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https://issues.apache.org/jira/browse/IGNITE-2195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091557#comment-15091557
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Denis Magda edited comment on IGNITE-2195 at 1/11/16 7:45 AM:
--------------------------------------------------------------
Attached an implementation of {{HadoopFileSystemFactory}} for a kerberised
environment. The implementation was already tested in production. Lets
contribute it to Apache Ignite.
was (Author: dmagda):
Attached an implementation of {{HadoopFileSystemFactory}} for a kerberised
environment. The implementation was already tested in production.
> Accessing from IGFS to HDFS that is in kerberised environment
> -------------------------------------------------------------
>
> Key: IGNITE-2195
> URL: https://issues.apache.org/jira/browse/IGNITE-2195
> Project: Ignite
> Issue Type: Bug
> Components: hadoop, IGFS
> Affects Versions: ignite-1.4
> Reporter: Denis Magda
> Assignee: Ivan Veselovsky
> Priority: Critical
> Labels: important
> Fix For: 1.6
>
> Attachments: kerbersized_hadoop_fs_factory.zip
>
>
> There is some issue in the current IGFS implementation that doesn't take into
> account some Kerberos user related settings which leads to the exception
> below when there is an attempt to work with Kerberised cluster
> {noformat}
> Connecting to HDFS with the following settings [uri=null, cfg=all-site.xml,
> userName=null]
> log4j:WARN No appenders could be found for logger
> (org.apache.hadoop.metrics2.lib.MutableMetricsFactory).
> log4j:WARN Please initialize the log4j system properly.
> log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more
> info.
> org.apache.hadoop.security.AccessControlException: SIMPLE authentication is
> not enabled. Available:[TOKEN, KERBEROS]
> 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.ipc.RemoteException.instantiateException(RemoteException.java:106)
> at
> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
> at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:2096)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:944)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:927)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:872)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:868)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.listLocatedStatus(DistributedFileSystem.java:868)
> at org.apache.hadoop.fs.FileSystem.listLocatedStatus(FileSystem.java:1694)
> at org.apache.hadoop.fs.FileSystem$6.<init>(FileSystem.java:1786)
> at org.apache.hadoop.fs.FileSystem.listFiles(FileSystem.java:1783)
> at com.ig.HadoopFsIssue.main(HadoopFsIssue.java:35)
> Caused by:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException):
> SIMPLE authentication is not enabled. Available:[TOKEN, KERBEROS]
> at org.apache.hadoop.ipc.Client.call(Client.java:1427)
> at org.apache.hadoop.ipc.Client.call(Client.java:1358)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
> at com.sun.proxy.$Proxy7.getListing(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getListing(ClientNamenodeProtocolTranslatorPB.java:573)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy8.getListing(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.listPaths(DFSClient.java:2094)
> {noformat}
> The issue is fixed in the following way. Need to revisit the fix and check
> whether it can lead to some other consequences.
> {noformat}
> /**
> * @return {@link org.apache.hadoop.fs.FileSystem} instance for this
> secondary Fs.
> * @throws IOException
> */
> public FileSystem createFileSystem(String userName) throws IOException {
> userName = IgfsUtils.fixUserName(userName);
> UserGroupInformation.setConfiguration(cfg);
> UserGroupInformation ugi = UserGroupInformation.createProxyUser(userName,
> UserGroupInformation.getCurrentUser());
> try {
> return ugi.doAs(new PrivilegedExceptionAction<FileSystem>() {
> @Override
> public FileSystem run() throws Exception {
> return FileSystem.get(uri, cfg);
> }
> });
> } catch (InterruptedException e) {
> Thread.currentThread().interrupt();
> throw new IOException("Failed to create file system due to
> interrupt.", e);
> }
> }
> {noformat}
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