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() { // TODO: remove truncation when autocomplete
  75. if (self.actionParameters()){
  76. return $.map(self.actionParameters().slice(0, 3), function(param) {return param + '=...'}).join();
  77. }
  78. });
  79. self.actionParametersFetched = ko.observable(false);
  80. self.get_link = function (name) {
  81. var _link = null;
  82. $.each(self.children(), function (index, link) {
  83. if (name in link) {
  84. _link = link;
  85. return false;
  86. }
  87. });
  88. return _link;
  89. }
  90. self.set_link = function (name, node_id) {
  91. var _link = self.get_link(name);
  92. if (_link == null) {
  93. _link = {}
  94. self.children.push(_link);
  95. }
  96. _link[name] = node_id;
  97. self.children.valueHasMutated();
  98. }
  99. self.remove_link = function (name, child) {
  100. var _link = null;
  101. $.each(self.children(), function (index, link) {
  102. var _l = ko.mapping.toJS(link);
  103. if (name in _l && _l[name] == child) {
  104. _link = link;
  105. return false;
  106. }
  107. });
  108. if (_link != null) {
  109. self.children.remove(_link);
  110. }
  111. }
  112. if (typeof self.properties.parameters != "undefined") { // Fetch once the possible variable when they exist
  113. self.properties.parameters.subscribe(function(newVal) { // TODO: only fetch when first time focus on one of the parameters and showing the autocomplete.
  114. if (newVal && ! self.actionParametersFetched()) {
  115. $.post("/oozie/editor/workflow/action/parameters/", {
  116. "node": ko.mapping.toJSON(self),
  117. }, function (data) {
  118. self.actionParametersFetched(true);
  119. self.actionParameters(data.parameters);
  120. }).fail(function (xhr, textStatus, errorThrown) {
  121. $(document).trigger("error", xhr.responseText);
  122. });
  123. }
  124. });
  125. }
  126. if (typeof self.properties.script_path != "undefined") {
  127. self.properties.script_path.subscribe(function() {
  128. self.actionParametersFetched(false);
  129. });
  130. }
  131. }
  132. var Workflow = function (vm, workflow) {
  133. var self = this;
  134. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  135. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  136. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  137. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  138. self.nodes = ko.observableArray([]);
  139. self.movedNode = null;
  140. self.versions = ko.mapping.fromJS(['uri:oozie:workflow:0.4', 'uri:oozie:workflow:0.4.5', 'uri:oozie:workflow:0.5'])
  141. self.nodeIds = ko.computed(function () {
  142. var mapping = [];
  143. $.each(self.nodes(), function (index, node) {
  144. mapping.push(node.id());
  145. });
  146. return mapping;
  147. });
  148. self.nodeNamesMapping = ko.computed(function () {
  149. var mapping = {};
  150. $.each(self.nodes(), function (index, node) {
  151. mapping[node.id()] = node.name();
  152. });
  153. return mapping;
  154. });
  155. self.linkMapping = ko.computed(function () {
  156. var mapping = {};
  157. $.each(self.nodes(), function (index, node) {
  158. var links = []
  159. $.each(node.children(), function (index, link) {
  160. if ('to' in link) {
  161. links.push(link['to']);
  162. }
  163. });
  164. mapping[node.id()] = links
  165. });
  166. return mapping;
  167. });
  168. self.linkMapping.subscribe(function (newVal) {
  169. $(document).trigger("drawArrows");
  170. });
  171. self.loadNodes = function (workflow) {
  172. var nodes = []
  173. $.each(workflow.nodes, function (index, node) {
  174. var _node = new Node(node);
  175. nodes.push(_node);
  176. });
  177. self.nodes(nodes)
  178. }
  179. self.newNode = function (widget, callback) {
  180. $.ajax({
  181. type: "POST",
  182. url: "/oozie/editor/workflow/new_node/",
  183. data: {
  184. "workflow": ko.mapping.toJSON(workflow),
  185. "node": ko.mapping.toJSON(widget)
  186. },
  187. success: function (data) {
  188. if (data.status == 0) {
  189. viewModel.addActionProperties.removeAll();
  190. $.each(data.properties, function(i, prop) {
  191. viewModel.addActionProperties.push(ko.mapping.fromJS(prop));
  192. });
  193. if (data.workflows.length > 0) {
  194. viewModel.subworfklows(data.workflows);
  195. }
  196. if (callback) {
  197. callback(widget);
  198. }
  199. }
  200. },
  201. async: false
  202. });
  203. };
  204. self.addNode = function (widget) {
  205. $.post("/oozie/editor/workflow/add_node/", {
  206. "workflow": ko.mapping.toJSON(workflow),
  207. "node": ko.mapping.toJSON(widget),
  208. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  209. }, function (data) {
  210. if (data.status == 0) {
  211. var _node = ko.mapping.toJS(widget);
  212. _node.properties = data.properties;
  213. _node.name = data.name;
  214. if (self.movedNode) {
  215. var node = self.movedNode;
  216. } else {
  217. var node = new Node(_node);
  218. }
  219. self.nodes.push(node);
  220. // If added to the side
  221. if (vm.currentlyCreatingFork) {
  222. var parentWidget = vm.getWidgetPredecessor(node.id());
  223. var parent = self.getNodeById(parentWidget.id());
  224. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  225. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  226. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  227. var fork = new Node(vm.currentlyCreatedFork);
  228. var join = new Node(vm.currentlyCreatedJoin);
  229. self.nodes.push(fork);
  230. self.nodes.push(join);
  231. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  232. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  233. var afterParent = self.getNodeById(afterParentId);
  234. fork.children.push({'to': afterParentId, 'condition': ''});
  235. fork.children.push({'to': node.id(), 'condition': ''});
  236. forkParent.get_link('to')['to'] = fork.id();
  237. var belowJoin = vm.getWidgetSuccessor(join.id());
  238. join.set_link('to', belowJoin.id());
  239. if (afterParent.type() == 'fork-widget') {
  240. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  241. } else {
  242. afterParent.set_link('to', join.id());
  243. }
  244. node.set_link('to', join.id());
  245. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  246. } else {
  247. // Just add to existing fork
  248. var join = vm.getWidgetSuccessor(node.id());
  249. node.set_link('to', join.id());
  250. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  251. parent.children.push({'to': node.id(), 'condition': ''});
  252. }
  253. } else {
  254. var parentWidget = vm.getWidgetPredecessor(node.id());
  255. var parent = self.getNodeById(parentWidget.id());
  256. if (widget.widgetType() == 'kill-widget') {
  257. parent.set_link('to', node.id());
  258. } else if (parentWidget.widgetType() == 'fork-widget') {
  259. var child = vm.getWidgetSuccessor(node.id());
  260. parent.remove_link('to', child.id());
  261. parent.children.push({'to': node.id(), 'condition': ''});
  262. node.set_link('to', child.id());
  263. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  264. } else {
  265. // Parent is regular node
  266. node.set_link('to', parent.get_link('to')['to']);
  267. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  268. parent.set_link('to', node.id());
  269. }
  270. }
  271. vm.currentlyCreatingFork = false;
  272. } else {
  273. $(document).trigger("error", data.message);
  274. }
  275. }).fail(function (xhr, textStatus, errorThrown) {
  276. $(document).trigger("error", xhr.responseText);
  277. });
  278. };
  279. self.removeNode = function (node_id) {
  280. var node = self.getNodeById(node_id);
  281. var parents = self.getParents(node_id);
  282. var parent = null;
  283. var childLink = null;
  284. if (node) {
  285. childLink = node.get_link('to');
  286. }
  287. if (childLink) {
  288. var childId = ko.mapping.toJS(childLink)['to'];
  289. $.each(parents, function (index, _parent) {
  290. _parent.remove_link('to', node_id);
  291. _parent.children.unshift({'to': childId});
  292. parent = _parent;
  293. });
  294. self.nodes.remove(node);
  295. // If need to remove fork
  296. if (parent.type() == 'fork-widget') {
  297. var fork = parent;
  298. var join = self.getNodeById(childId);
  299. if (join.type() == 'join-widget') {
  300. if (fork.children().length == 2) {
  301. // Link top to above and delete fork
  302. fork.remove_link('to', childId);
  303. var forkParent = self.getParents(fork.id())[0];
  304. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  305. self.nodes.remove(fork);
  306. // Link bottom to child of join
  307. var beboreJoin = self.getParents(childId)[0];
  308. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  309. beboreJoin.set_link('to', joinChildId);
  310. self.nodes.remove(join);
  311. } else {
  312. parent.remove_link('to', childId);
  313. }
  314. }
  315. } else if (parent.type() == 'decision-widget') {
  316. parent.remove_link('to', childId);
  317. }
  318. }
  319. else {
  320. self.nodes.remove(node);
  321. }
  322. };
  323. self.moveNode = function (widget) {
  324. var node = self.getNodeById(widget.id());
  325. self.movedNode = node;
  326. self.removeNode(node.id());
  327. self.addNode(widget);
  328. self.movedNode = null;
  329. };
  330. self.getParents = function (node_id) { // Join nodes can have multiple parents
  331. var _nodes = [];
  332. $.each(self.nodes(), function (index, node) {
  333. $.each(node.children(), function (index, link) {
  334. var _link = ko.mapping.toJS(link);
  335. if ('to' in _link && _link.to == node_id) {
  336. _nodes.push(node);
  337. }
  338. })
  339. });
  340. return _nodes;
  341. };
  342. self.getNodeById = function (node_id) {
  343. var _node = null;
  344. $.each(self.nodes(), function (index, node) {
  345. if (node.id() == node_id) {
  346. _node = node;
  347. return false;
  348. }
  349. });
  350. return _node;
  351. };
  352. }
  353. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json) {
  354. var self = this;
  355. self.isNested = ko.observable(true);
  356. self.isEditing = ko.observable(true);
  357. self.isEditing.subscribe(function (newVal) {
  358. $(document).trigger("editingToggled");
  359. });
  360. self.toggleEditing = function () {
  361. self.isEditing(!self.isEditing());
  362. };
  363. self.hasArrows = ko.observable(true);
  364. self.hasArrows.subscribe(function (newVal) {
  365. if (newVal){
  366. $(document).trigger("drawArrows");
  367. }
  368. else {
  369. $(document).trigger("removeArrows");
  370. }
  371. });
  372. self.toggleArrows = function () {
  373. self.hasArrows(! self.hasArrows());
  374. };
  375. self.newAction = ko.observable();
  376. self.columns = ko.observableArray([]);
  377. self.oozieColumns = ko.observableArray([]);
  378. self.previewColumns = ko.observable("");
  379. self.workflow = new Workflow(self, workflow_json);
  380. self.credentials = ko.mapping.fromJSON(credentials_json);
  381. self.inited = ko.observable(self.oozieColumns().length > 0);
  382. self.init = function (callback) {
  383. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  384. loadLayout(self, layout_json);
  385. self.workflow.loadNodes(workflow_json);
  386. };
  387. self.addActionProperties = ko.observableArray([]);
  388. self.addActionPropertiesFilledOut = ko.computed(function (){
  389. var _filledInternalValues = function (val) {
  390. var _iAllFilled = true;
  391. val.forEach(function(iVal){
  392. if (iVal.value() == ''){
  393. _iAllFilled = false;
  394. }
  395. });
  396. return _iAllFilled;
  397. }
  398. var _allFilled = true;
  399. ko.utils.arrayForEach(self.addActionProperties(), function (property) {
  400. var _val = property.value();
  401. if (($.isArray(_val) && !_filledInternalValues(_val) ) || _val == ''){
  402. _allFilled = false;
  403. }
  404. });
  405. return _allFilled;
  406. });
  407. self.subworfklows = ko.observableArray(subworkflows_json);
  408. self.getSubWorkflow = function(uuid) {
  409. var wf = $.grep(self.subworfklows(), function(wf, i) {
  410. return wf.value == uuid;
  411. });
  412. if (wf[0]) {
  413. return ko.mapping.fromJS(wf[0]);
  414. }
  415. };
  416. self.currentlyDraggedWidget = ko.observable(null);
  417. self.currentlyDraggedOp = ko.observable("move");
  418. self.currentlyDraggedWidget.subscribe(function (widget) {
  419. toggleSideDrop(widget, false);
  420. });
  421. self.setCurrentlyDraggedWidget = function (widget, op) {
  422. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  423. self.currentlyDraggedWidget(widget);
  424. }
  425. self.enableSideDrop = function (widget) {
  426. toggleSideDrop(widget, true);
  427. }
  428. function toggleSideDrop(widget, enable) {
  429. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  430. var _row = self.getWidgetParentRow(widget.id());
  431. if (_row) {
  432. _row.enableOozieDropOnSide(enable);
  433. _row.enableOozieDropOnBefore(enable);
  434. var _parentRow = self.getRowParentRow(_row.id());
  435. if (_parentRow) {
  436. _parentRow.enableOozieDropOnSide(enable);
  437. if (_parentRow.columns().length <= 2) {
  438. _parentRow.columns().forEach(function (col) {
  439. col.enableOozieDropOnBefore(enable);
  440. col.enableOozieDropOnAfter(enable);
  441. col.rows()[0].enableOozieDropOnSide(enable);
  442. });
  443. var _prevParentRow = self.getPrevRow(_parentRow);
  444. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  445. _prevParentRow.enableOozieDropOnSide(enable);
  446. }
  447. }
  448. }
  449. var _col = self.getRowParentColumn(_row.id());
  450. if (self.getColumnParentRow(_col.id()) != null) {
  451. _col.enableOozieDropOnBefore(enable);
  452. _col.enableOozieDropOnAfter(enable);
  453. }
  454. var _prevRow = self.getPrevRow(_row);
  455. if (_prevRow) {
  456. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  457. _prevRow.enableOozieDropOnSide(enable);
  458. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  459. }
  460. }
  461. var _nextRow = self.getNextRow(_row);
  462. if (_nextRow) {
  463. _nextRow.enableOozieDropOnBefore(enable);
  464. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  465. _nextRow.enableOozieDropOnSide(enable);
  466. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  467. }
  468. }
  469. }
  470. }
  471. }
  472. self.currentlyCreatingFork = false;
  473. self.currentlyCreatedFork = null;
  474. self.currentlyCreatedJoin = null;
  475. self.isDragging = ko.observable(false);
  476. self.addDraggedWidget = function (target, atBeginning) {
  477. if (self.currentlyDraggedWidget() != null) {
  478. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  479. var _newRow = null;
  480. if (typeof atBeginning != "undefined") {
  481. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  482. if (atBeginning) {
  483. _newRow = _parentCol.addEmptyRow(false, 1);
  484. }
  485. else {
  486. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  487. }
  488. }
  489. else {
  490. _newRow = _parentCol.addEmptyRow(atBeginning);
  491. }
  492. }
  493. else {
  494. var _rowIdx = 0;
  495. $.each(_parentCol.rows(), function (i, irow) {
  496. if (irow.id() == target.id()) {
  497. _rowIdx = i;
  498. }
  499. });
  500. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  501. }
  502. var _w = new ExtendedWidget({
  503. size: self.currentlyDraggedWidget().size(),
  504. id: UUID(),
  505. name: self.currentlyDraggedWidget().name(),
  506. widgetType: self.currentlyDraggedWidget().widgetType(),
  507. properties: self.currentlyDraggedWidget().properties(),
  508. offset: self.currentlyDraggedWidget().offset(),
  509. loading: true,
  510. vm: self
  511. });
  512. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  513. self.removeWidgetById(self.currentlyDraggedWidget().id());
  514. _w = self.currentlyDraggedWidget();
  515. }
  516. _newRow.widgets([_w]);
  517. return _w;
  518. }
  519. }
  520. self.addSideDraggedWidget = function (row, atBeginning) {
  521. if (self.currentlyDraggedWidget() != null) {
  522. var _parentCol = self.getRowParentColumn(row.id());
  523. var _rowIdx = 0;
  524. $.each(_parentCol.rows(), function (i, irow) {
  525. if (irow.id() == row.id()) {
  526. _rowIdx = i;
  527. }
  528. });
  529. var _addForkAndJoin = (row.columns().length == 0);
  530. if (_addForkAndJoin) {
  531. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  532. var _id = UUID();
  533. var _fork = new ExtendedWidget({
  534. size: 12,
  535. id: _id,
  536. name: 'fork' + '-' + _id.slice(0, 4),
  537. widgetType: "fork-widget",
  538. properties: {},
  539. offset: 0,
  540. loading: true,
  541. vm: self
  542. });
  543. _forkRow.widgets([_fork]);
  544. }
  545. var _w = new ExtendedWidget({
  546. size: self.currentlyDraggedWidget().size(),
  547. id: UUID(),
  548. name: self.currentlyDraggedWidget().name(),
  549. widgetType: self.currentlyDraggedWidget().widgetType(),
  550. properties: self.currentlyDraggedWidget().properties(),
  551. offset: self.currentlyDraggedWidget().offset(),
  552. loading: true,
  553. vm: self
  554. });
  555. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  556. self.removeWidgetById(self.currentlyDraggedWidget().id());
  557. _w = self.currentlyDraggedWidget();
  558. }
  559. if (row.columns().length == 0) {
  560. var _col = row.addColumn(null, atBeginning);
  561. if (row.widgets().length > 0) {
  562. var _row = _col.addEmptyRow();
  563. row.widgets().forEach(function (widget) {
  564. _row.addWidget(widget);
  565. });
  566. if (row.widgets()[0].widgetType() == "fork-widget") {
  567. var _widgetsRow = self.getNextRow(row);
  568. var _joinRow = self.getNextRow(_widgetsRow);
  569. _col.rows.push(_widgetsRow);
  570. _col.rows.push(_joinRow);
  571. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  572. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  573. }
  574. row.widgets([]);
  575. }
  576. }
  577. var _col = row.addColumn(null, atBeginning);
  578. var _row = new ExtendedRow([_w], self);
  579. _col.addRow(_row);
  580. if (_addForkAndJoin) {
  581. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  582. var _id = UUID();
  583. var _join = new ExtendedWidget({
  584. size: 12,
  585. id: _id,
  586. name: "join" + '-' + _id.slice(0, 4),
  587. widgetType: "join-widget",
  588. properties: {},
  589. offset: 0,
  590. loading: true,
  591. vm: self
  592. });
  593. _joinRow.widgets([_join]);
  594. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  595. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  596. }
  597. self.currentlyCreatingFork = true;
  598. return _w;
  599. }
  600. }
  601. self.removeWidget = function (widget_json) {
  602. self.workflow.removeNode(widget_json.id());
  603. self.removeWidgetById(widget_json.id());
  604. }
  605. self.removeWidgetById = function (widget_id) {
  606. $.each(self.oozieColumns(), function (i, col) {
  607. self.deeplyRemoveWidgetById(widget_id, col, self)
  608. });
  609. }
  610. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  611. if (col) {
  612. $.each(col.rows(), function (j, row) {
  613. if (row && row.widgets()) {
  614. $.each(row.widgets(), function (z, widget) {
  615. if (widget.id() == widget_id) {
  616. row.widgets.remove(widget);
  617. col.rows.remove(row);
  618. }
  619. });
  620. }
  621. if (row && row.columns()) {
  622. $.each(row.columns(), function (i, icol) {
  623. self.deeplyRemoveWidgetById(widget_id, icol, row);
  624. });
  625. }
  626. });
  627. if (col.rows().length == 0) {
  628. parent.columns.remove(col);
  629. if (parent.columns().length > 1) {
  630. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  631. parent.columns().forEach(function (icol) {
  632. icol.size(_size);
  633. });
  634. }
  635. else {
  636. var _rows = parent.columns()[0].rows();
  637. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  638. var _prevRowIdx = -1;
  639. for (var i = 0; i < _parentRows().length; i++) {
  640. if (_parentRows()[i].id() == parent.id()) {
  641. break;
  642. }
  643. _prevRowIdx = i;
  644. }
  645. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  646. _parentRows.remove(_parentRows()[_prevRowIdx]);
  647. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  648. }
  649. for (var i = 0; i < _rows.length; i++) {
  650. if (i == 0) {
  651. parent.widgets(_rows[i].widgets());
  652. }
  653. else {
  654. _parentRows.push(_rows[i]);
  655. }
  656. }
  657. parent.columns([]);
  658. }
  659. }
  660. }
  661. }
  662. self.getWidgetRelative = function (widget_id, isPredecessor) {
  663. var _row = self.getWidgetParentRow(widget_id);
  664. var _col = self.getRowParentColumn(_row.id());
  665. var _nextRow = null;
  666. for (var i = 0; i < _col.rows().length; i++) {
  667. if (_col.rows()[i].id() == _row.id()) {
  668. if (!isPredecessor && _col.rows().length >= i + 1) {
  669. _nextRow = _col.rows()[i + 1];
  670. }
  671. break;
  672. }
  673. _nextRow = _col.rows()[i];
  674. }
  675. if (_nextRow != null) {
  676. return _nextRow.widgets()[0];
  677. }
  678. else {
  679. var _parentRow = self.getColumnParentRow(_col.id());
  680. if (_parentRow) {
  681. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  682. var _nextParentRow = null;
  683. for (var i = 0; i < _parentColumn.rows().length; i++) {
  684. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  685. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  686. _nextParentRow = _parentColumn.rows()[i + 1];
  687. }
  688. break;
  689. }
  690. _nextParentRow = _parentColumn.rows()[i];
  691. }
  692. if (_nextParentRow != null) {
  693. return _nextParentRow.widgets()[0];
  694. }
  695. }
  696. }
  697. return null;
  698. }
  699. self.getWidgetPredecessor = function (widget_id) {
  700. return self.getWidgetRelative(widget_id, true);
  701. }
  702. self.getWidgetSuccessor = function (widget_id) {
  703. return self.getWidgetRelative(widget_id, false);
  704. }
  705. self.isRowAfterFork = function (row) {
  706. var _parentColumn = self.getRowParentColumn(row.id());
  707. var _prevRow = null;
  708. for (var i = 0; i < _parentColumn.rows().length; i++) {
  709. var _currentRow = _parentColumn.rows()[i];
  710. if (_currentRow.id() == row.id()) {
  711. break;
  712. }
  713. _prevRow = _currentRow;
  714. }
  715. if (_prevRow != null) {
  716. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  717. }
  718. return false;
  719. }
  720. self.isRowBeforeJoin = function (row) {
  721. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  722. }
  723. self.getNextRow = function (row) {
  724. var _parentColumn = self.getRowParentColumn(row.id());
  725. var _nextParentRow = null;
  726. for (var i = 0; i < _parentColumn.rows().length; i++) {
  727. if (_parentColumn.rows()[i].id() == row.id()) {
  728. if (_parentColumn.rows().length >= i + 1) {
  729. _nextParentRow = _parentColumn.rows()[i + 1];
  730. }
  731. break;
  732. }
  733. _nextParentRow = _parentColumn.rows()[i];
  734. }
  735. return _nextParentRow;
  736. }
  737. self.getPrevRow = function (row) {
  738. var _parentColumn = self.getRowParentColumn(row.id());
  739. var _prevParentRow = null;
  740. for (var i = 0; i < _parentColumn.rows().length; i++) {
  741. if (_parentColumn.rows()[i].id() == row.id()) {
  742. if (i > 0) {
  743. _prevParentRow = _parentColumn.rows()[i - 1];
  744. }
  745. break;
  746. }
  747. _prevParentRow = _parentColumn.rows()[i];
  748. }
  749. return _prevParentRow;
  750. }
  751. self.getWidgetParentRow = function (widget_id) {
  752. var _row = null;
  753. for (var i = 0; i < self.oozieColumns().length; i++) {
  754. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  755. if (_row != null) {
  756. break;
  757. }
  758. }
  759. return _row;
  760. }
  761. self.getRowParentColumn = function (row_id) {
  762. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  763. }
  764. self.getColumnParentRow = function (col_id) {
  765. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  766. }
  767. self.getRowParentRow = function (row_id) {
  768. var _col = self.getRowParentColumn(row_id);
  769. if (_col != null) {
  770. return self.getColumnParentRow(_col.id());
  771. }
  772. }
  773. self.traverseColumnForColumn = function (row_id, col) {
  774. var _column = null;
  775. if (col) {
  776. for (var j = 0; j < col.rows().length; j++) {
  777. var row = col.rows()[j];
  778. for (var z = 0; z < row.columns().length; z++) {
  779. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  780. if (_column != null) {
  781. return _column;
  782. }
  783. }
  784. if (row.id() == row_id) {
  785. _column = col;
  786. return _column;
  787. }
  788. }
  789. }
  790. return _column;
  791. }
  792. self.traverseColumnForRow = function (col_id, col) {
  793. var _row = null;
  794. if (col) {
  795. for (var j = 0; j < col.rows().length; j++) {
  796. var row = col.rows()[j];
  797. for (var z = 0; z < row.columns().length; z++) {
  798. var _col = row.columns()[z];
  799. if (_col.id() == col_id) {
  800. _row = row;
  801. }
  802. else {
  803. _row = self.traverseColumnForRow(col_id, _col);
  804. }
  805. if (_row != null) {
  806. return _row;
  807. }
  808. }
  809. }
  810. }
  811. return _row;
  812. }
  813. self.traverseColumnForWidget = function (widget_id, col) {
  814. var _row = null;
  815. if (col) {
  816. for (var j = 0; j < col.rows().length; j++) {
  817. var row = col.rows()[j];
  818. for (var z = 0; z < row.widgets().length; z++) {
  819. var widget = row.widgets()[z];
  820. if (widget.id() == widget_id) {
  821. _row = row;
  822. break;
  823. }
  824. }
  825. if (_row != null) {
  826. break;
  827. }
  828. for (var z = 0; z < row.columns().length; z++) {
  829. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  830. if (_row != null) {
  831. break;
  832. }
  833. }
  834. }
  835. }
  836. return _row;
  837. }
  838. self.convertToDecision = function (widget, node) {
  839. if (widget.widgetType() == "fork-widget") {
  840. var _row = self.getWidgetParentRow(widget.id());
  841. var _next = self.getNextRow(_row);
  842. while (_next.widgets().length == 0) {
  843. _next = self.getNextRow(_next);
  844. }
  845. // Remove the join
  846. self.workflow.removeNode(_next.widgets()[0].id());
  847. self.removeWidgetById(_next.widgets()[0].id());
  848. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  849. widget.widgetType("decision-widget");
  850. node.type("decision-widget");
  851. var _newName = "decision-" + node.id().slice(0, 4);
  852. node.name(_newName);
  853. widget.name(_newName);
  854. $(document).trigger("drawArrows");
  855. }
  856. }
  857. self.save = function () {
  858. $.post("/oozie/editor/workflow/save/", {
  859. "layout": ko.mapping.toJSON(self.oozieColumns),
  860. "workflow": ko.mapping.toJSON(self.workflow)
  861. }, function (data) {
  862. if (data.status == 0) {
  863. if (self.workflow.id() == null) {
  864. shareViewModel.setDocId(data.doc1_id);
  865. }
  866. self.workflow.id(data.id);
  867. $(document).trigger("info", data.message);
  868. if (window.location.search.indexOf("workflow") == -1) {
  869. window.location.hash = '#workflow=' + data.id;
  870. }
  871. }
  872. else {
  873. $(document).trigger("error", data.message);
  874. }
  875. }).fail(function (xhr, textStatus, errorThrown) {
  876. $(document).trigger("error", xhr.responseText);
  877. });
  878. };
  879. self.gen_xml = function () {
  880. $.post("/oozie/editor/workflow/gen_xml/", {
  881. "layout": ko.mapping.toJSON(self.oozieColumns),
  882. "workflow": ko.mapping.toJSON(self.workflow)
  883. }, function (data) {
  884. if (data.status == 0) {
  885. console.log(data.xml);
  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.showSubmitPopup = function () {
  895. // If self.workflow.id() == null, need to save wf for now
  896. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  897. }, function (data) {
  898. $(document).trigger("showSubmitPopup", data);
  899. }).fail(function (xhr, textStatus, errorThrown) {
  900. $(document).trigger("error", xhr.responseText);
  901. });
  902. };
  903. function bareWidgetBuilder(name, type) {
  904. return new ExtendedWidget({
  905. size: 12,
  906. id: "",
  907. name: name,
  908. widgetType: type
  909. });
  910. }
  911. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  912. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  913. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  914. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  915. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  916. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  917. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  918. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  919. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  920. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  921. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  922. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  923. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  924. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  925. };
  926. function logGA(page) {
  927. if (typeof trackOnGA == 'function') {
  928. trackOnGA('oozie/editor/workflow' + page);
  929. }
  930. }
  931. var ExtendedColumn = function (size, rows) {
  932. var self = new Column(size, rows);
  933. self.rowPrototype = ExtendedRow;
  934. self.oozieStartRow = ko.computed(function () {
  935. var _row = null;
  936. ko.utils.arrayForEach(self.rows(), function (row) {
  937. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  938. _row = row;
  939. }
  940. });
  941. return _row;
  942. }, self);
  943. self.oozieEndRow = ko.computed(function () {
  944. var _row = null;
  945. ko.utils.arrayForEach(self.rows(), function (row) {
  946. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  947. _row = row;
  948. }
  949. });
  950. return _row;
  951. }, self);
  952. self.oozieKillRow = ko.computed(function () {
  953. var _row = null;
  954. ko.utils.arrayForEach(self.rows(), function (row) {
  955. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  956. _row = row;
  957. }
  958. });
  959. return _row;
  960. }, self);
  961. self.oozieRows = ko.computed(function () {
  962. var _rows = [];
  963. ko.utils.arrayForEach(self.rows(), function (row) {
  964. 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) {
  965. _rows.push(row);
  966. }
  967. });
  968. return _rows;
  969. }, self);
  970. self.enableOozieDropOnBefore = ko.observable(true);
  971. self.enableOozieDropOnAfter = ko.observable(true);
  972. return self;
  973. }
  974. var ExtendedRow = function (widgets, vm, columns) {
  975. var self = new Row(widgets, vm, columns);
  976. self.columnPrototype = ExtendedColumn;
  977. self.enableOozieDrop = ko.computed(function(){
  978. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  979. });
  980. self.enableOozieDropOnBefore = ko.observable(true);
  981. self.enableOozieDropOnSide = ko.observable(true);
  982. return self;
  983. }
  984. var ExtendedWidget = function (params) {
  985. var self = new Widget(params);
  986. self.oozieMovable = ko.computed(function() {
  987. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  988. });
  989. self.oozieExpanded = ko.observable(false);
  990. self.ooziePropertiesExpanded = ko.observable(false);
  991. return self;
  992. }