Remove service:central/backend_driver option, no longer exists

Change-Id: Ide49b872e0bbea640d9948c6d3d6809b70e5d767

example/all-in-one-keystone.pp

@@ -22,7 +22,6 @@ node /designate/ {
   $rabbit_userid         = 'guest'
   $rabbit_password       = 'guest'
   $auth_strategy         = 'keystone'
-  $backend_driver        = 'bind9'
   $designate_db_password = 'admin'
   $db_host               = '127.0.0.1'
 
@@ -74,9 +73,7 @@ node /designate/ {
     keystone_password => $keystone_password,
   }
 
-  class {'::designate::central':
-    backend_driver => $backend_driver,
-  }
+  include '::designate::central'
 
   include '::designate::dns'
   class {'::designate::backend::bind9':

example/all-in-one-noauth.pp

@@ -9,7 +9,6 @@ node /designate/ {
   $rabbit_userid         = 'guest'
   $rabbit_password       = 'guest'
   $auth_strategy         = 'noauth'
-  $backend_driver        = 'bind9'
   $designate_db_password = 'admin'
   $db_host               = '127.0.0.1'
 
@@ -36,7 +35,5 @@ node /designate/ {
     auth_strategy => $auth_strategy,
   }
 
-  class {'::designate::central':
-    backend_driver => $backend_driver,
-  }
+  include '::designate::central'
 }

manifests/central.pp

@@ -20,10 +20,6 @@
 #  (optional) Whether the designate central service will be running.
 #  Defaults to 'running'
 #
-# [*backend_driver*]
-#  (optional) Driver used for backend communication (fake, rpc, bind9, powerdns)
-#  Defaults to 'bind9'
-#
 # [*managed_resource_email*]
 #  (optional) Email to use for managed resources like domains created by the FloatingIP API
 #  Defaults to 'hostmaster@example.com'
@@ -45,23 +41,33 @@
 #  (optional) Minimum TTL.
 #  Defaults to $::os_service_default
 #
+# === DEPRECATED PARAMETERS
+#
+# [*backend_driver*]
+#  (optional) Driver used for backend communication (fake, rpc, bind9, powerdns)
+#  Defaults to 'undef'
+#
 class designate::central (
   $package_ensure             = present,
   $central_package_name       = $::designate::params::central_package_name,
   $enabled                    = true,
   $service_ensure             = 'running',
-  $backend_driver             = 'bind9',
   $managed_resource_email     = 'hostmaster@example.com',
   $managed_resource_tenant_id = '123456',
   $max_domain_name_len        = '255',
   $max_recordset_name_len     = '255',
   $min_ttl                    = $::os_service_default,
+  # DEPRECATED PARAMETERS
+  $backend_driver             = undef,
 ) inherits designate {
 
   include ::designate::deps
 
+  if $backend_driver {
+    warning('backend_driver has been deprecated and has no effect. It will be removed in Pike.')
+  }
+
   designate_config {
-    'service:central/backend_driver'             : value => $backend_driver;
     'service:central/managed_resource_email'     : value => $managed_resource_email;
     'service:central/managed_resource_tenant_id' : value => $managed_resource_tenant_id;
     'service:central/max_domain_name_len'        : value => $max_domain_name_len;

releasenotes/notes/deprecate-central-backend_driver-option-cfd8f6a4d3732a7f.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - The "backend_driver" option in designate::central is deprecated.
+    This option is no longer recognised by designate from at least
+    mitaka.

spec/acceptance/basic_designate_spec.rb

@@ -45,9 +45,7 @@ describe 'basic designate' do
         enabled       => true,
         auth_strategy => 'keystone',
       }
-      class {'::designate::central':
-          backend_driver => 'bind9',
-      }
+      include ::designate::central
       class { '::designate::backend::bind9':
         rndc_config_file => '',
         rndc_key_file    => '',

spec/classes/designate_central_spec.rb

@@ -27,7 +27,6 @@ describe 'designate::central' do
       end
 
       it 'configures designate-central with default parameters' do
-        is_expected.to contain_designate_config('service:central/backend_driver').with_value('bind9')
         is_expected.to contain_designate_config('service:central/managed_resource_email').with_value('hostmaster@example.com')
         is_expected.to contain_designate_config('service:central/managed_resource_tenant_id').with_value('123456')
         is_expected.to contain_designate_config('service:central/max_domain_name_len').with_value('255')
@@ -35,12 +34,6 @@ describe 'designate::central' do
         is_expected.to contain_designate_config('service:central/min_ttl').with_value('<SERVICE DEFAULT>')
       end
 
-      context 'when using Power DNS backend driver' do
-        before { params.merge!(:backend_driver => 'powerdns') }
-        it 'configures designate-central with pdns backend' do
-          is_expected.to contain_designate_config('service:central/backend_driver').with_value('powerdns')
-        end
-      end
     end
 
     context 'with custom package name' do