workflow-editor.ko.js 37 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. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  285. var afterParent = self.getNodeById(afterParentId);
  286. fork.children.push({'to': afterParentId, 'condition': ''});
  287. fork.children.push({'to': node.id(), 'condition': ''});
  288. forkParent.get_link('to')['to'] = fork.id();
  289. var belowJoin = vm.getWidgetSuccessor(join.id());
  290. join.set_link('to', belowJoin.id());
  291. if (afterParent.type() == 'fork-widget') {
  292. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  293. } else {
  294. afterParent.set_link('to', join.id());
  295. }
  296. node.set_link('to', join.id());
  297. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  298. } else {
  299. // Just add to existing fork
  300. var join = vm.getWidgetSuccessor(node.id());
  301. node.set_link('to', join.id());
  302. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  303. parent.children.push({'to': node.id(), 'condition': ''});
  304. }
  305. } else {
  306. var parentWidget = vm.getWidgetPredecessor(node.id());
  307. var parent = self.getNodeById(parentWidget.id());
  308. if (widget.widgetType() == 'kill-widget') {
  309. parent.set_link('to', node.id());
  310. } else if (parentWidget.widgetType() == 'fork-widget') {
  311. var child = vm.getWidgetSuccessor(node.id());
  312. parent.remove_link('to', child.id());
  313. parent.children.push({'to': node.id(), 'condition': ''});
  314. node.set_link('to', child.id());
  315. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  316. } else {
  317. // Parent is regular node
  318. node.set_link('to', parent.get_link('to')['to']);
  319. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  320. parent.set_link('to', node.id());
  321. }
  322. }
  323. vm.currentlyCreatingFork = false;
  324. self.isDirty(true);
  325. } else {
  326. $(document).trigger("error", data.message);
  327. }
  328. }).fail(function (xhr, textStatus, errorThrown) {
  329. $(document).trigger("error", xhr.responseText);
  330. });
  331. };
  332. self.removeNode = function (node_id) {
  333. var node = self.getNodeById(node_id);
  334. var parents = self.getParents(node_id);
  335. var parent = null;
  336. var childLink = null;
  337. if (node) {
  338. childLink = node.get_link('to');
  339. }
  340. if (childLink) {
  341. var childId = ko.mapping.toJS(childLink)['to'];
  342. $.each(parents, function (index, _parent) {
  343. _parent.remove_link('to', node_id);
  344. _parent.children.unshift({'to': childId});
  345. parent = _parent;
  346. });
  347. self.nodes.remove(node);
  348. // If need to remove fork
  349. if (parent.type() == 'fork-widget') {
  350. var fork = parent;
  351. var join = self.getNodeById(childId);
  352. if (join.type() == 'join-widget') {
  353. if (fork.children().length == 2) {
  354. // Link top to above and delete fork
  355. fork.remove_link('to', childId);
  356. var forkParent = self.getParents(fork.id())[0];
  357. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  358. self.nodes.remove(fork);
  359. // Link bottom to child of join
  360. var beboreJoin = self.getParents(childId)[0];
  361. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  362. beboreJoin.set_link('to', joinChildId);
  363. self.nodes.remove(join);
  364. } else {
  365. parent.remove_link('to', childId);
  366. }
  367. }
  368. } else if (parent.type() == 'decision-widget') {
  369. parent.remove_link('to', childId);
  370. }
  371. self.isDirty(true);
  372. }
  373. else {
  374. self.nodes.remove(node);
  375. }
  376. };
  377. self.moveNode = function (widget) {
  378. var node = self.getNodeById(widget.id());
  379. self.movedNode = node;
  380. self.removeNode(node.id());
  381. self.addNode(widget);
  382. };
  383. self.getParents = function (node_id) { // Join nodes can have multiple parents
  384. var _nodes = [];
  385. $.each(self.nodes(), function (index, node) {
  386. $.each(node.children(), function (index, link) {
  387. var _link = ko.mapping.toJS(link);
  388. if ('to' in _link && _link.to == node_id) {
  389. _nodes.push(node);
  390. }
  391. })
  392. });
  393. return _nodes;
  394. };
  395. self.getNodeById = function (node_id) {
  396. var _node = null;
  397. $.each(self.nodes(), function (index, node) {
  398. if (node.id() == node_id) {
  399. _node = node;
  400. return false;
  401. }
  402. });
  403. return _node;
  404. };
  405. }
  406. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json, can_edit_json) {
  407. var self = this;
  408. self.isNested = ko.observable(true);
  409. self.canEdit = ko.mapping.fromJS(can_edit_json);
  410. self.isEditing = ko.observable(true && self.canEdit());
  411. self.isEditing.subscribe(function (newVal) {
  412. $(document).trigger("editingToggled");
  413. });
  414. self.toggleEditing = function () {
  415. self.isEditing(! self.isEditing());
  416. };
  417. self.newAction = ko.observable();
  418. self.columns = ko.observableArray([]);
  419. self.oozieColumns = ko.observableArray([]);
  420. self.previewColumns = ko.observable("");
  421. self.workflow = new Workflow(self, workflow_json);
  422. self.credentials = ko.mapping.fromJSON(credentials_json);
  423. self.inited = ko.observable(self.oozieColumns().length > 0);
  424. self.init = function (callback) {
  425. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  426. loadLayout(self, layout_json);
  427. self.workflow.loadNodes(workflow_json);
  428. };
  429. self.addActionProperties = ko.observableArray([]);
  430. self.addActionPropertiesFilledOut = ko.computed(function (){
  431. var _filledInternalValues = function (val) {
  432. var _iAllFilled = true;
  433. val.forEach(function(iVal){
  434. if (iVal.value() == ''){
  435. _iAllFilled = false;
  436. }
  437. });
  438. return _iAllFilled;
  439. }
  440. var _allFilled = true;
  441. ko.utils.arrayForEach(self.addActionProperties(), function (property) {
  442. var _val = property.value();
  443. if (($.isArray(_val) && !_filledInternalValues(_val) ) || _val == ''){
  444. _allFilled = false;
  445. }
  446. });
  447. return _allFilled;
  448. });
  449. self.subworfklows = ko.observableArray(subworkflows_json);
  450. self.getSubWorkflow = function(uuid) {
  451. var wf = $.grep(self.subworfklows(), function(wf, i) {
  452. return wf.value == uuid;
  453. });
  454. if (wf[0]) {
  455. return ko.mapping.fromJS(wf[0]);
  456. }
  457. };
  458. self.currentlyDraggedWidget = ko.observable(null);
  459. self.currentlyDraggedOp = ko.observable("move");
  460. self.currentlyDraggedWidget.subscribe(function (widget) {
  461. toggleSideDrop(widget, false);
  462. });
  463. self.setCurrentlyDraggedWidget = function (widget, op) {
  464. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  465. self.currentlyDraggedWidget(widget);
  466. }
  467. self.enableSideDrop = function (widget) {
  468. toggleSideDrop(widget, true);
  469. }
  470. function toggleSideDrop(widget, enable) {
  471. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  472. var _row = self.getWidgetParentRow(widget.id());
  473. if (_row) {
  474. _row.enableOozieDropOnSide(enable);
  475. _row.enableOozieDropOnBefore(enable);
  476. var _parentRow = self.getRowParentRow(_row.id());
  477. if (_parentRow) {
  478. _parentRow.enableOozieDropOnSide(enable);
  479. if (_parentRow.columns().length <= 2) {
  480. _parentRow.columns().forEach(function (col) {
  481. col.enableOozieDropOnBefore(enable);
  482. col.enableOozieDropOnAfter(enable);
  483. col.rows()[0].enableOozieDropOnSide(enable);
  484. });
  485. var _prevParentRow = self.getPrevRow(_parentRow);
  486. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  487. _prevParentRow.enableOozieDropOnSide(enable);
  488. }
  489. }
  490. }
  491. var _col = self.getRowParentColumn(_row.id());
  492. if (self.getColumnParentRow(_col.id()) != null) {
  493. _col.enableOozieDropOnBefore(enable);
  494. _col.enableOozieDropOnAfter(enable);
  495. }
  496. var _prevRow = self.getPrevRow(_row);
  497. if (_prevRow) {
  498. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  499. _prevRow.enableOozieDropOnSide(enable);
  500. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  501. }
  502. }
  503. var _nextRow = self.getNextRow(_row);
  504. if (_nextRow) {
  505. _nextRow.enableOozieDropOnBefore(enable);
  506. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  507. _nextRow.enableOozieDropOnSide(enable);
  508. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  509. }
  510. }
  511. }
  512. }
  513. }
  514. self.currentlyCreatingFork = false;
  515. self.currentlyCreatedFork = null;
  516. self.currentlyCreatedJoin = null;
  517. self.isDragging = ko.observable(false);
  518. self.addDraggedWidget = function (target, atBeginning) {
  519. if (self.currentlyDraggedWidget() != null) {
  520. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  521. var _newRow = null;
  522. if (typeof atBeginning != "undefined") {
  523. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  524. if (atBeginning) {
  525. _newRow = _parentCol.addEmptyRow(false, 1);
  526. }
  527. else {
  528. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  529. }
  530. }
  531. else {
  532. _newRow = _parentCol.addEmptyRow(atBeginning);
  533. }
  534. }
  535. else {
  536. var _rowIdx = 0;
  537. $.each(_parentCol.rows(), function (i, irow) {
  538. if (irow.id() == target.id()) {
  539. _rowIdx = i;
  540. }
  541. });
  542. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  543. }
  544. var _w = new ExtendedWidget({
  545. size: self.currentlyDraggedWidget().size(),
  546. id: UUID(),
  547. name: self.currentlyDraggedWidget().name(),
  548. widgetType: self.currentlyDraggedWidget().widgetType(),
  549. properties: self.currentlyDraggedWidget().properties(),
  550. offset: self.currentlyDraggedWidget().offset(),
  551. loading: true,
  552. vm: self
  553. });
  554. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  555. self.removeWidgetById(self.currentlyDraggedWidget().id());
  556. _w = self.currentlyDraggedWidget();
  557. }
  558. _newRow.widgets([_w]);
  559. return _w;
  560. }
  561. }
  562. self.addSideDraggedWidget = function (row, atBeginning) {
  563. if (self.currentlyDraggedWidget() != null) {
  564. var _parentCol = self.getRowParentColumn(row.id());
  565. var _rowIdx = 0;
  566. $.each(_parentCol.rows(), function (i, irow) {
  567. if (irow.id() == row.id()) {
  568. _rowIdx = i;
  569. }
  570. });
  571. var _addForkAndJoin = (row.columns().length == 0);
  572. if (_addForkAndJoin) {
  573. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  574. var _id = UUID();
  575. var _fork = new ExtendedWidget({
  576. size: 12,
  577. id: _id,
  578. name: 'fork' + '-' + _id.slice(0, 4),
  579. widgetType: "fork-widget",
  580. properties: {},
  581. offset: 0,
  582. loading: true,
  583. vm: self
  584. });
  585. _forkRow.widgets([_fork]);
  586. }
  587. var _w = new ExtendedWidget({
  588. size: self.currentlyDraggedWidget().size(),
  589. id: UUID(),
  590. name: self.currentlyDraggedWidget().name(),
  591. widgetType: self.currentlyDraggedWidget().widgetType(),
  592. properties: self.currentlyDraggedWidget().properties(),
  593. offset: self.currentlyDraggedWidget().offset(),
  594. loading: true,
  595. vm: self
  596. });
  597. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  598. self.removeWidgetById(self.currentlyDraggedWidget().id());
  599. _w = self.currentlyDraggedWidget();
  600. }
  601. if (row.columns().length == 0) {
  602. var _col = row.addColumn(null, atBeginning);
  603. if (row.widgets().length > 0) {
  604. var _row = _col.addEmptyRow();
  605. row.widgets().forEach(function (widget) {
  606. _row.addWidget(widget);
  607. });
  608. if (row.widgets()[0].widgetType() == "fork-widget") {
  609. var _widgetsRow = self.getNextRow(row);
  610. var _joinRow = self.getNextRow(_widgetsRow);
  611. _col.rows.push(_widgetsRow);
  612. _col.rows.push(_joinRow);
  613. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  614. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  615. }
  616. row.widgets([]);
  617. }
  618. }
  619. var _col = row.addColumn(null, atBeginning);
  620. var _row = new ExtendedRow([_w], self);
  621. _col.addRow(_row);
  622. if (_addForkAndJoin) {
  623. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  624. var _id = UUID();
  625. var _join = new ExtendedWidget({
  626. size: 12,
  627. id: _id,
  628. name: "join" + '-' + _id.slice(0, 4),
  629. widgetType: "join-widget",
  630. properties: {},
  631. offset: 0,
  632. loading: true,
  633. vm: self
  634. });
  635. _joinRow.widgets([_join]);
  636. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  637. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  638. }
  639. self.currentlyCreatingFork = true;
  640. return _w;
  641. }
  642. }
  643. self.removeWidget = function (widget_json) {
  644. self.workflow.removeNode(widget_json.id());
  645. self.removeWidgetById(widget_json.id());
  646. }
  647. self.removeWidgetById = function (widget_id) {
  648. $.each(self.oozieColumns(), function (i, col) {
  649. self.deeplyRemoveWidgetById(widget_id, col, self)
  650. });
  651. }
  652. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  653. if (col) {
  654. $.each(col.rows(), function (j, row) {
  655. if (row && row.widgets()) {
  656. $.each(row.widgets(), function (z, widget) {
  657. if (widget.id() == widget_id) {
  658. row.widgets.remove(widget);
  659. col.rows.remove(row);
  660. }
  661. });
  662. }
  663. if (row && row.columns()) {
  664. $.each(row.columns(), function (i, icol) {
  665. self.deeplyRemoveWidgetById(widget_id, icol, row);
  666. });
  667. }
  668. });
  669. if (col.rows().length == 0) {
  670. parent.columns.remove(col);
  671. if (parent.columns().length > 1) {
  672. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  673. parent.columns().forEach(function (icol) {
  674. icol.size(_size);
  675. });
  676. }
  677. else {
  678. var _rows = parent.columns()[0].rows();
  679. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  680. var _prevRowIdx = -1;
  681. for (var i = 0; i < _parentRows().length; i++) {
  682. if (_parentRows()[i].id() == parent.id()) {
  683. break;
  684. }
  685. _prevRowIdx = i;
  686. }
  687. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  688. _parentRows.remove(_parentRows()[_prevRowIdx]);
  689. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  690. }
  691. for (var i = 0; i < _rows.length; i++) {
  692. if (i == 0) {
  693. parent.widgets(_rows[i].widgets());
  694. }
  695. else {
  696. _parentRows.push(_rows[i]);
  697. }
  698. }
  699. parent.columns([]);
  700. }
  701. }
  702. }
  703. }
  704. self.getWidgetRelative = function (widget_id, isPredecessor) {
  705. var _row = self.getWidgetParentRow(widget_id);
  706. var _col = self.getRowParentColumn(_row.id());
  707. var _nextRow = null;
  708. for (var i = 0; i < _col.rows().length; i++) {
  709. if (_col.rows()[i].id() == _row.id()) {
  710. if (!isPredecessor && _col.rows().length >= i + 1) {
  711. _nextRow = _col.rows()[i + 1];
  712. }
  713. break;
  714. }
  715. _nextRow = _col.rows()[i];
  716. }
  717. if (_nextRow != null) {
  718. return _nextRow.widgets()[0];
  719. }
  720. else {
  721. var _parentRow = self.getColumnParentRow(_col.id());
  722. if (_parentRow) {
  723. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  724. var _nextParentRow = null;
  725. for (var i = 0; i < _parentColumn.rows().length; i++) {
  726. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  727. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  728. _nextParentRow = _parentColumn.rows()[i + 1];
  729. }
  730. break;
  731. }
  732. _nextParentRow = _parentColumn.rows()[i];
  733. }
  734. if (_nextParentRow != null) {
  735. return _nextParentRow.widgets()[0];
  736. }
  737. }
  738. }
  739. return null;
  740. }
  741. self.getWidgetPredecessor = function (widget_id) {
  742. return self.getWidgetRelative(widget_id, true);
  743. }
  744. self.getWidgetSuccessor = function (widget_id) {
  745. return self.getWidgetRelative(widget_id, false);
  746. }
  747. self.isRowAfterFork = function (row) {
  748. var _parentColumn = self.getRowParentColumn(row.id());
  749. var _prevRow = null;
  750. for (var i = 0; i < _parentColumn.rows().length; i++) {
  751. var _currentRow = _parentColumn.rows()[i];
  752. if (_currentRow.id() == row.id()) {
  753. break;
  754. }
  755. _prevRow = _currentRow;
  756. }
  757. if (_prevRow != null) {
  758. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  759. }
  760. return false;
  761. }
  762. self.isRowBeforeJoin = function (row) {
  763. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  764. }
  765. self.getNextRow = function (row) {
  766. var _parentColumn = self.getRowParentColumn(row.id());
  767. var _nextParentRow = null;
  768. for (var i = 0; i < _parentColumn.rows().length; i++) {
  769. if (_parentColumn.rows()[i].id() == row.id()) {
  770. if (_parentColumn.rows().length >= i + 1) {
  771. _nextParentRow = _parentColumn.rows()[i + 1];
  772. }
  773. break;
  774. }
  775. _nextParentRow = _parentColumn.rows()[i];
  776. }
  777. return _nextParentRow;
  778. }
  779. self.getPrevRow = function (row) {
  780. var _parentColumn = self.getRowParentColumn(row.id());
  781. var _prevParentRow = null;
  782. for (var i = 0; i < _parentColumn.rows().length; i++) {
  783. if (_parentColumn.rows()[i].id() == row.id()) {
  784. if (i > 0) {
  785. _prevParentRow = _parentColumn.rows()[i - 1];
  786. }
  787. break;
  788. }
  789. _prevParentRow = _parentColumn.rows()[i];
  790. }
  791. return _prevParentRow;
  792. }
  793. self.getWidgetParentRow = function (widget_id) {
  794. var _row = null;
  795. for (var i = 0; i < self.oozieColumns().length; i++) {
  796. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  797. if (_row != null) {
  798. break;
  799. }
  800. }
  801. return _row;
  802. }
  803. self.getRowParentColumn = function (row_id) {
  804. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  805. }
  806. self.getColumnParentRow = function (col_id) {
  807. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  808. }
  809. self.getRowParentRow = function (row_id) {
  810. var _col = self.getRowParentColumn(row_id);
  811. if (_col != null) {
  812. return self.getColumnParentRow(_col.id());
  813. }
  814. }
  815. self.traverseColumnForColumn = function (row_id, col) {
  816. var _column = null;
  817. if (col) {
  818. for (var j = 0; j < col.rows().length; j++) {
  819. var row = col.rows()[j];
  820. for (var z = 0; z < row.columns().length; z++) {
  821. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  822. if (_column != null) {
  823. return _column;
  824. }
  825. }
  826. if (row.id() == row_id) {
  827. _column = col;
  828. return _column;
  829. }
  830. }
  831. }
  832. return _column;
  833. }
  834. self.traverseColumnForRow = function (col_id, col) {
  835. var _row = null;
  836. if (col) {
  837. for (var j = 0; j < col.rows().length; j++) {
  838. var row = col.rows()[j];
  839. for (var z = 0; z < row.columns().length; z++) {
  840. var _col = row.columns()[z];
  841. if (_col.id() == col_id) {
  842. _row = row;
  843. }
  844. else {
  845. _row = self.traverseColumnForRow(col_id, _col);
  846. }
  847. if (_row != null) {
  848. return _row;
  849. }
  850. }
  851. }
  852. }
  853. return _row;
  854. }
  855. self.traverseColumnForWidget = function (widget_id, col) {
  856. var _row = null;
  857. if (col) {
  858. for (var j = 0; j < col.rows().length; j++) {
  859. var row = col.rows()[j];
  860. for (var z = 0; z < row.widgets().length; z++) {
  861. var widget = row.widgets()[z];
  862. if (widget.id() == widget_id) {
  863. _row = row;
  864. break;
  865. }
  866. }
  867. if (_row != null) {
  868. break;
  869. }
  870. for (var z = 0; z < row.columns().length; z++) {
  871. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  872. if (_row != null) {
  873. break;
  874. }
  875. }
  876. }
  877. }
  878. return _row;
  879. }
  880. self.convertToDecision = function (widget, node) {
  881. if (widget.widgetType() == "fork-widget") {
  882. var _row = self.getWidgetParentRow(widget.id());
  883. var _next = self.getNextRow(_row);
  884. while (_next.widgets().length == 0) {
  885. _next = self.getNextRow(_next);
  886. }
  887. // Remove the join
  888. self.workflow.removeNode(_next.widgets()[0].id());
  889. self.removeWidgetById(_next.widgets()[0].id());
  890. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  891. widget.widgetType("decision-widget");
  892. node.type("decision-widget");
  893. var _newName = "decision-" + node.id().slice(0, 4);
  894. node.name(_newName);
  895. widget.name(_newName);
  896. $(document).trigger("drawArrows");
  897. }
  898. }
  899. self.save = function () {
  900. $.post("/oozie/editor/workflow/save/", {
  901. "layout": ko.mapping.toJSON(self.oozieColumns),
  902. "workflow": ko.mapping.toJSON(self.workflow)
  903. }, function (data) {
  904. if (data.status == 0) {
  905. if (self.workflow.id() == null) {
  906. shareViewModel.setDocId(data.doc1_id);
  907. }
  908. self.workflow.id(data.id);
  909. $(document).trigger("info", data.message);
  910. if (window.location.search.indexOf("workflow") == -1) {
  911. window.location.hash = '#workflow=' + data.id;
  912. }
  913. self.workflow.isDirty(false);
  914. }
  915. else {
  916. $(document).trigger("error", data.message);
  917. }
  918. }).fail(function (xhr, textStatus, errorThrown) {
  919. $(document).trigger("error", xhr.responseText);
  920. });
  921. };
  922. self.gen_xml = function () {
  923. $.post("/oozie/editor/workflow/gen_xml/", {
  924. "layout": ko.mapping.toJSON(self.oozieColumns),
  925. "workflow": ko.mapping.toJSON(self.workflow)
  926. }, function (data) {
  927. if (data.status == 0) {
  928. console.log(data.xml);
  929. }
  930. else {
  931. $(document).trigger("error", data.message);
  932. }
  933. }).fail(function (xhr, textStatus, errorThrown) {
  934. $(document).trigger("error", xhr.responseText);
  935. });
  936. };
  937. self.showSubmitPopup = function () {
  938. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  939. }, function (data) {
  940. $(document).trigger("showSubmitPopup", data);
  941. }).fail(function (xhr, textStatus, errorThrown) {
  942. $(document).trigger("error", xhr.responseText);
  943. });
  944. };
  945. function bareWidgetBuilder(name, type) {
  946. return new ExtendedWidget({
  947. size: 12,
  948. id: "",
  949. name: name,
  950. widgetType: type
  951. });
  952. }
  953. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  954. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  955. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  956. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  957. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  958. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  959. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  960. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  961. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  962. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  963. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  964. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  965. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  966. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  967. };
  968. function logGA(page) {
  969. if (typeof trackOnGA == 'function') {
  970. trackOnGA('oozie/editor/workflow' + page);
  971. }
  972. }
  973. var ExtendedColumn = function (size, rows) {
  974. var self = new Column(size, rows);
  975. self.rowPrototype = ExtendedRow;
  976. self.oozieStartRow = ko.computed(function () {
  977. var _row = null;
  978. ko.utils.arrayForEach(self.rows(), function (row) {
  979. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  980. _row = row;
  981. }
  982. });
  983. return _row;
  984. }, self);
  985. self.oozieEndRow = ko.computed(function () {
  986. var _row = null;
  987. ko.utils.arrayForEach(self.rows(), function (row) {
  988. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  989. _row = row;
  990. }
  991. });
  992. return _row;
  993. }, self);
  994. self.oozieKillRow = ko.computed(function () {
  995. var _row = null;
  996. ko.utils.arrayForEach(self.rows(), function (row) {
  997. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  998. _row = row;
  999. }
  1000. });
  1001. return _row;
  1002. }, self);
  1003. self.oozieRows = ko.computed(function () {
  1004. var _rows = [];
  1005. ko.utils.arrayForEach(self.rows(), function (row) {
  1006. 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) {
  1007. _rows.push(row);
  1008. }
  1009. });
  1010. return _rows;
  1011. }, self);
  1012. self.enableOozieDropOnBefore = ko.observable(true);
  1013. self.enableOozieDropOnAfter = ko.observable(true);
  1014. return self;
  1015. }
  1016. var ExtendedRow = function (widgets, vm, columns) {
  1017. var self = new Row(widgets, vm, columns);
  1018. self.columnPrototype = ExtendedColumn;
  1019. self.enableOozieDrop = ko.computed(function(){
  1020. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  1021. });
  1022. self.enableOozieDropOnBefore = ko.observable(true);
  1023. self.enableOozieDropOnSide = ko.observable(true);
  1024. return self;
  1025. }
  1026. var ExtendedWidget = function (params) {
  1027. var self = new Widget(params);
  1028. self.oozieMovable = ko.computed(function() {
  1029. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  1030. });
  1031. self.oozieExpanded = ko.observable(false);
  1032. self.ooziePropertiesExpanded = ko.observable(false);
  1033. return self;
  1034. }