workflow-editor.ko.js 21 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 loadLayout(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 Row([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. row.addWidget(new Widget({
  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. });
  51. $(json_row.columns).each(function (ccnt, column) {
  52. var _irows = [];
  53. $(column.rows).each(function (ircnt, json_irow) {
  54. var _irow = new Row([], viewModel);
  55. $(json_irow.widgets).each(function (iwcnt, iwidget) {
  56. _irow.addWidget(new Widget({
  57. size:iwidget.size,
  58. id: iwidget.id,
  59. name: iwidget.name,
  60. widgetType: iwidget.widgetType,
  61. properties: iwidget.properties,
  62. offset: iwidget.offset,
  63. loading: true,
  64. vm: viewModel
  65. }));
  66. });
  67. _irows.push(_irow);
  68. });
  69. row.addColumn(new Column(column.size, _irows));
  70. });
  71. _rows.push(row);
  72. });
  73. var column = new Column(json_col.size, _rows);
  74. _columns = _columns.concat(column);
  75. });
  76. viewModel.columns(_columns);
  77. }
  78. // End dashboard lib
  79. var Node = function (node) {
  80. var self = this;
  81. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  82. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  83. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  84. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  85. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  86. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  87. self.get_link = function(name) {
  88. var _link = null;
  89. $.each(self.children(), function(index, link) {
  90. if (name in link) {
  91. _link = link;
  92. return false;
  93. }
  94. });
  95. return _link;
  96. }
  97. self.set_link = function(name, node_id) {
  98. var _link = self.get_link(name);
  99. if (_link == null) {
  100. _link = {};
  101. self.children.push(_link);
  102. }
  103. _link[name] = node_id;
  104. }
  105. self.remove_link = function(name, child) {
  106. var _link = null;
  107. $.each(self.children(), function(index, link) {
  108. if (name in link && link[name] == child) {
  109. _link = link;
  110. return false;
  111. }
  112. });
  113. if (_link != null) {
  114. self.children.remove(_link);
  115. }
  116. }
  117. }
  118. var Workflow = function (vm, workflow) {
  119. var self = this;
  120. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  121. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  122. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  123. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  124. self.nodes = ko.observableArray([]);
  125. self.linkMapping = ko.computed(function() {
  126. var mapping = {};
  127. $.each(self.nodes(), function(index, node) {
  128. var links = []
  129. $.each(node.children(), function(index, link) {
  130. if ('to' in link) {
  131. links.push(link['to']);
  132. }
  133. });
  134. mapping[node.id()] = links
  135. });
  136. return mapping;
  137. });
  138. self.loadNodes = function(workflow) {
  139. var nodes = []
  140. $.each(workflow.nodes, function(index, node) {
  141. var _node = new Node(node);
  142. nodes.push(_node);
  143. });
  144. self.nodes(nodes)
  145. }
  146. self.newNode = function(widget) {
  147. $.ajax({
  148. type: "POST",
  149. url: "/oozie/editor/workflow/new_node/",
  150. data: {
  151. "workflow": ko.mapping.toJSON(workflow),
  152. "node": ko.mapping.toJSON(widget)
  153. },
  154. success: function (data) {
  155. if (data.status == 0) {
  156. viewModel.addActionProperties(data.properties);
  157. viewModel.addActionWorkflows(data.workflows);
  158. }
  159. },
  160. async: false
  161. });
  162. };
  163. self.addNode = function(widget) {
  164. // Todo get parent cell, link nodes... when we have the new layout
  165. $.post("/oozie/editor/workflow/add_node/", {
  166. "workflow": ko.mapping.toJSON(workflow),
  167. "node": ko.mapping.toJSON(widget),
  168. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  169. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  170. }, function (data) {
  171. if (data.status == 0) {
  172. var _node = ko.mapping.toJS(widget);
  173. _node.properties = data.properties;
  174. _node.name = data.name;
  175. var node = new Node(_node);
  176. // Add to list of nodes
  177. var end = self.nodes.pop();
  178. self.nodes.push(node);
  179. self.nodes.push(end);
  180. // if node != kill node
  181. // Added to the side ?
  182. if (vm.currentlyCreatingFork) {
  183. var parent = self.getNodeById('3f107997-04cc-8733-60a9-a4bb62cebffc');
  184. if (parent.type() != 'fork-widget') {
  185. var fork = new Node(vm.currentlyCreatedFork);
  186. var join = new Node(vm.currentlyCreatedJoin);
  187. // Start node
  188. var afterStartId = ko.mapping.toJS(parent.get_link('to')).to;
  189. var afterStart = self.getNodeById(afterStartId);
  190. fork.children.push({'to': afterStartId});
  191. fork.children.push({'to': node.id()});
  192. parent.get_link('to')['to'] = fork.id();
  193. join.set_link('to', afterStart.get_link('to')['to']);
  194. afterStart.set_link('to', join.id());
  195. node.set_link('to', join.id());
  196. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  197. var end = self.nodes.pop();
  198. self.nodes.push(fork);
  199. self.nodes.push(join);
  200. self.nodes.push(end);
  201. // Regular node
  202. // Join node
  203. } else {
  204. // Just add to existing fork
  205. }
  206. } else {
  207. var parentWidget = vm.getWidgetPredecessor(node.id());
  208. var parent = self.getNodeById(parentWidget.id());
  209. if (parentWidget.widgetType() == 'start-widget') {
  210. // Star node link to new node
  211. parent.set_link('to', node.id());
  212. // Link to end
  213. node.set_link('to', '33430f0f-ebfa-c3ec-f237-3e77efa03d0a');
  214. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  215. } else if (parentWidget.widgetType() == 'pig-widget') {
  216. // Parent regular node
  217. node.set_link('to', parent.get_link('to')['to']);
  218. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  219. parent.set_link('to', node.id());
  220. }
  221. // Parent fork/decision/join...
  222. }
  223. vm.currentlyCreatingFork = false;
  224. } else {
  225. $(document).trigger("error", data.message);
  226. }
  227. }).fail(function (xhr, textStatus, errorThrown) {
  228. $(document).trigger("error", xhr.responseText);
  229. });
  230. };
  231. self.removeNode = function(node_id) {
  232. var node = self.getNodeById(node_id);
  233. var parentWidget = vm.getWidgetPredecessor(node_id); // Use smarter self.getParents if action node with multi parents
  234. var parent = self.getNodeById(parentWidget.id());
  235. var childLink = node.get_link('to');
  236. var childId = ko.mapping.toJS(childLink)['to'];
  237. parent.remove_link('to', node_id);
  238. parent.children.push({'to': childId});
  239. self.nodes.remove(node);
  240. // If need to remove fork
  241. if (parentWidget.widgetType() == 'fork-widget') {
  242. var fork = parent;
  243. var join = self.getNodeById(childId);
  244. if (join.type() == 'join-widget') {
  245. if (join.children().length == 1) {
  246. // Link top to above and delete fork
  247. var forkParent = self.getParents(fork.id());
  248. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']);
  249. self.nodes.remove(fork);
  250. // Link bottom to child of join
  251. var beboreJoin = self.getParents(childId);
  252. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  253. beboreJoin.set_link('to', joinChildId);
  254. self.nodes.remove(join);
  255. }
  256. }
  257. }
  258. };
  259. self.getParents = function(node_id) { // Only one for now
  260. var _node = null;
  261. $.each(self.nodes(), function (index, node) {
  262. $.each(node.children(), function(index, link) {
  263. var _link = ko.mapping.toJS(link);
  264. if ('to' in _link && _link.to == node_id) {
  265. _node = node;
  266. return false;
  267. }
  268. })
  269. });
  270. return _node;
  271. }
  272. self.getNodeById = function (node_id) {
  273. var _node = null;
  274. $.each(self.nodes(), function (index, node) {
  275. if (node.id() == node_id) {
  276. _node = node;
  277. return false;
  278. }
  279. });
  280. return _node;
  281. };
  282. }
  283. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json) {
  284. var self = this;
  285. self.isNested = ko.observable(true);
  286. self.isEditing = ko.observable(true);
  287. self.toggleEditing = function () {
  288. self.isEditing(! self.isEditing());
  289. };
  290. self.columns = ko.observable([]);
  291. self.previewColumns = ko.observable("");
  292. self.workflow = new Workflow(self, workflow_json);
  293. self.credentials = ko.mapping.fromJSON(credentials_json);
  294. self.inited = ko.observable(self.columns().length > 0);
  295. self.init = function(callback) {
  296. loadLayout(self, layout_json);
  297. self.workflow.loadNodes(workflow_json);
  298. }
  299. self.depen = ko.observableArray(workflow_json.dependencies);
  300. self.addActionProperties = ko.observableArray([]);
  301. self.addActionWorkflows = ko.observableArray([]);
  302. self.selectedSubWorkflow = ko.observable();
  303. self.currentlyDraggedWidget = null;
  304. self.currentlyCreatingFork = false;
  305. self.currentlyCreatedFork = null;
  306. self.currentlyCreatedJoin = null;
  307. self.isDragging = ko.observable(false);
  308. self.setCurrentDraggedWidget = function (widget) {
  309. self.currentlyDraggedWidget = widget;
  310. }
  311. self.addDraggedWidget = function (row, atBeginning) {
  312. if (self.currentlyDraggedWidget != null) {
  313. var _parentCol = self.getRowParentColumn(row.id());
  314. var _rowIdx = 0;
  315. $.each(_parentCol.rows(), function (i, irow) {
  316. if (irow.id() == row.id()) {
  317. _rowIdx = i;
  318. }
  319. });
  320. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  321. var _id = UUID();
  322. var _fork = new Widget({
  323. size: 12,
  324. id: _id,
  325. name: 'fork' + '-' + _id.slice(0, 4),
  326. widgetType: "fork-widget",
  327. properties: {},
  328. offset: 0,
  329. loading: true,
  330. vm: self
  331. });
  332. _forkRow.widgets([_fork]);
  333. var _w = new Widget({
  334. size: self.currentlyDraggedWidget.size(),
  335. id: UUID(),
  336. name: self.currentlyDraggedWidget.name(),
  337. widgetType: self.currentlyDraggedWidget.widgetType(),
  338. properties: self.currentlyDraggedWidget.properties(),
  339. offset: self.currentlyDraggedWidget.offset(),
  340. loading: true,
  341. vm: self
  342. });
  343. var _col = row.addEmptyColumn(atBeginning);
  344. var _row = new Row([_w], self);
  345. _col.addRow(_row);
  346. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  347. var _id = UUID();
  348. var _join = new Widget({
  349. size: 12,
  350. id: _id,
  351. name: "join" + '-' + _id.slice(0, 4),
  352. widgetType: "join-widget",
  353. properties: {},
  354. offset: 0,
  355. loading: true,
  356. vm: self
  357. });
  358. _joinRow.widgets([_join]);
  359. self.currentlyDraggedWidget = null;
  360. self.currentlyCreatingFork = true;
  361. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  362. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  363. linkWidgets(_fork.id(), _w.id());
  364. linkWidgets(_w.id(), _join.id());
  365. return _w;
  366. }
  367. }
  368. self.getWidgetById = function (widget_id) {
  369. var _widget = null;
  370. $.each(self.columns(), function (i, col) {
  371. $.each(col.rows(), function (j, row) {
  372. $.each(row.widgets(), function (z, widget) {
  373. if (widget.id() == widget_id){
  374. _widget = widget;
  375. return false;
  376. }
  377. });
  378. });
  379. });
  380. return _widget;
  381. }
  382. self.removeWidget = function (widget_json) {
  383. self.workflow.removeNode(widget_json.id());
  384. self.removeWidgetById(widget_json.id());
  385. }
  386. self.removeWidgetById = function (widget_id) {
  387. $.each(self.columns(), function (i, col) {
  388. self.deeplyRemoveWidgetById(widget_id, col, self)
  389. });
  390. }
  391. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  392. if (col) {
  393. $.each(col.rows(), function (j, row) {
  394. if (row && row.widgets()){
  395. $.each(row.widgets(), function (z, widget) {
  396. if (widget.id() == widget_id) {
  397. row.widgets.remove(widget);
  398. col.rows.remove(row);
  399. }
  400. });
  401. }
  402. if (row && row.columns()) {
  403. $.each(row.columns(), function (i, icol) {
  404. self.deeplyRemoveWidgetById(widget_id, icol, row);
  405. });
  406. }
  407. });
  408. if (col.rows().length == 0) {
  409. parent.columns.remove(col);
  410. if (parent.columns().length > 1) {
  411. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  412. parent.columns().forEach(function (icol) {
  413. icol.size(_size);
  414. });
  415. }
  416. else {
  417. var _rows = parent.columns()[0].rows();
  418. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  419. var _prevRowIdx = -1;
  420. for (var i = 0; i < _parentRows().length; i++) {
  421. if (_parentRows()[i].id() == parent.id()) {
  422. break;
  423. }
  424. _prevRowIdx = i;
  425. }
  426. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  427. _parentRows.remove(_parentRows()[_prevRowIdx]);
  428. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  429. }
  430. for (var i=0;i<_rows.length;i++){
  431. if (i==0){
  432. parent.widgets(_rows[i].widgets());
  433. }
  434. else {
  435. _parentRows.push(_rows[i]);
  436. }
  437. }
  438. parent.columns([]);
  439. }
  440. }
  441. }
  442. }
  443. self.getWidgetPredecessor = function (widget_id) {
  444. var _row = self.getWidgetParentRow(widget_id);
  445. var _col = self.getRowParentColumn(_row.id());
  446. var _prevRow = null;
  447. for (var i = 0; i < _col.rows().length; i++) {
  448. if (_col.rows()[i].id() == _row.id()) {
  449. break;
  450. }
  451. _prevRow = _col.rows()[i];
  452. }
  453. if (_prevRow != null) {
  454. return _prevRow.widgets()[0];
  455. }
  456. else {
  457. var _parentRow = self.getColumnParentRow(_col.id());
  458. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  459. var _prevParentRow = null;
  460. for (var i = 0; i < _parentColumn.rows().length; i++) {
  461. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  462. break;
  463. }
  464. _prevParentRow = _parentColumn.rows()[i];
  465. }
  466. if (_prevParentRow != null) {
  467. return _prevParentRow.widgets()[0];
  468. }
  469. }
  470. return null;
  471. }
  472. self.getWidgetParentRow = function (widget_id) {
  473. var _row = null;
  474. for (var i = 0; i < self.columns().length; i++) {
  475. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  476. if (_row != null) {
  477. break;
  478. }
  479. }
  480. return _row;
  481. }
  482. self.getRowParentColumn = function (row_id) {
  483. var _column = null;
  484. for (var i = 0; i < self.columns().length; i++) {
  485. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  486. }
  487. return _column;
  488. }
  489. self.getColumnParentRow = function (col_id) {
  490. var _row = null;
  491. for (var i = 0; i < self.columns().length; i++) {
  492. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  493. if (_row != null) {
  494. break;
  495. }
  496. }
  497. return _row;
  498. }
  499. self.getRowParentRow = function (row_id) {
  500. var _col = self.getRowParentColumn(row_id);
  501. if (_col != null) {
  502. return self.getColumnParentRow(_col.id());
  503. }
  504. }
  505. self.traverseColumnForColumn = function (row_id, col) {
  506. var _column = null;
  507. if (col) {
  508. for (var j = 0; j < col.rows().length; j++) {
  509. var row = col.rows()[j];
  510. if (row.id() == row_id) {
  511. _column = col;
  512. break;
  513. }
  514. for (var z = 0; z < row.columns().length; z++) {
  515. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  516. if (_column != null) {
  517. break;
  518. }
  519. }
  520. }
  521. }
  522. return _column;
  523. }
  524. self.traverseColumnForRow = function (col_id, col) {
  525. var _row = null;
  526. if (col) {
  527. for (var j = 0; j < col.rows().length; j++) {
  528. var row = col.rows()[j];
  529. for (var z = 0; z < row.columns().length; z++) {
  530. var _col = row.columns()[z];
  531. if (_col.id() == col_id) {
  532. _row = row;
  533. }
  534. else {
  535. _row = self.traverseColumnForRow(col_id, _col);
  536. }
  537. if (_row != null) {
  538. break;
  539. }
  540. }
  541. }
  542. }
  543. return _row;
  544. }
  545. self.traverseColumnForWidget = function (widget_id, col) {
  546. var _row = null;
  547. if (col) {
  548. for (var j = 0; j < col.rows().length; j++) {
  549. var row = col.rows()[j];
  550. for (var z = 0; z < row.widgets().length; z++) {
  551. var widget = row.widgets()[z];
  552. if (widget.id() == widget_id) {
  553. _row = row;
  554. break;
  555. }
  556. }
  557. for (var z = 0; z < row.columns().length; z++) {
  558. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  559. if (_row != null) {
  560. break;
  561. }
  562. }
  563. }
  564. }
  565. return _row;
  566. }
  567. self.save = function () {
  568. $.post("/oozie/editor/workflow/save/", {
  569. "layout": ko.mapping.toJSON(self.columns),
  570. "workflow": ko.mapping.toJSON(self.workflow)
  571. }, function (data) {
  572. if (data.status == 0) {
  573. self.workflow.id(data.id);
  574. $(document).trigger("info", data.message);
  575. if (window.location.search.indexOf("workflow") == -1) {
  576. window.location.hash = '#workflow=' + data.id;
  577. }
  578. }
  579. else {
  580. $(document).trigger("error", data.message);
  581. }
  582. }).fail(function (xhr, textStatus, errorThrown) {
  583. $(document).trigger("error", xhr.responseText);
  584. });
  585. };
  586. self.gen_xml = function () {
  587. $.post("/oozie/editor/workflow/gen_xml/", {
  588. "layout": ko.mapping.toJSON(self.columns),
  589. "workflow": ko.mapping.toJSON(self.workflow)
  590. }, function (data) {
  591. if (data.status == 0) {
  592. alert(data.xml);
  593. }
  594. else {
  595. $(document).trigger("error", data.message);
  596. }
  597. }).fail(function (xhr, textStatus, errorThrown) {
  598. $(document).trigger("error", xhr.responseText);
  599. });
  600. };
  601. self.showSubmitPopup = function () {
  602. // If self.workflow.id() == null, need to save wf for now
  603. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  604. }, function (data) {
  605. $(document).trigger("showSubmitPopup", data);
  606. }).fail(function (xhr, textStatus, errorThrown) {
  607. $(document).trigger("error", xhr.responseText);
  608. });
  609. };
  610. function bareWidgetBuilder(name, type){
  611. return new Widget({
  612. size: 12,
  613. id: UUID(),
  614. name: name,
  615. widgetType: type
  616. });
  617. }
  618. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  619. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  620. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  621. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  622. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  623. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  624. };