Switch from wsgi script to wsgi module

Change-Id: I94ab5411e62872a1d94dea4117f29d8a655a1e5d

defaults/main.yml

@@ -301,7 +301,7 @@ manila_services:
     init_config_overrides: "{{ manila_api_init_overrides }}"
     start_order: 4
     wsgi_app: true
-    wsgi_name: manila-wsgi
+    wsgi: "manila.wsgi.api:application"
     uwsgi_overrides: "{{ manila_api_uwsgi_ini_overrides }}"
     uwsgi_port: "{{ manila_service_port }}"
     uwsgi_bind_address: "{{ manila_uwsgi_bind_address }}"

vars/main.yml

@@ -70,7 +70,6 @@ uwsgi_manila_services: |-
          and ('wsgi_app' in value and value['wsgi_app']) %}
   {%     set _ = value.update(
             {
-             'wsgi_path': manila_bin ~ '/' ~ value.wsgi_name,
              'wsgi_venv': ((manila_install_method == 'source') | ternary(manila_bin | dirname, None)),
              'uwsgi_uid': manila_system_user_name,
              'uwsgi_guid': manila_system_group_name,