Require placmenet::api in wsgi+apache deployment

This change drops the redundant implementation left to keep backword
compatibility during refactoring of placement::api[1] during V-cycle.

[1] 425180f5b8789852cba3511e16218fcb9c4607e2

Change-Id: I3e989c3c7b37741904dcb51b0f950ced33d11a2b

manifests/wsgi/apache.pp

@@ -58,10 +58,6 @@
 #   (Optional) Name of the WSGI process display-name.
 #   Defaults to undef
 #
-# [*ensure_package*]
-#   (Optional) Control the ensure parameter for the Placement API package ressource.
-#   Defaults to 'present'
-#
 # [*ssl_cert*]
 # [*ssl_key*]
 # [*ssl_chain*]
@@ -89,6 +85,12 @@
 #   directives to be placed at the end of the vhost configuration.
 #   Defaults to undef.
 #
+# DEPRECATED PARAMETERS
+#
+# [*ensure_package*]
+#   (Optional) Control the ensure parameter for the Placement API package ressource.
+#   Defaults to undef
+#
 # == Examples
 #
 #   include apache
@@ -105,7 +107,6 @@ class placement::wsgi::apache (
   $priority                  = '10',
   $threads                   = 1,
   $wsgi_process_display_name = undef,
-  $ensure_package            = 'present',
   $ssl_cert                  = undef,
   $ssl_key                   = undef,
   $ssl_chain                 = undef,
@@ -117,6 +118,8 @@ class placement::wsgi::apache (
   $access_log_format         = false,
   $error_log_file            = undef,
   $vhost_custom_fragment     = undef,
+  # DEPRECATED PARAMETERS
+  $ensure_package            = undef,
 ) {
 
   if $api_port == 80 {
@@ -134,13 +137,8 @@ class placement::wsgi::apache (
     include apache::mod::ssl
   }
 
-  if ! defined(Class['placement::api']) {
-    warning('placement::api class will be required in a future release')
-    placement::generic_service { 'api':
-      service_name   => false,
-      package_name   => $::placement::params::package_name,
-      ensure_package => $ensure_package,
-    }
+  if $ensure_package != undef {
+    warning('The placement::wsgi::apache::ensure_package parameter is deprecated and has no effect')
   }
 
   file { $::placement::params::httpd_config_file:

releasenotes/notes/placement-api-cleanup-9b7e14ea06e10e6f.yaml

@@ -0,0 +1,11 @@
+---
+upgrade:
+  - |
+    The ``placement::wsgi::apache`` class no longer manages services and
+    packages. The ``placmenet::api`` class should be included to manage
+    these resources.
+
+deprecations:
+  - |
+    The ``placement::wsgi::apache::ensure_package`` parameter has been
+    deprecated and has no effect now.

spec/classes/placement_wsgi_apache.rb

@@ -10,12 +10,6 @@ describe 'placement::wsgi::apache' do
         should contain_class('apache::mod::ssl')
       }
 
-      it { should contain_placement__generic_service('api').with(
-        :service_name   => false,
-        :package_name   => platform_params[:package_name],
-        :ensure_package => 'present',
-      )}
-
       it { should contain_file(platform_params[:httpd_config_file]).with_ensure('present') }
 
       it { should contain_openstacklib__wsgi__apache('placement_wsgi').with(
@@ -68,7 +62,6 @@ describe 'placement::wsgi::apache' do
           :wsgi_process_display_name => 'custom',
           :threads                   => 5,
           :priority                  => '25',
-          :ensure_package            => 'absent',
           :access_log_file           => '/var/log/httpd/access_log',
           :access_log_format         => 'some format',
           :error_log_file            => '/var/log/httpd/error_log',
@@ -82,12 +75,6 @@ describe 'placement::wsgi::apache' do
         should_not contain_class('apache::mod::ssl')
       }
 
-      it { should contain_placement__generic_service('api').with(
-        :service_name   => false,
-        :package_name   => platform_params[:package_name],
-        :ensure_package => params[:ensure_package],
-      )}
-
       it { should contain_file(platform_params[:httpd_config_file]).with_ensure('present') }
 
       it { should contain_openstacklib__wsgi__apache('placement_wsgi').with(