Fix neutron stamp/upgrade head

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>

resources/neutron_plugins_ovs_puppet/README.md

@@ -5,6 +5,8 @@ This configures the plugin for the API server, but does nothing
 about configuring the agents that must also run and share a config
 file with the OVS plugin if both are on the same machine.
 
+Note, this plugin was deprecated, you may want to use the ML2 plugin instead.
+
 NB: don't need tunnel ID range when using VLANs,
 *but* you do need the network vlan range regardless of type,
 because the list of networks there is still important

resources/neutron_plugins_ovs_puppet/actions/remove.pp

@@ -8,3 +8,8 @@ package { 'neutron':
   ensure => 'absent',
   name   => $::neutron::params::package_name,
 }
+
+# Remove external class dependency
+Service <| title == 'neutron-plugin-ovs-service' |> {
+  require    => undef
+}

resources/neutron_plugins_ovs_puppet/actions/run.pp

@@ -16,6 +16,8 @@ $network_vlan_ranges  = $resource['input']['network_vlan_ranges']['value']
 $tunnel_id_ranges     = $resource['input']['tunnel_id_ranges']['value']
 $vxlan_udp_port       = $resource['input']['vxlan_udp_port']['value']
 
+# Stamp neutron head, if current version is None, or upgrade head would fail later
+$command = '/usr/bin/neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini'
 class { 'neutron::plugins::ovs':
   package_ensure       => $package_ensure,
   sql_connection       => "mysql://${db_user}:${db_password}@${db_host}/${db_name}",
@@ -26,6 +28,13 @@ class { 'neutron::plugins::ovs':
   network_vlan_ranges  => $network_vlan_ranges,
   tunnel_id_ranges     => $tunnel_id_ranges,
   vxlan_udp_port       => $vxlan_udp_port,
+} ->
+
+exec { 'neutron-db-sync':
+  provider    => 'shell',
+  command     => "${command} stamp head",
+  path        => [ '/usr/bin', '/bin' ],
+  onlyif      => "${command} current | grep -qE '^Current revision.*None$' "
 }
 
 include neutron::params

resources/neutron_server_puppet/actions/remove.pp

@@ -3,3 +3,8 @@ class { 'neutron::server':
   package_ensure  => 'absent',
   auth_password   => 'not important as removed',
 }
+
+# Remove external class dependency
+Service <| title == 'neutron-server' |> {
+  require    => undef
+}