Support setting paste_config setting on api.

Change-Id: I65ce3da1c8af997e0a659e0e65daab6ef645b8fa

manifests/api.pp

@@ -44,6 +44,10 @@
 #   HTTPProxyToWSGI middleware.
 #   Defaults to $::os_service_default.
 #
+# [*paste_config*]
+#   (Optional) Configuration file for WSGI definition of API
+#   Defaults to $::os_service_default.
+#
 # [*gnocchi_external_project_owner*]
 #   (optional) Gnocchi external project owner (usually Ceilometer project name)
 #   Defaults to 'services'
@@ -58,6 +62,7 @@ class aodh::api (
   $sync_db                        = false,
   $auth_strategy                  = 'keystone',
   $enable_proxy_headers_parsing   = $::os_service_default,
+  $paste_config                   = $::os_service_default,
   $gnocchi_external_project_owner = 'services',
 ) inherits aodh::params {
 
@@ -117,6 +122,7 @@ as a standalone service, or httpd for being run by a httpd server")
     'api/gnocchi_external_project_owner': value => $gnocchi_external_project_owner;
     'api/host':                           value => $host;
     'api/port':                           value => $port;
+    'api/paste_config':                   value => $paste_config;
   }
 
   oslo::middleware { 'aodh_config':

releasenotes/notes/add-api-paste-option-9c3ea5b862ddb283.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Added ability to set paste_config option which is used by aodh-api

spec/classes/aodh_api_spec.rb

@@ -37,6 +37,7 @@ describe 'aodh::api' do
       is_expected.to contain_aodh_config('api/host').with_value( params[:host] )
       is_expected.to contain_aodh_config('api/port').with_value( params[:port] )
       is_expected.to contain_aodh_config('api/gnocchi_external_project_owner').with_value( 'services' )
+      is_expected.to contain_aodh_config('api/paste_config').with_value('<SERVICE DEFAULT>')
       is_expected.to contain_aodh_config('oslo_middleware/enable_proxy_headers_parsing').with_value('<SERVICE DEFAULT>')
     end
 
@@ -77,6 +78,14 @@ describe 'aodh::api' do
       it { is_expected.to contain_aodh_config('oslo_middleware/enable_proxy_headers_parsing').with_value(true) }
     end
 
+    context 'with paste_config' do
+      before do
+        params.merge!({:paste_config => '/etc/aodh/api-paste.ini' })
+      end
+
+      it { is_expected.to contain_aodh_config('api/paste_config').with_value('/etc/aodh/api-paste.ini') }
+    end
+
     context 'with gnocchi_external_project_owner' do
       before do
         params.merge!({:gnocchi_external_project_owner => 'gnocchi-project' })