| # Quantum Open vSwitch plugin | 
 | # --------------------------- | 
 |  | 
 | # Save trace setting | 
 | MY_XTRACE=$(set +o | grep xtrace) | 
 | set +o xtrace | 
 |  | 
 | source $TOP_DIR/lib/quantum_plugins/openvswitch_agent | 
 |  | 
 | function quantum_plugin_configure_common() { | 
 |     Q_PLUGIN_CONF_PATH=etc/quantum/plugins/openvswitch | 
 |     Q_PLUGIN_CONF_FILENAME=ovs_quantum_plugin.ini | 
 |     Q_DB_NAME="ovs_quantum" | 
 |     Q_PLUGIN_CLASS="quantum.plugins.openvswitch.ovs_quantum_plugin.OVSQuantumPluginV2" | 
 | } | 
 |  | 
 | function quantum_plugin_configure_service() { | 
 |     if [[ "$ENABLE_TENANT_TUNNELS" = "True" ]]; then | 
 |         iniset /$Q_PLUGIN_CONF_FILE OVS tenant_network_type gre | 
 |         iniset /$Q_PLUGIN_CONF_FILE OVS tunnel_id_ranges $TENANT_TUNNEL_RANGES | 
 |     elif [[ "$ENABLE_TENANT_VLANS" = "True" ]]; then | 
 |         iniset /$Q_PLUGIN_CONF_FILE OVS tenant_network_type vlan | 
 |     else | 
 |         echo "WARNING - The openvswitch plugin is using local tenant networks, with no connectivity between hosts." | 
 |     fi | 
 |  | 
 |     # Override ``OVS_VLAN_RANGES`` and ``OVS_BRIDGE_MAPPINGS`` in ``localrc`` | 
 |     # for more complex physical network configurations. | 
 |     if [[ "$OVS_VLAN_RANGES" = "" ]] && [[ "$PHYSICAL_NETWORK" != "" ]]; then | 
 |         OVS_VLAN_RANGES=$PHYSICAL_NETWORK | 
 |         if [[ "$TENANT_VLAN_RANGE" != "" ]]; then | 
 |             OVS_VLAN_RANGES=$OVS_VLAN_RANGES:$TENANT_VLAN_RANGE | 
 |         fi | 
 |     fi | 
 |     if [[ "$OVS_VLAN_RANGES" != "" ]]; then | 
 |         iniset /$Q_PLUGIN_CONF_FILE OVS network_vlan_ranges $OVS_VLAN_RANGES | 
 |     fi | 
 |  | 
 |     # Enable tunnel networks if selected | 
 |     if [[ $OVS_ENABLE_TUNNELING = "True" ]]; then | 
 |         iniset /$Q_PLUGIN_CONF_FILE OVS enable_tunneling True | 
 |     fi | 
 |  | 
 |     _quantum_ovs_base_configure_firewall_driver | 
 | } | 
 |  | 
 | function has_quantum_plugin_security_group() { | 
 |     return 0 | 
 | } | 
 |  | 
 | # Restore xtrace | 
 | $MY_XTRACE |