devstack/lib/neutron_plugins/ml2

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#!/bin/bash
#
# Neutron Modular Layer 2 plugin
# ------------------------------
# Save trace setting
_XTRACE_NEUTRON_ML2=$(set +o | grep xtrace)
set +o xtrace
# Enable this to simply and quickly enable tunneling with ML2.
# Select either 'gre', 'vxlan', or 'gre,vxlan'
Q_ML2_TENANT_NETWORK_TYPE=${Q_ML2_TENANT_NETWORK_TYPE:-"vxlan"}
# This has to be set here since the agent will set this in the config file
if [[ "$Q_ML2_TENANT_NETWORK_TYPE" == "gre" || "$Q_ML2_TENANT_NETWORK_TYPE" == "vxlan" ]]; then
Q_TUNNEL_TYPES=$Q_ML2_TENANT_NETWORK_TYPE
elif [[ "$ENABLE_TENANT_TUNNELS" == "True" ]]; then
Q_TUNNEL_TYPES=gre
fi
# Default openvswitch L2 agent
Q_AGENT=${Q_AGENT:-openvswitch}
if [ -f $TOP_DIR/lib/neutron_plugins/${Q_AGENT}_agent ]; then
source $TOP_DIR/lib/neutron_plugins/${Q_AGENT}_agent
fi
# List of MechanismDrivers to load
Q_ML2_PLUGIN_MECHANISM_DRIVERS=${Q_ML2_PLUGIN_MECHANISM_DRIVERS:-openvswitch,linuxbridge}
# Default GRE TypeDriver options
Q_ML2_PLUGIN_GRE_TYPE_OPTIONS=${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=$TENANT_TUNNEL_RANGES}
# Default VLAN TypeDriver options
Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS=${Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS:-}
# Default GENEVE TypeDriver options
Q_ML2_PLUGIN_GENEVE_TYPE_OPTIONS=${Q_ML2_PLUGIN_GENEVE_TYPE_OPTIONS:-vni_ranges=$TENANT_TUNNEL_RANGES}
# List of extension drivers to load, use '-' instead of ':-' to allow people to
# explicitly override this to blank
if [[ "$NEUTRON_PORT_SECURITY" = "True" ]]; then
Q_ML2_PLUGIN_EXT_DRIVERS=${Q_ML2_PLUGIN_EXT_DRIVERS-port_security}
else
Q_ML2_PLUGIN_EXT_DRIVERS=${Q_ML2_PLUGIN_EXT_DRIVERS:-}
fi
# L3 Plugin to load for ML2
# For some flat network environment, they not want to extend L3 plugin.
# Make sure it is able to set empty to ML2_L3_PLUGIN.
ML2_L3_PLUGIN=${ML2_L3_PLUGIN-router}
function populate_ml2_config {
CONF=$1
SECTION=$2
OPTS=$3
if [ -z "$OPTS" ]; then
return
fi
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_PLUGIN_CLASS="ml2"
# The ML2 plugin delegates L3 routing/NAT functionality to
# the L3 service plugin which must therefore be specified.
_neutron_service_plugin_class_add $ML2_L3_PLUGIN
}
function neutron_plugin_configure_service {
if [[ "$Q_ML2_TENANT_NETWORK_TYPE" != "local" ]]; 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=$ML2_VLAN_RANGES)
fi
fi
# Allow for setup the flat type network
if [[ -z "$Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS" ]]; then
if [[ -n "$PHYSICAL_NETWORK" || -n "$PUBLIC_PHYSICAL_NETWORK" ]]; then
Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS="flat_networks="
if [[ -n "$PHYSICAL_NETWORK" ]]; then
Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS+="${PHYSICAL_NETWORK},"
fi
if [[ -n "$PUBLIC_PHYSICAL_NETWORK" ]] && [[ "${PHYSICAL_NETWORK}" != "$PUBLIC_PHYSICAL_NETWORK" ]]; then
Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS+="${PUBLIC_PHYSICAL_NETWORK},"
fi
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 /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver neutron.agent.firewall.NoopFirewallDriver
fi
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2 mechanism_drivers=$Q_ML2_PLUGIN_MECHANISM_DRIVERS
if [[ -n "$Q_ML2_PLUGIN_TYPE_DRIVERS" ]]; then
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2 type_drivers=$Q_ML2_PLUGIN_TYPE_DRIVERS
fi
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2 extension_drivers=$Q_ML2_PLUGIN_EXT_DRIVERS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2 $Q_SRV_EXTRA_OPTS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_gre $Q_ML2_PLUGIN_GRE_TYPE_OPTIONS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_vxlan $Q_ML2_PLUGIN_VXLAN_TYPE_OPTIONS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_flat $Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_vlan $Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS
populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_geneve $Q_ML2_PLUGIN_GENEVE_TYPE_OPTIONS
if [[ "$Q_DVR_MODE" != "legacy" ]]; then
populate_ml2_config /$Q_PLUGIN_CONF_FILE agent l2_population=True
populate_ml2_config /$Q_PLUGIN_CONF_FILE agent tunnel_types=vxlan
populate_ml2_config /$Q_PLUGIN_CONF_FILE agent enable_distributed_routing=True
populate_ml2_config /$Q_PLUGIN_CONF_FILE agent arp_responder=True
fi
}
function has_neutron_plugin_security_group {
return 0
}
# Restore xtrace
$_XTRACE_NEUTRON_ML2