
  499. }, function (data) {
  500. }).fail(function (xhr, textStatus, errorThrown) {
  501. $(document).trigger("error", xhr.responseText);
  502. });
  503. };
  504. }
  505. function EditorViewModel(notebooks, options) {
  506. var self = this;
  507. self.notebooks = ko.observableArray();
  508. self.selectedNotebook = ko.observable();
  509. self.isEditing = ko.observable(false);
  510. self.isEditing.subscribe(function(newVal){
  511. $(document).trigger("editingToggled");
  512. });
  513. self.toggleEditing = function () {
  514. self.isEditing(! self.isEditing());
  515. };
  516. self.isAssistVisible = ko.observable(options.assistVisible);
  517. self.toggleAssist = function () {
  518. self.isAssistVisible(! self.isAssistVisible());
  519. $(document).trigger("toggleAssist");
  520. };
  521. self.isAssistVisible = ko.observable(options.assistVisible);
  522. self.assistContent = ko.observable();
  523. self.assistSelectedMainObject = ko.observable();
  524. self.availableSnippets = ko.mapping.fromJS(options.languages);
  525. self.snippetPlaceholders = options.snippet_placeholders;
  526. self.init = function() {
  527. $.each(notebooks, function(index, notebook) {
  528. self.loadNotebook(notebook);
  529. if (self.selectedNotebook() == null){
  530. self.selectedNotebook(self.notebooks()[0]);
  531. }
  532. });
  533. };
  534. self.loadNotebook = function(notebook) {
  535. var _n = new Notebook(self, notebook);
  536. self.notebooks.push(_n);
  537. if (_n.snippets().length > 0){
  538. _n.selectedSnippet(_n.snippets()[_n.snippets().length - 1].type());
  539. }
  540. };
  541. self.newNotebook = function() {
  542. self.notebooks.push(new Notebook(self, {}));
  543. self.selectedNotebook(self.notebooks()[self.notebooks().length - 1]);
  544. };
  545. self.saveNotebook = function() {
  546. self.selectedNotebook().save();
  547. };
  548. }
  549. function logGA(page) {
  550. if (typeof trackOnGA == 'function') {
  551. trackOnGA('editor/' + page);
  552. }
  553. }