Adding api-paste.ini

api-paste.ini was not being created on the server, which was causing
Magnum to fail to run properly.  This patch adds api-paste.ini to the
list of configuration files that are placed post-installation.

Change-Id: Ie1d710eae9f93ae89289043f8c627c3e3fd2d6ab

defaults/main.yml

@@ -42,6 +42,7 @@ magnum_service_adminurl: "{{ magnum_service_adminuri_proto }}://{{ internal_lb_v
 
 magnum_config_overrides: {}
 magnum_policy_overrides: {}
+magnum_api_paste_ini_overrides: {}
 
 # Name of the virtual env to deploy into
 magnum_venv_tag: untagged

tasks/post-install.yml

@@ -31,6 +31,10 @@
       destination: "{{ magnum_etc_directory }}/policy.json"
       config_overrides: "{{ magnum_policy_overrides }}"
       config_type: "json"
+    - source: "api-paste.ini.j2"
+      destination: "{{ magnum_etc_directory }}/api-paste.ini"
+      config_overrides: "{{ magnum_api_paste_ini_overrides }}"
+      config_type: "ini"
   tags:
     - magnum-config-files
     - magnum-configuration

templates/api-paste.ini.j2

@@ -0,0 +1,21 @@
+[pipeline:main]
+pipeline = cors healthcheck request_id authtoken api_v1
+
+[app:api_v1]
+paste.app_factory = magnum.api.app:app_factory
+
+[filter:authtoken]
+acl_public_routes = /, /v1
+paste.filter_factory = magnum.api.middleware.auth_token:AuthTokenMiddleware.factory
+
+[filter:request_id]
+paste.filter_factory = oslo_middleware:RequestId.factory
+
+[filter:cors]
+paste.filter_factory =  oslo_middleware.cors:filter_factory
+oslo_config_project = magnum
+
+[filter:healthcheck]
+paste.filter_factory = oslo_middleware:Healthcheck.factory
+backends = disable_by_file
+disable_by_file_path = /etc/magnum/healthcheck_disable