add parameter to overwrite/add wsgi process options

Add parameter to apache_wsgi to allow overwrite
and/or add additional wsgi process options.

This possibility was added to openstacklib
with Change-Id: I41914ce3361988d5db1695f09d21209772fdf548

Change-Id: I9f4ca58129a21a61cffbe84ee542ab7e16d2bb19

manifests/wsgi/apache.pp

@@ -67,6 +67,14 @@
 #     apache::vhost ssl parameters.
 #     Optional. Default to apache::vhost 'ssl_*' defaults.
 #
+#   [*custom_wsgi_process_options*]
+#     (optional) gives you the oportunity to add custom process options or to
+#     overwrite the default options for the WSGI main process.
+#     eg. to use a virtual python environment for the WSGI process
+#     you could set it to:
+#     { python-path => '/my/python/virtualenv' }
+#     Defaults to {}
+#
 # == Dependencies
 #
 #   requires Class['apache'] & Class['panko']
@@ -94,6 +102,7 @@ class panko::wsgi::apache (
   $wsgi_process_display_name   = undef,
   $threads                     = $::os_workers,
   $priority                    = '10',
+  $custom_wsgi_process_options = {},
 ) {
 
   include ::panko::deps
@@ -128,5 +137,6 @@ class panko::wsgi::apache (
     wsgi_script_dir             => $::panko::params::panko_wsgi_script_path,
     wsgi_script_file            => 'app',
     wsgi_script_source          => $::panko::params::panko_wsgi_script_source,
+    custom_wsgi_process_options => $custom_wsgi_process_options,
   }
 }

releasenotes/notes/wsgi_process_options-03a80f11e4fcd30b.yaml

@@ -0,0 +1,5 @@
+---
+features:
+        - Add parameter to wsgi::apache to allow overwrite
+          and/or add additional wsgi process options.
+

spec/classes/panko_wsgi_apache_spec.rb

@@ -34,6 +34,9 @@ describe 'panko::wsgi::apache' do
           :ssl                       => false,
           :wsgi_process_display_name => 'panko',
           :workers                   => 8,
+          :custom_wsgi_process_options => {
+            'python_path' => '/my/python/admin/path',
+          },
         }
       end
       it { is_expected.to contain_class('panko::params') }
@@ -56,6 +59,9 @@ describe 'panko::wsgi::apache' do
         :wsgi_script_dir           => platform_params[:wsgi_script_path],
         :wsgi_script_file          => 'app',
         :wsgi_script_source        => platform_params[:wsgi_script_source],
+        :custom_wsgi_process_options => {
+          'python_path'  => '/my/python/admin/path',
+        },
       )}
     end
   end