Add options to configure yaql settings

Change-Id: Id41001d74ce1008dbb5a98b962d5c53dbf39c903
(cherry picked from commit 0b0f6289e1)

manifests/init.pp

@@ -290,6 +290,16 @@
 #   (optional) Type of authentication to use
 #   Defaults to 'keystone'
 #
+# [*yaql_limit_iterators*]
+#   (optional) The maximum number of elements YAQL collection expressions can
+#     take for evaluation.
+#   Defaults to $::os_service_default.
+#
+# [*yaql_memory_quota*]
+#   (optional) The maximum size of memory in bytes that YAQL expressions can
+#     take for evaluation.
+#   Defaults to $::os_service_default.
+#
 # DEPRECATED PARAMETERS
 #
 # [*verbose*]
@@ -408,6 +418,8 @@ class heat(
   $heat_clients_url                   = $::os_service_default,
   $purge_config                       = false,
   $auth_strategy                      = 'keystone',
+  $yaql_memory_quota                  = $::os_service_default,
+  $yaql_limit_iterators               = $::os_service_default,
   # Deprecated
   $verbose                            = undef,
   $auth_uri                           = undef,
@@ -573,6 +585,8 @@ class heat(
     'DEFAULT/enable_stack_adopt':           value => $enable_stack_adopt;
     'ec2authtoken/auth_uri':                value => $keystone_ec2_uri;
     'paste_deploy/flavor':                  value => $flavor;
+    'yaql/limit_iterators':                 value => $yaql_limit_iterators;
+    'yaql/memory_quota':                    value => $yaql_memory_quota;
   }
 
   oslo::messaging::notifications { 'heat_config':

releasenotes/notes/yaql_config_options-d25ae9c0bd25706f.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Allows configuration of [yaql] settings to control
+    memory_quota and limit_iterators settings.

spec/classes/heat_init_spec.rb

@@ -20,6 +20,8 @@ describe 'heat' do
       :keystone_password     => 'secretpassword',
       :heat_clients_url      => '<SERVICE DEFAULT>',
       :purge_config          => false,
+      :yaql_limit_iterators  => 400,
+      :yaql_memory_quota     => 20000,
     }
   end
 
@@ -135,6 +137,14 @@ describe 'heat' do
       is_expected.to contain_heat_config('ec2authtoken/auth_uri').with_value( params[:keystone_ec2_uri] )
     end
 
+    it 'configures yaql_limit_iterators' do
+      is_expected.to contain_heat_config('yaql/limit_iterators').with_value( params[:yaql_limit_iterators] )
+    end
+
+    it 'configures yaql_memory_quota' do
+      is_expected.to contain_heat_config('yaql/memory_quota').with_value( params[:yaql_memory_quota] )
+    end
+
     it { is_expected.to contain_heat_config('paste_deploy/flavor').with_value('keystone') }
 
     it 'configures notification_driver' do