Kyle Mestery b772659f9d Update the ML2 configuration in devstack
This commit adds support to devstack to set ML2 options including
MechanismDrivers, TypeDrivers, and TypeDriver specific configuration for ML2
when running with devstack.

This also allows for simple configuration of VLAN, GRE, and VXLAN ML2 devstack
setups with the OVS agent as follows:

    # VLAN configuration
    Q_PLUGIN=ml2
    ENABLE_TENANT_VLANS=True

    # GRE tunnel configuration
    Q_PLUGIN=ml2
    ENABLE_TENANT_TUNNELS=True

    # VXLAN tunnel configuration
    Q_PLUGIN=ml2
    Q_ML2_TENANT_NETWORK_TYPE=vxlan

Fixes bug 1200767

Change-Id: Ib16efac13440b5d50658a0e6be35bc735510a262
2013-07-30 01:24:42 +00:00

114 lines
4.5 KiB
Plaintext

# 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=${Q_PLUGIN_MECHANISM_DRIVERS:-}
# List of Type Drivers to load
Q_ML2_PLUGIN_TYPE_DRIVERS=${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 ${I/=/ }
done
}
function neutron_plugin_configure_common() {
Q_PLUGIN_CONF_PATH=etc/neutron/plugins/ml2
Q_PLUGIN_CONF_FILENAME=ml2_conf.ini
Q_DB_NAME="neutron_ml2"
Q_PLUGIN_CLASS="neutron.plugins.ml2.plugin.Ml2Plugin"
}
function neutron_plugin_configure_service() {
if [[ "$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 $HOST_IP
populate_ml2_config type_drivers=$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