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.currentDeleteType = ko.observable("");
  124. self.selectedScripts = ko.computed(function () {
  125. return ko.utils.arrayFilter(self.scripts(), function (script) {
  126. return script.selected();
  127. });
  128. }, self);
  129. self.selectedScript = ko.computed(function () {
  130. return self.selectedScripts()[0];
  131. }, self);
  132. self.selectAll = function () {
  133. self.allSelected(! self.allSelected());
  134. ko.utils.arrayForEach(self.scripts(), function (script) {
  135. script.selected(self.allSelected());
  136. });
  137. return true;
  138. };
  139. self.getScriptById = function (id) {
  140. var _s = null;
  141. ko.utils.arrayForEach(self.scripts(), function (script) {
  142. if (script.id() == id) {
  143. _s = script;
  144. }
  145. });
  146. return _s;
  147. }
  148. self.filterScripts = function (filter) {
  149. self.filteredScripts(ko.utils.arrayFilter(self.scripts(), function (script) {
  150. return script.isDesign() && script.name().toLowerCase().indexOf(filter.toLowerCase()) > -1
  151. }));
  152. };
  153. self.loadScript = function (id) {
  154. var _s = self.getScriptById(id);
  155. if (_s != null) {
  156. self.currentScript(_s);
  157. }
  158. else {
  159. self.currentScript(new PigScript(_defaultScript));
  160. }
  161. }
  162. self.newScript = function () {
  163. self.currentScript(new PigScript(_defaultScript));
  164. $(document).trigger("loadEditor");
  165. $(document).trigger("showEditor");
  166. };
  167. self.editScript = function (script) {
  168. $(document).trigger("showEditor");
  169. };
  170. self.editScriptProperties = function (script) {
  171. $(document).trigger("showProperties");
  172. };
  173. self.showScriptLogs = function (script) {
  174. $(document).trigger("showLogs");
  175. };
  176. self.viewScript = function (script) {
  177. self.currentScript(script);
  178. $(document).trigger("loadEditor");
  179. $(document).trigger("showEditor");
  180. };
  181. self.saveScript = function () {
  182. callSave(self.currentScript());
  183. viewModel.isDirty(false);
  184. };
  185. self.runScript = function () {
  186. callRun(self.currentScript());
  187. };
  188. self.copyScript = function () {
  189. callCopy(self.currentScript());
  190. viewModel.isDirty(true);
  191. };
  192. self.confirmDeleteScript = function () {
  193. self.currentDeleteType("single");
  194. showDeleteModal();
  195. };
  196. self.stopScript = function () {
  197. callStop(self.currentScript());
  198. };
  199. self.listRunScript = function () {
  200. self.currentScript(self.selectedScript());
  201. self.runOrShowSubmissionModal();
  202. };
  203. self.listCopyScript = function () {
  204. callCopy(self.selectedScript());
  205. };
  206. self.listConfirmDeleteScripts = function () {
  207. self.currentDeleteType("multiple");
  208. showDeleteModal();
  209. };
  210. self.deleteScripts = function () {
  211. var ids = [];
  212. if (self.currentDeleteType() == "single") {
  213. ids.push(self.currentScript().id());
  214. }
  215. if (self.currentDeleteType() == "multiple") {
  216. $(self.selectedScripts()).each(function (index, script) {
  217. ids.push(script.id());
  218. });
  219. }
  220. callDelete(ids);
  221. };
  222. self.updateScripts = function () {
  223. $.getJSON(self.LIST_SCRIPTS, function (data) {
  224. self.scripts(ko.utils.arrayMap(data, function (script) {
  225. return new PigScript(script);
  226. }));
  227. self.filteredScripts(self.scripts());
  228. $(document).trigger("scriptsRefreshed");
  229. });
  230. };
  231. self.updateDashboard = function (workflows) {
  232. self.isDashboardLoaded = true;
  233. var koWorkflows = ko.utils.arrayMap(workflows, function (wf) {
  234. return new Workflow(wf);
  235. });
  236. self.runningScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  237. return wf.isRunning
  238. }));
  239. self.completedScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  240. return !wf.isRunning
  241. }));
  242. }
  243. self.runOrShowSubmissionModal = function runOrShowSubmissionModal() {
  244. var script = self.currentScript();
  245. if (! $.isEmptyObject(script.getParameters())) {
  246. self.submissionVariables.removeAll();
  247. $.each(script.getParameters(), function (key, value) {
  248. self.submissionVariables.push({'name': key, 'value': value});
  249. });
  250. $("#runScriptBtn").button("reset");
  251. $("#runScriptBtn").attr("data-loading-text", $("#runScriptBtn").text() + " ...");
  252. $("#submitModal").modal({
  253. keyboard: true,
  254. show: true
  255. });
  256. } else {
  257. self.runScript();
  258. }
  259. };
  260. self.showStopModal = function showStopModal() {
  261. $("#stopScriptBtn").button("reset");
  262. $("#stopScriptBtn").attr("data-loading-text", $("#stopScriptBtn").text() + " ...");
  263. $("#stopModal").modal({
  264. keyboard: true,
  265. show: true
  266. });
  267. }
  268. self.showFileChooser = function showFileChooser() {
  269. var inputPath = this;
  270. var path = inputPath.value().substr(0, inputPath.value().lastIndexOf("/"));
  271. $("#filechooser").jHueFileChooser({
  272. initialPath: path,
  273. onFileChoose: function (filePath) {
  274. inputPath.value(filePath);
  275. $("#chooseFile").modal("hide");
  276. },
  277. createFolder: false
  278. });
  279. $("#chooseFile").modal("show");
  280. };
  281. function showDeleteModal() {
  282. $(".deleteMsg").addClass("hide");
  283. if (self.currentDeleteType() == "single") {
  284. $(".deleteMsg.single").removeClass("hide");
  285. }
  286. if (self.currentDeleteType() == "multiple") {
  287. if (self.selectedScripts().length > 1) {
  288. $(".deleteMsg.multiple").removeClass("hide");
  289. }
  290. else {
  291. $(".deleteMsg.single").removeClass("hide");
  292. }
  293. }
  294. $("#deleteModal").modal({
  295. keyboard: true,
  296. show: true
  297. });
  298. }
  299. function showStopModal() {
  300. $(".stopMsg").addClass("hide");
  301. if (self.currentStopType() == "single") {
  302. $(".stopMsg.single").removeClass("hide");
  303. }
  304. if (self.currentStopType() == "multiple") {
  305. if (self.selectedScripts().length > 1) {
  306. $(".stopMsg.multiple").removeClass("hide");
  307. } else {
  308. $(".stopMsg.single").removeClass("hide");
  309. }
  310. }
  311. $("#stopModal").modal({
  312. keyboard: true,
  313. show: true
  314. });
  315. }
  316. function callSave(script) {
  317. $(document).trigger("saving");
  318. $.post(self.SAVE_URL,
  319. {
  320. id: script.id(),
  321. name: script.name(),
  322. script: script.script(),
  323. parameters: ko.utils.stringifyJson(script.parameters()),
  324. resources: ko.toJSON(script.resources())
  325. },
  326. function (data) {
  327. self.currentScript().id(data.id);
  328. $(document).trigger("saved");
  329. self.updateScripts();
  330. }, "json");
  331. }
  332. function callRun(script) {
  333. self.currentScript(script);
  334. $(document).trigger("running");
  335. $.post(self.RUN_URL,
  336. {
  337. id: script.id(),
  338. name: script.name(),
  339. script: script.script(),
  340. parameters: ko.utils.stringifyJson(script.parameters()),
  341. submissionVariables: ko.utils.stringifyJson(self.submissionVariables()),
  342. resources: ko.toJSON(script.resources())
  343. },
  344. function (data) {
  345. if (data.id && self.currentScript().id() != data.id){
  346. script.id(data.id);
  347. $(document).trigger("loadEditor");
  348. }
  349. script.isRunning(true);
  350. script.watchUrl(data.watchUrl);
  351. $(document).trigger("startLogsRefresh");
  352. $(document).trigger("refreshDashboard");
  353. $(document).trigger("showLogs");
  354. self.updateScripts();
  355. $("#submitModal").modal("hide");
  356. }, "json");
  357. }
  358. function callStop(script) {
  359. $(document).trigger("stopping");
  360. $.post(self.STOP_URL, {
  361. id: script.id()
  362. },
  363. function (data) {
  364. $(document).trigger("stopped");
  365. $("#stopModal").modal("hide");
  366. }, "json");
  367. }
  368. function callCopy(script) {
  369. $.post(self.COPY_URL,
  370. {
  371. id: script.id()
  372. },
  373. function (data) {
  374. self.currentScript(new PigScript(data));
  375. $(document).trigger("loadEditor");
  376. self.updateScripts();
  377. }, "json");
  378. }
  379. function callDelete(ids) {
  380. if (ids.indexOf(self.currentScript().id()) > -1) {
  381. self.currentScript(new PigScript(_defaultScript));
  382. $(document).trigger("loadEditor");
  383. }
  384. $.post(self.DELETE_URL, {
  385. ids: ids.join(",")
  386. },
  387. function (data) {
  388. self.updateScripts();
  389. $("#deleteModal").modal("hide");
  390. viewModel.isDirty(false);
  391. }, "json");
  392. }
  393. self.viewSubmittedScript = function (workflow) {
  394. self.loadScript(workflow.scriptId);
  395. self.currentScript().script(workflow.scriptContent);
  396. self.currentScript().isRunning(true);
  397. self.currentScript().watchUrl(workflow.watchUrl);
  398. $(document).trigger("loadEditor");
  399. $(document).trigger("clearLogs");
  400. $(document).trigger("startLogsRefresh");
  401. $(document).trigger("showLogs");
  402. };
  403. self.showLogsInterval = -1;
  404. self.showLogsAtEnd = true;
  405. self.showLogs = function (workflow) {
  406. window.clearInterval(self.showLogsInterval);
  407. $("#logsModal pre").scroll(function () {
  408. self.showLogsAtEnd = $(this).scrollTop() + $(this).height() + 20 >= $(this)[0].scrollHeight;
  409. });
  410. if (workflow.isRunning) {
  411. $("#logsModal img").removeClass("hide");
  412. $("#logsModal pre").addClass("hide");
  413. $("#logsModal").modal({
  414. keyboard: true,
  415. show: true
  416. });
  417. $("#logsModal").on("hide", function () {
  418. window.clearInterval(self.showLogsInterval);
  419. });
  420. self.showLogsInterval = window.setInterval(function () {
  421. $.getJSON(workflow.watchUrl, function (data) {
  422. if (data.workflow && !data.workflow.isRunning) {
  423. window.clearInterval(self.showLogsInterval);
  424. }
  425. if (data.logs.pig) {
  426. $("#logsModal img").addClass("hide");
  427. $("#logsModal pre").removeClass("hide");
  428. var _logsEl = $("#logsModal pre");
  429. var newLines = data.logs.pig.split("\n").slice(_logsEl.text().split("\n").length);
  430. if (newLines.length > 0){
  431. _logsEl.text(_logsEl.text() + newLines.join("\n") + "\n");
  432. }
  433. if (self.showLogsAtEnd) {
  434. _logsEl.scrollTop(_logsEl[0].scrollHeight - _logsEl.height());
  435. }
  436. }
  437. });
  438. }, 1000);
  439. }
  440. };
  441. };