Merge "Add manage_backend_package parameter"

manifests/cache.pp

@@ -81,6 +81,10 @@
 #   client connection. (integer value)
 #   Defaults to $::os_service_default
 #
+# [*manage_backend_package*]
+#   (Optional) (Optional) Whether to install the backend package for the cache.
+#   Defaults to true
+#
 class nova::cache (
   $config_prefix                        = $::os_service_default,
   $expiration_time                      = $::os_service_default,
@@ -95,6 +99,7 @@ class nova::cache (
   $memcache_pool_maxsize                = $::os_service_default,
   $memcache_pool_unused_timeout         = $::os_service_default,
   $memcache_pool_connection_get_timeout = $::os_service_default,
+  $manage_backend_package               = true,
 ) {
 
   include ::nova::deps
@@ -113,5 +118,6 @@ class nova::cache (
     memcache_pool_maxsize                => $memcache_pool_maxsize,
     memcache_pool_unused_timeout         => $memcache_pool_unused_timeout,
     memcache_pool_connection_get_timeout => $memcache_pool_connection_get_timeout,
+    manage_backend_package               => $manage_backend_package,
   }
 }

releasenotes/notes/manage-backend-param-b29e0be3dd8e14c3.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    Added new parameter nova::cache::manage_backend_package that is sent to the
+    oslo::cache class which determines if the backend cache python library
+    should be installed or not. Defaults to true same as oslo::cache default
+    value.

spec/classes/nova_cache_spec.rb

@@ -23,6 +23,7 @@ describe 'nova::cache' do
         is_expected.to contain_nova_config('cache/memcache_pool_maxsize').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('cache/memcache_pool_unused_timeout').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_nova_config('cache/memcache_pool_connection_get_timeout').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_oslo__cache('nova_config').with_manage_backend_package(true)
       end
     end
 
@@ -41,6 +42,7 @@ describe 'nova::cache' do
           :memcache_pool_maxsize                => '10',
           :memcache_pool_unused_timeout         => '120',
           :memcache_pool_connection_get_timeout => '360',
+          :manage_backend_package               => false,
         }
       end
 
@@ -58,6 +60,7 @@ describe 'nova::cache' do
         is_expected.to contain_nova_config('cache/memcache_pool_maxsize').with_value('10')
         is_expected.to contain_nova_config('cache/memcache_pool_unused_timeout').with_value('120')
         is_expected.to contain_nova_config('cache/memcache_pool_connection_get_timeout').with_value('360')
+        is_expected.to contain_oslo__cache('nova_config').with_manage_backend_package(false)
       end
     end
   end