Changes to keystone_service doesn't trigger a refresh of keystone_endpoint

When making changes to both the service and the endpoint, you can trigger an error if the services have already been prefetched:

Notice: Compiled catalog for overcloud-controller-0.localdomain in environment production in 0.42 seconds
Notice: /Stage[main]/Main/Keystone::Resource::Service_identity[keystone]/Keystone_endpoint[RegionOne/keystone]/ensure: created
Notice: /Stage[main]/Main/Keystone::Resource::Service_identity[heat]/Keystone_service[heat]/description: description changed 'Openstack Orchestration Service' to 'Openstack Orchestration'
Notice: /Stage[main]/Main/Keystone::Resource::Service_identity[heat]/Keystone_endpoint[RegionOne/heat]/public_url: public_url changed 'http://10.27.53.111:8004/v1/%(tenant_id)s' to 'http://10.27.53.111:8004/v1/%(tenant_id)s/'
Notice: /Stage[main]/Main/Keystone::Resource::Service_identity[heat]/Keystone_endpoint[RegionOne/heat]/internal_url: internal_url changed 'http://10.27.50.112:8004/v1/%(tenant_id)s' to 'http://10.27.50.112:8004/v1/%(tenant_id)s/'
Notice: /Stage[main]/Main/Keystone::Resource::Service_identity[heat]/Keystone_endpoint[RegionOne/heat]/admin_url: admin_url changed 'http://10.27.50.112:8004/v1/%(tenant_id)s' to 'http://10.27.50.112:8004/v1/%(tenant_id)s/'
Error: /Stage[main]/Main/Keystone::Resource::Service_identity[heat]/Keystone_endpoint[RegionOne/heat]: Could not evaluate: Execution of '/bin/openstack endpoint delete 7b90ec01cd8746fb817efd33ff0666d3' returned 1: ERROR: openstack Could not find endpoint: 7b90ec01cd8746fb817efd33ff0666d3 (HTTP 404) (Request-ID: req-5eda695c-fdeb-4534-858a-452d3e335d17)
Notice: Finished catalog run in 9.46 seconds

This only occurs if another service has already triggered a prefetch:

keystone::resource::service_identity { 'keystone':
  configure_user => false,
  configure_user_role => false,
  service_type => 'identity',
  service_description => 'OpenStack Identity Service',
  public_url => 'http://10.27.53.111:5000/v2.0',
  admin_url => 'http://192.0.2.23:35357/v2.0',
  internal_url => 'http://10.27.50.112:5000/v2.0',
  region => 'RegionOne',
} ->

# Service Description and Endpoint URLs have previously be set differently
keystone::resource::service_identity { 'heat':
  configure_user => true,
  configure_user_role => true,
  configure_endpoint => true,
  configure_service => true,
  service_type => 'orchestration',
  service_description => 'Openstack Orchestration',
  service_name => 'heat',
  region => 'RegionOne',
  password => 'my_password',
  email => 'heat@localhost',
  tenant => 'service',
  public_url => 'http://10.27.53.111:8004/v1/%(tenant_id)s',
  admin_url => 'http://10.27.50.112:8004/v1/%(tenant_id)s',
  internal_url => 'http://10.27.50.112:8004/v1/%(tenant_id)s',
}