install hook fails on LXC containers without FQDN

[Charles Butler]

When executing the README examples, both Combined HDFS and MapReduce, Separate HDFS and MapReduce deployment schemas fail the installation hook on all nodes with the following output:

This may be specific to my LXC installation, as my LXC Containers are not generated with FQD hostnames.

(note: hooks/install were modified to set -ex from set -e for the output)

hdfs-datacluster/0:install % hooks/install
+ MAPRED_CONFIG='mapred_reduce_parallel_copies
mapred_child_java_opts
io_sort_factor
io_sort_mb
mapred_job_tracker_handler_count
tasktracker_http_threads'
+ CONFIG_FILES='/etc/hadoop/conf.juju/hdfs-site.xml
/etc/hadoop/conf.juju/core-site.xml
/etc/hadoop/conf.juju/mapred-site.xml
/etc/hadoop/conf.juju/hadoop-env.sh
/etc/hadoop/conf.juju/hadoop-metrics2.properties'
++ resolve_hdfs_role
++ role=unconfigured
++ '[' -d /usr/share/doc/hadoop-namenode ']'
++ :
++ '[' -d /usr/share/doc/hadoop-secondarynamenode ']'
++ :
++ '[' -d /usr/share/doc/hadoop-datanode ']'
++ :
++ echo unconfigured
+ hdfs_role=unconfigured
++ resolve_mapred_role
++ role=unconfigured
++ '[' -d /usr/share/doc/hadoop-jobtracker ']'
++ :
++ '[' -d /usr/share/doc/hadoop-tasktracker ']'
++ :
++ echo unconfigured
+ mapred_role=unconfigured
++ basename hooks/install
+ COMMAND=install
+ case $COMMAND in
+ configure_hosts
++ unit-get private-address
+ private_address=10.0.5.123
++ hostname
+ hostname=charles-local-machine-2
+ grep -q '^127.0.0.1.*charles-local-machine-2' /etc/hosts
++ hostname -f
hostname: Name or service not known
+ hostname=