workflow-editor.ko.js 36 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() {
  75. if (typeof self.properties.parameters != "undefined") {
  76. var _vars = $.map(self.properties.parameters(), function(p, i) { return p.value().split('=', 1)[0]; });
  77. if (typeof self.actionParameters() == "undefined"){
  78. return _vars;
  79. }
  80. return $.grep(self.actionParameters(), function(param) {
  81. return _vars.indexOf(param) == -1;
  82. });
  83. }
  84. });
  85. self.actionParametersFetched = ko.observable(false);
  86. self.get_link = function (name) {
  87. var _link = null;
  88. $.each(self.children(), function (index, link) {
  89. if (name in link) {
  90. _link = link;
  91. return false;
  92. }
  93. });
  94. return _link;
  95. };
  96. self.set_link = function (name, node_id) {
  97. var _link = self.get_link(name);
  98. if (_link == null) {
  99. _link = {}
  100. self.children.push(_link);
  101. }
  102. _link[name] = node_id;
  103. self.children.valueHasMutated();
  104. };
  105. self.remove_link = function (name, child) {
  106. var _link = null;
  107. $.each(self.children(), function (index, link) {
  108. var _l = ko.mapping.toJS(link);
  109. if (name in _l && _l[name] == child) {
  110. _link = link;
  111. return false;
  112. }
  113. });
  114. if (_link != null) {
  115. self.children.remove(_link);
  116. }
  117. };
  118. self.fetch_parameters = function() {
  119. if (typeof self.properties.parameters != "undefined" && ! self.actionParametersFetched()) { // Fetch once the possible variable when they exist
  120. $.post("/oozie/editor/workflow/action/parameters/", {
  121. "node": ko.mapping.toJSON(self),
  122. }, function (data) {
  123. self.actionParametersFetched(true);
  124. self.actionParameters(data.parameters);
  125. if (data.parameters && data.parameters.length > 0 && self.properties.parameters().length == 0) { // If new node with variables, give a hint by adding a parameter
  126. self.properties.parameters.push(ko.mapping.fromJS({'value': ''}));
  127. }
  128. }).fail(function (xhr, textStatus, errorThrown) {
  129. $(document).trigger("error", xhr.responseText);
  130. });
  131. }
  132. };
  133. if (typeof self.properties.parameters != "undefined") {
  134. self.properties.parameters.subscribe(function(newVal) {
  135. if (newVal) {
  136. self.fetch_parameters();
  137. }
  138. });
  139. }
  140. if (typeof self.properties.script_path != "undefined") {
  141. self.properties.script_path.subscribe(function() {
  142. self.actionParametersFetched(false);
  143. });
  144. }
  145. }
  146. var Workflow = function (vm, workflow) {
  147. var self = this;
  148. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  149. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  150. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  151. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  152. self.nodes = ko.observableArray([]);
  153. self.movedNode = null;
  154. self.versions = ko.mapping.fromJS(['uri:oozie:workflow:0.4', 'uri:oozie:workflow:0.4.5', 'uri:oozie:workflow:0.5'])
  155. self.nodeIds = ko.computed(function () {
  156. var mapping = [];
  157. $.each(self.nodes(), function (index, node) {
  158. mapping.push(node.id());
  159. });
  160. return mapping;
  161. });
  162. self.nodeNamesMapping = ko.computed(function () {
  163. var mapping = {};
  164. $.each(self.nodes(), function (index, node) {
  165. mapping[node.id()] = node.name();
  166. });
  167. return mapping;
  168. });
  169. self.linkMapping = ko.computed(function () {
  170. var mapping = {};
  171. $.each(self.nodes(), function (index, node) {
  172. var links = []
  173. $.each(node.children(), function (index, link) {
  174. if ('to' in link) {
  175. links.push(link['to']);
  176. }
  177. });
  178. mapping[node.id()] = links
  179. });
  180. return mapping;
  181. });
  182. self.linkMapping.subscribe(function (newVal) {
  183. $(document).trigger("drawArrows");
  184. });
  185. self.loadNodes = function (workflow) {
  186. var nodes = []
  187. $.each(workflow.nodes, function (index, node) {
  188. var _node = new Node(node);
  189. nodes.push(_node);
  190. });
  191. self.nodes(nodes)
  192. }
  193. self.newNode = function (widget, callback) {
  194. $.ajax({
  195. type: "POST",
  196. url: "/oozie/editor/workflow/new_node/",
  197. data: {
  198. "workflow": ko.mapping.toJSON(workflow),
  199. "node": ko.mapping.toJSON(widget)
  200. },
  201. success: function (data) {
  202. if (data.status == 0) {
  203. viewModel.addActionProperties.removeAll();
  204. $.each(data.properties, function(i, prop) {
  205. viewModel.addActionProperties.push(ko.mapping.fromJS(prop));
  206. });
  207. if (data.workflows.length > 0) {
  208. viewModel.subworfklows(data.workflows);
  209. }
  210. if (callback) {
  211. callback(widget);
  212. }
  213. }
  214. },
  215. async: false
  216. });
  217. };
  218. self.addNode = function (widget) {
  219. $.post("/oozie/editor/workflow/add_node/", {
  220. "workflow": ko.mapping.toJSON(workflow),
  221. "node": ko.mapping.toJSON(widget),
  222. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  223. }, function (data) {
  224. if (data.status == 0) {
  225. var _node = ko.mapping.toJS(widget);
  226. _node.properties = data.properties;
  227. _node.name = data.name;
  228. if (self.movedNode) {
  229. var node = self.movedNode;
  230. } else {
  231. var node = new Node(_node);
  232. node.fetch_parameters();
  233. }
  234. self.nodes.push(node);
  235. // If added to the side
  236. if (vm.currentlyCreatingFork) {
  237. var parentWidget = vm.getWidgetPredecessor(node.id());
  238. var parent = self.getNodeById(parentWidget.id());
  239. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  240. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  241. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  242. var fork = new Node(vm.currentlyCreatedFork);
  243. var join = new Node(vm.currentlyCreatedJoin);
  244. self.nodes.push(fork);
  245. self.nodes.push(join);
  246. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  247. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  248. var afterParent = self.getNodeById(afterParentId);
  249. fork.children.push({'to': afterParentId, 'condition': ''});
  250. fork.children.push({'to': node.id(), 'condition': ''});
  251. forkParent.get_link('to')['to'] = fork.id();
  252. var belowJoin = vm.getWidgetSuccessor(join.id());
  253. join.set_link('to', belowJoin.id());
  254. if (afterParent.type() == 'fork-widget') {
  255. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  256. } else {
  257. afterParent.set_link('to', join.id());
  258. }
  259. node.set_link('to', join.id());
  260. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  261. } else {
  262. // Just add to existing fork
  263. var join = vm.getWidgetSuccessor(node.id());
  264. node.set_link('to', join.id());
  265. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  266. parent.children.push({'to': node.id(), 'condition': ''});
  267. }
  268. } else {
  269. var parentWidget = vm.getWidgetPredecessor(node.id());
  270. var parent = self.getNodeById(parentWidget.id());
  271. if (widget.widgetType() == 'kill-widget') {
  272. parent.set_link('to', node.id());
  273. } else if (parentWidget.widgetType() == 'fork-widget') {
  274. var child = vm.getWidgetSuccessor(node.id());
  275. parent.remove_link('to', child.id());
  276. parent.children.push({'to': node.id(), 'condition': ''});
  277. node.set_link('to', child.id());
  278. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  279. } else {
  280. // Parent is regular node
  281. node.set_link('to', parent.get_link('to')['to']);
  282. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  283. parent.set_link('to', node.id());
  284. }
  285. }
  286. vm.currentlyCreatingFork = false;
  287. } else {
  288. $(document).trigger("error", data.message);
  289. }
  290. }).fail(function (xhr, textStatus, errorThrown) {
  291. $(document).trigger("error", xhr.responseText);
  292. });
  293. };
  294. self.removeNode = function (node_id) {
  295. var node = self.getNodeById(node_id);
  296. var parents = self.getParents(node_id);
  297. var parent = null;
  298. var childLink = null;
  299. if (node) {
  300. childLink = node.get_link('to');
  301. }
  302. if (childLink) {
  303. var childId = ko.mapping.toJS(childLink)['to'];
  304. $.each(parents, function (index, _parent) {
  305. _parent.remove_link('to', node_id);
  306. _parent.children.unshift({'to': childId});
  307. parent = _parent;
  308. });
  309. self.nodes.remove(node);
  310. // If need to remove fork
  311. if (parent.type() == 'fork-widget') {
  312. var fork = parent;
  313. var join = self.getNodeById(childId);
  314. if (join.type() == 'join-widget') {
  315. if (fork.children().length == 2) {
  316. // Link top to above and delete fork
  317. fork.remove_link('to', childId);
  318. var forkParent = self.getParents(fork.id())[0];
  319. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  320. self.nodes.remove(fork);
  321. // Link bottom to child of join
  322. var beboreJoin = self.getParents(childId)[0];
  323. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  324. beboreJoin.set_link('to', joinChildId);
  325. self.nodes.remove(join);
  326. } else {
  327. parent.remove_link('to', childId);
  328. }
  329. }
  330. } else if (parent.type() == 'decision-widget') {
  331. parent.remove_link('to', childId);
  332. }
  333. }
  334. else {
  335. self.nodes.remove(node);
  336. }
  337. };
  338. self.moveNode = function (widget) {
  339. var node = self.getNodeById(widget.id());
  340. self.movedNode = node;
  341. self.removeNode(node.id());
  342. self.addNode(widget);
  343. self.movedNode = null;
  344. };
  345. self.getParents = function (node_id) { // Join nodes can have multiple parents
  346. var _nodes = [];
  347. $.each(self.nodes(), function (index, node) {
  348. $.each(node.children(), function (index, link) {
  349. var _link = ko.mapping.toJS(link);
  350. if ('to' in _link && _link.to == node_id) {
  351. _nodes.push(node);
  352. }
  353. })
  354. });
  355. return _nodes;
  356. };
  357. self.getNodeById = function (node_id) {
  358. var _node = null;
  359. $.each(self.nodes(), function (index, node) {
  360. if (node.id() == node_id) {
  361. _node = node;
  362. return false;
  363. }
  364. });
  365. return _node;
  366. };
  367. }
  368. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json) {
  369. var self = this;
  370. self.isNested = ko.observable(true);
  371. self.isEditing = ko.observable(true);
  372. self.isEditing.subscribe(function (newVal) {
  373. $(document).trigger("editingToggled");
  374. });
  375. self.toggleEditing = function () {
  376. self.isEditing(!self.isEditing());
  377. };
  378. self.hasArrows = ko.observable(true);
  379. self.hasArrows.subscribe(function (newVal) {
  380. if (newVal){
  381. $(document).trigger("drawArrows");
  382. }
  383. else {
  384. $(document).trigger("removeArrows");
  385. }
  386. });
  387. self.toggleArrows = function () {
  388. self.hasArrows(! self.hasArrows());
  389. };
  390. self.newAction = ko.observable();
  391. self.columns = ko.observableArray([]);
  392. self.oozieColumns = ko.observableArray([]);
  393. self.previewColumns = ko.observable("");
  394. self.workflow = new Workflow(self, workflow_json);
  395. self.credentials = ko.mapping.fromJSON(credentials_json);
  396. self.inited = ko.observable(self.oozieColumns().length > 0);
  397. self.init = function (callback) {
  398. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  399. loadLayout(self, layout_json);
  400. self.workflow.loadNodes(workflow_json);
  401. };
  402. self.addActionProperties = ko.observableArray([]);
  403. self.addActionPropertiesFilledOut = ko.computed(function (){
  404. var _filledInternalValues = function (val) {
  405. var _iAllFilled = true;
  406. val.forEach(function(iVal){
  407. if (iVal.value() == ''){
  408. _iAllFilled = false;
  409. }
  410. });
  411. return _iAllFilled;
  412. }
  413. var _allFilled = true;
  414. ko.utils.arrayForEach(self.addActionProperties(), function (property) {
  415. var _val = property.value();
  416. if (($.isArray(_val) && !_filledInternalValues(_val) ) || _val == ''){
  417. _allFilled = false;
  418. }
  419. });
  420. return _allFilled;
  421. });
  422. self.subworfklows = ko.observableArray(subworkflows_json);
  423. self.getSubWorkflow = function(uuid) {
  424. var wf = $.grep(self.subworfklows(), function(wf, i) {
  425. return wf.value == uuid;
  426. });
  427. if (wf[0]) {
  428. return ko.mapping.fromJS(wf[0]);
  429. }
  430. };
  431. self.currentlyDraggedWidget = ko.observable(null);
  432. self.currentlyDraggedOp = ko.observable("move");
  433. self.currentlyDraggedWidget.subscribe(function (widget) {
  434. toggleSideDrop(widget, false);
  435. });
  436. self.setCurrentlyDraggedWidget = function (widget, op) {
  437. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  438. self.currentlyDraggedWidget(widget);
  439. }
  440. self.enableSideDrop = function (widget) {
  441. toggleSideDrop(widget, true);
  442. }
  443. function toggleSideDrop(widget, enable) {
  444. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  445. var _row = self.getWidgetParentRow(widget.id());
  446. if (_row) {
  447. _row.enableOozieDropOnSide(enable);
  448. _row.enableOozieDropOnBefore(enable);
  449. var _parentRow = self.getRowParentRow(_row.id());
  450. if (_parentRow) {
  451. _parentRow.enableOozieDropOnSide(enable);
  452. if (_parentRow.columns().length <= 2) {
  453. _parentRow.columns().forEach(function (col) {
  454. col.enableOozieDropOnBefore(enable);
  455. col.enableOozieDropOnAfter(enable);
  456. col.rows()[0].enableOozieDropOnSide(enable);
  457. });
  458. var _prevParentRow = self.getPrevRow(_parentRow);
  459. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  460. _prevParentRow.enableOozieDropOnSide(enable);
  461. }
  462. }
  463. }
  464. var _col = self.getRowParentColumn(_row.id());
  465. if (self.getColumnParentRow(_col.id()) != null) {
  466. _col.enableOozieDropOnBefore(enable);
  467. _col.enableOozieDropOnAfter(enable);
  468. }
  469. var _prevRow = self.getPrevRow(_row);
  470. if (_prevRow) {
  471. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  472. _prevRow.enableOozieDropOnSide(enable);
  473. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  474. }
  475. }
  476. var _nextRow = self.getNextRow(_row);
  477. if (_nextRow) {
  478. _nextRow.enableOozieDropOnBefore(enable);
  479. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  480. _nextRow.enableOozieDropOnSide(enable);
  481. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  482. }
  483. }
  484. }
  485. }
  486. }
  487. self.currentlyCreatingFork = false;
  488. self.currentlyCreatedFork = null;
  489. self.currentlyCreatedJoin = null;
  490. self.isDragging = ko.observable(false);
  491. self.addDraggedWidget = function (target, atBeginning) {
  492. if (self.currentlyDraggedWidget() != null) {
  493. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  494. var _newRow = null;
  495. if (typeof atBeginning != "undefined") {
  496. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  497. if (atBeginning) {
  498. _newRow = _parentCol.addEmptyRow(false, 1);
  499. }
  500. else {
  501. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  502. }
  503. }
  504. else {
  505. _newRow = _parentCol.addEmptyRow(atBeginning);
  506. }
  507. }
  508. else {
  509. var _rowIdx = 0;
  510. $.each(_parentCol.rows(), function (i, irow) {
  511. if (irow.id() == target.id()) {
  512. _rowIdx = i;
  513. }
  514. });
  515. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  516. }
  517. var _w = new ExtendedWidget({
  518. size: self.currentlyDraggedWidget().size(),
  519. id: UUID(),
  520. name: self.currentlyDraggedWidget().name(),
  521. widgetType: self.currentlyDraggedWidget().widgetType(),
  522. properties: self.currentlyDraggedWidget().properties(),
  523. offset: self.currentlyDraggedWidget().offset(),
  524. loading: true,
  525. vm: self
  526. });
  527. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  528. self.removeWidgetById(self.currentlyDraggedWidget().id());
  529. _w = self.currentlyDraggedWidget();
  530. }
  531. _newRow.widgets([_w]);
  532. return _w;
  533. }
  534. }
  535. self.addSideDraggedWidget = function (row, atBeginning) {
  536. if (self.currentlyDraggedWidget() != null) {
  537. var _parentCol = self.getRowParentColumn(row.id());
  538. var _rowIdx = 0;
  539. $.each(_parentCol.rows(), function (i, irow) {
  540. if (irow.id() == row.id()) {
  541. _rowIdx = i;
  542. }
  543. });
  544. var _addForkAndJoin = (row.columns().length == 0);
  545. if (_addForkAndJoin) {
  546. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  547. var _id = UUID();
  548. var _fork = new ExtendedWidget({
  549. size: 12,
  550. id: _id,
  551. name: 'fork' + '-' + _id.slice(0, 4),
  552. widgetType: "fork-widget",
  553. properties: {},
  554. offset: 0,
  555. loading: true,
  556. vm: self
  557. });
  558. _forkRow.widgets([_fork]);
  559. }
  560. var _w = new ExtendedWidget({
  561. size: self.currentlyDraggedWidget().size(),
  562. id: UUID(),
  563. name: self.currentlyDraggedWidget().name(),
  564. widgetType: self.currentlyDraggedWidget().widgetType(),
  565. properties: self.currentlyDraggedWidget().properties(),
  566. offset: self.currentlyDraggedWidget().offset(),
  567. loading: true,
  568. vm: self
  569. });
  570. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  571. self.removeWidgetById(self.currentlyDraggedWidget().id());
  572. _w = self.currentlyDraggedWidget();
  573. }
  574. if (row.columns().length == 0) {
  575. var _col = row.addColumn(null, atBeginning);
  576. if (row.widgets().length > 0) {
  577. var _row = _col.addEmptyRow();
  578. row.widgets().forEach(function (widget) {
  579. _row.addWidget(widget);
  580. });
  581. if (row.widgets()[0].widgetType() == "fork-widget") {
  582. var _widgetsRow = self.getNextRow(row);
  583. var _joinRow = self.getNextRow(_widgetsRow);
  584. _col.rows.push(_widgetsRow);
  585. _col.rows.push(_joinRow);
  586. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  587. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  588. }
  589. row.widgets([]);
  590. }
  591. }
  592. var _col = row.addColumn(null, atBeginning);
  593. var _row = new ExtendedRow([_w], self);
  594. _col.addRow(_row);
  595. if (_addForkAndJoin) {
  596. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  597. var _id = UUID();
  598. var _join = new ExtendedWidget({
  599. size: 12,
  600. id: _id,
  601. name: "join" + '-' + _id.slice(0, 4),
  602. widgetType: "join-widget",
  603. properties: {},
  604. offset: 0,
  605. loading: true,
  606. vm: self
  607. });
  608. _joinRow.widgets([_join]);
  609. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  610. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  611. }
  612. self.currentlyCreatingFork = true;
  613. return _w;
  614. }
  615. }
  616. self.removeWidget = function (widget_json) {
  617. self.workflow.removeNode(widget_json.id());
  618. self.removeWidgetById(widget_json.id());
  619. }
  620. self.removeWidgetById = function (widget_id) {
  621. $.each(self.oozieColumns(), function (i, col) {
  622. self.deeplyRemoveWidgetById(widget_id, col, self)
  623. });
  624. }
  625. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  626. if (col) {
  627. $.each(col.rows(), function (j, row) {
  628. if (row && row.widgets()) {
  629. $.each(row.widgets(), function (z, widget) {
  630. if (widget.id() == widget_id) {
  631. row.widgets.remove(widget);
  632. col.rows.remove(row);
  633. }
  634. });
  635. }
  636. if (row && row.columns()) {
  637. $.each(row.columns(), function (i, icol) {
  638. self.deeplyRemoveWidgetById(widget_id, icol, row);
  639. });
  640. }
  641. });
  642. if (col.rows().length == 0) {
  643. parent.columns.remove(col);
  644. if (parent.columns().length > 1) {
  645. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  646. parent.columns().forEach(function (icol) {
  647. icol.size(_size);
  648. });
  649. }
  650. else {
  651. var _rows = parent.columns()[0].rows();
  652. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  653. var _prevRowIdx = -1;
  654. for (var i = 0; i < _parentRows().length; i++) {
  655. if (_parentRows()[i].id() == parent.id()) {
  656. break;
  657. }
  658. _prevRowIdx = i;
  659. }
  660. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  661. _parentRows.remove(_parentRows()[_prevRowIdx]);
  662. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  663. }
  664. for (var i = 0; i < _rows.length; i++) {
  665. if (i == 0) {
  666. parent.widgets(_rows[i].widgets());
  667. }
  668. else {
  669. _parentRows.push(_rows[i]);
  670. }
  671. }
  672. parent.columns([]);
  673. }
  674. }
  675. }
  676. }
  677. self.getWidgetRelative = function (widget_id, isPredecessor) {
  678. var _row = self.getWidgetParentRow(widget_id);
  679. var _col = self.getRowParentColumn(_row.id());
  680. var _nextRow = null;
  681. for (var i = 0; i < _col.rows().length; i++) {
  682. if (_col.rows()[i].id() == _row.id()) {
  683. if (!isPredecessor && _col.rows().length >= i + 1) {
  684. _nextRow = _col.rows()[i + 1];
  685. }
  686. break;
  687. }
  688. _nextRow = _col.rows()[i];
  689. }
  690. if (_nextRow != null) {
  691. return _nextRow.widgets()[0];
  692. }
  693. else {
  694. var _parentRow = self.getColumnParentRow(_col.id());
  695. if (_parentRow) {
  696. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  697. var _nextParentRow = null;
  698. for (var i = 0; i < _parentColumn.rows().length; i++) {
  699. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  700. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  701. _nextParentRow = _parentColumn.rows()[i + 1];
  702. }
  703. break;
  704. }
  705. _nextParentRow = _parentColumn.rows()[i];
  706. }
  707. if (_nextParentRow != null) {
  708. return _nextParentRow.widgets()[0];
  709. }
  710. }
  711. }
  712. return null;
  713. }
  714. self.getWidgetPredecessor = function (widget_id) {
  715. return self.getWidgetRelative(widget_id, true);
  716. }
  717. self.getWidgetSuccessor = function (widget_id) {
  718. return self.getWidgetRelative(widget_id, false);
  719. }
  720. self.isRowAfterFork = function (row) {
  721. var _parentColumn = self.getRowParentColumn(row.id());
  722. var _prevRow = null;
  723. for (var i = 0; i < _parentColumn.rows().length; i++) {
  724. var _currentRow = _parentColumn.rows()[i];
  725. if (_currentRow.id() == row.id()) {
  726. break;
  727. }
  728. _prevRow = _currentRow;
  729. }
  730. if (_prevRow != null) {
  731. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  732. }
  733. return false;
  734. }
  735. self.isRowBeforeJoin = function (row) {
  736. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  737. }
  738. self.getNextRow = function (row) {
  739. var _parentColumn = self.getRowParentColumn(row.id());
  740. var _nextParentRow = null;
  741. for (var i = 0; i < _parentColumn.rows().length; i++) {
  742. if (_parentColumn.rows()[i].id() == row.id()) {
  743. if (_parentColumn.rows().length >= i + 1) {
  744. _nextParentRow = _parentColumn.rows()[i + 1];
  745. }
  746. break;
  747. }
  748. _nextParentRow = _parentColumn.rows()[i];
  749. }
  750. return _nextParentRow;
  751. }
  752. self.getPrevRow = function (row) {
  753. var _parentColumn = self.getRowParentColumn(row.id());
  754. var _prevParentRow = null;
  755. for (var i = 0; i < _parentColumn.rows().length; i++) {
  756. if (_parentColumn.rows()[i].id() == row.id()) {
  757. if (i > 0) {
  758. _prevParentRow = _parentColumn.rows()[i - 1];
  759. }
  760. break;
  761. }
  762. _prevParentRow = _parentColumn.rows()[i];
  763. }
  764. return _prevParentRow;
  765. }
  766. self.getWidgetParentRow = function (widget_id) {
  767. var _row = null;
  768. for (var i = 0; i < self.oozieColumns().length; i++) {
  769. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  770. if (_row != null) {
  771. break;
  772. }
  773. }
  774. return _row;
  775. }
  776. self.getRowParentColumn = function (row_id) {
  777. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  778. }
  779. self.getColumnParentRow = function (col_id) {
  780. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  781. }
  782. self.getRowParentRow = function (row_id) {
  783. var _col = self.getRowParentColumn(row_id);
  784. if (_col != null) {
  785. return self.getColumnParentRow(_col.id());
  786. }
  787. }
  788. self.traverseColumnForColumn = function (row_id, col) {
  789. var _column = 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.columns().length; z++) {
  794. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  795. if (_column != null) {
  796. return _column;
  797. }
  798. }
  799. if (row.id() == row_id) {
  800. _column = col;
  801. return _column;
  802. }
  803. }
  804. }
  805. return _column;
  806. }
  807. self.traverseColumnForRow = function (col_id, col) {
  808. var _row = null;
  809. if (col) {
  810. for (var j = 0; j < col.rows().length; j++) {
  811. var row = col.rows()[j];
  812. for (var z = 0; z < row.columns().length; z++) {
  813. var _col = row.columns()[z];
  814. if (_col.id() == col_id) {
  815. _row = row;
  816. }
  817. else {
  818. _row = self.traverseColumnForRow(col_id, _col);
  819. }
  820. if (_row != null) {
  821. return _row;
  822. }
  823. }
  824. }
  825. }
  826. return _row;
  827. }
  828. self.traverseColumnForWidget = function (widget_id, col) {
  829. var _row = null;
  830. if (col) {
  831. for (var j = 0; j < col.rows().length; j++) {
  832. var row = col.rows()[j];
  833. for (var z = 0; z < row.widgets().length; z++) {
  834. var widget = row.widgets()[z];
  835. if (widget.id() == widget_id) {
  836. _row = row;
  837. break;
  838. }
  839. }
  840. if (_row != null) {
  841. break;
  842. }
  843. for (var z = 0; z < row.columns().length; z++) {
  844. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  845. if (_row != null) {
  846. break;
  847. }
  848. }
  849. }
  850. }
  851. return _row;
  852. }
  853. self.convertToDecision = function (widget, node) {
  854. if (widget.widgetType() == "fork-widget") {
  855. var _row = self.getWidgetParentRow(widget.id());
  856. var _next = self.getNextRow(_row);
  857. while (_next.widgets().length == 0) {
  858. _next = self.getNextRow(_next);
  859. }
  860. // Remove the join
  861. self.workflow.removeNode(_next.widgets()[0].id());
  862. self.removeWidgetById(_next.widgets()[0].id());
  863. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  864. widget.widgetType("decision-widget");
  865. node.type("decision-widget");
  866. var _newName = "decision-" + node.id().slice(0, 4);
  867. node.name(_newName);
  868. widget.name(_newName);
  869. $(document).trigger("drawArrows");
  870. }
  871. }
  872. self.save = function () {
  873. $.post("/oozie/editor/workflow/save/", {
  874. "layout": ko.mapping.toJSON(self.oozieColumns),
  875. "workflow": ko.mapping.toJSON(self.workflow)
  876. }, function (data) {
  877. if (data.status == 0) {
  878. if (self.workflow.id() == null) {
  879. shareViewModel.setDocId(data.doc1_id);
  880. }
  881. self.workflow.id(data.id);
  882. $(document).trigger("info", data.message);
  883. if (window.location.search.indexOf("workflow") == -1) {
  884. window.location.hash = '#workflow=' + data.id;
  885. }
  886. }
  887. else {
  888. $(document).trigger("error", data.message);
  889. }
  890. }).fail(function (xhr, textStatus, errorThrown) {
  891. $(document).trigger("error", xhr.responseText);
  892. });
  893. };
  894. self.gen_xml = function () {
  895. $.post("/oozie/editor/workflow/gen_xml/", {
  896. "layout": ko.mapping.toJSON(self.oozieColumns),
  897. "workflow": ko.mapping.toJSON(self.workflow)
  898. }, function (data) {
  899. if (data.status == 0) {
  900. console.log(data.xml);
  901. }
  902. else {
  903. $(document).trigger("error", data.message);
  904. }
  905. }).fail(function (xhr, textStatus, errorThrown) {
  906. $(document).trigger("error", xhr.responseText);
  907. });
  908. };
  909. self.showSubmitPopup = function () {
  910. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  911. }, function (data) {
  912. $(document).trigger("showSubmitPopup", data);
  913. }).fail(function (xhr, textStatus, errorThrown) {
  914. $(document).trigger("error", xhr.responseText);
  915. });
  916. };
  917. function bareWidgetBuilder(name, type) {
  918. return new ExtendedWidget({
  919. size: 12,
  920. id: "",
  921. name: name,
  922. widgetType: type
  923. });
  924. }
  925. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  926. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  927. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  928. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  929. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  930. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  931. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  932. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  933. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  934. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  935. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  936. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  937. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  938. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  939. };
  940. function logGA(page) {
  941. if (typeof trackOnGA == 'function') {
  942. trackOnGA('oozie/editor/workflow' + page);
  943. }
  944. }
  945. var ExtendedColumn = function (size, rows) {
  946. var self = new Column(size, rows);
  947. self.rowPrototype = ExtendedRow;
  948. self.oozieStartRow = ko.computed(function () {
  949. var _row = null;
  950. ko.utils.arrayForEach(self.rows(), function (row) {
  951. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  952. _row = row;
  953. }
  954. });
  955. return _row;
  956. }, self);
  957. self.oozieEndRow = ko.computed(function () {
  958. var _row = null;
  959. ko.utils.arrayForEach(self.rows(), function (row) {
  960. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  961. _row = row;
  962. }
  963. });
  964. return _row;
  965. }, self);
  966. self.oozieKillRow = ko.computed(function () {
  967. var _row = null;
  968. ko.utils.arrayForEach(self.rows(), function (row) {
  969. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  970. _row = row;
  971. }
  972. });
  973. return _row;
  974. }, self);
  975. self.oozieRows = ko.computed(function () {
  976. var _rows = [];
  977. ko.utils.arrayForEach(self.rows(), function (row) {
  978. 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) {
  979. _rows.push(row);
  980. }
  981. });
  982. return _rows;
  983. }, self);
  984. self.enableOozieDropOnBefore = ko.observable(true);
  985. self.enableOozieDropOnAfter = ko.observable(true);
  986. return self;
  987. }
  988. var ExtendedRow = function (widgets, vm, columns) {
  989. var self = new Row(widgets, vm, columns);
  990. self.columnPrototype = ExtendedColumn;
  991. self.enableOozieDrop = ko.computed(function(){
  992. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  993. });
  994. self.enableOozieDropOnBefore = ko.observable(true);
  995. self.enableOozieDropOnSide = ko.observable(true);
  996. return self;
  997. }
  998. var ExtendedWidget = function (params) {
  999. var self = new Widget(params);
  1000. self.oozieMovable = ko.computed(function() {
  1001. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  1002. });
  1003. self.oozieExpanded = ko.observable(false);
  1004. self.ooziePropertiesExpanded = ko.observable(false);
  1005. return self;
  1006. }