Replace wsgi script

pbr is removing support for wsgi_script due to changes in setuptools.
Use the wsgi script module python code instead.

Note that this change only touches CentOS code. Ubuntu and Debian will
be updated later when we bump the release used in our testing.

Change-Id: I5cd5c822b3078dbcc38fa4ebedcd4fbc591ce32b
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

manifests/params.pp

@@ -5,6 +5,8 @@
 class nova::params {
   include openstacklib::defaults
 
+  $pyver3 = $openstacklib::defaults::pyver3
+
   $client_package = 'python3-novaclient'
   $user           = 'nova'
   $group          = 'nova'
@@ -64,8 +66,8 @@ class nova::params {
       $root_helper                       = 'sudo nova-rootwrap'
       $lock_path                         = '/var/lib/nova/tmp'
       $nova_wsgi_script_path             = '/var/www/cgi-bin/nova'
-      $nova_api_wsgi_script_source       = '/usr/bin/nova-api-wsgi'
-      $nova_metadata_wsgi_script_source  = '/usr/bin/nova-metadata-wsgi'
+      $nova_api_wsgi_script_source       = "/usr/lib/python${pyver3}/site-packages/nova/wsgi/osapi_compute.py"
+      $nova_metadata_wsgi_script_source  = "/usr/lib/python${pyver3}/site-packages/nova/wsgi/metadata.py"
     }
     'Debian': {
       # package names

spec/classes/nova_wsgi_apache_api_spec.rb

@@ -243,7 +243,7 @@ describe 'nova::wsgi::apache_api' do
         when 'RedHat'
           {
             :wsgi_script_path       => '/var/www/cgi-bin/nova',
-            :api_wsgi_script_source => '/usr/bin/nova-api-wsgi',
+            :api_wsgi_script_source => '/usr/lib/python3.9/site-packages/nova/wsgi/osapi_compute.py',
           }
         end
       end

spec/classes/nova_wsgi_apache_metadata_spec.rb

@@ -229,7 +229,7 @@ describe 'nova::wsgi::apache_metadata' do
         when 'RedHat'
           {
             :wsgi_script_path            => '/var/www/cgi-bin/nova',
-            :metadata_wsgi_script_source => '/usr/bin/nova-metadata-wsgi',
+            :metadata_wsgi_script_source => '/usr/lib/python3.9/site-packages/nova/wsgi/metadata.py',
           }
         end
       end