hdfs.ko.js 15 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.compareNames = function (a,b) {
  51. if (a.name.toLowerCase() < b.name.toLowerCase())
  52. return -1;
  53. if (a.name.toLowerCase() > b.name.toLowerCase())
  54. return 1;
  55. return 0;
  56. }
  57. self.isLoadingAcls = ko.observable(false);
  58. self.isLoadingTree = ko.observable(false);
  59. self.showAclsAsText = ko.observable(false);
  60. self.isDiffMode = ko.observable(false);
  61. self.isDiffMode.subscribe(function () {
  62. self.refreshTree();
  63. });
  64. self.treeAdditionalData = {};
  65. self.treeData = ko.observable({nodes: []});
  66. self.loadData = function (data) {
  67. self.treeData(new TreeNodeModel(data));
  68. };
  69. self.initialGrowingTree = {
  70. name: "__HUEROOT__",
  71. path: "__HUEROOT__",
  72. aclBit: false,
  73. striked: false,
  74. selected: false,
  75. rwx: "",
  76. page: {
  77. number: -1,
  78. num_pages: -1
  79. },
  80. nodes: [
  81. {
  82. name: "/",
  83. path: "/",
  84. isDir: true,
  85. isExpanded: true,
  86. isChecked: false,
  87. aclBit: false,
  88. striked: false,
  89. selected: false,
  90. rwx: "",
  91. page: {
  92. number: -1,
  93. num_pages: -1
  94. },
  95. nodes: []
  96. }
  97. ]
  98. };
  99. self.growingTree = ko.observable(jQuery.extend(true, {}, self.initialGrowingTree));
  100. self.path = ko.observable('');
  101. self.path.subscribe(function (path) {
  102. self.pagenum(1);
  103. self.fetchPath();
  104. window.location.hash = path;
  105. });
  106. self.pagenum = ko.observable(1);
  107. self.fromLoadMore = false;
  108. self.fromRebuildTree = false;
  109. self.acls = ko.observableArray();
  110. self.originalAcls = ko.observableArray();
  111. self.regularAcls = ko.computed(function () {
  112. return $.grep(self.acls(), function (acl) {
  113. return ! acl.isDefault();
  114. });
  115. });
  116. self.defaultAcls = ko.computed(function () {
  117. return $.grep(self.acls(), function (acl) {
  118. return acl.isDefault();
  119. });
  120. });
  121. self.changedRegularAcls = ko.computed(function () {
  122. return $.grep(self.regularAcls(), function (acl) {
  123. return ['new', 'deleted', 'modified'].indexOf(acl.status()) != -1;
  124. });
  125. });
  126. self.changedDefaultAcls = ko.computed(function () {
  127. return $.grep(self.defaultAcls(), function (acl) {
  128. return ['new', 'deleted', 'modified'].indexOf(acl.status()) != -1;
  129. });
  130. });
  131. self.owner = ko.observable('');
  132. self.group = ko.observable('');
  133. self.afterRender = function() {
  134. if (! self.fromLoadMore && ! self.fromRebuildTree) {
  135. $(document).trigger("rendered.tree");
  136. }
  137. self.fromLoadMore = false;
  138. self.fromRebuildTree = false;
  139. }
  140. self.addAcl = function () {
  141. var newAcl = parseAcl('group::---');
  142. newAcl.status('new');
  143. self.acls.push(newAcl);
  144. };
  145. self.addDefaultAcl = function () {
  146. var newAcl = parseAcl('default:group::---');
  147. newAcl.status('new');
  148. self.acls.push(newAcl);
  149. };
  150. self.removeAcl = function (acl) {
  151. if (acl.status() == 'new') {
  152. self.acls.remove(acl);
  153. } else {
  154. acl.status('deleted');
  155. }
  156. };
  157. self.convertItemToObject = function (item) {
  158. if (item.path != null && item.name != "." && item.name != "..") {
  159. var _path = item.path;
  160. var _parent = _path.substr(0, _path.lastIndexOf("/"));
  161. if (_parent == "") {
  162. _parent = "/";
  163. }
  164. if (_path != "/") {
  165. self.growingTree(self.traversePath(self.growingTree(), _parent, item));
  166. }
  167. }
  168. }
  169. self.traversePath = function (leaf, parent, item) {
  170. var _mainFound = false;
  171. leaf.nodes.forEach(function (node) {
  172. if (node.path == item.path) {
  173. _mainFound = true;
  174. }
  175. if (parent.indexOf(node.path) > -1) {
  176. self.traversePath(node, parent, item);
  177. }
  178. });
  179. if (!_mainFound && leaf.path == parent) {
  180. var _chunks = item.path.split("/");
  181. leaf.nodes.push({
  182. name: _chunks[_chunks.length - 1],
  183. path: item.path,
  184. aclBit: item.rwx.indexOf('+') != -1,
  185. striked: item.striked != null,
  186. isExpanded: true,
  187. isChecked: false,
  188. rwx: item.rwx,
  189. isDir: item.type == "dir" || item.isDir == true,
  190. page: {
  191. number: -1,
  192. num_pages: -1
  193. },
  194. nodes: []
  195. });
  196. leaf.nodes.sort(self.compareNames);
  197. }
  198. return leaf;
  199. }
  200. self.getTreeAdditionalDataForPath = function (path) {
  201. if (typeof self.treeAdditionalData[path] == "undefined"){
  202. var _add = {
  203. loaded: false
  204. }
  205. self.treeAdditionalData[path] = _add;
  206. }
  207. return self.treeAdditionalData[path];
  208. }
  209. self.updatePathProperty = function (leaf, path, property, value) {
  210. if (leaf.path == path) {
  211. leaf[property] = value;
  212. }
  213. if (leaf.nodes.length > 0) {
  214. leaf.nodes.forEach(function (node) {
  215. self.updatePathProperty(node, path, property, value);
  216. });
  217. }
  218. return leaf;
  219. }
  220. self.updateTreeProperty = function (leaf, property, value) {
  221. leaf[property] = value;
  222. if (leaf.nodes.length > 0) {
  223. leaf.nodes.forEach(function (node) {
  224. self.updateTreeProperty(node, property, value);
  225. });
  226. }
  227. return leaf;
  228. }
  229. self.collapseTree = function () {
  230. self.updateTreeProperty(self.growingTree(), "isExpanded", false);
  231. self.updatePathProperty(self.growingTree(), "/", "isExpanded", true);
  232. self.loadData(self.growingTree());
  233. }
  234. self.collapseOthers = function () {
  235. self.updateTreeProperty(self.growingTree(), "isExpanded", false);
  236. self.updatePathProperty(self.growingTree(), "/", "isExpanded", true);
  237. var _path = self.path();
  238. var _crumb = "";
  239. for (var i = 0; i < _path.length; i++) {
  240. if ((_path[i] === "/" && _crumb != "")) {
  241. self.updatePathProperty(self.growingTree(), _crumb, "isExpanded", true);
  242. }
  243. _crumb += _path[i];
  244. }
  245. self.updatePathProperty(self.growingTree(), _path, "isExpanded", true);
  246. self.loadData(self.growingTree());
  247. }
  248. self.expandTree = function () {
  249. self.updateTreeProperty(self.growingTree(), "isExpanded", true);
  250. self.loadData(self.growingTree());
  251. }
  252. self.refreshTree = function (force) {
  253. self.growingTree(jQuery.extend(true, {}, self.initialGrowingTree));
  254. Object.keys(self.treeAdditionalData).forEach(function (path) {
  255. if (typeof force == "boolean" && force) {
  256. self.fetchPath(path);
  257. } else {
  258. if (self.treeAdditionalData[path].loaded) {
  259. self.fetchPath(path);
  260. }
  261. }
  262. });
  263. }
  264. self.rebuildTree = function (leaf, paths) {
  265. paths.push(leaf.path);
  266. if (leaf.nodes.length > 0) {
  267. leaf.nodes.forEach(function (node) {
  268. if (node.isDir){
  269. self.rebuildTree(node, paths);
  270. }
  271. });
  272. }
  273. return paths;
  274. }
  275. self.setPath = function (obj, toggle) {
  276. if (self.getTreeAdditionalDataForPath(obj.path()).loaded || (! obj.isExpanded() && ! self.getTreeAdditionalDataForPath(obj.path()).loaded)) {
  277. if (typeof toggle == "boolean" && toggle){
  278. obj.isExpanded(!obj.isExpanded());
  279. } else {
  280. obj.isExpanded(false);
  281. }
  282. self.updatePathProperty(self.growingTree(), obj.path(), "isExpanded", obj.isExpanded());
  283. }
  284. else {
  285. obj.isExpanded(false);
  286. self.updatePathProperty(self.growingTree(), obj.path(), "isExpanded", obj.isExpanded());
  287. }
  288. self.path(obj.path());
  289. }
  290. self.togglePath = function (obj) {
  291. self.setPath(obj, true);
  292. }
  293. self.checkPath = function (obj) {
  294. obj.isChecked(!obj.isChecked());
  295. self.updatePathProperty(self.growingTree(), obj.path(), "isChecked", obj.isChecked());
  296. }
  297. self.openPath = function (obj) {
  298. window.open("/filebrowser/view" + obj.path(), '_blank');
  299. }
  300. self.loadParents = function (breadcrumbs) {
  301. if (typeof breadcrumbs != "undefined" && breadcrumbs != null) {
  302. breadcrumbs.forEach(function (crumb, idx) {
  303. if (idx < breadcrumbs.length - 1 && crumb.url != "") {
  304. var _item = {
  305. path: crumb.url,
  306. name: crumb.label,
  307. rwx: "",
  308. isDir: true,
  309. page: {
  310. number: -1,
  311. num_pages: -1
  312. }
  313. }
  314. self.convertItemToObject(_item);
  315. }
  316. });
  317. $(document).trigger("loaded.parents");
  318. }
  319. }
  320. self.fetchPath = function (optionalPath, loadCallback) {
  321. var _path = typeof optionalPath != "undefined" ? optionalPath : self.path();
  322. $.getJSON('/security/api/hdfs/list' + _path, {
  323. 'pagesize': 15,
  324. 'pagenum': self.pagenum(),
  325. 'format': 'json',
  326. 'doas': vm.doAs(),
  327. 'isDiffMode': self.isDiffMode()
  328. },
  329. function (data) {
  330. self.loadParents(data.breadcrumbs);
  331. if (data['files'] && data['files'][0] && data['files'][0]['type'] == 'dir') { // Hack for now
  332. $.each(data.files, function (index, item) {
  333. self.convertItemToObject(item);
  334. });
  335. }
  336. else {
  337. self.convertItemToObject(data);
  338. }
  339. self.getTreeAdditionalDataForPath(_path).loaded = true;
  340. if (data.page != null && data.page.number != null){
  341. self.updatePathProperty(self.growingTree(), _path, "page", data.page);
  342. }
  343. if (typeof loadCallback != "undefined"){
  344. loadCallback(data);
  345. }
  346. else {
  347. self.loadData(self.growingTree());
  348. }
  349. if (typeof optionalPath == "undefined"){
  350. self.getAcls();
  351. }
  352. }).fail(function (xhr, textStatus, errorThrown) {
  353. $(document).trigger("error", xhr.responseText);
  354. });
  355. };
  356. self.loadMore = function (what) {
  357. self.pagenum(what.page().next_page_number());
  358. self.fetchPath(what.path());
  359. self.fromLoadMore = true;
  360. }
  361. self.getAcls = function () {
  362. $(".jHueNotify").hide();
  363. var _isLoading = window.setTimeout(function () {
  364. self.isLoadingAcls(true);
  365. }, 1000);
  366. logGA('get_acls');
  367. $.getJSON('/security/api/hdfs/get_acls', {
  368. 'path': self.path()
  369. }, function (data) {
  370. window.clearTimeout(_isLoading);
  371. if (data != null) {
  372. self.acls.removeAll();
  373. self.originalAcls.removeAll();
  374. $.each(data.entries, function (index, item) {
  375. self.acls.push(parseAcl(item));
  376. self.originalAcls.push(parseAcl(item));
  377. });
  378. self.owner(data.owner);
  379. self.group(data.group);
  380. self.isLoadingAcls(false);
  381. $(document).trigger("loaded.acls");
  382. }
  383. }).fail(function (xhr, textStatus, errorThrown) {
  384. if (xhr.responseText.search('FileNotFoundException') == -1) { // TODO only fetch on existing path
  385. $(document).trigger("error", xhr.responseText);
  386. self.isLoadingAcls(false);
  387. }
  388. });
  389. };
  390. self.updateAcls = function () {
  391. $(".jHueNotify").hide();
  392. logGA('updateAcls');
  393. $.post("/security/api/hdfs/update_acls", {
  394. 'path': self.path(),
  395. 'acls': ko.mapping.toJSON(self.acls()),
  396. 'originalAcls': ko.mapping.toJSON(self.originalAcls())
  397. }, function (data) {
  398. var toDelete = []
  399. $.each(self.acls(), function (index, item) {
  400. if (item.status() == 'deleted') {
  401. toDelete.push(item);
  402. } else {
  403. item.status('');
  404. }
  405. });
  406. $.each(toDelete, function (index, item) {
  407. self.acls.remove(item);
  408. });
  409. $(document).trigger("info", 'Done!');
  410. }
  411. ).fail(function (xhr, textStatus, errorThrown) {
  412. $(document).trigger("error", JSON.parse(xhr.responseText).message);
  413. });
  414. }
  415. }
  416. var HdfsViewModel = function (initial) {
  417. var self = this;
  418. self.assist = new Assist(self, initial);
  419. self.doAs = ko.observable(initial.user);
  420. self.doAs.subscribe(function () {
  421. self.assist.refreshTree();
  422. });
  423. self.availableHadoopUsers = ko.observableArray();
  424. self.availableHadoopGroups = ko.observableArray();
  425. self.selectableHadoopUsers = ko.computed(function() {
  426. var _users = ko.utils.arrayMap(self.availableHadoopUsers(), function(user) {
  427. return user.username;
  428. });
  429. return _users.sort();
  430. }, self);
  431. self.selectableHadoopGroups = ko.computed(function() {
  432. var _users = ko.utils.arrayMap(self.availableHadoopGroups(), function(group) {
  433. return group.name;
  434. });
  435. return _users.sort();
  436. }, self);
  437. self.init = function (path) {
  438. self.fetchUsers();
  439. self.assist.path(path);
  440. $(document).one("loaded.parents", function(){
  441. self.assist.isLoadingTree(true);
  442. var _paths = self.assist.rebuildTree(self.assist.growingTree().nodes[0], []);
  443. _paths.forEach(function(path, cnt){
  444. self.assist.fetchPath(path, function(){
  445. if (cnt == _paths.length -1){
  446. self.assist.fromRebuildTree = true;
  447. self.assist.loadData(self.assist.growingTree());
  448. self.assist.isLoadingTree(false);
  449. }
  450. });
  451. });
  452. });
  453. }
  454. self.fetchUsers = function () {
  455. $.getJSON('/desktop/api/users/autocomplete', {
  456. 'include_myself': true,
  457. 'extend_user': true
  458. }, function (data) {
  459. self.availableHadoopUsers(data.users);
  460. self.availableHadoopGroups(data.groups);
  461. $(document).trigger("loaded.users");
  462. });
  463. }
  464. };
  465. function logGA(page) {
  466. if (typeof trackOnGA == 'function') {
  467. trackOnGA('security/hdfs' + page);
  468. }
  469. }