apache: Expose setenv

The setenv option needs customization in case neutron api is run by
httpd + mod_wsgi and additional config files should be loaded.

Change-Id: I3880954896917dde0e13f69685a560db8589ec0e

manifests/wsgi/apache.pp

@@ -50,6 +50,10 @@
 #     (optional) The priority for the vhost.
 #     Defaults to 10
 #
+#   [*setenv*]
+#     (optional) Set environment variables for the vhost.
+#     Defaults to []
+#
 #   [*threads*]
 #     (optional) The number of threads for the vhost.
 #     Defaults to 1
@@ -139,6 +143,7 @@ class neutron::wsgi::apache (
   $wsgi_process_display_name   = undef,
   $threads                     = 1,
   $priority                    = 10,
+  $setenv                      = [],
   $access_log_file             = undef,
   $access_log_pipe             = undef,
   $access_log_syslog           = undef,
@@ -162,6 +167,7 @@ class neutron::wsgi::apache (
     group                       => $::neutron::params::group,
     path                        => $path,
     priority                    => $priority,
+    setenv                      => $setenv,
     servername                  => $servername,
     ssl                         => $ssl,
     ssl_ca                      => $ssl_ca,

releasenotes/notes/wsgi-apache-setenv-3d710d074459a9c1.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The new ``neutron::wsgi::apache::setenv`` parameter has been added.

spec/classes/neutron_wsgi_apache_spec.rb

@@ -9,6 +9,7 @@ describe 'neutron::wsgi::apache' do
         :group                       => 'neutron',
         :path                        => '/',
         :priority                    => 10,
+        :setenv                      => [],
         :servername                  => 'foo.example.com',
         :ssl                         => false,
         :threads                     => 1,