hdfs.ko.js 9.7 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 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. updateTypeAheads(viewModel);
  31. });
  32. acl.name.subscribe(function () {
  33. acl.status('modified');
  34. });
  35. acl.r.subscribe(function () {
  36. acl.status('modified');
  37. });
  38. acl.w.subscribe(function () {
  39. acl.status('modified');
  40. });
  41. acl.x.subscribe(function () {
  42. acl.status('modified');
  43. });
  44. return acl;
  45. }
  46. function printAcl(acl) {
  47. return (acl.isDefault() ? 'default:' : '') + acl.type() + ':' + acl.name() + ':' + (acl.r() ? 'r' : '-') + (acl.w() ? 'w' : '-') + (acl.x() ? 'x' : '-');
  48. }
  49. function updateTypeAheads(vm) {
  50. $(".group-list").typeahead({'source': vm.availableHadoopGroups()});
  51. $(".user-list").typeahead({'source': vm.availableHadoopUsers()});
  52. }
  53. var Assist = function (vm, assist) {
  54. var self = this;
  55. self.isLoadingAcls = ko.observable(false);
  56. self.showAclsAsText = ko.observable(false);
  57. self.isDiffMode = ko.observable(false);
  58. self.treeCollapseStatus = {};
  59. self.treeLoadingStatus = {};
  60. self.treeData = ko.observable({nodes: []});
  61. self.loadData = function (data) {
  62. self.treeData(new TreeNodeModel(data));
  63. };
  64. self.growingTree = ko.observable({
  65. name: "__HUEROOT__",
  66. path: "__HUEROOT__",
  67. aclBit: false,
  68. striked: false,
  69. selected: false,
  70. nodes: [
  71. {
  72. name: "/",
  73. path: "/",
  74. isDir: true,
  75. isExpanded: true,
  76. aclBit: false,
  77. striked: false,
  78. selected: false,
  79. nodes: []
  80. }
  81. ]
  82. });
  83. self.path = ko.observable('');
  84. self.path.subscribe(function (path) {
  85. self.fetchPath();
  86. window.location.hash = path;
  87. });
  88. self.files = ko.observableArray();
  89. self.acls = ko.observableArray();
  90. self.originalAcls = ko.observableArray();
  91. self.regularAcls = ko.computed(function () {
  92. return $.grep(self.acls(), function (acl) {
  93. return !acl.isDefault();
  94. });
  95. });
  96. self.defaultAcls = ko.computed(function () {
  97. return $.grep(self.acls(), function (acl) {
  98. return acl.isDefault();
  99. });
  100. });
  101. self.changedAcls = ko.computed(function () {
  102. return $.grep(self.acls(), function (acl) {
  103. return ['new', 'deleted', 'modified'].indexOf(acl.status()) != -1;
  104. });
  105. });
  106. self.owner = ko.observable('');
  107. self.group = ko.observable('');
  108. self.afterRender = function() {
  109. $(document).trigger("rendered.tree");
  110. }
  111. self.addAcl = function () {
  112. var newAcl = parseAcl('group::---');
  113. newAcl.status('new');
  114. self.acls.push(newAcl);
  115. updateTypeAheads(vm);
  116. };
  117. self.addDefaultAcl = function () {
  118. var newAcl = parseAcl('default:group::---');
  119. newAcl.status('new');
  120. self.acls.push(newAcl);
  121. };
  122. self.removeAcl = function (acl) {
  123. if (acl.status() == 'new') {
  124. self.acls.remove(acl);
  125. } else {
  126. acl.status('deleted');
  127. }
  128. };
  129. self.convertItemToObject = function (item) {
  130. if (item.path != null) {
  131. var _path = item.path;
  132. var _parent = _path.substr(0, _path.lastIndexOf("/"));
  133. if (_parent == "") {
  134. _parent = "/";
  135. }
  136. if (_path != "/") {
  137. self.growingTree(self.traversePath(self.growingTree(), _parent, item));
  138. }
  139. }
  140. }
  141. self.traversePath = function (leaf, parent, item) {
  142. var _mainFound = false;
  143. leaf.nodes.forEach(function (node) {
  144. if (node.path == item.path) {
  145. _mainFound = true;
  146. }
  147. if (parent.indexOf(node.path) > -1) {
  148. self.traversePath(node, parent, item);
  149. }
  150. });
  151. if (!_mainFound && leaf.path == parent) {
  152. var _chunks = item.path.split("/");
  153. leaf.nodes.push({
  154. name: _chunks[_chunks.length - 1],
  155. path: item.path,
  156. aclBit: item.rwx.indexOf('+') != -1,
  157. striked: item.striked != null,
  158. isExpanded: true,
  159. isDir: item.type == "dir",
  160. nodes: []
  161. });
  162. }
  163. return leaf;
  164. }
  165. self.updatePathExpanded = function (leaf, path, expanded) {
  166. if (leaf.path == path) {
  167. leaf.isExpanded = expanded;
  168. }
  169. if (leaf.nodes.length > 0) {
  170. leaf.nodes.forEach(function (node) {
  171. self.updatePathExpanded(node, path, expanded);
  172. });
  173. }
  174. return leaf;
  175. }
  176. self.setPath = function (obj) {
  177. if (self.treeLoadingStatus[obj.path()] != null && self.treeLoadingStatus[obj.path()]) {
  178. obj.isExpanded(!obj.isExpanded());
  179. self.updatePathExpanded(self.growingTree(), obj.path(), obj.isExpanded());
  180. self.treeCollapseStatus[obj.path()] = obj.isExpanded();
  181. }
  182. self.path(obj.path());
  183. }
  184. self.openPath = function (obj) {
  185. window.open("/filebrowser/view" + obj.path(), '_blank');
  186. }
  187. self.loadParents = function (breadcrumbs) {
  188. if (typeof breadcrumbs != "undefined" && breadcrumbs != null) {
  189. breadcrumbs.forEach(function (crumb, idx) {
  190. if (idx < breadcrumbs.length - 1 && crumb.url != "") {
  191. var _item = {
  192. path: crumb.url,
  193. name: crumb.label,
  194. rwx: "",
  195. isDir: true
  196. }
  197. self.convertItemToObject(_item);
  198. }
  199. });
  200. }
  201. }
  202. self.fetchPath = function () {
  203. $.getJSON('/security/api/hdfs/list' + self.path(), {
  204. 'pagesize': 15,
  205. 'format': 'json',
  206. 'doas': vm.doAs(),
  207. 'isDiffMode': self.isDiffMode(),
  208. }, function (data) {
  209. self.treeLoadingStatus[self.path()] = true;
  210. self.loadParents(data.breadcrumbs);
  211. if (data['files'] && data['files'][0]['type'] == 'dir') { // Hack for now
  212. self.files.removeAll();
  213. $.each(data.files, function (index, item) {
  214. self.convertItemToObject(item);
  215. self.files.push(ko.mapping.fromJS({
  216. 'path': item.path,
  217. 'aclBit': item.rwx.indexOf('+') != -1,
  218. 'striked': item.striked != null,
  219. })
  220. );
  221. });
  222. }
  223. else {
  224. self.convertItemToObject(data);
  225. }
  226. self.loadData(self.growingTree());
  227. self.getAcls();
  228. }).fail(function (xhr, textStatus, errorThrown) {
  229. $(document).trigger("error", xhr.responseText);
  230. });
  231. };
  232. self.getAcls = function () {
  233. $(".jHueNotify").hide();
  234. var _isLoading = window.setTimeout(function () {
  235. self.isLoadingAcls(true);
  236. }, 1000);
  237. logGA('get_acls');
  238. $.getJSON('/security/api/hdfs/get_acls', {
  239. 'path': self.path()
  240. }, function (data) {
  241. window.clearTimeout(_isLoading);
  242. if (data != null) {
  243. self.acls.removeAll();
  244. self.originalAcls.removeAll();
  245. $.each(data.entries, function (index, item) {
  246. self.acls.push(parseAcl(item));
  247. self.originalAcls.push(parseAcl(item));
  248. });
  249. self.owner(data.owner);
  250. self.group(data.group);
  251. self.isLoadingAcls(false);
  252. $(document).trigger("loaded.acls");
  253. }
  254. }).fail(function (xhr, textStatus, errorThrown) {
  255. if (xhr.responseText.search('FileNotFoundException') == -1) { // TODO only fetch on existing path
  256. $(document).trigger("error", xhr.responseText);
  257. self.isLoadingAcls(false);
  258. }
  259. });
  260. };
  261. self.updateAcls = function () {
  262. $(".jHueNotify").hide();
  263. logGA('updateAcls');
  264. $.post("/security/api/hdfs/update_acls", {
  265. 'path': self.path(),
  266. 'acls': ko.mapping.toJSON(self.acls()),
  267. 'originalAcls': ko.mapping.toJSON(self.originalAcls())
  268. }, function (data) {
  269. var toDelete = []
  270. $.each(self.acls(), function (index, item) {
  271. if (item.status() == 'deleted') {
  272. toDelete.push(item);
  273. } else {
  274. item.status('');
  275. }
  276. });
  277. $.each(toDelete, function (index, item) {
  278. self.acls.remove(item);
  279. });
  280. $(document).trigger("info", 'Done!');
  281. }
  282. ).fail(function (xhr, textStatus, errorThrown) {
  283. $(document).trigger("error", JSON.parse(xhr.responseText).message);
  284. });
  285. }
  286. }
  287. var HdfsViewModel = function (initial) {
  288. var self = this;
  289. self.assist = new Assist(self, initial);
  290. self.doAs = ko.observable(initial.user);
  291. self.doAs.subscribe(function () {
  292. self.assist.fetchPath();
  293. });
  294. self.availableHadoopUsers = ko.observableArray();
  295. self.availableHadoopGroups = ko.observableArray();
  296. self.init = function (path) {
  297. self.fetchUsers();
  298. self.assist.path(path);
  299. }
  300. self.fetchUsers = function () {
  301. $.getJSON('/desktop/api/users/autocomplete', function (data) {
  302. $.each(data.users, function (i, user) {
  303. self.availableHadoopUsers.push(user.username);
  304. });
  305. $.each(data.groups, function (i, group) {
  306. self.availableHadoopGroups.push(group.name);
  307. });
  308. updateTypeAheads(self);
  309. });
  310. }
  311. };
  312. function logGA(page) {
  313. if (typeof trackOnGA == 'function') {
  314. trackOnGA('security/hdfs' + page);
  315. }
  316. }