+ else {
+
+ # NOTE: this code won't live in puppet-neutron until Neutron OVS agent
+ # can be gracefully restarted. See https://review.openstack.org/#/c/297211
+ # In the meantime, it's safe to restart the agent on each change in neutron.conf,
+ # because Puppet changes are supposed to be done during bootstrap and upgrades.
+ # Some resource managed by Neutron_config (like messaging and logging options) require
+ # a restart of OVS agent. This code does it.
+ # In Newton, OVS agent will be able to be restarted gracefully so we'll drop the code
+ # from here and fix it in puppet-neutron.
+ Neutron_config<||> ~> Service['neutron-ovs-agent-service']
+
+ include ::neutron::plugins::ml2
+ include ::neutron::agents::ml2::ovs
+
+ if 'cisco_n1kv' in hiera('neutron::plugins::ml2::mechanism_drivers') {
+ class { '::neutron::agents::n1kv_vem':
+ n1kv_source => hiera('n1kv_vem_source', undef),
+ n1kv_version => hiera('n1kv_vem_version', undef),
+ }
+ }