Allow setting log files for nova-api apache vhost

This allows the setting of the error and access file logs, as well as
the access log format. This was done in a similar fashion as one can
configure these ones in the keystone wsgi manifest.

Change-Id: I7e39baa2fefdc63d6f300cb037241846e0871eeb
Depends-On: I5e7d3588b7b3b106813d6d37b55aa812273d04d6

manifests/wsgi/apache_api.pp

@@ -70,6 +70,18 @@
 #     apache::vhost ssl parameters.
 #     Optional. Default to apache::vhost 'ssl_*' defaults.
 #
+#   [*access_log_file*]
+#     The log file name for the virtualhost.
+#     Optional. Defaults to false.
+#
+#   [*access_log_format*]
+#     The log format for the virtualhost.
+#     Optional. Defaults to false.
+#
+#   [*error_log_file*]
+#     The error log file name for the virtualhost.
+#     Optional. Defaults to undef.
+#
 #   [*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.
@@ -105,6 +117,9 @@ class nova::wsgi::apache_api (
   $wsgi_process_display_name   = undef,
   $threads                     = $::os_workers,
   $priority                    = '10',
+  $access_log_file             = false,
+  $access_log_format           = false,
+  $error_log_file              = undef,
   $custom_wsgi_process_options = {},
 ) {
 
@@ -144,6 +159,9 @@ class nova::wsgi::apache_api (
     wsgi_script_file            => 'nova-api',
     wsgi_script_source          => $::nova::params::nova_api_wsgi_script_source,
     custom_wsgi_process_options => $custom_wsgi_process_options,
+    access_log_file             => $access_log_file,
+    access_log_format           => $access_log_format,
+    error_log_file              => $error_log_file,
   }
 
 }

spec/classes/nova_wsgi_apache_api_spec.rb

@@ -32,6 +32,9 @@ describe 'nova::wsgi::apache_api' do
         :wsgi_script_file            => 'nova-api',
         :wsgi_script_source          => platform_params[:api_wsgi_script_source],
         :custom_wsgi_process_options => {},
+        :access_log_file             => false,
+        :access_log_format           => false,
+        :error_log_file              => nil,
       )}
     end
 
@@ -57,6 +60,9 @@ describe 'nova::wsgi::apache_api' do
           :custom_wsgi_process_options => {
             'python_path' => '/my/python/path',
           },
+          :access_log_file             => '/var/log/httpd/access_log',
+          :access_log_format           => 'some format',
+          :error_log_file              => '/var/log/httpd/error_log'
         }
       end
 
@@ -83,6 +89,9 @@ describe 'nova::wsgi::apache_api' do
         :custom_wsgi_process_options => {
           'python_path' => '/my/python/path',
         },
+        :access_log_file             => '/var/log/httpd/access_log',
+        :access_log_format           => 'some format',
+        :error_log_file              => '/var/log/httpd/error_log'
       )}
     end