workflow-editor.ko.js 35 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 loadColumns(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 ExtendedRow([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. var _w = new ExtendedWidget({
  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. row.addWidget(_w);
  51. });
  52. row.columns(loadColumns(viewModel, json_row.columns));
  53. _rows.push(row);
  54. });
  55. var column = new ExtendedColumn(json_col.size, _rows);
  56. _columns = _columns.concat(column);
  57. });
  58. return _columns;
  59. }
  60. function loadLayout(viewModel, json_layout) {
  61. var _cols = loadColumns(viewModel, json_layout);
  62. viewModel.oozieColumns(_cols);
  63. }
  64. // End dashboard lib
  65. var Node = function (node) {
  66. var self = this;
  67. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  68. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  69. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  70. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  71. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  72. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  73. self.actionParameters = ko.observableArray([]);
  74. self.actionParametersUI = ko.computed(function() { // TODO: remove truncation when autocomplete
  75. return $.map(self.actionParameters().slice(0, 3), function(param) {return param + '=...'}).join();
  76. });
  77. self.actionParametersFetched = ko.observable(false);
  78. self.get_link = function (name) {
  79. var _link = null;
  80. $.each(self.children(), function (index, link) {
  81. if (name in link) {
  82. _link = link;
  83. return false;
  84. }
  85. });
  86. return _link;
  87. }
  88. self.set_link = function (name, node_id) {
  89. var _link = self.get_link(name);
  90. if (_link == null) {
  91. _link = {}
  92. self.children.push(_link);
  93. }
  94. _link[name] = node_id;
  95. self.children.valueHasMutated();
  96. }
  97. self.remove_link = function (name, child) {
  98. var _link = null;
  99. $.each(self.children(), function (index, link) {
  100. var _l = ko.mapping.toJS(link);
  101. if (name in _l && _l[name] == child) {
  102. _link = link;
  103. return false;
  104. }
  105. });
  106. if (_link != null) {
  107. self.children.remove(_link);
  108. }
  109. }
  110. if (typeof self.properties.parameters != "undefined") { // Fetch once the possible variable when they exist
  111. self.properties.parameters.subscribe(function(newVal) { // TODO: only fetch when first time focus on one of the parameters and showing the autocomplete.
  112. if (newVal && ! self.actionParametersFetched()) {
  113. $.post("/oozie/editor/workflow/action/parameters/", {
  114. "node": ko.mapping.toJSON(self),
  115. }, function (data) {
  116. self.actionParametersFetched(true);
  117. self.actionParameters(data.parameters);
  118. }).fail(function (xhr, textStatus, errorThrown) {
  119. $(document).trigger("error", xhr.responseText);
  120. });
  121. }
  122. });
  123. }
  124. if (typeof self.properties.script_path != "undefined") {
  125. self.properties.script_path.subscribe(function() {
  126. self.actionParametersFetched(false);
  127. });
  128. }
  129. }
  130. var Workflow = function (vm, workflow) {
  131. var self = this;
  132. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  133. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  134. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  135. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  136. self.nodes = ko.observableArray([]);
  137. self.movedNode = null;
  138. self.nodeIds = ko.computed(function () {
  139. var mapping = [];
  140. $.each(self.nodes(), function (index, node) {
  141. mapping.push(node.id());
  142. });
  143. return mapping;
  144. });
  145. self.nodeNamesMapping = ko.computed(function () {
  146. var mapping = {};
  147. $.each(self.nodes(), function (index, node) {
  148. mapping[node.id()] = node.name();
  149. });
  150. return mapping;
  151. });
  152. self.linkMapping = ko.computed(function () {
  153. var mapping = {};
  154. $.each(self.nodes(), function (index, node) {
  155. var links = []
  156. $.each(node.children(), function (index, link) {
  157. if ('to' in link) {
  158. links.push(link['to']);
  159. }
  160. });
  161. mapping[node.id()] = links
  162. });
  163. return mapping;
  164. });
  165. self.linkMapping.subscribe(function (newVal) {
  166. $(document).trigger("drawArrows");
  167. });
  168. self.loadNodes = function (workflow) {
  169. var nodes = []
  170. $.each(workflow.nodes, function (index, node) {
  171. var _node = new Node(node);
  172. nodes.push(_node);
  173. });
  174. self.nodes(nodes)
  175. }
  176. self.newNode = function (widget, callback) {
  177. $.ajax({
  178. type: "POST",
  179. url: "/oozie/editor/workflow/new_node/",
  180. data: {
  181. "workflow": ko.mapping.toJSON(workflow),
  182. "node": ko.mapping.toJSON(widget)
  183. },
  184. success: function (data) {
  185. if (data.status == 0) {
  186. viewModel.addActionProperties(data.properties);
  187. viewModel.addActionWorkflows(data.workflows);
  188. if (callback) {
  189. callback(widget);
  190. }
  191. }
  192. },
  193. async: false
  194. });
  195. };
  196. self.addNode = function (widget) {
  197. $.post("/oozie/editor/workflow/add_node/", {
  198. "workflow": ko.mapping.toJSON(workflow),
  199. "node": ko.mapping.toJSON(widget),
  200. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  201. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}'
  202. }, function (data) {
  203. if (data.status == 0) {
  204. var _node = ko.mapping.toJS(widget);
  205. _node.properties = data.properties;
  206. _node.name = data.name;
  207. if (self.movedNode) {
  208. var node = self.movedNode;
  209. } else {
  210. var node = new Node(_node);
  211. }
  212. self.nodes.push(node);
  213. // If added to the side
  214. if (vm.currentlyCreatingFork) {
  215. var parentWidget = vm.getWidgetPredecessor(node.id());
  216. var parent = self.getNodeById(parentWidget.id());
  217. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  218. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  219. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  220. var fork = new Node(vm.currentlyCreatedFork);
  221. var join = new Node(vm.currentlyCreatedJoin);
  222. self.nodes.push(fork);
  223. self.nodes.push(join);
  224. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  225. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  226. var afterParent = self.getNodeById(afterParentId);
  227. fork.children.push({'to': afterParentId, 'condition': ''});
  228. fork.children.push({'to': node.id(), 'condition': ''});
  229. forkParent.get_link('to')['to'] = fork.id();
  230. var belowJoin = vm.getWidgetSuccessor(join.id());
  231. join.set_link('to', belowJoin.id());
  232. if (afterParent.type() == 'fork-widget') {
  233. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  234. } else {
  235. afterParent.set_link('to', join.id());
  236. }
  237. node.set_link('to', join.id());
  238. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  239. } else {
  240. // Just add to existing fork
  241. var join = vm.getWidgetSuccessor(node.id());
  242. node.set_link('to', join.id());
  243. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  244. parent.children.push({'to': node.id(), 'condition': ''});
  245. }
  246. } else {
  247. var parentWidget = vm.getWidgetPredecessor(node.id());
  248. var parent = self.getNodeById(parentWidget.id());
  249. if (widget.widgetType() == 'kill-widget') {
  250. parent.set_link('to', node.id());
  251. } else if (parentWidget.widgetType() == 'fork-widget') {
  252. var child = vm.getWidgetSuccessor(node.id());
  253. parent.remove_link('to', child.id());
  254. parent.children.push({'to': node.id(), 'condition': ''});
  255. node.set_link('to', child.id());
  256. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  257. } else {
  258. // Parent is regular node
  259. node.set_link('to', parent.get_link('to')['to']);
  260. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  261. parent.set_link('to', node.id());
  262. }
  263. }
  264. vm.currentlyCreatingFork = false;
  265. } else {
  266. $(document).trigger("error", data.message);
  267. }
  268. }).fail(function (xhr, textStatus, errorThrown) {
  269. $(document).trigger("error", xhr.responseText);
  270. });
  271. };
  272. self.removeNode = function (node_id) {
  273. var node = self.getNodeById(node_id);
  274. var parents = self.getParents(node_id);
  275. var parent = null;
  276. var childLink = null;
  277. if (node) {
  278. childLink = node.get_link('to');
  279. }
  280. if (childLink) {
  281. var childId = ko.mapping.toJS(childLink)['to'];
  282. $.each(parents, function (index, _parent) {
  283. _parent.remove_link('to', node_id);
  284. _parent.children.unshift({'to': childId});
  285. parent = _parent;
  286. });
  287. self.nodes.remove(node);
  288. // If need to remove fork
  289. if (parent.type() == 'fork-widget') {
  290. var fork = parent;
  291. var join = self.getNodeById(childId);
  292. if (join.type() == 'join-widget') {
  293. if (fork.children().length == 2) {
  294. // Link top to above and delete fork
  295. fork.remove_link('to', childId);
  296. var forkParent = self.getParents(fork.id())[0];
  297. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  298. self.nodes.remove(fork);
  299. // Link bottom to child of join
  300. var beboreJoin = self.getParents(childId)[0];
  301. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  302. beboreJoin.set_link('to', joinChildId);
  303. self.nodes.remove(join);
  304. } else {
  305. parent.remove_link('to', childId);
  306. }
  307. }
  308. } else if (parent.type() == 'decision-widget') {
  309. parent.remove_link('to', childId);
  310. }
  311. }
  312. else {
  313. self.nodes.remove(node);
  314. }
  315. };
  316. self.moveNode = function (widget) {
  317. var node = self.getNodeById(widget.id());
  318. self.movedNode = node;
  319. self.removeNode(node.id());
  320. self.addNode(widget);
  321. self.movedNode = null;
  322. };
  323. self.getParents = function (node_id) { // Join nodes can have multiple parents
  324. var _nodes = [];
  325. $.each(self.nodes(), function (index, node) {
  326. $.each(node.children(), function (index, link) {
  327. var _link = ko.mapping.toJS(link);
  328. if ('to' in _link && _link.to == node_id) {
  329. _nodes.push(node);
  330. }
  331. })
  332. });
  333. return _nodes;
  334. };
  335. self.getNodeById = function (node_id) {
  336. var _node = null;
  337. $.each(self.nodes(), function (index, node) {
  338. if (node.id() == node_id) {
  339. _node = node;
  340. return false;
  341. }
  342. });
  343. return _node;
  344. };
  345. }
  346. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json) {
  347. var self = this;
  348. self.isNested = ko.observable(true);
  349. self.isEditing = ko.observable(true);
  350. self.isEditing.subscribe(function (newVal) {
  351. $(document).trigger("editingToggled");
  352. });
  353. self.toggleEditing = function () {
  354. self.isEditing(!self.isEditing());
  355. };
  356. self.hasArrows = ko.observable(true);
  357. self.hasArrows.subscribe(function (newVal) {
  358. if (newVal){
  359. $(document).trigger("drawArrows");
  360. }
  361. else {
  362. $(document).trigger("removeArrows");
  363. }
  364. });
  365. self.toggleArrows = function () {
  366. self.hasArrows(!self.hasArrows());
  367. };
  368. self.newAction = ko.observable();
  369. self.columns = ko.observableArray([]);
  370. self.oozieColumns = ko.observableArray([]);
  371. self.previewColumns = ko.observable("");
  372. self.workflow = new Workflow(self, workflow_json);
  373. self.credentials = ko.mapping.fromJSON(credentials_json);
  374. self.inited = ko.observable(self.oozieColumns().length > 0);
  375. self.init = function (callback) {
  376. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  377. loadLayout(self, layout_json);
  378. self.workflow.loadNodes(workflow_json);
  379. }
  380. self.depen = ko.observableArray(workflow_json.dependencies);
  381. self.addActionProperties = ko.observableArray([]);
  382. self.addActionWorkflows = ko.observableArray(subworkflows_json);
  383. self.selectedSubWorkflow = ko.observable();
  384. self.currentlyDraggedWidget = ko.observable(null);
  385. self.currentlyDraggedOp = ko.observable("move");
  386. self.currentlyDraggedWidget.subscribe(function (widget) {
  387. toggleSideDrop(widget, false);
  388. });
  389. self.setCurrentlyDraggedWidget = function (widget, op) {
  390. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  391. self.currentlyDraggedWidget(widget);
  392. }
  393. self.enableSideDrop = function (widget) {
  394. toggleSideDrop(widget, true);
  395. }
  396. function toggleSideDrop(widget, enable) {
  397. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  398. var _row = self.getWidgetParentRow(widget.id());
  399. if (_row) {
  400. _row.enableOozieDropOnSide(enable);
  401. _row.enableOozieDropOnBefore(enable);
  402. var _parentRow = self.getRowParentRow(_row.id());
  403. if (_parentRow) {
  404. _parentRow.enableOozieDropOnSide(enable);
  405. if (_parentRow.columns().length <= 2) {
  406. _parentRow.columns().forEach(function (col) {
  407. col.enableOozieDropOnBefore(enable);
  408. col.enableOozieDropOnAfter(enable);
  409. col.rows()[0].enableOozieDropOnSide(enable);
  410. });
  411. var _prevParentRow = self.getPrevRow(_parentRow);
  412. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  413. _prevParentRow.enableOozieDropOnSide(enable);
  414. }
  415. }
  416. }
  417. var _col = self.getRowParentColumn(_row.id());
  418. if (self.getColumnParentRow(_col.id()) != null) {
  419. _col.enableOozieDropOnBefore(enable);
  420. _col.enableOozieDropOnAfter(enable);
  421. }
  422. var _prevRow = self.getPrevRow(_row);
  423. if (_prevRow) {
  424. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  425. _prevRow.enableOozieDropOnSide(enable);
  426. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  427. }
  428. }
  429. var _nextRow = self.getNextRow(_row);
  430. if (_nextRow) {
  431. _nextRow.enableOozieDropOnBefore(enable);
  432. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  433. _nextRow.enableOozieDropOnSide(enable);
  434. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  435. }
  436. }
  437. }
  438. }
  439. }
  440. self.currentlyCreatingFork = false;
  441. self.currentlyCreatedFork = null;
  442. self.currentlyCreatedJoin = null;
  443. self.isDragging = ko.observable(false);
  444. self.addDraggedWidget = function (target, atBeginning) {
  445. if (self.currentlyDraggedWidget() != null) {
  446. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  447. var _newRow = null;
  448. if (typeof atBeginning != "undefined") {
  449. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  450. if (atBeginning) {
  451. _newRow = _parentCol.addEmptyRow(false, 1);
  452. }
  453. else {
  454. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  455. }
  456. }
  457. else {
  458. _newRow = _parentCol.addEmptyRow(atBeginning);
  459. }
  460. }
  461. else {
  462. var _rowIdx = 0;
  463. $.each(_parentCol.rows(), function (i, irow) {
  464. if (irow.id() == target.id()) {
  465. _rowIdx = i;
  466. }
  467. });
  468. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  469. }
  470. var _w = new ExtendedWidget({
  471. size: self.currentlyDraggedWidget().size(),
  472. id: UUID(),
  473. name: self.currentlyDraggedWidget().name(),
  474. widgetType: self.currentlyDraggedWidget().widgetType(),
  475. properties: self.currentlyDraggedWidget().properties(),
  476. offset: self.currentlyDraggedWidget().offset(),
  477. loading: true,
  478. vm: self
  479. });
  480. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  481. self.removeWidgetById(self.currentlyDraggedWidget().id());
  482. _w = self.currentlyDraggedWidget();
  483. }
  484. _newRow.widgets([_w]);
  485. return _w;
  486. }
  487. }
  488. self.addSideDraggedWidget = function (row, atBeginning) {
  489. if (self.currentlyDraggedWidget() != null) {
  490. var _parentCol = self.getRowParentColumn(row.id());
  491. var _rowIdx = 0;
  492. $.each(_parentCol.rows(), function (i, irow) {
  493. if (irow.id() == row.id()) {
  494. _rowIdx = i;
  495. }
  496. });
  497. var _addForkAndJoin = (row.columns().length == 0);
  498. if (_addForkAndJoin) {
  499. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  500. var _id = UUID();
  501. var _fork = new ExtendedWidget({
  502. size: 12,
  503. id: _id,
  504. name: 'fork' + '-' + _id.slice(0, 4),
  505. widgetType: "fork-widget",
  506. properties: {},
  507. offset: 0,
  508. loading: true,
  509. vm: self
  510. });
  511. _forkRow.widgets([_fork]);
  512. }
  513. var _w = new ExtendedWidget({
  514. size: self.currentlyDraggedWidget().size(),
  515. id: UUID(),
  516. name: self.currentlyDraggedWidget().name(),
  517. widgetType: self.currentlyDraggedWidget().widgetType(),
  518. properties: self.currentlyDraggedWidget().properties(),
  519. offset: self.currentlyDraggedWidget().offset(),
  520. loading: true,
  521. vm: self
  522. });
  523. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  524. self.removeWidgetById(self.currentlyDraggedWidget().id());
  525. _w = self.currentlyDraggedWidget();
  526. }
  527. if (row.columns().length == 0) {
  528. var _col = row.addColumn(null, atBeginning);
  529. if (row.widgets().length > 0) {
  530. var _row = _col.addEmptyRow();
  531. row.widgets().forEach(function (widget) {
  532. _row.addWidget(widget);
  533. });
  534. if (row.widgets()[0].widgetType() == "fork-widget") {
  535. var _widgetsRow = self.getNextRow(row);
  536. var _joinRow = self.getNextRow(_widgetsRow);
  537. _col.rows.push(_widgetsRow);
  538. _col.rows.push(_joinRow);
  539. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  540. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  541. }
  542. row.widgets([]);
  543. }
  544. }
  545. var _col = row.addColumn(null, atBeginning);
  546. var _row = new ExtendedRow([_w], self);
  547. _col.addRow(_row);
  548. if (_addForkAndJoin) {
  549. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  550. var _id = UUID();
  551. var _join = new ExtendedWidget({
  552. size: 12,
  553. id: _id,
  554. name: "join" + '-' + _id.slice(0, 4),
  555. widgetType: "join-widget",
  556. properties: {},
  557. offset: 0,
  558. loading: true,
  559. vm: self
  560. });
  561. _joinRow.widgets([_join]);
  562. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  563. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  564. }
  565. self.currentlyCreatingFork = true;
  566. return _w;
  567. }
  568. }
  569. self.removeWidget = function (widget_json) {
  570. self.workflow.removeNode(widget_json.id());
  571. self.removeWidgetById(widget_json.id());
  572. }
  573. self.removeWidgetById = function (widget_id) {
  574. $.each(self.oozieColumns(), function (i, col) {
  575. self.deeplyRemoveWidgetById(widget_id, col, self)
  576. });
  577. }
  578. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  579. if (col) {
  580. $.each(col.rows(), function (j, row) {
  581. if (row && row.widgets()) {
  582. $.each(row.widgets(), function (z, widget) {
  583. if (widget.id() == widget_id) {
  584. row.widgets.remove(widget);
  585. col.rows.remove(row);
  586. }
  587. });
  588. }
  589. if (row && row.columns()) {
  590. $.each(row.columns(), function (i, icol) {
  591. self.deeplyRemoveWidgetById(widget_id, icol, row);
  592. });
  593. }
  594. });
  595. if (col.rows().length == 0) {
  596. parent.columns.remove(col);
  597. if (parent.columns().length > 1) {
  598. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  599. parent.columns().forEach(function (icol) {
  600. icol.size(_size);
  601. });
  602. }
  603. else {
  604. var _rows = parent.columns()[0].rows();
  605. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  606. var _prevRowIdx = -1;
  607. for (var i = 0; i < _parentRows().length; i++) {
  608. if (_parentRows()[i].id() == parent.id()) {
  609. break;
  610. }
  611. _prevRowIdx = i;
  612. }
  613. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  614. _parentRows.remove(_parentRows()[_prevRowIdx]);
  615. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  616. }
  617. for (var i = 0; i < _rows.length; i++) {
  618. if (i == 0) {
  619. parent.widgets(_rows[i].widgets());
  620. }
  621. else {
  622. _parentRows.push(_rows[i]);
  623. }
  624. }
  625. parent.columns([]);
  626. }
  627. }
  628. }
  629. }
  630. self.getWidgetRelative = function (widget_id, isPredecessor) {
  631. var _row = self.getWidgetParentRow(widget_id);
  632. var _col = self.getRowParentColumn(_row.id());
  633. var _nextRow = null;
  634. for (var i = 0; i < _col.rows().length; i++) {
  635. if (_col.rows()[i].id() == _row.id()) {
  636. if (!isPredecessor && _col.rows().length >= i + 1) {
  637. _nextRow = _col.rows()[i + 1];
  638. }
  639. break;
  640. }
  641. _nextRow = _col.rows()[i];
  642. }
  643. if (_nextRow != null) {
  644. return _nextRow.widgets()[0];
  645. }
  646. else {
  647. var _parentRow = self.getColumnParentRow(_col.id());
  648. if (_parentRow) {
  649. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  650. var _nextParentRow = null;
  651. for (var i = 0; i < _parentColumn.rows().length; i++) {
  652. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  653. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  654. _nextParentRow = _parentColumn.rows()[i + 1];
  655. }
  656. break;
  657. }
  658. _nextParentRow = _parentColumn.rows()[i];
  659. }
  660. if (_nextParentRow != null) {
  661. return _nextParentRow.widgets()[0];
  662. }
  663. }
  664. }
  665. return null;
  666. }
  667. self.getWidgetPredecessor = function (widget_id) {
  668. return self.getWidgetRelative(widget_id, true);
  669. }
  670. self.getWidgetSuccessor = function (widget_id) {
  671. return self.getWidgetRelative(widget_id, false);
  672. }
  673. self.isRowAfterFork = function (row) {
  674. var _parentColumn = self.getRowParentColumn(row.id());
  675. var _prevRow = null;
  676. for (var i = 0; i < _parentColumn.rows().length; i++) {
  677. var _currentRow = _parentColumn.rows()[i];
  678. if (_currentRow.id() == row.id()) {
  679. break;
  680. }
  681. _prevRow = _currentRow;
  682. }
  683. if (_prevRow != null) {
  684. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  685. }
  686. return false;
  687. }
  688. self.isRowBeforeJoin = function (row) {
  689. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  690. }
  691. self.getNextRow = function (row) {
  692. var _parentColumn = self.getRowParentColumn(row.id());
  693. var _nextParentRow = null;
  694. for (var i = 0; i < _parentColumn.rows().length; i++) {
  695. if (_parentColumn.rows()[i].id() == row.id()) {
  696. if (_parentColumn.rows().length >= i + 1) {
  697. _nextParentRow = _parentColumn.rows()[i + 1];
  698. }
  699. break;
  700. }
  701. _nextParentRow = _parentColumn.rows()[i];
  702. }
  703. return _nextParentRow;
  704. }
  705. self.getPrevRow = function (row) {
  706. var _parentColumn = self.getRowParentColumn(row.id());
  707. var _prevParentRow = null;
  708. for (var i = 0; i < _parentColumn.rows().length; i++) {
  709. if (_parentColumn.rows()[i].id() == row.id()) {
  710. if (i > 0) {
  711. _prevParentRow = _parentColumn.rows()[i - 1];
  712. }
  713. break;
  714. }
  715. _prevParentRow = _parentColumn.rows()[i];
  716. }
  717. return _prevParentRow;
  718. }
  719. self.getWidgetParentRow = function (widget_id) {
  720. var _row = null;
  721. for (var i = 0; i < self.oozieColumns().length; i++) {
  722. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  723. if (_row != null) {
  724. break;
  725. }
  726. }
  727. return _row;
  728. }
  729. self.getRowParentColumn = function (row_id) {
  730. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  731. }
  732. self.getColumnParentRow = function (col_id) {
  733. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  734. }
  735. self.getRowParentRow = function (row_id) {
  736. var _col = self.getRowParentColumn(row_id);
  737. if (_col != null) {
  738. return self.getColumnParentRow(_col.id());
  739. }
  740. }
  741. self.traverseColumnForColumn = function (row_id, col) {
  742. var _column = null;
  743. if (col) {
  744. for (var j = 0; j < col.rows().length; j++) {
  745. var row = col.rows()[j];
  746. for (var z = 0; z < row.columns().length; z++) {
  747. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  748. if (_column != null) {
  749. return _column;
  750. }
  751. }
  752. if (row.id() == row_id) {
  753. _column = col;
  754. return _column;
  755. }
  756. }
  757. }
  758. return _column;
  759. }
  760. self.traverseColumnForRow = function (col_id, col) {
  761. var _row = null;
  762. if (col) {
  763. for (var j = 0; j < col.rows().length; j++) {
  764. var row = col.rows()[j];
  765. for (var z = 0; z < row.columns().length; z++) {
  766. var _col = row.columns()[z];
  767. if (_col.id() == col_id) {
  768. _row = row;
  769. }
  770. else {
  771. _row = self.traverseColumnForRow(col_id, _col);
  772. }
  773. if (_row != null) {
  774. return _row;
  775. }
  776. }
  777. }
  778. }
  779. return _row;
  780. }
  781. self.traverseColumnForWidget = function (widget_id, col) {
  782. var _row = null;
  783. if (col) {
  784. for (var j = 0; j < col.rows().length; j++) {
  785. var row = col.rows()[j];
  786. for (var z = 0; z < row.widgets().length; z++) {
  787. var widget = row.widgets()[z];
  788. if (widget.id() == widget_id) {
  789. _row = row;
  790. break;
  791. }
  792. }
  793. if (_row != null) {
  794. break;
  795. }
  796. for (var z = 0; z < row.columns().length; z++) {
  797. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  798. if (_row != null) {
  799. break;
  800. }
  801. }
  802. }
  803. }
  804. return _row;
  805. }
  806. self.convertToDecision = function (widget, node) {
  807. if (widget.widgetType() == "fork-widget") {
  808. var _row = self.getWidgetParentRow(widget.id());
  809. var _next = self.getNextRow(_row);
  810. while (_next.widgets().length == 0) {
  811. _next = self.getNextRow(_next);
  812. }
  813. // Remove the join
  814. self.workflow.removeNode(_next.widgets()[0].id());
  815. self.removeWidgetById(_next.widgets()[0].id());
  816. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  817. widget.widgetType("decision-widget");
  818. node.type("decision-widget");
  819. var _newName = "decision-" + node.id().slice(0, 4);
  820. node.name(_newName);
  821. widget.name(_newName);
  822. $(document).trigger("drawArrows");
  823. }
  824. }
  825. self.save = function () {
  826. $.post("/oozie/editor/workflow/save/", {
  827. "layout": ko.mapping.toJSON(self.oozieColumns),
  828. "workflow": ko.mapping.toJSON(self.workflow)
  829. }, function (data) {
  830. if (data.status == 0) {
  831. if (self.workflow.id() == null) {
  832. shareViewModel.setDocId(data.doc1_id);
  833. }
  834. self.workflow.id(data.id);
  835. $(document).trigger("info", data.message);
  836. if (window.location.search.indexOf("workflow") == -1) {
  837. window.location.hash = '#workflow=' + data.id;
  838. }
  839. }
  840. else {
  841. $(document).trigger("error", data.message);
  842. }
  843. }).fail(function (xhr, textStatus, errorThrown) {
  844. $(document).trigger("error", xhr.responseText);
  845. });
  846. };
  847. self.gen_xml = function () {
  848. $.post("/oozie/editor/workflow/gen_xml/", {
  849. "layout": ko.mapping.toJSON(self.oozieColumns),
  850. "workflow": ko.mapping.toJSON(self.workflow)
  851. }, function (data) {
  852. if (data.status == 0) {
  853. console.log(data.xml);
  854. }
  855. else {
  856. $(document).trigger("error", data.message);
  857. }
  858. }).fail(function (xhr, textStatus, errorThrown) {
  859. $(document).trigger("error", xhr.responseText);
  860. });
  861. };
  862. self.import_workflows = function () {
  863. $.post("/oozie/editor/workflow/import_workflows/", {
  864. }, function (data) {
  865. if (data.status == 0) {
  866. console.log(data.json);
  867. }
  868. else {
  869. $(document).trigger("error", data.message);
  870. }
  871. }).fail(function (xhr, textStatus, errorThrown) {
  872. $(document).trigger("error", xhr.responseText);
  873. });
  874. };
  875. self.showSubmitPopup = function () {
  876. // If self.workflow.id() == null, need to save wf for now
  877. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  878. }, function (data) {
  879. $(document).trigger("showSubmitPopup", data);
  880. }).fail(function (xhr, textStatus, errorThrown) {
  881. $(document).trigger("error", xhr.responseText);
  882. });
  883. };
  884. function bareWidgetBuilder(name, type) {
  885. return new ExtendedWidget({
  886. size: 12,
  887. id: "",
  888. name: name,
  889. widgetType: type
  890. });
  891. }
  892. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  893. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  894. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  895. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  896. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  897. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  898. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  899. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  900. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  901. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  902. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  903. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  904. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  905. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  906. };
  907. function logGA(page) {
  908. if (typeof trackOnGA == 'function') {
  909. trackOnGA('oozie/editor/workflow' + page);
  910. }
  911. }
  912. var ExtendedColumn = function (size, rows) {
  913. var self = new Column(size, rows);
  914. self.rowPrototype = ExtendedRow;
  915. self.oozieStartRow = ko.computed(function () {
  916. var _row = null;
  917. ko.utils.arrayForEach(self.rows(), function (row) {
  918. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  919. _row = row;
  920. }
  921. });
  922. return _row;
  923. }, self);
  924. self.oozieEndRow = ko.computed(function () {
  925. var _row = null;
  926. ko.utils.arrayForEach(self.rows(), function (row) {
  927. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  928. _row = row;
  929. }
  930. });
  931. return _row;
  932. }, self);
  933. self.oozieKillRow = ko.computed(function () {
  934. var _row = null;
  935. ko.utils.arrayForEach(self.rows(), function (row) {
  936. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  937. _row = row;
  938. }
  939. });
  940. return _row;
  941. }, self);
  942. self.oozieRows = ko.computed(function () {
  943. var _rows = [];
  944. ko.utils.arrayForEach(self.rows(), function (row) {
  945. if ((row.widgets().length > 0 && ["3f107997-04cc-8733-60a9-a4bb62cebffc", "33430f0f-ebfa-c3ec-f237-3e77efa03d0a", "17c9c895-5a16-7443-bb81-f34b30b21548"].indexOf(row.widgets()[0].id()) == -1) || row.widgets().length == 0) {
  946. _rows.push(row);
  947. }
  948. });
  949. return _rows;
  950. }, self);
  951. self.enableOozieDropOnBefore = ko.observable(true);
  952. self.enableOozieDropOnAfter = ko.observable(true);
  953. return self;
  954. }
  955. var ExtendedRow = function (widgets, vm, columns) {
  956. var self = new Row(widgets, vm, columns);
  957. self.columnPrototype = ExtendedColumn;
  958. self.enableOozieDrop = ko.computed(function(){
  959. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  960. });
  961. self.enableOozieDropOnBefore = ko.observable(true);
  962. self.enableOozieDropOnSide = ko.observable(true);
  963. return self;
  964. }
  965. var ExtendedWidget = function (params) {
  966. var self = new Widget(params);
  967. self.oozieMovable = ko.computed(function() {
  968. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  969. });
  970. self.oozieExpanded = ko.observable(false);
  971. self.ooziePropertiesExpanded = ko.observable(false);
  972. return self;
  973. }