Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:
Always.

Steps to Reproduce:
1. Make sure you have :

CONFIG_CINDER_BACKEND=nfs
CONFIG_CINDER_NFS_MOUNTS=[fdf8:f53b:82e4::179]:/exports

In you answer file.

2. packstack --debug --answer-file=<with the parameter above>

Actual results:


       The installation log file is available at: /var/tmp/packstack/20150423-194026-QVgX9S/openstack-setup.log
       Parameter CONFIG_CINDER_NFS_MOUNTS failed validation: Given value does not match required regular expression: [fdf8:f53b:82e4::179]:/exports
       
       ERROR : Failed handling answer file: Given value does not match required regular expression: [fdf8:f53b:82e4::179]:/exports
       Please check log file /var/tmp/packstack/20150423-194026-QVgX9S/openstack-setup.log for more information
       

Additional info:

I believe the glusterfs mount point suffer the same problem.  Should I open another bug for it ?