workflow-editor.ko.js 8.7 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. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  94. }, function (data) {
  95. if (data.status == 0) {
  96. widget.properties = data.properties;
  97. var node = new Node(ko.mapping.toJS(widget));
  98. node.children().push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'}) // Link to child
  99. // Add to list of nodes
  100. var end = self.nodes.pop();
  101. self.nodes.push(node);
  102. self.nodes.push(end);
  103. self.nodes()[0].children.removeAll(); // Parent link to new node
  104. self.nodes()[0].children().push({'to': node.id()});
  105. } else {
  106. $(document).trigger("error", data.message);
  107. }
  108. }).fail(function (xhr, textStatus, errorThrown) {
  109. $(document).trigger("error", xhr.responseText);
  110. });
  111. };
  112. self.getNodeById = function (node_id) {
  113. var _node = null;
  114. $.each(self.nodes(), function (index, node) {
  115. if (node.id() == node_id) {
  116. _node = node;
  117. return false;
  118. }
  119. });
  120. return _node;
  121. }
  122. }
  123. var WorkflowEditorViewModel = function (layout_json, workflow_json) {
  124. var self = this;
  125. self.isEditing = ko.observable(true);
  126. self.toggleEditing = function () {
  127. self.isEditing(! self.isEditing());
  128. };
  129. self.columns = ko.observable([]);
  130. self.previewColumns = ko.observable("");
  131. self.workflow = new Workflow(self, workflow_json);
  132. self.inited = ko.observable(self.columns().length > 0);
  133. self.init = function(callback) {
  134. loadLayout(self, layout_json);
  135. self.workflow.loadNodes(workflow_json);
  136. }
  137. self.depen = ko.observableArray(workflow_json.dependencies);
  138. self.addActionProperties = ko.observableArray([]);
  139. self.addActionWorkflows = ko.observableArray([]);
  140. self.selectedSubWorkflow = ko.observable();
  141. self.getWidgetById = function (widget_id) {
  142. var _widget = null;
  143. $.each(self.columns(), function (i, col) {
  144. $.each(col.rows(), function (j, row) {
  145. $.each(row.widgets(), function (z, widget) {
  146. if (widget.id() == widget_id){
  147. _widget = widget;
  148. return false;
  149. }
  150. });
  151. });
  152. });
  153. return _widget;
  154. }
  155. self.save = function () {
  156. $.post("/oozie/editor/workflow/save/", {
  157. "layout": ko.mapping.toJSON(self.columns),
  158. "workflow": ko.mapping.toJSON(self.workflow)
  159. }, function (data) {
  160. if (data.status == 0) {
  161. self.workflow.id(data.id);
  162. $(document).trigger("info", data.message);
  163. if (window.location.search.indexOf("workflow") == -1) {
  164. window.location.hash = '#workflow=' + data.id;
  165. }
  166. }
  167. else {
  168. $(document).trigger("error", data.message);
  169. }
  170. }).fail(function (xhr, textStatus, errorThrown) {
  171. $(document).trigger("error", xhr.responseText);
  172. });
  173. };
  174. self.gen_xml = function () {
  175. $.post("/oozie/editor/workflow/gen_xml/", {
  176. "layout": ko.mapping.toJSON(self.columns),
  177. "workflow": ko.mapping.toJSON(self.workflow)
  178. }, function (data) {
  179. if (data.status == 0) {
  180. alert(data.xml);
  181. }
  182. else {
  183. $(document).trigger("error", data.message);
  184. }
  185. }).fail(function (xhr, textStatus, errorThrown) {
  186. $(document).trigger("error", xhr.responseText);
  187. });
  188. };
  189. self.showSubmitPopup = function () {
  190. // If self.workflow.id() == null, need to save wf for now
  191. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  192. }, function (data) {
  193. $(document).trigger("showSubmitPopup", data);
  194. }).fail(function (xhr, textStatus, errorThrown) {
  195. $(document).trigger("error", xhr.responseText);
  196. });
  197. };
  198. self.removeWidgetById = function (widget_id) {
  199. $.each(self.columns(), function (i, col) {
  200. $.each(col.rows(), function (j, row) {
  201. $.each(row.widgets(), function (z, widget) {
  202. if (widget.id() == widget_id){
  203. row.widgets.remove(widget);
  204. }
  205. });
  206. });
  207. });
  208. }
  209. function bareWidgetBuilder(name, type){
  210. return new Widget({
  211. size: 12,
  212. id: UUID(),
  213. name: name,
  214. widgetType: type
  215. });
  216. }
  217. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  218. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  219. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  220. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  221. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  222. self.draggableForkNode = ko.observable(bareWidgetBuilder("Fork", "fork-widget"));
  223. self.draggableDecisionNode = ko.observable(bareWidgetBuilder("Decision", "decision-widget"));
  224. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  225. };