Description of problem:

Getting error code "404 not found" while creating tenant through cfme UI.

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

5.8.1.5

How reproducible:

Always

Steps to Reproduce:

1. Go to -> compute->clouds->providers->configuration->add new cloud provider(RHOS11) ->complete the details and click on validate then add it.

2.Go to -> compute->clouds->tenants->configuration->choose create cloud tenant.

3. Choose cloud provider and specify the tenant name and click on save.

4. You will get error "404 resource not found" as shown in attachment.

Actual results:

It should create tenant.

Expected results:

It is giving an error while creating tenant as :

[----] I, [2017-09-28T06:44:13.525375 #3725:449134]  INFO -- : MIQ(MiqQueue#m_callback) Message id: [1000006610264], Invoking Callback with args: ["Finished", "error", "Expected([200]) <=> Actual(404 Not Found)\nexcon.error.response\n  :body          => \"{\\\"error\\\": {\\\"message\\\": \\\"The resource could not be found.\\\", \\\"code\\\": 404, \\\"title\\\": \\\"Not Found\\\"}}\"\n  :cookies       => [\n  ]\n  :headers       => {\n    \"Connection\"             => \"close\"\n    \"Content-Length\"         => \"93\"\n    \"Content-Type\"           => \"application/json\"\n    \"Date\"                   => \"Thu, 28 Sep 2017 05:14:03 GMT\"\n    \"Server\"                 => \"Apache/2.4.6 (Red Hat Enterprise Linux)\"\n    \"Vary\"                   => \"X-Auth-Token\"\n    \"x-openstack-request-id\" => \"req-278426ec-aebe-43f1-b086-6e76527bc792\"\n  }\n  :host          => \"10.74.129.13\"\n  :local_address => \"10.74.130.198\"\n  :local_port    => 41446\n  :path          => \"/v2.0//v3/tenants\"\n  :port          => 35357\n  :reason_phrase => \"Not Found\"\n  :remote_ip     => \"10.74.129.13\"\n  :status        => 404\n  :status_line   => \"HTTP/1.1 404 Not Found\\r\\n\"\n", "nil"]
  :path          => "/v2.0//v3/tenants"
[----] E, [2017-09-28T06:44:13.777779 #4011:91d048] ERROR -- : MIQ(cloud_tenant_controller-wait_for_task): Unable to create Cloud Tenant "t5": Expected([200]) <=> Actual(404 Not Found)
  :path          => "/v2.0//v3/tenants"


Additional Info: 

There is one workaround for this issue as : 

1. Go to -> compute->clouds->providers->select the provider->configuration->edit selected cloud provider

2. Select the API Version "keystone V3".

3. Mention the keystone V3 domain ID. In order to get the domain ID, ssh to openstack provider appliance and do #openstack domain list.

4. Validate and save.

5. Add the tenant and you will able to add the tenant successfully.