Move api_paste_config option into nova.wsgi

The api_paste_config option is only used in nova.wsgi so we can
have it be registered there too.

blueprint: scope-config-opts
Change-Id: I438102b2524bd96faf8392f3ba600235ce7116a4

nova/config.py

@@ -43,9 +43,6 @@ def _get_my_ip():
 
 
 core_opts = [
-    cfg.StrOpt('api_paste_config',
-               default="api-paste.ini",
-               help='File name for the paste.deploy config for nova-api'),
     cfg.StrOpt('pybasedir',
                default=os.path.abspath(os.path.join(os.path.dirname(__file__),
                                                     '../')),

nova/tests/conf_fixture.py

@@ -29,6 +29,7 @@ CONF.import_opt('network_size', 'nova.network.manager')
 CONF.import_opt('num_networks', 'nova.network.manager')
 CONF.import_opt('policy_file', 'nova.policy')
 CONF.import_opt('compute_driver', 'nova.virt.driver')
+CONF.import_opt('api_paste_config', 'nova.wsgi')
 
 
 class ConfFixture(fixtures.Fixture):

nova/wsgi.py

@@ -35,6 +35,9 @@ from nova.openstack.common import cfg
 from nova.openstack.common import log as logging
 
 wsgi_opts = [
+    cfg.StrOpt('api_paste_config',
+               default="api-paste.ini",
+               help='File name for the paste.deploy config for nova-api'),
     cfg.StrOpt('wsgi_log_format',
             default='%(client_ip)s "%(request_line)s" status: %(status_code)s'
                     ' len: %(body_length)s time: %(wall_seconds).7f',
@@ -45,7 +48,6 @@ wsgi_opts = [
     ]
 CONF = cfg.CONF
 CONF.register_opts(wsgi_opts)
-CONF.import_opt('api_paste_config', 'nova.config')
 
 LOG = logging.getLogger(__name__)