Set configure_delegated_roles a parameter

The configure_delegated_roles configure if the heat_stack_onwer role
would be created or not by keystone. Right now this is set to false,
without any way to override to true. This patch change this option to be
a parameter and it also change scenario001 to true in order to run heat
tempest tests.

Change-Id: I916cc4842ccef587a25b06cb422436953974e790

ci/environments/scenario001-standalone.yaml

@@ -51,6 +51,7 @@ parameter_defaults:
     # in sync with the archive policy, 60s too.
     ceilometer::agent::polling::polling_interval: 15
   ManagePolling: true
+  HeatConfigureDelegatedRoles: true
   ManagePipeline: true
   PipelinePublishers:
     - gnocchi://?archive_policy=ceilometer-high-rate

deployment/heat/heat-engine-container-puppet.yaml

@@ -97,6 +97,10 @@ parameters:
     type: comma_delimited_list
     default: []
     description: An array of directories to search for plug-ins.
+  HeatConfigureDelegatedRoles:
+    type: boolean
+    default: false
+    description: Create delegated roles
 
 conditions:
   heat_workers_unset: {equals : [{get_param: HeatWorkers}, 0]}
@@ -143,7 +147,7 @@ outputs:
         map_merge:
           - get_attr: [HeatBase, role_data, config_settings]
           - apache::default_vhost: false
-            heat::engine::configure_delegated_roles: false
+            heat::engine::configure_delegated_roles: {get_param: HeatConfigureDelegatedRoles}
             heat::engine::trusts_delegated_roles: []
             heat::engine::max_nested_stack_depth: {get_param: HeatMaxNestedStackDepth}
             heat::engine::max_resources_per_stack: {get_param: HeatMaxResourcesPerStack}