Zsolt Venczel created HDFS-13697:
------------------------------------
Summary: EDEK decrypt fails due to proxy user being lost because
of empty AccessControllerContext
Key: HDFS-13697
URL: https://issues.apache.org/jira/browse/HDFS-13697
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Zsolt Venczel
Assignee: Zsolt Venczel
While calling KeyProviderCryptoExtension decryptEncryptedKey the call stack
might not have doAs privileged execution call (in the DFSClient for example).
This results in loosing the proxy user from UGI as UGI.getCurrentUser finds no
AccessControllerContext and does a re-login for the login user only.
This can cause the following for example: if we have set up the oozie user to
be entitled to perform actions on behalf of example_user but oozie is forbidden
to decrypt any EDEK (for security reasons), due to the above issue,
example_user entitlements are lost from UGI and the following error is reported:
{code}
[0]
SERVER[xxx] USER[example_user] GROUP[-] TOKEN[] APP[Test_EAR]
JOB[0020905-180313191552532-oozie-oozi-W]
ACTION[0020905-180313191552532-oozie-oozi-W@polling_dir_path] Error starting
action [polling_dir_path]. ErrorType [ERROR], ErrorCode [FS014], Message
[FS014: User [oozie] is not authorized to perform [DECRYPT_EEK] on key with ACL
name [encrypted_key]!!]
org.apache.oozie.action.ActionExecutorException: FS014: User [oozie] is not
authorized to perform [DECRYPT_EEK] on key with ACL name [encrypted_key]!!
at
org.apache.oozie.action.ActionExecutor.convertExceptionHelper(ActionExecutor.java:463)
at
org.apache.oozie.action.ActionExecutor.convertException(ActionExecutor.java:441)
at
org.apache.oozie.action.hadoop.FsActionExecutor.touchz(FsActionExecutor.java:523)
at
org.apache.oozie.action.hadoop.FsActionExecutor.doOperations(FsActionExecutor.java:199)
at
org.apache.oozie.action.hadoop.FsActionExecutor.start(FsActionExecutor.java:563)
at
org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:232)
at
org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:63)
at org.apache.oozie.command.XCommand.call(XCommand.java:286)
at
org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:332)
at
org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:261)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:179)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.hadoop.security.authorize.AuthorizationException: User
[oozie] is not authorized to perform [DECRYPT_EEK] on key with ACL name
[encrypted_key]!!
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.util.HttpExceptionUtils.validateResponse(HttpExceptionUtils.java:157)
at
org.apache.hadoop.crypto.key.kms.KMSClientProvider.call(KMSClientProvider.java:607)
at
org.apache.hadoop.crypto.key.kms.KMSClientProvider.call(KMSClientProvider.java:565)
at
org.apache.hadoop.crypto.key.kms.KMSClientProvider.decryptEncryptedKey(KMSClientProvider.java:832)
at
org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider$5.call(LoadBalancingKMSClientProvider.java:209)
at
org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider$5.call(LoadBalancingKMSClientProvider.java:205)
at
org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider.doOp(LoadBalancingKMSClientProvider.java:94)
at
org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider.decryptEncryptedKey(LoadBalancingKMSClientProvider.java:205)
at
org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension.java:388)
at
org.apache.hadoop.hdfs.DFSClient.decryptEncryptedDataEncryptionKey(DFSClient.java:1440)
at
org.apache.hadoop.hdfs.DFSClient.createWrappedOutputStream(DFSClient.java:1542)
at
org.apache.hadoop.hdfs.DFSClient.createWrappedOutputStream(DFSClient.java:1527)
at
org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:408)
at
org.apache.hadoop.hdfs.DistributedFileSystem$6.doCall(DistributedFileSystem.java:401)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:401)
at
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:344)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:923)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:904)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:801)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:790)
at
org.apache.oozie.action.hadoop.FsActionExecutor.touchz(FsActionExecutor.java:519){code}
The operation should have succeeded as [example_user] is the owner of the
[encrypted_key]
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