devstack/lib/neutron_plugins/ml2

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# Neutron Modular Layer 2 plugin
# ------------------------------
# Save trace setting
MY_XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Enable this to simply and quickly enable tunneling with ML2.
# Select either 'gre', 'vxlan', or '(gre vxlan)'
Q_ML2_TENANT_NETWORK_TYPE=${Q_ML2_TENANT_NETWORK_TYPE:-}
# This has to be set here since the agent will set this in the config file
if [[ "$Q_ML2_TENANT_NETWORK_TYPE" != "" ]]; then
Q_AGENT_EXTRA_AGENT_OPTS+=(tunnel_types=$Q_ML2_TENANT_NETWORK_TYPE)
elif [[ "$ENABLE_TENANT_TUNNELS" = "True" ]]; then
Q_AGENT_EXTRA_AGENT_OPTS+=(tunnel_types=gre)
fi
# Default openvswitch L2 agent
Q_AGENT=${Q_AGENT:-openvswitch}
source $TOP_DIR/lib/neutron_plugins/${Q_AGENT}_agent
# List of MechanismDrivers to load
Q_ML2_PLUGIN_MECHANISM_DRIVERS=${Q_ML2_PLUGIN_MECHANISM_DRIVERS:-openvswitch,linuxbridge}
# List of Type Drivers to load
Q_ML2_PLUGIN_TYPE_DRIVERS=${Q_ML2_PLUGIN_TYPE_DRIVERS:-local,flat,vlan,gre,vxlan}
# Default GRE TypeDriver options
Q_ML2_PLUGIN_GRE_TYPE_OPTIONS=${Q_ML2_PLUGIN_GRE_TYPE_OPTIONS:-tunnel_id_ranges=$TENANT_TUNNEL_RANGES}
# Default VXLAN TypeDriver options
Q_ML2_PLUGIN_VXLAN_TYPE_OPTIONS=${Q_ML2_PLUGIN_VXLAN_TYPE_OPTIONS:-vni_ranges=1001:2000}
# Default VLAN TypeDriver options
Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS=${Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS:-}
function populate_ml2_config() {
OPTS=$1
CONF=$2
SECTION=$3
for I in "${OPTS[@]}"; do
# Replace the first '=' with ' ' for iniset syntax
iniset $CONF $SECTION ${I/=/ }
done
}
function neutron_plugin_configure_common() {
Q_PLUGIN_CONF_PATH=etc/neutron/plugins/ml2
Q_PLUGIN_CONF_FILENAME=ml2_conf.ini
Q_DB_NAME="neutron_ml2"
Q_PLUGIN_CLASS="neutron.plugins.ml2.plugin.Ml2Plugin"
# The ML2 plugin delegates L3 routing/NAT functionality to
# the L3 service plugin which must therefore be specified.
Q_L3_PLUGIN_CLASS=${Q_L3_PLUGIN_CLASS:-"neutron.services.l3_router.l3_router_plugin.L3RouterPlugin"}
if ini_has_option $NEUTRON_CONF DEFAULT service_plugins ; then
srv_plugins=$(iniget $NEUTRON_CONF DEFAULT service_plugins)","$Q_L3_PLUGIN_CLASS
else
srv_plugins=$Q_L3_PLUGIN_CLASS
fi
iniset $NEUTRON_CONF DEFAULT service_plugins $srv_plugins
}
function neutron_plugin_configure_service() {
if [[ "$Q_ML2_TENANT_NETWORK_TYPE" != "" ]]; then
Q_SRV_EXTRA_OPTS+=(tenant_network_types=$Q_ML2_TENANT_NETWORK_TYPE)
elif [[ "$ENABLE_TENANT_TUNNELS" = "True" ]]; then
# This assumes you want a simple configuration, and will overwrite
# Q_SRV_EXTRA_OPTS if set in addition to ENABLE_TENANT_TUNNELS.
Q_SRV_EXTRA_OPTS+=(tenant_network_types=gre)
Q_ML2_PLUGIN_GRE_TYPE_OPTIONS=(tunnel_id_ranges=$TENANT_TUNNEL_RANGES)
elif [[ "$ENABLE_TENANT_VLANS" = "True" ]]; then
Q_SRV_EXTRA_OPTS+=(tenant_network_types=vlan)
else
echo "WARNING - The ml2 plugin is using local tenant networks, with no connectivity between hosts."
fi
# Allow for overrding VLAN configuration (for example, to configure provider
# VLANs) by first checking if Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS is set.
if [ "$Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS" == "" ]; then
if [[ "$ML2_VLAN_RANGES" = "" ]] && [[ "$PHYSICAL_NETWORK" != "" ]]; then
ML2_VLAN_RANGES=$PHYSICAL_NETWORK
if [[ "$TENANT_VLAN_RANGE" != "" ]]; then
ML2_VLAN_RANGES=$ML2_VLAN_RANGES:$TENANT_VLAN_RANGE
fi
fi
if [[ "$ML2_VLAN_RANGES" != "" ]]; then
Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS=(network_vlan_ranges=$ML2_VLAN_RANGES)
fi
fi
# REVISIT(rkukura): Setting firewall_driver here for
# neutron.agent.securitygroups_rpc.is_firewall_enabled() which is
# used in the server, in case no L2 agent is configured on the
# server's node. If an L2 agent is configured, this will get
# overridden with the correct driver. The ml2 plugin should
# instead use its own config variable to indicate whether security
# groups is enabled, and that will need to be set here instead.
if [[ "$Q_USE_SECGROUP" == "True" ]]; then
iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver neutron.agent.not.a.real.FirewallDriver
else
iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver neutron.agent.firewall.NoopFirewallDriver
fi
# Since we enable the tunnel TypeDrivers, also enable a local_ip
iniset /$Q_PLUGIN_CONF_FILE ovs local_ip $HOST_IP
populate_ml2_config mechanism_drivers=$Q_ML2_PLUGIN_MECHANISM_DRIVERS /$Q_PLUGIN_CONF_FILE ml2
populate_ml2_config type_drivers=$Q_ML2_PLUGIN_TYPE_DRIVERS /$Q_PLUGIN_CONF_FILE ml2
populate_ml2_config $Q_SRV_EXTRA_OPTS /$Q_PLUGIN_CONF_FILE ml2
populate_ml2_config $Q_ML2_PLUGIN_GRE_TYPE_OPTIONS /$Q_PLUGIN_CONF_FILE ml2_type_gre
populate_ml2_config $Q_ML2_PLUGIN_VXLAN_TYPE_OPTIONS /$Q_PLUGIN_CONF_FILE ml2_type_vxlan
if [ "$Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS" != "" ]; then
populate_ml2_config $Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS /$Q_PLUGIN_CONF_FILE ml2_type_vlan
fi
}
function has_neutron_plugin_security_group() {
return 0
}
# Restore xtrace
$MY_XTRACE