pig.ko.js 14 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. lastModTime: wf.lastModTime,
  78. endTime: wf.endTime,
  79. status: wf.status,
  80. statusClass: "label " + getStatusClass(wf.status),
  81. isRunning: wf.isRunning,
  82. duration: wf.duration,
  83. appName: wf.appName,
  84. progress: wf.progress,
  85. progressPercent: wf.progressPercent,
  86. progressClass: "bar " + getStatusClass(wf.status, "bar-"),
  87. user: wf.user,
  88. absoluteUrl: wf.absoluteUrl,
  89. watchUrl: wf.watchUrl,
  90. canEdit: wf.canEdit,
  91. killUrl: wf.killUrl,
  92. created: wf.created,
  93. run: wf.run
  94. }
  95. }
  96. var PigViewModel = function (props) {
  97. var self = this;
  98. self.LABELS = props.labels;
  99. self.LIST_SCRIPTS = props.listScripts;
  100. self.SAVE_URL = props.saveUrl;
  101. self.RUN_URL = props.runUrl;
  102. self.STOP_URL = props.stopUrl;
  103. self.COPY_URL = props.copyUrl;
  104. self.DELETE_URL = props.deleteUrl;
  105. self.isLoading = ko.observable(false);
  106. self.allSelected = ko.observable(false);
  107. self.submissionVariables = ko.observableArray([]);
  108. self.scripts = ko.observableArray([]);
  109. self.filteredScripts = ko.observableArray(self.scripts());
  110. self.runningScripts = ko.observableArray([]);
  111. self.completedScripts = ko.observableArray([]);
  112. self.isDashboardLoaded = false;
  113. var _defaultScript = {
  114. id: -1,
  115. name: self.LABELS.NEW_SCRIPT_NAME,
  116. script: self.LABELS.NEW_SCRIPT_CONTENT,
  117. parameters: self.LABELS.NEW_SCRIPT_PARAMETERS,
  118. resources: self.LABELS.NEW_SCRIPT_RESOURCES
  119. };
  120. self.currentScript = ko.observable(new PigScript(_defaultScript));
  121. self.currentDeleteType = ko.observable("");
  122. self.selectedScripts = ko.computed(function () {
  123. return ko.utils.arrayFilter(self.scripts(), function (script) {
  124. return script.selected();
  125. });
  126. }, self);
  127. self.selectedScript = ko.computed(function () {
  128. return self.selectedScripts()[0];
  129. }, self);
  130. self.selectAll = function () {
  131. self.allSelected(! self.allSelected());
  132. ko.utils.arrayForEach(self.scripts(), function (script) {
  133. script.selected(self.allSelected());
  134. });
  135. return true;
  136. };
  137. self.getScriptById = function (id) {
  138. var _s = null;
  139. ko.utils.arrayForEach(self.scripts(), function (script) {
  140. if (script.id() == id) {
  141. _s = script;
  142. }
  143. });
  144. return _s;
  145. }
  146. self.filterScripts = function (filter) {
  147. self.filteredScripts(ko.utils.arrayFilter(self.scripts(), function (script) {
  148. return script.isDesign() && script.name().toLowerCase().indexOf(filter.toLowerCase()) > -1
  149. }));
  150. };
  151. self.loadScript = function (id) {
  152. var _s = self.getScriptById(id);
  153. if (_s != null) {
  154. self.currentScript(_s);
  155. }
  156. else {
  157. self.currentScript(new PigScript(_defaultScript));
  158. }
  159. }
  160. self.newScript = function () {
  161. self.currentScript(new PigScript(_defaultScript));
  162. $(document).trigger("loadEditor");
  163. $(document).trigger("showEditor");
  164. };
  165. self.editScript = function (script) {
  166. $(document).trigger("showEditor");
  167. };
  168. self.editScriptProperties = function (script) {
  169. $(document).trigger("showProperties");
  170. };
  171. self.showScriptLogs = function (script) {
  172. $(document).trigger("showLogs");
  173. };
  174. self.viewScript = function (script) {
  175. self.currentScript(script);
  176. $(document).trigger("loadEditor");
  177. $(document).trigger("showEditor");
  178. };
  179. self.saveScript = function () {
  180. callSave(self.currentScript());
  181. };
  182. self.runScript = function () {
  183. callRun(self.currentScript());
  184. };
  185. self.copyScript = function () {
  186. callCopy(self.currentScript());
  187. };
  188. self.confirmDeleteScript = function () {
  189. self.currentDeleteType("single");
  190. showDeleteModal();
  191. };
  192. self.stopScript = function () {
  193. callStop(self.currentScript());
  194. };
  195. self.listRunScript = function () {
  196. callRun(self.selectedScript());
  197. };
  198. self.listCopyScript = function () {
  199. callCopy(self.selectedScript());
  200. };
  201. self.listConfirmDeleteScripts = function () {
  202. self.currentDeleteType("multiple");
  203. showDeleteModal();
  204. };
  205. self.deleteScripts = function () {
  206. var ids = [];
  207. if (self.currentDeleteType() == "single") {
  208. ids.push(self.currentScript().id());
  209. }
  210. if (self.currentDeleteType() == "multiple") {
  211. $(self.selectedScripts()).each(function (index, script) {
  212. ids.push(script.id());
  213. });
  214. }
  215. callDelete(ids);
  216. };
  217. self.updateScripts = function () {
  218. $.getJSON(self.LIST_SCRIPTS, function (data) {
  219. self.scripts(ko.utils.arrayMap(data, function (script) {
  220. return new PigScript(script);
  221. }));
  222. self.filteredScripts(self.scripts());
  223. $(document).trigger("scriptsRefreshed");
  224. });
  225. };
  226. self.updateDashboard = function (workflows) {
  227. self.isDashboardLoaded = true;
  228. var koWorkflows = ko.utils.arrayMap(workflows, function (wf) {
  229. return new Workflow(wf);
  230. });
  231. self.runningScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  232. return wf.isRunning
  233. }));
  234. self.completedScripts(ko.utils.arrayFilter(koWorkflows, function (wf) {
  235. return !wf.isRunning
  236. }));
  237. }
  238. self.runOrShowSubmissionModal = function runOrShowSubmissionModal() {
  239. var script = self.currentScript();
  240. if (! $.isEmptyObject(script.getParameters())) {
  241. self.submissionVariables.removeAll();
  242. $.each(script.getParameters(), function (key, value) {
  243. self.submissionVariables.push({'name': key, 'value': value});
  244. });
  245. $("#runScriptBtn").button("reset");
  246. $("#runScriptBtn").attr("data-loading-text", $("#runScriptBtn").text() + " ...");
  247. $("#submitModal").modal({
  248. keyboard: true,
  249. show: true
  250. });
  251. } else {
  252. self.runScript();
  253. }
  254. };
  255. self.showStopModal = function showStopModal() {
  256. $("#stopScriptBtn").button("reset");
  257. $("#stopScriptBtn").attr("data-loading-text", $("#stopScriptBtn").text() + " ...");
  258. $("#stopModal").modal({
  259. keyboard: true,
  260. show: true
  261. });
  262. }
  263. self.showFileChooser = function showFileChooser() {
  264. var inputPath = this;
  265. var path = inputPath.value().substr(0, inputPath.value().lastIndexOf("/"));
  266. $("#filechooser").jHueFileChooser({
  267. initialPath: path,
  268. onFileChoose: function (filePath) {
  269. inputPath.value(filePath);
  270. $("#chooseFile").modal("hide");
  271. },
  272. createFolder: false
  273. });
  274. $("#chooseFile").modal("show");
  275. };
  276. function showDeleteModal() {
  277. $(".deleteMsg").addClass("hide");
  278. if (self.currentDeleteType() == "single") {
  279. $(".deleteMsg.single").removeClass("hide");
  280. }
  281. if (self.currentDeleteType() == "multiple") {
  282. if (self.selectedScripts().length > 1) {
  283. $(".deleteMsg.multiple").removeClass("hide");
  284. }
  285. else {
  286. $(".deleteMsg.single").removeClass("hide");
  287. }
  288. }
  289. $("#deleteModal").modal({
  290. keyboard: true,
  291. show: true
  292. });
  293. }
  294. function showStopModal() {
  295. $(".stopMsg").addClass("hide");
  296. if (self.currentStopType() == "single") {
  297. $(".stopMsg.single").removeClass("hide");
  298. }
  299. if (self.currentStopType() == "multiple") {
  300. if (self.selectedScripts().length > 1) {
  301. $(".stopMsg.multiple").removeClass("hide");
  302. } else {
  303. $(".stopMsg.single").removeClass("hide");
  304. }
  305. }
  306. $("#stopModal").modal({
  307. keyboard: true,
  308. show: true
  309. });
  310. }
  311. function callSave(script) {
  312. $(document).trigger("saving");
  313. $.post(self.SAVE_URL,
  314. {
  315. id: script.id(),
  316. name: script.name(),
  317. script: script.script(),
  318. parameters: ko.utils.stringifyJson(script.parameters()),
  319. resources: ko.toJSON(script.resources())
  320. },
  321. function (data) {
  322. self.currentScript().id(data.id);
  323. $(document).trigger("saved");
  324. self.updateScripts();
  325. }, "json");
  326. }
  327. function callRun(script) {
  328. $(document).trigger("running");
  329. $.post(self.RUN_URL,
  330. {
  331. id: script.id(),
  332. name: script.name(),
  333. script: script.script(),
  334. parameters: ko.utils.stringifyJson(script.parameters()),
  335. submissionVariables: ko.utils.stringifyJson(self.submissionVariables()),
  336. resources: ko.toJSON(script.resources())
  337. },
  338. function (data) {
  339. if (data.id && self.currentScript().id() != data.id){
  340. self.currentScript(script);
  341. script.id(data.id);
  342. $(document).trigger("loadEditor");
  343. }
  344. script.isRunning(true);
  345. script.watchUrl(data.watchUrl);
  346. $(document).trigger("startLogsRefresh");
  347. $(document).trigger("refreshDashboard");
  348. $(document).trigger("showLogs");
  349. self.updateScripts();
  350. $("#submitModal").modal("hide");
  351. }, "json");
  352. }
  353. function callStop(script) {
  354. $(document).trigger("stopping");
  355. $.post(self.STOP_URL, {
  356. id: script.id()
  357. },
  358. function (data) {
  359. $(document).trigger("stopped");
  360. $("#stopModal").modal("hide");
  361. }, "json");
  362. }
  363. function callCopy(script) {
  364. $.post(self.COPY_URL,
  365. {
  366. id: script.id()
  367. },
  368. function (data) {
  369. self.currentScript(new PigScript(data));
  370. $(document).trigger("loadEditor");
  371. self.updateScripts();
  372. }, "json");
  373. }
  374. function callDelete(ids) {
  375. if (ids.indexOf(self.currentScript().id()) > -1) {
  376. self.currentScript(new PigScript(_defaultScript));
  377. $(document).trigger("loadEditor");
  378. }
  379. $.post(self.DELETE_URL,
  380. {
  381. ids: ids.join(",")
  382. },
  383. function (data) {
  384. self.updateScripts();
  385. $("#deleteModal").modal("hide");
  386. }, "json");
  387. }
  388. self.viewSubmittedScript = function (workflow) {
  389. self.loadScript(workflow.scriptId);
  390. self.currentScript().isRunning(true);
  391. self.currentScript().watchUrl(workflow.watchUrl);
  392. $(document).trigger("loadEditor");
  393. $(document).trigger("clearLogs");
  394. $(document).trigger("startLogsRefresh");
  395. $(document).trigger("showLogs");
  396. };
  397. self.showLogsInterval = -1;
  398. self.showLogsAtEnd = true;
  399. self.showLogs = function (workflow) {
  400. window.clearInterval(self.showLogsInterval);
  401. $("#logsModal pre").scroll(function () {
  402. self.showLogsAtEnd = $(this).scrollTop() + $(this).height() + 20 >= $(this)[0].scrollHeight;
  403. });
  404. if (workflow.isRunning) {
  405. $("#logsModal img").removeClass("hide");
  406. $("#logsModal pre").addClass("hide");
  407. $("#logsModal").modal({
  408. keyboard: true,
  409. show: true
  410. });
  411. $("#logsModal").on("hide", function () {
  412. window.clearInterval(self.showLogsInterval);
  413. });
  414. self.showLogsInterval = window.setInterval(function () {
  415. $.getJSON(workflow.watchUrl, function (data) {
  416. if (data.workflow && !data.workflow.isRunning) {
  417. window.clearInterval(self.showLogsInterval);
  418. }
  419. if (data.logs.pig) {
  420. $("#logsModal img").addClass("hide");
  421. $("#logsModal pre").removeClass("hide");
  422. var _logsEl = $("#logsModal pre");
  423. var newLines = data.logs.pig.split("\n").slice(_logsEl.text().split("\n").length);
  424. if (newLines.length > 0){
  425. _logsEl.text(_logsEl.text() + newLines.join("\n") + "\n");
  426. }
  427. if (self.showLogsAtEnd) {
  428. _logsEl.scrollTop(_logsEl[0].scrollHeight - _logsEl.height());
  429. }
  430. }
  431. });
  432. }, 1000);
  433. }
  434. };
  435. };