Description of HDFS Share Driver configuration options

Configuration option = Default value	Description
[DEFAULT]
hdfs_namenode_ip = None	(StrOpt) The IP of the HDFS namenode.
hdfs_namenode_port = 9000	(IntOpt) The port of HDFS namenode service.
hdfs_ssh_name = None	(StrOpt) HDFS namenode ssh login name.
hdfs_ssh_port = 22	(IntOpt) HDFS namenode SSH port.
hdfs_ssh_private_key = None	(StrOpt) Path to HDFS namenode SSH private key for login.
hdfs_ssh_pw = None	(StrOpt) HDFS namenode SSH login password, This parameter is not necessary, if 'hdfs_ssh_private_key' is configured.