Description of problem:


Version-Release number of selected component (if applicable):
ipa-server-2.2.0-16.el6.x86_64

How reproducible:
Always

Steps to Reproduce:
1. /usr/sbin/ipa-server-install --external_cert_file=/root/ipa-ca/ipa.crt --external_ca_file=/root/ipa-ca/ipacacert.asc -p Secret123 -U -a Secret123 -r TESTRELM.COM -P Secret123
  

Actual results:
[root@qe-blade-06 ipa-external-ca]# /usr/sbin/ipa-server-install --external_cert_file=/root/ipa-ca/ipa.crt --external_ca_file=/root/ipa-ca/ipacacert.asc -p Secret123 -U -a Secret123 -r TESTRELM.COM 

The log file for this installation can be found in /var/log/ipaserver-install.log
Unexpected error - see ipaserver-install.log for details:
 must be str,unicode,tuple, or RDN, got NoneType instead
[root@qe-blade-06 ipa-external-ca]# 


Expected results: Installation should be successful.


Additional info:
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
2012-05-31T09:36:04Z DEBUG Loading Index file from '/var/lib/ipa-client/sysrestore/sysrestore.index'
2012-05-31T09:36:04Z DEBUG /usr/sbin/ipa-server-install was invoked with options: {'zone_refresh': 30, 'reverse_zone': None, 'realm_name': None, 'create_sshfp': True, 'conf_sshd': False, 'conf_ntp': True, 'subject': None, 'no_forwarders': False, 'ui_redirect': True, 'domain_name': None, 'idmax': 0, 'hbac_allow': False, 'no_reverse': False, 'dirsrv_pkcs12': None, 'unattended': False, 'selfsign': False, 'trust_sshfp': False, 'external_ca_file': '/root/ipa-ca/ipacacert.asc', 'no_host_dns': False, 'http_pkcs12': None, 'forwarders': None, 'idstart': 1463800000, 'external_ca': False, 'ip_address': None, 'conf_ssh': False, 'zonemgr': None, 'setup_dns': False, 'host_name': None, 'debug': False, 'external_cert_file': '/root/ipa-ca/ipa.crt', 'uninstall': False}
2012-05-31T09:36:04Z DEBUG missing options might be asked for interactively later

2012-05-31T09:36:04Z DEBUG Loading Index file from '/var/lib/ipa/sysrestore/sysrestore.index'
2012-05-31T09:36:04Z DEBUG Loading StateFile from '/var/lib/ipa/sysrestore/sysrestore.state'
2012-05-31T09:36:04Z DEBUG Loading StateFile from '/var/lib/ipa/sysrestore/sysrestore.state'
2012-05-31T09:36:04Z DEBUG must be str,unicode,tuple, or RDN, got NoneType instead
  File "/usr/sbin/ipa-server-install", line 1091, in <module>
    rval = main()

  File "/usr/sbin/ipa-server-install", line 607, in main
    wantsubject = unicode(DN(('CN','Certificate Authority'), options.subject))

  File "/usr/lib/python2.6/site-packages/ipalib/dn.py", line 1064, in __init__
    self.rdns = self._rdns_from_sequence(args)

  File "/usr/lib/python2.6/site-packages/ipalib/dn.py", line 1106, in _rdns_from_sequence
    rdn = self._rdn_from_value(item)

  File "/usr/lib/python2.6/site-packages/ipalib/dn.py", line 1100, in _rdn_from_value
    value.__class__.__name__)

2012-05-31T09:36:04Z DEBUG Restoring system configuration file '/etc/hosts'
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#



#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
Work-around is to pass --subject "O=TESTRELM.COM" to command in step 1.

[root@qe-blade-06 ipa-external-ca]# /usr/sbin/ipa-server-install --external_cert_file=/root/ipa-ca/ipa.crt --external_ca_file=/root/ipa-ca/ipacacert.asc -p Secret123 -U -a Secret123 -r TESTRELM.COM  --subject "O=TESTRELM.COM"

The log file for this installation can be found in /var/log/ipaserver-install.log
==============================================================================
This program will set up the IPA Server.

This includes:
  * Configure a stand-alone CA (dogtag) for certificate management
  * Configure the Network Time Daemon (ntpd)
  * Create and configure an instance of Directory Server
  * Create and configure a Kerberos Key Distribution Center (KDC)
  * Configure Apache (httpd)

To accept the default shown in brackets, press the Enter key.

Warning: Hostname (qe-blade-06.testrelm.com) not found in DNS
The domain name has been calculated based on the host name.


The IPA Master Server will be configured with:
...
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#