workflow-editor.ko.js 10 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: 'drag-hover',
  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. }
  88. var Workflow = function (vm, workflow) {
  89. var self = this;
  90. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  91. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  92. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  93. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  94. self.nodes = ko.observableArray([]);
  95. self.loadNodes = function(workflow) {
  96. var nodes = []
  97. $.each(workflow.nodes, function(index, node) {
  98. var _node = new Node(node);
  99. nodes.push(_node);
  100. });
  101. self.nodes(nodes)
  102. }
  103. self.newNode = function(widget) {
  104. $.ajax({
  105. type: "POST",
  106. url: "/oozie/editor/workflow/new_node/",
  107. data: {
  108. "workflow": ko.mapping.toJSON(workflow),
  109. "node": ko.mapping.toJSON(widget)
  110. },
  111. success: function (data) {
  112. if (data.status == 0) {
  113. viewModel.addActionProperties(data.properties);
  114. viewModel.addActionWorkflows(data.workflows);
  115. }
  116. },
  117. async: false
  118. });
  119. };
  120. self.addNode = function(widget) {
  121. // Todo get parent cell, link nodes... when we have the new layout
  122. $.post("/oozie/editor/workflow/add_node/", {
  123. "workflow": ko.mapping.toJSON(workflow),
  124. "node": ko.mapping.toJSON(widget),
  125. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  126. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  127. }, function (data) {
  128. if (data.status == 0) {
  129. var _node = ko.mapping.toJS(widget);
  130. _node.properties = data.properties;
  131. _node.name = data.name;
  132. var node = new Node(_node);
  133. node.children().push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'}) // Link to child
  134. // Add to list of nodes
  135. var end = self.nodes.pop();
  136. self.nodes.push(node);
  137. self.nodes.push(end);
  138. self.nodes()[0].children.removeAll(); // Parent link to new node
  139. self.nodes()[0].children().push({'to': node.id()});
  140. } else {
  141. $(document).trigger("error", data.message);
  142. }
  143. }).fail(function (xhr, textStatus, errorThrown) {
  144. $(document).trigger("error", xhr.responseText);
  145. });
  146. };
  147. self.getNodeById = function (node_id) {
  148. var _node = null;
  149. $.each(self.nodes(), function (index, node) {
  150. if (node.id() == node_id) {
  151. _node = node;
  152. return false;
  153. }
  154. });
  155. return _node;
  156. }
  157. }
  158. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json) {
  159. var self = this;
  160. self.isNested = ko.observable(true);
  161. self.isEditing = ko.observable(true);
  162. self.toggleEditing = function () {
  163. self.isEditing(! self.isEditing());
  164. };
  165. self.columns = ko.observable([]);
  166. self.previewColumns = ko.observable("");
  167. self.workflow = new Workflow(self, workflow_json);
  168. self.credentials = ko.mapping.fromJSON(credentials_json);
  169. self.inited = ko.observable(self.columns().length > 0);
  170. self.init = function(callback) {
  171. loadLayout(self, layout_json);
  172. self.workflow.loadNodes(workflow_json);
  173. }
  174. self.depen = ko.observableArray(workflow_json.dependencies);
  175. self.addActionProperties = ko.observableArray([]);
  176. self.addActionWorkflows = ko.observableArray([]);
  177. self.selectedSubWorkflow = ko.observable();
  178. self.getWidgetById = function (widget_id) {
  179. var _widget = null;
  180. $.each(self.columns(), function (i, col) {
  181. $.each(col.rows(), function (j, row) {
  182. $.each(row.widgets(), function (z, widget) {
  183. if (widget.id() == widget_id){
  184. _widget = widget;
  185. return false;
  186. }
  187. });
  188. });
  189. });
  190. return _widget;
  191. }
  192. self.removeWidget = function (widget_json) {
  193. self.removeWidgetById(widget_json.id());
  194. }
  195. self.removeWidgetById = function (widget_id) {
  196. $.each(self.columns(), function (i, col) {
  197. $.each(col.rows(), function (j, row) {
  198. $.each(row.widgets(), function (z, widget) {
  199. if (widget.id() == widget_id){
  200. row.widgets.remove(widget);
  201. }
  202. });
  203. });
  204. });
  205. }
  206. self.save = function () {
  207. $.post("/oozie/editor/workflow/save/", {
  208. "layout": ko.mapping.toJSON(self.columns),
  209. "workflow": ko.mapping.toJSON(self.workflow)
  210. }, function (data) {
  211. if (data.status == 0) {
  212. self.workflow.id(data.id);
  213. $(document).trigger("info", data.message);
  214. if (window.location.search.indexOf("workflow") == -1) {
  215. window.location.hash = '#workflow=' + data.id;
  216. }
  217. }
  218. else {
  219. $(document).trigger("error", data.message);
  220. }
  221. }).fail(function (xhr, textStatus, errorThrown) {
  222. $(document).trigger("error", xhr.responseText);
  223. });
  224. };
  225. self.gen_xml = function () {
  226. $.post("/oozie/editor/workflow/gen_xml/", {
  227. "layout": ko.mapping.toJSON(self.columns),
  228. "workflow": ko.mapping.toJSON(self.workflow)
  229. }, function (data) {
  230. if (data.status == 0) {
  231. alert(data.xml);
  232. }
  233. else {
  234. $(document).trigger("error", data.message);
  235. }
  236. }).fail(function (xhr, textStatus, errorThrown) {
  237. $(document).trigger("error", xhr.responseText);
  238. });
  239. };
  240. self.showSubmitPopup = function () {
  241. // If self.workflow.id() == null, need to save wf for now
  242. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  243. }, function (data) {
  244. $(document).trigger("showSubmitPopup", data);
  245. }).fail(function (xhr, textStatus, errorThrown) {
  246. $(document).trigger("error", xhr.responseText);
  247. });
  248. };
  249. self.removeWidgetById = function (widget_id) {
  250. $.each(self.columns(), function (i, col) {
  251. $.each(col.rows(), function (j, row) {
  252. $.each(row.widgets(), function (z, widget) {
  253. if (widget.id() == widget_id){
  254. row.widgets.remove(widget);
  255. }
  256. });
  257. });
  258. });
  259. }
  260. function bareWidgetBuilder(name, type){
  261. return new Widget({
  262. size: 12,
  263. id: UUID(),
  264. name: name,
  265. widgetType: type
  266. });
  267. }
  268. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  269. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  270. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  271. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  272. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  273. self.draggableForkNode = ko.observable(bareWidgetBuilder("Fork", "fork-widget"));
  274. self.draggableDecisionNode = ko.observable(bareWidgetBuilder("Decision", "decision-widget"));
  275. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  276. };