hdfs.ko.js 9.1 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 parseAcl(acl) {
  17. // (default:)?(user|group|mask|other):[[A-Za-z_][A-Za-z0-9._-]]*:([rwx-]{3})?
  18. m = acl.match(/(default:)?(user|group|mask|other):(.*?):(.)(.)(.)/);
  19. var acl = ko.mapping.fromJS({
  20. 'isDefault': m[1] != null,
  21. 'type': m[2],
  22. 'name': m[3],
  23. 'r': m[4] != '-',
  24. 'w': m[5] != '-',
  25. 'x': m[6] != '-',
  26. 'status': ''
  27. });
  28. acl.type.subscribe(function () {
  29. acl.status('modified');
  30. });
  31. acl.name.subscribe(function () {
  32. acl.status('modified');
  33. });
  34. acl.r.subscribe(function () {
  35. acl.status('modified');
  36. });
  37. acl.w.subscribe(function () {
  38. acl.status('modified');
  39. });
  40. acl.x.subscribe(function () {
  41. acl.status('modified');
  42. });
  43. return acl;
  44. }
  45. function printAcl(acl) {
  46. return (acl.isDefault() ? 'default:' : '') + acl.type() + ':' + acl.name() + ':' + (acl.r() ? 'r' : '-') + (acl.w() ? 'w' : '-') + (acl.x() ? 'x' : '-');
  47. }
  48. var Assist = function (vm, assist) {
  49. var self = this;
  50. self.isLoadingAcls = ko.observable(false);
  51. self.showAclsAsText = ko.observable(false);
  52. self.isDiffMode = ko.observable(false);
  53. self.treeCollapseStatus = {};
  54. self.treeLoadingStatus = {};
  55. self.treeData = ko.observable({nodes: []});
  56. self.loadData = function (data) {
  57. self.treeData(new TreeNodeModel(data));
  58. };
  59. self.growingTree = ko.observable({
  60. name: "__HUEROOT__",
  61. path: "__HUEROOT__",
  62. aclBit: false,
  63. selected: false,
  64. nodes: [
  65. {
  66. name: "/",
  67. path: "/",
  68. isDir: true,
  69. isExpanded: true,
  70. aclBit: false,
  71. selected: false,
  72. nodes: []
  73. }
  74. ]
  75. });
  76. self.path = ko.observable('');
  77. self.path.subscribe(function (path) {
  78. self.fetchPath();
  79. window.location.hash = path;
  80. });
  81. self.files = ko.observableArray();
  82. self.acls = ko.observableArray();
  83. self.originalAcls = ko.observableArray();
  84. self.regularAcls = ko.computed(function () {
  85. return $.grep(self.acls(), function (acl) {
  86. return !acl.isDefault();
  87. });
  88. });
  89. self.defaultAcls = ko.computed(function () {
  90. return $.grep(self.acls(), function (acl) {
  91. return acl.isDefault();
  92. });
  93. });
  94. self.changedAcls = ko.computed(function () {
  95. return $.grep(self.acls(), function (acl) {
  96. return ['new', 'deleted', 'modified'].indexOf(acl.status()) != -1;
  97. });
  98. });
  99. self.owner = ko.observable('');
  100. self.group = ko.observable('');
  101. self.addAcl = function () {
  102. var newAcl = parseAcl('group::---');
  103. newAcl.status('new');
  104. self.acls.push(newAcl);
  105. };
  106. self.addDefaultAcl = function () {
  107. var newAcl = parseAcl('default:group::---');
  108. newAcl.status('new');
  109. self.acls.push(newAcl);
  110. };
  111. self.removeAcl = function (acl) {
  112. if (acl.status() == 'new') {
  113. self.acls.remove(acl);
  114. } else {
  115. acl.status('deleted');
  116. }
  117. };
  118. self.convertItemToObject = function (item) {
  119. var _path = item.path;
  120. var _parent = _path.substr(0, _path.lastIndexOf("/"));
  121. if (_parent == "") {
  122. _parent = "/";
  123. }
  124. if (_path != "/") {
  125. self.growingTree(self.traversePath(self.growingTree(), _parent, item));
  126. }
  127. }
  128. self.traversePath = function (leaf, parent, item) {
  129. var _mainFound = false;
  130. leaf.nodes.forEach(function (node) {
  131. if (node.path == item.path) {
  132. _mainFound = true;
  133. }
  134. if (parent.indexOf(node.path) > -1) {
  135. self.traversePath(node, parent, item);
  136. }
  137. });
  138. if (!_mainFound && leaf.path == parent) {
  139. var _chunks = item.path.split("/");
  140. leaf.nodes.push({
  141. name: _chunks[_chunks.length - 1],
  142. path: item.path,
  143. aclBit: item.rwx.indexOf('+') != -1,
  144. isExpanded: true,
  145. isDir: item.type == "dir",
  146. nodes: []
  147. });
  148. }
  149. return leaf;
  150. }
  151. self.updatePathExpanded = function (leaf, path, expanded) {
  152. if (leaf.path == path) {
  153. leaf.isExpanded = expanded;
  154. }
  155. if (leaf.nodes.length > 0) {
  156. leaf.nodes.forEach(function (node) {
  157. self.updatePathExpanded(node, path, expanded);
  158. });
  159. }
  160. return leaf;
  161. }
  162. self.setPath = function (obj) {
  163. if (self.treeLoadingStatus[obj.path()] != null && self.treeLoadingStatus[obj.path()]) {
  164. obj.isExpanded(!obj.isExpanded());
  165. self.updatePathExpanded(self.growingTree(), obj.path(), obj.isExpanded());
  166. self.treeCollapseStatus[obj.path()] = obj.isExpanded();
  167. }
  168. self.path(obj.path());
  169. }
  170. self.openPath = function (obj) {
  171. window.open("/filebrowser/view" + obj.path(), '_blank');
  172. }
  173. self.loadParents = function (breadcrumbs) {
  174. if (typeof breadcrumbs != "undefined" && breadcrumbs != null) {
  175. breadcrumbs.forEach(function (crumb, idx) {
  176. if (idx < breadcrumbs.length - 1 && crumb.url != "") {
  177. var _item = {
  178. path: crumb.url,
  179. name: crumb.label,
  180. rwx: "",
  181. isDir: true
  182. }
  183. self.convertItemToObject(_item);
  184. }
  185. });
  186. }
  187. }
  188. self.fetchPath = function () {
  189. $.getJSON('/filebrowser/view' + self.path(), {
  190. 'pagesize': 15,
  191. 'format': 'json',
  192. 'doas': vm.doAs()
  193. }, function (data) {
  194. self.treeLoadingStatus[self.path()] = true;
  195. self.loadParents(data.breadcrumbs);
  196. if (data['files'] && data['files'][0]['type'] == 'dir') { // Hack for now
  197. self.files.removeAll();
  198. $.each(data.files, function (index, item) {
  199. self.convertItemToObject(item);
  200. self.files.push(ko.mapping.fromJS({
  201. 'path': item.path,
  202. 'aclBit': item.rwx.indexOf('+') != -1
  203. })
  204. );
  205. });
  206. }
  207. else {
  208. self.convertItemToObject(data);
  209. }
  210. self.loadData(self.growingTree());
  211. self.getAcls();
  212. }).fail(function (xhr, textStatus, errorThrown) {
  213. $(document).trigger("error", xhr.responseText);
  214. });
  215. };
  216. self.getAcls = function () {
  217. $(".jHueNotify").hide();
  218. var _isLoading = window.setTimeout(function () {
  219. self.isLoadingAcls(true);
  220. }, 1000);
  221. logGA('get_acls');
  222. $.getJSON('/security/api/hdfs/get_acls', {
  223. 'path': self.path()
  224. }, function (data) {
  225. window.clearTimeout(_isLoading);
  226. if (data != null) {
  227. self.acls.removeAll();
  228. self.originalAcls.removeAll();
  229. $.each(data.entries, function (index, item) {
  230. self.acls.push(parseAcl(item));
  231. self.originalAcls.push(parseAcl(item));
  232. });
  233. self.owner(data.owner);
  234. self.group(data.group);
  235. self.isLoadingAcls(false);
  236. $(document).trigger("loaded.acls");
  237. }
  238. }).fail(function (xhr, textStatus, errorThrown) {
  239. if (xhr.responseText.search('FileNotFoundException') == -1) { // TODO only fetch on existing path
  240. $(document).trigger("error", xhr.responseText);
  241. self.isLoadingAcls(false);
  242. }
  243. });
  244. };
  245. self.updateAcls = function () {
  246. $(".jHueNotify").hide();
  247. logGA('updateAcls');
  248. $.post("/security/api/hdfs/update_acls", {
  249. 'path': self.path(),
  250. 'acls': ko.mapping.toJSON(self.acls()),
  251. 'originalAcls': ko.mapping.toJSON(self.originalAcls())
  252. }, function (data) {
  253. var toDelete = []
  254. $.each(self.acls(), function (index, item) {
  255. if (item.status() == 'deleted') {
  256. toDelete.push(item);
  257. } else {
  258. item.status('');
  259. }
  260. });
  261. $.each(toDelete, function (index, item) {
  262. self.acls.remove(item);
  263. });
  264. $(document).trigger("info", 'Done!');
  265. }
  266. ).fail(function (xhr, textStatus, errorThrown) {
  267. $(document).trigger("error", JSON.parse(xhr.responseText).message);
  268. });
  269. }
  270. }
  271. var HdfsViewModel = function (initial) {
  272. var self = this;
  273. self.assist = new Assist(self, initial);
  274. self.doAs = ko.observable('');
  275. self.doAs.subscribe(function () {
  276. self.assist.fetchPath();
  277. });
  278. self.availableHadoopUsers = ko.observableArray();
  279. self.availableHadoopGroups = ko.observableArray();
  280. self.init = function (path) {
  281. self.fetchUsers();
  282. self.assist.path(path);
  283. }
  284. self.fetchUsers = function () {
  285. $.getJSON('/desktop/api/users/autocomplete', function (data) {
  286. $.each(data.users, function (i, user) {
  287. self.availableHadoopUsers.push(user.username);
  288. });
  289. $.each(data.groups, function (i, group) {
  290. self.availableHadoopGroups.push(group.name);
  291. });
  292. });
  293. }
  294. };
  295. function logGA(page) {
  296. if (typeof trackOnGA == 'function') {
  297. trackOnGA('security/hdfs' + page);
  298. }
  299. }