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