Bob Kukura c9b0f1abaa Support for the ml2 quantum plugin.
Support is added for configuring devstack to use quantum's Modular L2
plugin, ml2. See https://review.openstack.org/#/c/20105/ and the
blueprint for details. Either the openvswitch or linuxbridge L2 agent
can be used with the ml2 plugin (or both in combination on different
nodes). Code configurating devstack for these L2 agents has been moved
into separate files so it can be shared between ml2 and the existing
monolithic plugins.

To use ml2 in devstack, set Q_PLUGIN=ml2 in localrc. By default it
will use the openvswitch L2 agent. To use ml2 with the linuxbridge
agent, also set Q_AGENT=linuxbridge in localrc. The local, flat, and
vlan network types are supported with either agent. Support for
openvswitch's gre network type is not yet implemented in ml2.

Note that ml2 does not yet return a useful value for binding:vif_type,
so nova's GenricVIFDriver cannot currently be used. If using the
linuxbridge agent, work around this by setting
NOVA_VIF_DRIVER=nova.virt.libvirt.vif.LinuxBridgeVIFDriver in localrc.

Implements: blueprint modular-l2
Change-Id: Ib3ed039d25295cf1ab268536cec408af8cd3795a
2013-06-06 23:26:00 -04:00

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# 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