openstack/devstack
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Fixes for Linux Bridge in the L3 agent

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Prior to this patch, the logic for configuring the interface used for
the L3 agent was OVS specific. This patch introduces code to correctly
identify the brq device that is used for the L3 agent when using the
Linux Bridge mechanism driver.

Change-Id: I1a36cad0fb790aaa37417a1176576293e4f2c87f
Co-Authored-By: Jens Rosenboom <j.rosenboom@x-ion.de>
This commit is contained in:
Sean M. Collins 2015-06-17 17:33:02 -04:00
parent 442e4e9625
commit 71947d5fd0
1 changed files with 11 additions and 1 deletions
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12
lib/neutron-legacy
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@ -1267,9 +1267,19 @@ function _neutron_configure_router_v4 {
# This logic is specific to using the l3-agent for layer 3
if is_service_enabled q-l3; then
# Configure and enable public bridge
local ext_gw_interface="none"
if is_neutron_ovs_base_plugin && [[ "$Q_USE_NAMESPACE" = "True" ]]; then
local ext_gw_interface=$(_neutron_get_ext_gw_interface)
ext_gw_interface=$(_neutron_get_ext_gw_interface)
elif [[ "$Q_AGENT" = "linuxbridge" ]]; then
# Search for the brq device the neutron router and network for $FIXED_RANGE
# will be using.
# e.x. brq3592e767-da for NET_ID 3592e767-da66-4bcb-9bec-cdb03cd96102
ext_gw_interface=brq${EXT_NET_ID:0:11}
fi
if [[ "$ext_gw_interface" != "none" ]]; then
local cidr_len=${FLOATING_RANGE#*/}
local testcmd="ip -o link | grep -q $ext_gw_interface"
test_with_retry "$testcmd" "$ext_gw_interface creation failed"
if [[ $(ip addr show dev $ext_gw_interface | grep -c $ext_gw_ip) == 0 && ( $Q_USE_PROVIDERNET_FOR_PUBLIC == "False" || $Q_USE_PUBLIC_VETH == "True" ) ]]; then
sudo ip addr add $ext_gw_ip/$cidr_len dev $ext_gw_interface
sudo ip link set $ext_gw_interface up