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