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: I40fcf5749200c6619b50ee7bcff2b89af1e2b7a9
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

manifests/params.pp

@@ -22,6 +22,8 @@
 class ironic::params {
   include openstacklib::defaults
 
+  $pyver3 = $openstacklib::defaults::pyver3
+
   $dbsync_command               = 'ironic-dbsync'
   $inspector_dbsync_command     =
     'ironic-inspector-dbsync --config-file /etc/ironic-inspector/inspector.conf upgrade'
@@ -60,7 +62,7 @@ class ironic::params {
       $uefi_pxe_bootfile_name       = 'bootx64.efi'
       $uefi_ipxe_bootfile_name      = 'snponly.efi'
       $ironic_wsgi_script_path      = '/var/www/cgi-bin/ironic'
-      $ironic_wsgi_script_source    = '/usr/bin/ironic-api-wsgi'
+      $ironic_wsgi_script_source    = "/usr/lib/python${pyver3}/site-packages/ironic/wsgi/__init__.py"
       $inspector_wsgi_script_path   = '/var/www/cgi-bin/ironic-inspector'
       $inspector_wsgi_script_source = '/usr/bin/ironic-inspector-api-wsgi'
       $xinetd_available             = false

spec/classes/ironic_wsgi_apache_spec.rb

@@ -161,7 +161,7 @@ describe 'ironic::wsgi::apache' do
         when 'RedHat'
             {
               :wsgi_script_path   => '/var/www/cgi-bin/ironic',
-              :wsgi_script_source => '/usr/bin/ironic-api-wsgi',
+              :wsgi_script_source => '/usr/lib/python3.9/site-packages/ironic/wsgi/__init__.py',
             }
         end
       end