devstack/lib/neutron_plugins/ovs_base
Dean Troyer e3a9160c0d Fix Neutron plugin XTRACE handling
The various Neutron plugin files need to have unique variables for the
xtrace state as they are sometimes nested more than two levels deep
and MY_XTRACE is getting stomped.  This gives each of the neutron_plugin
and neutron_thirdparty include files a unique XTRACE state variable.

I don't think this is a problem with any of the other plugin include
files (yet) so this just handles Neutron for now.

Change-Id: I7c272a48e7974edecaff5f431ff7443dd6622588
2014-03-28 12:40:59 -05:00

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# common functions for ovs based plugin
# -------------------------------------
# Save trace setting
OVSB_XTRACE=$(set +o | grep xtrace)
set +o xtrace
OVS_BRIDGE=${OVS_BRIDGE:-br-int}
PUBLIC_BRIDGE=${PUBLIC_BRIDGE:-br-ex}
function is_neutron_ovs_base_plugin {
# Yes, we use OVS.
return 0
}
function _neutron_ovs_base_setup_bridge {
local bridge=$1
neutron-ovs-cleanup
sudo ovs-vsctl --no-wait -- --may-exist add-br $bridge
sudo ovs-vsctl --no-wait br-set-external-id $bridge bridge-id $bridge
}
function neutron_ovs_base_cleanup {
# remove all OVS ports that look like Neutron created ports
for port in $(sudo ovs-vsctl list port | grep -o -e tap[0-9a-f\-]* -e q[rg]-[0-9a-f\-]*); do
sudo ovs-vsctl del-port ${port}
done
# remove all OVS bridges created by Neutron
for bridge in $(sudo ovs-vsctl list-br | grep -o -e ${OVS_BRIDGE} -e ${PUBLIC_BRIDGE}); do
sudo ovs-vsctl del-br ${bridge}
done
}
function _neutron_ovs_base_install_agent_packages {
local kernel_version
# Install deps
# FIXME add to ``files/apts/neutron``, but don't install if not needed!
if is_ubuntu; then
kernel_version=`cat /proc/version | cut -d " " -f3`
install_package make fakeroot dkms openvswitch-switch openvswitch-datapath-dkms linux-headers-$kernel_version
elif is_fedora; then
install_package openvswitch
# Ensure that the service is started
restart_service openvswitch
elif is_suse; then
install_package openvswitch
restart_service openvswitch-switch
restart_service openvswitch-controller
fi
}
function _neutron_ovs_base_configure_debug_command {
iniset $NEUTRON_TEST_CONFIG_FILE DEFAULT external_network_bridge $PUBLIC_BRIDGE
}
function _neutron_ovs_base_configure_firewall_driver {
if [[ "$Q_USE_SECGROUP" == "True" ]]; then
iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
else
iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver neutron.agent.firewall.NoopFirewallDriver
fi
}
function _neutron_ovs_base_configure_l3_agent {
iniset $Q_L3_CONF_FILE DEFAULT external_network_bridge $PUBLIC_BRIDGE
neutron-ovs-cleanup
sudo ovs-vsctl --no-wait -- --may-exist add-br $PUBLIC_BRIDGE
sudo ovs-vsctl --no-wait br-set-external-id $PUBLIC_BRIDGE bridge-id $PUBLIC_BRIDGE
# ensure no IP is configured on the public bridge
sudo ip addr flush dev $PUBLIC_BRIDGE
}
function _neutron_ovs_base_configure_nova_vif_driver {
:
}
# Restore xtrace
$OVSB_XTRACE