SM: ensure nova_config runs before system reboot.

Closes-Bug: #1663866

Nova_config must run before Reboot resources, else it may caused partial
configuration changes for nova.conf for compute.

Change-Id: Id472a7687bab551ca8b71191a69f86c674927b24

contrail/environment/modules/contrail/manifests/compute/config.pp

@@ -400,6 +400,7 @@
   if ($::operatingsystem == 'Centos' or $::operatingsystem == 'Fedora') {
     Class['::contrail::compute::setup_compute_server_setup'] ->
      Class['::contrail::compute::cp_ifcfg_file'] ->
+     Nova_config <| |> ->
      # remove blank password line from nova.conf
      exec { "set-nova-password":
        command => "sed -i \'s/^password=$/password=${keystone_admin_password}/\' /etc/nova/nova.conf && echo exec-set-nova-password >> /etc/contrail/exec-contrail-compute.out",