workflow-editor.ko.js 8.4 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. function magicLayout(vm) {
  17. loadLayout(vm, vm.initial.layout);
  18. $(document).trigger("magicLayout");
  19. }
  20. function loadLayout(viewModel, json_layout) {
  21. var _columns = [];
  22. $(json_layout).each(function (cnt, json_col) {
  23. var _rows = [];
  24. $(json_col.rows).each(function (rcnt, json_row) {
  25. var row = new Row([], viewModel);
  26. $(json_row.widgets).each(function (wcnt, widget) {
  27. row.addWidget(new Widget({
  28. size:widget.size,
  29. id: widget.id,
  30. name: widget.name,
  31. widgetType: widget.widgetType,
  32. properties: widget.properties,
  33. offset: widget.offset,
  34. loading: true,
  35. vm: viewModel
  36. }));
  37. });
  38. _rows.push(row);
  39. });
  40. var column = new Column(json_col.size, _rows);
  41. _columns = _columns.concat(column);
  42. });
  43. viewModel.columns(_columns);
  44. }
  45. // End dashboard lib
  46. var Node = function (node) {
  47. var self = this;
  48. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  49. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  50. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  51. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  52. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  53. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  54. }
  55. var Workflow = function (vm, workflow) {
  56. var self = this;
  57. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  58. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  59. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  60. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  61. self.nodes = ko.observableArray([]);
  62. self.loadNodes = function(workflow) {
  63. var nodes = []
  64. $.each(workflow.nodes, function(index, node) {
  65. var _node = new Node(node);
  66. nodes.push(_node);
  67. });
  68. self.nodes(nodes)
  69. }
  70. self.newNode = function(widget) {
  71. $.ajax({
  72. type: "POST",
  73. url: "/oozie/editor/workflow/new_node/",
  74. data: {
  75. "workflow": ko.mapping.toJSON(workflow),
  76. "node": ko.mapping.toJSON(widget)
  77. },
  78. success: function (data) {
  79. if (data.status == 0) {
  80. viewModel.addActionProperties(data.properties);
  81. viewModel.addActionWorkflows(data.workflows);
  82. }
  83. },
  84. async: false
  85. });
  86. };
  87. self.addNode = function(widget) {
  88. // Todo get parent cell, link nodes... when we have the new layout
  89. $.post("/oozie/editor/workflow/add_node/", {
  90. "workflow": ko.mapping.toJSON(workflow),
  91. "node": ko.mapping.toJSON(widget),
  92. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  93. }, function (data) {
  94. if (data.status == 0) {
  95. widget.properties = data.properties;
  96. var node = new Node(ko.mapping.toJS(widget));
  97. node.children().push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'}) // Link to child
  98. // Add to list of nodes
  99. var end = self.nodes.pop();
  100. self.nodes.push(node);
  101. self.nodes.push(end);
  102. self.nodes()[0].children.removeAll(); // Parent link to new node
  103. self.nodes()[0].children().push({'to': node.id()});
  104. } else {
  105. $(document).trigger("error", data.message);
  106. }
  107. }).fail(function (xhr, textStatus, errorThrown) {
  108. $(document).trigger("error", xhr.responseText);
  109. });
  110. };
  111. self.getNodeById = function (node_id) {
  112. var _node = null;
  113. $.each(self.nodes(), function (index, node) {
  114. if (node.id() == node_id) {
  115. _node = node;
  116. return false;
  117. }
  118. });
  119. return _node;
  120. }
  121. }
  122. var WorkflowEditorViewModel = function (layout_json, workflow_json) {
  123. var self = this;
  124. self.isEditing = ko.observable(true);
  125. self.toggleEditing = function () {
  126. self.isEditing(! self.isEditing());
  127. };
  128. self.columns = ko.observable([]);
  129. self.previewColumns = ko.observable("");
  130. self.workflow = new Workflow(self, workflow_json);
  131. self.inited = ko.observable(self.columns().length > 0);
  132. self.init = function(callback) {
  133. loadLayout(self, layout_json);
  134. self.workflow.loadNodes(workflow_json);
  135. }
  136. self.addActionProperties = ko.observableArray([]);
  137. self.addActionWorkflows = ko.observableArray([]);
  138. self.getWidgetById = function (widget_id) {
  139. var _widget = null;
  140. $.each(self.columns(), function (i, col) {
  141. $.each(col.rows(), function (j, row) {
  142. $.each(row.widgets(), function (z, widget) {
  143. if (widget.id() == widget_id){
  144. _widget = widget;
  145. return false;
  146. }
  147. });
  148. });
  149. });
  150. return _widget;
  151. }
  152. self.save = function () {
  153. $.post("/oozie/editor/workflow/save/", {
  154. "layout": ko.mapping.toJSON(self.columns),
  155. "workflow": ko.mapping.toJSON(self.workflow)
  156. }, function (data) {
  157. if (data.status == 0) {
  158. self.workflow.id(data.id);
  159. $(document).trigger("info", data.message);
  160. if (window.location.search.indexOf("workflow") == -1) {
  161. window.location.hash = '#workflow=' + data.id;
  162. }
  163. }
  164. else {
  165. $(document).trigger("error", data.message);
  166. }
  167. }).fail(function (xhr, textStatus, errorThrown) {
  168. $(document).trigger("error", xhr.responseText);
  169. });
  170. };
  171. self.gen_xml = function () {
  172. $.post("/oozie/editor/workflow/gen_xml/", {
  173. "layout": ko.mapping.toJSON(self.columns),
  174. "workflow": ko.mapping.toJSON(self.workflow)
  175. }, function (data) {
  176. if (data.status == 0) {
  177. alert(data.xml);
  178. }
  179. else {
  180. $(document).trigger("error", data.message);
  181. }
  182. }).fail(function (xhr, textStatus, errorThrown) {
  183. $(document).trigger("error", xhr.responseText);
  184. });
  185. };
  186. self.showSubmitPopup = function () {
  187. // If self.workflow.id() == null, need to save wf for now
  188. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  189. }, function (data) {
  190. $(document).trigger("showSubmitPopup", data);
  191. }).fail(function (xhr, textStatus, errorThrown) {
  192. $(document).trigger("error", xhr.responseText);
  193. });
  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. function bareWidgetBuilder(name, type){
  207. return new Widget({
  208. size: 12,
  209. id: UUID(),
  210. name: name,
  211. widgetType: type
  212. });
  213. }
  214. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  215. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  216. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  217. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  218. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  219. self.draggableForkNode = ko.observable(bareWidgetBuilder("Fork", "fork-widget"));
  220. self.draggableDecisionNode = ko.observable(bareWidgetBuilder("Decision", "decision-widget"));
  221. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  222. };