workflow-editor.ko.js 38 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.isDirty = ko.observable(false);
  152. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  153. self.nodes = ko.observableArray([]);
  154. self.versions = ko.mapping.fromJS(['uri:oozie:workflow:0.4', 'uri:oozie:workflow:0.4.5', 'uri:oozie:workflow:0.5']);
  155. self.movedNode = null;
  156. self.properties.show_arrows.subscribe(function (newVal) {
  157. if (newVal){
  158. $(document).trigger("drawArrows");
  159. }
  160. else {
  161. $(document).trigger("removeArrows");
  162. }
  163. });
  164. self.nodesProperties = ko.computed(function () {
  165. var isDirtyContainer = [];
  166. $.each(self.nodes(), function (index, node) {
  167. for(var property in node.properties) {
  168. if (typeof node.properties[property] == "function"){
  169. var _obs = node.properties[property]();
  170. isDirtyContainer.push(_obs);
  171. if ($.isArray(_obs)){
  172. _obs.forEach(function(item){
  173. isDirtyContainer.push(item.value());
  174. });
  175. }
  176. }
  177. }
  178. });
  179. return isDirtyContainer;
  180. });
  181. self.oldNodesPropertiesHash = "";
  182. self.nodesProperties.subscribe(function(newVal){
  183. if (self.oldNodesPropertiesHash == ""){
  184. self.oldNodesPropertiesHash = JSON.stringify(newVal);
  185. }
  186. if (JSON.stringify(newVal) !== self.oldNodesPropertiesHash){
  187. self.oldNodesPropertiesHash = JSON.stringify(newVal);
  188. self.isDirty(true);
  189. }
  190. });
  191. self.nodeIds = ko.computed(function () {
  192. var mapping = [];
  193. $.each(self.nodes(), function (index, node) {
  194. mapping.push(node.id());
  195. });
  196. return mapping;
  197. });
  198. self.nodeNamesMapping = ko.computed(function () {
  199. var mapping = {};
  200. $.each(self.nodes(), function (index, node) {
  201. mapping[node.id()] = node.name();
  202. });
  203. return mapping;
  204. });
  205. self.linkMapping = ko.computed(function () {
  206. var mapping = {};
  207. $.each(self.nodes(), function (index, node) {
  208. var links = []
  209. $.each(node.children(), function (index, link) {
  210. if ('to' in link) {
  211. links.push(link['to']);
  212. }
  213. });
  214. mapping[node.id()] = links
  215. });
  216. return mapping;
  217. });
  218. self.linkMapping.subscribe(function (newVal) {
  219. $(document).trigger("drawArrows");
  220. });
  221. self.loadNodes = function (workflow) {
  222. var nodes = []
  223. $.each(workflow.nodes, function (index, node) {
  224. var _node = new Node(node);
  225. nodes.push(_node);
  226. });
  227. self.nodes(nodes)
  228. }
  229. self.newNode = function (widget, callback, sourceNode) {
  230. $.ajax({
  231. type: "POST",
  232. url: "/oozie/editor/workflow/new_node/",
  233. data: {
  234. "node": ko.mapping.toJSON(widget)
  235. },
  236. success: function (data) {
  237. if (data.status == 0) {
  238. viewModel.addActionProperties.removeAll();
  239. $.each(data.properties, function(i, prop) {
  240. viewModel.addActionProperties.push(ko.mapping.fromJS(prop));
  241. });
  242. if (data.workflows.length > 0) {
  243. viewModel.subworfklows(data.workflows);
  244. }
  245. if (callback) {
  246. callback(widget, sourceNode);
  247. }
  248. self.isDirty(true);
  249. }
  250. },
  251. async: false
  252. });
  253. };
  254. self.addNode = function (widget, copiedNode) {
  255. $.post("/oozie/editor/workflow/add_node/", {
  256. "node": ko.mapping.toJSON(widget),
  257. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  258. "copiedProperties": copiedNode ? ko.mapping.toJSON(copiedNode.properties) : "{}"
  259. }, function (data) {
  260. if (data.status == 0) {
  261. var _node = ko.mapping.toJS(widget);
  262. _node.properties = data.properties;
  263. _node.name = data.name;
  264. if (self.movedNode) {
  265. var node = self.movedNode;
  266. self.movedNode = null;
  267. } else {
  268. var node = new Node(_node);
  269. node.fetch_parameters();
  270. }
  271. self.nodes.push(node);
  272. // If added to the side
  273. if (vm.currentlyCreatingFork) {
  274. var parentWidget = vm.getWidgetPredecessor(node.id());
  275. var parent = self.getNodeById(parentWidget.id());
  276. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  277. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  278. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  279. var fork = new Node(vm.currentlyCreatedFork);
  280. var join = new Node(vm.currentlyCreatedJoin);
  281. self.nodes.push(fork);
  282. self.nodes.push(join);
  283. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  284. // In case of Fork of Fork, we need to pick the link of the neighbor of new node instead of just the first forkParent.get_link('to')
  285. var newParentLink = $.grep(forkParent.children(), function(link) {
  286. return vm.getWidgetPredecessor(ko.mapping.toJS(link)['to']).id() == fork.id();
  287. })[0];
  288. var afterParentId = ko.mapping.toJS(newParentLink).to;
  289. var afterParent = self.getNodeById(afterParentId);
  290. fork.children.push({'to': afterParentId, 'condition': ''});
  291. fork.children.push({'to': node.id(), 'condition': ''});
  292. newParentLink['to'] = fork.id();
  293. var belowJoin = vm.getWidgetSuccessor(join.id());
  294. join.set_link('to', belowJoin.id());
  295. if (afterParent.type() == 'fork-widget') {
  296. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  297. } else {
  298. afterParent.set_link('to', join.id());
  299. }
  300. node.set_link('to', join.id());
  301. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  302. } else {
  303. // Just add to existing fork
  304. var join = vm.getWidgetSuccessor(node.id());
  305. node.set_link('to', join.id());
  306. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  307. parent.children.push({'to': node.id(), 'condition': ''});
  308. }
  309. } else {
  310. var parentWidget = vm.getWidgetPredecessor(node.id());
  311. var parent = self.getNodeById(parentWidget.id());
  312. if (widget.widgetType() == 'kill-widget') {
  313. parent.set_link('to', node.id());
  314. } else if (parentWidget.widgetType() == 'fork-widget') {
  315. var child = vm.getWidgetSuccessor(node.id());
  316. parent.remove_link('to', child.id());
  317. parent.children.push({'to': node.id(), 'condition': ''});
  318. node.set_link('to', child.id());
  319. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  320. } else {
  321. // Parent is regular node
  322. node.set_link('to', parent.get_link('to')['to']);
  323. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  324. parent.set_link('to', node.id());
  325. }
  326. }
  327. vm.currentlyCreatingFork = false;
  328. self.isDirty(true);
  329. } else {
  330. $(document).trigger("error", data.message);
  331. }
  332. }).fail(function (xhr, textStatus, errorThrown) {
  333. $(document).trigger("error", xhr.responseText);
  334. });
  335. };
  336. self.removeNode = function (node_id) {
  337. var node = self.getNodeById(node_id);
  338. var parents = self.getParents(node_id);
  339. var parent = null;
  340. var childLink = null;
  341. if (node) {
  342. childLink = node.get_link('to');
  343. }
  344. if (childLink) {
  345. var childId = ko.mapping.toJS(childLink)['to'];
  346. $.each(parents, function (index, _parent) {
  347. _parent.remove_link('to', node_id);
  348. _parent.children.unshift({'to': childId});
  349. parent = _parent;
  350. });
  351. self.nodes.remove(node);
  352. // If need to remove fork
  353. if (parent.type() == 'fork-widget') {
  354. var fork = parent;
  355. var join = self.getNodeById(childId);
  356. if (join.type() == 'join-widget') {
  357. if (fork.children().length == 2) {
  358. // Link top to above and delete fork
  359. fork.remove_link('to', childId);
  360. var forkParent = self.getParents(fork.id())[0];
  361. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  362. self.nodes.remove(fork);
  363. // Link bottom to child of join
  364. var beboreJoin = self.getParents(childId)[0];
  365. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  366. beboreJoin.set_link('to', joinChildId);
  367. self.nodes.remove(join);
  368. } else {
  369. parent.remove_link('to', childId);
  370. }
  371. }
  372. } else if (parent.type() == 'decision-widget') {
  373. parent.remove_link('to', childId);
  374. }
  375. self.isDirty(true);
  376. }
  377. else {
  378. self.nodes.remove(node);
  379. }
  380. };
  381. self.moveNode = function (widget) {
  382. var node = self.getNodeById(widget.id());
  383. self.movedNode = node;
  384. self.removeNode(node.id());
  385. self.addNode(widget);
  386. };
  387. self.getParents = function (node_id) { // Join nodes can have multiple parents
  388. var _nodes = [];
  389. $.each(self.nodes(), function (index, node) {
  390. $.each(node.children(), function (index, link) {
  391. var _link = ko.mapping.toJS(link);
  392. if ('to' in _link && _link.to == node_id) {
  393. _nodes.push(node);
  394. }
  395. })
  396. });
  397. return _nodes;
  398. };
  399. self.getNodeById = function (node_id) {
  400. var _node = null;
  401. $.each(self.nodes(), function (index, node) {
  402. if (node.id() == node_id) {
  403. _node = node;
  404. return false;
  405. }
  406. });
  407. return _node;
  408. };
  409. }
  410. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json, can_edit_json) {
  411. var self = this;
  412. self.isNested = ko.observable(true);
  413. self.canEdit = ko.mapping.fromJS(can_edit_json);
  414. self.isEditing = ko.observable(true && self.canEdit());
  415. self.isEditing.subscribe(function (newVal) {
  416. $(document).trigger("editingToggled");
  417. });
  418. self.toggleEditing = function () {
  419. self.isEditing(! self.isEditing());
  420. };
  421. self.newAction = ko.observable();
  422. self.columns = ko.observableArray([]);
  423. self.oozieColumns = ko.observableArray([]);
  424. self.previewColumns = ko.observable("");
  425. self.workflow = new Workflow(self, workflow_json);
  426. self.credentials = ko.mapping.fromJSON(credentials_json);
  427. self.inited = ko.observable(self.oozieColumns().length > 0);
  428. self.init = function (callback) {
  429. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  430. loadLayout(self, layout_json);
  431. self.workflow.loadNodes(workflow_json);
  432. };
  433. self.addActionProperties = ko.observableArray([]);
  434. self.addActionPropertiesFilledOut = ko.computed(function (){
  435. var _filledInternalValues = function (val) {
  436. var _iAllFilled = true;
  437. val.forEach(function(iVal){
  438. if (iVal.value() == ''){
  439. _iAllFilled = false;
  440. }
  441. });
  442. return _iAllFilled;
  443. }
  444. var _allFilled = true;
  445. ko.utils.arrayForEach(self.addActionProperties(), function (property) {
  446. var _val = property.value();
  447. if (($.isArray(_val) && !_filledInternalValues(_val) ) || _val == ''){
  448. _allFilled = false;
  449. }
  450. });
  451. return _allFilled;
  452. });
  453. self.subworfklows = ko.observableArray(subworkflows_json);
  454. self.getSubWorkflow = function(uuid) {
  455. var wf = $.grep(self.subworfklows(), function(wf, i) {
  456. return wf.value == uuid;
  457. });
  458. if (wf[0]) {
  459. return ko.mapping.fromJS(wf[0]);
  460. }
  461. };
  462. self.currentlyDraggedWidget = ko.observable(null);
  463. self.currentlyDraggedOp = ko.observable("move");
  464. self.currentlyDraggedWidget.subscribe(function (widget) {
  465. toggleSideDrop(widget, false);
  466. });
  467. self.setCurrentlyDraggedWidget = function (widget, op) {
  468. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  469. self.currentlyDraggedWidget(widget);
  470. }
  471. self.enableSideDrop = function (widget) {
  472. toggleSideDrop(widget, true);
  473. }
  474. function toggleSideDrop(widget, enable) {
  475. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  476. var _row = self.getWidgetParentRow(widget.id());
  477. if (_row) {
  478. _row.enableOozieDropOnSide(enable);
  479. _row.enableOozieDropOnBefore(enable);
  480. var _parentRow = self.getRowParentRow(_row.id());
  481. if (_parentRow) {
  482. _parentRow.enableOozieDropOnSide(enable);
  483. if (_parentRow.columns().length <= 2) {
  484. _parentRow.columns().forEach(function (col) {
  485. col.enableOozieDropOnBefore(enable);
  486. col.enableOozieDropOnAfter(enable);
  487. col.rows()[0].enableOozieDropOnSide(enable);
  488. });
  489. var _prevParentRow = self.getPrevRow(_parentRow);
  490. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  491. _prevParentRow.enableOozieDropOnSide(enable);
  492. }
  493. }
  494. }
  495. var _col = self.getRowParentColumn(_row.id());
  496. if (self.getColumnParentRow(_col.id()) != null) {
  497. _col.enableOozieDropOnBefore(enable);
  498. _col.enableOozieDropOnAfter(enable);
  499. }
  500. var _prevRow = self.getPrevRow(_row);
  501. if (_prevRow) {
  502. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  503. _prevRow.enableOozieDropOnSide(enable);
  504. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  505. }
  506. }
  507. var _nextRow = self.getNextRow(_row);
  508. if (_nextRow) {
  509. _nextRow.enableOozieDropOnBefore(enable);
  510. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  511. _nextRow.enableOozieDropOnSide(enable);
  512. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  513. }
  514. }
  515. }
  516. }
  517. }
  518. self.currentlyCreatingFork = false;
  519. self.currentlyCreatedFork = null;
  520. self.currentlyCreatedJoin = null;
  521. self.isDragging = ko.observable(false);
  522. self.addDraggedWidget = function (target, atBeginning) {
  523. if (self.currentlyDraggedWidget() != null) {
  524. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  525. var _newRow = null;
  526. if (typeof atBeginning != "undefined") {
  527. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  528. if (atBeginning) {
  529. _newRow = _parentCol.addEmptyRow(false, 1);
  530. }
  531. else {
  532. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  533. }
  534. }
  535. else {
  536. _newRow = _parentCol.addEmptyRow(atBeginning);
  537. }
  538. }
  539. else {
  540. var _rowIdx = 0;
  541. $.each(_parentCol.rows(), function (i, irow) {
  542. if (irow.id() == target.id()) {
  543. _rowIdx = i;
  544. }
  545. });
  546. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  547. }
  548. var _w = new ExtendedWidget({
  549. size: self.currentlyDraggedWidget().size(),
  550. id: UUID(),
  551. name: self.currentlyDraggedWidget().name(),
  552. widgetType: self.currentlyDraggedWidget().widgetType(),
  553. properties: self.currentlyDraggedWidget().properties(),
  554. offset: self.currentlyDraggedWidget().offset(),
  555. loading: true,
  556. vm: self
  557. });
  558. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  559. self.removeWidgetById(self.currentlyDraggedWidget().id());
  560. _w = self.currentlyDraggedWidget();
  561. }
  562. _newRow.widgets([_w]);
  563. return _w;
  564. }
  565. }
  566. self.addSideDraggedWidget = function (row, atBeginning) {
  567. if (self.currentlyDraggedWidget() != null) {
  568. var _parentCol = self.getRowParentColumn(row.id());
  569. var _rowIdx = 0;
  570. $.each(_parentCol.rows(), function (i, irow) {
  571. if (irow.id() == row.id()) {
  572. _rowIdx = i;
  573. }
  574. });
  575. var _addForkAndJoin = (row.columns().length == 0);
  576. if (_addForkAndJoin) {
  577. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  578. var _id = UUID();
  579. var _fork = new ExtendedWidget({
  580. size: 12,
  581. id: _id,
  582. name: 'fork' + '-' + _id.slice(0, 4),
  583. widgetType: "fork-widget",
  584. properties: {},
  585. offset: 0,
  586. loading: true,
  587. vm: self
  588. });
  589. _forkRow.widgets([_fork]);
  590. }
  591. var _w = new ExtendedWidget({
  592. size: self.currentlyDraggedWidget().size(),
  593. id: UUID(),
  594. name: self.currentlyDraggedWidget().name(),
  595. widgetType: self.currentlyDraggedWidget().widgetType(),
  596. properties: self.currentlyDraggedWidget().properties(),
  597. offset: self.currentlyDraggedWidget().offset(),
  598. loading: true,
  599. vm: self
  600. });
  601. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  602. self.removeWidgetById(self.currentlyDraggedWidget().id());
  603. _w = self.currentlyDraggedWidget();
  604. }
  605. if (row.columns().length == 0) {
  606. var _col = row.addColumn(null, atBeginning);
  607. if (row.widgets().length > 0) {
  608. var _row = _col.addEmptyRow();
  609. row.widgets().forEach(function (widget) {
  610. _row.addWidget(widget);
  611. });
  612. if (row.widgets()[0].widgetType() == "fork-widget") {
  613. var _widgetsRow = self.getNextRow(row);
  614. var _joinRow = self.getNextRow(_widgetsRow);
  615. _col.rows.push(_widgetsRow);
  616. _col.rows.push(_joinRow);
  617. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  618. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  619. }
  620. row.widgets([]);
  621. }
  622. }
  623. var _col = row.addColumn(null, atBeginning);
  624. var _row = new ExtendedRow([_w], self);
  625. _col.addRow(_row);
  626. if (_addForkAndJoin) {
  627. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  628. var _id = UUID();
  629. var _join = new ExtendedWidget({
  630. size: 12,
  631. id: _id,
  632. name: "join" + '-' + _id.slice(0, 4),
  633. widgetType: "join-widget",
  634. properties: {},
  635. offset: 0,
  636. loading: true,
  637. vm: self
  638. });
  639. _joinRow.widgets([_join]);
  640. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  641. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  642. }
  643. self.currentlyCreatingFork = true;
  644. return _w;
  645. }
  646. }
  647. self.removeWidget = function (widget_json) {
  648. self.workflow.removeNode(widget_json.id());
  649. self.removeWidgetById(widget_json.id());
  650. }
  651. self.removeWidgetById = function (widget_id) {
  652. $.each(self.oozieColumns(), function (i, col) {
  653. self.deeplyRemoveWidgetById(widget_id, col, self)
  654. });
  655. }
  656. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  657. if (col) {
  658. $.each(col.rows(), function (j, row) {
  659. if (row && row.widgets()) {
  660. $.each(row.widgets(), function (z, widget) {
  661. if (widget.id() == widget_id) {
  662. row.widgets.remove(widget);
  663. col.rows.remove(row);
  664. }
  665. });
  666. }
  667. if (row && row.columns()) {
  668. $.each(row.columns(), function (i, icol) {
  669. self.deeplyRemoveWidgetById(widget_id, icol, row);
  670. });
  671. }
  672. });
  673. if (col.rows().length == 0) {
  674. parent.columns.remove(col);
  675. if (parent.columns().length > 1) {
  676. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  677. parent.columns().forEach(function (icol) {
  678. icol.size(_size);
  679. });
  680. }
  681. else {
  682. var _rows = parent.columns()[0].rows();
  683. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  684. var _prevRowIdx = -1;
  685. for (var i = 0; i < _parentRows().length; i++) {
  686. if (_parentRows()[i].id() == parent.id()) {
  687. break;
  688. }
  689. _prevRowIdx = i;
  690. }
  691. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  692. _parentRows.remove(_parentRows()[_prevRowIdx]);
  693. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  694. }
  695. for (var i = 0; i < _rows.length; i++) {
  696. if (i == 0) {
  697. parent.widgets(_rows[i].widgets());
  698. }
  699. else {
  700. _parentRows.push(_rows[i]);
  701. }
  702. }
  703. parent.columns([]);
  704. }
  705. }
  706. }
  707. }
  708. self.getWidgetRelative = function (widget_id, isPredecessor) {
  709. var _row = self.getWidgetParentRow(widget_id);
  710. var _col = self.getRowParentColumn(_row.id());
  711. var _nextRow = null;
  712. for (var i = 0; i < _col.rows().length; i++) {
  713. if (_col.rows()[i].id() == _row.id()) {
  714. if (!isPredecessor && _col.rows().length >= i + 1) {
  715. _nextRow = _col.rows()[i + 1];
  716. }
  717. break;
  718. }
  719. _nextRow = _col.rows()[i];
  720. }
  721. if (_nextRow != null) {
  722. return _nextRow.widgets()[0];
  723. }
  724. else {
  725. var _parentRow = self.getColumnParentRow(_col.id());
  726. if (_parentRow) {
  727. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  728. var _nextParentRow = null;
  729. for (var i = 0; i < _parentColumn.rows().length; i++) {
  730. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  731. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  732. _nextParentRow = _parentColumn.rows()[i + 1];
  733. }
  734. break;
  735. }
  736. _nextParentRow = _parentColumn.rows()[i];
  737. }
  738. if (_nextParentRow != null) {
  739. return _nextParentRow.widgets()[0];
  740. }
  741. }
  742. }
  743. return null;
  744. }
  745. self.getWidgetPredecessor = function (widget_id) {
  746. return self.getWidgetRelative(widget_id, true);
  747. }
  748. self.getWidgetSuccessor = function (widget_id) {
  749. return self.getWidgetRelative(widget_id, false);
  750. }
  751. self.isRowAfterFork = function (row) {
  752. var _parentColumn = self.getRowParentColumn(row.id());
  753. var _prevRow = null;
  754. for (var i = 0; i < _parentColumn.rows().length; i++) {
  755. var _currentRow = _parentColumn.rows()[i];
  756. if (_currentRow.id() == row.id()) {
  757. break;
  758. }
  759. _prevRow = _currentRow;
  760. }
  761. if (_prevRow != null) {
  762. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  763. }
  764. return false;
  765. }
  766. self.isRowBeforeJoin = function (row) {
  767. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  768. }
  769. self.getNextRow = function (row) {
  770. var _parentColumn = self.getRowParentColumn(row.id());
  771. var _nextParentRow = null;
  772. for (var i = 0; i < _parentColumn.rows().length; i++) {
  773. if (_parentColumn.rows()[i].id() == row.id()) {
  774. if (_parentColumn.rows().length >= i + 1) {
  775. _nextParentRow = _parentColumn.rows()[i + 1];
  776. }
  777. break;
  778. }
  779. _nextParentRow = _parentColumn.rows()[i];
  780. }
  781. return _nextParentRow;
  782. }
  783. self.getPrevRow = function (row) {
  784. var _parentColumn = self.getRowParentColumn(row.id());
  785. var _prevParentRow = null;
  786. for (var i = 0; i < _parentColumn.rows().length; i++) {
  787. if (_parentColumn.rows()[i].id() == row.id()) {
  788. if (i > 0) {
  789. _prevParentRow = _parentColumn.rows()[i - 1];
  790. }
  791. break;
  792. }
  793. _prevParentRow = _parentColumn.rows()[i];
  794. }
  795. return _prevParentRow;
  796. }
  797. self.getWidgetParentRow = function (widget_id) {
  798. var _row = null;
  799. for (var i = 0; i < self.oozieColumns().length; i++) {
  800. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  801. if (_row != null) {
  802. break;
  803. }
  804. }
  805. return _row;
  806. }
  807. self.getRowParentColumn = function (row_id) {
  808. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  809. }
  810. self.getColumnParentRow = function (col_id) {
  811. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  812. }
  813. self.getRowParentRow = function (row_id) {
  814. var _col = self.getRowParentColumn(row_id);
  815. if (_col != null) {
  816. return self.getColumnParentRow(_col.id());
  817. }
  818. }
  819. self.traverseColumnForColumn = function (row_id, col) {
  820. var _column = null;
  821. if (col) {
  822. for (var j = 0; j < col.rows().length; j++) {
  823. var row = col.rows()[j];
  824. for (var z = 0; z < row.columns().length; z++) {
  825. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  826. if (_column != null) {
  827. return _column;
  828. }
  829. }
  830. if (row.id() == row_id) {
  831. _column = col;
  832. return _column;
  833. }
  834. }
  835. }
  836. return _column;
  837. }
  838. self.traverseColumnForRow = function (col_id, col) {
  839. var _row = null;
  840. if (col) {
  841. for (var j = 0; j < col.rows().length; j++) {
  842. var row = col.rows()[j];
  843. for (var z = 0; z < row.columns().length; z++) {
  844. var _col = row.columns()[z];
  845. if (_col.id() == col_id) {
  846. _row = row;
  847. }
  848. else {
  849. _row = self.traverseColumnForRow(col_id, _col);
  850. }
  851. if (_row != null) {
  852. return _row;
  853. }
  854. }
  855. }
  856. }
  857. return _row;
  858. }
  859. self.traverseColumnForWidget = function (widget_id, col) {
  860. var _row = null;
  861. if (col) {
  862. for (var j = 0; j < col.rows().length; j++) {
  863. var row = col.rows()[j];
  864. for (var z = 0; z < row.widgets().length; z++) {
  865. var widget = row.widgets()[z];
  866. if (widget.id() == widget_id) {
  867. _row = row;
  868. break;
  869. }
  870. }
  871. if (_row != null) {
  872. break;
  873. }
  874. for (var z = 0; z < row.columns().length; z++) {
  875. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  876. if (_row != null) {
  877. break;
  878. }
  879. }
  880. }
  881. }
  882. return _row;
  883. }
  884. self.convertToDecision = function (widget, node) {
  885. if (widget.widgetType() == "fork-widget") {
  886. var _row = self.getWidgetParentRow(widget.id());
  887. var _next = self.getNextRow(_row);
  888. while (_next.widgets().length == 0) {
  889. _next = self.getNextRow(_next);
  890. }
  891. // Remove the join
  892. self.workflow.removeNode(_next.widgets()[0].id());
  893. self.removeWidgetById(_next.widgets()[0].id());
  894. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  895. widget.widgetType("decision-widget");
  896. node.type("decision-widget");
  897. var _newName = "decision-" + node.id().slice(0, 4);
  898. node.name(_newName);
  899. widget.name(_newName);
  900. $(document).trigger("drawArrows");
  901. }
  902. }
  903. self.save = function () {
  904. $.post("/oozie/editor/workflow/save/", {
  905. "layout": ko.mapping.toJSON(self.oozieColumns),
  906. "workflow": ko.mapping.toJSON(self.workflow)
  907. }, function (data) {
  908. if (data.status == 0) {
  909. if (self.workflow.id() == null) {
  910. shareViewModel.setDocId(data.doc1_id);
  911. }
  912. self.workflow.id(data.id);
  913. $(document).trigger("info", data.message);
  914. if (window.location.search.indexOf("workflow") == -1) {
  915. window.location.hash = '#workflow=' + data.id;
  916. }
  917. self.workflow.isDirty(false);
  918. }
  919. else {
  920. $(document).trigger("error", data.message);
  921. }
  922. }).fail(function (xhr, textStatus, errorThrown) {
  923. $(document).trigger("error", xhr.responseText);
  924. });
  925. };
  926. self.gen_xml = function () {
  927. $.post("/oozie/editor/workflow/gen_xml/", {
  928. "layout": ko.mapping.toJSON(self.oozieColumns),
  929. "workflow": ko.mapping.toJSON(self.workflow)
  930. }, function (data) {
  931. if (data.status == 0) {
  932. console.log(data.xml);
  933. }
  934. else {
  935. $(document).trigger("error", data.message);
  936. }
  937. }).fail(function (xhr, textStatus, errorThrown) {
  938. $(document).trigger("error", xhr.responseText);
  939. });
  940. };
  941. self.showSubmitPopup = function () {
  942. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  943. }, function (data) {
  944. $(document).trigger("showSubmitPopup", data);
  945. }).fail(function (xhr, textStatus, errorThrown) {
  946. $(document).trigger("error", xhr.responseText);
  947. });
  948. };
  949. function bareWidgetBuilder(name, type) {
  950. return new ExtendedWidget({
  951. size: 12,
  952. id: "",
  953. name: name,
  954. widgetType: type
  955. });
  956. }
  957. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  958. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  959. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  960. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  961. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  962. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  963. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  964. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  965. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  966. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  967. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  968. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  969. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  970. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  971. };
  972. function logGA(page) {
  973. if (typeof trackOnGA == 'function') {
  974. trackOnGA('oozie/editor/workflow' + page);
  975. }
  976. }
  977. var ExtendedColumn = function (size, rows) {
  978. var self = new Column(size, rows);
  979. self.rowPrototype = ExtendedRow;
  980. self.oozieStartRow = ko.computed(function () {
  981. var _row = null;
  982. ko.utils.arrayForEach(self.rows(), function (row) {
  983. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  984. _row = row;
  985. }
  986. });
  987. return _row;
  988. }, self);
  989. self.oozieEndRow = ko.computed(function () {
  990. var _row = null;
  991. ko.utils.arrayForEach(self.rows(), function (row) {
  992. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  993. _row = row;
  994. }
  995. });
  996. return _row;
  997. }, self);
  998. self.oozieKillRow = ko.computed(function () {
  999. var _row = null;
  1000. ko.utils.arrayForEach(self.rows(), function (row) {
  1001. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  1002. _row = row;
  1003. }
  1004. });
  1005. return _row;
  1006. }, self);
  1007. self.oozieRows = ko.computed(function () {
  1008. var _rows = [];
  1009. ko.utils.arrayForEach(self.rows(), function (row) {
  1010. 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) {
  1011. _rows.push(row);
  1012. }
  1013. });
  1014. return _rows;
  1015. }, self);
  1016. self.enableOozieDropOnBefore = ko.observable(true);
  1017. self.enableOozieDropOnAfter = ko.observable(true);
  1018. return self;
  1019. }
  1020. var ExtendedRow = function (widgets, vm, columns) {
  1021. var self = new Row(widgets, vm, columns);
  1022. self.columnPrototype = ExtendedColumn;
  1023. self.enableOozieDrop = ko.computed(function(){
  1024. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  1025. });
  1026. self.enableOozieDropOnBefore = ko.observable(true);
  1027. self.enableOozieDropOnSide = ko.observable(true);
  1028. return self;
  1029. }
  1030. var ExtendedWidget = function (params) {
  1031. var self = new Widget(params);
  1032. self.oozieMovable = ko.computed(function() {
  1033. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  1034. });
  1035. self.oozieExpanded = ko.observable(false);
  1036. self.ooziePropertiesExpanded = ko.observable(false);
  1037. return self;
  1038. }