Description of problem:

I installed an ipsilon IdP server with --ipa=no.  Now, I'm trying to uninstall
and I'm seeing an error:

[root@rhel7-2 ~]# ipsilon-server-install --uninstall
Uninstallation initiated
Are you certain you want to erase instance idp [yes/NO]: yes
Removing environment helpers
Removing login managers
Removing Info providers
'domains'
Traceback (most recent call last):
  File "/usr/sbin/ipsilon-server-install", line 438, in <module>
    uninstall(fplugins, opts)
  File "/usr/sbin/ipsilon-server-install", line 274, in uninstall
    if plugin.unconfigure(args, plugin_changes) == False:
  File "/usr/lib/python2.7/site-packages/ipsilon/info/infosssd.py", line 253,
in unconfigure
    for domain in changes['domains']:
KeyError: 'domains'
Uninstallation aborted.
See log file /var/log/ipsilon-install.log for details
[root@rhel7-2 ~]#


Version-Release number of selected component (if applicable):
ipsilon-1.0.0-12.el7.noarch

How reproducible:
always

Steps to Reproduce:
1.  ipsilon-server-install --ipa=no --form=yes
2.  ipsilon-server-install --uninstall

Actual results:
fails as above

Expected results:
uninstalls IDP instance

Additional info:

ipsilon-install.log:
[2015-10-22 14:07:52,510] Installation arguments:
[2015-10-22 14:07:52,510] admin_dburi: None
[2015-10-22 14:07:52,510] admin_user: admin
[2015-10-22 14:07:52,510] cleanup_interval: 30
[2015-10-22 14:07:52,510] config_profile: None
[2015-10-22 14:07:52,510] database_url: sqlite:///%(datadir)s/%(dbname)s.sqlite
[2015-10-22 14:07:52,510] form: no
[2015-10-22 14:07:52,510] form_service: remote
[2015-10-22 14:07:52,510] gssapi: no
[2015-10-22 14:07:52,510] gssapi_httpd_keytab: /etc/httpd/conf/http.keytab
[2015-10-22 14:07:52,510] hostname: rhel7-2.example.com
[2015-10-22 14:07:52,510] info_nss: no
[2015-10-22 14:07:52,510] info_sssd: no
[2015-10-22 14:07:52,510] info_sssd_domain: None
[2015-10-22 14:07:52,510] instance: idp
[2015-10-22 14:07:52,510] ipa: auto
[2015-10-22 14:07:52,510] lm_order: None
[2015-10-22 14:07:52,510] saml2: yes
[2015-10-22 14:07:52,511] saml2_metadata_validity: 1825
[2015-10-22 14:07:52,511] saml2_session_dburl: None
[2015-10-22 14:07:52,511] samlsessions_dburi: None
[2015-10-22 14:07:52,511] secure: yes
[2015-10-22 14:07:52,511] server_debugging: False
[2015-10-22 14:07:52,511] system_user: ipsilon
[2015-10-22 14:07:52,511] testauth: no
[2015-10-22 14:07:52,511] transaction_dburi: None
[2015-10-22 14:07:52,511] uninstall: True
[2015-10-22 14:07:52,511] users_dburi: None
[2015-10-22 14:07:52,511] yes: False
[2015-10-22 14:07:52,511] Uninstallation initiated
[2015-10-22 14:07:53,997] Removing environment helpers
[2015-10-22 14:07:53,997] Removing login managers
[2015-10-22 14:07:53,997] Removing Info providers
[2015-10-22 14:07:54,003] 'domains'
Traceback (most recent call last):
  File "/usr/sbin/ipsilon-server-install", line 438, in <module>
    uninstall(fplugins, opts)
  File "/usr/sbin/ipsilon-server-install", line 274, in uninstall
    if plugin.unconfigure(args, plugin_changes) == False:
  File "/usr/lib/python2.7/site-packages/ipsilon/info/infosssd.py", line 253,
in unconfigure
    for domain in changes['domains']:
KeyError: 'domains'
[2015-10-22 14:07:54,003] Uninstallation aborted.
[2015-10-22 14:07:54,003] See log file /var/log/ipsilon-install.log for details