workflow-editor.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. ko.bindingHandlers.droppable = {
  17. init: function(element, valueAccessor) {
  18. var _dropElement = $(element);
  19. var _options = valueAccessor();
  20. if (_options.enabled){
  21. var _dropOptions = {
  22. hoverClass: 'drop-target-highlight',
  23. drop: _options.onDrop
  24. };
  25. _dropElement.droppable(_dropOptions);
  26. }
  27. }
  28. };
  29. function magicLayout(vm) {
  30. loadLayout(vm, vm.initial.layout);
  31. $(document).trigger("magicLayout");
  32. }
  33. function loadLayout(viewModel, json_layout) {
  34. var _columns = [];
  35. $(json_layout).each(function (cnt, json_col) {
  36. var _rows = [];
  37. $(json_col.rows).each(function (rcnt, json_row) {
  38. var row = new Row([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. row.addWidget(new Widget({
  41. size:widget.size,
  42. id: widget.id,
  43. name: widget.name,
  44. widgetType: widget.widgetType,
  45. properties: widget.properties,
  46. offset: widget.offset,
  47. loading: true,
  48. vm: viewModel
  49. }));
  50. });
  51. $(json_row.columns).each(function (ccnt, column) {
  52. var _irows = [];
  53. $(column.rows).each(function (ircnt, json_irow) {
  54. var _irow = new Row([], viewModel);
  55. $(json_irow.widgets).each(function (iwcnt, iwidget) {
  56. _irow.addWidget(new Widget({
  57. size:iwidget.size,
  58. id: iwidget.id,
  59. name: iwidget.name,
  60. widgetType: iwidget.widgetType,
  61. properties: iwidget.properties,
  62. offset: iwidget.offset,
  63. loading: true,
  64. vm: viewModel
  65. }));
  66. });
  67. _irows.push(_irow);
  68. });
  69. row.addColumn(new Column(column.size, _irows));
  70. });
  71. _rows.push(row);
  72. });
  73. var column = new Column(json_col.size, _rows);
  74. _columns = _columns.concat(column);
  75. });
  76. viewModel.columns(_columns);
  77. }
  78. // End dashboard lib
  79. var Node = function (node) {
  80. var self = this;
  81. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  82. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  83. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  84. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  85. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  86. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  87. self.get_link = function(name) {
  88. var _link = null;
  89. $.each(self.children(), function(index, link) {
  90. if (name in link) {
  91. _link = link;
  92. return false;
  93. }
  94. });
  95. return _link;
  96. }
  97. self.set_link = function(name, node_id) {
  98. var _link = {};
  99. $.each(self.children(), function(index, link) {
  100. if (name in link) {
  101. _link = link;
  102. return false;
  103. }
  104. });
  105. var notFound = $.isEmptyObject(_link);
  106. _link[name] = node_id;
  107. if (notFound) {
  108. self.children.push(_link);
  109. }
  110. }
  111. }
  112. var Workflow = function (vm, workflow) {
  113. var self = this;
  114. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  115. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  116. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  117. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  118. self.nodes = ko.observableArray([]);
  119. self.loadNodes = function(workflow) {
  120. var nodes = []
  121. $.each(workflow.nodes, function(index, node) {
  122. var _node = new Node(node);
  123. nodes.push(_node);
  124. });
  125. self.nodes(nodes)
  126. }
  127. self.newNode = function(widget) {
  128. $.ajax({
  129. type: "POST",
  130. url: "/oozie/editor/workflow/new_node/",
  131. data: {
  132. "workflow": ko.mapping.toJSON(workflow),
  133. "node": ko.mapping.toJSON(widget)
  134. },
  135. success: function (data) {
  136. if (data.status == 0) {
  137. viewModel.addActionProperties(data.properties);
  138. viewModel.addActionWorkflows(data.workflows);
  139. }
  140. },
  141. async: false
  142. });
  143. };
  144. self.addNode = function(widget) {
  145. // Todo get parent cell, link nodes... when we have the new layout
  146. $.post("/oozie/editor/workflow/add_node/", {
  147. "workflow": ko.mapping.toJSON(workflow),
  148. "node": ko.mapping.toJSON(widget),
  149. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  150. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  151. }, function (data) {
  152. if (data.status == 0) {
  153. var _node = ko.mapping.toJS(widget);
  154. _node.properties = data.properties;
  155. _node.name = data.name;
  156. var node = new Node(_node);
  157. // Add to list of nodes
  158. var end = self.nodes.pop();
  159. self.nodes.push(node);
  160. self.nodes.push(end);
  161. // if node != kill node
  162. // if was dragged on the sides ?
  163. // get neighbor
  164. // else
  165. // get parent
  166. var parent = self.nodes()[0];
  167. // if parent is start node
  168. if (self.nodes().length == 4) {
  169. // Star node link to new node
  170. parent.set_link('to', node.id());
  171. // Link to end
  172. node.set_link('ok', '33430f0f-ebfa-c3ec-f237-3e77efa03d0a');
  173. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  174. } else {
  175. // else if parent regular node
  176. var parent = self.nodes()[self.nodes().length - 3];
  177. node.set_link('ok', parent.get_link('ok'));
  178. parent.set_link('ok', node.id());
  179. }
  180. // else if parent fork/decision/join...
  181. } else {
  182. $(document).trigger("error", data.message);
  183. }
  184. }).fail(function (xhr, textStatus, errorThrown) {
  185. $(document).trigger("error", xhr.responseText);
  186. });
  187. };
  188. self.getNodeById = function (node_id) {
  189. var _node = null;
  190. $.each(self.nodes(), function (index, node) {
  191. if (node.id() == node_id) {
  192. _node = node;
  193. return false;
  194. }
  195. });
  196. return _node;
  197. }
  198. }
  199. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json) {
  200. var self = this;
  201. self.isNested = ko.observable(true);
  202. self.isEditing = ko.observable(true);
  203. self.toggleEditing = function () {
  204. self.isEditing(! self.isEditing());
  205. };
  206. self.columns = ko.observable([]);
  207. self.previewColumns = ko.observable("");
  208. self.workflow = new Workflow(self, workflow_json);
  209. self.credentials = ko.mapping.fromJSON(credentials_json);
  210. self.inited = ko.observable(self.columns().length > 0);
  211. self.init = function(callback) {
  212. loadLayout(self, layout_json);
  213. self.workflow.loadNodes(workflow_json);
  214. }
  215. self.depen = ko.observableArray(workflow_json.dependencies);
  216. self.addActionProperties = ko.observableArray([]);
  217. self.addActionWorkflows = ko.observableArray([]);
  218. self.selectedSubWorkflow = ko.observable();
  219. self.currentlyDraggedWidget = null;
  220. self.isDragging = ko.observable(false);
  221. self.setCurrentDraggedWidget = function (widget) {
  222. self.currentlyDraggedWidget = widget;
  223. }
  224. self.addDraggedWidget = function (row, atBeginning) {
  225. if (self.currentlyDraggedWidget != null) {
  226. var _w = new Widget({
  227. size: self.currentlyDraggedWidget.size(),
  228. id: UUID(),
  229. name: self.currentlyDraggedWidget.name(),
  230. widgetType: self.currentlyDraggedWidget.widgetType(),
  231. properties: self.currentlyDraggedWidget.properties(),
  232. offset: self.currentlyDraggedWidget.offset(),
  233. loading: true,
  234. vm: self
  235. });
  236. var _col = row.addEmptyColumn(atBeginning);
  237. var _row = new Row([_w], self);
  238. _col.addRow(_row);
  239. self.currentlyDraggedWidget = null;
  240. return _w;
  241. }
  242. }
  243. self.getWidgetById = function (widget_id) {
  244. var _widget = null;
  245. $.each(self.columns(), function (i, col) {
  246. $.each(col.rows(), function (j, row) {
  247. $.each(row.widgets(), function (z, widget) {
  248. if (widget.id() == widget_id){
  249. _widget = widget;
  250. return false;
  251. }
  252. });
  253. });
  254. });
  255. return _widget;
  256. }
  257. self.removeWidget = function (widget_json) {
  258. self.removeWidgetById(widget_json.id());
  259. }
  260. self.removeWidgetById = function (widget_id) {
  261. $.each(self.columns(), function (i, col) {
  262. self.deeplyRemoveWidgetById(widget_id, col, self)
  263. });
  264. }
  265. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  266. if (col) {
  267. $.each(col.rows(), function (j, row) {
  268. $.each(row.widgets(), function (z, widget) {
  269. if (widget.id() == widget_id) {
  270. row.widgets.remove(widget);
  271. col.rows.remove(row);
  272. }
  273. });
  274. $.each(row.columns(), function (i, icol) {
  275. self.deeplyRemoveWidgetById(widget_id, icol, row);
  276. });
  277. });
  278. if (col.rows().length == 0) {
  279. parent.columns.remove(col);
  280. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  281. parent.columns().forEach(function (icol) {
  282. icol.size(_size);
  283. });
  284. }
  285. }
  286. }
  287. self.getWidgetPredecessor = function (widget_id) {
  288. var _row = self.getWidgetParentRow(widget_id);
  289. var _col = self.getRowParentColumn(_row.id());
  290. var _prevRow = null;
  291. for (var i = 0; i < _col.rows().length; i++) {
  292. if (_col.rows()[i].id() == _row.id()) {
  293. break;
  294. }
  295. _prevRow = _col.rows()[i];
  296. }
  297. if (_prevRow != null) {
  298. return _prevRow.widgets()[0];
  299. }
  300. return null;
  301. }
  302. self.getWidgetParentRow = function (widget_id) {
  303. var _row = null;
  304. for (var i = 0; i < self.columns().length; i++) {
  305. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  306. if (_row != null) {
  307. break;
  308. }
  309. }
  310. return _row;
  311. }
  312. self.getRowParentColumn = function (row_id) {
  313. var _column = null;
  314. for (var i = 0; i < self.columns().length; i++) {
  315. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  316. }
  317. return _column;
  318. }
  319. self.getColumnParentRow = function (col_id) {
  320. var _row = null;
  321. for (var i = 0; i < self.columns().length; i++) {
  322. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  323. if (_row != null) {
  324. break;
  325. }
  326. }
  327. return _row;
  328. }
  329. self.getRowParentRow = function (row_id) {
  330. var _col = self.getRowParentColumn(row_id);
  331. if (_col != null) {
  332. return self.getColumnParentRow(_col.id());
  333. }
  334. }
  335. self.traverseColumnForColumn = function (row_id, col) {
  336. var _column = null;
  337. if (col) {
  338. for (var j = 0; j < col.rows().length; j++) {
  339. var row = col.rows()[j];
  340. if (row.id() == row_id) {
  341. _column = col;
  342. break;
  343. }
  344. for (var z = 0; z < row.columns().length; z++) {
  345. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  346. if (_column != null) {
  347. break;
  348. }
  349. }
  350. }
  351. }
  352. return _column;
  353. }
  354. self.traverseColumnForRow = function (col_id, col) {
  355. var _row = null;
  356. if (col) {
  357. for (var j = 0; j < col.rows().length; j++) {
  358. var row = col.rows()[j];
  359. for (var z = 0; z < row.columns().length; z++) {
  360. var _col = row.columns()[z];
  361. if (_col.id() == col_id) {
  362. _row = row;
  363. }
  364. else {
  365. _row = self.traverseColumnForRow(col_id, _col);
  366. }
  367. if (_row != null) {
  368. break;
  369. }
  370. }
  371. }
  372. }
  373. return _row;
  374. }
  375. self.traverseColumnForWidget = function (widget_id, col) {
  376. var _row = null;
  377. if (col) {
  378. for (var j = 0; j < col.rows().length; j++) {
  379. var row = col.rows()[j];
  380. for (var z = 0; z < row.widgets().length; z++) {
  381. var widget = row.widgets()[z];
  382. if (widget.id() == widget_id) {
  383. _row = row;
  384. break;
  385. }
  386. }
  387. for (var z = 0; z < row.columns().length; z++) {
  388. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  389. if (_row != null) {
  390. break;
  391. }
  392. }
  393. }
  394. }
  395. return _row;
  396. }
  397. self.save = function () {
  398. $.post("/oozie/editor/workflow/save/", {
  399. "layout": ko.mapping.toJSON(self.columns),
  400. "workflow": ko.mapping.toJSON(self.workflow)
  401. }, function (data) {
  402. if (data.status == 0) {
  403. self.workflow.id(data.id);
  404. $(document).trigger("info", data.message);
  405. if (window.location.search.indexOf("workflow") == -1) {
  406. window.location.hash = '#workflow=' + data.id;
  407. }
  408. }
  409. else {
  410. $(document).trigger("error", data.message);
  411. }
  412. }).fail(function (xhr, textStatus, errorThrown) {
  413. $(document).trigger("error", xhr.responseText);
  414. });
  415. };
  416. self.gen_xml = function () {
  417. $.post("/oozie/editor/workflow/gen_xml/", {
  418. "layout": ko.mapping.toJSON(self.columns),
  419. "workflow": ko.mapping.toJSON(self.workflow)
  420. }, function (data) {
  421. if (data.status == 0) {
  422. alert(data.xml);
  423. }
  424. else {
  425. $(document).trigger("error", data.message);
  426. }
  427. }).fail(function (xhr, textStatus, errorThrown) {
  428. $(document).trigger("error", xhr.responseText);
  429. });
  430. };
  431. self.showSubmitPopup = function () {
  432. // If self.workflow.id() == null, need to save wf for now
  433. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  434. }, function (data) {
  435. $(document).trigger("showSubmitPopup", data);
  436. }).fail(function (xhr, textStatus, errorThrown) {
  437. $(document).trigger("error", xhr.responseText);
  438. });
  439. };
  440. function bareWidgetBuilder(name, type){
  441. return new Widget({
  442. size: 12,
  443. id: UUID(),
  444. name: name,
  445. widgetType: type
  446. });
  447. }
  448. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  449. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  450. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  451. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  452. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  453. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  454. };