Allow setting log files for 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: Ic2ffef73f6a12d6225f87d285003c3deb7541126

manifests/wsgi/apache.pp

@@ -69,6 +69,18 @@
 #   [*vhost_custom_fragment*]
 #     (optional) Additional vhost configuration, if applicable.
 #
+#   [*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.
@@ -104,6 +116,9 @@ define heat::wsgi::apache (
   $threads                     = $::os_workers,
   $priority                    = '10',
   $vhost_custom_fragment       = undef,
+  $access_log_file             = false,
+  $access_log_format           = false,
+  $error_log_file              = undef,
   $custom_wsgi_process_options = {},
 ) {
   if $title !~ /^api(|_cfn|_cloudwatch)$/ {
@@ -144,5 +159,8 @@ define heat::wsgi::apache (
     allow_encoded_slashes       => 'on',
     require                     => Anchor['heat::install::end'],
     vhost_custom_fragment       => $vhost_custom_fragment,
+    access_log_file             => $access_log_file,
+    access_log_format           => $access_log_format,
+    error_log_file              => $error_log_file,
   }
 }

spec/classes/heat_wsgi_apache_api_cfn_spec.rb

@@ -20,7 +20,9 @@ describe 'heat::wsgi::apache_api_cfn' do
         :ssl_certs_dir               => nil,
         :threads                     => facts[:os_workers],
         :priority                    => 10,
-        :custom_wsgi_process_options => {}, )
+        :custom_wsgi_process_options => {},
+        :access_log_file             => false,
+        :access_log_format           => false,)
       }
     end
   end

spec/classes/heat_wsgi_apache_api_spec.rb

@@ -20,7 +20,9 @@ describe 'heat::wsgi::apache_api' do
         :ssl_certs_dir               => nil,
         :threads                     => facts[:os_workers],
         :priority                    => 10,
-        :custom_wsgi_process_options => {}, )
+        :custom_wsgi_process_options => {},
+        :access_log_file             => false,
+        :access_log_format           => false,)
       }
     end
   end