Open Stack

Hi guys,

I am setting up the keytone v3 api. Now I meet a issue about the
`cloud_admin` policy.

Base on the
http://www.florentflament.com/blog/setting-keystone-v3-domains.html
article, I modify the cloud_admin policy to

```
"cloud_admin": "rule:admin_required and
domain_id:ef0d30167f744401a0cbfcc938ea7d63",
```

But the cloud_admin don't work as expected. I failed to open all the
identity panel ( like http://<host>/horizon/identity/domains/)
Horizon tell me" Error: Unable to retrieve project list."
And keystone log warning:

```
2015-03-09 16:00:06.423 9415 DEBUG keystone.policy.backends.rules [-]
enforce identity:list_user_projects: {'is_delegated_auth': False,
'access_token_id': None, 'user_id': u'6433222efd78459bb70ad9adbcfac418',
'roles': [u'_member_', u'admin'], 'trustee_id': None, 'trustor_id': None,
'consumer_id': None, 'token': <KeystoneToken
(audit_id=DWsSa6yYSWi0ht9E7q4uhw, audit_chain_id=w_zLBBeFQ82KevtJrdKIJw) at
0x7f4503fab3c8>, 'project_id': u'4d170baaa89b4e46b239249eb5ec6b00',
'trust_id': None}, enforce
/usr/lib/python2.7/dist-packages/keystone/policy/backends/rules.py:100
2015-03-09 16:00:06.061 9410 WARNING keystone.common.wsgi [-] You are not
authorized to perform the requested action: identity:list_projects (Disable
debug mode to suppress these details.)
```

​I make some debug and found that, the root cause is that the `context`
variable in keystone has no `domain_id` field( like the above keystone
log). So the `cloud_admin` rule failed.​ if i change the `cloud_admin` to
following. It works as expected.

```
"cloud_admin": "rule:admin_required and user_id:
6433222efd78459bb70ad9adbcfac418",
```

I found that in the keystone code[0], the domain_id only exist when it is a
domain scope. But i believe that the horizon login token is a project one(
I am not very sure this)

```
    if token.project_scoped:
        auth_context['project_id'] = token.project_id
    elif token.domain_scoped:
        auth_context['domain_id'] = token.domain_id
    else:
        LOG.debug('RBAC: Proceeding without project or domain scope')

```

Is it a bug? or some wrong configuration?


Following is my configuration.


```
# /etc/keystone/keystone.conf
[DEFAULT]
debug=true
verbose=true
log_dir=/var/log/keystone
[assignment]
driver = keystone.assignment.backends.sql.Assignment
[database]
connection=mysql://xxxx:xxxx@controller/keystone
[identity]
driver=keystone.identity.backends.sql.Identity
[memcache]
servers=controller1:11211,controller2:11211,controller3:1121
[token]
provider=keystone.token.providers.uuid.Provider
```

```
# /etc/openstack-dashboard/local_settings.py ( partly )
POLICY_FILES_PATH = "/etc/openstack-dashboard/"
POLICY_FILES = {
    'identity': 'keystone_policy.json',
}
OPENSTACK_HOST = "127.0.0.1"
OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "_member_"
OPENSTACK_API_VERSIONS = {
     "data_processing": 1.1,
     "identity": 3,
     "volume": 2
}
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'admin'
```

​[0]
https://github.com/openstack/keystone/blob/master/keystone/common/authorization.py#L58
​

-- 
Lei Zhang
Blog: http://xcodest.me
twitter/weibo: @jeffrey4l
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