root@controller:~# apt-get install keystone
Reading package lists... Done
Building dependency tree       
Reading state information... Done
keystone is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? Y
Setting up keystone (1:2013.2.3-0ubuntu1~cloud0) ...
Traceback (most recent call last):
  File "/usr/bin/keystone-manage", line 51, in <module>
    cli.main(argv=sys.argv, config_files=config_files)
  File "/usr/lib/python2.7/dist-packages/keystone/cli.py", line 217, in main
    default_config_files=config_files)
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1632, in __call__
    else sys.argv[1:])
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 2133, in _parse_cli_opts
    return self._parse_config_files()
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 2147, in _parse_config_files
    ConfigParser._parse_file(config_file, namespace)
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1252, in _parse_file
    raise ConfigFileParseError(pe.filename, str(pe))
oslo.config.cfg.ConfigFileParseError: Failed to parse /etc/keystone/keystone.conf: at /etc/keystone/keystone.conf:3, Unexpected continuation line: ' admin_token = 123456'
dpkg: error processing keystone (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 keystone
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@controller:~# vim /etc/keystone/keystone.conf 
root@controller:~# apt-get install keystone
Reading package lists... Done
Building dependency tree       
Reading state information... Done
keystone is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? Y
Setting up keystone (1:2013.2.3-0ubuntu1~cloud0) ...
keystone start/running, process 1490
root@controller:~# vim /etc/keystone/keystone.conf 
root@controller:~# export SERVICE_ENDPOINT=http://controller:35357/v2.0
root@controller:~# export SERVICE_TOKEN=123456
root@controller:~# service keystone status
keystone start/running, process 1490
root@controller:~# keystone tenant-create --name=admin --description="Admin Tenant"
Invalid OpenStack Identity credentials.
root@controller:~# service keystone stop
keystone stop/waiting
root@controller:~# service keystone start
keystone start/running, process 1516
root@controller:~# keystone tenant-create --name=admin --description="Admin Tenant"
+-------------+----------------------------------+
|   Property  |              Value               |
+-------------+----------------------------------+
| description |           Admin Tenant           |
|   enabled   |               True               |
|      id     | 6f0a2e25312448959faae2170a49c145 |
|     name    |              admin               |
+-------------+----------------------------------+