pig.ko.js 15 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 Resource = function (resource) {
  17. var self = this;
  18. self.type = ko.observable(resource.type);
  19. self.value = ko.observable(resource.value);
  20. };
  21. var PigScript = function (pigScript) {
  22. var self = this;
  23. self.id = ko.observable(pigScript.id);
  24. self.isDesign = ko.observable(pigScript.isDesign);
  25. self.name = ko.observable(pigScript.name);
  26. self.script = ko.observable(pigScript.script);
  27. self.scriptSumup = ko.observable(pigScript.script.replace(/\W+/g, ' ').substring(0, 100));
  28. self.isRunning = ko.observable(false);
  29. self.selected = ko.observable(false);
  30. self.watchUrl = ko.observable("");
  31. self.actions = ko.observableArray([]);
  32. self.handleSelect = function (row, e) {
  33. this.selected(!this.selected());
  34. };
  35. self.hovered = ko.observable(false);
  36. self.toggleHover = function (row, e) {
  37. this.hovered(!this.hovered());
  38. };
  39. self.parameters = ko.observableArray(pigScript.parameters);
  40. self.addParameter = function () {
  41. self.parameters.push({name: '', value: ''});
  42. };
  43. self.removeParameter = function () {
  44. self.parameters.remove(this);
  45. };
  46. self.getParameters = function () {
  47. var params = {};
  48. var variables = this.script().match(/\$(\w)+/g);
  49. if (variables) {
  50. $.each(variables, function(index, param) {
  51. var p = param.substring(1);
  52. params[p] = '';
  53. $.each(self.parameters(), function(index, param) {
  54. if (param['name'] == p) {
  55. params[p] = param['value'];
  56. }
  57. });
  58. });
  59. }
  60. return params;
  61. };
  62. self.resources = ko.observableArray([]);
  63. ko.utils.arrayForEach(pigScript.resources, function (resource) {
  64. self.resources.push(new Resource({type: resource.type, value: resource.value}));
  65. });
  66. self.addResource = function () {
  67. self.resources.push(new Resource({type: 'file', value: ''}));
  68. };
  69. self.removeResource = function () {
  70. self.resources.remove(this);
  71. };
  72. }
  73. var Workflow = function (wf) {
  74. return {
  75. id: wf.id,
  76. scriptId: wf.scriptId,
  77. scriptContent: wf.scriptContent,
  78. lastModTime: wf.lastModTime,
  79. endTime: wf.endTime,
  80. status: wf.status,
  81. statusClass: "label " + getStatusClass(wf.status),
  82. isRunning: wf.isRunning,
  83. duration: wf.duration,
  84. appName: wf.appName,
  85. progress: wf.progress,
  86. progressPercent: wf.progressPercent,
  87. progressClass: "bar " + getStatusClass(wf.status, "bar-"),
  88. user: wf.user,
  89. absoluteUrl: wf.absoluteUrl,
  90. watchUrl: wf.watchUrl,
  91. canEdit: wf.canEdit,
  92. killUrl: wf.killUrl,
  93. created: wf.created,
  94. run: wf.run
  95. }
  96. }
  97. var PigViewModel = function (props) {
  98. var self = this;
  99. self.LABELS = props.labels;
  100. self.LIST_SCRIPTS = props.listScripts;
  101. self.SAVE_URL = props.saveUrl;
  102. self.RUN_URL = props.runUrl;
  103. self.STOP_URL = props.stopUrl;
  104. self.COPY_URL = props.copyUrl;
  105. self.DELETE_URL = props.deleteUrl;
  106. self.isLoading = ko.observable(false);
  107. self.allSelected = ko.observable(false);
  108. self.submissionVariables = ko.observableArray([]);
  109. self.scripts = ko.observableArray([]);
  110. self.filteredScripts = ko.observableArray(self.scripts());
  111. self.runningScripts = ko.observableArray([]);
  112. self.completedScripts = ko.observableArray([]);
  113. self.isDashboardLoaded = false;
  114. self.isDirty = ko.observable(false);
  115. var _defaultScript = {
  116. id: -1,
  117. name: self.LABELS.NEW_SCRIPT_NAME,
  118. script: self.LABELS.NEW_SCRIPT_CONTENT,
  119. parameters: self.LABELS.NEW_SCRIPT_PARAMETERS,
  120. resources: self.LABELS.NEW_SCRIPT_RESOURCES
  121. };
  122. self.currentScript = ko.observable(new PigScript(_defaultScript));
  123. self.loadingScript = null;
  124. self.currentDeleteType = ko.observable("");
  125. self.selectedScripts = ko.computed(function () {
  126. return ko.utils.arrayFilter(self.scripts(), function (script) {
  127. return script.selected();
  128. });
  129. }, self);
  130. self.selectedScript = ko.computed(function () {
  131. return self.selectedScripts()[0];
  132. }, self);
  133. self.selectAll = function () {
  134. self.allSelected(! self.allSelected());
  135. ko.utils.arrayForEach(self.scripts(), function (script) {
  136. script.selected(self.allSelected());
  137. });
  138. return true;
  139. };
  140. self.getScriptById = function (id) {
  141. var _s = null;
  142. ko.utils.arrayForEach(self.scripts(), function (script) {
  143. if (script.id() == id) {
  144. _s = script;
  145. }
  146. });
  147. return _s;
  148. }
  149. self.filterScripts = function (filter) {
  150. self.filteredScripts(ko.utils.arrayFilter(self.scripts(), function (script) {
  151. return script.isDesign() && script.name().toLowerCase().indexOf(filter.toLowerCase()) > -1
  152. }));
  153. };
  154. self.loadScript = function (id) {
  155. var _s = self.getScriptById(id);
  156. if (_s != null) {
  157. self.currentScript(_s);
  158. }
  159. else {
  160. self.currentScript(new PigScript(_defaultScript));
  161. }
  162. }
  163. self.confirmNewScript = function () {
  164. if (self.isDirty()) {
  165. showConfirmModal();
  166. }
  167. else {
  168. self.newScript();
  169. }
  170. };
  171. self.confirmScript = function () {
  172. if (self.loadingScript != null){
  173. self.viewScript(self.loadingScript);
  174. }
  175. else {
  176. self.newScript();
  177. }
  178. };
  179. self.newScript = function () {
  180. self.loadingScript = null;
  181. self.currentScript(new PigScript(_defaultScript));
  182. self.isDirty(false);
  183. $("#confirmModal").modal("hide");
  184. $(document).trigger("loadEditor");
  185. $(document).trigger("showEditor");
  186. };
  187. self.editScript = function (script) {
  188. $(document).trigger("showEditor");
  189. };
  190. self.editScriptProperties = function (script) {
  191. $(document).trigger("showProperties");
  192. };
  193. self.showScriptLogs = function (script) {
  194. $(document).trigger("showLogs");
  195. };
  196. self.confirmViewScript = function (script) {
  197. if (self.isDirty()) {
  198. self.loadingScript = script;
  199. showConfirmModal();
  200. }
  201. else {
  202. self.viewScript(script);
  203. }
  204. };
  205. self.viewScript = function (script) {
  206. self.loadingScript = null;
  207. self.currentScript(script);
  208. self.isDirty(false);
  209. $("#confirmModal").modal("hide");
  210. $(document).trigger("loadEditor");
  211. $(document).trigger("showEditor");
  212. };
  213. self.saveScript = function () {
  214. callSave(self.currentScript());
  215. viewModel.isDirty(false);
  216. };
  217. self.runScript = function () {
  218. callRun(self.currentScript());
  219. };
  220. self.copyScript = function () {
  221. callCopy(self.currentScript());
  222. viewModel.isDirty(true);
  223. };
  224. self.confirmDeleteScript = function () {
  225. self.currentDeleteType("single");
  226. showDeleteModal();
  227. };
  228. self.stopScript = function () {
  229. callStop(self.currentScript());
  230. };
  231. self.listRunScript = function () {
  232. self.currentScript(self.selectedScript());
  233. self.runOrShowSubmissionModal();
  234. };
  235. self.listCopyScript = function () {
  236. callCopy(self.selectedScript());
  237. };
  238. self.listConfirmDeleteScripts = function () {
  239. self.currentDeleteType("multiple");
  240. showDeleteModal();
  241. };
  242. self.deleteScripts = function () {
  243. var ids = [];
  244. if (self.currentDeleteType() == "single") {
  245. ids.push(self.currentScript().id());
  246. }
  247. if (self.currentDeleteType() == "multiple") {
  248. $(self.selectedScripts()).each(function (index, script) {
  249. ids.push(script.id());
  250. });
  251. }
  252. callDelete(ids);
  253. };
  254. self.updateScripts = function () {
  255. $.getJSON(self.LIST_SCRIPTS, function (data) {
  256. self.scripts(ko.utils.arrayMap(data, function (script) {
  257. return new PigScript(script);
  258. }));
  259. self.filteredScripts(self.scripts());
  260. $(document).trigger("scriptsRefreshed");
  261. });
  262. };
  263. self.updateDashboard = function (workflows) {
  264. self.isDashboardLoaded = true;
  265. var koWorkflows = ko.utils.arrayMap(workflows, function (wf) {
  266. return new Workflow(wf);
  267. });
  268. self.runningScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  269. return wf.isRunning
  270. }));
  271. self.completedScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  272. return !wf.isRunning
  273. }));
  274. }
  275. self.runOrShowSubmissionModal = function runOrShowSubmissionModal() {
  276. var script = self.currentScript();
  277. if (! $.isEmptyObject(script.getParameters())) {
  278. self.submissionVariables.removeAll();
  279. $.each(script.getParameters(), function (key, value) {
  280. self.submissionVariables.push({'name': key, 'value': value});
  281. });
  282. $("#runScriptBtn").button("reset");
  283. $("#runScriptBtn").attr("data-loading-text", $("#runScriptBtn").text() + " ...");
  284. $("#submitModal").modal({
  285. keyboard: true,
  286. show: true
  287. });
  288. } else {
  289. self.runScript();
  290. }
  291. };
  292. self.showStopModal = function showStopModal() {
  293. $("#stopScriptBtn").button("reset");
  294. $("#stopScriptBtn").attr("data-loading-text", $("#stopScriptBtn").text() + " ...");
  295. $("#stopModal").modal({
  296. keyboard: true,
  297. show: true
  298. });
  299. }
  300. self.showFileChooser = function showFileChooser() {
  301. var inputPath = this;
  302. var path = inputPath.value().substr(0, inputPath.value().lastIndexOf("/"));
  303. $("#filechooser").jHueFileChooser({
  304. initialPath: path,
  305. onFileChoose: function (filePath) {
  306. inputPath.value(filePath);
  307. $("#chooseFile").modal("hide");
  308. },
  309. createFolder: false
  310. });
  311. $("#chooseFile").modal("show");
  312. };
  313. function showDeleteModal() {
  314. $(".deleteMsg").addClass("hide");
  315. if (self.currentDeleteType() == "single") {
  316. $(".deleteMsg.single").removeClass("hide");
  317. }
  318. if (self.currentDeleteType() == "multiple") {
  319. if (self.selectedScripts().length > 1) {
  320. $(".deleteMsg.multiple").removeClass("hide");
  321. }
  322. else {
  323. $(".deleteMsg.single").removeClass("hide");
  324. }
  325. }
  326. $("#deleteModal").modal({
  327. keyboard: true,
  328. show: true
  329. });
  330. }
  331. function showStopModal() {
  332. $(".stopMsg").addClass("hide");
  333. if (self.currentStopType() == "single") {
  334. $(".stopMsg.single").removeClass("hide");
  335. }
  336. if (self.currentStopType() == "multiple") {
  337. if (self.selectedScripts().length > 1) {
  338. $(".stopMsg.multiple").removeClass("hide");
  339. } else {
  340. $(".stopMsg.single").removeClass("hide");
  341. }
  342. }
  343. $("#stopModal").modal({
  344. keyboard: true,
  345. show: true
  346. });
  347. }
  348. function showConfirmModal() {
  349. $("#confirmModal").modal({
  350. keyboard: true,
  351. show: true
  352. });
  353. }
  354. function callSave(script) {
  355. $(document).trigger("saving");
  356. $.post(self.SAVE_URL,
  357. {
  358. id: script.id(),
  359. name: script.name(),
  360. script: script.script(),
  361. parameters: ko.utils.stringifyJson(script.parameters()),
  362. resources: ko.toJSON(script.resources())
  363. },
  364. function (data) {
  365. self.currentScript().id(data.id);
  366. $(document).trigger("saved");
  367. self.updateScripts();
  368. }, "json");
  369. }
  370. function callRun(script) {
  371. self.currentScript(script);
  372. $(document).trigger("running");
  373. $.post(self.RUN_URL,
  374. {
  375. id: script.id(),
  376. name: script.name(),
  377. script: script.script(),
  378. parameters: ko.utils.stringifyJson(script.parameters()),
  379. submissionVariables: ko.utils.stringifyJson(self.submissionVariables()),
  380. resources: ko.toJSON(script.resources())
  381. },
  382. function (data) {
  383. if (data.id && self.currentScript().id() != data.id){
  384. script.id(data.id);
  385. $(document).trigger("loadEditor");
  386. }
  387. script.isRunning(true);
  388. script.watchUrl(data.watchUrl);
  389. $(document).trigger("startLogsRefresh");
  390. $(document).trigger("refreshDashboard");
  391. $(document).trigger("showLogs");
  392. self.updateScripts();
  393. $("#submitModal").modal("hide");
  394. }, "json");
  395. }
  396. function callStop(script) {
  397. $(document).trigger("stopping");
  398. $.post(self.STOP_URL, {
  399. id: script.id()
  400. },
  401. function (data) {
  402. $(document).trigger("stopped");
  403. $("#stopModal").modal("hide");
  404. }, "json");
  405. }
  406. function callCopy(script) {
  407. $.post(self.COPY_URL,
  408. {
  409. id: script.id()
  410. },
  411. function (data) {
  412. self.currentScript(new PigScript(data));
  413. $(document).trigger("loadEditor");
  414. self.updateScripts();
  415. }, "json");
  416. }
  417. function callDelete(ids) {
  418. if (ids.indexOf(self.currentScript().id()) > -1) {
  419. self.currentScript(new PigScript(_defaultScript));
  420. $(document).trigger("loadEditor");
  421. }
  422. $.post(self.DELETE_URL, {
  423. ids: ids.join(",")
  424. },
  425. function (data) {
  426. self.updateScripts();
  427. $("#deleteModal").modal("hide");
  428. viewModel.isDirty(false);
  429. }, "json");
  430. }
  431. self.viewSubmittedScript = function (workflow) {
  432. self.loadScript(workflow.scriptId);
  433. self.currentScript().script(workflow.scriptContent);
  434. self.currentScript().isRunning(true);
  435. self.currentScript().watchUrl(workflow.watchUrl);
  436. $(document).trigger("loadEditor");
  437. $(document).trigger("clearLogs");
  438. $(document).trigger("startLogsRefresh");
  439. $(document).trigger("showLogs");
  440. };
  441. self.showLogsInterval = -1;
  442. self.showLogsAtEnd = true;
  443. self.showLogs = function (workflow) {
  444. window.clearInterval(self.showLogsInterval);
  445. $("#logsModal pre").scroll(function () {
  446. self.showLogsAtEnd = $(this).scrollTop() + $(this).height() + 20 >= $(this)[0].scrollHeight;
  447. });
  448. if (workflow.isRunning) {
  449. $("#logsModal img").removeClass("hide");
  450. $("#logsModal pre").addClass("hide");
  451. $("#logsModal").modal({
  452. keyboard: true,
  453. show: true
  454. });
  455. $("#logsModal").on("hide", function () {
  456. window.clearInterval(self.showLogsInterval);
  457. });
  458. self.showLogsInterval = window.setInterval(function () {
  459. $.getJSON(workflow.watchUrl, function (data) {
  460. if (data.workflow && !data.workflow.isRunning) {
  461. window.clearInterval(self.showLogsInterval);
  462. }
  463. if (data.logs.pig) {
  464. $("#logsModal img").addClass("hide");
  465. $("#logsModal pre").removeClass("hide");
  466. var _logsEl = $("#logsModal pre");
  467. var newLines = data.logs.pig.split("\n").slice(_logsEl.text().split("\n").length);
  468. if (newLines.length > 0){
  469. _logsEl.text(_logsEl.text() + newLines.join("\n") + "\n");
  470. }
  471. if (self.showLogsAtEnd) {
  472. _logsEl.scrollTop(_logsEl[0].scrollHeight - _logsEl.height());
  473. }
  474. }
  475. });
  476. }, 1000);
  477. }
  478. };
  479. };