Add WSGI support script for murano API

This patch add scripts for running API serces via WSGI.
The follow-up patch will add the devstack install support.

Change-Id: I3b836041559004a629f2cb2a506e53bf04fbdf23
Partially-Implements: blueprint murano-api-wsgi

murano/httpd/murano_api.py

@@ -0,0 +1,46 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""WSGI script for murano-api.
+
+Script for running murano-api under Apache2.
+"""
+
+
+from oslo_config import cfg
+import oslo_i18n as i18n
+from oslo_log import log as logging
+
+from murano.api.v1 import request_statistics
+from murano.common import app_loader
+from murano.common import config
+from murano.common.i18n import _
+from murano.common import policy
+
+
+def init_application():
+    i18n.enable_lazy()
+
+    LOG = logging.getLogger('murano.api')
+
+    logging.register_options(cfg.CONF)
+    cfg.CONF(project='murano')
+    logging.setup(cfg.CONF, 'murano')
+    config.set_middleware_defaults()
+    request_statistics.init_stats()
+    policy.init()
+
+    port = cfg.CONF.bind_port
+    host = cfg.CONF.bind_host
+    LOG.info(_('Starting Murano REST API on %(host)s:%(port)s'),
+             {'host': host, 'port': port})
+    return app_loader.load_paste_app('murano')

setup.cfg

@@ -53,6 +53,8 @@ console_scripts =
     murano-cfapi-db-manage = murano.cmd.cfapi_db_manage:main
     murano-test-runner = murano.cmd.test_runner:main
     murano-cfapi = murano.cmd.cfapi:main
+wsgi_scripts =
+    murano-wsgi-api = murano.httpd.murano_api:init_application
 oslo.config.opts =
     murano = murano.opts:list_opts
     keystone_authtoken = keystonemiddleware.opts:list_auth_token_opts