Hue Notebook on a Kerberised Cluster

[Theo]

Hi there,

I am running Hue 3.11 (Cloudera 5.10) and trying to get Hue Notebook working with a Kerberised cluster. I got this working fine in Quickstart by installing Livy Server and adding the following in Hue Service Advanced Configuration Snippet (Safety Valve) for hue_safety_valve.ini:

[desktop]
app_blacklist=

[notebook]
show_notebooks=true

[spark]

server_url=http://quickstart.cloudera:8998

# Configure Livy to start in local 'process' mode, or 'yarn' workers.
livy_server_session_kind = yarn

# Additional Settings for Livy server, Server url might be redundant
livy_impersonation_enabled=false
livy_server_session_timeout = 3600000

languages='[{"name": "Scala", "type": "scala"},{"name": "Python", "type": "python"},{"name": "Impala SQL", "type": "impala"},{"name": "Hive SQL", "type": "hive"},{"name": "Text", "type": "text"}]'


Livy was installed with the below environment variables set

export JAVA_HOME=/usr/java/jdk1.7.0_67-cloudera

export HUE_SECRET_KEY=cloudera

export HADOOP_CONF_DIR=/etc/hadoop/conf

export SPARK_HOME=/usr/lib/spark

This works ok for a cluster that does not have Kerberos enabled but I get errors when trying to do this same in a cluster that has Kerberos. I have tried various things but cannot find any pointers online that seem to work. Is anyone able to help by letting me know exactly what I would need to change in Livy and in Hue to make Hue Notebook work when the cluster has Kerberos enabled? 

[Romain Rigaux]

You probably need https://issues.cloudera.org/browse/HUE-5994 (or upcoming CDH5.12)

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