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From Allan Yan <hailun...@gmail.com>
Subject Re: How to start up datanode with kerberos?
Date Wed, 06 Jun 2012 02:08:55 GMT
Did you start datanode with root? This is for binding privileged ports
(<1024).


On Sun, May 13, 2012 at 6:23 AM, shixing <paradisehit@gmail.com> wrote:

> I downloaded the sbin rpm package, and just fine there are 2 program:
>
> jsvc and task-controller, and I also run command replcat java to jsvc.
>
> Maybe I use the jsvc wrongly? And there are special settings in cdh's
> hadoop package for jsvc?
>
> On Fri, May 11, 2012 at 1:57 PM, Harsh J <harsh@cloudera.com> wrote:
>
> > (For the CDH question, am moving this to cdh-user@cloudera.org lists,
> > bcc'd hdfs-user@apache)
> >
> > As the message goes, you're missing the sbin package in your cdh3u3
> > install at least. I have secured DN working just fine here after
> > following https://ccp.cloudera.com/display/CDHDOC/CDH3+Security+Guide
> >
> > On Thu, May 10, 2012 at 8:20 PM, shixing <paradisehit@gmail.com> wrote:
> > > Hi,all:
> > >     Now I want to setup the security with hbase by kerberos.
> > >     As I know, the hbase's ugi is based on the hadoop
> > UserGroupInformation
> > > without parameter "hadoop.job.ugi" after 0.20.2. So when I use the
> > cdh3u3,
> > > the ugi can be generated by two authentication : simple or kerberos.
> > >     Firstly I should setup the hdfs based on kerberos. After I setup
> KDC,
> > > and configuration account for kerberos, I can't start datanode for this
> > > message:
> > >
> > >     12/05/10 22:41:10 INFO security.UserGroupInformation: Login
> > successful
> > > for user shubao.sx/dwbasis130001.sqa.cm4.tbsite.net@TBSITE.NET using
> > keytab
> > > file /home/shubao.sx/hadoop-0.20.2-cdh3u3/conf/kadm5.keytab
> > > 12/05/10 22:41:10 ERROR datanode.DataNode: java.lang.RuntimeException:
> > > Cannot start secure cluster without privileged resources. In a secure
> > > cluster, the DataNode must be started from within jsvc. If using
> Cloudera
> > > packages, please install the hadoop-0.20-sbin package.
> > >
> > > For development purposes ONLY you may override this check by setting
> > > dfs.datanode.require.secure.ports to false. *** THIS WILL OPEN A
> SECURITY
> > > HOLE AND MUST NOT BE USED FOR A REAL CLUSTER ***.
> > >         at
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:331)
> > >         at
> > >
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:305)
> > >         at
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1606)
> > >         at
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1546)
> > >         at
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1564)
> > >         at
> > >
> >
> org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1690)
> > >         at
> > >
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1707)
> > >
> > > And I install the jsvc command to start the datanode as followed(May be
> > it
> > > is wrong?), there is no log or error:
> > >     /home/shubao.sx/commons-daemon-1.0.10/jsvc -Dproc_datanode
> -Xmx1000m
> > > -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote
> > > -Dhadoop.log.dir=/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../logs
> > > -Dhadoop.log.file=hadoop.log
> > > -Dhadoop.home.dir=/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/..
> > > -Dhadoop.id.str=shubao.sx -Dhadoop.root.logger=INFO,console
> > >
> >
> -Djava.library.path=/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/native/Linux-amd64-64
> > > -Dhadoop.policy.file=hadoop-policy.xml -classpath
> > >
> >
> /home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../conf:/home/shubao.sx/java6_64/lib/tools.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../hadoop-core-0.20.2-cdh3u3.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/ant-contrib-1.0b3.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/aspectjrt-1.6.5.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/aspectjtools-1.6.5.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-cli-1.2.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-codec-1.4.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-daemon-1.0.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-el-1.0.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-httpclient-3.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-lang-2.4.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-logging-1.0.4.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-logging-api-1.0.4.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/commons-net-1.4.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/core-3.1.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/guava-r09-jarjar.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/hadoop-fairscheduler-0.20.2-cdh3u3.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/hsqldb-1.8.0.10.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jackson-core-asl-1.5.2.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jackson-mapper-asl-1.5.2.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jasper-compiler-5.5.12.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jasper-runtime-5.5.12.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jets3t-0.6.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jetty-6.1.26.cloudera.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jetty-servlet-tester-6.1.26.cloudera.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jetty-util-6.1.26.cloudera.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jsch-0.1.42.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/junit-4.5.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/kfs-0.2.2.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/log4j-1.2.15.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/mockito-all-1.8.2.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/oro-2.0.8.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/servlet-api-2.5-20081211.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/servlet-api-2.5-6.1.14.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/slf4j-api-1.4.3.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/slf4j-log4j12-1.4.3.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/xmlenc-0.52.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jsp-2.1/jsp-2.1.jar:/home/shubao.sx/hadoop-0.20.2-cdh3u3/bin/../lib/jsp-2.1/jsp-api-2.1.jar:/home/shubao.sx/commons-daemon-1.0.10/commons-daemon-1.0.10.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/conf:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/hbase-0.90.2.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/hbase-0.90.2-test.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/lib/zookeeper-3.3.3.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/lib/guava-r06.jar:/home/shubao.sx/commons-daemon-1.0.10/commons-daemon-1.0.10.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/conf:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/hbase-0.90.2.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/hbase-0.90.2-test.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/lib/zookeeper-3.3.3.jar:/home/shubao.s/hbase-0.90.2-taobao-1.0RC5/lib/guava-r06.jar:
> > > org.apache.hadoop.hdfs.server.datanode.DataNode
> > >
> > >
> > > And I see the source code both cdh3u3 and hadoop-1.0.0, that the
> > DataNode's
> > > main() function:
> > >    public static void main(String args[]) {
> > >     secureMain(args, null);
> > >   }
> > >   Here the SecureResources is null, and there is such code:
> > >     void startDataNode(Configuration conf,
> > >                      AbstractList<File> dataDirs, SecureResources
> > resources
> > >                      ) throws IOException {
> > >     if(UserGroupInformation.isSecurityEnabled() && resources == null)
> > >       throw new RuntimeException("Cannot start secure cluster without
> " +
> > >                 "privileged resources.");
> > >     .........
> > >
> > >     The resources is always null, and if we setup security by kerberos,
> > it
> > > will always  throw new RuntimeException
> > >
> > >     Am I missing something?
> > > --
> > > Best wishes!
> > > My Friend~
> >
> >
> >
> > --
> > Harsh J
> >
>
>
>
> --
> Best wishes!
> My Friend~
>

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