Description of configuration options for auth

Configuration option = Default value	Description
[DEFAULT]
auth_strategy = keystone	(StrOpt) The strategy to use for auth: noauth or keystone.
[service_credentials]
insecure = False	(BoolOpt) Disables X.509 certificate validation when an SSL connection to Identity Service is established.
os-auth-url = http://localhost:5000/v2.0	(StrOpt) Auth URL to use for OpenStack service access.
os-cacert = None	(StrOpt) Certificate chain for SSL validation.
os-endpoint-type = publicURL	(StrOpt) Type of endpoint in Identity service catalog to use for communication with OpenStack services.
os-password = admin	(StrOpt) Password to use for OpenStack service access.
os-region-name = None	(StrOpt) Region name to use for OpenStack service endpoints.
os-tenant-id =	(StrOpt) Tenant ID to use for OpenStack service access.
os-tenant-name = admin	(StrOpt) Tenant name to use for OpenStack service access.
os-username = ceilometer	(StrOpt) User name to use for OpenStack service access.