workflow-editor.ko.js 36 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. ko.bindingHandlers.droppable = {
  17. init: function (element, valueAccessor) {
  18. var _dropElement = $(element);
  19. var _options = valueAccessor();
  20. if (_options.enabled) {
  21. var _dropOptions = {
  22. hoverClass: 'drop-target-highlight',
  23. drop: _options.onDrop
  24. };
  25. _dropElement.droppable(_dropOptions);
  26. }
  27. }
  28. };
  29. function magicLayout(vm) {
  30. loadLayout(vm, vm.initial.layout);
  31. $(document).trigger("magicLayout");
  32. }
  33. function loadColumns(viewModel, json_layout) {
  34. var _columns = [];
  35. $(json_layout).each(function (cnt, json_col) {
  36. var _rows = [];
  37. $(json_col.rows).each(function (rcnt, json_row) {
  38. var row = new ExtendedRow([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. var _w = new ExtendedWidget({
  41. size: widget.size,
  42. id: widget.id,
  43. name: widget.name,
  44. widgetType: widget.widgetType,
  45. properties: widget.properties,
  46. offset: widget.offset,
  47. loading: true,
  48. vm: viewModel
  49. });
  50. row.addWidget(_w);
  51. });
  52. row.columns(loadColumns(viewModel, json_row.columns));
  53. _rows.push(row);
  54. });
  55. var column = new ExtendedColumn(json_col.size, _rows);
  56. _columns = _columns.concat(column);
  57. });
  58. return _columns;
  59. }
  60. function loadLayout(viewModel, json_layout) {
  61. var _cols = loadColumns(viewModel, json_layout);
  62. viewModel.oozieColumns(_cols);
  63. }
  64. // End dashboard lib
  65. var Node = function (node) {
  66. var self = this;
  67. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  68. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  69. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  70. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  71. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  72. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  73. self.actionParameters = ko.observableArray([]);
  74. self.actionParametersUI = ko.computed(function() {
  75. if (typeof self.properties.parameters != "undefined") {
  76. var _vars = $.map(self.properties.parameters(), function(p, i) { return p.value().split('=', 1)[0]; });
  77. if (typeof self.actionParameters() == "undefined"){
  78. return _vars;
  79. }
  80. return $.grep(self.actionParameters(), function(param) {
  81. return _vars.indexOf(param) == -1;
  82. });
  83. }
  84. });
  85. self.actionParametersFetched = ko.observable(false);
  86. self.get_link = function (name) {
  87. var _link = null;
  88. $.each(self.children(), function (index, link) {
  89. if (name in link) {
  90. _link = link;
  91. return false;
  92. }
  93. });
  94. return _link;
  95. };
  96. self.set_link = function (name, node_id) {
  97. var _link = self.get_link(name);
  98. if (_link == null) {
  99. _link = {}
  100. self.children.push(_link);
  101. }
  102. _link[name] = node_id;
  103. self.children.valueHasMutated();
  104. };
  105. self.remove_link = function (name, child) {
  106. var _link = null;
  107. $.each(self.children(), function (index, link) {
  108. var _l = ko.mapping.toJS(link);
  109. if (name in _l && _l[name] == child) {
  110. _link = link;
  111. return false;
  112. }
  113. });
  114. if (_link != null) {
  115. self.children.remove(_link);
  116. }
  117. };
  118. self.fetch_parameters = function() {
  119. if (typeof self.properties.parameters != "undefined" && ! self.actionParametersFetched()) { // Fetch once the possible variable when they exist
  120. $.post("/oozie/editor/workflow/action/parameters/", {
  121. "node": ko.mapping.toJSON(self),
  122. }, function (data) {
  123. self.actionParametersFetched(true);
  124. self.actionParameters(data.parameters);
  125. if (data.parameters && data.parameters.length > 0 && self.properties.parameters().length == 0) { // If new node with variables, give a hint by adding a parameter
  126. self.properties.parameters.push(ko.mapping.fromJS({'value': ''}));
  127. }
  128. }).fail(function (xhr, textStatus, errorThrown) {
  129. $(document).trigger("error", xhr.responseText);
  130. });
  131. }
  132. };
  133. if (typeof self.properties.parameters != "undefined") {
  134. self.properties.parameters.subscribe(function(newVal) {
  135. if (newVal) {
  136. self.fetch_parameters();
  137. }
  138. });
  139. }
  140. if (typeof self.properties.script_path != "undefined") {
  141. self.properties.script_path.subscribe(function() {
  142. self.actionParametersFetched(false);
  143. });
  144. }
  145. }
  146. var Workflow = function (vm, workflow) {
  147. var self = this;
  148. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  149. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  150. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  151. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  152. self.nodes = ko.observableArray([]);
  153. self.versions = ko.mapping.fromJS(['uri:oozie:workflow:0.4', 'uri:oozie:workflow:0.4.5', 'uri:oozie:workflow:0.5']);
  154. self.movedNode = null;
  155. self.properties.show_arrows.subscribe(function (newVal) {
  156. if (newVal){
  157. $(document).trigger("drawArrows");
  158. }
  159. else {
  160. $(document).trigger("removeArrows");
  161. }
  162. });
  163. self.nodeIds = ko.computed(function () {
  164. var mapping = [];
  165. $.each(self.nodes(), function (index, node) {
  166. mapping.push(node.id());
  167. });
  168. return mapping;
  169. });
  170. self.nodeNamesMapping = ko.computed(function () {
  171. var mapping = {};
  172. $.each(self.nodes(), function (index, node) {
  173. mapping[node.id()] = node.name();
  174. });
  175. return mapping;
  176. });
  177. self.linkMapping = ko.computed(function () {
  178. var mapping = {};
  179. $.each(self.nodes(), function (index, node) {
  180. var links = []
  181. $.each(node.children(), function (index, link) {
  182. if ('to' in link) {
  183. links.push(link['to']);
  184. }
  185. });
  186. mapping[node.id()] = links
  187. });
  188. return mapping;
  189. });
  190. self.linkMapping.subscribe(function (newVal) {
  191. $(document).trigger("drawArrows");
  192. });
  193. self.loadNodes = function (workflow) {
  194. var nodes = []
  195. $.each(workflow.nodes, function (index, node) {
  196. var _node = new Node(node);
  197. nodes.push(_node);
  198. });
  199. self.nodes(nodes)
  200. }
  201. self.newNode = function (widget, callback) {
  202. $.ajax({
  203. type: "POST",
  204. url: "/oozie/editor/workflow/new_node/",
  205. data: {
  206. "workflow": ko.mapping.toJSON(workflow),
  207. "node": ko.mapping.toJSON(widget)
  208. },
  209. success: function (data) {
  210. if (data.status == 0) {
  211. viewModel.addActionProperties.removeAll();
  212. $.each(data.properties, function(i, prop) {
  213. viewModel.addActionProperties.push(ko.mapping.fromJS(prop));
  214. });
  215. if (data.workflows.length > 0) {
  216. viewModel.subworfklows(data.workflows);
  217. }
  218. if (callback) {
  219. callback(widget);
  220. }
  221. }
  222. },
  223. async: false
  224. });
  225. };
  226. self.addNode = function (widget) {
  227. $.post("/oozie/editor/workflow/add_node/", {
  228. "workflow": ko.mapping.toJSON(workflow),
  229. "node": ko.mapping.toJSON(widget),
  230. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  231. }, function (data) {
  232. if (data.status == 0) {
  233. var _node = ko.mapping.toJS(widget);
  234. _node.properties = data.properties;
  235. _node.name = data.name;
  236. if (self.movedNode) {
  237. var node = self.movedNode;
  238. } else {
  239. var node = new Node(_node);
  240. node.fetch_parameters();
  241. }
  242. self.nodes.push(node);
  243. // If added to the side
  244. if (vm.currentlyCreatingFork) {
  245. var parentWidget = vm.getWidgetPredecessor(node.id());
  246. var parent = self.getNodeById(parentWidget.id());
  247. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  248. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  249. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  250. var fork = new Node(vm.currentlyCreatedFork);
  251. var join = new Node(vm.currentlyCreatedJoin);
  252. self.nodes.push(fork);
  253. self.nodes.push(join);
  254. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  255. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  256. var afterParent = self.getNodeById(afterParentId);
  257. fork.children.push({'to': afterParentId, 'condition': ''});
  258. fork.children.push({'to': node.id(), 'condition': ''});
  259. forkParent.get_link('to')['to'] = fork.id();
  260. var belowJoin = vm.getWidgetSuccessor(join.id());
  261. join.set_link('to', belowJoin.id());
  262. if (afterParent.type() == 'fork-widget') {
  263. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  264. } else {
  265. afterParent.set_link('to', join.id());
  266. }
  267. node.set_link('to', join.id());
  268. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  269. } else {
  270. // Just add to existing fork
  271. var join = vm.getWidgetSuccessor(node.id());
  272. node.set_link('to', join.id());
  273. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  274. parent.children.push({'to': node.id(), 'condition': ''});
  275. }
  276. } else {
  277. var parentWidget = vm.getWidgetPredecessor(node.id());
  278. var parent = self.getNodeById(parentWidget.id());
  279. if (widget.widgetType() == 'kill-widget') {
  280. parent.set_link('to', node.id());
  281. } else if (parentWidget.widgetType() == 'fork-widget') {
  282. var child = vm.getWidgetSuccessor(node.id());
  283. parent.remove_link('to', child.id());
  284. parent.children.push({'to': node.id(), 'condition': ''});
  285. node.set_link('to', child.id());
  286. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  287. } else {
  288. // Parent is regular node
  289. node.set_link('to', parent.get_link('to')['to']);
  290. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  291. parent.set_link('to', node.id());
  292. }
  293. }
  294. vm.currentlyCreatingFork = false;
  295. } else {
  296. $(document).trigger("error", data.message);
  297. }
  298. }).fail(function (xhr, textStatus, errorThrown) {
  299. $(document).trigger("error", xhr.responseText);
  300. });
  301. };
  302. self.removeNode = function (node_id) {
  303. var node = self.getNodeById(node_id);
  304. var parents = self.getParents(node_id);
  305. var parent = null;
  306. var childLink = null;
  307. if (node) {
  308. childLink = node.get_link('to');
  309. }
  310. if (childLink) {
  311. var childId = ko.mapping.toJS(childLink)['to'];
  312. $.each(parents, function (index, _parent) {
  313. _parent.remove_link('to', node_id);
  314. _parent.children.unshift({'to': childId});
  315. parent = _parent;
  316. });
  317. self.nodes.remove(node);
  318. // If need to remove fork
  319. if (parent.type() == 'fork-widget') {
  320. var fork = parent;
  321. var join = self.getNodeById(childId);
  322. if (join.type() == 'join-widget') {
  323. if (fork.children().length == 2) {
  324. // Link top to above and delete fork
  325. fork.remove_link('to', childId);
  326. var forkParent = self.getParents(fork.id())[0];
  327. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  328. self.nodes.remove(fork);
  329. // Link bottom to child of join
  330. var beboreJoin = self.getParents(childId)[0];
  331. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  332. beboreJoin.set_link('to', joinChildId);
  333. self.nodes.remove(join);
  334. } else {
  335. parent.remove_link('to', childId);
  336. }
  337. }
  338. } else if (parent.type() == 'decision-widget') {
  339. parent.remove_link('to', childId);
  340. }
  341. }
  342. else {
  343. self.nodes.remove(node);
  344. }
  345. };
  346. self.moveNode = function (widget) {
  347. var node = self.getNodeById(widget.id());
  348. self.movedNode = node;
  349. self.removeNode(node.id());
  350. self.addNode(widget);
  351. self.movedNode = null;
  352. };
  353. self.getParents = function (node_id) { // Join nodes can have multiple parents
  354. var _nodes = [];
  355. $.each(self.nodes(), function (index, node) {
  356. $.each(node.children(), function (index, link) {
  357. var _link = ko.mapping.toJS(link);
  358. if ('to' in _link && _link.to == node_id) {
  359. _nodes.push(node);
  360. }
  361. })
  362. });
  363. return _nodes;
  364. };
  365. self.getNodeById = function (node_id) {
  366. var _node = null;
  367. $.each(self.nodes(), function (index, node) {
  368. if (node.id() == node_id) {
  369. _node = node;
  370. return false;
  371. }
  372. });
  373. return _node;
  374. };
  375. }
  376. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json) {
  377. var self = this;
  378. self.isNested = ko.observable(true);
  379. self.isEditing = ko.observable(true);
  380. self.isEditing.subscribe(function (newVal) {
  381. $(document).trigger("editingToggled");
  382. });
  383. self.toggleEditing = function () {
  384. self.isEditing(!self.isEditing());
  385. };
  386. self.newAction = ko.observable();
  387. self.columns = ko.observableArray([]);
  388. self.oozieColumns = ko.observableArray([]);
  389. self.previewColumns = ko.observable("");
  390. self.workflow = new Workflow(self, workflow_json);
  391. self.credentials = ko.mapping.fromJSON(credentials_json);
  392. self.inited = ko.observable(self.oozieColumns().length > 0);
  393. self.init = function (callback) {
  394. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  395. loadLayout(self, layout_json);
  396. self.workflow.loadNodes(workflow_json);
  397. };
  398. self.addActionProperties = ko.observableArray([]);
  399. self.addActionPropertiesFilledOut = ko.computed(function (){
  400. var _filledInternalValues = function (val) {
  401. var _iAllFilled = true;
  402. val.forEach(function(iVal){
  403. if (iVal.value() == ''){
  404. _iAllFilled = false;
  405. }
  406. });
  407. return _iAllFilled;
  408. }
  409. var _allFilled = true;
  410. ko.utils.arrayForEach(self.addActionProperties(), function (property) {
  411. var _val = property.value();
  412. if (($.isArray(_val) && !_filledInternalValues(_val) ) || _val == ''){
  413. _allFilled = false;
  414. }
  415. });
  416. return _allFilled;
  417. });
  418. self.subworfklows = ko.observableArray(subworkflows_json);
  419. self.getSubWorkflow = function(uuid) {
  420. var wf = $.grep(self.subworfklows(), function(wf, i) {
  421. return wf.value == uuid;
  422. });
  423. if (wf[0]) {
  424. return ko.mapping.fromJS(wf[0]);
  425. }
  426. };
  427. self.currentlyDraggedWidget = ko.observable(null);
  428. self.currentlyDraggedOp = ko.observable("move");
  429. self.currentlyDraggedWidget.subscribe(function (widget) {
  430. toggleSideDrop(widget, false);
  431. });
  432. self.setCurrentlyDraggedWidget = function (widget, op) {
  433. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  434. self.currentlyDraggedWidget(widget);
  435. }
  436. self.enableSideDrop = function (widget) {
  437. toggleSideDrop(widget, true);
  438. }
  439. function toggleSideDrop(widget, enable) {
  440. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  441. var _row = self.getWidgetParentRow(widget.id());
  442. if (_row) {
  443. _row.enableOozieDropOnSide(enable);
  444. _row.enableOozieDropOnBefore(enable);
  445. var _parentRow = self.getRowParentRow(_row.id());
  446. if (_parentRow) {
  447. _parentRow.enableOozieDropOnSide(enable);
  448. if (_parentRow.columns().length <= 2) {
  449. _parentRow.columns().forEach(function (col) {
  450. col.enableOozieDropOnBefore(enable);
  451. col.enableOozieDropOnAfter(enable);
  452. col.rows()[0].enableOozieDropOnSide(enable);
  453. });
  454. var _prevParentRow = self.getPrevRow(_parentRow);
  455. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  456. _prevParentRow.enableOozieDropOnSide(enable);
  457. }
  458. }
  459. }
  460. var _col = self.getRowParentColumn(_row.id());
  461. if (self.getColumnParentRow(_col.id()) != null) {
  462. _col.enableOozieDropOnBefore(enable);
  463. _col.enableOozieDropOnAfter(enable);
  464. }
  465. var _prevRow = self.getPrevRow(_row);
  466. if (_prevRow) {
  467. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  468. _prevRow.enableOozieDropOnSide(enable);
  469. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  470. }
  471. }
  472. var _nextRow = self.getNextRow(_row);
  473. if (_nextRow) {
  474. _nextRow.enableOozieDropOnBefore(enable);
  475. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  476. _nextRow.enableOozieDropOnSide(enable);
  477. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  478. }
  479. }
  480. }
  481. }
  482. }
  483. self.currentlyCreatingFork = false;
  484. self.currentlyCreatedFork = null;
  485. self.currentlyCreatedJoin = null;
  486. self.isDragging = ko.observable(false);
  487. self.addDraggedWidget = function (target, atBeginning) {
  488. if (self.currentlyDraggedWidget() != null) {
  489. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  490. var _newRow = null;
  491. if (typeof atBeginning != "undefined") {
  492. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  493. if (atBeginning) {
  494. _newRow = _parentCol.addEmptyRow(false, 1);
  495. }
  496. else {
  497. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  498. }
  499. }
  500. else {
  501. _newRow = _parentCol.addEmptyRow(atBeginning);
  502. }
  503. }
  504. else {
  505. var _rowIdx = 0;
  506. $.each(_parentCol.rows(), function (i, irow) {
  507. if (irow.id() == target.id()) {
  508. _rowIdx = i;
  509. }
  510. });
  511. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  512. }
  513. var _w = new ExtendedWidget({
  514. size: self.currentlyDraggedWidget().size(),
  515. id: UUID(),
  516. name: self.currentlyDraggedWidget().name(),
  517. widgetType: self.currentlyDraggedWidget().widgetType(),
  518. properties: self.currentlyDraggedWidget().properties(),
  519. offset: self.currentlyDraggedWidget().offset(),
  520. loading: true,
  521. vm: self
  522. });
  523. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  524. self.removeWidgetById(self.currentlyDraggedWidget().id());
  525. _w = self.currentlyDraggedWidget();
  526. }
  527. _newRow.widgets([_w]);
  528. return _w;
  529. }
  530. }
  531. self.addSideDraggedWidget = function (row, atBeginning) {
  532. if (self.currentlyDraggedWidget() != null) {
  533. var _parentCol = self.getRowParentColumn(row.id());
  534. var _rowIdx = 0;
  535. $.each(_parentCol.rows(), function (i, irow) {
  536. if (irow.id() == row.id()) {
  537. _rowIdx = i;
  538. }
  539. });
  540. var _addForkAndJoin = (row.columns().length == 0);
  541. if (_addForkAndJoin) {
  542. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  543. var _id = UUID();
  544. var _fork = new ExtendedWidget({
  545. size: 12,
  546. id: _id,
  547. name: 'fork' + '-' + _id.slice(0, 4),
  548. widgetType: "fork-widget",
  549. properties: {},
  550. offset: 0,
  551. loading: true,
  552. vm: self
  553. });
  554. _forkRow.widgets([_fork]);
  555. }
  556. var _w = new ExtendedWidget({
  557. size: self.currentlyDraggedWidget().size(),
  558. id: UUID(),
  559. name: self.currentlyDraggedWidget().name(),
  560. widgetType: self.currentlyDraggedWidget().widgetType(),
  561. properties: self.currentlyDraggedWidget().properties(),
  562. offset: self.currentlyDraggedWidget().offset(),
  563. loading: true,
  564. vm: self
  565. });
  566. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  567. self.removeWidgetById(self.currentlyDraggedWidget().id());
  568. _w = self.currentlyDraggedWidget();
  569. }
  570. if (row.columns().length == 0) {
  571. var _col = row.addColumn(null, atBeginning);
  572. if (row.widgets().length > 0) {
  573. var _row = _col.addEmptyRow();
  574. row.widgets().forEach(function (widget) {
  575. _row.addWidget(widget);
  576. });
  577. if (row.widgets()[0].widgetType() == "fork-widget") {
  578. var _widgetsRow = self.getNextRow(row);
  579. var _joinRow = self.getNextRow(_widgetsRow);
  580. _col.rows.push(_widgetsRow);
  581. _col.rows.push(_joinRow);
  582. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  583. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  584. }
  585. row.widgets([]);
  586. }
  587. }
  588. var _col = row.addColumn(null, atBeginning);
  589. var _row = new ExtendedRow([_w], self);
  590. _col.addRow(_row);
  591. if (_addForkAndJoin) {
  592. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  593. var _id = UUID();
  594. var _join = new ExtendedWidget({
  595. size: 12,
  596. id: _id,
  597. name: "join" + '-' + _id.slice(0, 4),
  598. widgetType: "join-widget",
  599. properties: {},
  600. offset: 0,
  601. loading: true,
  602. vm: self
  603. });
  604. _joinRow.widgets([_join]);
  605. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  606. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  607. }
  608. self.currentlyCreatingFork = true;
  609. return _w;
  610. }
  611. }
  612. self.removeWidget = function (widget_json) {
  613. self.workflow.removeNode(widget_json.id());
  614. self.removeWidgetById(widget_json.id());
  615. }
  616. self.removeWidgetById = function (widget_id) {
  617. $.each(self.oozieColumns(), function (i, col) {
  618. self.deeplyRemoveWidgetById(widget_id, col, self)
  619. });
  620. }
  621. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  622. if (col) {
  623. $.each(col.rows(), function (j, row) {
  624. if (row && row.widgets()) {
  625. $.each(row.widgets(), function (z, widget) {
  626. if (widget.id() == widget_id) {
  627. row.widgets.remove(widget);
  628. col.rows.remove(row);
  629. }
  630. });
  631. }
  632. if (row && row.columns()) {
  633. $.each(row.columns(), function (i, icol) {
  634. self.deeplyRemoveWidgetById(widget_id, icol, row);
  635. });
  636. }
  637. });
  638. if (col.rows().length == 0) {
  639. parent.columns.remove(col);
  640. if (parent.columns().length > 1) {
  641. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  642. parent.columns().forEach(function (icol) {
  643. icol.size(_size);
  644. });
  645. }
  646. else {
  647. var _rows = parent.columns()[0].rows();
  648. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  649. var _prevRowIdx = -1;
  650. for (var i = 0; i < _parentRows().length; i++) {
  651. if (_parentRows()[i].id() == parent.id()) {
  652. break;
  653. }
  654. _prevRowIdx = i;
  655. }
  656. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  657. _parentRows.remove(_parentRows()[_prevRowIdx]);
  658. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  659. }
  660. for (var i = 0; i < _rows.length; i++) {
  661. if (i == 0) {
  662. parent.widgets(_rows[i].widgets());
  663. }
  664. else {
  665. _parentRows.push(_rows[i]);
  666. }
  667. }
  668. parent.columns([]);
  669. }
  670. }
  671. }
  672. }
  673. self.getWidgetRelative = function (widget_id, isPredecessor) {
  674. var _row = self.getWidgetParentRow(widget_id);
  675. var _col = self.getRowParentColumn(_row.id());
  676. var _nextRow = null;
  677. for (var i = 0; i < _col.rows().length; i++) {
  678. if (_col.rows()[i].id() == _row.id()) {
  679. if (!isPredecessor && _col.rows().length >= i + 1) {
  680. _nextRow = _col.rows()[i + 1];
  681. }
  682. break;
  683. }
  684. _nextRow = _col.rows()[i];
  685. }
  686. if (_nextRow != null) {
  687. return _nextRow.widgets()[0];
  688. }
  689. else {
  690. var _parentRow = self.getColumnParentRow(_col.id());
  691. if (_parentRow) {
  692. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  693. var _nextParentRow = null;
  694. for (var i = 0; i < _parentColumn.rows().length; i++) {
  695. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  696. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  697. _nextParentRow = _parentColumn.rows()[i + 1];
  698. }
  699. break;
  700. }
  701. _nextParentRow = _parentColumn.rows()[i];
  702. }
  703. if (_nextParentRow != null) {
  704. return _nextParentRow.widgets()[0];
  705. }
  706. }
  707. }
  708. return null;
  709. }
  710. self.getWidgetPredecessor = function (widget_id) {
  711. return self.getWidgetRelative(widget_id, true);
  712. }
  713. self.getWidgetSuccessor = function (widget_id) {
  714. return self.getWidgetRelative(widget_id, false);
  715. }
  716. self.isRowAfterFork = function (row) {
  717. var _parentColumn = self.getRowParentColumn(row.id());
  718. var _prevRow = null;
  719. for (var i = 0; i < _parentColumn.rows().length; i++) {
  720. var _currentRow = _parentColumn.rows()[i];
  721. if (_currentRow.id() == row.id()) {
  722. break;
  723. }
  724. _prevRow = _currentRow;
  725. }
  726. if (_prevRow != null) {
  727. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  728. }
  729. return false;
  730. }
  731. self.isRowBeforeJoin = function (row) {
  732. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  733. }
  734. self.getNextRow = function (row) {
  735. var _parentColumn = self.getRowParentColumn(row.id());
  736. var _nextParentRow = null;
  737. for (var i = 0; i < _parentColumn.rows().length; i++) {
  738. if (_parentColumn.rows()[i].id() == row.id()) {
  739. if (_parentColumn.rows().length >= i + 1) {
  740. _nextParentRow = _parentColumn.rows()[i + 1];
  741. }
  742. break;
  743. }
  744. _nextParentRow = _parentColumn.rows()[i];
  745. }
  746. return _nextParentRow;
  747. }
  748. self.getPrevRow = function (row) {
  749. var _parentColumn = self.getRowParentColumn(row.id());
  750. var _prevParentRow = null;
  751. for (var i = 0; i < _parentColumn.rows().length; i++) {
  752. if (_parentColumn.rows()[i].id() == row.id()) {
  753. if (i > 0) {
  754. _prevParentRow = _parentColumn.rows()[i - 1];
  755. }
  756. break;
  757. }
  758. _prevParentRow = _parentColumn.rows()[i];
  759. }
  760. return _prevParentRow;
  761. }
  762. self.getWidgetParentRow = function (widget_id) {
  763. var _row = null;
  764. for (var i = 0; i < self.oozieColumns().length; i++) {
  765. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  766. if (_row != null) {
  767. break;
  768. }
  769. }
  770. return _row;
  771. }
  772. self.getRowParentColumn = function (row_id) {
  773. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  774. }
  775. self.getColumnParentRow = function (col_id) {
  776. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  777. }
  778. self.getRowParentRow = function (row_id) {
  779. var _col = self.getRowParentColumn(row_id);
  780. if (_col != null) {
  781. return self.getColumnParentRow(_col.id());
  782. }
  783. }
  784. self.traverseColumnForColumn = function (row_id, col) {
  785. var _column = null;
  786. if (col) {
  787. for (var j = 0; j < col.rows().length; j++) {
  788. var row = col.rows()[j];
  789. for (var z = 0; z < row.columns().length; z++) {
  790. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  791. if (_column != null) {
  792. return _column;
  793. }
  794. }
  795. if (row.id() == row_id) {
  796. _column = col;
  797. return _column;
  798. }
  799. }
  800. }
  801. return _column;
  802. }
  803. self.traverseColumnForRow = function (col_id, col) {
  804. var _row = null;
  805. if (col) {
  806. for (var j = 0; j < col.rows().length; j++) {
  807. var row = col.rows()[j];
  808. for (var z = 0; z < row.columns().length; z++) {
  809. var _col = row.columns()[z];
  810. if (_col.id() == col_id) {
  811. _row = row;
  812. }
  813. else {
  814. _row = self.traverseColumnForRow(col_id, _col);
  815. }
  816. if (_row != null) {
  817. return _row;
  818. }
  819. }
  820. }
  821. }
  822. return _row;
  823. }
  824. self.traverseColumnForWidget = function (widget_id, col) {
  825. var _row = null;
  826. if (col) {
  827. for (var j = 0; j < col.rows().length; j++) {
  828. var row = col.rows()[j];
  829. for (var z = 0; z < row.widgets().length; z++) {
  830. var widget = row.widgets()[z];
  831. if (widget.id() == widget_id) {
  832. _row = row;
  833. break;
  834. }
  835. }
  836. if (_row != null) {
  837. break;
  838. }
  839. for (var z = 0; z < row.columns().length; z++) {
  840. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  841. if (_row != null) {
  842. break;
  843. }
  844. }
  845. }
  846. }
  847. return _row;
  848. }
  849. self.convertToDecision = function (widget, node) {
  850. if (widget.widgetType() == "fork-widget") {
  851. var _row = self.getWidgetParentRow(widget.id());
  852. var _next = self.getNextRow(_row);
  853. while (_next.widgets().length == 0) {
  854. _next = self.getNextRow(_next);
  855. }
  856. // Remove the join
  857. self.workflow.removeNode(_next.widgets()[0].id());
  858. self.removeWidgetById(_next.widgets()[0].id());
  859. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  860. widget.widgetType("decision-widget");
  861. node.type("decision-widget");
  862. var _newName = "decision-" + node.id().slice(0, 4);
  863. node.name(_newName);
  864. widget.name(_newName);
  865. $(document).trigger("drawArrows");
  866. }
  867. }
  868. self.save = function () {
  869. $.post("/oozie/editor/workflow/save/", {
  870. "layout": ko.mapping.toJSON(self.oozieColumns),
  871. "workflow": ko.mapping.toJSON(self.workflow)
  872. }, function (data) {
  873. if (data.status == 0) {
  874. if (self.workflow.id() == null) {
  875. shareViewModel.setDocId(data.doc1_id);
  876. }
  877. self.workflow.id(data.id);
  878. $(document).trigger("info", data.message);
  879. if (window.location.search.indexOf("workflow") == -1) {
  880. window.location.hash = '#workflow=' + data.id;
  881. }
  882. }
  883. else {
  884. $(document).trigger("error", data.message);
  885. }
  886. }).fail(function (xhr, textStatus, errorThrown) {
  887. $(document).trigger("error", xhr.responseText);
  888. });
  889. };
  890. self.gen_xml = function () {
  891. $.post("/oozie/editor/workflow/gen_xml/", {
  892. "layout": ko.mapping.toJSON(self.oozieColumns),
  893. "workflow": ko.mapping.toJSON(self.workflow)
  894. }, function (data) {
  895. if (data.status == 0) {
  896. console.log(data.xml);
  897. }
  898. else {
  899. $(document).trigger("error", data.message);
  900. }
  901. }).fail(function (xhr, textStatus, errorThrown) {
  902. $(document).trigger("error", xhr.responseText);
  903. });
  904. };
  905. self.showSubmitPopup = function () {
  906. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  907. }, function (data) {
  908. $(document).trigger("showSubmitPopup", data);
  909. }).fail(function (xhr, textStatus, errorThrown) {
  910. $(document).trigger("error", xhr.responseText);
  911. });
  912. };
  913. function bareWidgetBuilder(name, type) {
  914. return new ExtendedWidget({
  915. size: 12,
  916. id: "",
  917. name: name,
  918. widgetType: type
  919. });
  920. }
  921. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  922. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  923. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  924. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  925. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  926. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  927. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  928. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  929. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  930. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  931. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  932. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  933. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  934. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  935. };
  936. function logGA(page) {
  937. if (typeof trackOnGA == 'function') {
  938. trackOnGA('oozie/editor/workflow' + page);
  939. }
  940. }
  941. var ExtendedColumn = function (size, rows) {
  942. var self = new Column(size, rows);
  943. self.rowPrototype = ExtendedRow;
  944. self.oozieStartRow = ko.computed(function () {
  945. var _row = null;
  946. ko.utils.arrayForEach(self.rows(), function (row) {
  947. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  948. _row = row;
  949. }
  950. });
  951. return _row;
  952. }, self);
  953. self.oozieEndRow = ko.computed(function () {
  954. var _row = null;
  955. ko.utils.arrayForEach(self.rows(), function (row) {
  956. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  957. _row = row;
  958. }
  959. });
  960. return _row;
  961. }, self);
  962. self.oozieKillRow = ko.computed(function () {
  963. var _row = null;
  964. ko.utils.arrayForEach(self.rows(), function (row) {
  965. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  966. _row = row;
  967. }
  968. });
  969. return _row;
  970. }, self);
  971. self.oozieRows = ko.computed(function () {
  972. var _rows = [];
  973. ko.utils.arrayForEach(self.rows(), function (row) {
  974. 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) {
  975. _rows.push(row);
  976. }
  977. });
  978. return _rows;
  979. }, self);
  980. self.enableOozieDropOnBefore = ko.observable(true);
  981. self.enableOozieDropOnAfter = ko.observable(true);
  982. return self;
  983. }
  984. var ExtendedRow = function (widgets, vm, columns) {
  985. var self = new Row(widgets, vm, columns);
  986. self.columnPrototype = ExtendedColumn;
  987. self.enableOozieDrop = ko.computed(function(){
  988. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  989. });
  990. self.enableOozieDropOnBefore = ko.observable(true);
  991. self.enableOozieDropOnSide = ko.observable(true);
  992. return self;
  993. }
  994. var ExtendedWidget = function (params) {
  995. var self = new Widget(params);
  996. self.oozieMovable = ko.computed(function() {
  997. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  998. });
  999. self.oozieExpanded = ko.observable(false);
  1000. self.ooziePropertiesExpanded = ko.observable(false);
  1001. return self;
  1002. }