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Posted to hdfs-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2017/09/18 22:45:00 UTC
[jira] [Updated] (HDFS-12485) expunge may not remove trash from
encryption zone
[ https://issues.apache.org/jira/browse/HDFS-12485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wei-Chiu Chuang updated HDFS-12485:
-----------------------------------
Summary: expunge may not remove trash from encryption zone (was: expunge may not remove trash from non-home directory encryption zone)
> expunge may not remove trash from encryption zone
> -------------------------------------------------
>
> Key: HDFS-12485
> URL: https://issues.apache.org/jira/browse/HDFS-12485
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.8.0, 3.0.0-alpha1
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
>
> If I log into Linux as root, and then login as the superuser hdfs@EXAMPLE.COM
> {noformat}
> [root@nightly511-1 ~]# hdfs dfs -rm /scale/b
> 17/09/18 15:21:32 INFO fs.TrashPolicyDefault: Moved: 'hdfs://ns1/scale/b' to trash at: hdfs://ns1/scale/.Trash/hdfs/Current/scale/b
> [root@nightly511-1 ~]# hdfs dfs -expunge
> 17/09/18 15:21:59 INFO fs.TrashPolicyDefault: TrashPolicyDefault#deleteCheckpoint for trashRoot: hdfs://ns1/user/hdfs/.Trash
> 17/09/18 15:21:59 INFO fs.TrashPolicyDefault: TrashPolicyDefault#deleteCheckpoint for trashRoot: hdfs://ns1/user/hdfs/.Trash
> 17/09/18 15:21:59 INFO fs.TrashPolicyDefault: Deleted trash checkpoint: /user/hdfs/.Trash/170918143916
> 17/09/18 15:21:59 INFO fs.TrashPolicyDefault: TrashPolicyDefault#createCheckpoint for trashRoot: hdfs://ns1/user/hdfs/.Trash
> [root@nightly511-1 ~]# hdfs dfs -ls hdfs://ns1/scale/.Trash/hdfs/Current/scale/b
> -rw-r--r-- 3 hdfs systest 0 2017-09-18 15:21 hdfs://ns1/scale/.Trash/hdfs/Current/scale/b
> {noformat}
> expunge does not remove trash under /scale, because it does not know I am 'hdfs' user.
> {code:title=DistributedFileSystem#getTrashRoots}
> Path ezTrashRoot = new Path(it.next().getPath(),
> FileSystem.TRASH_PREFIX);
> if (!exists(ezTrashRoot)) {
> continue;
> }
> if (allUsers) {
> for (FileStatus candidate : listStatus(ezTrashRoot)) {
> if (exists(candidate.getPath())) {
> ret.add(candidate);
> }
> }
> } else {
> Path userTrash = new Path(ezTrashRoot, System.getProperty(
> "user.name")); --> bug
> try {
> ret.add(getFileStatus(userTrash));
> } catch (FileNotFoundException ignored) {
> }
> }
> {code}
> It should use UGI for user name, rather than system login user name.
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