Fix Keystone after their migration from WSGI scripts

Change-Id: I689d404c123dc1f00cba2f8c8b4b9d55b7b4a75a

Author: dtantsur

playbooks/roles/bifrost-keystone-install/tasks/bootstrap.yml

@@ -22,11 +22,6 @@
       --network-interface argument to "bifrost-cli install".
   when: ('ansible_' + ans_network_interface) not in hostvars[inventory_hostname]
 
-- name: "Get keystone-wsgi-public location"
-  shell: echo $(dirname $(which keystone-wsgi-public))
-  register: keystone_install_prefix
-  environment: "{{ bifrost_venv_env }}"
-
 # NOTE(sean-k-mooney) only the MySQL db is started during bootstrapping.
 # all other services are started in the Start phase.
 - name: "Start database service"
@@ -195,18 +190,6 @@
     group: "{{ nginx_user }}" # TODO(TheJulia): Split webserver user/group.
     mode: "0755"
 
-# Note(ashestakov): "copy" module in ansible doesn't support recursive
-# copying on remote host. "cp" command used instead.
-- name: "Copy keystone-wsgi-public  to /var/www/keystone/public"
-  command: cp -r "{{ keystone_install_prefix.stdout }}/keystone-wsgi-public" /var/www/keystone/public
-
-- name: "Ensure owner and mode of keystone-wsgi-public"
-  file:
-    path: /var/www/keystone/public
-    owner: "keystone"
-    group: "{{ nginx_user }}"
-    mode: "0754"
-
 - name: "Bootstrap uWSGI"
   include_role:
     name: bifrost-uwsgi-install

playbooks/roles/bifrost-keystone-install/templates/uwsgi-keystone.ini.j2

@@ -1,5 +1,8 @@
 # {{ ansible_managed }}
 [uwsgi]
+module = keystone.wsgi.api:application
+plugins = python
+
 master = true
 processes = 2
 threads = 2
@@ -18,4 +21,3 @@ uid = keystone
 gid = {{ nginx_user }}
 
 chdir = /var/www/keystone/
-wsgi-file = /var/www/keystone/public

releasenotes/notes/keystone-uwsgi-fix-cd7e95d1f1fa8768.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fixes Keystone start-up by providing the correct WSGI entry point.